gcc/c-family/ChangeLog

   1 2020-03-02  Marek Polacek  <polacek@redhat.com>
   2
   3         PR c++/93958 - add missing -std=gnu++20.
   4         * c.opt: Add -std=gnu++20.
   5
   6 2020-03-01  Martin Sebor  <msebor@redhat.com>
   7
   8         PR c++/92721
   9         * c-attribs.c (append_access_attrs): Correctly handle attribute.
  10         (handle_access_attribute): Same.
  11
  12 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
  13
  14         PR c/93858
  15         * c-pragma.c (handle_pragma_diagnostic): Add missing ? after
  16         "did you mean" hint in diagnostics.
  17
  18 2020-02-15  Jason Merrill  <jason@redhat.com>
  19
  20         * c.opt: Add -std=c++20.
  21
  22 2020-02-14  Eric Botcazou  <ebotcazou@adacore.com>
  23
  24         * c-ada-spec.c: Include bitmap.h.
  25         (dump_ada_double_name): Rename into...
  26         (dump_anonymous_type_name): ...this.  Always use the TYPE_UID.
  27         (dump_ada_array_type): Adjust to above renaming.  Robustify.
  28         (dump_nested_types_1): New function copied from...  Add dumped_types
  29         parameter and pass it down to dump_nested_type.
  30         (dump_nested_types): ...this.  Remove parent parameter.  Just call
  31         dump_nested_types_1 on an automatic bitmap.
  32         (dump_nested_type): Add dumped_types parameter.
  33         <ARRAY_TYPE>: Do not dump it if already present in dumped_types.
  34         Adjust recursive calls and adjust to above renaming.
  35         (dump_ada_declaration): Adjust call to dump_nested_types.
  36         Tidy up and adjust to above renaming.
  37         (dump_ada_specs): Initialize and release bitmap obstack.
  38
  39 2020-02-10  Martin Sebor  <msebor@redhat.com>
  40
  41         PR c/93640
  42         * c-attribs.c (handle_access_attribute): Correct off-by-one mistakes.
  43
  44 2020-02-10  Jakub Jelinek  <jakub@redhat.com>
  45
  46         PR other/93641
  47         * c-format.c (check_plain): Fix up last argument of strncasecmp.
  48         Remove useless extra test.
  49
  50 2020-02-03  Julian Brown  <julian@codesourcery.com>
  51             Tobias Burnus  <tobias@codesourcery.com>
  52
  53         * c-cppbuiltin.c (c_cpp_builtins): Update _OPENACC define to 201711.
  54
  55 2020-01-29  Jason Merrill  <jason@redhat.com>
  56
  57         PR c++/89357
  58         * c-attribs.c (check_cxx_fundamental_alignment_constraints): Remove.
  59
  60 2020-01-23  Jason Merrill  <jason@redhat.com>
  61
  62         * c-warn.c (conversion_warning): Change -Wsign-conversion handling.
  63
  64 2020-01-23  Martin Sebor  <msebor@redhat.com>
  65
  66         PR c/84919
  67         * c-common.c (check_function_arguments): Avoid overlap checking
  68         of sprintf functions.
  69
  70 2020-01-22  Jason Merrill  <jason@redhat.com>
  71
  72         PR testsuite/93391 - PR 40752 test fails with unsigned plain char.
  73         PR c++/40752
  74         * c-warn.c (conversion_warning): Check operands only after checking
  75         the whole expression.  Don't check second operand of + for sign.
  76
  77 2020-01-21  Jason Merrill  <jason@redhat.com>
  78             Manuel López-Ibáñez  <manu@gcc.gnu.org>
  79
  80         PR c++/40752 - useless -Wconversion with short +=.
  81         * c.opt (-Warith-conversion): New.
  82         * c-warn.c (conversion_warning): Recurse for operands of
  83         operators.  Only warn about the whole expression with
  84         -Warith-conversion.
  85
  86 2020-01-21  Jason Merrill  <jason@redhat.com>
  87
  88         * c-common.c (unsafe_conversion_p): Don't warn, return UNSAFE_SIGN.
  89         * c-warn.c (conversion_warning): Warn about UNSAFE_SIGN.
  90
  91 2020-01-20  Nathan Sidwell  <nathan@acm.org>
  92
  93         PR preprocessor/80005
  94         * c-cppbuiltins.c (c_cpp_builtins): Don't define __has_include{,_next}.
  95
  96 2020-01-18  Iain Sandoe  <iain@sandoe.co.uk>
  97
  98         * c-common.c (co_await, co_yield, co_return): New.
  99         * c-common.h (RID_CO_AWAIT, RID_CO_YIELD,
 100         RID_CO_RETURN): New enumeration values.
 101         (D_CXX_COROUTINES): Bit to identify coroutines are active.
 102         (D_CXX_COROUTINES_FLAGS): Guard for coroutine keywords.
 103         * c-cppbuiltin.c (__cpp_coroutines): New cpp define.
 104         * c.opt (fcoroutines): New command-line switch.
 105
 106 2020-01-10  David Malcolm  <dmalcolm@redhat.com>
 107
 108         * c-format.c (local_event_ptr_node): New.
 109         (PP_FORMAT_CHAR_TABLE): Add entry for "%@".
 110         (init_dynamic_diag_info): Initialize local_event_ptr_node.
 111         * c-format.h (T_EVENT_PTR): New define.
 112
 113 2020-01-10  Martin Sebor  <msebor@redhat.com>
 114
 115         PR c/93132
 116         * c-attribs.c (append_access_attrs): Validate against the translated
 117         access string rather than the human-readable representation.
 118
 119 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 120
 121         Update copyright years.
 122
 123 2019-12-20  Eric Botcazou  <ebotcazou@adacore.com>
 124
 125         * c-ada-spec.h (decl_sloc): Delete.
 126         * c-ada-spec.c (decl_sloc): Make static.
 127
 128 2019-12-19  Julian Brown  <julian@codesourcery.com>
 129
 130         * c-common.h (c_omp_map_clause_name): Add prototype.
 131         * c-omp.c (c_omp_map_clause_name): New function.
 132         * c-pragma.h (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_ATTACH and
 133         PRAGMA_OACC_CLAUSE_DETACH.
 134
 135 2019-12-19  Julian Brown  <julian@codesourcery.com>
 136             Maciej W. Rozycki  <macro@codesourcery.com>
 137             Tobias Burnus  <tobias@codesourcery.com>
 138             Thomas Schwinge  <thomas@codesourcery.com>
 139
 140         * c-pragma.h (pragma_omp_clause): Add
 141         PRAGMA_OACC_CLAUSE_NO_CREATE.
 142
 143 2019-12-17  Martin Sebor  <msebor@redhat.com>
 144
 145         PR c++/61339
 146         * c.opt (-Wmismatched-tags, -Wredundant-tags): New options.
 147
 148 2019-12-11  David Malcolm  <dmalcolm@redhat.com>
 149
 150         * c-pretty-print.c (c_pretty_printer::clone): New vfunc
 151         implementation.
 152         * c-pretty-print.h (c_pretty_printer::clone): New vfunc decl.
 153
 154 2019-12-09  David Malcolm  <dmalcolm@redhat.com>
 155
 156         * c-format.c (range_label_for_format_type_mismatch::get_text):
 157         Replace label_text ctor called with true with label_text::take.
 158
 159 2019-12-09  David Malcolm  <dmalcolm@redhat.com>
 160
 161         * c-format.c (selftest::test_type_mismatch_range_labels): Remove
 162         initial newline from expected outputs.
 163         * c-opts.c (c_diagnostic_finalizer): Add pp_newline call before
 164         call to diagnostic_show_locus.
 165
 166 2019-12-06  Jakub Jelinek  <jakub@redhat.com>
 167
 168         * c-cppbuiltin.c (c_cpp_builtins): Don't define __cpp_consteval for
 169         now.
 170
 171 2019-12-05  Marek Polacek  <polacek@redhat.com>
 172             Jakub Jelinek  <jakub@redhat.com>
 173
 174         PR c++/91353 - P1331R2: Allow trivial default init in constexpr contexts.
 175         * c-cppbuiltin.c (c_cpp_builtins): Adjust the value of __cpp_constexpr.
 176
 177 2019-12-05  Marek Polacek  <polacek@redhat.com>
 178
 179         PR c++/92271 - make __is_same alias for __is_same_as.
 180         * c-common.c: Add __is_same, an alias for __is_same_as.
 181
 182 2019-12-03  Marek Polacek  <polacek@redhat.com>
 183
 184         PR c++/91363 - P0960R3: Parenthesized initialization of aggregates.
 185         * c-cppbuiltin.c (c_cpp_builtins): Predefine
 186         __cpp_aggregate_paren_init=201902 for -std=c++2a.
 187
 188 2019-11-30  Jan Hubicka  <hubicka@ucw.cz>
 189
 190         * c-attribs.c (handle_symver_attribute): New function
 191         (c_common_attributes): Add symver.
 192
 193 2019-11-30  Richard Sandiford  <richard.sandiford@arm.com>
 194
 195         * c-common.c (pointer_int_sum): Use verify_type_context to check
 196         whether the target allows pointer arithmetic for the types involved.
 197         (c_sizeof_or_alignof_type, c_alignof_expr): Use verify_type_context
 198         to check whether the target allows sizeof and alignof operations
 199         for the types involved.
 200
 201 2019-11-27  Jason Merrill  <jason@redhat.com>
 202
 203         * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides.
 204
 205 2019-11-26  Jakub Jelinek  <jakub@redhat.com>
 206
 207         PR c++/61414
 208         * c-attribs.c (handle_mode_attribute): Add mode attribute to
 209         ENUMERAL_TYPEs.
 210
 211 2019-11-25  Joseph Myers  <joseph@codesourcery.com>
 212
 213         PR c/91985
 214         * c-common.c (c_common_type_for_mode): Handle decimal
 215         floating-point types being NULL_TREE.
 216         * c-format.c (get_format_for_type_1): Handle specified types being
 217         NULL_TREE.
 218         * c-lex.c (interpret_float): Give an error for decimal
 219         floating-point constants when decimal floating-point not
 220         supported.
 221
 222 2019-11-23  Jakub Jelinek  <jakub@redhat.com>
 223
 224         PR middle-end/83859
 225         * c-attribs.c (append_access_attrs): Avoid buffer overflow.  Avoid
 226         memory leak.  Use XNEWVEC macro.  Use auto_diagnostic_group to
 227         group warning with inform together.
 228         (handle_access_attribute): Formatting fix.
 229
 230 2019-11-22  Jakub Jelinek  <jakub@redhat.com>
 231
 232         PR c/90677
 233         * c-common.h (identifier_global_tag): Declare.
 234         * c-format.c (get_pointer_to_named_type): Renamed to ...
 235         (get_named_type): ... this.  Use identifier_global_tag instead of
 236         identifier_global_value, handle the return value being a TYPE_P.
 237         (init_dynamic_diag_info): Adjust get_pointer_to_named_type callers
 238         to call get_named_type instead.  Formatting fixes.
 239
 240         Implement P1902R1, Missing feature-test macros 2017-2019.
 241         * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_init_captures
 242         and __cpp_generic_lambdas for -std=c++2a.  Define
 243         __cpp_designated_initializers, __cpp_constexpr_in_decltype and
 244         __cpp_consteval for -std=c++2a.  Remove a FIXME comment about
 245         __cpp_concepts for -std=c++2a.
 246
 247 2019-11-22  Martin Sebor  <msebor@redhat.com>
 248
 249         PR middle-end/83859
 250         * c-attribs.c (handle_access_attribute): New function.
 251         (c_common_attribute_table): Add new attribute.
 252         (get_argument_type): New function.
 253         (append_access_attrs): New function.
 254         (get_nonnull_operand): Rename...
 255         (get_attribute_operand): ...to this.
 256         * c-common.c (get_nonnull_operand): Rename...
 257         (get_attribute_operand): ...to this.
 258
 259 2019-11-21  Joseph Myers  <joseph@codesourcery.com>
 260
 261         * c-attribs.c (handle_fallthrough_attribute): Use pedwarn instead
 262         of warning.
 263
 264 2019-11-19  Joseph Myers  <joseph@codesourcery.com>
 265
 266         * c-common.c (attribute_fallthrough_p): In C, use pedwarn not
 267         warning for standard attributes mixed with fallthrough attributes.
 268
 269 2019-11-15  Joseph Myers  <joseph@codesourcery.com>
 270
 271         * c-attribs.c (handle_fallthrough_attribute): Remove static.
 272         * c-common.h (handle_fallthrough_attribute): Declare.
 273
 274 2019-11-15  Joseph Myers  <joseph@codesourcery.com>
 275
 276         * c-attribs.c (handle_deprecated_attribute): Remove static.
 277         * c-common.h (handle_deprecated_attribute): Declare.
 278
 279 2019-11-14  Joseph Myers  <joseph@codesourcery.com>
 280
 281         * c-lex.c (lex_charconst): Make CPP_UTF8CHAR constants unsigned
 282         char for C.
 283
 284 2019-11-14  Jakub Jelinek  <jakub@redhat.com>
 285
 286         * c-omp.c (c_omp_check_context_selector): Add nvidia to the list of
 287         valid vendors.
 288
 289         * c-omp.c (c_omp_check_context_selector): Handle name lists
 290         containing string literals.  Don't diagnose atomic_default_mem_order
 291         with multiple props.
 292
 293 2019-11-13  Joseph Myers  <joseph@codesourcery.com>
 294
 295         * c-cppbuiltin.c (builtin_define_float_constants): Also define
 296         NORM_MAX constants.  Update call to get_max_float.
 297         (LAZY_HEX_FP_VALUES_CNT): Update value to include NORM_MAX
 298         constants.
 299
 300 2019-11-13  Eric Botcazou  <ebotcazou@adacore.com>
 301
 302         * c-ada-spec.c (get_underlying_decl): Do not look through typedefs.
 303         (dump_forward_type): Do not generate a declaration for function types.
 304         (dump_nested_type) <ARRAY_TYPE>: Do not generate a nested declaration
 305         of the component type if it is declared in another file.
 306
 307 2019-11-12  Martin Liska  <mliska@suse.cz>
 308
 309         * c-opts.c (c_common_post_options):
 310         Use SET_OPTION_IF_UNSET.
 311
 312 2019-11-12  Maciej W. Rozycki  <macro@codesourcery.com>
 313             Frederik Harwath  <frederik@codesourcery.com>
 314
 315         gcc/c-family/
 316         * c-pragma.h (pragma_kind): Add PRAGMA_OACC_SERIAL enumeration
 317         constant.
 318         * c-pragma.c (oacc_pragmas): Add "serial" entry.
 319
 320 2019-11-08  Richard Sandiford  <richard.sandiford@arm.com>
 321
 322         * c-common.h (gnu_vector_type_p): New function.
 323         * c-common.c (c_build_vec_perm_expr): Require __builtin_shuffle
 324         vectors to satisfy gnu_vector_type_p.
 325         (c_build_vec_convert): Likewise __builtin_convertvector.
 326         (convert_vector_to_array_for_subscript): Likewise when applying
 327         implicit vector to array conversion.
 328         (scalar_to_vector): Likewise when converting vector-scalar
 329         operations to vector-vector operations.
 330
 331 2019-11-08  Joseph Myers  <joseph@codesourcery.com>
 332
 333         * c.opt (Wold-style-definition): Initialize to -1.
 334         * c-opts.c (c_common_post_options): Set warn_old_style_definition
 335         to flag_isoc2x if not set explicitly.
 336
 337 2019-11-07  Joseph Myers  <joseph@codesourcery.com>
 338
 339         * c-attribs.c (parse_tm_stmt_attr): Handle scoped attributes.
 340
 341 2019-11-05  Jason Merrill  <jason@redhat.com>
 342
 343         * c-opts.c (c_common_post_options): -fconcepts-ts implies
 344         -fconcepts.
 345
 346 2019-11-04  Kamlesh Kumar  <kamleshbhalui@gmail.com>
 347
 348         * c-opts.c (c_common_post_options): Update
 349         latest_abi_version.
 350
 351 2019-11-02  Jakub Jelinek  <jakub@redhat.com>
 352
 353         * c-common.h (c_omp_get_context_selector): Remove.
 354         * c-omp.c (c_omp_get_context_selector): Moved to omp-general.c
 355         and renamed to omp_get_context_selector.
 356
 357         * c-omp.c (c_omp_mark_declare_variant): Use
 358         omp_context_selector_set_compare.
 359
 360         PR c++/88335 - Implement P1073R3: Immediate functions
 361         * c-common.h (enum rid): Add RID_CONSTEVAL.
 362         * c-common.c (c_common_reswords): Add consteval.
 363
 364 2019-11-01  Martin Sebor  <msebor@redhat.com>
 365
 366         PR middle-end/91679
 367         PR middle-end/91647
 368         PR middle-end/91463
 369         PR middle-end/92312
 370         * c-pretty-print.c (direct_abstract_declarator): Print
 371         bound in zero-length arrays.
 372         * c.opt (-Wzero-length-bounds): New option.
 373
 374 2019-10-30  Nathan Sidwell  <nathan@acm.org>
 375
 376         * c-cppbuiltin.c (c_cpp_builtins): Add 'L' suffix to feature
 377         macros.
 378
 379 2019-10-28  Martin Sebor  <msebor@redhat.com>
 380
 381         PR c/66970
 382         * c-common.c (c_common_nodes_and_builtins): Call c_define_builtins
 383         even when only preprocessing.
 384         * c-common.h (names_builtin_p): Declare new function.
 385         * c-lex.c (init_c_lex): Set has_builtin.
 386         (c_common_has_builtin): Define a new function.
 387         * c-ppoutput.c (init_pp_output): Set has_builtin.
 388
 389 2019-10-24  Jakub Jelinek  <jakub@redhat.com>
 390
 391         * c-common.h (c_omp_context_selector_matches): Remove.
 392         * c-omp.c (c_omp_context_selector_matches): Remove.
 393         * c-attribs.c (c_common_attribute_table): Add
 394         "omp declare target {host,nohost,block}" attributes.
 395
 396 2019-10-17  JeanHeyd Meneide  <phdofthehouse@gmail.com>
 397
 398         * c-lex.c (c_common_has_attribute): Update nodiscard value.
 399
 400 2019-10-14  Richard Sandiford  <richard.sandiford@arm.com>
 401
 402         * c-common.h (user_facing_original_type_p): Declare.
 403         * c-common.c: Include c-spellcheck.h.
 404         (user_facing_original_type_p): New function.
 405
 406 2019-10-12  Jakub Jelinek  <jakub@redhat.com>
 407
 408         * c-common.h (c_omp_mark_declare_variant,
 409         c_omp_context_selector_matches): Declare.
 410         * c-omp.c: Include attribs.h, gimplify.h, cgraph.h, symbol-summary.h
 411         and hsa-common.h.
 412         (c_omp_get_context_selector): Support second argument NULL.
 413         (c_omp_mark_declare_variant, c_omp_context_selector_matches): New
 414         functions.
 415         * c-attribs.c (c_common_attribute_table): Remove "omp declare variant"
 416         attribute, add "omp declare variant base" and
 417         "omp declare variant variant" attributes.
 418
 419 2019-10-11  Joseph Myers  <joseph@codesourcery.com>
 420
 421         * c.opt (Wc11-c2x-compat): Add CPP(cpp_warn_c11_c2x_compat)
 422         CppReason(CPP_W_C11_C2X_COMPAT).
 423
 424 2019-10-11  Joseph Myers  <joseph@codesourcery.com>
 425
 426         * c-common.c (c_common_reswords): Do not use D_EXT for _Decimal32,
 427         _Decimal64 and _Decimal128.
 428
 429 2019-10-10  Joseph Myers  <joseph@codesourcery.com>
 430
 431         * c-cppbuiltin.c (c_cpp_builtins): Do not define macros for DFP
 432         types if DFP not supported.
 433
 434 2019-10-10  Jakub Jelinek  <jakub@redhat.com>
 435
 436         * c-common.h (c_omp_check_context_selector,
 437         c_omp_get_context_selector): Declare.
 438         * c-omp.c (c_omp_declare_simd_clauses_to_numbers): Fix spelling
 439         in diagnostic message.
 440         (c_omp_check_context_selector, c_omp_get_context_selector): New
 441         functions.
 442         * c-attribs.c (c_common_attribute_table): Add "omp declare variant"
 443         attribute.
 444         (handle_omp_declare_variant_attribute): New function.
 445
 446 2019-10-09  Martin Sebor  <msebor@redhat.com>
 447
 448         PR tree-optimization/90879
 449         * c.opt (-Wstring-compare): New option.
 450
 451 2019-10-08  Andrew Sutton  <asutton@lock3software.com>
 452             Jason Merrill  <jason@redhat.com>
 453
 454         Update the concepts implementation to conform to the C++20
 455         specification, improve compile times, and generally clean up
 456         the implementation.
 457
 458         * c-cppbuiltin.c (c_cpp_builtins): Use new feature test values for
 459         concepts when -std=c++2a. Bump __cpp_concepts to 201907.
 460         * c.opt: Add -Wconcepts-ts.
 461         * c-opts.c (c_common_post_options): Warn when -fconcepts is used
 462         with -std=c++2a. Disable warning for -fconcepts in C++20 mode.
 463         (set_std_cxx2a): Enable concepts by default.
 464
 465 2019-10-08  Joseph Myers  <joseph@codesourcery.com>
 466
 467         * c-opts.c (c_common_post_options): Set
 468         -fno-fp-int-builtin-inexact for C2X.
 469
 470 2019-10-05  Jakub Jelinek  <jakub@redhat.com>
 471
 472         PR c++/91369 - Implement P0784R7: constexpr new
 473         * c-cppbuiltin.c (c_cpp_builtins): Predefine
 474         __cpp_constexpr_dynamic_alloc=201907 for -std=c++2a.
 475
 476 2019-10-04  Joseph Myers  <joseph@codesourcery.com>
 477
 478         PR c/82752
 479         * c-format.c (C_STD_VER): Handle C2x.
 480         (C_STD_NAME): Likewise.
 481         (strftime_flag_specs): Add 'O' modifier with 'p' flag.
 482         (time_char_table): Use separate entry for 'B' and 'b', with 'O'
 483         modifier allowed and 'p' flag.
 484         * c-format.h (enum format_std_version): Add STD_C2X.
 485         (struct format_char_info): Mention 'p' in comment on flags2.
 486
 487 2019-10-01  David Malcolm  <dmalcolm@redhat.com>
 488
 489         * c-opts.c (c_diagnostic_finalizer): Temporarily clear prefix when
 490         calling diagnostic_show_locus, rather than destroying it afterwards.
 491
 492 2019-10-01  Jakub Jelinek  <jakub@redhat.com>
 493
 494         PR c++/91925
 495         * c-warn.c (check_alignment_of_packed_member): Ignore FIELD_DECLs
 496         with NULL DECL_FIELD_OFFSET.
 497
 498 2019-10-01  Richard Sandiford  <richard.sandiford@arm.com>
 499
 500         * c-pretty-print.c (pp_c_specifier_qualifier_list): If a vector type
 501         has a type name, use it in preference to the __vector syntax.
 502
 503 2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>
 504
 505         * c-pretty-print.c (pp_c_parameter_type_list): Avoid printing
 506         two spaces between a comma and "...".
 507
 508 2019-09-27  Jakub Jelinek  <jakub@redhat.com>
 509
 510         PR c++/88203
 511         * c-common.h (c_omp_predefined_variable): Declare.
 512         * c-omp.c (c_omp_predefined_variable): New function.
 513         (c_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED
 514         for predefined variables.
 515
 516 2019-09-27  Richard Sandiford  <richard.sandiford@arm.com>
 517
 518         * c-common.h (build_function_call_vec): Take the original
 519         function decl as an optional final parameter.
 520         (check_builtin_function_arguments): Take the original function decl.
 521         * c-common.c (check_builtin_function_arguments): Likewise.
 522         Handle all built-in functions, not just BUILT_IN_NORMAL ones.
 523         Use targetm.check_builtin_call to check BUILT_IN_MD functions.
 524
 525 2019-09-15  Jason Merrill  <jason@redhat.com>
 526
 527         * c-warn.c (warn_logical_operator): Strip location wrappers.  Don't
 528         fold_for_warn in "|| mask" warning.
 529
 530 2019-09-10  Martin Liska  <mliska@suse.cz>
 531
 532         * c.opt: Use newly added WarnRemoved.
 533
 534 2019-09-09  Martin Liska  <mliska@suse.cz>
 535
 536         * c.opt: Update comment of removed
 537         options that are preserved only for backward
 538         compatibility.
 539
 540 2019-09-06  Martin Liska  <mliska@suse.cz>
 541
 542         PR c++/91125
 543         * c-common.c: Remove definition of flag_use_repository.
 544         * c-common.h: Likewise.
 545         * c-opts.c (c_common_handle_option):
 546         Do not handle OPT_frepo option.
 547         * c.opt: Mark the option with Deprecated.
 548
 549 2019-09-04  Marek Polacek  <polacek@redhat.com>
 550
 551         * c.opt (fdeduce-init-list): Ignored.
 552
 553 2019-09-04  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 554
 555         PR c/78736
 556         * c.opt (Wenum-conversion): New option.
 557
 558 2019-09-03  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 559
 560         * c-attribs.c (handle_section_attribute): Call the
 561         handle_generic_attribute target hook after performing target
 562         independent processing.
 563         (handle_noinit_attribute): Likewise.
 564
 565 2019-09-03  Ian Lance Taylor  <iant@golang.org>
 566
 567         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Always expand
 568         when using -fgo-dump-spec.
 569
 570 2019-09-02  Martin Liska  <mliska@suse.cz>
 571
 572         PR c++/91155
 573         * c-common.c (fname_as_string): Use cxx_printable_name for
 574         __PRETTY_FUNCTION__ same as was used before r265711.
 575
 576 2019-08-28  Marek Polacek  <polacek@redhat.com>
 577
 578         Implement P1152R4: Deprecating some uses of volatile.
 579         PR c++/91361
 580         * c-opts.c (c_common_post_options): Enable -Wvolatile by
 581         default for C++2a, unless -Wno-deprecated.
 582         * c.opt (Wvolatile): New warning.
 583
 584 2019-08-28  Marek Polacek  <polacek@redhat.com>
 585
 586         PR c++/91360 - Implement C++20 P1143R2: constinit.
 587         * c-common.c (c_common_reswords): Add constinit and __constinit.
 588         (keyword_is_decl_specifier): Handle RID_CONSTINIT.
 589         * c-common.h (enum rid): Add RID_CONSTINIT, RID_FIRST_CXX20, and
 590         RID_LAST_CXX20.
 591         (D_CXX20): Define.
 592         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_constinit.
 593         * c-format.c (cxx_keywords): Add "constinit".
 594         * c.opt (Wc++2a-compat, Wc++20-compat): New options.
 595
 596 2019-08-27  Jakub Jelinek  <jakub@redhat.com>
 597
 598         PR c++/91415
 599         * c-common.c (verify_tree): For LSHIFT_EXPR, RSHIFT_EXPR,
 600         COMPONENT_REF and ARRAY_REF in cxx_dialect >= cxx17 mode handle it
 601         like COMPOUND_EXPR rather than normal expression.
 602
 603 2019-08-23  Iain Sandoe  <iain@sandoe.co.uk>
 604
 605         PR pch/61250
 606         * c-lex.c (c_lex_with_flags):  Don't call
 607         c_common_no_more_pch () from here.
 608
 609 2019-08-23  Jakub Jelinek  <jakub@redhat.com>
 610
 611         PR middle-end/91283
 612         * c-common.c (c_ts18661_flt_eval_method): Use flag_excess_precision
 613         instead of flag_excess_precision_cmdline.
 614         * c-cppbuiltin.c (c_cpp_flt_eval_method_iec_559): Likewise.
 615         * c-opts.c (c_common_post_options): Likewise.
 616
 617 2019-08-22  Martin Sebor  <msebor@redhat.com>
 618
 619         PR middle-end/91490
 620         * c-common.c (braced_list_to_string): Add argument and overload.
 621         Handle flexible length arrays and unions.
 622
 623 2019-08-21  Eric Botcazou  <ebotcazou@adacore.com>
 624
 625         * c-ada-spec.c (dump_ada_function_declaration): Be prepared for broken
 626         function declarations where arguments are missing.  Rename variables.
 627
 628 2019-08-15  Richard Biener  <rguenther@suse.de>
 629
 630         * c-common.c (c_stddef_cpp_builtins): When the GIMPLE FE is
 631         enabled, define __SIZETYPE__.
 632
 633 2019-08-14  Christophe Lyon  <christophe.lyon@linaro.org>
 634
 635         * c-attribs.c (c_common_attribute_table): Add "noinit" entry. Add
 636         exclusion with "section" attribute.
 637         (attr_noinit_exclusions): New table.
 638         (handle_noinit_attribute): New function.
 639
 640 2019-08-13  Richard Sandiford  <richard.sandiford@arm.com>
 641
 642         PR middle-end/91421
 643         * c-common.c (resolve_overloaded_builtin): Use
 644         copy_decl_built_in_function.
 645
 646 2019-08-13  Martin Sebor  <msebor@redhat.com>
 647
 648         PR c/80619
 649         * c-format.c (printf_length_specs): Set FMT_LEN_w for "w".
 650         (asm_fprintf_length_spec): Same.
 651         * c-format.h (format_lengths): Add FMT_LEN_w.
 652
 653 2019-08-10  Jakub Jelinek  <jakub@redhat.com>
 654
 655         * c-pragma.h (enum pragma_omp_clause): Add
 656         PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
 657
 658 2019-08-07  Jakub Jelinek  <jakub@redhat.com>
 659
 660         * c-pragma.h (enum pragma_omp_clause): Add
 661         PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR.  Set PRAGMA_OACC_CLAUSE_USE_DEVICE
 662         equal to PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR instead of being a separate
 663         enumeration value.
 664
 665 2019-08-05  Marek Polacek  <polacek@redhat.com>
 666
 667         PR c++/91338 - Implement P1161R3: Deprecate a[b,c].
 668         * c-opts.c (c_common_post_options): Enable -Wcomma-subscript by
 669         default for C++2a, unless -Wno-deprecated.
 670         * c.opt (Wcomma-subscript): New warning.
 671
 672 2019-07-20  Jakub Jelinek  <jakub@redhat.com>
 673
 674         * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_LOOP.
 675         (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_BIND.
 676         * c-pragma.c (omp_pragmas_simd): Add PRAGMA_OMP_LOOP entry.
 677         * c-common.h (enum c_omp_clause_split): Add C_OMP_CLAUSE_SPLIT_LOOP.
 678         * c-omp.c (c_omp_split_clauses): Add support for 4 new combined
 679         constructs with the loop construct.
 680
 681 2019-07-13  Jakub Jelinek  <jakub@redhat.com>
 682
 683         PR c/91149
 684         * c-omp.c (c_omp_split_clauses): Fix a pasto in
 685         OMP_CLAUSE_REDUCTION_TASK handling.
 686
 687 2019-07-12  Jakub Jelinek  <jakub@redhat.com>
 688
 689         * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ORDER.
 690         * c-omp.c (c_omp_split_clauses): Handle splitting of OMP_CLAUSE_ORDER.
 691
 692 2019-07-09  Martin Sebor  <msebor@redhat.com>
 693
 694         PR c++/61339
 695         * c-opts.c (handle_deferred_opts): Change class-key of PODs to struct
 696         and others to class.
 697         * c-pretty-print.h: Same.
 698
 699 2019-07-09  Martin Sebor  <msebor@redhat.com>
 700
 701         PR c++/61339
 702         * c-format.c (check_argument_type): Change class-key from class to
 703         struct and vice versa to match convention and avoid -Wclass-is-pod
 704         and -Wstruct-no-pod.
 705         * c-pretty-print.h: Same.
 706
 707 2019-07-03  Martin Liska  <mliska@suse.cz>
 708
 709         * c-common.c (try_to_locate_new_include_insertion_point): Remove
 710         dead assignemts.
 711
 712 2019-07-03  Jakub Jelinek  <jakub@redhat.com>
 713
 714         * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_REDUCTION_INSCAN
 715         clauses on OMP_FOR rather than OMP_PARALLEL when OMP_FOR is combined
 716         with OMP_PARALLEL.
 717
 718 2019-07-02  qing zhao  <qing.zhao@oracle.com>
 719
 720         PR preprocessor/90581
 721         * c-opts.c (c_common_handle_option): Handle -fmax-include-depth.
 722         * c.opt: Add new option -fmax-include-depth.
 723
 724 2019-06-26  Jason Merrill  <jason@redhat.com>
 725
 726         PR c++/55442 - memory-hog with highly recursive constexpr.
 727         * c.opt (fconstexpr-loop-limit): New.
 728
 729 2019-06-25  Jakub Jelinek  <jakub@redhat.com>
 730
 731         PR sanitizer/90954
 732         * c-omp.c (c_finish_omp_atomic): Allow tree_invariant_p in addition
 733         to SAVE_EXPR in first operand of a COMPOUND_EXPR.
 734
 735 2019-06-25  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 736
 737         * c-common.c (c_common_nodes_and_builtins): Define
 738         alternate "__intN__" name for "__intN" types.
 739
 740 2019-06-24  Jan Hubicka  <jh@suse.cz>
 741
 742         * c-common.c (braced_lists_to_strings): Check that
 743         type is array or integer prior checking string flag.
 744
 745 2019-06-21  Matthew Beliveau  <mbelivea@redhat.com>
 746
 747         PR c++/90875 - added -Wswitch-outside-range option
 748         * c.opt (Wswitch-outside-range): Added new option.
 749         * c-warn.c (c_do_switch_warnings): Use OPT_Wswitch-outside-range.
 750
 751 2019-06-21  Marek Polacek  <polacek@redhat.com>
 752
 753         PR c++/90953 - ICE with -Wmissing-format-attribute.
 754         * c-common.c (check_function_arguments_recurse): Use
 755         get_attribute_name.
 756         (check_missing_format_attribute): Likewise.
 757
 758 2019-06-19  Marek Polacek  <polacek@redhat.com>
 759
 760         PR c++/60364 - noreturn after first decl not diagnosed.
 761         * c-attribs.c (handle_noreturn_attribute): No longer static.
 762         * c-common.h (handle_noreturn_attribute, attr_noreturn_exclusions):
 763         Declare.
 764         * c-format.c (check_function_format): Use get_attribute_name.
 765
 766 2019-06-19  Martin Sebor  <msebor@redhat.com>
 767
 768         PR translation/90156
 769         * c-format.c (function_format_info::format_type): Adjust type.
 770         (function_format_info::is_raw): New member.
 771         (decode_format_type): Adjust signature.  Handle "raw" diag attributes.
 772         (decode_format_attr): Adjust call to decode_format_type.
 773         Avoid a redundant call to convert_format_name_to_system_name.
 774         Avoid abbreviating the word "arguments" in a diagnostic.
 775         (format_warning_substr): New function.
 776         (avoid_dollar_number): Quote dollar sign in a diagnostic.
 777         (finish_dollar_format_checking): Same.
 778         (check_format_info): Same.
 779         (struct baltoks_t): New.
 780         (c_opers, c_keywords, cxx_keywords, badwords, contrs): New arrays.
 781         (maybe_diag_unbalanced_tokens, check_tokens, check_plain): New
 782         functions.
 783         (check_format_info_main): Call check_plain.  Use baltoks_t.  Call
 784         maybe_diag_unbalanced_tokens.
 785         (handle_format_attribute): Spell out the word "arguments" in
 786         a diagnostic.
 787
 788 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 789
 790         PR c++/90449 - add -Winaccessible-base option.
 791         * c.opt (Winaccessible-base): New option.
 792
 793 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 794
 795         * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_SCAN.
 796         * c-pragma.c (omp_pragmas_simd): Add #pragma omp scan.
 797         * c-omp.c (c_omp_split_clauses): Diagnose inscan reductions on
 798         combined/composite constructs where it is not allowed.  Copy over
 799         OMP_CLAUSE_REDUCTION_INSCAN.
 800
 801 2019-06-05  Martin Sebor  <msebor@redhat.com>
 802
 803         * c-attribs.c (handle_mode_attribute): Adjust quoting and hyphenation.
 804         (handle_alias_ifunc_attribute): Same.
 805         (handle_copy_attribute): Same.
 806         (handle_weakref_attribute): Same.
 807         (handle_nonnull_attribute): Same.
 808         * c-warn.c (warn_for_sign_compare): Same.
 809         (warn_for_restrict): Same.
 810         * c.opt: Same.
 811
 812 2019-06-05  Martin Sebor  <msebor@redhat.com>
 813
 814         * c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.
 815         * c.opt (-Wformat-diag): Remove a spurious period.
 816
 817 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 818
 819         PR c/90628
 820         * c-common.c (check_builtin_function_arguments)
 821         <case BUILTIN_*_OVERFLOW>: Diagnose pointer to const qualified integer
 822         as last argument.
 823
 824 2019-05-23  Eric Botcazou  <ebotcazou@adacore.com>
 825
 826         * c-ada-spec.c (compare_node): Compare the DECL_UIDs as a last resort.
 827
 828 2019-05-22  Martin Liska  <mliska@suse.cz>
 829
 830         PR lto/90500
 831         * c-attribs.c (handle_copy_attribute): Do not copy
 832         target_clones attribute.
 833
 834 2019-05-21  Eric Botcazou  <ebotcazou@adacore.com>
 835
 836         * c-ada-spec.h (enum cpp_operation): Add IS_ASSIGNMENT_OPERATOR.
 837         * c-ada-spec.c (print_assignment_operator): New function.
 838         (dump_ada_declaration) <FUNCTION_DECL>: Call it do dump explicit copy
 839         assignment operators declared as methods and filter out the others.
 840
 841 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 842
 843         PR c/89433
 844         * c-attribs.c (c_common_attribute_table): Set min_len to -1 for
 845         "omp declare target".
 846
 847 2019-05-16  Martin Sebor  <msebor@redhat.com>
 848
 849         * c-attribs.c (handle_no_sanitize_attribute): Quote identifiers,
 850         keywords, operators, and types in diagnostics.
 851         (handle_scalar_storage_order_attribute): Same.
 852         (handle_mode_attribute): Same.
 853         (handle_visibility_attribute): Same.
 854         (handle_assume_aligned_attribute): Same.
 855         (handle_no_split_stack_attribute): Same.
 856         * c-common.c (shorten_compare): Same.
 857         (c_common_truthvalue_conversion): Same.
 858         (cb_get_source_date_epoch): Same.
 859         * c-lex.c (cb_def_pragma): Quote keywords, operators, and types
 860         in diagnostics.
 861         (interpret_float): Same.
 862         * c-omp.c (c_finish_omp_for): Same.
 863         * c-opts.c (c_common_post_options): Same.
 864         * c-pch.c (c_common_pch_pragma): Same.
 865         * c-pragma.c (pop_alignment): Same.
 866         (handle_pragma_pack): Same.
 867         (apply_pragma_weak): Same.
 868         (handle_pragma_weak): Same.
 869         (handle_pragma_scalar_storage_order): Same.
 870         (handle_pragma_redefine_extname): Same.
 871         (add_to_renaming_pragma_list): Same.
 872         (maybe_apply_renaming_pragma): Same.
 873         (push_visibility): Same.
 874         (handle_pragma_visibility): Same.
 875         (handle_pragma_optimize): Same.
 876         (handle_pragma_message): Same.
 877         * c-warn.c (warn_for_omitted_condop): Same.
 878         (lvalue_error): Same.
 879
 880 2019-05-15  Richard Biener  <rguenther@suse.de>
 881
 882         PR c/90474
 883         * c-common.c (c_common_mark_addressable_vec): Also mark
 884         a COMPOUND_LITERAL_EXPR_DECL addressable similar to
 885         c_mark_addressable.
 886
 887 2019-05-06  Nathan Sidwell  <nathan@acm.org>
 888
 889         * c-opts.c (handle_defered_opts): Rename struct deps to struc mkdeps.
 890
 891 2019-04-30  Nathan Sidwell  <nathan@acm.org>
 892
 893         * c-common.c (c_common_init_ts): Use MARK_TS_EXP.  Mark SIZEOF_EXPR.
 894
 895 2019-04-30  Martin Liska  <mliska@suse.cz>
 896
 897         * c-pragma.c (handle_pragma_diagnostic): Provide hints
 898         for unknown options.
 899
 900 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
 901
 902         * c-warn.c (strict_aliasing_warning): Apply COMPLETE_TYPE_P to
 903         the pointer target rather than the pointer itself.
 904
 905 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
 906
 907         PR c/89888
 908         * c-common.h (c_add_case_label): Remove orig_type and outside_range_p
 909         arguments.
 910         (c_do_switch_warnings): Remove outside_range_p argument.
 911         * c-common.c (check_case_bounds): Removed.
 912         (c_add_case_label): Remove orig_type and outside_range_p arguments.
 913         Don't call check_case_bounds.  Fold low_value as well as high_value.
 914         * c-warn.c (c_do_switch_warnings): Remove outside_range_p argument.
 915         Check for case labels outside of range of original type here and
 916         adjust them.
 917
 918 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
 919
 920         PR translation/90041
 921         * c.opt (-fhandle-exceptions): Use %< and %> around option names
 922         in the Warn diagnostics.
 923
 924         PR c/89946
 925         * c-attribs.c (handle_patchable_function_entry_attribute): Add
 926         function comment.  Warn if arguments of the attribute are not positive
 927         integer constants.
 928
 929 2019-04-09  Eric Botcazou  <ebotcazou@adacore.com>
 930
 931         * c-ada-spec.c (print_destructor): Deal with deleting destructors.
 932         (dump_ada_declaration) <FUNCTION_DECL>: Likewise.
 933
 934 2019-04-07  Eric Botcazou  <ebotcazou@adacore.com>
 935
 936         * c-ada-spec.c (is_float128): New predicate extracted from...
 937         (dump_ada_node) <COMPLEX_TYPE>: Use it to recognize __cfloat128.
 938         <REAL_TYPE>: ...here.  Call it.
 939
 940 2019-04-05  David Malcolm  <dmalcolm@redhat.com>
 941
 942         PR c/89985
 943         * c-warn.c (check_address_or_pointer_of_packed_member): Add
 944         auto_diagnostic_group.  Guard inform calls by result of
 945         warning_at call.
 946
 947 2019-04-05  Marek Polacek  <polacek@redhat.com>
 948
 949         PR c++/89973 - -Waddress-of-packed-member ICE with invalid conversion.
 950         * c-warn.c (check_address_or_pointer_of_packed_member): Check the type
 951         of RHS.
 952
 953 2019-04-03  Jason Merrill  <jason@redhat.com>
 954
 955         PR c++/86586 - -fcompare-debug=-Wsign-compare.
 956         * c-warn.c (warn_for_sign_compare): Call fold_for_warn.
 957
 958 2019-04-01  Martin Sebor  <msebor@redhat.com>
 959
 960         PR c/89685
 961         * c-attribs.c (handle_copy_attribute): Handle references and
 962         non-constant expressions.
 963
 964 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
 965
 966         PR c++/87481
 967         * c.opt (-fconstexpr-ops-limit=): New option.
 968
 969 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
 970
 971         * c-common.c (per_file_includes_t): Use false as Lazy in hash_set
 972         template param.
 973
 974 2019-03-19  Martin Sebor  <msebor@redhat.com>
 975
 976         PR tree-optimization/89688
 977         * c-common.c (braced_list_to_string): Make static.
 978         (braced_lists_to_strings): Define new function.
 979         * c-common.h (braced_list_to_string): Remove.
 980         (braced_lists_to_strings): Declare.
 981
 982 2019-03-12  Martin Liska  <mliska@suse.cz>
 983
 984         * c-opts.c (c_common_handle_option): Wrap option with %< and %>.
 985
 986 2019-03-11  Martin Liska  <mliska@suse.cz>
 987
 988         * c-opts.c (c_common_post_options): Wrap apostrophes
 989         in gcc internal format with %'.
 990
 991 2019-03-11  Martin Liska  <mliska@suse.cz>
 992
 993         * c-attribs.c (handle_nocf_check_attribute): Wrap an option name
 994         in a string format message and fix GNU coding style.
 995         * c-common.c (vector_types_convertible_p): Likewise.
 996         (c_build_vec_perm_expr): Likewise.
 997         * c-indentation.c (get_visual_column): Likewise.
 998         * c-opts.c (c_common_handle_option): Likewise.
 999         (c_common_post_options): Likewise.
1000         (sanitize_cpp_opts): Likewise.
1001         * c-pch.c (c_common_pch_pragma): Likewise.
1002         * c-pragma.c (handle_pragma_pack): Likewise.
1003
1004 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1005
1006         PR tree-optimization/89550
1007         * c-common.c (c_common_truthvalue_conversion): Only set
1008         TREE_NO_WARNING if warning_at returned true.
1009         * c-warn.c (overflow_warning, warn_logical_operator): Likewise.
1010
1011 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
1012             Martin Sebor  <msebor@gmail.com>
1013
1014         * c.opt (Wmissing-attributes): Clean up doc string.
1015
1016 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
1017
1018         PR c/89495
1019         * c-format.c (maybe_read_dollar_number): Compute nargnum in
1020         HOST_WIDE_INT type to avoid overflows and change overflow_flag
1021         checking.
1022
1023 2019-02-22  Richard Biener  <rguenther@suse.de>
1024
1025         * c-pch.c (no_checksum): Remove.
1026         (pch_init): Remove assertion that executable_checksum is not
1027         all zero.
1028         (c_common_valid_pch): Likewise.
1029
1030 2019-02-18  Martin Sebor  <msebor@redhat.com>
1031
1032         PR middle-end/89294
1033         * c-common.c (invalid_array_size_error): Handle cst_size_not_constant.
1034
1035 2019-02-16  David Malcolm  <dmalcolm@redhat.com>
1036
1037         PR c++/88680
1038         * c-common.c (shorten_compare): Call fold_for_warn on op0 when
1039         implementing -Wtype-limits.
1040
1041 2019-02-11  Martin Sebor  <msebor@redhat.com>
1042
1043         PR c++/87996
1044         * c-common.c (invalid_array_size_error): New function.
1045         (valid_array_size_p): Call it.  Handle size as well as type.
1046         * c-common.h (valid_constant_size_p): New function.
1047         (enum cst_size_error): New type.
1048
1049 2019-01-31  David Malcolm  <dmalcolm@redhat.com>
1050
1051         PR c/89122
1052         * known-headers.cc (get_stdlib_header_for_name): Add
1053         {FLT|DBL|LDBL}_{MAX|MIN} to "hints" array.
1054
1055 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
1056
1057         PR libstdc++/88170
1058         * c-pretty-print.c (pp_c_enumeration_constant): Print always as
1059         a C cast in pp_c_flag_gnu_v3 mode.
1060
1061 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
1062
1063         PR c/86125
1064         * c-common.c (c_common_nodes_and_builtins): Build type variants for
1065         builtin_structptr_types types even for C.
1066
1067 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1068
1069         * c-warn.c (check_address_or_pointer_of_packed_member): Handle the case
1070         when rhs is of array type correctly.  Fix handling of nested structures.
1071         Fix handling of indirect_ref together with nop_expr and/or addr_expr.
1072         (check_and_warn_address_or_pointer_of_packed_member): Fix handling of
1073         type casts within nested compound expressions.
1074
1075 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
1076
1077         PR middle-end/88968
1078         * c-omp.c (c_finish_omp_atomic): For bitfield atomics, update type
1079         variable after using BIT_FIELD_REF.
1080
1081 2019-01-18  H.J. Lu  <hongjiu.lu@intel.com>
1082
1083         PR c/51628
1084         PR c/88664
1085         * c-common.h (warn_for_address_or_pointer_of_packed_member):
1086         Remove the boolean argument.
1087         * c-warn.c (check_address_of_packed_member): Renamed to ...
1088         (check_address_or_pointer_of_packed_member): This.  Also
1089         warn pointer conversion.
1090         (check_and_warn_address_of_packed_member): Renamed to ...
1091         (check_and_warn_address_or_pointer_of_packed_member): This.
1092         Also warn pointer conversion.
1093         (warn_for_address_or_pointer_of_packed_member): Remove the
1094         boolean argument.  Don't check pointer conversion here.
1095
1096 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
1097
1098         PR inline-asm/52813
1099         * c.opt (Wdeprecated): Move documentation and variable to common.opt.
1100
1101 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
1102
1103         * c-cppbuiltin.c (c_cpp_builtin): Define __cpp_guaranteed_copy_elision
1104         and __cpp_nontype_template_parameter_auto.  Add a comment that
1105         __cpp_template_auto is deprecated.
1106
1107 2019-01-14  Tom Honermann  <tom@honermann.net>
1108
1109         Implement P0482R5, char8_t: A type for UTF-8 characters and strings
1110         * c-common.c (c_common_reswords): Add char8_t.
1111         (fix_string_type): Use char8_t for the type of u8 string literals.
1112         (c_common_get_alias_set): char8_t doesn't alias.
1113         (c_common_nodes_and_builtins): Define char8_t as a builtin type in
1114         C++.
1115         (c_stddef_cpp_builtins): Add __CHAR8_TYPE__.
1116         (keyword_begins_type_specifier): Add RID_CHAR8.
1117         * c-common.h (rid): Add RID_CHAR8.
1118         (c_tree_index): Add CTI_CHAR8_TYPE and CTI_CHAR8_ARRAY_TYPE.
1119         Define D_CXX_CHAR8_T and D_CXX_CHAR8_T_FLAGS.
1120         Define char8_type_node and char8_array_type_node.
1121         * c-cppbuiltin.c (cpp_atomic_builtins): Predefine
1122         __GCC_ATOMIC_CHAR8_T_LOCK_FREE.
1123         (c_cpp_builtins): Predefine __cpp_char8_t.
1124         * c-lex.c (lex_string): Use char8_array_type_node as the type of
1125         CPP_UTF8STRING.
1126         (lex_charconst): Use char8_type_node as the type of CPP_UTF8CHAR.
1127         * c-opts.c: If not otherwise specified, enable -fchar8_t when
1128         targeting C++2a.
1129         * c.opt: Add the -fchar8_t command line option.
1130
1131 2019-01-14  Martin Sebor  <msebor@redhat.com>
1132
1133         PR target/88638
1134         * c-attribs.c (positional_argument): Call valid_format_string_type_p
1135         and issue errors if it fails.
1136         * c-common.h (valid_format_string_type_p): Declare.
1137         * c-format.c (valid_stringptr_type_p): Rename...
1138         (valid_format_string_type_p): ...to this and make extern.
1139         (handle_format_arg_attribute): Adjust to new name.
1140         (check_format_string): Same.
1141
1142 2019-01-13  H.J. Lu  <hongjiu.lu@intel.com>
1143
1144         * c-warn.c (warn_for_address_or_pointer_of_packed_member):
1145         Replace "may may" with "may" in warning message.
1146
1147 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
1148
1149         PR c++/85052
1150         * c-common.h (enum rid): Add RID_BUILTIN_CONVERTVECTOR.
1151         (c_build_vec_convert): Declare.
1152         * c-common.c (c_build_vec_convert): New function.
1153
1154 2019-01-04  Martin Sebor  <msebor@redhat.com>
1155
1156         PR c/88546
1157         * c-attribs.c (handle_copy_attribute): Avoid copying attribute leaf.
1158         Handle C++ empty throw specification and C11 _Noreturn.
1159         (has_attribute): Also handle C11 _Noreturn.
1160
1161 2019-01-04  Martin Sebor  <msebor@redhat.com>
1162
1163         PR c/88363
1164         * c-attribs.c (positional_argument): Also accept enumerated types.
1165
1166 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
1167
1168         Update copyright years.
1169
1170 2018-12-20  H.J. Lu  <hongjiu.lu@intel.com>
1171
1172         PR c/51628
1173         * c-common.h (warn_for_address_or_pointer_of_packed_member): New.
1174         * c-warn.c (check_alignment_of_packed_member): New function.
1175         (check_address_of_packed_member): Likewise.
1176         (check_and_warn_address_of_packed_member): Likewise.
1177         (warn_for_address_or_pointer_of_packed_member): Likewise.
1178         * c.opt: Add -Wno-address-of-packed-member.
1179
1180 2018-12-20  David Malcolm  <dmalcolm@redhat.com>
1181
1182         PR c++/87504
1183         * c-warn.c (get_outermost_macro_expansion): New function.
1184         (spelled_the_same_p): Use it to unwind the macro expansions, and
1185         compare the outermost macro in each nested expansion, rather than
1186         the innermost.
1187
1188 2018-12-19  David Malcolm  <dmalcolm@redhat.com>
1189
1190         PR c++/87504
1191         * c-common.h (warn_tautological_cmp): Convert 1st param from
1192         location_t to const op_location_t &.
1193         * c-warn.c (find_array_ref_with_const_idx_r): Call fold_for_warn
1194         when testing for INTEGER_CST.
1195         (warn_tautological_bitwise_comparison): Convert 1st param from
1196         location_t to const op_location_t &; use it to build a
1197         binary_op_rich_location, and use this.
1198         (spelled_the_same_p): New function.
1199         (warn_tautological_cmp): Convert 1st param from location_t to
1200         const op_location_t &.  Warn for macro expansions if
1201         spelled_the_same_p.  Use binary_op_rich_location.
1202
1203 2018-12-19  David Malcolm  <dmalcolm@redhat.com>
1204
1205         PR c++/43064
1206         PR c++/43486
1207         * c-common.c (unsafe_conversion_p): Fold any location wrapper.
1208         (verify_tree): Handle location wrappers.
1209         (c_common_truthvalue_conversion): Strip any location wrapper.
1210         Handle CONST_DECL.
1211         (fold_offsetof): Strip any location wrapper.
1212         (complete_array_type): Likewise for initial_value.
1213         (convert_vector_to_array_for_subscript): Call fold_for_warn on the
1214         index before checking for INTEGER_CST.
1215         * c-pretty-print.c (c_pretty_printer::primary_expression): Don't
1216         print parentheses around location wrappers.
1217         * c-warn.c (warn_logical_operator): Call fold_for_warn on op_right
1218         before checking for INTEGER_CST.
1219         (warn_tautological_bitwise_comparison): Call
1220         tree_strip_any_location_wrapper on lhs, rhs, and bitop's operand
1221         before checking for INTEGER_CST.
1222         (readonly_error): Strip any location wrapper.
1223         (warn_array_subscript_with_type_char): Strip location wrappers
1224         before checking for INTEGER_CST.  Use the location of the index if
1225         available.
1226
1227 2018-12-06  Jason Merrill  <jason@redhat.com>
1228
1229         PR c++/88136 - -Wdeprecated-copy false positives
1230         * c.opt (Wdeprecated-copy-dtor): New.
1231         (Wdeprecated-copy): Move to -Wextra.
1232
1233 2018-11-29  Martin Sebor  <msebor@redhat.com>
1234
1235         PR c/88172
1236         PR testsuite/88208
1237         * c-attribs.c (common_handle_aligned_attribute): Silently avoid setting
1238         alignments to values less than the target requires.
1239         (has_attribute): For attribute aligned consider both the attribute
1240         and the alignment bits.
1241         * c-common.c (c_init_attributes): Optionally issue a warning for
1242         zero alignment.
1243
1244 2018-11-28  Martin Sebor  <msebor@redhat.com>
1245
1246         PR c/88065
1247         PR c/87297
1248         * c-warn.c (sizeof_pointer_memaccess_warning): Bail if source
1249         or destination is an error.
1250
1251 2018-11-28  Jakub Jelinek  <jakub@redhat.com>
1252
1253         PR c++/88215
1254         * c-ubsan.c: Include langhooks.h.
1255         (ubsan_instrument_division): Change gcc_assert that main variants
1256         of op0 and op1 types are equal to gcc_checking_assert that the
1257         main variants are compatible types.
1258
1259 2018-11-27  Eric Botcazou  <ebotcazou@adacore.com>
1260
1261         * c-ada-spec.c: Include stringpool.h.
1262         (has_static_fields): Return false for incomplete types.
1263         (is_tagged_type): Likewise.
1264         (has_nontrivial_methods): Likewise.
1265         (dump_ada_node) <INTEGER_TYPE>: Deal specifically with __int128.
1266         (struct overloaded_name_hash): New structure.
1267         (struct overloaded_name_hasher): Likewise.
1268         (overloaded_names): New global variable.
1269         (init_overloaded_names): New static function.
1270         (overloaded_name_p): New predicate.
1271         (dump_ada_declaration) <TYPE_DECL>: Tidy up and set TREE_VISITED
1272         on the TYPE_STUB_DECL of the original type of a typedef, if any.
1273         <FUNCTION_DECL>: Bail out for an unsupported overloaded name.
1274         Remove always-true condition and dump forward types.
1275         (dump_ada_specs): Delete overloaded_names.
1276
1277 2018-11-20  Martin Sebor  <msebor@redhat.com>
1278
1279         * c-attribs.c (type_for_vector_size): New function.
1280         (type_valid_for_vector_size): Same.
1281         (handle_vector_size_attribute): Move code to the functions above
1282         and call them.
1283         (validate_attribute, has_attribute): New functions.
1284         * c-common.h (has_attribute): Declare.
1285         (rid): Add RID_HAS_ATTRIBUTE_EXPRESSION.
1286         * c-common.c (c_common_resword): Same.
1287
1288 2018-11-16  Jason Merrill  <jason@redhat.com>
1289
1290         * c-lex.c (c_common_has_attribute): Handle likely/unlikely.
1291         * c-attribs.c (attr_cold_hot_exclusions): Make public.
1292
1293 2018-11-16  Jakub Jelinek  <jakub@redhat.com>
1294
1295         PR middle-end/87854
1296         * c-common.c (fix_string_type): Reject string literals larger than
1297         TYPE_MAX_VALUE (ssizetype) bytes.
1298
1299 2018-11-15  Martin Sebor  <msebor@redhat.com>
1300
1301         PR c++/87541
1302         PR c++/87542
1303         * c-attribs.c (positional_argument): New function.
1304         (handle_alloc_size_attribute): Use it and simplify.
1305         (handle_alloc_align_attribute): Same.
1306         (handle_assume_aligned_attribute): Same.
1307         (handle_nonnull_attribute): Same.
1308         * c-common.c (check_function_arguments): Pass fntype to
1309         check_function_format.
1310         * c-common.h (check_function_format): Add an argument.
1311         (PosArgFlags, positional_argument): Declare new type and function.
1312         * c-format.c (decode_format_attr): Add arguments.
1313         (check_format_string, get_constant): Same.
1314         (convert_format_name_to_system_name): Adjust.
1315
1316 2018-11-15  David Malcolm  <dmalcolm@redhat.com>
1317
1318         PR other/19165
1319         * c-opts.c (c_diagnostic_finalizer): Add diagnostic_t param.
1320
1321 2018-11-14  Jakub Jelinek  <jakub@redhat.com>
1322
1323         P1236R1 - Signed integers are two's complement
1324         * c-warn.c (maybe_warn_shift_overflow): Don't warn for c++2a.
1325         * c-ubsan.c (ubsan_instrument_shift): Make signed shifts
1326         with in-range second operand well defined for -std=c++2a.
1327
1328         PR other/88007
1329         * c-common.c (parse_optimize_options): Allocate option string from
1330         opts_obstack rather than as GC memory.  Move the allocation after
1331         warning for invalid option.
1332
1333 2018-11-13  David Malcolm  <dmalcolm@redhat.com>
1334
1335         * c-common.c (c_get_substring_location): Update for renaming of
1336         get_source_location_for_substring to get_location_within_string.
1337         * c-lex.c: Replace "source_location" with "location_t".
1338         * c-opts.c: Likewise.
1339         * c-ppoutput.c: Likewise.
1340
1341 2018-11-13  Martin Sebor  <msebor@redhat.com>
1342
1343         PR middle-end/81824
1344         * c-attribs.c (handle_copy_attribute): Exclude inlining attributes.
1345         (handle_tls_model_attribute): Improve diagnostics.
1346
1347 2018-11-12  Jason Merrill  <jason@redhat.com>
1348
1349         * c-cppbuiltin.c (c_cpp_builtins): Define
1350         __cpp_impl_destroying_delete.
1351
1352         * c-cppbuiltin.c (c_cpp_builtins): Change __cpp_explicit_bool to
1353         __cpp_conditional_explicit.
1354
1355 2018-11-09  Martin Sebor  <msebor@redhat.com>
1356
1357         PR middle-end/81824
1358         * c-attribs.c (handle_copy_attribute): New function.
1359
1360 2018-11-09  Martin Sebor  <msebor@redhat.com>
1361
1362         PR c/87795
1363         * c-common.c (check_user_alignment): Use MAX_OFILE_ALIGNMENT.
1364
1365 2018-11-08  Jakub Jelinek  <jakub@redhat.com>
1366
1367         * c-common.h (c_finish_omp_taskgroup): Add CLAUSES argument.
1368         (c_finish_omp_atomic): Replace bool SEQ_CST argument with
1369         enum omp_memory_order MEMORY_ORDER.
1370         (c_finish_omp_flush): Add MO argument.
1371         (c_omp_depend_t_p, c_finish_omp_depobj): Declare.
1372         (c_finish_omp_for): Add FINAL_P argument.
1373         * c-omp.c: Include memmodel.h.
1374         (c_finish_omp_taskgroup): Add CLAUSES argument.  Set
1375         OMP_TASKGROUP_CLAUSES to it.
1376         (c_finish_omp_atomic): Replace bool SEQ_CST argument with
1377         enum omp_memory_order MEMORY_ORDER.  Set OMP_ATOMIC_MEMORY_ORDER
1378         instead of OMP_ATOMIC_SEQ_CST.
1379         (c_omp_depend_t_p, c_finish_omp_depobj): New functions.
1380         (c_finish_omp_flush): Add MO argument, if not MEMMODEL_LAST, emit
1381         __atomic_thread_fence call with the given value.
1382         (check_omp_for_incr_expr): Formatting fixes.
1383         (c_finish_omp_for): Add FINAL_P argument.  Allow NE_EXPR
1384         even in OpenMP loops, diagnose if NE_EXPR and incr expression
1385         is not constant expression 1 or -1.  Transform NE_EXPR loops
1386         with iterators pointers to VLA into LT_EXPR or GT_EXPR loops.
1387         (c_omp_check_loop_iv_r): Look for orig decl of C++ range for
1388         loops too.
1389         (c_omp_split_clauses): Add support for combined
1390         #pragma omp parallel master and
1391         #pragma omp {,parallel }master taskloop{, simd} constructs.
1392         Handle OMP_CLAUSE_IN_REDUCTION.  Handle OMP_CLAUSE_REDUCTION_TASK.
1393         Handle OMP_CLAUSE_NONTEMPORAL.  Handle splitting OMP_CLAUSE_IF
1394         also to OMP_SIMD.  Copy OMP_CLAUSE_LASTPRIVATE_CONDITIONAL.
1395         (c_omp_predetermined_sharing): Don't return
1396         OMP_CLAUSE_DEFAULT_SHARED for const qualified decls.
1397         * c-pragma.c (omp_pragmas): Add PRAGMA_OMP_DEPOBJ and
1398         PRAGMA_OMP_REQUIRES.
1399         * c-pragma.h (enum pragma_kind): Likewise.
1400         (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_NONTEMPORAL
1401         and PRAGMA_OMP_CLAUSE_{IN,TASK}_REDUCTION.
1402
1403 2018-11-08  David Malcolm  <dmalcolm@redhat.com>
1404
1405         * c-format.c (gcc_dump_printf_char_table): Add entry for %f.
1406
1407 2018-11-08  David Malcolm  <dmalcolm@redhat.com>
1408
1409         * c-format.c (local_cgraph_node_ptr_node): New variable.
1410         (gcc_dump_printf_char_table): Add entry for %C.
1411         (get_pointer_to_named_type): New function, taken from the handling
1412         code for "gimple *" from...
1413         (init_dynamic_diag_info): ...here.  Add handling for
1414         "cgraph_node *".
1415         * c-format.h (T_CGRAPH_NODE): New.
1416
1417 2018-10-19  Jason Merrill  <jason@redhat.com>
1418
1419         * c-cppbuiltin.c (c_cpp_builtins): Add
1420         __cpp_nontype_template_parameter_class.
1421
1422 2018-10-31  Nathan Sidwell  <nathan@acm.org>
1423
1424         * c-opts.c (c_finish_options): Force command line macro
1425         location.  Refactor to avoid repeating main debug hook.
1426         (push_command_line_include): Clarify comment.
1427
1428         * c-opts.c (c_finish_options): Adjust cpp_force_token_locations call.
1429
1430 2018-10-30  Martin Sebor  <msebor@redhat.com>
1431
1432         PR middle-end/87041
1433         * c-format.c (check_format_types): Avoid diagnosing null pointer
1434         arguments to printf-family of functions.
1435
1436 2018-10-30  Marek Polacek  <polacek@redhat.com>
1437
1438         Implement P0892R2, explicit(bool).
1439         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_explicit_bool.
1440
1441 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
1442
1443         * name-hint.h (name_hint::take_deferred): New member function.
1444
1445 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
1446
1447         PR c++/56856
1448         * c-common.c (check_function_sentinel): Call fold_for_warn on the
1449         argument.
1450         (check_function_restrict): Rename param "argarray" to
1451         "unfolded_argarray", and make a copy named "argarray", calling
1452         fold_for_warn on each argument.
1453         (check_function_arguments): Add note about responsibility for
1454         folding the arguments.
1455
1456 2018-10-17  Joseph Myers  <joseph@codesourcery.com>
1457
1458         * c-common.c (flag_isoc2x): New variable.
1459         * c-common.h (clk_c): Update comment to reference C2X.
1460         (flag_isoc99, flag_isoc11): Update comments to reference future
1461         standard versions in general.
1462         (flag_isoc2x): Declare.
1463         * c-opts.c (set_std_c2x): New function.
1464         (c_common_handle_option): Handle -std=c2x and -std=gnu2x.
1465         (set_std_c89, set_std_c99, set_std_c11, set_std_c17): Set
1466         flag_isoc2x to 0.
1467         * c.opt (Wc11-c2x-compat, std=c2x, std=gnu2x): New options.
1468
1469 2018-10-17  Joseph Myers  <joseph@codesourcery.com>
1470
1471         * c.opt (std=c17, std=c18, std=gnu17, std=gnu18, std=iso9899:2017)
1472         (std=iso9899:2018): Document C17 as published in 2018.
1473
1474 2018-10-12  Christophe Lyon  <christophe.lyon@linaro.org>
1475
1476         PR c++/87364
1477         * c-pretty-print.c (c_pretty_printer::constant): Fix typo.
1478
1479 2018-10-11  Will Wray  <wjwray@gmail.com>
1480
1481         PR c++/87364
1482         * c-pretty-print.h (pp_c_type_cast): Prototype.
1483         (pp_c_integer_constant): Likewise.
1484         * c-pretty-print.c (pp_c_type_cast): No longer static.
1485         (pp_c_integer_constant): Likewise.
1486         (pp_c_enumeration_constant): Fix loop termination when finding
1487         name of constant.  No longer returns a value.  Call
1488         pp_c_integer_constant.
1489         (c_pretty_printer::constant): Update for changes to
1490         pp_c_enumeration_constant.
1491
1492 2018-10-11  Jakub Jelinek  <jakub@redhat.com>
1493
1494         * c-lex.c (c_common_has_attribute): Return 201803 instead of 20180312
1495         for no_unique_address.
1496
1497 2018-10-09  David Malcolm  <dmalcolm@redhat.com>
1498
1499         * c-common.c (c_option_controlling_cpp_error): Rename to...
1500         (c_option_controlling_cpp_diagnostic): ...this, and convert
1501         "reason" from int to enum.
1502         (c_cpp_error): Rename to...
1503         (c_cpp_diagnostic): ...this, converting level and reason to enums.
1504         * c-common.h (c_cpp_error): Rename to...
1505         (c_cpp_diagnostic): ...this, converting level and reason to enums.
1506         * c-opts.c (c_common_init_options): Update for renaming.
1507
1508 2018-10-08  Richard Sandiford  <richard.sandiford@arm.com>
1509
1510         PR c/87286
1511         * c-common.c (vector_types_compatible_elements_p): Use
1512         INTEGRAL_TYPE_P instead of checking only for INTEGER_TYPE.
1513
1514 2018-10-04  Vinay Kumar  <vinay.kumar@blackfigtech.com>
1515
1516         * c-attribs.c (get_priority): Add a warning flag warn_prio_ctor_dtor
1517         to generate constructor destructor priority warning.
1518         * c.opt (-Wprio-ctor-dtor): New option.
1519
1520 2018-10-01  Jason Merrill  <jason@redhat.com>
1521
1522         * c-lex.c (c_common_has_attribute): Add no_unique_address.
1523
1524 2018-10-01  Eric Botcazou  <ebotcazou@adacore.com>
1525
1526         * c-ada-spec.c (get_underlying_decl): Get to the main type variant.
1527         (dump_ada_node): Add const keyword.
1528
1529 2018-09-25  Martin Liska  <mliska@suse.cz>
1530
1531         * c-common.c (c_common_truthvalue_conversion):
1532         Remove Pascal from documentation.
1533
1534 2018-09-21  Eric Botcazou  <ebotcazou@adacore.com>
1535
1536         * c-ada-spec.c: Include diagnostic.h.
1537         (dump_ada_declaration) <RECORD_TYPE>: Issue a warning on packed layout.
1538
1539 2018-09-19  Marek Polacek  <polacek@redhat.com>
1540
1541         * c.opt (Wclass-conversion): New.
1542
1543 2018-09-17  David Malcolm  <dmalcolm@redhat.com>
1544
1545         * c-format.c (range_label_for_format_type_mismatch::get_text):
1546         Update for new param.
1547
1548 2018-09-17  David Malcolm  <dmalcolm@redhat.com>
1549
1550         * c-format.c (format_warning_at_char): Update for introduction of
1551         format_string_diagnostic_t.
1552         (format_type_warning): Likewise.
1553
1554 2018-09-17  Martin Jambor  <mjambor@suse.cz>
1555
1556         PR c/63886
1557         * c.opt (Wabsolute-value): New.
1558
1559 2018-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1560
1561         * c-common.c (complete_flexible_array_elts): New helper function.
1562         * c-common.h (complete_flexible_array_elts): Declare.
1563
1564 2018-09-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1565
1566         * c-common.c (braced_list_to_string): Remove eval parameter.
1567         Add some more checks.  Always create zero-terminated STRING_CST.
1568         * c-common.h (braced_list_to_string): Adjust prototype.
1569
1570 2018-08-27  David Malcolm  <dmalcolm@redhat.com>
1571
1572         PR 87091
1573         * c-common.c (c_cpp_error): Update for conversion of show_caret_p
1574         to a tri-state.
1575         (maybe_suggest_missing_token_insertion): Likewise.
1576         (maybe_add_include_fixit): Add param "override_location".  If set,
1577         and source-printing is enabled, then override the rich_location's
1578         primary location with that of the insertion point for the fix-it
1579         hint, marking it with SHOW_LINES_WITHOUT_RANGE.
1580         * c-common.h (extern void maybe_add_include_fixit): Add bool
1581         param.
1582         * c-format.c (selftest::test_type_mismatch_range_labels): Update
1583         for conversion of show_caret_p to a tri-state.
1584         * c-warn.c (warn_for_restrict): Likewise.
1585         * known-headers.cc
1586         (suggest_missing_header::~suggest_missing_header): Update call to
1587         maybe_add_include_fixit to suggest overriding the location, as it
1588         is for a note.
1589
1590 2018-08-27  Martin Liska  <mliska@suse.cz>
1591
1592         * c-common.c (check_function_restrict): Use new function
1593         fndecl_built_in_p and remove check for FUNCTION_DECL if
1594         possible.
1595         (check_builtin_function_arguments): Likewise.
1596         (reject_gcc_builtin): Likewise.
1597         * c-warn.c (sizeof_pointer_memaccess_warning): Likewise.
1598
1599 2018-08-26  Marek Polacek  <polacek@redhat.com>
1600
1601         PR c++/87029, Implement -Wredundant-move.
1602         * c.opt (Wredundant-move): New option.
1603
1604 2018-08-21  Marek Polacek  <polacek@redhat.com>
1605
1606         PR c++/86981, Implement -Wpessimizing-move.
1607         * c.opt (Wpessimizing-move): New option.
1608
1609 2018-08-20  David Malcolm  <dmalcolm@redhat.com>
1610
1611         PR other/84889
1612         * c-attribs.c (common_handle_aligned_attribute): Add
1613         auto_diagnostic_group instance.
1614         * c-indentation.c (warn_for_misleading_indentation): Likewise.
1615         * c-opts.c (c_common_post_options): Likewise.
1616         * c-warn.c (warn_logical_not_parentheses): Likewise.
1617         (warn_duplicated_cond_add_or_warn): Likewise.
1618         (warn_for_multistatement_macros): Likewise.
1619
1620 2018-08-20  Nathan Sidwell  <nathan@acm.org>
1621
1622         * c-ada-spec.c (macro_length, dump_ada_macros): Adjust macro parm
1623         access.
1624
1625 2018-08-17  Nathan Sidwell  <nathan@acm.org>
1626
1627         * c-cppbuiltin.c (struct lazy_hex_fp_value_struct): Remove macro
1628         field.
1629         (laxy_hex_fp_value_count): Make unsigned.
1630         (lazy_hex_fp_value): Provided with macro & lazy number.  Directly
1631         manipulate the macro.
1632         (builtin_defin_with_hex_fp_value): Adjust callback name, use
1633         cpp_define_lazily.
1634
1635 2018-08-17  David Malcolm  <dmalcolm@redhat.com>
1636
1637         * c-format.c (enum format_type): Add gcc_dump_printf_format_type.
1638         (gcc_dump_printf_length_specs): New.
1639         (gcc_dump_printf_flag_pairs): New.
1640         (gcc_dump_printf_flag_specs): New.
1641         (gcc_dump_printf_char_table): New.
1642         (format_types_orig): Add entry for "gcc_dump_printf".
1643         (init_dynamic_diag_info): Set up length_char_specs and
1644         conversion_specs for gcc_dump_printf_format_type.
1645         (handle_format_attribute): Handle gcc_dump_printf_format_type.
1646
1647 2018-08-17  Nathan Sidwell  <nathan@acm.org>
1648
1649         * c-ada-spec.c (macro_length, dump_ada_macros): Constify.
1650
1651         * c-ada-spec.c: Don't #include "cpp-id-data.h"
1652         * c-cppbuiltin.c: Likewise.
1653
1654 2018-08-17  Martin Liska  <mliska@suse.cz>
1655
1656         * c.opt: Remove Warn, Init and Report for options with
1657         Ignore/Deprecated flag. Warning is done automatically for
1658         Deprecated flags.
1659
1660 2018-08-16  David Malcolm  <dmalcolm@redhat.com>
1661
1662         PR c++/70693
1663         * c-common.c (selftest::c_family_tests): Call
1664         selftest::c_indentation_c_tests.
1665         * c-common.h (selftest::c_indentation_c_tests): New decl.
1666         * c-indentation.c: Include "selftest.h".
1667         (next_tab_stop): Add "tab_width" param, rather than accessing
1668         cpp_opts.
1669         (get_visual_column): Likewise.  Clarify comment.  Bulletproof
1670         against reading past the end of the line.
1671         (get_first_nws_vis_column): Add "tab_width" param.
1672         (detect_intervening_unindent): Likewise.
1673         (should_warn_for_misleading_indentation): Read tab width from
1674         cpp_opts and pass around.
1675         (selftest::test_next_tab_stop): New test.
1676         (selftest::assert_get_visual_column_succeeds): New function.
1677         (ASSERT_GET_VISUAL_COLUMN_SUCCEEDS): New macro.
1678         (selftest::assert_get_visual_column_fails): New function.
1679         (ASSERT_GET_VISUAL_COLUMN_FAILS): New macro.
1680         (selftest::test_get_visual_column): New test.
1681         (selftest::c_indentation_c_tests): New function.
1682
1683 2018-08-16  Nathan Sidwell  <nathan@acm.org>
1684
1685         * c-ada-spec.c (count_ada_macro): Use cpp_user_macro_p.
1686         (store_ada_macro): Likewise.
1687         * c-ppoutput.c (cb_used_define, dump_macro): Likewise.
1688         * c-spellcheck.cc (should-suggest_as_macro_p): Likewise,
1689
1690 2018-08-15  David Malcolm  <dmalcolm@redhat.com>
1691
1692         * c-format.c: Include "selftest-diagnostic.h" and
1693         "gcc-rich-location.h".
1694         (format_warning_at_char): Pass NULL for new label params of
1695         format_warning_va.
1696         (class indirection_suffix): New class.
1697         (class range_label_for_format_type_mismatch): New class.
1698         (format_type_warning): Move logic for generating "*" suffix to
1699         class indirection_suffix.  Create "fmt_label" and "param_label"
1700         to show their types, and pass them to the
1701         format_warning_at_substring calls.
1702         (selftest::test_type_mismatch_range_labels): New test.
1703         (selftest::c_format_c_tests): Call it.
1704
1705 2018-08-13  Martin Sebor  <msebor@redhat.com>
1706
1707         PR tree-optimization/71625
1708         * c-common.c (braced_list_to_string): New function.
1709         * c-common.h (braced_list_to_string): Declare it.
1710
1711 2018-08-08  Nathan Sidwell  <nathan@acm.org>
1712
1713         * c-common.c (try_to_locate_new_include_inertion_point): Use
1714         linemap_included_from_linemap.
1715         * c-lex.c (fe_file_change): Use linemap_included_from.
1716         * c-ppoutput.c (pp_file_change): Likewise.
1717
1718 2018-08-01  Martin Sebor  <msebor@redhat.com>
1719
1720         PR tree-optimization/86650
1721         * c-format.c (gcc_tdiag_char_table): Update comment for "%G".
1722         (gcc_cdiag_char_table, gcc_cxxdiag_char_table): Same.
1723         (init_dynamic_diag_info): Update from "gcall *" to "gimple *".
1724         * c-format.h (T89_G): Update to be "gimple *" rather than
1725         "gcall *".
1726         (local_gcall_ptr_node): Rename...
1727         (local_gimple_ptr_node): ...to this.
1728
1729 2018-07-31  David Malcolm  <dmalcolm@redhat.com>
1730
1731         * c-format.c (PP_FORMAT_CHAR_TABLE): New macro, based on existing
1732         table entries for gcc_diag_char_table, and the 'Z' entry from
1733         gcc_tdiag_char_table, changing the "chain" entry for 'Z' from
1734         &gcc_tdiag_char_table[0] to &gcc_diag_char_table[0].
1735         (gcc_diag_char_table): Use PP_FORMAT_CHAR_TABLE, implicitly
1736         adding missing "Z" for this table.  Remove erroneous "G" and "K"
1737         entries.
1738         (gcc_tdiag_char_table): Use PP_FORMAT_CHAR_TABLE.  Remove "v".
1739         (gcc_cdiag_char_table): Use PP_FORMAT_CHAR_TABLE.
1740         (gcc_cxxdiag_char_table): Use PP_FORMAT_CHAR_TABLE.  Remove "v".
1741
1742 2018-07-31  Richard Earnshaw  <rearnsha@arm.com>
1743
1744         * c-common.c (speculation_safe_resolve_call): New function.
1745         (speculation_safe_resolve_params): New function.
1746         (speculation_safe_resolve_return): New function.
1747         (resolve_overloaded_builtin): Handle __builtin_speculation_safe_value.
1748         * c-cppbuiltin.c (c_cpp_builtins): Add pre-define for
1749         __HAVE_SPECULATION_SAFE_VALUE.
1750
1751 2018-07-20  David Malcolm  <dmalcolm@redhat.com>
1752
1753         * c-common.c (c_cpp_error): Remove redundant "line_table"
1754         parameter from call to rich_location::set_range.
1755         (maybe_suggest_missing_token_insertion): Likewise.
1756
1757 2018-07-20  Martin Sebor  <msebor@redhat.com>
1758
1759         PR middle-end/82063
1760         * c.opt (-Warray-bounds): Remove redundant -Wall.
1761
1762 2018-07-20  Martin Sebor  <msebor@redhat.com>
1763
1764         PR middle-end/82063
1765         * c-common.h (c_common_handle_option): Change function argument
1766         to HOST_WIDE_INT.
1767         * c-opts.c (c_common_init_options): Same.
1768         (c_common_handle_option): Same.  Remove special handling of
1769         OPT_Walloca_larger_than_ and OPT_Wvla_larger_than_.
1770         * c.opt (-Walloc-size-larger-than, -Walloca-larger-than): Change
1771         options to take a HOST_WIDE_INT argument and accept a byte-size
1772         suffix.  Initialize.
1773         (-Wvla-larger-than): Same.
1774         (-Wno-alloc-size-larger-than, -Wno-alloca-larger-than): New.
1775         (-Wno-vla-larger-than): Same.
1776
1777 2018-07-12  Jakub Jelinek  <jakub@redhat.com>
1778
1779         * c-attribs.c (c_common_attribute_table): Add
1780         "omp declare target implicit" attribute.
1781
1782 2018-07-12  Richard Biener  <rguenther@suse.de>
1783
1784         PR c/86453
1785         * c-attribs.c (handle_packed_attribute): Do not build a variant
1786         type with TYPE_PACKED, instead ignore the attribute if we may
1787         not apply to the original type.
1788
1789 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR c++/86443
1792         * c-omp.c (c_omp_check_loop_iv_r, c_omp_check_loop_iv): Allow declv
1793         to contain TREE_LIST for both the original class iterator and the
1794         "last" helper var.
1795
1796 2018-07-07  Eric Botcazou  <ebotcazou@adacore.com>
1797
1798         * c-ada-spec.c (to_ada_name): Remove index parameter.
1799         (pp_ada_tree_identifier): Likewise.
1800         (dump_ada_macros): Adjust call to to_ada_name.
1801         (struct overloaded_name_hash): Delete.
1802         (struct overloaded_name_hasher): Likewise.
1803         (overloaded_names): Likewise.
1804         (compute_overloading_index): Likewise.
1805         (dump_ada_decl_name): Do not call compute_overloading_index and
1806         adjust calls to pp_ada_tree_identifier.
1807         (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier.
1808         (dump_ada_import): Add spc parameter and switch to aspect syntax.
1809         (dump_ada_function_declaration): Adjust call to pp_ada_tree_identifier.
1810         (dump_ada_enum_type): Remove type and display_convention parameters.
1811         Adjust calls to pp_ada_tree_identifier.
1812         (dump_ada_node): Likewise and for dump_ada_structure.
1813         (dump_nested_type) <ENUMERAL_TYPE>: Adjust call to dump_ada_enum_type
1814         and tidy up.
1815         <RECORD_TYPE>: Adjust call to dump_ada_structure and switch to aspect
1816         syntax.
1817         (print_constructor): Adjust call to pp_ada_tree_identifier.
1818         (print_destructor): Likewise.
1819         (dump_ada_declaration): Switch to aspect syntax.
1820         (dump_ada_structure): Likewise and tidy up.  Replace display_convention
1821         parameter with nested parameter.
1822         (dump_ads): Emit pragma Ada_2012 in lieu of pragma Ada_2005.
1823         (dump_ada_specs): Do not delete overloaded_names table.
1824
1825 2018-07-06  Peter Bergner  <bergner@linux.ibm.com>
1826
1827         PR target/86324
1828         * c-attribs.c (handle_mode_attribute): Call translate_mode_attribute
1829         target hook.
1830
1831 2018-07-05  Nathan Sidwell  <nathan@acm.org>
1832
1833         * c-lex.c (fe_file_change): Check SYSTEM_IMPLICIT_EXTERN_C not
1834         NO_IMPLICIT_EXTERN_C.
1835
1836 2018-06-28  Martin Liska  <mliska@suse.cz>
1837
1838         * cppspec.c: Include opt-suggestions.h.
1839
1840 2018-06-20  Chung-Lin Tang  <cltang@codesourcery.com>
1841             Thomas Schwinge  <thomas@codesourcery.com>
1842             Cesar Philippidis  <cesar@codesourcery.com>
1843
1844         * c-pragma.h (enum pragma_omp_clause): Add
1845         PRAGMA_OACC_CLAUSE_{FINALIZE,IF_PRESENT}. Remove
1846         PRAGMA_OACC_CLAUSE_PRESENT_OR_{COPY,COPYIN,COPYOUT,CREATE}.
1847
1848 2018-06-20  Jakub Jelinek  <jakub@redhat.com>
1849
1850         PR c++/86210
1851         * c-common.c (check_nonnull_arg): Use fold_for_warn.  Adjust obsolete
1852         comment.
1853
1854 2018-06-18  Martin Sebor  <msebor@redhat.com>
1855
1856         PR middle-end/85602
1857         * c-warn.c (sizeof_pointer_memaccess_warning): Check for attribute
1858         nonstring.
1859
1860 2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
1861
1862         * c-common.c (c_common_truthvalue_conversion): Handle ABSU_EXPR.
1863
1864 2018-06-13  Jason Merrill  <jason@redhat.com>
1865
1866         * c-opts.c (c_common_post_options): Warn about useless -Wabi.
1867         (c_common_handle_option) [OPT_Wabi_]: Remove flag_abi_compat_version
1868         handling.
1869
1870         PR c++/86094 - wrong code with defaulted move ctor.
1871         * c-opts.c (c_common_post_options): Bump the current ABI version to
1872         13.  Set warn_abi_version and flag_abi_compat_version to the current
1873         version rather than 0.  Fix defaulting flag_abi_compat_version from
1874         warn_abi_version.
1875
1876 2018-06-12  Martin Sebor  <msebor@redhat.com>
1877
1878         PR c/85931
1879         * c-warn.c (sizeof_pointer_memaccess_warning): Avoid warning when
1880         sizeof source and destination yields the same value.
1881
1882 2018-06-12  Martin Liska  <mliska@suse.cz>
1883
1884         * c.opt: Make MPX-related options as Deprecated.
1885
1886 2018-06-08  David Malcolm  <dmalcolm@redhat.com>
1887
1888         * c-pretty-print.c (c_pretty_printer::statement): Use TDF_NONE
1889         rather than 0.
1890
1891 2018-06-08  Martin Liska  <mliska@suse.cz>
1892
1893         * c-attribs.c (handle_bnd_variable_size_attribute): Remove support
1894         for MPX (macros, related functions, fields in cgraph_node, ...).
1895         (handle_bnd_legacy): Likewise.
1896         (handle_bnd_instrument): Likewise.
1897         * c.opt: Likewise.
1898
1899 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
1900
1901         PR c++/86068
1902         * c-cppbuiltin.c (c_cpp_builtins): Fix a typo, set
1903         __cpp_transactional_memory to 201500 instead of 210500.
1904
1905 2018-06-06  Jason Merrill  <jason@redhat.com>
1906
1907         PR c++/85710 - ICE with -Wmemset-elt-size.
1908         * c-warn.c (warn_for_memset): Don't crash on incomplete element type.
1909
1910 2018-06-01  Jason Merrill  <jason@redhat.com>
1911
1912         * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_deduction_guides to
1913         201703.
1914
1915 2018-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1916
1917         * c-ada-spec.c (dump_ada_declaration) <TYPE_DECL>: Generate a forward
1918         declaration for a typedef independently of whether the declaration of
1919         the subtype is generated.
1920
1921 2018-05-31  Martin Sebor  <msebor@redhat.com>
1922
1923         PR c/82063
1924         * c.opt (-Wno-alloc-size-larger-than): New option.
1925
1926 2018-04-22  David Pagan  <dave.pagan@oracle.com>
1927
1928         PR c/55976
1929         * c-opts.c (c_common_post_options): Set default for warn_return_type
1930         for C++/C++ with ObjC extensions only. For C, makes it possible to
1931         differentiate between default (no option), -Wreturn-type, and
1932         -Wno-return-type.
1933
1934 2018-05-29  Jason Merrill  <jason@redhat.com>
1935
1936         * c.opt (Winit-list-lifetime): New flag.
1937
1938 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1939
1940         * c-lex.c (get_fileinfo): Use splay_tree_compare_strings and
1941         splay_tree_delete_pointers.
1942
1943 2018-05-26  Jakub Jelinek  <jakub@redhat.com>
1944
1945         PR bootstrap/85921
1946         * c-warn.c (diagnose_mismatched_attributes): Remove unnecessary
1947         noinline variable to workaround broken kernel headers.
1948
1949 2018-05-18  Jason Merrill  <jason@redhat.com>
1950
1951         * c.opt (Wdeprecated-copy): New flag.
1952
1953 2018-05-17  Martin Liska  <mliska@suse.cz>
1954
1955         * c-warn.c (overflow_warning): Do not use
1956         space in between 'G_' and '('.
1957
1958 2018-05-09  Jason Merrill  <jason@redhat.com>
1959
1960         * c-common.c (valid_array_size_p): Add complain parameter.
1961         * c-common.h: ...which defaults to true.
1962
1963 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
1964
1965         PR c/85696
1966         * c-omp.c (c_omp_predetermined_sharing): Return
1967         OMP_CLAUSE_DEFAULT_SHARED for artificial vars with integral type.
1968
1969 2018-05-11  Martin Liska  <mliska@suse.cz>
1970
1971         PR sanitizer/85556
1972         * c-attribs.c (handle_no_sanitize_attribute): Iterate all
1973         TREE_LIST values.
1974
1975 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
1976
1977         PR c++/85662
1978         * c-common.h (fold_offsetof_1): Removed.
1979         (fold_offsetof): Add TYPE argument defaulted to size_type_node and
1980         CTX argument defaulted to ERROR_MARK.
1981         * c-common.c (fold_offsetof_1): Renamed to ...
1982         (fold_offsetof): ... this.  Remove wrapper function.  Add TYPE
1983         argument, convert the pointer constant to TYPE and use size_binop
1984         with PLUS_EXPR instead of fold_build_pointer_plus if type is not
1985         a pointer type.  Adjust recursive calls.
1986
1987 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1988
1989         PR c++/85400
1990         * c-attribs.c (handle_visibility_attribute): Do not set no_add_attrs.
1991
1992 2018-05-07  Nathan Sidwell  <nathan@acm.org>
1993
1994         * c.opt (ffor-scope): Remove functionality, issue warning.
1995
1996 2018-05-03  Nathan Sidwell  <nathan@acm.org>
1997
1998         * c.opt (ffriend-injection): Remove functionality, issue warning.
1999
2000 2018-05-01  David Malcolm  <dmalcolm@redhat.com>
2001
2002         PR c/84258
2003         * c-format.c (struct format_check_results): Add field
2004         "number_non_char".
2005         (check_format_info): Initialize it, and warn if encountered.
2006         (check_format_arg): Distinguish between wide char and
2007         everything else when detecting arrays of non-char.
2008
2009 2018-04-30  David Malcolm  <dmalcolm@redhat.com>
2010
2011         * c-format.c (get_corrected_substring): Update for
2012         location_get_source_line returning a char_span.  Use a char_span
2013         when handling the prefix of the correction.
2014         * c-indentation.c (get_visual_column): Update for
2015         location_get_source_line returning a char_span.
2016         (get_first_nws_vis_column): Likewise.
2017
2018 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
2019
2020         PR c++/84269
2021         * known-headers.cc (get_stdlib_header_for_name): Add various names
2022         from <assert.h>, <string.h>, and <memory.h>; add more names from
2023         <stdio.h>.
2024
2025 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
2026
2027         PR c++/85061
2028         * c-common.c (fold_offsetof_1) <case COMPOUND_EXPR>: Assert that
2029         get_base_address of the second operand is a VAR_P, rather than the
2030         operand itself, and use gcc_checking_assert instead of gcc_assert.
2031
2032 2018-03-23  Marek Polacek  <polacek@redhat.com>
2033
2034         PR c++/85045
2035         * c-pretty-print.c (c_pretty_printer::multiplicative_expression)
2036         <case RDIV_EXPR>: Tweak condition.
2037
2038 2018-03-20  Eric Botcazou  <ebotcazou@adacore.com>
2039
2040         * c-ada-spec.c (pp_ada_tree_identifier): Deal specifically with _Bool.
2041
2042 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2043
2044         PR c/84909
2045         * c-warn.c (conversion_warning): Replace "to to" with "to" in
2046         diagnostics.
2047
2048         PR c/84910
2049         * c-warn.c (diagnose_mismatched_attributes): Remove trailing space from
2050         diagnostics.
2051
2052 2018-03-16  Richard Biener  <rguenther@suse.de>
2053
2054         PR c/84873
2055         * c-gimplify.c (c_gimplify_expr): Revert previous change.  Instead
2056         unshare the possibly folded expression.
2057
2058 2018-03-15  Richard Biener  <rguenther@suse.de>
2059
2060         PR c/84873
2061         * c-gimplify.c (c_gimplify_expr): Do not fold expressions.
2062
2063 2018-03-13  Martin Sebor  <msebor@redhat.com>
2064
2065         PR tree-optimization/84725
2066         * c-attribs.c (handle_nonstring_attribute): Allow attribute nonstring
2067         with all three narrow character types, including their qualified forms.
2068
2069 2018-03-12  Martin Sebor  <msebor@redhat.com>
2070
2071         PR tree-optimization/83456
2072         * c-common.c (check_function_restrict): Return bool.
2073         Restore checking of bounded built-in functions.
2074         (check_function_arguments): Also return the result
2075         of warn_for_restrict.
2076         * c-common.c (check_function_restrict): Return bool.
2077         * c-warn.c (warn_for_restrict): Return bool.
2078
2079 2018-03-02  Marek Polacek  <polacek@redhat.com>
2080
2081         PR c++/84171
2082         * c-warn.c (warn_for_sign_compare): Bail out if any of the operands
2083         is erroneous.
2084
2085 2018-03-02  Thomas Schwinge  <thomas@codesourcery.com>
2086
2087         * c-attribs.c (c_common_attribute_table): Remove "cilk simd
2088         function".
2089
2090 2018-03-01  Marek Polacek  <polacek@redhat.com>
2091
2092         PR c++/84639
2093         * c-attribs.c (common_handle_aligned_attribute): Don't use invalid
2094         alignment in computation.
2095
2096 2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>
2097
2098         * c-ada-spec.c (dump_ada_node) <NULLPTR_TYPE>: New case.
2099         <REAL_TYPE>: Deal specifically with _Float128/__float128.
2100
2101 2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>
2102
2103         * c-ada-spec.c (dump_ada_double_name) <ENUMERAL_TYPE>: New case.
2104         (is_char_array): Take a type instead of a declaration.
2105         (dump_ada_array_type): Likewise.
2106         (is_simple_enum): Minor tweak.
2107         (dump_ada_enum_type): New function extracted from...
2108         (dump_ada_node) <ENUMERAL_TYPE>: ...here.  Invoke it.
2109         <INTEGER_TYPE>: Remove unreachable code.
2110         <RECORD_TYPE>: Likewise.  Minor tweaks.
2111         (dump_nested_type) <ARRAY_TYPE>: Adjust to above changes.
2112         <ENUMERAL_TYPE>: New case.
2113         <RECORD_TYPE>: Factor out common code.
2114         (dump_ada_declaration) <ARRAY_TYPE>: Adjust to above changes.
2115         Minor tweaks.  Deal with enumeral types.
2116         (dump_ada_structure): Minor tweaks.
2117
2118 2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>
2119
2120         * c-ada-spec.c (dump_ada_node) <POINTER_TYPE>: Do not use generic
2121         address for incomplete structures.
2122         (dump_forward_type): Do not bail out for incomplete structures.
2123         (dump_ada_declaration): Do not special-case incomplete structures
2124         for subtypes.  Dump them as null records for types.
2125
2126 2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>
2127
2128         * c-ada-spec.c (dump_ada_import): Use boolean and fix formatting.
2129         (is_char_array): Fix formatting.
2130         (dump_template_types): Likewise.
2131         (dump_generic_ada_node): Rename into...
2132         (dump_ada_node): ...this.
2133         <POINTER_TYPE>: Remove superfluous space.  Use generic address for
2134         incomplete structures and not for empty structures.  Do not use it
2135         when forward declarations are needed.
2136         (dump_forward_type): New function.
2137         (dump_nested_types): Remove FORWARD parameter.  Do not consider
2138         TREE_VISITED and do not generate a forward declaration.  Only dump
2139         original nested types for nested declaration.
2140         (dump_nested_type) <POINTER_TYPE>: Call dump_forward_type.
2141         <ARRAY_TYPE>: Likewise if the component type is an anonymous pointer.
2142         <RECORD_TYPE>: Do not consider TREE_VISITED.
2143         (dump_ada_declaration): Use booleans and fix formatting throughout.
2144         <TYPE_DECL>: Skip incomplete structures and not empty structures.
2145         Call dump_forward_type instead of dump_nested_types for a typedef.
2146         Remove superfluous check and adjust call to dump_nested_types.
2147         <POINTER_TYPE>: Call dump_forward_type and fall through.
2148         (dump_ada_struct_decl): Rename into...
2149         (dump_ada_structure): ...this.  Do not special-case empty structures.
2150
2151 2018-02-27  Martin Sebor  <msebor@redhat.com>
2152
2153         PR c++/83871
2154         * c.opt (-Wmissing-attributes): New option.
2155
2156 2018-02-21  Martin Liska  <mliska@suse.cz>
2157
2158         * c.opt (Wcatch-value=): Add IntegerRange.
2159
2160 2018-02-15  Jason Merrill  <jason@redhat.com>
2161
2162         * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides.
2163
2164 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2165
2166         PR c/84293
2167         * c-common.h (strict_aliasing_warning): Drop OTYPE arg, insert LOC
2168         arg.
2169         * c-warn.c (strict_aliasing_warning): Drop OTYPE arg, require LOC
2170         arg.  Adjust.
2171
2172 2018-02-09  Martin Sebor  <msebor@redhat.com>
2173
2174         PR lto/84212
2175         * c.opt (-Wstringop-overflow, -Warray-bounds): Add LTO.
2176         (-Walloc-size-larger-than, -Wformat-truncation=): Same.
2177         (-Wmaybe-uninitialized, -Wnonnull, -Wrestrict): Same.
2178         (-Wstrict-overflow, -Wsuggest-attribute): Same.
2179         (-Wuninitialized): Same.
2180
2181 2018-02-09  Eric Botcazou  <ebotcazou@adacore.com>
2182
2183         * c-ada-spec.c (dump_ada_declaration): Do not generate the 'constant'
2184         keyword for components.
2185
2186 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2187
2188         * c-common.h (DECL_UNNAMED_BIT_FIELD): New.
2189
2190 2018-02-02  Julia Koval  <julia.koval@intel.com>
2191
2192         * c-common.h (omp_clause_mask): Move to wide_int_bitmask.h.
2193
2194 2018-01-29  Marek Polacek  <polacek@redhat.com>
2195
2196         PR c/83966
2197         * c-format.c (check_function_format): Check current_function_decl.
2198
2199 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
2200
2201         * c-cppbuiltin.c (c_cpp_builtins): Use ggc_strdup for the fp_suffix
2202         argument.
2203         (LAZY_HEX_FP_VALUES_CNT): Define.
2204         (lazy_hex_fp_values): Allow up to LAZY_HEX_FP_VALUES_CNT lazy hex fp
2205         values rather than just 12.
2206         (builtin_define_with_hex_fp_value): Likewise.
2207
2208 2018-01-18  Boris Kolpackov  <boris@codesynthesis.com>
2209
2210         PR other/70268
2211         * c.opt (-fmacro-prefix-map): New option.
2212         * c-opts.c (c_common_handle_option): Handle it.
2213         * c-lex.c (init_c_lex): Set remap_filename cpp callback.
2214         * c-ppoutput.c (init_pp_output): Likewise.
2215
2216 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2217
2218         PR c++/83814
2219         * c-common.c (fold_for_warn): Move to c/c-fold.c and cp/expr.c.
2220
2221 2018-01-10  Eric Botcazou  <ebotcazou@adacore.com>
2222
2223         * c-ada-spec.c (dump_number): Add FLOAT_P parameter.
2224         Skip 'f' and 'F' characters if it is true.
2225         (store_ada_macro): Minor tweak.
2226         (dump_ada_macros) <CPP_COMMENT>: Likewise.
2227         <CPP_WSTRING>: Likewise.
2228         <CPP_STRING>: Output '&' in the buffer if not the first string.
2229         <CPP_NUMBER>: Adjust calls to dump_number.
2230
2231 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2232
2233         PR c++/43486
2234         * c-common.c: Include "selftest.h".
2235         (get_atomic_generic_size): Perform the test for integral type
2236         before the range test for any integer constant, fixing indentation
2237         of braces.  Call fold_for_warn before testing for an INTEGER_CST.
2238         (reject_gcc_builtin): Strip any location wrapper from EXPR.
2239         (selftest::test_fold_for_warn): New function.
2240         (selftest::c_common_c_tests): New function.
2241         (selftest::c_family_tests): Call it, and
2242         selftest::c_pretty_print_c_tests.
2243         * c-common.h (selftest::c_pretty_print_c_tests): New decl.
2244         * c-format.c (check_format_arg): Convert VAR_P check to a
2245         fold_for_warn.
2246         * c-pretty-print.c: Include "selftest.h".
2247         (pp_c_cast_expression): Don't print casts for location wrappers.
2248         (selftest::assert_c_pretty_printer_output): New function.
2249         (ASSERT_C_PRETTY_PRINTER_OUTPUT): New macro.
2250         (selftest::test_location_wrappers): New function.
2251         (selftest::c_pretty_print_c_tests): New function.
2252         * c-warn.c (warn_for_memset): Call fold_for_warn on the arguments.
2253
2254 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2255             Alan Hayward  <alan.hayward@arm.com>
2256             David Sherwood  <david.sherwood@arm.com>
2257
2258         * c-common.c (c_common_type_for_mode): Handle MODE_VECTOR_BOOL.
2259
2260 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2261             Alan Hayward  <alan.hayward@arm.com>
2262             David Sherwood  <david.sherwood@arm.com>
2263
2264         * c-ubsan.c (ubsan_instrument_shift): Treat GET_MODE_BITSIZE
2265         as polynomial.
2266
2267 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2268             Alan Hayward  <alan.hayward@arm.com>
2269             David Sherwood  <david.sherwood@arm.com>
2270
2271         * c-common.c (vector_types_convertible_p, c_build_vec_perm_expr)
2272         (convert_vector_to_array_for_subscript): Handle polynomial
2273         TYPE_VECTOR_SUBPARTS.
2274         (c_common_type_for_mode): Check valid_vector_subparts_p.
2275         * c-pretty-print.c (pp_c_initializer_list): Handle polynomial
2276         VECTOR_CST_NELTS.
2277
2278 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2279
2280         Update copyright years.
2281
2282 2017-12-22  Mike Stump  <mikestump@comcast.net>
2283             Eric Botcazou  <ebotcazou@adacore.com>
2284
2285         * c-pragma.c (init_pragma): Register pragma GCC unroll.
2286         * c-pragma.h (enum pragma_kind): Add PRAGMA_UNROLL.
2287
2288 2017-12-22  Alexandre Oliva  <aoliva@redhat.com>
2289
2290         PR debug/83527
2291         PR debug/83419
2292         * c-semantics.c (only_debug_stmts_after_p): New.
2293         (pop_stmt_list): Clear side effects in debug-only stmt list.
2294         Check for single nondebug stmt followed by debug stmts only.
2295
2296 2017-12-21  Alexandre Oliva  <aoliva@redhat.com>
2297
2298         PR debug/83419
2299         * c-semantics.c (pop_stmt_list): Propagate side effects from
2300         single nondebug stmt to container list.
2301
2302 2017-12-19  Jakub Jelinek  <jakub@redhat.com>
2303
2304         * known-headers.cc (get_stdlib_header_for_name): Replace Yoda
2305         conditions with typical order conditions.
2306
2307 2017-12-18  Marek Polacek  <polacek@redhat.com>
2308
2309         * c-warn.c (warn_logical_operator): Return early if -Wlogical-op is
2310         not in effect.
2311
2312 2017-12-17  Martin Sebor  <msebor@redhat.com>
2313
2314         * c-attribs.c (common_handle_aligned_attribute): Avoid issuing
2315         an error for attribute warn_if_not_aligned.
2316
2317 2017-12-16  Martin Sebor  <msebor@redhat.com>
2318
2319         PR tree-optimization/78918
2320         * c-common.c (check_function_restrict): Avoid checking built-ins.
2321         * c.opt (-Wrestrict): Include in -Wall.
2322
2323 2017-12-15  Jakub Jelinek  <jakub@redhat.com>
2324
2325         * c-attribs.c (c_common_attribute_table,
2326         c_common_format_attribute_table): Swap affects_type_identity
2327         and handler fields, adjust comments.
2328
2329 2017-12-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2330
2331         * c.opt (Wcast-function-type): New warning option.
2332         * c-lex.c (get_fileinfo): Avoid warning.
2333         * c-ppoutput.c (scan_translation_unit_directives_only): Remove cast.
2334
2335 2017-12-14  Qing Zhao  <qing.zhao@oracle.com>
2336
2337         PR middle_end/79538
2338         * c-cppbuiltin.c (builtin_define_with_hex_fp_value):
2339         Adjust the size of buf1 and buf2, add a new buf to avoid
2340         format-overflow warning.
2341
2342 2017-12-12  Alexandre Oliva  <aoliva@redhat.com>
2343
2344         * c-semantics.c (pop_stmt_list): Move begin stmt marker into
2345         subsequent statement list.
2346
2347 2017-12-07  Martin Sebor  <msebor@redhat.com>
2348
2349         PR c/81544
2350         PR c/81566
2351         * c-attribs.c (attr_aligned_exclusions): New array.
2352         (attr_alloc_exclusions, attr_cold_hot_exclusions): Same.
2353         (attr_common_exclusions, attr_const_pure_exclusions): Same.
2354         (attr_gnu_inline_exclusions, attr_inline_exclusions): Same.
2355         (attr_noreturn_exclusions, attr_returns_twice_exclusions): Same.
2356         (attr_warn_unused_result_exclusions): Same.
2357         (handle_hot_attribute, handle_cold_attribute): Simplify.
2358         (handle_const_attribute): Warn on function returning void.
2359         (handle_pure_attribute): Same.
2360         (handle_aligned_attribute): Diagnose conflicting attribute
2361         specifications.
2362         * c-warn.c (diagnose_mismatched_attributes): Simplify.
2363
2364 2017-12-06  David Malcolm  <dmalcolm@redhat.com>
2365
2366         PR c/83236
2367         * c-common.c (selftest::c_family_tests): Call
2368         selftest::c_spellcheck_cc_tests.
2369         * c-common.h (selftest::c_spellcheck_cc_tests): New decl.
2370         * c-spellcheck.cc: Include "selftest.h".
2371         (name_reserved_for_implementation_p): New function.
2372         (should_suggest_as_macro_p): New function.
2373         (find_closest_macro_cpp_cb): Move the check for NT_MACRO to
2374         should_suggest_as_macro_p and call it.
2375         (selftest::test_name_reserved_for_implementation_p): New function.
2376         (selftest::c_spellcheck_cc_tests): New function.
2377         * c-spellcheck.h (name_reserved_for_implementation_p): New decl.
2378
2379 2017-12-06  David Malcolm  <dmalcolm@redhat.com>
2380
2381         * c-spellcheck.cc: New file, taken from macro-handling code in
2382         spellcheck-tree.c.
2383         * c-spellcheck.h: New file, taken from macro-handling code in
2384         spellcheck-tree.h.
2385
2386 2017-12-01  Jakub Jelinek  <jakub@redhat.com>
2387
2388         * c-attribs.c (c_common_attribute_table): Remove "cilk simd function"
2389         attribute.
2390         (handle_simd_attribute): Don't check for "cilk simd function"
2391         attribute.  Reindent, formatting changes.
2392
2393 2017-11-30  Julia Koval  <julia.koval@intel.com>
2394
2395         * c-common.h (inv_list): Remove.
2396
2397 2017-11-28  Jakub Jelinek  <jakub@redhat.com>
2398
2399         PR sanitizer/81275
2400         * c-common.c (c_switch_covers_all_cases_p_1,
2401         c_switch_covers_all_cases_p): New functions.
2402         * c-common.h (c_switch_covers_all_cases_p): Declare.
2403
2404 2017-11-28  Julia Koval  <julia.koval@intel.com>
2405             Sebastian Peryt  <sebastian.peryt@intel.com>
2406
2407         * array-notation-common.c: Delete.
2408         * c-cilkplus.c: Ditto.
2409         * c-common.c (_Cilk_spawn, _Cilk_sync, _Cilk_for): Remove.
2410         * c-common.def (ARRAY_NOTATION_REF): Remove.
2411         * c-common.h (RID_CILK_SPAWN, build_array_notation_expr,
2412         build_array_notation_ref, C_ORT_CILK, c_check_cilk_loop,
2413         c_validate_cilk_plus_loop, cilkplus_an_parts,
2414         cilk_ignorable_spawn_rhs_op,
2415         cilk_recognize_spawn): Remove.
2416         * c-gimplify.c (CILK_SPAWN_STMT): Remove.
2417         * c-omp.c: Remove CILK_SIMD check.
2418         * c-pragma.c: Ditto.
2419         * c-pragma.h: Remove CILK related pragmas.
2420         * c-pretty-print.c (c_pretty_printer::postfix_expression): Remove
2421         ARRAY_NOTATION_REF condition.
2422         (c_pretty_printer::expression): Ditto.
2423         * c.opt (fcilkplus): Remove.
2424         * cilk.c: Delete.
2425
2426 2017-11-21  Marc Glisse  <marc.glisse@inria.fr>
2427
2428         * c-pretty-print.c (pp_c_additive_expression,
2429         c_pretty_printer::expression): Handle POINTER_DIFF_EXPR.
2430
2431 2017-11-21  Jakub Jelinek  <jakub@redhat.com>
2432
2433         * c-common.c (get_nonnull_operand): Use tree_to_uhwi.
2434
2435         PR c++/83059
2436         * c-common.c (get_atomic_generic_size): Use TREE_INT_CST_LOW
2437         instead of tree_to_uhwi, formatting fix.
2438
2439 2017-11-20  David Malcolm  <dmalcolm@redhat.com>
2440
2441         PR c/81404
2442         * known-headers.cc: New file, based on material from c/c-decl.c.
2443         (suggest_missing_header): Copied as-is.
2444         (get_stdlib_header_for_name): New, based on get_c_name_hint but
2445         heavily edited to add C++ support.  Add some knowledge about
2446         <limits.h>, <stdint.h>, and <wchar.h>.
2447         * known-headers.h: Likewise.
2448
2449 2017-11-20  David Malcolm  <dmalcolm@redhat.com>
2450
2451         * c-common.h (enum lookup_name_fuzzy_kind): Move to name-hint.h.
2452         (lookup_name_fuzzy): Likewise.  Convert return type from
2453         const char * to name_hint.  Add location_t param.
2454         * name-hint.h: New header.
2455
2456 2017-11-19  Jakub Jelinek  <jakub@redhat.com>
2457
2458         PR c/66618
2459         PR c/69960
2460         * c-common.h (c_fully_fold): Add LVAL argument defaulted to false.
2461
2462 2017-11-16  Joseph Myers  <joseph@codesourcery.com>
2463
2464         * c.opt (-std=c17, std=gnu17, -std=iso9899:2017): Refer to 2018
2465         expected publication date of C17.
2466         (-std=c18, -std=gnu18, -std=iso9899:2018): New option aliases.
2467
2468 2017-11-15  Joseph Myers  <joseph@codesourcery.com>
2469
2470         PR c/81156
2471         * c-common.c (c_common_reswords): Add __builtin_tgmath.
2472         * c-common.h (enum rid): Add RID_BUILTIN_TGMATH.
2473
2474 2017-11-10  Martin Sebor  <msebor@redhat.com>
2475
2476         PR c/81117
2477         * c-common.c (catenate_strings): Use memcpy instead of strncpy.
2478         * c-warn.c (sizeof_pointer_memaccess_warning): Handle arrays.
2479         * c.opt (-Wstringop-truncation): New option.
2480
2481 2017-11-06  Martin Liska  <mliska@suse.cz>
2482
2483         PR middle-end/82404
2484         * c-opts.c (c_common_post_options): Set -Wreturn-type for C++
2485         FE.
2486         * c.opt: Set default value of warn_return_type.
2487
2488 2017-10-31  David Malcolm  <dmalcolm@redhat.com>
2489
2490         * c-common.c (binary_op_error): Update for renaming of
2491         error_at_rich_loc.
2492         (c_parse_error): Likewise.
2493         * c-warn.c (warn_logical_not_parentheses): Likewise for
2494         renaming of inform_at_rich_loc.
2495         (warn_for_restrict): Likewise for renaming of
2496         warning_at_rich_loc_n.
2497
2498 2017-10-30  Joseph Myers  <joseph@codesourcery.com>
2499
2500         * c.opt (std=c17, std=gnu17, std=iso9899:2017): New options.
2501         * c-opts.c (set_std_c17): New function.
2502         (c_common_init_options): Use gnu17 as default C version.
2503         (c_common_handle_option): Handle -std=c17 and -std=gnu17.
2504
2505 2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
2506
2507         * c-cppbuiltin.c (mode_has_fma): Add support for PowerPC KFmode.
2508         (c_cpp_builtins): If a machine has a fast fma _Float<N> and
2509         _Float<N>X variant, define __FP_FAST_FMA<N> and/or
2510         __FP_FAST_FMA<N>X.
2511
2512 2017-10-23  Marek Polacek  <polacek@redhat.com>
2513
2514         PR c/82681
2515         * c-warn.c (warnings_for_convert_and_check): Fix typos.
2516
2517 2017-10-19  Eric Botcazou  <ebotcazou@adacore.com>
2518
2519         * c-common.c (check_builtin_function_arguments): Also check arguments
2520         of __builtin_alloca_with_align_and_max.
2521
2522 2017-10-17  David Malcolm  <dmalcolm@redhat.com>
2523
2524         * c-format.c (format_warning_at_char): Pass UNKNOWN_LOCATION
2525         rather than NULL to format_warning_va.
2526         (check_format_types): Likewise when calling format_type_warning.
2527         Remove code to extract source_ranges and source_range * in favor
2528         of just a location_t.
2529         (format_type_warning): Convert source_range * param to a
2530         location_t.
2531
2532 2017-10-13  Jakub Jelinek  <jakub@redhat.com>
2533
2534         * c-gimplify.c (c_gimplify_expr): Handle [LR]ROTATE_EXPR like
2535         [LR]SHIFT_EXPR.
2536
2537 2017-10-12  David Malcolm  <dmalcolm@redhat.com>
2538
2539         * c-common.c (enum missing_token_insertion_kind): New enum.
2540         (get_missing_token_insertion_kind): New function.
2541         (maybe_suggest_missing_token_insertion): New function.
2542         * c-common.h (maybe_suggest_missing_token_insertion): New decl.
2543
2544 2017-10-11  Nathan Sidwell  <nathan@acm.org>
2545
2546         * c-opts.c (add_prefixed_path): Change chain to incpath_kind.
2547         (c_common_handle_option): Update incpath_kind names.
2548
2549 2017-10-11  Martin Liska  <mliska@suse.cz>
2550
2551         PR sanitizer/82490
2552         * c-attribs.c (handle_no_sanitize_attribute): Report directly
2553         Wattributes warning.
2554
2555 2017-10-10  Richard Sandiford  <richard.sandiford@linaro.org>
2556
2557         * c-ada-spec.c (dump_generic_ada_node): Use wi::to_wide when
2558         operating on trees as wide_ints.
2559         * c-common.c (pointer_int_sum): Likewise.
2560         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2561         * c-warn.c (match_case_to_enum_1): Likewise.
2562         (c_do_switch_warnings): Likewise.
2563         (maybe_warn_shift_overflow): Likewise.
2564
2565 2017-10-10  Jakub Jelinek  <jakub@redhat.com>
2566
2567         PR c/82437
2568         * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_wide
2569         instead of wide_int::from.
2570
2571 2017-10-06  Jakub Jelinek  <jakub@redhat.com>
2572
2573         PR c/82437
2574         * c-warn.c (warn_tautological_bitwise_comparison): Instead of
2575         using to_widest use wide_int with the larger of the two precisions.
2576
2577 2017-10-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2578
2579         * c-pretty-print.c (pp_c_parameter_type_list): Print ... for variadic
2580         functions.
2581
2582 2017-10-02  Richard Sandiford  <richard.sandiford@linaro.org>
2583
2584         * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_widest
2585         when combining the original unconverted comparison operands.
2586
2587 2017-09-29  Jakub Jelinek  <jakub@redhat.com>
2588
2589         * c-attribs.c (handle_noipa_attribute): Don't add "stack_protect"
2590         attribute.
2591
2592 2017-09-29  Eric Botcazou  <ebotcazou@adacore.com>
2593
2594         * c-ada-spec.c (to_ada_name): Add index parameter.
2595         (pp_ada_tree_identifier): Likewise.
2596         (dump_ada_macros): Adjust call to to_ada_name.
2597         (struct overloaded_name_hash): New type.
2598         (struct overloaded_name_hasher): Likewise.
2599         (overloaded_names): New hash table.
2600         (compute_overloading_index): New function.
2601         (dump_ada_decl_name): Call it and pass the result to
2602         pp_ada_tree_identifier.
2603         (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier.
2604         (dump_ada_function_declaration): Likewise.
2605         (dump_generic_ada_node): Likewise.
2606         (print_constructor): Likewise.
2607         (print_destructor): Likewise.
2608         (dump_ada_specs): Delete overloaded_names table.
2609
2610 2017-09-29  Eric Botcazou  <ebotcazou@adacore.com>
2611
2612         * c-ada-spec.c (max_ada_macros): Move around.
2613         (store_ada_macro_index): Likewise.
2614         (source_file): Rename into...
2615         (macro_source_file): ...this.
2616         (count_ada_macro): Move around.
2617         (store_ada_macro): Likewise.
2618         (compare_macro): Likewise.
2619         (print_ada_macros): Merge in...
2620         (dump_ada_macros): ...this.
2621         (source_file_base): Rename into...
2622         (current_source_file): ...this.
2623         (print_comment): Move around.
2624         (dump_ada_nodes): Call dump_ada_declaration directly.
2625         (struct with): Change type of limited field to bool.
2626         (append_withs): Change type of limited_access parameter to bool.
2627         (pp_ada_tree_identifie): Likewise.
2628         (dump_ada_decl_nam): Likewise.
2629         (dump_generic_ada_node): Likewise.  Do not print the return type.
2630         (to_ada_name): Change type of space_found parameter to bool.
2631         (dump_ada_function_declaration): Return void and change type of
2632         parameters to bool.  Also print the return type for a function.
2633         (print_ada_methods): Rename into...
2634         (dump_ada_methods): ...this.
2635         (print_ada_declaration): Rename into ...
2636         (dump_ada_declaration): ...this.  Do not print the return type.
2637         (print_ada_struct_decl): Rename into...
2638         (dump_ada_struct_decl): ...this.
2639
2640 2017-09-29  Jakub Jelinek  <jakub@redhat.com>
2641
2642         * c-attribs.c (handle_packed_attribute): Test DECL_C_BIT_FIELD
2643         rather than DECL_INITIAL.
2644         (common_handle_aligned_attribute): Likewise.
2645
2646 2017-09-20  Alexandre Oliva  <aoliva@redhat.com>
2647
2648         * c.opt (gen-decls): Add RejectNegative.
2649
2650 2017-09-15  Andrew Sutton  <andrew.n.sutton@gmail.com>
2651             Jakub Jelinek  <jakub@redhat.com>
2652
2653         Add support for -std=c++2a.
2654         * c-common.h (cxx_dialect): Add cxx2a as a dialect.
2655         * opt.c: Add options for -std=c++2a and -std=gnu++2a.
2656         * c-opts.c (set_std_cxx2a): New.
2657         (c_common_handle_option): Set options when -std=c++2a is enabled.
2658         (c_common_post_options): Adjust comments.
2659         (set_std_cxx14, set_std_cxx17): Likewise.
2660
2661 2017-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2662
2663         * c-pragma.c (handle_pragma_scalar_storage_order): Expand on error
2664         message for non-uniform endianness and issue a warning in C++.
2665
2666 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
2667
2668         * c.opt (Wc++1z-compat): Change from option to undocumented alias.
2669         (Wc++17-compat): Change from undocumented alias to option.
2670         (Wnoexcept-type): Enable by Wc++17-compat instead of Wc++1z-compat,
2671         change C++1z to C++17 in description.
2672         (std=c++1z, std=gnu++1z): Change from option to undocumented
2673         deprecated alias.
2674         (std=c++17, std=gnu++17): Change from undocumented alias to option.
2675         Adjust description.
2676         * c-common.h (enum cxx_dialect): Rename cxx1z to cxx17.
2677         * c-opts.c (set_std_cxx1z): Rename to ...
2678         (set_std_cxx17): ... this.
2679         (c_common_handle_option): Rename OPT_std_c__1z to OPT_std_c__17
2680         and OPT_std_gnu__1z to OPT_std_gnu__17.  Adjust set_std_cxx1z
2681         caller.
2682         (c_common_post_options): Use cxx17 instead of cxx1z.  Adjust
2683         comments.
2684
2685 2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>
2686
2687         * c-attribs.c (common_handle_aligned_attribute): Don't warn
2688         function alignment if warn_if_not_aligned_p is true.
2689
2690 2017-09-12  Nathan Sidwell  <nathan@acm.org>
2691
2692         * c-common.c (field_decl_cmp, resort_data, resort_field_decl_cmp,
2693         resort_sorted_fields): Move to c/c-decl.c.
2694         * c-common.h (field_decl_cmp, resort_sorted_fields): Delete.
2695         (struct sorted_fields_type): Move to c/c-lang.h.
2696
2697 2017-09-09  Jonathan Wakely  <jwakely@redhat.com>
2698
2699         PR c++/81852
2700         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_threadsafe_static_init.
2701
2702 2017-09-04  Marek Polacek  <polacek@redhat.com>
2703
2704         PR c/81783
2705         * c-warn.c (warn_tautological_bitwise_comparison): New function.
2706         (warn_tautological_cmp): Call it.
2707
2708 2017-09-01  Boris Kolpackov  <boris@codesynthesis.com>
2709
2710         * c-opts.c (c_common_finish): Write dependency information even if
2711         there are errors.
2712
2713 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2714
2715         PR c/81887
2716         * c-pragma.c (omp_pragmas): Move "ordered" entry from here to ...
2717         (omp_pragmas_simd): ... here.
2718         * c-omp.c (c_finish_omp_ordered): If clauses isn't simd clause alone,
2719         create new clauses list containing just simd clause.
2720
2721 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2722             Alan Hayward  <alan.hayward@arm.com>
2723             David Sherwood  <david.sherwood@arm.com>
2724
2725         * c-attribs.c (vector_mode_valid_p) Fold GET_MODE_INNER call
2726         into scalar_mode_supported_p call.
2727         (handle_mode_attribute): Update call to scalar_mode_supported_p.
2728
2729 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2730             Alan Hayward  <alan.hayward@arm.com>
2731             David Sherwood  <david.sherwood@arm.com>
2732
2733         * c-common.c (c_common_fixed_point_type_for_size): Use opt_scalar_mode
2734         for the mode iterator.
2735
2736 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2737             Alan Hayward  <alan.hayward@arm.com>
2738             David Sherwood  <david.sherwood@arm.com>
2739
2740         * c-lex.c (interpret_fixed): Use SCALAR_TYPE_MODE.
2741         * c-common.c (c_build_vec_perm_expr): Likewise.
2742
2743 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2744             Alan Hayward  <alan.hayward@arm.com>
2745             David Sherwood  <david.sherwood@arm.com>
2746
2747         * c-common.c (c_common_type_for_mode): Use as_a <scalar_int_mode>.
2748
2749 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2750             Alan Hayward  <alan.hayward@arm.com>
2751             David Sherwood  <david.sherwood@arm.com>
2752
2753         * c-attribs.c (handle_mode_attribute): Check for a scalar_int_mode
2754         before calling targetm.addr_space.valid_pointer_mode.
2755
2756 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2757             Alan Hayward  <alan.hayward@arm.com>
2758             David Sherwood  <david.sherwood@arm.com>
2759
2760         * c-cppbuiltin.c (c_cpp_builtins): Use opt_scalar_float_mode.
2761
2762 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2763             Alan Hayward  <alan.hayward@arm.com>
2764             David Sherwood  <david.sherwood@arm.com>
2765
2766         * c-common.c (c_common_fixed_point_type_for_size): Use new mode
2767         iterators.
2768         * c-cppbuiltin.c (c_cpp_builtins): Likewise.
2769
2770 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2771             Alan Hayward  <alan.hayward@arm.com>
2772             David Sherwood  <david.sherwood@arm.com>
2773
2774         * c-cppbuiltin.c (mode_has_fma): Prefix mode names with E_ in
2775         case statements.
2776
2777 2017-08-29  Martin Liska  <mliska@suse.cz>
2778
2779         PR other/39851
2780         * c-common.c (parse_optimize_options): Add argument to function
2781         call.
2782         * c-pragma.c (handle_pragma_diagnostic): Likewise.
2783
2784 2017-08-24  David Malcolm  <dmalcolm@redhat.com>
2785
2786         * c-lex.c (interpret_float): Use token location
2787         when building an EXCESS_PRECISION_EXPR.
2788
2789 2017-08-21  David Malcolm  <dmalcolm@redhat.com>
2790
2791         * c-common.c (check_function_arguments): Add "arglogs" param; pass
2792         it to check_function_format.
2793         * c-common.h (check_function_arguments): Add vec<location_t> *
2794         param.
2795         (check_function_format): Likewise.
2796         * c-format.c (struct format_check_context): Add field "arglocs".
2797         (check_function_format): Add param "arglocs"; pass it to
2798         check_format_info.
2799         (check_format_info): Add param "arglocs"; use it to initialize
2800         new field of format_ctx.
2801         (check_format_arg): Pass format_ctx->arglocs to new param of
2802         check_format_info_main.
2803         (class argument_parser): New field "arglocs".
2804         (argument_parser::argument_parser): Add "arglocs_" param and use
2805         it to initialize new field.
2806         (argument_parser::check_argument_type): Pass new arglocs field to
2807         check_format_types.
2808         (check_format_info_main): Add param "arglocs", and use it when
2809         constructing arg_parser.
2810         (check_format_types): Add param "arglocs"; use it if non-NULL when
2811         !EXPR_HAS_LOCATION (cur_param) to get at location information.
2812
2813 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2814
2815         PR c/53037
2816         * c-attribs.c (handle_warn_if_not_aligned_attribute): New.
2817         (c_common_attribute_table): Add warn_if_not_aligned.
2818         (handle_aligned_attribute): Renamed to ...
2819         (common_handle_aligned_attribute): Remove argument, name, and add
2820         argument, warn_if_not_aligned.  Handle warn_if_not_aligned.
2821         (handle_aligned_attribute): New.
2822         * c.opt: Add -Wif-not-aligned and -Wpacked-not-aligned.
2823
2824 2017-08-14  Martin Sebor  <msebor@redhat.com>
2825
2826         PR c/81117
2827         * c-attribs.c (c_common_attribute_table): Add nonstring entry.
2828         (handle_nonstring_attribute): New function.
2829
2830 2017-08-14  Martin Sebor  <msebor@redhat.com>
2831
2832         PR c/81117
2833         * c-format.h (T89_G): New macro.
2834         * c-format.c (local_gcall_ptr_node): New variable.
2835         (init_dynamic_diag_info): Initialize it.
2836
2837 2017-08-11  Martin Liska  <mliska@suse.cz>
2838
2839         * c-opts.c (c_common_post_options): Replace ASM_OUTPUT_DEF with
2840         TARGET_SUPPORTS_ALIASES.
2841
2842 2017-08-10  David Malcolm  <dmalcolm@redhat.com>
2843
2844         * c-common.c (c_parse_error): Add rich_location * param, using it
2845         rather implicitly using input_location.
2846         * c-common.h (c_parse_error): Add rich_location * param.
2847
2848 2017-08-09  Marek Polacek  <polacek@redhat.com>
2849
2850         * c-common.c (pointer_int_sum): Use true/false instead of 1/0.
2851         (c_common_truthvalue_conversion): Likewise.
2852         * c-omp.c (c_finish_omp_atomic): Likewise.
2853         * c-common.h (build_binary_op): Update declaration.
2854
2855 2017-08-08  Martin Liska  <mliska@suse.cz>
2856
2857         * c-ada-spec.c: Include header files.
2858         * c-ubsan.c: Likewise.
2859         * c-warn.c: Likewise.
2860
2861 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
2862
2863         PR c/69389
2864         * c-omp.c (c_finish_omp_atomic): Handle atomics on bitfields.
2865
2866 2017-08-07  Eric Botcazou  <ebotcazou@adacore.com>
2867
2868         * c-ada-spec.c (has_nontrivial_methods): Test for FUNCTION_DECL.
2869         (print_ada_methods): Likewise.
2870         (print_ada_declaration): Likewise.
2871
2872 2017-08-07  Martin Liska  <mliska@suse.cz>
2873
2874         * array-notation-common.c: Add new includes.
2875         * c-format.c( handle_format_attribute): Canonicalize a format
2876         function name.
2877         * c-lex.c (c_common_has_attribute): Canonicalize name of an
2878         attribute.
2879         * c-pretty-print.c: Add new include.
2880
2881 2017-08-05  Eric Botcazou  <ebotcazou@adacore.com>
2882
2883         * c-ada-spec.c (has_static_fields): Look only into variables.
2884         (print_constructor): Add TYPE parameter and use it for the name.
2885         (print_destructor): Likewise.
2886         (print_ada_declaration): Adjust to new constructor/destructor names.
2887         Adjust calls to print_constructor and print_destructor.
2888         (print_ada_struct_decl): Do not test TREE_STATIC on FIELD_DECL.
2889         Look only into variables in the final loop.
2890
2891 2017-08-01  Eric Botcazou  <ebotcazou@adacore.com>
2892
2893         * c-ada-spec.c (has_static_fields): Look only into fields.
2894         (dump_generic_ada_node): Small tweak.
2895         (dump_nested_types): Look only into fields.
2896         (print_ada_declaration): Look only into methods.  Small tweak.
2897         (print_ada_struct_decl): Look only into fields.  Use DECL_VIRTUAL_P.
2898
2899 2017-08-01  Eric Botcazou  <ebotcazou@adacore.com>
2900
2901         * c-ada-spec.c (print_generic_ada_decl): Pass correctly-typed constant.
2902         (dump_ada_function_declaration): Likewise.
2903         (dump_generic_ada_node): Likewise.
2904         (print_ada_declaration): Add support for const-qualified variables.
2905
2906 2017-07-31  Martin Liska  <mliska@suse.cz>
2907
2908         PR sanitize/81530
2909         * c-ubsan.c (ubsan_maybe_instrument_array_ref):
2910         Guard condition with flag_sanitize_p also with current_function_decl
2911         non-null equality.
2912         (ubsan_maybe_instrument_reference_or_call): Likewise.
2913
2914 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
2915
2916         * c-format.c (asm_fprintf_char_table): Add 'z' to format_chars.
2917
2918 2017-07-29  Eric Botcazou  <ebotcazou@adacore.com>
2919
2920         * c-ada-spec.c (dump_generic_ada_node): Take into account signedness
2921         for enumeral types.
2922         (print_ada_declaration): Add missing guard for record types.
2923
2924 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
2925
2926         PR c/45784
2927         * c-omp.c (c_finish_omp_for): If the condition is wrapped in
2928         rhs of COMPOUND_EXPR(s), skip them and readd their lhs into
2929         new COMPOUND_EXPRs around the rhs of the comparison.
2930
2931 2017-07-27  Marek Polacek  <polacek@redhat.com>
2932
2933         PR c/81417
2934         * c-warn.c (warn_for_sign_compare): Tweak the warning message.  Print
2935         the types.
2936
2937 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
2938
2939         * c-attribs.c (c_common_attribute_table): Add noipa attribute.
2940         (handle_noipa_attribute): New function.
2941
2942 2017-07-07  Torsten Duwe  <duwe@suse.de>
2943
2944         * c-attribs.c (c_common_attribute_table): Add entry for
2945         "patchable_function_entry".
2946
2947 2017-07-20  Nathan Sidwell  <nathan@acm.org>
2948
2949         Remove TYPE_METHODS.
2950         * c-ada-spec.c (is_tagged_type, has_nontrivial_methods,
2951         dump_ada_template, print_ada_methods,
2952         print_ada_declaration): Member fns are on TYPE_FIELDS.
2953
2954 2017-07-18  Nathan Sidwell  <nathan@acm.org>
2955
2956         * c-warn.c (warn_for_memset): Use TYPE_{MIN,MAX}_VALUE.
2957
2958 2017-07-14  David Malcolm  <dmalcolm@redhat.com>
2959
2960         * c-common.c (try_to_locate_new_include_insertion_point): New
2961         function.
2962         (per_file_includes_t): New typedef.
2963         (added_includes_t): New typedef.
2964         (added_includes): New variable.
2965         (maybe_add_include_fixit): New function.
2966         * c-common.h (maybe_add_include_fixit): New decl.
2967
2968 2017-07-10  Martin Sebor  <msebor@redhat.com>
2969
2970         PR other/81345
2971         * c.opt (-Wstringop-overflow): Set defaults in LangEnabledBy.
2972
2973 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
2974
2975         * c-common.c (selftest::c_family_tests): New.
2976         * c-common.h (selftest::run_c_tests): Move decl to c/c-lang.h.
2977         (selftest::c_family_tests): New decl.
2978
2979 2017-07-04  Marek Polacek  <polacek@redhat.com>
2980
2981         PR c/81231
2982         * c-common.c (sync_resolve_size): Give error for pointers to incomplete
2983         types.
2984
2985 2017-07-04  Marek Polacek  <polacek@redhat.com>
2986
2987         * c-warn.c (warn_if_unused_value): Remove WITH_CLEANUP_EXPR handling.
2988
2989 2017-06-28  Martin Liska  <mliska@suse.cz>
2990
2991         PR ipa/81128
2992         * c-attribs.c (handle_alias_ifunc_attribute): Append ifunc alias
2993         to a function declaration.
2994
2995 2017-06-28  Martin Liska  <mliska@suse.cz>
2996
2997         PR driver/79659
2998         * c.opt: Add IntegerRange to various options.
2999
3000 2017-06-26  Marek Polacek  <polacek@redhat.com>
3001
3002         PR c/80116
3003         * c-common.h (warn_for_multistatement_macros): Declare.
3004         * c-warn.c: Include "c-family/c-indentation.h".
3005         (warn_for_multistatement_macros): New function.
3006         * c.opt (Wmultistatement-macros): New option.
3007         * c-indentation.c (guard_tinfo_to_string): No longer static.
3008         Change the parameter type to "enum rid".  Handle RID_SWITCH.
3009         * c-indentation.h (guard_tinfo_to_string): Declare.
3010
3011 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
3012
3013         * c-common.c (c_common_nodes_and_builtins): Use builtin_structptr_types.
3014
3015 2017-06-15  Martin Sebor  <msebor@redhat.com>
3016
3017         PR c++/80560
3018         * c.opt (-Wclass-memaccess): New option.
3019
3020 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
3021
3022         * c-opts.c (c_common_finish): Handle '-' special value to -MF.
3023
3024 2017-06-13  Marek Polacek  <polacek@redhat.com>
3025
3026         PR objc/80949
3027         * c-warn.c (do_warn_duplicated_branches): Return if any of the
3028         branches is null.
3029
3030 2017-06-13  Martin Liska  <mliska@suse.cz>
3031
3032         PR sanitize/78204
3033         * c-attribs.c (add_no_sanitize_value): New function.
3034         (handle_no_sanitize_attribute): Likewise.
3035         (handle_no_sanitize_address_attribute): Use the function.
3036         (handle_no_sanitize_thread_attribute): New function.
3037         (handle_no_address_safety_analysis_attribute): Use
3038         add_no_sanitize_value.
3039         (handle_no_sanitize_undefined_attribute): Likewise.
3040         * c-common.h: Declare new functions.
3041         * c-ubsan.c (ubsan_instrument_division): Use sanitize_flags_p.
3042         (ubsan_instrument_shift): Likewise.
3043         (ubsan_instrument_bounds): Likewise.
3044         (ubsan_maybe_instrument_array_ref): Likewise.
3045         (ubsan_maybe_instrument_reference_or_call): Likewise.
3046
3047 2017-06-11  Jason Merrill  <jason@redhat.com>
3048
3049         * c-ada-spec.c, c-pragma.c: Use id_equal.
3050
3051 2017-06-04  Marek Polacek  <polacek@redhat.com>
3052
3053         PR c/80919
3054         * c-format.c (matching_type_p): Return false if any of the types
3055         requires structural equality.
3056
3057 2017-06-02  Martin Sebor  <msebor@redhat.com>
3058
3059         PR c/80892
3060         * c-warn.c (conversion_warning): Use -Wconversion for integer
3061         conversion and -Wfloat-conversion for floating one.
3062
3063 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3064
3065         * c.opt (Wsizeof-pointer-div): New warning option.
3066
3067 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
3068
3069         * c.opt (Wcatch-value): New shortcut for Wcatch-value=1.
3070         (Wcatch-value=1): Enable by -Wall.
3071
3072 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
3073
3074         * c-format.c (gcc_cxxdiag_char_table): Add 'H' and 'I' to
3075         format_chars.
3076         * c.opt (fdiagnostics-show-template-tree): New option.
3077         (felide-type): New option.
3078
3079 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
3080
3081         * c.opt (Wcatch-value=): New C++ warning flag.
3082
3083 2017-05-24  Nathan Sidwell  <nathan@acm.org>
3084
3085         * c=common.c (field_decl_cmp, resort_field_decl_cmp): Adjust T
3086         const casts to avoid warning.
3087
3088 2017-05-24  Martin Sebor  <msebor@redhat.com>
3089
3090         PR c/80731
3091         * c-common.h (unsafe_conversion_p): Add a function argument.
3092         * c-common.c (unsafe_conversion_p): Same.
3093         Add type names and values to diagnostics.
3094         (scalar_to_vector): Adjust.
3095         * c-warn.c (constant_expression_error): Add a function argument.
3096         Add type names and values to diagnostics.
3097         (conversion_warning): Add a function argument.
3098         Add type names and values to diagnostics.
3099         (warnings_for_convert_and_check): Same.
3100
3101 2017-05-19  Jason Merrill  <jason@redhat.com>
3102
3103         * c-warn.c (match_case_to_enum_1): Don't warn about enums with no
3104         enumerators.
3105
3106 2017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3107
3108         * c-format.c (locus): Move out of function scope,
3109         add GTY attribute.
3110
3111 2017-05-19  Nathan Sidwell  <nathan@acm.org>
3112
3113         * c-opts.c (class_dump_file, class_dump_flags): Delete.
3114         (c_common_parse_file): Remove class dump handling.
3115         (get_dump_info): Likewise.
3116
3117 2017-05-19  Richard Biener  <rguenther@suse.de>
3118
3119         PR c++/80593
3120         * c-warn.c (strict_aliasing_warning): Do not warn for accesses
3121         to alias-set zero memory.
3122
3123 2017-05-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3124
3125         * c-format.c (local_tree_type_node): Add GTY attribute.
3126
3127 2017-05-18  Marek Polacek  <polacek@redhat.com>
3128
3129         * c-common.c (c_common_type_for_size): Use NULL_TREE instead of 0.
3130         (c_common_fixed_point_type_for_size): Likewise.
3131         (c_common_type_for_mode): Likewise.
3132         (shorten_compare): Likewise.
3133         (c_promoting_integer_type_p): Use false/true instead of 0/1.
3134         * c-pragma.c (maybe_apply_renaming_pragma): Use NULL_TREE instead of 0.
3135
3136 2017-05-18  Marek Polacek  <polacek@redhat.com>
3137
3138         * c-common.c (self_promoting_args_p): Change the return type to bool.
3139         Use false/true instead of 0/1.
3140         * c-common.h (self_promoting_args_p): Update.
3141
3142 2017-05-17  Marek Polacek  <polacek@redhat.com>
3143
3144         * c-common.c: Use NULL_TREE instead of 0 where appropriate.
3145         * c-warn.c: Likewise.
3146
3147 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
3148
3149         Implement new C++ intrinsics __is_assignable and __is_constructible.
3150         * c-common.c (__is_assignable, __is_constructible): New.
3151         * c-common.h (RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE): Likewise.
3152
3153 2017-05-17  Martin Liska  <mliska@suse.cz>
3154
3155         * c-common.h: Introduce dump_flags_t type and
3156         use it instead of int type.
3157         * c-gimplify.c (c_genericize): Likewise.
3158         * c-opts.c: Likewise.
3159
3160 2017-05-17  Marek Polacek  <polacek@redhat.com>
3161
3162         * c-common.c (c_save_expr): Remove.
3163         (c_common_truthvalue_conversion): Remove a call to c_save_expr.
3164         * c-common.h (c_save_expr): Remove declaration.
3165
3166 2017-05-09  Volker Reichelt  <v.reichelt@netcologne.de>
3167
3168         PR c/35441
3169         * c-pretty-print.c (c_pretty_printer::expression): Handle MAX_EXPR,
3170         MIN_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, LROTATE_EXPR, RROTATE_EXPR.
3171         (c_pretty_printer::postfix_expression): Handle MAX_EXPR, MIN_EXPR.
3172         (c_pretty_printer::multiplicative_expression): Handle EXACT_DIV_EXPR,
3173         RDIV_EXPR.
3174         (pp_c_shift_expression): Handle LROTATE_EXPR, RROTATE_EXPR.
3175
3176 2017-05-09  Marek Polacek  <polacek@redhat.com>
3177
3178         PR c/80525
3179         * c-warn.c (unwrap_c_maybe_const): New.
3180         (warn_logical_operator): Call it.
3181
3182 2017-05-09  Nathan Sidwell  <nathan@acm.org>
3183
3184         * c-common.c (c_register_builtin_type): Use pushdecl lang_hook.
3185         * c-common.h (pushdecl_top_level, pushdecl): Don't declare here.
3186
3187 2017-05-08  Martin Sebor  <msebor@redhat.com>
3188
3189         PR translation/80280
3190         * c-format.h (struct format_flag_spec): Add new member.
3191         (T89_T): New macro.
3192         * c-format.c (local_tree_type_node): New global.
3193         (printf_flag_specs, asm_fprintf_flag_spec): Initialize new data.
3194         (gcc_diag_flag_specs, scanf_flag_specs, strftime_flag_specs): Ditto.
3195         (strfmon_flag_specs): Likewise.
3196         (gcc_diag_char_table, gcc_cdiag_char_table): Split up specifiers
3197         with distinct quoting properties.
3198         (gcc_tdiag_char_table, gcc_cxxdiag_char_table): Same.
3199         (flag_chars_t::validate): Add argument and handle bad quoting.
3200         (check_format_info_main): Handle quoting problems.
3201         (init_dynamic_diag_info): Simplify.
3202
3203 2017-05-08  Jason Merrill  <jason@redhat.com>
3204
3205         * c-opts.c (c_common_post_options): Update defaults for
3206         flag_abi_version and flag_abi_compat_version.
3207
3208 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3209
3210         * c-common.c (c_cpp_error): Replace report_diagnostic
3211         with diagnostic_report_diagnostic.
3212
3213 2017-05-04  Martin Sebor  <msebor@redhat.com>
3214
3215         PR translation/80280
3216         * c-attribs.c (handle_alias_ifunc_attribute): Quote a %D directive.
3217         (handle_weakref_attribute): Same.
3218
3219 2017-05-03  Nathan Sidwell  <nathan@acm.org>
3220
3221         Canonicalize canonical type hashing
3222         * c-common.c (complete_array_type): Use type_hash_canon.
3223
3224 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
3225
3226         PR c++/80038
3227         * c-common.h (cilk_gimplify_call_params_in_spawned_fn): Remove
3228         prototype.
3229         (cilk_install_body_pedigree_operations): Likewise.
3230         * cilk.c (cilk_set_spawn_marker): Mark functions that should be
3231         detatched.
3232         (cilk_gimplify_call_params_in_spawned_fn): Remove.
3233         (cilk_install_body_pedigree_operations): Likewise.
3234         (gimplify_cilk_spawn): Add EXPR_STMT and CLEANUP_POINT_EXPR
3235         unwrapping.
3236
3237 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
3238
3239         PR c++/80534
3240         * c-common.c (complete_array_type): Only hash TYPE_TYPELESS_STORAGE
3241         flag on non-aggregate element types.
3242
3243 2017-04-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3244
3245         * c-common.c (c_type_hasher, type_hash_table): Remove.
3246         (c_common_get_alias_set): Remove unreachable code.
3247         * c-opts.c (c_common_post_options): Make sure cc1 takes only one file.
3248
3249 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
3250
3251         * c.opt (Wextra-semi): New C++ warning flag.
3252
3253 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
3254
3255         PR middle-end/80423
3256         * c-common.c (complete_array_type): Preserve TYPE_TYPELESS_STORAGE.
3257
3258 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
3259
3260         PR middle-end/79788
3261         PR middle-end/80375
3262         * c-common.c (c_common_type_for_mode): Don't handle
3263         widest_*_literal_type_node here.
3264         c_common_signed_or_unsigned_type): Likewise.
3265         (c_common_nodes_and_builtins): Set widest_*_literal_type_node
3266         to *intTI_type_node or *intDI_type_node depending on whether
3267         TImode is supported by the target or not.
3268
3269 2017-04-10  Martin Liska  <mliska@suse.cz>
3270
3271         PR sanitizer/80350
3272         * c-ubsan.c (ubsan_instrument_shift): Evaluate RHS before
3273         doing an UBSAN check.
3274
3275 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
3276
3277         * c-warn.c (do_warn_double_promotion): Fix typo in comment.
3278
3279 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
3280
3281         PR c++/79572
3282         * c-ubsan.h (ubsan_maybe_instrument_reference): Change argument to
3283         tree *.
3284         * c-ubsan.c (ubsan_maybe_instrument_reference): Likewise.  Handle
3285         not just NOP_EXPR to REFERENCE_TYPE, but also INTEGER_CST with
3286         REFERENCE_TYPE.
3287
3288 2017-03-31  David Malcolm  <dmalcolm@redhat.com>
3289
3290         PR documentation/78732
3291         * c.opt (Wendif-labels): Fix description to refer to
3292         #else rather than #elif.
3293
3294 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
3295
3296         PR libstdc++/80251
3297         * c-common.h (enum rid): Add RID_IS_AGGREGATE.
3298         * c-common.c (c_common_reswords): Add __is_aggregate trait.
3299
3300 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
3301
3302         PR middle-end/80162
3303         * c-common.c (c_common_mark_addressable_vec): Don't set
3304         TREE_ADDRESSABLE on DECL_HARD_REGISTER.
3305
3306 2017-03-21  Martin Sebor  <msebor@redhat.com>
3307
3308         PR c++/79548
3309         * c-common.c (set_underlying_type): Mark type used only when
3310         original del is declared unused.
3311
3312 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3313
3314         PR translation/79848
3315         * c-format.c (check_format_string): Simplify uses of "%<%s%>" to
3316         "%qs".
3317
3318 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3319
3320         PR c/79921
3321         * c-indentation.c (warn_for_misleading_indentation): Remove parens
3322         from inform's message, so that xgettext can locate it.
3323
3324 2017-03-09  Marek Polacek  <polacek@redhat.com>
3325
3326         PR c++/79962
3327         PR c++/79984
3328         * c-attribs.c (handle_nonnull_attribute): Save the result of default
3329         conversion to the attribute list.
3330
3331 2017-03-09  Martin Liska  <mliska@suse.cz>
3332
3333         * c-ada-spec.c (macro_length): Increment value instead of a pointer.
3334
3335 2017-03-03  Jason Merrill  <jason@redhat.com>
3336
3337         * c.opt (Wnoexcept-type): New.
3338
3339 2017-03-02  Richard Biener  <rguenther@suse.de>
3340
3341         PR c/79756
3342         * c-common.c (c_common_mark_addressable_vec): Look through
3343         C_MAYBE_CONST_EXPR.
3344
3345 2017-02-28  Martin Liska  <mliska@suse.cz>
3346
3347         * c.opt: Replace space with tabular for options of <number>
3348         type.
3349
3350 2017-02-28  Martin Liska  <mliska@suse.cz>
3351
3352         * c.opt: Fix --help=option -Q for options which are of
3353         an enum type.
3354
3355 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
3356
3357         PR c++/79588
3358         * c-common.c (check_function_restrict): New function.
3359         (check_function_arguments): Add FNDECL argument.  Call
3360         check_function_restrict if -Wrestrict.
3361         * c-warn.c (warn_for_restrict): Remove ARGS argument, add ARGARRAY
3362         and NARGS.  Use auto_vec for ARG_POSITIONS, simplify.
3363         * c-common.h (check_function_arguments): Add FNDECL argument.
3364         (warn_for_restrict): Remove ARGS argument, add ARGARRAY and NARGS.
3365
3366 2017-02-24  Eric Botcazou  <ebotcazou@adacore.com>
3367
3368         * c-ada-spec.c (dump_ada_function_declaration): Add comment about the
3369         treatment of parameters with pointer-to-tagged type and tidy up.
3370         (print_ada_methods): Remove the special treatment of C++ static member
3371         functions.
3372
3373 2017-02-22  Martin Liska  <mliska@suse.cz>
3374
3375         * c.opt: Replace inequality signs with square brackets
3376         for -Wnornalized.
3377
3378 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3379
3380         PR c++/79641
3381         * c-attribs.c (handle_mode_attribute): Use build_qualified_type to
3382         preserve quals.
3383
3384 2017-02-17  Joseph Myers  <joseph@codesourcery.com>
3385
3386         * c-cppbuiltin.c (builtin_define_float_constants): Define
3387         __DECIMAL_DIG__ to the value for long double.
3388
3389 2017-02-15  Marek Polacek  <polacek@redhat.com>
3390
3391         PR c/79515
3392         * c-warn.c (do_warn_double_promotion): Don't warn if an invalid
3393         conversion has occured.
3394
3395 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
3396
3397         * c-common.c (c_common_reswords): Add "__RTL".
3398         * c-common.h (enum rid): Add RID_RTL.
3399
3400 2017-01-20  Marek Polacek  <polacek@redhat.com>
3401
3402         PR c/64279
3403         * c-common.h (do_warn_duplicated_branches_r): Declare.
3404         * c-gimplify.c (c_genericize): Walk the function tree calling
3405         do_warn_duplicated_branches_r.
3406         * c-warn.c (expr_from_macro_expansion_r): New.
3407         (do_warn_duplicated_branches): New.
3408         (do_warn_duplicated_branches_r): New.
3409         * c.opt (Wduplicated-branches): New option.
3410
3411 2017-01-17  David Malcolm  <dmalcolm@redhat.com>
3412
3413         PR c++/71497
3414         * c-indentation.c (warn_for_misleading_indentation): Use the past
3415         subjunctive in the note.
3416
3417 2017-01-17  Aldy Hernandez  <aldyh@redhat.com>
3418
3419         PR c/79116
3420         * array-notation-common.c (cilkplus_extract_an_triplets): Convert
3421         start type to integer_type.
3422
3423 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
3424
3425         PR driver/49726
3426         * c.opt (gen-decls): Add Driver flag.
3427
3428 2017-01-16  Paolo Carlini  <paolo.carlini@oracle.com>
3429
3430         Revert:
3431         2017-01-16  Paolo Carlini  <paolo.carlini@oracle.com>
3432
3433         PR c++/71737
3434         * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE.
3435
3436 2017-01-16  Paolo Carlini  <paolo.carlini@oracle.com>
3437
3438         PR c++/71737
3439         * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE.
3440
3441 2017-01-12  Martin Sebor  <msebor@redhat.com>
3442
3443         (-Wformat-overflow): ...to this.
3444
3445 2017-01-11  Martin Sebor  <msebor@redhat.com>
3446
3447         PR c/78768
3448         * c.opt (-Walloca-larger-than, -Wformat-length, -Wformat-truncation):
3449         Also enable for LTO.
3450
3451 2017-01-10  Jason Merrill  <jason@redhat.com>
3452
3453         Implement P0195R2, C++17 variadic using.
3454         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_variadic_using.
3455
3456 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
3457
3458         PR translation/79019
3459         PR translation/79020
3460         * c.opt (Wnormalized=): Fix typo in description.
3461
3462 2017-01-08  Martin Sebor  <msebor@redhat.com>
3463
3464         PR middle-end/77708
3465         * c.opt (-Wformat-truncation): New option.
3466
3467 2017-01-06  Alexandre Oliva  <aoliva@redhat.com>
3468
3469         * c-pretty-print.c (pp_c_tree_decl_identifier): Convert 16-bit
3470         value to unsigned short to fit in 4 hex digits without
3471         warnings.
3472
3473 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3474
3475         * c.opt (fsso-struct): Add 'native' value.
3476
3477 2017-01-05  Martin Liska  <mliska@suse.cz>
3478
3479         PR pch/78970
3480         * c-opts.c (c_common_post_options): Reject '-' filename for a precompiled
3481         header.
3482
3483 2017-01-04  Marek Polacek  <polacek@redhat.com>
3484
3485         PR c++/64767
3486         * c.opt (Wpointer-compare): New option.
3487
3488 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
3489
3490         PR driver/78957
3491         * c.opt (fsso-struct=): Add RejectNegative.
3492
3493 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
3494
3495         Update copyright years.
3496
3497 2016-12-29  Martin Liska  <mliska@suse.cz>
3498
3499         PR c/78933
3500         * c.opt (strong-eval-order): Add RejectNegative keyword.
3501
3502 2016-12-22  Jason Merrill  <jason@redhat.com>
3503
3504         Implement P0522R0, matching of template template arguments.
3505         * c-cppbuiltin.c (c_cpp_builtins): Define
3506         __cpp_template_template_args.
3507
3508 2016-12-21  Jakub Jelinek  <jakub@redhat.com>
3509
3510         PR bootstrap/78817
3511         * c-common.c (struct nonnull_arg_ctx): New type.
3512         (check_function_nonnull): Return bool instead of void.  Use
3513         nonnull_arg_ctx as context rather than just location_t.
3514         (check_nonnull_arg): Adjust for the new context type, set
3515         warned_p to true if a warning has been diagnosed.
3516         (check_function_arguments): Return bool instead of void.
3517         * c-common.h (check_function_arguments): Adjust prototype.
3518
3519 2016-12-21  Jason Merrill  <jason@redhat.com>
3520
3521         * c.opt (-fnew-ttp-matching): New flag.
3522         * c-opts.c (c_common_post_options): Default on if -std=c++1z.
3523
3524 2016-12-14  Martin Jambor  <mjambor@suse.cz>
3525
3526         * c-omp.c: Include omp-general.h instead of omp-low.h.
3527         (c_finish_oacc_wait): Adjusted call to find_omp_clause to use its new
3528         name.
3529
3530 2016-12-14  Martin Sebor  <msebor@redhat.com>
3531
3532         PR c/17308
3533         * c-common.c (check_nonnull_arg): Disable when optimization
3534         is enabled.
3535
3536 2016-12-12  Marek Polacek  <polacek@redhat.com>
3537
3538         PR c++/78647
3539         * c-common.c (attribute_fallthrough_p): Return false for
3540         error_mark_node.
3541
3542 2016-12-08  Martin Sebor  <msebor@redhat.com>
3543
3544         PR c/78284
3545         * c.opt (-Walloc-zero, -Walloc-size-larger-than): New options.
3546
3547 2016-12-08  Martin Sebor  <msebor@redhat.com>
3548
3549         PR c/78165
3550         * c-pretty-print (pp_c_integer_constant): Avoid formatting type
3551         suffix.
3552
3553 2016-12-07  Martin Sebor  <msebor@redhat.com>
3554
3555         PR c/53562
3556         PR middle-end/77784
3557         PR middle-end/78149
3558         PR middle-end/78138
3559         * c.opt (-Wstringop-overflow): New option.
3560
3561 2016-12-02  Maxim Ostapenko  <m.ostapenko@samsung.com>
3562
3563         * c-attribs.c (asan odr indicator): New attribute.
3564         (handle_asan_odr_indicator_attribute): New function.
3565
3566 2016-11-26  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3567
3568         * c-common.c (c_common_nodes_and_builtins): Remove initialization of
3569         ptrdiff_type_node;
3570
3571 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3572
3573         * c-common.c (excess_precision_mode_join): New.
3574         (c_ts18661_flt_eval_method): New.
3575         (c_c11_flt_eval_method): Likewise.
3576         (c_flt_eval_method): Likewise.
3577         * c-common.h (excess_precision_mode_join): New.
3578         (c_flt_eval_method): Likewise.
3579         * c-cppbuiltin.c (c_cpp_flt_eval_method_iec_559): New.
3580         (cpp_iec_559_value): Call it.
3581         (c_cpp_builtins): Modify logic for __LIBGCC_*_EXCESS_PRECISION__,
3582         call c_flt_eval_method to set __FLT_EVAL_METHOD__ and
3583         __FLT_EVAL_METHOD_TS_18661_3__.
3584
3585 2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>
3586
3587         * c-opts.c (c_common_post_options): Add logic to handle the default
3588         case for -fpermitted-flt-eval-methods.
3589
3590 2016-11-23  Paolo Bonzini  <bonzini@gnu.org>
3591
3592         * c.opt (Wexpansion-to-defined): New.
3593
3594 2016-11-23  Jakub Jelinek  <jakub@redhat.com>
3595
3596         PR target/78451
3597         * c-pragma.c (handle_pragma_target): Don't replace
3598         current_target_pragma, but chainon the new args to the current one.
3599
3600 2016-11-22  Nathan Sidwell  <nathan@acm.org>
3601
3602         * array-notation-common.c (cilkplus_extract_an_trplets): Fix
3603         indentation and formatting.
3604
3605 2016-11-21  Martin Sebor  <msebor@redhat.com>
3606
3607         * c.opt (-fprintf-return-value): Enable by default.
3608
3609 2016-11-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3610
3611         PR c++/71973
3612         * c.opt (-Wbuiltin-declaration-mismatch): New warning.
3613         * c-common.c (c_common_nodes_and_builtins): Initialize
3614         const_tm_ptr_type_node.
3615
3616 2016-11-16  Marek Polacek  <polacek@redhat.com>
3617
3618         PR c/78285
3619         * c-common.c (c_add_case_label): Turn error_at calls into inform.
3620
3621 2016-11-14  Jakub Jelinek  <jakub@redhat.com>
3622
3623         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_structured_bindings.
3624
3625 2016-11-14  Prasad Ghangal  <prasad.ghangal@gmail.com>
3626             Richard Biener  <rguenther@suse.de>
3627
3628         * c-common.h (c_common_resword): Add RID_GIMPLE, RID_PHI types.
3629         * c-common.h (enum rid): Add RID_GIMPLE, RID_PHI.
3630         * c.opt (fgimple): New option.
3631
3632 2016-11-13  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3633
3634         PR c/35503
3635         * c-common.h (warn_for_restrict): Declare.
3636         * c-warn.c: Include gcc-rich-location.h.
3637         (warn_for_restrict): New function.
3638         * c-format.c (gcc_tdiag_char_table): Add entry for "Z" specifier.
3639         (gcc_cdiag_char_table): Likewise.
3640         (gcc_cxxdiag_char_table): Likewise.
3641         * c.opt (Wrestrict): New option.
3642
3643 2016-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3644
3645         * c-ada-spec.c (print_ada_declaration): For typedef declarations, look
3646         for nested types only if the type is a record or union and dump SLOC.
3647
3648 2016-11-09  Jason Merrill  <jason@redhat.com>
3649
3650         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_template_auto.
3651
3652 2016-11-09  Jakub Jelinek  <jakub@redhat.com>
3653
3654         * c-ubsan.c (ubsan_instrument_shift): Handle split
3655         -fsanitize=shift-base and -fsanitize=shift-exponent.
3656
3657 2016-11-07  Jason Merrill  <jason@redhat.com>
3658
3659         * c.opt (Wc++1z-compat): New.
3660         * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_noexcept_function_type.
3661
3662 2016-11-07  Martin Liska  <mliska@suse.cz>
3663
3664         * c-warn.c (warn_for_unused_label): Save all labels used
3665         in goto or in &label.
3666
3667 2016-11-03  Jason Merrill  <jason@redhat.com>
3668
3669         * c-cppbuiltin.c (c_cpp_builtins): Correct
3670         __cpp_inheriting_constructors.
3671
3672 2016-11-01  Jason Merrill  <jason@redhat.com>
3673
3674         * c-cppbuiltin.c (c_cpp_builtins): Update
3675         __cpp_inheriting_constructors.
3676
3677         * c.opt (-fnew-inheriting-ctors): New.
3678         * c-opts.c: Default to on for ABI 11+.
3679
3680 2016-10-31  Jakub Jelinek  <jakub@redhat.com>
3681
3682         PR c++/77948
3683         * c.opt (fext-numeric-literals): Add Var and Init.
3684         * c-opts.c (c_common_handle_option): Don't clear
3685         cpp_opts->ext_numeric_literals for -std=c++{11,14,1z}.
3686         (c_common_post_options): Clear it here if not set
3687         explicitly.
3688
3689 2016-10-28  Aldy Hernandez  <aldyh@redhat.com>
3690
3691         PR debug/77773
3692         * c-pretty-print.c (simple_type_specifier): Do not dereference `t'
3693         if NULL.
3694
3695 2016-10-25  Jakub Jelinek  <jakub@redhat.com>
3696
3697         * c-common.h (enum rid): Add RID_BUILTIN_LAUNDER.
3698         * c-common.c (c_common_reswords): Add __builtin_launder.
3699
3700 2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3701
3702         * c-common.c (c_common_truthvalue_conversion): Warn for
3703         multiplications in boolean context.  Fix the quoting of '<<' and '<'
3704         in the shift warning.
3705
3706 2016-10-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3707
3708         * c-common.c (c_common_truthvalue_conversion): Fix the comment.
3709
3710 2016-10-20  Jason Merrill  <jason@redhat.com>
3711
3712         * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_concepts value.
3713
3714 2016-10-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3715
3716         * c-common.c (c_common_truthvalue_conversion): Warn only for signed
3717         integer shift ops in boolean context.
3718
3719 2016-10-18  Aldy Hernandez  <aldyh@redhat.com>
3720
3721         * c.opt (Walloca): New.
3722         (Walloca-larger-than=): New.
3723         (Wvla-larger-than=): New.
3724
3725 2016-10-17  Marek Polacek  <polacek@redhat.com>
3726
3727         * c-warn.c (find_array_ref_with_const_idx_r): Remove parameter names.
3728         Return immediately when finding a match.
3729         (warn_tautological_cmp): Remove a boolean variable that is no longer
3730         needed.
3731
3732 2016-10-17  Marek Polacek  <polacek@redhat.com>
3733
3734         * c-attribs.c: New file.
3735         * c-common.c: Move attributes handling to c-attribs.c.
3736         (get_nonnull_operand): No longer static.
3737         * c-common.h: Move the declarations from c-attribs.c to its own section.
3738
3739 2016-10-14  Jason Merrill  <jason@redhat.com>
3740
3741         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_aggregate_bases
3742         and __cpp_deduction_guides.
3743
3744 2016-10-13  Jason Merrill  <jason@redhat.com>
3745
3746         * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_inline_variables.
3747
3748 2016-10-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3749
3750         * c-cppbuiltin.c: Include memmodel.h.
3751         * c-opts.c: Likewise.
3752         * c-pragma.c: Likewise.
3753         * c-warn.c: Likewise.
3754
3755 2016-10-12  Jakub Jelinek  <jakub@redhat.com>
3756
3757         * c.opt (Wextra): Add as C/C++/ObjC/ObjC++ option.
3758         (Wimplicit-fallthrough=): Enable for these languages by -Wextra.
3759         * c-opts.c (sanitize_cpp_opts): Initialize
3760         cpp_opts->cpp_warn_implicit_fallthrough.
3761
3762 2016-10-11  Marek Polacek  <polacek@redhat.com>
3763
3764         * c-common.c (warning_candidate_p): Change the return type to bool
3765         and return true/false instead of 1/0.
3766         (vector_mode_valid_p): Likewise.
3767
3768 2016-10-11  Marek Polacek  <polacek@redhat.com>
3769
3770         * c-common.c (fold_for_warn): No longer static.
3771         (bool_promoted_to_int_p): Likewise.
3772         (c_common_get_narrower): Likewise.
3773         (constant_expression_warning): Move to c-warn.c.
3774         (constant_expression_error): Likewise.
3775         (overflow_warning): Likewise.
3776         (warn_logical_operator): Likewise.
3777         (find_array_ref_with_const_idx_r): Likewise.
3778         (warn_tautological_cmp): Likewise.
3779         (expr_has_boolean_operands_p): Likewise.
3780         (warn_logical_not_parentheses): Likewise.
3781         (warn_if_unused_value): Likewise.
3782         (strict_aliasing_warning): Likewise.
3783         (sizeof_pointer_memaccess_warning): Likewise.
3784         (check_main_parameter_types): Likewise.
3785         (conversion_warning): Likewise.
3786         (warnings_for_convert_and_check): Likewise.
3787         (match_case_to_enum_1): Likewise.
3788         (match_case_to_enum): Likewise.
3789         (c_do_switch_warnings): Likewise.
3790         (warn_for_omitted_condop): Likewise.
3791         (readonly_error): Likewise.
3792         (lvalue_error): Likewise.
3793         (invalid_indirection_error): Likewise.
3794         (warn_array_subscript_with_type_char): Likewise.
3795         (warn_about_parentheses): Likewise.
3796         (warn_for_unused_label): Likewise.
3797         (warn_for_div_by_zero): Likewise.
3798         (warn_for_memset): Likewise.
3799         (warn_for_sign_compare): Likewise.
3800         (do_warn_double_promotion): Likewise.
3801         (do_warn_unused_parameter): Likewise.
3802         (record_locally_defined_typedef): Likewise.
3803         (maybe_record_typedef_use): Likewise.
3804         (maybe_warn_unused_local_typedefs): Likewise.
3805         (maybe_warn_bool_compare): Likewise.
3806         (maybe_warn_shift_overflow): Likewise.
3807         (warn_duplicated_cond_add_or_warn): Likewise.
3808         (diagnose_mismatched_attributes): Likewise.
3809         * c-common.h: Move the declarations from c-warn.c to its own section.
3810         * c-warn.c: New file.
3811
3812 2016-10-08  Jason Merrill  <jason@redhat.com>
3813
3814         * c-common.c (c_common_truthvalue_conversion): Don't distribute
3815         into COND_EXPR in C++.
3816
3817 2016-10-08  Jakub Jelinek  <jakub@redhat.com>
3818
3819         * c-lex.c (c_lex_with_flags) <case CPP_COMMENT>: For CPP_COMMENT
3820         token with PREV_FALLTHROUGH, skip all following CPP_PADDING and
3821         CPP_COMMENT tokens and set add_flags to PREV_FALLTHROUGH afterwards.
3822
3823 2016-10-07  Jakub Jelinek  <jakub@redhat.com>
3824
3825         Implement LWG2296 helper intrinsic
3826         * c-common.h (enum rid): Add RID_ADDRESSOF.
3827         * c-common.c (c_common_reswords): Add __builtin_addressof.
3828
3829 2016-10-07  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3830
3831         PR c++/77700
3832         * c-common.c (c_common_truthvalue_conversion): Warn also for
3833         suspicious enum values in boolean context.
3834
3835 2016-10-06  Jakub Jelinek  <jakub@redhat.com>
3836
3837         Implement P0258R2 - helper for C++17
3838         std::has_unique_object_representations trait
3839         * c-common.h (enum rid): Add RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
3840         * c-common.c (c_common_reswords): Add
3841         __has_unique_object_representations.
3842
3843 2016-10-05  Jakub Jelinek  <jakub@redhat.com>
3844
3845         PR sanitizer/66343
3846         * c-ubsan.c (ubsan_instrument_return): Don't call
3847         initialize_sanitizer_builtins here.
3848
3849 2016-10-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3850
3851         * c-common.c (c_common_truthvalue_conversion): Warn also for suspicious
3852         conditional expression in boolean context when only one arm is
3853         non-boolean.
3854
3855 2016-10-05  Jakub Jelinek  <jakub@redhat.com>
3856
3857         PR sanitizer/77823
3858         * c-ubsan.c (ubsan_instrument_shift): Return NULL_TREE if type0
3859         is not integral.
3860
3861         * c-common.c (c_common_reswords): Update comment for C++11.
3862
3863 2016-10-04  Jason Merrill  <jason@redhat.com>
3864
3865         * c-common.c (make_tree_vector_from_ctor): New.
3866         * c-common.h: Declare it.
3867
3868 2016-10-04  Jakub Jelinek  <jakub@redhat.com>
3869
3870         * c-cppbuiltin.c (c_cpp_builtins): Don't define
3871         __LIBGCC_JCR_SECTION_NAME__.
3872
3873 2016-10-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3874
3875         * c-common.c (c_common_truthvalue_conversion): Warn for suspicious
3876         left shift in boolean context.
3877
3878 2016-09-29  Jakub Jelinek  <jakub@redhat.com>
3879
3880         Implement P0001R1 - C++17 removal of register storage class specifier
3881         * c.opt (Wregister): New warning.
3882         * c-opts.c (c_common_post_options): Enable -Wregister by
3883         default for C++17.
3884
3885 2016-09-29  James Greenhalgh  <james.greenhalgh@arm.com>
3886
3887         * c-opts.c (c_common_post_options): Remove special case for
3888         TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard
3889         in C++.
3890
3891 2016-09-27  Jakub Jelinek  <jakub@redhat.com>
3892
3893         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_capture_star_this for
3894         -std=c++1z.
3895
3896         * c-ada-spec.c (print_ada_declaration): Remove break after return.
3897
3898 2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3899
3900         * c-common.c: Include memmodel.h.
3901
3902 2016-09-26  Marek Polacek  <polacek@redhat.com>
3903
3904         * c-lex.c (c_common_has_attribute): Handle attribute fallthrough.
3905
3906 2016-09-26  Marek Polacek  <polacek@redhat.com>
3907
3908         PR c/7652
3909         * c-common.c (c_common_attribute_table): Add fallthrough attribute.
3910         (handle_fallthrough_attribute): New function.
3911         (attribute_fallthrough_p): New function.
3912         * c-common.h (attribute_fallthrough_p): Declare.
3913
3914 2016-09-24  Marek Polacek  <polacek@redhat.com>
3915
3916         PR c/77490
3917         * c.opt (Wbool-operation): New.
3918
3919 2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3920
3921         * c-common.c (c_common_truthvalue_conversion): Inhibit
3922         Wint-in-bool-context warning with from_macro_definition_at.
3923         Mention the expression will always evaluate to true.
3924
3925 2016-09-21  Martin Sebor  <msebor@redhat.com>
3926
3927         PR bootstrap/77676
3928         * c.opt (fprintf-return-value): Temporarily initialize to zero
3929         to unblock bootstrap failures.
3930
3931 2016-09-21  Jakub Jelinek  <jakub@redhat.com>
3932
3933         PR c++/77651
3934         * c.opt (Waligned-new=): Add RejectNegative.
3935         (faligned-new=): Likewise.  Spelling fix - change
3936         aligned_new_threshhold to aligned_new_threshold.
3937         * c-cppbuiltin.c (c_cpp_builtins): Change aligned_new_threshhold
3938         to aligned_new_threshold.
3939
3940 2016-09-20  Martin Sebor  <msebor@redhat.com>
3941
3942         PR middle-end/49905
3943         * c.opt: Add -Wformat-length and -fprintf-return-value.
3944
3945 2016-09-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3946
3947         PR c++/77434
3948         * c.opt (Wint-in-bool-context): New warning.
3949         * c-common.c (c_common_truthvalue_conversion): Warn on integer
3950         constants in boolean context.
3951
3952 2016-09-19  Joseph Myers  <joseph@codesourcery.com>
3953
3954         * c-common.c (max_align_t_align): Also consider alignment of
3955         float128_type_node.
3956
3957 2016-09-15  Jason Merrill  <jason@redhat.com>
3958
3959         * c-common.c (check_cxx_fundamental_alignment_constraints): Check
3960         DECL_EXTERNAL.
3961
3962 2016-09-14  Jason Merrill  <jason@redhat.com>
3963
3964         * c-common.c (check_cxx_fundamental_alignment_constraints): Don't
3965         limit FIELD_DECL, either.
3966
3967 2016-09-14  Marek Polacek  <polacek@redhat.com>
3968
3969         * c-common.c (c_common_truthvalue_conversion): Use false instead of 0.
3970         * c-common.h (build_unary_op): Change nonconvert parameter type to bool.
3971         * c-omp.c (c_finish_omp_atomic): Use false instead of 0.
3972
3973 2016-09-13  David Malcolm  <dmalcolm@redhat.com>
3974
3975         * c-common.c (warn_logical_not_parentheses): Replace
3976         rich_location::add_fixit_insert calls with add_fixit_insert_before
3977         and add_fixit_insert_after, eliminating the "next_loc" calculation.
3978
3979 2016-09-13  Jason Merrill  <jason@redhat.com>
3980             Tom de Vries  <tom@codesourcery.com>
3981
3982         PR c++/77427
3983         * c-common.c (set_underlying_type): Don't treat array as builtin type.
3984
3985 2016-09-13  Jason Merrill  <jason@redhat.com>
3986
3987         * c-common.c (check_cxx_fundamental_alignment_constraints): Don't
3988         limit types at all.
3989
3990 2016-09-12  Jason Merrill  <jason@redhat.com>
3991
3992         * c-common.c (check_cxx_fundamental_alignment_constraints): Fix
3993         bit/byte confusion, allow large alignment for types.
3994
3995 2016-09-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3996
3997         PR c++/77496
3998         * c-common.c (warn_for_omitted_condop): Also warn for boolean data.
3999
4000 2016-09-12  David Malcolm  <dmalcolm@redhat.com>
4001
4002         PR c/72858
4003         * c-format.c (argument_parser::check_argument_type): Add params
4004         "type_start" and "conversion_char".  Use the former to generate
4005         offset_to_type_start and pass it and conversion_char to
4006         check_format_types.
4007         (check_format_info_main): Capture the start of the type
4008         information as "type_start", and pass it an format_char
4009         to arg_parser.check_argument_type.
4010         (check_format_types): Provide an example in the leading comment.
4011         Add params "offset_to_type_start" and "conversion_char"; pass
4012         them to format_type_warning calls.
4013         (test_get_modifier_for_format_len): Likewise.
4014         (matching_type_p): New function.
4015         (get_format_for_type): Add param "conversion_char" and move
4016         implementation into...
4017         (get_format_for_type_1): ...new function, called twice.
4018         Use new function matching_type_p rather than checking for
4019         TYPE_CANONICAL equality.
4020         (get_corrected_substring): New function.
4021         (format_type_warning): Provide an example in the leading comment.
4022         Add params "offset_to_type_start" and "conversion_char".  Replace
4023         call to get_format_for_type with call to get_corrected_substring
4024         and move rejection of hints for widths/precisions there.
4025         (assert_format_for_type_streq): Add param "conversion_char".
4026         (ASSERT_FORMAT_FOR_TYPE_STREQ): Add param CONVERSION_CHAR.
4027         (test_get_format_for_type_printf): Add conversion chars to the
4028         tests, adding coverage for various combinations of integer
4029         vs double conversions, and for preserving octal and hexadecimal
4030         conversions.
4031         (test_get_format_for_type_scanf): Add conversion chars to the
4032         tests.
4033
4034 2016-09-10  Tom de Vries  <tom@codesourcery.com>
4035
4036         PR C/71602
4037         * c-common.c (build_va_arg): Handle more strict
4038         targetm.canonical_va_list_type.  Replace first argument type error with
4039         assert.
4040
4041 2016-09-09  Martin Sebor  <msebor@redhat.com>
4042
4043         PR c/77520
4044         PR c/77521
4045         * c-format.c (argument_parser::find_format_char_info): Use %qc
4046         format directive unconditionally.
4047
4048 2016-09-09  Jason Merrill  <jason@redhat.com>
4049
4050         Implement C++17 new of over-aligned types.
4051         * c.opt: Add -faligned-new and -Waligned-new.
4052         * c-common.c (max_align_t_align): Split out from...
4053         (cxx_fundamental_alignment_p): ...here.
4054         * c-common.h: Declare it.
4055         * c-cppbuiltin.c (c_cpp_builtins): Handle aligned new.
4056
4057 2016-09-09  Joseph Myers  <joseph@codesourcery.com>
4058
4059         * c-cppbuiltin.c (builtin_define_type_width): New function.
4060         (builtin_define_stdint_macros, c_cpp_builtins): Define type width
4061         macros.
4062
4063 2016-09-07  David Malcolm  <dmalcolm@redhat.com>
4064
4065         * c-common.c (get_cpp_ttype_from_string_type): Handle being passed
4066         a POINTER_TYPE.
4067         (substring_loc::get_location): Move to substring-locations.c,
4068         keeping implementation as...
4069         (c_get_substring_location): New function, from the above, reworked
4070         to use accessors rather than member lookup.
4071         * c-common.h (class substring_loc): Move to substring-locations.h,
4072         replacing with a forward decl.
4073         (c_get_substring_location): New decl.
4074         * c-format.c: Include "substring-locations.h".
4075         (format_warning_va): Move to substring-locations.c.
4076         (format_warning_at_substring): Likewise.
4077
4078 2016-09-06  Martin Sebor  <msebor@redhat.com>
4079
4080         PR c/77336
4081         * c-format.c (check_function_format): Avoid issuing warnings for
4082         functions unless they call format functions with non-constant
4083         format strings.
4084
4085 2016-09-06  Richard Biener  <rguenther@suse.de>
4086
4087         PR c/77450
4088         * c-common.c (c_common_mark_addressable_vec): Handle
4089         COMPOUND_LITERAL_EXPR.
4090
4091 2016-09-05  Marek Polacek  <polacek@redhat.com>
4092
4093         PR c/77423
4094         * c-common.c (bool_promoted_to_int_p): New function.
4095         (expr_has_boolean_operands_p): New function.
4096         (warn_logical_not_parentheses): Return if expr_has_boolean_operands_p.
4097         (maybe_warn_bool_compare): Use bool_promoted_to_int_p.
4098
4099 2016-09-04  Tom de Vries  <tom@codesourcery.com>
4100
4101         revert:
4102         2016-08-29  Tom de Vries  <tom@codesourcery.com>
4103
4104         * c-common.c (build_va_arg): Replace first argument type error
4105         with assert.
4106
4107 2016-09-02  Jakub Jelinek  <jakub@redhat.com>
4108
4109         PR c/65467
4110         * c-omp.c (c_finish_omp_atomic): Reject _Atomic qualified expressions.
4111         (c_finish_omp_for): Reject _Atomic qualified iterators.
4112
4113 2016-09-01  Martin Sebor  <msebor@redhat.com>
4114
4115         * c-ada-spec.c (dump_ada_function_declaration): Increase buffer
4116         size to guarantee it fits the output of the formatted function
4117         regardless of its arguments.
4118
4119 2016-09-01  Marek Polacek  <polacek@redhat.com>
4120
4121         PR c/7652
4122         * c-common.c (resolve_overloaded_builtin): Fix formatting.  Add
4123         FALLTHRU comments.
4124
4125 2016-08-29  Marek Polacek  <polacek@redhat.com>
4126
4127         PR c/77292
4128         * c-common.c (warn_logical_not_parentheses): Don't warn for
4129         a comparison or a logical operator.
4130
4131 2016-08-29  Tom de Vries  <tom@codesourcery.com>
4132
4133         * c-common.c (build_va_arg): Fix type comparison assert.
4134
4135 2016-08-29  Tom de Vries  <tom@codesourcery.com>
4136
4137         * c-common.c (build_va_arg): Replace first argument type error
4138         with assert.
4139
4140 2016-08-29  Tom de Vries  <tom@codesourcery.com>
4141
4142         PR c/77398
4143         * c-common.c (build_va_arg): Add first argument error.  Build va_arg
4144         with error_mark_node as va_list instead of with illegal va_list.
4145
4146 2016-08-25  Marek Polacek  <polacek@redhat.com>
4147             David Malcolm  <dmalcolm@redhat.com>
4148
4149         * c-common.c (warn_logical_not_parentheses): Print fixit hints.
4150         * c-common.h (warn_logical_not_parentheses): Update declaration.
4151
4152 2016-08-22  Marek Polacek  <polacek@redhat.com>
4153
4154         PR c++/77321
4155         * c-common.c (warn_for_memset): Check type for null.
4156
4157 2016-08-22  Joseph Myers  <joseph@codesourcery.com>
4158
4159         * c-cppbuiltin.c (c_cpp_builtins): Check _FloatN and
4160         _FloatNx types for suffixes for built-in functions.
4161
4162 2016-08-19  Joseph Myers  <joseph@codesourcery.com>
4163
4164         PR c/32187
4165         * c-common.h (RID_FLOAT16, RID_FLOATN_NX_FIRST, RID_FLOAT32)
4166         (RID_FLOAT64, RID_FLOAT128, RID_FLOAT32X, RID_FLOAT64X)
4167         (RID_FLOAT128X): New enum rid values.
4168         (CASE_RID_FLOATN_NX): New macro.
4169         * c-common.c (c_common_reswords): Add _FloatN and _FloatNx
4170         keywords.
4171         (c_common_type_for_mode): Check for _FloatN and _FloatNx and
4172         corresponding complex types.
4173         (c_common_nodes_and_builtins): For non-C++, register _FloatN and
4174         _FloatNx and corresponding complex types.
4175         (keyword_begins_type_specifier): Use CASE_RID_FLOATN_NX.
4176         * c-cppbuiltin.c (builtin_define_float_constants): Check _FloatN
4177         and _FloatNx types for the widest type for determining
4178         DECIMAL_DIG.  Define __LDBL_DECIMAL_DIG__ as well as
4179         __DECIMAL_DIG__ for long double.  Handle FMA_SUFFIX being NULL.
4180         (c_cpp_builtins): Call builtin_define_float_constants for _FloatN
4181         and _FloatNx types.
4182         * c-lex.c (interpret_float): Handle _FloatN and _FloatNx
4183         constants.
4184         * c-pretty-print.c (pp_c_floating_constant): Handle _FloatN and
4185         _FloatNx types.
4186
4187 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
4188
4189         * c-opts.c (c_diagnostic_finalizer): Update for change to
4190         diagnostic_show_locus.
4191
4192 2016-08-18  David Malcolm  <dmalcolm@redhat.com>
4193
4194         * c-common.c: Include "spellcheck.h".
4195         (cb_get_suggestion): New function.
4196         * c-common.h (cb_get_suggestion): New decl.
4197         * c-lex.c (init_c_lex): Initialize cb->get_suggestion to
4198         cb_get_suggestion.
4199
4200 2016-08-18  Marek Polacek  <polacek@redhat.com>
4201
4202         PR c/71514
4203         * c-common.c (get_atomic_generic_size): Disallow pointer-to-function
4204         and pointer-to-VLA.
4205
4206 2016-08-16  David Malcolm  <dmalcolm@redhat.com>
4207
4208         PR c/72857
4209         * c-common.c (substring_loc::get_range): Rename to...
4210         (substring_loc::get_location): ...this, converting param from a
4211         source_range * to a location_t *.  Call
4212         get_source_location_for_substring rather than
4213         get_source_range_for_substring, and pass in m_caret_idx.
4214         * c-common.h (substring_loc::substring_loc): Add param "caret_idx".
4215         (substring_loc::get_range): Replace with...
4216         (substring_loc::get_location): ...this.
4217         (substring_loc::set_caret_index): New method.
4218         (substring_loc): Add field m_caret_idx.
4219         * c-format.c (format_warning_va): Update for above changes.
4220         Rename local "substring_loc" to "fmt_substring_loc" to avoid
4221         clashing with type name.
4222         (format_warning_at_char): Add caret_idx param to substring_loc ctor.
4223         (check_argument_type): Likewise.
4224         (format_type_warning): Rename param "fmt_loc" to "whole_fmt_loc"
4225         Use a copy when emitting warnings, setting the caret index from TYPE.
4226
4227 2016-08-16  Eric Botcazou  <ebotcazou@adacore.com>
4228             Arnaud Charlet  <charlet@adacore.com>
4229
4230         * c-ada-spec.c (dump_number): New function.
4231         (handle_escape_character): Likewise.
4232         (print_ada_macros): Add handling of constant integers and strings.
4233
4234 2016-08-12  Marek Polacek  <polacek@redhat.com>
4235
4236         PR c/7652
4237         * c-common.c (scalar_to_vector): Adjust fall through comment.
4238         * c-opts.c (c_common_handle_option): Likewise.
4239         * c-pragma.c (handle_pragma_pack): Add FALLTHRU.
4240         * c-pretty-print.c (c_pretty_printer::postfix_expression): Adjust
4241         fall through comment.
4242         * cilk.c (extract_free_variables): Add FALLTHRU.
4243
4244 2016-08-10  Jason Merrill  <jason@redhat.com>
4245
4246         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_if_constexpr.
4247
4248 2016-08-09  Jason Merrill  <jason@redhat.com>
4249
4250         * c-common.c (c_common_attribute_table): vector_size affects type
4251         identity.
4252
4253 2016-08-09  Marek Polacek  <polacek@redhat.com>
4254
4255         PR c/7652
4256         * c-ada-spec.c (dump_generic_ada_node): Add return.
4257
4258 2016-08-09  Jason Merrill  <jason@redhat.com>
4259
4260         * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_constexpr for
4261         C++17 constexpr lambdas.
4262
4263 2016-08-08  David Malcolm  <dmalcolm@redhat.com>
4264
4265         PR c/64955
4266         * c-common.h (selftest::c_format_c_tests): New declaration.
4267         (selftest::run_c_tests): New declaration.
4268         * c-format.c: Include "selftest.h.
4269         (format_warning_va): Add param "corrected_substring" and use
4270         it to add a replacement fix-it hint.
4271         (format_warning_at_substring): Likewise.
4272         (format_warning_at_char): Update for new param of
4273         format_warning_va.
4274         (argument_parser::check_argument_type): Pass "fki" to
4275         check_format_types.
4276         (check_format_types): Add param "fki" and pass it to
4277         format_type_warning.
4278         (deref_n_times): New function.
4279         (get_modifier_for_format_len): New function.
4280         (selftest::test_get_modifier_for_format_len): New function.
4281         (get_format_for_type): New function.
4282         (format_type_warning): Add param "fki" and use it to attempt
4283         to provide hints for argument types when calling
4284         format_warning_at_substring.
4285         (selftest::get_info): New function.
4286         (selftest::assert_format_for_type_streq): New function.
4287         (ASSERT_FORMAT_FOR_TYPE_STREQ): New macro.
4288         (selftest::test_get_format_for_type_printf): New function.
4289         (selftest::test_get_format_for_type_scanf): New function.
4290         (selftest::c_format_c_tests): New function.
4291
4292 2016-08-08  David Malcolm  <dmalcolm@redhat.com>
4293
4294         PR c/52952
4295         * c-format.c: Include "diagnostic.h".
4296         (location_column_from_byte_offset): Delete.
4297         (location_from_offset): Delete.
4298         (format_warning_va): New function.
4299         (format_warning_at_substring): New function.
4300         (format_warning_at_char): New function.
4301         (check_format_arg): Capture location of format_tree and pass to
4302         check_format_info_main.
4303         (argument_parser): Add fields "start_of_this_format" and
4304         "format_string_cst".
4305         (flag_chars_t::validate): Add param "format_string_cst".  Convert
4306         warning_at call using location_from_offset to call to
4307         format_warning_at_char.
4308         (argument_parser::argument_parser): Add param "format_string_cst_"
4309         and use use it to initialize field "format_string_cst".
4310         Initialize new field "start_of_this_format".
4311         (argument_parser::read_format_flags): Convert warning_at call
4312         using location_from_offset to a call to format_warning_at_char.
4313         (argument_parser::read_any_format_left_precision): Likewise.
4314         (argument_parser::read_any_format_precision): Likewise.
4315         (argument_parser::read_any_other_modifier): Likewise.
4316         (argument_parser::find_format_char_info): Likewise, in three places.
4317         (argument_parser::parse_any_scan_set): Likewise, in one place.
4318         (argument_parser::handle_conversions): Likewise, in two places.
4319         (argument_parser::check_argument_type): Add param "fmt_param_loc"
4320         and use it to make a substring_loc.  Pass the latter to
4321         check_format_types.
4322         (check_format_info_main): Add params "fmt_param_loc" and
4323         "format_string_cst".  Convert warning_at calls using
4324         location_from_offset to calls to format_warning_at_char.  Pass the
4325         new params to the arg_parser ctor.  Pass "format_string_cst" to
4326         flag_chars.validate.  Pass "fmt_param_loc" to
4327         arg_parser.check_argument_type.
4328         (check_format_types): Convert first param from a location_t
4329         to a const substring_loc & and rename to "fmt_loc".  Attempt
4330         to extract the range of the relevant parameter and pass it
4331         to format_type_warning.
4332         (format_type_warning): Convert first param from a location_t
4333         to a const substring_loc & and rename to "fmt_loc".  Add
4334         params "param_range" and "type".  Replace calls to warning_at
4335         with calls to format_warning_at_substring.
4336
4337 2016-08-08  David Malcolm  <dmalcolm@redhat.com>
4338
4339         * c-format.c (class flag_chars_t): New class.
4340         (struct length_modifier): New struct.
4341         (class argument_parser): New class.
4342         (flag_chars_t::flag_chars_t): New ctor.
4343         (flag_chars_t::has_char_p): New method.
4344         (flag_chars_t::add_char): New method.
4345         (flag_chars_t::validate): New method.
4346         (flag_chars_t::get_alloc_flag): New method.
4347         (flag_chars_t::assignment_suppression_p): New method.
4348         (argument_parser::argument_parser): New ctor.
4349         (argument_parser::read_any_dollar): New method.
4350         (argument_parser::read_format_flags): New method.
4351         (argument_parser::read_any_format_width): New method.
4352         (argument_parser::read_any_format_left_precision): New method.
4353         (argument_parser::read_any_format_precision): New method.
4354         (argument_parser::handle_alloc_chars): New method.
4355         (argument_parser::read_any_length_modifier): New method.
4356         (argument_parser::read_any_other_modifier): New method.
4357         (argument_parser::find_format_char_info): New method.
4358         (argument_parser::validate_flag_pairs): New method.
4359         (argument_parser::give_y2k_warnings): New method.
4360         (argument_parser::parse_any_scan_set): New method.
4361         (argument_parser::handle_conversions): New method.
4362         (argument_parser::check_argument_type): New method.
4363         (check_format_info_main): Introduce classes argument_parser
4364         and flag_chars_t, moving the code within the loop into methods
4365         of these classes.  Make various locals "const".
4366
4367 2016-08-05  David Malcolm  <dmalcolm@redhat.com>
4368
4369         * c-common.c: Include "substring-locations.h".
4370         (get_cpp_ttype_from_string_type): New function.
4371         (g_string_concat_db): New global.
4372         (substring_loc::get_range): New method.
4373         * c-common.h (g_string_concat_db): New declaration.
4374         (class substring_loc): New class.
4375         * c-lex.c (lex_string): When concatenating strings, capture the
4376         locations of all tokens using a new obstack, and record the
4377         concatenation locations within g_string_concat_db.
4378         * c-opts.c (c_common_init_options): Construct g_string_concat_db
4379         on the ggc-heap.
4380
4381 2016-07-29  Marek Polacek  <polacek@redhat.com>
4382
4383         PR c/71926
4384         * c-common.c (c_common_truthvalue_conversion): Use LOCATION for the
4385         parentheses warning.
4386
4387         PR c/71574
4388         * c-common.c (handle_alloc_align_attribute): Also check FUNCTION_DECL.
4389
4390 2016-07-28  Martin Liska  <mliska@suse.cz>
4391
4392         PR gcov-profile/68025
4393         * c-common.c (handle_no_profile_instrument_function_attribute):
4394
4395 2016-07-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4396
4397         * c-common.c (check_user_alignment): Use LOG2_BITS_PER_UNIT instead of
4398         BITS_PER_UNIT_LOG.
4399
4400 2016-07-25  Jason Merrill  <jason@redhat.com>
4401
4402         PR c++/65970
4403         * c.opt (fconstexpr-loop-limit): New.
4404
4405 2016-07-22  Martin Sebor  <msebor@redhat.com>
4406
4407         PR c++/71675
4408         * c-common.c (resolve_overloaded_builtin): Avoid converting
4409         __atomic_compare_exchange_n return type to that of what its
4410         first argument points to.
4411
4412 2016-07-22  Uros Bizjak  <ubizjak@gmail.com>
4413
4414         * c-common.c: Use HOST_WIDE_INT_M1U instead of
4415         ~(unsigned HOST_WIDE_INT) 0.
4416
4417 2016-07-22  Martin Liska  <mliska@suse.cz>
4418
4419         PR gcov-profile/69028
4420         PR gcov-profile/62047
4421         * cilk.c (create_cilk_helper_decl): Set location of a new decl
4422         to the current_function_decl.
4423
4424 2016-07-21  Jason Merrill  <jason@redhat.com>
4425
4426         PR c++/65168
4427         * c-common.c (c_common_truthvalue_conversion): Check
4428         c_inhibit_evaluation_warnings for warning about address of
4429         reference.
4430
4431 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
4432
4433         * c-common.h (lookup_name_fuzzy): Convert return type from tree to
4434         const char *.
4435
4436 2016-07-15  Jason Merrill  <jason@redhat.com>
4437
4438         * c-opts.c (c_common_post_options): Update -fabi-version default to 11.
4439
4440 2016-07-15  Jakub Jelinek  <jakub@redhat.com>
4441
4442         PR c/71858
4443         * c-common.h (enum lookup_name_fuzzy_kind): Add
4444         FUZZY_LOOKUP_FUNCTION_NAME.
4445
4446 2016-07-08  Jason Merrill  <jason@redhat.com>
4447
4448         P0145: Refining Expression Order for C++.
4449         * c.opts (-fargs-in-order): Rename to -fstrong-eval-order.
4450         * c-opts.c: Adjust.
4451
4452 2016-07-05  Markus Trippelsdorf  <markus@trippelsdorf.de>
4453
4454         PR c++/71214
4455         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_rvalue_references.
4456
4457 2016-06-29  Thomas Schwinge  <thomas@codesourcery.com>
4458
4459         * c-pragma.h (enum pragma_kind): Rename
4460         PRAGMA_OMP_DECLARE_REDUCTION to PRAGMA_OMP_DECLARE.  Adjust all
4461         users.
4462
4463 2016-06-29  Richard Biener  <rguenther@suse.de>
4464
4465         PR middle-end/71002
4466         * c-common.c (c_common_get_alias_set): Remove union type punning case.
4467
4468 2016-06-24  Jason Merrill  <jason@redhat.com>
4469
4470         P0145R2: Refining Expression Order for C++.
4471         * c-common.c (verify_tree) [COMPOUND_EXPR]: Fix handling on LHS of
4472         MODIFY_EXPR.
4473
4474 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
4475
4476         * c-common.c (check_builtin_function_arguments): Require last
4477         argument of BUILT_IN_*_OVERFLOW_P to have INTEGER_TYPE type.
4478         Adjust wording of diagnostics for BUILT_IN_*_OVERLFLOW
4479         if the last argument is pointer to enumerated or boolean type.
4480
4481 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
4482
4483         PR c/70339
4484         * c-common.h (enum lookup_name_fuzzy_kind): New enum.
4485         (lookup_name_fuzzy): New prototype.
4486
4487 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
4488
4489         * c-common.c (get_source_date_epoch): Use int64_t instead of long long.
4490
4491 2016-06-14  Jason Merrill  <jason@redhat.com>
4492
4493         P0145R2: Refining Expression Order for C++.
4494         * c.opt (fargs-in-order): New.
4495         * c-opts.c (c_common_post_options): Adjust flag_args_in_order.
4496
4497 2016-06-13  Jakub Jelinek  <jakub@redhat.com>
4498
4499         PR sanitizer/71498
4500         * c-gimplify.c (ubsan_walk_array_refs_r): Set *walk_subtrees = 0 on
4501         all BIND_EXPRs, and on all BIND_EXPRs recurse also on BIND_EXPR_BODY.
4502
4503         PR preprocessor/71183
4504         * c-ppoutput.c (init_pp_output): Set cb->get_source_date_epoch
4505         to cb_get_source_date_epoch.
4506
4507 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
4508
4509         PR c/68657
4510         * c.opt (Wpsabi): Add Warning flag.
4511
4512 2016-06-10  Martin Sebor  <msebor@redhat.com>
4513
4514         PR c/71392
4515         * c-common.c (handle_nonnull_attribute): Accept
4516         the nonnull attribute in type-generic builtins.
4517
4518 2016-06-09  Martin Sebor  <msebor@redhat.com>
4519
4520         PR c/70883
4521         * c-common.c (builtin_function_validate_nargs): Make text of error
4522         message consistent with others like it.
4523
4524 2016-06-08  Martin Sebor  <msebor@redhat.com>
4525             Jakub Jelinek  <jakub@redhat.com>
4526
4527         PR c++/70507
4528         PR c/68120
4529         * c-common.c (check_builtin_function_arguments): Handle
4530         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
4531
4532 2016-06-08  Richard Biener  <rguenther@suse.de>
4533
4534         * c-common.c (parse_optimize_options): Improve diagnostic messages.
4535
4536 2016-06-07  Richard Biener  <rguenther@suse.de>
4537
4538         PR c/61564
4539         * c-common.c (parse_optimize_options): Only apply CL_OPTIMIZATION
4540         options and warn about others.
4541
4542 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
4543
4544         * c-common.c (get_source_date_epoch): Rename to
4545         cb_get_source_date_epoch.
4546         * c-common.c (cb_get_source_date_epoch): Use a single generic erorr
4547         message when the parsing fails.  Use error_at instead of fatal_error.
4548         * c-common.h (get_source_date_epoch): Rename to
4549         cb_get_source_date_epoch.
4550         * c-common.h (cb_get_source_date_epoch): Prototype.
4551         * c-common.h (MAX_SOURCE_DATE_EPOCH): Define.
4552         * c-common.h (c_omp_region_type): Remove trailing comma.
4553         * c-lex.c (init_c_lex): Set cb->get_source_date_epoch callback.
4554         * c-lex.c (c_lex_with_flags): Remove initialization of
4555         pfile->source_date_epoch.
4556
4557 2016-05-30  Jakub Jelinek  <jakub@redhat.com>
4558
4559         PR c++/71349
4560         * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_DEPEND to
4561         C_OMP_CLAUSE_SPLIT_TARGET.  Put OMP_CLAUSE_NOWAIT to
4562         C_OMP_CLAUSE_SPLIT_TARGET if combined with target construct,
4563         instead of C_OMP_CLAUSE_SPLIT_FOR.
4564
4565 2016-05-24  Richard Biener  <rguenther@suse.de>
4566
4567         PR middle-end/70434
4568         PR c/69504
4569         * c-common.h (convert_vector_to_pointer_for_subscript): Rename to ...
4570         (convert_vector_to_array_for_subscript): ... this.
4571         * c-common.c (convert_vector_to_pointer_for_subscript): Use a
4572         VIEW_CONVERT_EXPR to an array type.  Rename to ...
4573         (convert_vector_to_array_for_subscript): ... this.
4574
4575 2016-05-12  Marek Polacek  <polacek@redhat.com>
4576
4577         PR c/70756
4578         * c-common.c (pointer_int_sum): Call size_in_bytes_loc instead of
4579         size_in_bytes and pass LOC to it.
4580
4581 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
4582
4583         PR c/43651
4584         * c.opt (Wduplicate-decl-specifier): New option.
4585
4586 2016-05-11  Marek Polacek  <polacek@redhat.com>
4587
4588         PR c++/71024
4589         * c-common.c (diagnose_mismatched_attributes): New function.
4590         * c-common.h (diagnose_mismatched_attributes): Declare.
4591
4592 2016-05-04  Marek Polacek  <polacek@redhat.com>
4593
4594         * c.opt (Wdangling-else): New option.
4595
4596 2016-05-03  Marek Polacek  <polacek@redhat.com>
4597
4598         PR c/70859
4599         * c-common.c (builtin_function_validate_nargs): Add location
4600         parameter.  Use it.
4601         (check_builtin_function_arguments): Add location and arguments
4602         parameters.  Use them.
4603         * c-common.h (check_builtin_function_arguments): Update declaration.
4604
4605 2016-05-03  Richard Biener  <rguenther@suse.de>
4606
4607         * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Do not
4608         allow call args to gimplify to SSA names.
4609
4610 2016-05-03  Marek Polacek  <polacek@redhat.com>
4611
4612         * c-common.h (enum c_omp_region_type): Remove stray comma.
4613
4614 2016-05-02  Cesar Philippidis  <cesar@codesourcery.com>
4615
4616         * c-common.h (enum c_omp_region_type): Define.
4617
4618 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4619
4620         * c-common.c (shorten_compare): Use wi::to_wide.
4621
4622 2016-04-29  Cesar Philippidis  <cesar@codesourcery.com>
4623
4624         PR middle-end/70626
4625         * c-common.h (c_oacc_split_loop_clauses): Add boolean argument.
4626         * c-omp.c (c_oacc_split_loop_clauses): Use it to duplicate
4627         reduction clauses in acc parallel loops.
4628
4629 2016-04-29  Marek Polacek  <polacek@redhat.com>
4630
4631         PR c/70852
4632         * c-common.c (warn_for_memset): Check domain before accessing it.
4633
4634 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4635
4636         PR/69089
4637         * c-common.c (handle_aligned_attribute): Allow 0 as an argument to the
4638         "aligned" attribute.
4639
4640 2016-04-28  Jason Merrill  <jason@redhat.com>
4641
4642         * c-lex.c (c_common_has_attribute): Handle nodiscard.
4643
4644 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
4645             Matthias Klose  <doko@debian.org>
4646
4647         * c-common.c (get_source_date_epoch): New function, gets the environment
4648         variable SOURCE_DATE_EPOCH and parses it as long long with error
4649         handling.
4650         * c-common.h (get_source_date_epoch): Prototype.
4651         * c-lex.c (c_lex_with_flags): set parse_in->source_date_epoch.
4652
4653 2015-04-27  Ryan Burn  <contact@rnburn.com>
4654
4655         PR c++/69024
4656         PR c++/68997
4657         * cilk.c (cilk_ignorable_spawn_rhs_op): Change to external linkage.
4658         (cilk_recognize_spawn): Renamed from recognize_spawn and change to
4659         external linkage.
4660         (cilk_detect_and_unwrap): Corresponding changes.
4661         (extract_free_variables): Don't extract free variables from
4662         AGGR_INIT_EXPR slot.
4663         * c-common.h (cilk_ignorable_spawn_rhs_op): Prototype.
4664         (cilk_recognize_spawn): Likewise.
4665
4666 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
4667
4668         * c.opt (Wmemset-elt-size): New option.
4669         * c-common.c (warn_for_memset): New function.
4670         * c-common.h (warn_for_memset): Declare.
4671
4672 2016-04-25  Jason Merrill  <jason@redhat.com>
4673
4674         * c-common.c (handle_unused_attribute): Accept CONST_DECL.
4675         No longer static.
4676         * c-common.h: Declare it.
4677         * c-lex.c (c_common_has_attribute): Add maybe_unused.
4678
4679 2016-04-22  Jason Merrill  <jason@redhat.com>
4680
4681         * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_range_based_for.
4682
4683 2016-04-20  Ilya Verbin  <ilya.verbin@intel.com>
4684
4685         PR c++/69363
4686         * c-cilkplus.c (c_finish_cilk_clauses): Remove function.
4687         * c-common.h (c_finish_cilk_clauses): Remove declaration.
4688
4689 2016-04-18  Michael Matz  <matz@suse.de>
4690
4691         * c-common.c (handle_aligned_attribute): Use SET_TYPE_ALIGN
4692         and SET_DECL_ALIGN.
4693
4694 2016-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4695
4696         * c-ada-spec.c (get_underlying_decl): Return the typedef, if any.
4697         (dump_generic_ada_node) <POINTER_TYPE>: Clean up handling of access
4698         to incomplete types.
4699         (dump_nested_type): Remove redundant tests and tidy up.
4700         (print_ada_declaration): Also set TREE_VISITED on the declaration of
4701         a type which is the typedef of an original type.
4702
4703 2016-04-15  Marek Polacek  <polacek@redhat.com>
4704
4705         PR c/70651
4706         * c-common.c (build_va_arg): Change two asserts into errors and return
4707         error_mark_node.
4708
4709 2016-04-13  Marek Polacek  <polacek@redhat.com>
4710
4711         PR c++/70639
4712         * c-indentation.c (should_warn_for_misleading_indentation): Bail out
4713         for switch statements, too.
4714
4715 2016-03-28  Jason Merrill  <jason@redhat.com>
4716
4717         * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_range_based_for.
4718
4719 2016-03-23  Marek Polacek  <polacek@redhat.com>
4720
4721         PR c++/69884
4722         * c.opt (Wignored-attributes): New option.
4723
4724 2016-03-22  David Malcolm  <dmalcolm@redhat.com>
4725
4726         PR c/69993
4727         * c-indentation.c (warn_for_misleading_indentation): Rewrite the
4728         diagnostic text, reversing the order of the warning and note so
4729         that they appear in source order.
4730
4731 2016-03-17  Marek Polacek  <polacek@redhat.com>
4732
4733         PR c/69407
4734         * c-common.c (resolve_overloaded_builtin): Set TREE_USED for the fetch
4735         operations.
4736
4737 2016-03-14  Jason Merrill  <jason@redhat.com>
4738
4739         * c-cppbuiltin.c (c_cpp_builtins): Set __cpp_hex_float.
4740
4741         * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_range_based_for.
4742
4743 2016-03-09  Richard Biener  <rguenther@suse.de>
4744
4745         PR c/70143
4746         * c-common.c (strict_aliasing_warning): Add back
4747         alias_sets_conflict_p check.
4748
4749 2016-03-08  Jason Merrill  <jason@redhat.com>
4750
4751         * c-opts.c (set_std_cxx1z): Don't enable concepts.
4752
4753 2016-03-04  David Malcolm  <dmalcolm@redhat.com>
4754
4755         PR c/68187
4756         * c-indentation.c (get_visual_column): Move code to determine next
4757         tab stop to...
4758         (next_tab_stop): ...this new function.
4759         (line_contains_hash_if): Delete function.
4760         (detect_preprocessor_logic): Delete function.
4761         (get_first_nws_vis_column): New function.
4762         (detect_intervening_unindent): New function.
4763         (should_warn_for_misleading_indentation): Replace call to
4764         detect_preprocessor_logic with a call to
4765         detect_intervening_unindent.
4766
4767 2016-03-04  David Malcolm  <dmalcolm@redhat.com>
4768
4769         PR c/68187
4770         * c-indentation.c (should_warn_for_misleading_indentation): When
4771         suppressing warnings about cases where the guard and body are on
4772         the same column, only use the first non-whitespace column in place
4773         of the guard token column when dealing with "else" clauses.
4774         When rejecting aligned BODY and NEXT, loosen the requirement
4775         from equality with the first non-whitespace of guard to simply
4776         that they not be indented relative to it.
4777
4778 2016-03-04  Richard Biener  <rguenther@suse.de>
4779
4780         PR c++/70054
4781         * c-common.c (strict_aliasing_warning): Use alias_set_subset_of
4782         instead of alias_sets_conflict_p.
4783
4784 2016-03-01  Marek Polacek  <polacek@redhat.com>
4785
4786         PR c++/69795
4787         * c-common.c (reject_gcc_builtin): Check for FUNCTION_DECL rather than
4788         any DECL.
4789
4790 2016-02-22  Martin Sebor  <msebor@redhat.com>
4791
4792         PR middle-end/69780
4793         * c-common.c (check_builtin_function_arguments): Validate and
4794         reject invalid arguments to __builtin_alloca_with_align.
4795
4796 2016-02-20  Mark Wielaard  <mjw@redhat.com>
4797
4798         PR c/28901
4799         * c.opt (Wunused-const-variable): Turn into Alias for...
4800         (Wunused-const-variable=): New option.
4801
4802 2016-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4803
4804         PR c++/69865
4805         * c-opts.c (c_common_post_options): Move call to set_std_cxx14 from
4806         here...
4807         (c_common_init_options): ...to here.
4808         (set_std_cxx98): Initialize flag_isoc94 and flag_isoc99.
4809
4810 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
4811
4812         PR c++/69826
4813         * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_GRAINSIZE.
4814         (init_pragma): Register PRAGMA_CILK_GRAINSIZE even for
4815         flag_preprocess_only.
4816
4817 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
4818
4819         PR c/69835
4820         * c.opt (Wnonnull-compare): Enable for -Wall.
4821
4822 2016-02-15  Jakub Jelinek  <jakub@redhat.com>
4823
4824         PR c++/69797
4825         * c-common.c (sync_resolve_size): Diagnose too few arguments
4826         even when params is non-NULL empty vector.
4827
4828 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
4829
4830         PR target/60410
4831         * c.opt (fshort-double): Remove.
4832
4833 2016-02-05  Martin Sebor  <msebor@redhat.com>
4834
4835         PR c++/69662
4836         * c.opt (Warning options): Update -Wplacement-new to take
4837         an optional argument.
4838
4839 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
4840
4841         PR preprocessor/69543
4842         PR c/69558
4843         * c-pragma.c (handle_pragma_diagnostic): Pass input_location
4844         instead of loc to control_warning_option.
4845
4846 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
4847
4848         * c.opt (fopenacc-dim=): New option.
4849
4850 2016-01-27  Ryan Burn  <contact@rnburn.com>
4851
4852         PR cilkplus/69267
4853         * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Change to use
4854         gimplify_arg. Removed superfluous post_p argument.
4855         * c-family.h (cilk_gimplify_call_params_in_spawned_fn): Removed
4856         superfluous post_p argument.
4857         * c-gimplify.c (c_gimplify_expr): Likewise.
4858
4859 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
4860
4861         PR other/69006
4862         * c-opts.c (c_diagnostic_finalizer): Replace invocation of
4863         pp_newline_and_flush with pp_flush.
4864
4865 2016-01-20  Martin Sebor  <msebor@redhat.com>
4866
4867         PR c/69405
4868         * c-common.c (sync_resolve_size): Avoid printing diagnostic about
4869         an incompatible argument when the argument isn't a valid tree node.
4870
4871 2016-01-18  Jason Merrill  <jason@redhat.com>
4872
4873         PR c++/68767
4874         * c-common.c (check_function_arguments_recurse): Fold the whole
4875         COND_EXPR, not just the condition.
4876
4877 2016-01-18  Tom de Vries  <tom@codesourcery.com>
4878
4879         * c-omp.c (c_oacc_split_loop_clauses): Don't copy OMP_CLAUSE_REDUCTION,
4880         classify as loop clause.
4881
4882 2016-01-15  Jakub Jelinek  <jakub@redhat.com>
4883
4884         PR bootstrap/68271
4885         * c-pragma.c (c_register_pragma_1): Adjust comment to note that
4886         C++ FE no longer has limit on number of pragmas.
4887
4888 2015-01-14  Ryan Burn  <contact@rnburn.com>
4889
4890         PR c++/69048
4891         * cilk.c (create_cilk_wrapper_body): Call fold_build_cleanup_point_expr
4892         to add missing cleanup point.
4893
4894 2016-01-14  David Malcolm  <dmalcolm@redhat.com>
4895
4896         PR c++/68819
4897         * c-indentation.c (get_visual_column): Add location_t param.
4898         Handle the column number being zero by effectively disabling the
4899         warning, with an "inform".
4900         (should_warn_for_misleading_indentation): Add location_t argument
4901         for all uses of get_visual_column.
4902
4903 2016-01-10  Patrick Palka  <ppalka@gcc.gnu.org>
4904
4905         PR c++/69029
4906         * c-indentation.c (should_warn_for_misleading_indentation):
4907         Don't warn about do-while statements.
4908
4909 2016-01-07  Martin Sebor  <msebor@redhat.com>
4910
4911         PR c/68966
4912         * c-common.c (sync_resolve_size): Reject first argument when it's
4913         a pointer to _Bool.
4914
4915 2016-01-05  David Malcolm  <dmalcolm@redhat.com>
4916
4917         PR c/69122
4918         * c-indentation.c (get_visual_column): Remove default argument.
4919         (should_warn_for_misleading_indentation): For the multiline case,
4920         update call to get_visual_column for next_stmt_exploc so that it
4921         captures the location of the first non-whitespace character in the
4922         relevant line.  Don't issue warnings if there is non-whitespace
4923         before the next statement.
4924
4925 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
4926
4927         Update copyright years.
4928
4929 2015-12-21  David Malcolm  <dmalcolm@redhat.com>
4930
4931         * c-common.c (binary_op_error): Convert first param from
4932         location_t to rich_location * and use it when emitting an error.
4933         * c-common.h (binary_op_error): Convert first param from
4934         location_t to rich_location *.
4935
4936 2015-12-16  David Malcolm  <dmalcolm@redhat.com>
4937
4938         * c-common.h (conflict_marker_get_final_tok_kind): New prototype.
4939         * c-lex.c (conflict_marker_get_final_tok_kind): New function.
4940
4941 2015-12-15  Ilya Verbin  <ilya.verbin@intel.com>
4942
4943         * c-common.c (c_common_attribute_table): Handle "omp declare target
4944         link" attribute.
4945
4946 2015-12-14  Jakub Jelinek  <jakub@redhat.com>
4947
4948         PR c/68833
4949         * c.opt (Wmissing-format-attribute, Wnormalized): Add Warning option.
4950
4951 2014-12-12  Tobias Burnus  <burnus@net-b.de>
4952
4953         PR fortran/68815
4954         * c-format.c (gcc_gfc_char_table): Add 'q' flag to remaining
4955         specifiers (%d, %i,%u and %c).
4956
4957 2015-12-10  David Malcolm  <dmalcolm@redhat.com>
4958
4959         * c.opt (Wmisleading-indentation): Add to -Wall for C and C++.
4960
4961 2015-12-08  Jakub Jelinek  <jakub@redhat.com>
4962
4963         PR c/48088
4964         PR c/68657
4965         * c.opt (Wfloat-conversion, Wsign-conversion): Add Warning.
4966         * c-pragma.c (handle_pragma_diagnostic): Adjust
4967         control_warning_option caller.
4968
4969 2015-12-07  David Malcolm  <dmalcolm@redhat.com>
4970
4971         * c-common.c (c_cpp_error): Update for change to
4972         rich_location::set_range.
4973
4974 2015-12-04  Paolo Bonzini  <bonzini@gnu.org>
4975
4976         * c-common.c (maybe_warn_shift_overflow): Warn on all overflows if
4977         shifting 1 out of the sign bit.
4978
4979 2015-12-04  Kirill Yukhin  <kirill.yukhin@intel.com>
4980
4981         * c-common.c (c_common_attribute_table[]): Update max arguments
4982         count for "simd" attribute.
4983         (handle_simd_attribute): Parse "notinbranch" and "inbranch" arguments.
4984
4985 2015-12-03  Jakub Jelinek  <jakub@redhat.com>
4986
4987         PR preprocessor/57580
4988         * c-ppoutput.c (print): Change printed field to bool.
4989         Move src_file last for smaller padding.
4990         (init_pp_output): Set print.printed to false instead of 0.
4991         (scan_translation_unit): Fix up formatting.  Set print.printed
4992         to true after printing something other than newline.
4993         (scan_translation_unit_trad): Set print.printed to true instead of 1.
4994         (maybe_print_line_1): Set print.printed to false instead of 0.
4995         (print_line_1): Likewise.
4996         (do_line_change): Set print.printed to true instead of 1.
4997         (cb_define, dump_queued_macros, cb_include, cb_def_pragma,
4998         dump_macro): Set print.printed to false after printing newline.
4999
5000 2015-12-02  Jason Merrill  <jason@redhat.com>
5001
5002         * c-common.c (fold_for_warn): New.
5003         (warn_logical_operator, warn_tautological_cmp)
5004         (check_function_arguments_recurse, maybe_warn_bool_compare): Use it.
5005
5006         * c-common.c (c_disable_warnings, c_enable_warnings, c_fully_fold)
5007         (c_fully_fold_internal, decl_constant_value_for_optimization):
5008         Move to c/c-fold.c.
5009         * c-common.h: Don't declare decl_constant_value_for_optimization.
5010
5011 2015-12-02  Joseph Myers  <joseph@codesourcery.com>
5012
5013         PR c/68162
5014         * c-common.h (c_build_qualified_type): Add extra default
5015         arguments.
5016
5017 2015-12-01  Julian Brown  <julian@codesourcery.com>
5018             Cesar Philippidis  <cesar@codesourcery.com>
5019             James Norris  <James_Norris@mentor.com>
5020
5021         * c-pragma.c (oacc_pragmas): Add PRAGMA_OACC_HOST_DATA.
5022         * c-pragma.h (pragma_kind): Add PRAGMA_OACC_HOST_DATA.
5023         (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_USE_DEVICE.
5024
5025 2015-11-30  Eric Botcazou  <ebotcazou@adacore.com>
5026
5027         * c-ada-spec.c (print_ada_macros): Remove redundant blank line.
5028         (decl_sloc_common): Delete and move bulk of processing to...
5029         (decl_sloc): ...here.
5030         (pp_ada_tree_identifier): Remove reference to QUAL_UNION_TYPE.
5031         (dump_ada_double_name): Remove S parameter and compute the suffix.
5032         (dump_ada_array_type): Add PARENT parameter.  Simplify computation of
5033         element type and deal with an anonymous one.
5034         (dump_ada_template): Use RECORD_OR_UNION_TYPE_P macro.
5035         (dump_generic_ada_node): Tweak.  Adjust call to dump_ada_array_type
5036         and remove reference to QUAL_UNION_TYPE.
5037         (dump_nested_types): Make 2 passes on the fields and move bulk to...
5038         (dump_nested_type): ...here.  New function extracted from above.
5039         Generate a full declaration for anonymous element type of arrays.
5040         (print_ada_declaration): Really skip anonymous declarations.  Remove
5041         references to QUAL_UNION_TYPE.  Adjust call to dump_ada_array_type.
5042         Clean up processing of declarations of array types and objects.
5043         (print_ada_struct_decl): Remove reference to QUAL_UNION_TYPE.
5044         Remove obsolete code and tidy up.
5045
5046 2015-11-29  Jan Hubicka  <hubicka@ucw.cz>
5047
5048         PR c/67581
5049         * c-common.c (handle_transparent_union_attribute): Update
5050         also type variants.
5051
5052 2015-11-27  Martin Liska  <mliska@suse.cz>
5053
5054         PR c++/68312
5055         * array-notation-common.c (cilkplus_extract_an_triplets):
5056         Release vector of vectors.
5057         * cilk.c (gimplify_cilk_spawn): Free allocated memory.
5058
5059 2015-11-26  Eric Botcazou  <ebotcazou@adacore.com>
5060
5061         PR c++/68527
5062         * c-ada-spec.c (dump_nested_types): Add guard for error_mark_node.
5063         (print_ada_struct_decl): Likewise.
5064
5065 2015-11-23  Igor Zamyatin  <igor.zamyatin@intel.com>
5066
5067         PR c++/68001
5068         * c-gimplify.c (c_gimplify_expr): Stop the process if see an error.
5069         * cilk.c (recognize_spawn): Determine location in a more precise
5070         way.
5071
5072 2015-11-19  Jason Merrill  <jason@redhat.com>
5073
5074         * c-common.c (shorten_compare): But look through macros from
5075         system headers.
5076
5077 2015-11-18  Jason Merrill  <jason@redhat.com>
5078
5079         * c-common.c (shorten_compare): Don't -Wtype-limits if the
5080         non-constant operand comes from a macro.
5081
5082 2015-11-17  Jason Merrill  <jason@redhat.com>
5083
5084         PR bootstrap/68346
5085         * c-common.c (warn_tautological_cmp): Fold before checking for
5086         constants.
5087
5088 2015-11-16  Marek Polacek  <polacek@redhat.com>
5089
5090         PR c++/68362
5091         * c-common.c (check_case_bounds): Fold low and high cases.
5092
5093 2015-11-16  Marek Polacek  <polacek@redhat.com>
5094
5095         * c-ada-spec.c (dump_ada_template): Use RECORD_OR_UNION_TYPE_P.
5096         * c-common.c (c_common_get_alias_set): Likewise.
5097         (handle_visibility_attribute): Likewise.
5098
5099 2015-11-16  Kirill Yukhin  <kirill.yukhin@intel.com>
5100
5101         * c-common.c (handle_simd_attribute): New.
5102         (struct attribute_spec): Add entry for "simd".
5103         (handle_simd_attribute): New.
5104
5105 2015-11-13  Kai Tietz  <ktietz70@googlemail.com>
5106
5107         * c-lex.c (interpret_float): Use fold_convert.
5108
5109 2015-11-13  David Malcolm  <dmalcolm@redhat.com>
5110
5111         * c-common.c (c_fully_fold_internal): Capture existing souce_range,
5112         and store it on the result.
5113         * c-opts.c (c_common_init_options): Set
5114         global_dc->colorize_source_p.
5115
5116 2015-11-12  James Norris  <jnorris@codesourcery.com>
5117             Joseph Myers  <joseph@codesourcery.com>
5118
5119         * c-pragma.c (oacc_pragmas): Add entry for declare directive.
5120         * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_DECLARE.
5121         (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and
5122         PRAGMA_OACC_CLAUSE_LINK.
5123
5124 2015-11-11  Marek Polacek  <polacek@redhat.com>
5125
5126         PR c/68107
5127         PR c++/68266
5128         * c-common.c (valid_array_size_p): New function.
5129         * c-common.h (valid_array_size_p): Declare.
5130
5131 2015-11-11  Dominique d'Humieres  <dominiq@lps.ens.fr>
5132
5133         PR bootstrap/68271
5134         * c-pragma.c (c_register_pragma_1): Update the gcc_assert to 256.
5135
5136 2015-11-11  Andrew MacLeod  <amacleod@redhat.com>
5137
5138         * array-notation-common.c: Remove unused header files.
5139         * c-ada-spec.c: Likewise.
5140         * c-cilkplus.c: Likewise.
5141         * c-common.c: Likewise.
5142         * c-cppbuiltin.c: Likewise.
5143         * c-dump.c: Likewise.
5144         * c-format.c: Likewise.
5145         * c-gimplify.c: Likewise.
5146         * c-indentation.c: Likewise.
5147         * c-lex.c: Likewise.
5148         * c-omp.c: Likewise.
5149         * c-opts.c: Likewise.
5150         * c-pch.c: Likewise.
5151         * c-ppoutput.c: Likewise.
5152         * c-pragma.c: Likewise.
5153         * c-pretty-print.c: Likewise.
5154         * c-semantics.c: Likewise.
5155         * c-ubsan.c: Likewise.
5156         * cilk.c: Likewise.
5157         * stub-objc.c: Likewise.
5158
5159 2015-11-09  Thomas Schwinge  <thomas@codesourcery.com>
5160             Cesar Philippidis  <cesar@codesourcery.com>
5161             James Norris  <jnorris@codesourcery.com>
5162             Julian Brown  <julian@codesourcery.com>
5163             Nathan Sidwell  <nathan@codesourcery.com>
5164
5165         * c-pragma.c (oacc_pragmas): Add "routine".
5166         * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ROUTINE.
5167
5168 2015-11-08  Eric Botcazou  <ebotcazou@adacore.com>
5169
5170         * c-common.c (c_common_attributes): Add scalar_storage_order.
5171         (handle_scalar_storage_order_attribute): New function.
5172         * c-pragma.c (global_sso): New variable.
5173         (maybe_apply_pragma_scalar_storage_order): New function.
5174         (handle_pragma_scalar_storage_order): Likewise.
5175         (init_pragma): Register scalar_storage_order.
5176         * c-pragma.h (maybe_apply_pragma_scalar_storage_order): Declare.
5177         * c.opt (Wscalar-storage-order): New warning.
5178         (fsso-struct=): New option.
5179
5180 2015-11-08  Martin Sebor  <msebor@redhat.com>
5181
5182         * c.opt (Wplacement-new): Add a period to the end of a sentence.
5183
5184 2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>
5185
5186         * c-common.c: Don't undef DEF_BUILTIN.
5187
5188 2015-11-06  David Malcolm  <dmalcolm@redhat.com>
5189
5190         * c-common.c (c_cpp_error): Convert parameter from location_t to
5191         rich_location *.  Eliminate the "column_override" parameter and
5192         the call to diagnostic_override_column.
5193         Update the "done_lexing" clause to set range 0
5194         on the rich_location, rather than overwriting a location_t.
5195         * c-common.h (c_cpp_error): Convert parameter from location_t to
5196         rich_location *.  Eliminate the "column_override" parameter.
5197
5198 2015-11-05  Cesar Philippidis  <cesar@codesourcery.com>
5199             Thomas Schwinge  <thomas@codesourcery.com>
5200             James Norris  <jnorris@codesourcery.com>
5201
5202         * c-omp.c (c_oacc_split_loop_clauses): Make TILE, GANG, WORKER, VECTOR,
5203         AUTO, SEQ, INDEPENDENT and PRIVATE loop clauses.  Associate REDUCTION
5204         clauses with parallel and kernels and loops.
5205         * c-pragma.h (enum pragma_omp_clause): Add entries for
5206         PRAGMA_OACC_CLAUSE_{INDEPENDENT,TILE,DEFAULT}.
5207         * pt.c (tsubst_omp_clauses): Add support for OMP_CLAUSE_{NUM_GANGS,
5208         NUM_WORKERS,VECTOR_LENGTH,GANG,WORKER,VECTOR,ASYNC,WAIT,TILE,AUTO,
5209         INDEPENDENT,SEQ}.
5210         (tsubst_expr): Add support for OMP_CLAUSE_{KERNELS,PARALLEL,LOOP}.
5211
5212 2015-11-05  Martin Sebor  <msebor@redhat.com>
5213
5214         PR c++/67942
5215         * c.opt (-Wplacement-new): New option.
5216
5217 2015-11-05  Jakub Jelinek  <jakub@redhat.com>
5218
5219         * c-common.h (c_finish_omp_atomic): Add TEST argument.
5220         (c_omp_check_loop_iv, c_omp_check_loop_iv_exprs): New prototypes.
5221         * c-omp.c (c_finish_omp_atomic): Add TEST argument.  Don't call
5222         save_expr or create_tmp_var* if TEST is true.
5223         (c_finish_omp_for): Store OMP_FOR_ORIG_DECLS always.
5224         Don't call add_stmt here.
5225         (struct c_omp_check_loop_iv_data): New type.
5226         (c_omp_check_loop_iv_r, c_omp_check_loop_iv,
5227         c_omp_check_loop_iv_exprs): New functions.
5228         (c_omp_split_clauses): Adjust for lastprivate being allowed on
5229         distribute.
5230         (c_omp_declare_simd_clauses_to_numbers): Change
5231         OMP_CLAUSE_LINEAR_VARIABLE_STRIDE OMP_CLAUSE_LINEAR_STEP into numbers.
5232         (c_omp_declare_simd_clauses_to_decls): Similarly change those
5233         from numbers to PARM_DECLs.
5234
5235 2015-11-04  Mikhail Maltsev  <maltsevm@gmail.com>
5236
5237         * c-omp.c (c_omp_split_clauses): Remove conditional compilation. Use
5238         flag_checking.
5239
5240 2015-11-03  Bernd Schmidt  <bschmidt@redhat.com>
5241
5242         PR c++-common/67882
5243         * c-common.h (fold_offsetof_1): Add argument.
5244         * c-common.c (fold_offsetof_1): Diagnose more invalid
5245         offsetof expressions that reference elements past the end of
5246         an array.
5247
5248 2015-11-03  Thomas Schwinge  <thomas@codesourcery.com>
5249             Chung-Lin Tang  <cltang@codesourcery.com>
5250
5251         * c-pragma.c (oacc_pragmas): Add "atomic".
5252         * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ATOMIC.
5253
5254 2015-10-30  Evgeny Stupachenko  <evstupac@gmail.com>
5255
5256         * c-common.c (handle_target_clones_attribute): New.
5257         (c_common_attribute_table): Add handle_target_clones_attribute.
5258         (handle_always_inline_attribute): Add check on target_clones attribute.
5259         (handle_target_attribute): Ditto.
5260
5261 2015-10-29  Andrew MacLeod  <amacleod@redhat.com>
5262
5263         * array-notation-common.c: Reorder #include's and remove duplicates.
5264         * c-ada-spec.c: Likewise.
5265         * c-cilkplus.c: Likewise.
5266         * c-common.c: Likewise.
5267         * c-cppbuiltin.c: Likewise.
5268         * c-dump.c: Likewise.
5269         * c-format.c: Likewise.
5270         * c-gimplify.c: Likewise.
5271         * c-indentation.c: Likewise.
5272         * c-lex.c: Likewise.
5273         * c-omp.c: Likewise.
5274         * c-opts.c: Likewise.
5275         * c-pch.c: Likewise.
5276         * c-ppoutput.c: Likewise.
5277         * c-pragma.c: Likewise.
5278         * c-pretty-print.c: Likewise.
5279         * c-semantics.c: Likewise.
5280         * c-ubsan.c: Likewise.
5281         * cilk.c: Likewise.
5282         * stub-objc.c: Likewise.
5283
5284 2015-10-28  Jason Merrill  <jason@redhat.com>
5285
5286         * c-common.c (pointer_int_sum): Fold the MULT_EXPR.
5287
5288 2015-10-27  Thomas Schwinge  <thomas@codesourcery.com>
5289             James Norris  <jnorris@codesourcery.com>
5290             Cesar Philippidis  <cesar@codesourcery.com>
5291
5292         PR c/64765
5293         PR c/64880
5294         * c-common.h (c_oacc_split_loop_clauses): Declare function.
5295         * c-omp.c (c_oacc_split_loop_clauses): New function.
5296
5297 2015-10-21  Martin Sebor  <msebor@redhat.com>
5298
5299         PR driver/68043
5300         * c.opt: End each sentence that describes an option with a period.
5301
5302 2015-10-20  Marek Polacek  <polacek@redhat.com>
5303
5304         * array-notation-common.c (is_cilkplus_vector_p): Define.
5305         * c-common.h (is_cilkplus_vector_p): Declare.
5306
5307 2015-10-20  Marek Polacek  <polacek@redhat.com>
5308
5309         * c.opt (std=gnu++11): Do not describe as experimental.
5310         (std=gnu++14): Likewise.
5311
5312 2015-10-19  Jason Merrill  <jason@redhat.com>
5313
5314         * c-cppbuiltin.c (c_cpp_builtins): Define
5315         __cpp_nontype_template_args.
5316
5317 2015-10-19  Jason Merrill  <jason@redhat.com>
5318
5319         * c-cppbuiltin.c (c_cpp_builtins): Define
5320         __cpp_enumerator_attributes, __cpp_fold_expressions,
5321         __cpp_unicode_characters.
5322
5323 2015-10-13  Jakub Jelinek  <jakub@redhat.com>
5324             Aldy Hernandez  <aldyh@redhat.com>
5325
5326         * c-common.c (enum c_builtin_type): Define DEF_FUNCTION_TYPE_9,
5327         DEF_FUNCTION_TYPE_10 and DEF_FUNCTION_TYPE_11.
5328         (c_define_builtins): Likewise.
5329         * c-common.h (enum c_omp_clause_split): Add
5330         C_OMP_CLAUSE_SPLIT_TASKLOOP.
5331         (c_finish_omp_critical, c_finish_omp_ordered): Add CLAUSES argument.
5332         (c_finish_omp_for): Add ORIG_DECLV argument.
5333         * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP as
5334         201511 instead of 201307.
5335         * c-omp.c (c_finish_omp_critical): Add CLAUSES argument, set
5336         OMP_CRITICAL_CLAUSES to it.
5337         (c_finish_omp_ordered): Add CLAUSES argument, set
5338         OMP_ORDERED_CLAUSES to it.
5339         (c_finish_omp_for): Add ORIG_DECLV argument, set OMP_FOR_ORIG_DECLS
5340         to it if OMP_FOR.  Clear DECL_INITIAL on the IVs.
5341         (c_omp_split_clauses): Handle OpenMP 4.5 combined/composite
5342         constructs and new OpenMP 4.5 clauses.  Clear
5343         OMP_CLAUSE_SCHEDULE_SIMD if not combined with OMP_SIMD.  Add
5344         verification code.
5345         * c-pragma.c (omp_pragmas_simd): Add taskloop.
5346         * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKLOOP.
5347         (enum pragma_omp_clause): Add
5348         PRAGMA_OMP_CLAUSE_{DEFAULTMAP,GRAINSIZE,HINT,{IS,USE}_DEVICE_PTR}
5349         and PRAGMA_OMP_CLAUSE_{LINK,NOGROUP,NUM_TASKS,PRIORITY,SIMD,THREADS}.
5350
5351 2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>
5352
5353         * c-lex.c (interpret_float): Use real_equal instead of
5354         REAL_VALUES_EQUAL.
5355
5356 2015-10-04  Jason Merrill  <jason@redhat.com>
5357
5358         Implement N4514, C++ Extensions for Transactional Memory.
5359         * c-common.c (c_common_reswords): Add C++ TM TS keywords.
5360         (c_common_attribute_table): Add transaction_safe_dynamic.
5361         transaction_safe now affects type identity.
5362         (handle_tm_attribute): Handle transaction_safe_dynamic.
5363         * c-common.h (enum rid): Add RID_ATOMIC_NOEXCEPT,
5364         RID_ATOMIC_CANCEL, RID_SYNCHRONIZED.
5365         (OBJC_IS_CXX_KEYWORD): Add RID_SYNCHRONIZED.
5366         (D_TRANSMEM): New.
5367         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_transactional_memory.
5368         * c-pretty-print.c (pp_c_attributes_display): Don't print
5369         transaction_safe in C++.
5370
5371 2015-10-02  Marek Polacek  <polacek@redhat.com>
5372
5373         * c.opt (Wduplicated-cond): Don't enable by -Wall anymore.
5374
5375 2015-10-02  Marek Polacek  <polacek@redhat.com>
5376
5377         PR c/64249
5378         * c-common.c (warn_duplicated_cond_add_or_warn): New function.
5379         * c-common.h (warn_duplicated_cond_add_or_warn): Declare.
5380         * c.opt (Wduplicated-cond): New option.
5381
5382 2015-10-01  Joseph Myers  <joseph@codesourcery.com>
5383
5384         * c.opt (std=c11): Do not describe as experimental.
5385         (std=gnu11): Likewise.
5386         (std=iso9899:2011): Likewise.
5387
5388 2015-09-28  Nathan Sidwell  <nathan@codesourcery.com>
5389
5390         * c-common.c (DEF_FUNCTION_TYPE_VAR_6): New.
5391         (DEF_FUNCTION_TYPE_VAR_11): Delete.
5392
5393 2015-09-25  Marek Polacek  <polacek@redhat.com>
5394
5395         * c-ubsan.c (ubsan_instrument_division): Remove unnecessary code.
5396         (ubsan_instrument_shift): Likewise.
5397
5398 2015-09-25  Marek Polacek  <polacek@redhat.com>
5399
5400         PR sanitizer/64906
5401         * c-ubsan.c (ubsan_instrument_division): Also pre-evaluate OP1.
5402
5403 2015-09-24  Patrick Palka  <ppalka@gcc.gnu.org>
5404
5405         * c-indentation.c (should_warn_for_misleading_indentation):
5406         Compare next_stmt_vis_column with guard_line_first_nws instead
5407         of with guard_line_vis_column.
5408
5409 2015-09-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5410
5411         PR c/49654
5412         PR c/49655
5413         * c-pragma.c (handle_pragma_diagnostic): Detect non-warning
5414         options and options not valid for the current language.
5415
5416 2015-09-22  Patrick Palka  <ppalka@gcc.gnu.org>
5417
5418         * c-indentation.c (should_warn_for_misleading_indentation):
5419         Float out and consolidate the calls to get_visual_column that
5420         are passed guard_exploc as an argument.  Compare
5421         next_stmt_vis_column with guard_line_first_nws instead of with
5422         body_line_first_nws.
5423
5424 2015-09-22  Nathan Sidwell  <nathan@codesourcery.com>
5425
5426         * c.opt (Wmultiple-inheritance, Wvirtual-inheritance, Wtemplates,
5427         Wnamespaces): New C++ warnings.
5428
5429 2015-09-22  Jason Merrill  <jason@redhat.com>
5430
5431         * c-common.h (abi_compat_version_crosses): New.
5432         (warn_abi_version): Declare.
5433         * c-common.c: Define it.
5434         * c-opts.c (c_common_post_options): Handle it.
5435         flag_abi_compat_version defaults to 8.
5436
5437 2015-09-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
5438
5439         Complete the implementation of N4230, Nested namespace definition.
5440         * c-cppbuiltin.c: Add __cpp_namespace_attributes and
5441         __cpp_nested_namespace_definitions.
5442
5443 2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5444
5445         * c-pragma.c (handle_pragma_diagnostic): Fix wrong return.
5446
5447 2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5448
5449         * c-pragma.c (handle_pragma_diagnostic): Use explicit location
5450         when warning.
5451         * c-pragma.h (pragma_lex): Add optional loc argument.
5452
5453 2015-09-16  Mikhail Maltsev  <maltsevm@gmail.com>
5454
5455         * c-format.c (check_format_arg): Adjust to use common block size in all
5456         object pools.
5457
5458 2015-09-15  David Malcolm  <dmalcolm@redhat.com>
5459
5460         * c-format.c (location_from_offset): Update for change in
5461         signature of location_get_source_line.
5462         * c-indentation.c (get_visual_column): Likewise.
5463         (line_contains_hash_if): Likewise.
5464
5465 2015-09-14  Marek Polacek  <polacek@redhat.com>
5466
5467         * c-opts.c (c_common_post_options): Set C++ standard earlier, before
5468         setting various warnings.
5469
5470 2015-09-14  Marek Polacek  <polacek@redhat.com>
5471
5472         * c-common.c (warn_for_sign_compare): Cast to unsigned when shifting
5473         a negative value.
5474
5475 2015-09-11  Mark Wielaard  <mjw@redhat.com>
5476
5477         PR c/28901
5478         * c.opt (Wunused-variable): Option from common.opt.
5479         (Wunused-const-variable): New option.
5480
5481 2015-09-09  Paolo Carlini  <paolo.carlini@oracle.com>
5482
5483         PR c++/53184
5484         * c.opt ([Wsubobject-linkage]): Add.
5485
5486 2015-09-03  Martin Sebor  <msebor@redhat.com>
5487
5488         PR c/66516
5489         * c-common.h (c_decl_implicit, reject_gcc_builtin): Declare new
5490         functions.
5491         * c-common.c (reject_gcc_builtin): Define.
5492
5493 2015-09-02  Balaji V. Iyer  <balaji.v.iyer@intel.com>
5494
5495         PR middle-end/60586
5496         * c-common.h (cilk_gimplify_call_params_in_spawned_fn): New
5497         prototype.
5498         * c-gimplify.c (c_gimplify_expr): Added a call to the function
5499         cilk_gimplify_call_params_in_spawned_fn.
5500         * cilk.c (cilk_gimplify_call_params_in_spawned_fn): New function.
5501         (gimplify_cilk_spawn): Removed EXPR_STMT and CLEANUP_POINT_EXPR
5502         unwrapping.
5503
5504 2015-08-25  Marek Polacek  <polacek@redhat.com>
5505
5506         PR middle-end/67330
5507         * c-common.c (handle_weak_attribute): Don't check whether the
5508         visibility can be changed here.
5509
5510 2015-08-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5511
5512         * c-lex.c (c_lex_with_flags): Use explicit locations.
5513
5514 2015-08-18  Trevor Saunders  <tbsaunde@tbsaunde.org>
5515
5516         * c-ada-spec.h, c-common.c, c-common.h, c-format.c, c-format.h,
5517         c-objc.h, c-ppoutput.c, c-pragma.c, c-pragma.h: Remove useless
5518
5519 2015-08-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
5520
5521         PR middle-end/36757
5522         * c-common.c (check_builtin_function_arguments): Add check
5523         for BUILT_IN_SIGNBIT argument.
5524
5525 2015-08-18  Paolo Carlini  <paolo.carlini@oracle.com>
5526
5527         PR c++/67160
5528         * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_static_assert value
5529         in c++1z mode.
5530
5531 2015-08-17  Marek Polacek  <polacek@redhat.com>
5532
5533         * c-pretty-print.c (pp_c_cv_qualifiers): Remove code dealing
5534         with whitespaces before qualifier names.
5535
5536 2015-08-12  Marek Polacek  <polacek@redhat.com>
5537
5538         PR c++/55095
5539         * c-common.c (maybe_warn_shift_overflow): Properly handle
5540         left-shifting 1 into the sign bit.
5541
5542 2015-08-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5543
5544         * c.opt (Wchkp): Use LangEnabledBy instead of EnabledBy.
5545
5546 2015-08-06  Andrew Sutton  <andrew.n.sutton@gmail.com>
5547             Braden Obrzut  <admin@maniacsvault.net>
5548             Jason Merrill  <jason@redhat.com>
5549
5550         Add C++ Concepts TS support.
5551         * c-common.c (c_common_reswords): Add __is_same_as, concept, requires.
5552         * c-common.h (enum rid): Add RID_IS_SAME_AS, RID_CONCEPT, RID_REQUIRES.
5553         (D_CXX_CONCEPTS, D_CXX_CONCEPTS_FLAGS): New.
5554         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_concepts.
5555         * c-opts.c (set_std_cxx1z): Set flag_concepts.
5556         * c.opt (fconcepts): New.
5557
5558 2015-08-02  Martin Sebor  <msebor@redhat.com>
5559
5560         * c.opt (-Wframe-address): New warning option.
5561
5562 2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>
5563
5564         * c-indentation.c (should_warn_for_misleading_indentation):
5565         Improve heuristics.
5566
5567 2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>
5568
5569         * c-indentation.c (get_visual_column): Add parameter first_nws,
5570         use it.  Update comment documenting the function.
5571         (is_first_nonwhitespace_on_line): Remove.
5572         (should_warn_for_misleading_indentation): Replace usage of
5573         of is_first_nonwhitespace_on_line with get_visual_column.
5574
5575 2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>
5576
5577         * c-indentation.h (struct token_indent_info): Define.
5578         (get_token_indent_info): Define.
5579         (warn_for_misleading_information): Declare.
5580         * c-common.h (warn_for_misleading_information): Remove.
5581         * c-identation.c (warn_for_misleading_indentation):
5582         Change declaration to take three token_indent_infos.  Adjust
5583         accordingly.
5584         * c-identation.c (should_warn_for_misleading_indentation):
5585         Likewise.  Bail out early if the body is a compound statement.
5586         (guard_tinfo_to_string): Define.
5587
5588 2015-07-30  Jason Merrill  <jason@redhat.com>
5589
5590         * c-pretty-print.c (unary_expression) [INDIRECT_REF]: Don't print
5591         '*' for reference decay.
5592
5593 2015-07-30  Marek Polacek  <polacek@redhat.com>
5594
5595         * c-common.c (warn_tautological_cmp): Bail for float types.
5596
5597 2015-07-27  Marek Polacek  <polacek@redhat.com>
5598
5599         PR bootstrap/67030
5600         * c-common.c (warn_tautological_cmp): Don't warn for macro expansion.
5601
5602 2015-07-27  Marek Polacek  <polacek@redhat.com>
5603
5604         PR c++/66555
5605         PR c/54979
5606         * c-common.c (find_array_ref_with_const_idx_r): New function.
5607         (warn_tautological_cmp): New function.
5608         * c-common.h (warn_tautological_cmp): Declare.
5609         * c.opt (Wtautological-compare): New option.
5610
5611 2015-07-23  Marek Polacek  <polacek@redhat.com>
5612
5613         * c-ubsan.c (ubsan_instrument_division): Use unshare_expr throughout.
5614         (ubsan_instrument_shift): Likewise.
5615
5616 2015-07-23  Marek Polacek  <polacek@redhat.com>
5617
5618         PR sanitizer/66908
5619         * c-ubsan.c: Include gimplify.h.
5620         (ubsan_instrument_division): Unshare OP0 and OP1.
5621         (ubsan_instrument_shift): Likewise.
5622
5623 2015-07-20  Marek Polacek  <polacek@redhat.com>
5624             Richard Sandiford  <richard.sandiford@arm.com>
5625
5626         PR c++/55095
5627         * c-common.c (c_fully_fold_internal): Warn about left shift overflows.
5628         Use EXPR_LOC_OR_LOC.
5629         (maybe_warn_shift_overflow): New function.
5630         * c-common.h (maybe_warn_shift_overflow): Declare.
5631         * c-opts.c (c_common_post_options): Set warn_shift_overflow.
5632         * c.opt (Wshift-overflow): New option.
5633
5634 2015-07-16  Martin Liska  <mliska@suse.cz>
5635
5636         * c-format.c (static void check_format_info_main): Use
5637         object_allocator instead of pool_allocator.
5638         (check_format_arg): Likewise.
5639         (check_format_info_main): Likewise.
5640
5641 2015-07-15  Andrew MacLeod  <amacleod@redhat.com>
5642
5643         * c-opts.c: Remove multiline #include comment.
5644
5645 2015-07-12  Aldy Hernandez  <aldyh@redhat.com>
5646
5647         * c-common.c: Fix double word typos.
5648
5649 2015-07-10  Eric Botcazou  <ebotcazou@adacore.com>
5650
5651         * c-ada-spec.h (cpp_operation): Revert latest change.
5652         * c-ada-spec.c (print_ada_declaration): Likewise.  Skip implicit
5653         constructors and destructors.
5654
5655 2015-07-09  Andrew MacLeod  <amacleod@redhat.com>
5656
5657         * c-common.h: Adjust includes for flags.h changes.
5658         * stub-objc.c: Likewise.
5659
5660 2015-07-08  Eric Botcazou  <ebotcazou@adacore.com>
5661
5662         * c-ada-spec.h (cpp_operation): Add IS_CONSTEXPR.
5663         * c-ada-spec.c (print_ada_declaration): Skip constexpr constructors.
5664
5665 2015-07-08  Jakub Jelinek  <jakub@redhat.com>
5666
5667         * c-omp.c (c_omp_declare_simd_clauses_to_numbers): If all clauses
5668         are to be removed, return NULL rather than original clauses list.
5669
5670 2015-07-07  Andrew MacLeod  <amacleod@redhat.com>
5671
5672         * array-notation-common.c: Adjust includes.
5673         * c-ada-spec.c: Likewise.
5674         * c-cilkplus.c: Likewise.
5675         * c-common.h: Likewise.
5676         * c-cppbuiltin.c: Likewise.
5677         * c-dump.c: Likewise.
5678         * c-format.c: Likewise.
5679         * c-gimplify.c: Likewise.
5680         * c-indentation.c: Likewise.
5681         * c-lex.c: Likewise.
5682         * c-omp.c: Likewise.
5683         * c-opts.c: Likewise.
5684         * c-pch.c: Likewise.
5685         * c-ppoutput.c: Likewise.
5686         * c-pragma.c: Likewise.
5687         * c-pretty-print.c: Likewise.
5688         * c-semantics.c: Likewise.
5689         * c-ubsan.c: Likewise.
5690         * cilk.c: Likewise.
5691         * stub-objc.c: Likewise.
5692
5693 2015-07-07  Eric Botcazou  <ebotcazou@adacore.com>
5694
5695         * c-ada-spec.h (cpp_operation): Add IS_MOVE_CONSTRUCTOR.
5696         * c-ada-spec.c (print_ada_declaration): Skip move constructors.
5697
5698 2015-07-01  Jason Merrill  <jason@redhat.com>
5699
5700         * c-common.h (D_CXX11): Rename from D_CXX0X.
5701         (RID_FIRST_CXX11, RID_LAST_CXX11): Rename from *_CXX0X.
5702         * c-common.c: Adjust.
5703
5704         * c-opts.c (c_common_post_options): Default to C++14.
5705
5706         * c-opts.c (c_common_post_options): Highest ABI level is now 10.
5707
5708 2015-06-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
5709
5710         Implement N4197 - Adding u8 character literals
5711         * c-ada-spec.c (print_ada_macros): Treat CPP_UTF8CHAR like
5712         CPP_CHAR.
5713         * c-common.c (c_parse_error): Print CPP_UTF8CHAR and
5714         CPP_UTF8CHAR_USERDEF tokens.
5715         * c-lex.c (c_lex_with_flags): Treat CPP_UTF8CHAR_USERDEF
5716         and CPP_UTF8CHAR tokens.
5717         (lex_charconst): Treat CPP_UTF8CHAR token.
5718
5719 2015-06-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5720
5721         PR fortran/66605
5722         * c-common.c (do_warn_unused_parameter): Move here.
5723         * c-common.h (do_warn_unused_parameter): Declare.
5724
5725 2015-06-29  Marek Polacek  <polacek@redhat.com>
5726
5727         PR c/66322
5728         * c-common.c (check_case_bounds): Add bool * parameter.  Set
5729         OUTSIDE_RANGE_P.
5730         (c_add_case_label): Add bool * parameter.  Pass it down to
5731         check_case_bounds.
5732         (c_do_switch_warnings): Add bool parameters.  Implement -Wswitch-bool
5733         warning here.
5734         * c-common.h (c_add_case_label, c_do_switch_warnings): Update
5735         declarations.
5736
5737 2015-06-27  Marek Polacek  <polacek@redhat.com>
5738
5739         * c-common.c (check_main_parameter_types): Use VECTOR_TYPE_P
5740         or VECTOR_INTEGER_TYPE_P throughout.
5741         * c-gimplify.c: Likewise.
5742
5743 2015-06-26  Marek Polacek  <polacek@redhat.com>
5744
5745         * array-notation-common.c (find_rank): Use INDIRECT_REF_P.
5746         * c-common.c (c_fully_fold_internal): Likewise.
5747         (c_alignof_expr): Likewise.
5748         * c-pretty-print.c (c_pretty_printer::postfix_expression): Likewise.
5749         * c-ubsan.c (ubsan_instrument_bounds): Likewise.
5750         * cilk.c (create_parm_list): Likewise.
5751
5752 2015-06-26  Marek Polacek  <polacek@redhat.com>
5753
5754         * c-common.c (handle_unused_attribute): Use VAR_OR_FUNCTION_DECL_P.
5755
5756 2015-06-25  Andrew MacLeod  <amacleod@redhat.com>
5757
5758         * c-common.c: Remove ipa-ref.h and plugin-api.h from include list.
5759         * c-gimplify.c: Likewise.
5760         * c-pragma.c: Likewise.
5761         * c-ubsan.c: Likewise.
5762         * cilk.c: Likewise.
5763
5764 2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>
5765
5766         * c-common.c (c_type_hasher): Inherit from ggc_ptr_hash rather than
5767         ggc_hasher.
5768
5769 2015-06-25  Andrew MacLeod  <amacleod@redhat.com>
5770
5771         * cilk.c: Move calls.h after tm.h in the include chain.
5772
5773 2015-06-25  Marek Polacek  <polacek@redhat.com>
5774
5775         * array-notation-common.c: Use VAR_P throughout.
5776         * c-ada-spec.c: Likewise.
5777         * c-common.c: Likewise.
5778         * c-format.c: Likewise.
5779         * c-gimplify.c: Likewise.
5780         * c-omp.c: Likewise.
5781         * c-pragma.c: Likewise.
5782         * c-pretty-print.c: Likewise.
5783         * cilk.c: Likewise.
5784
5785 2015-06-25  Marek Polacek  <polacek@redhat.com>
5786
5787         * cilk.c (extract_free_variables): Use is_global_var.
5788
5789 2015-06-23  Richard Sandiford  <richard.sandiford@arm.com>
5790
5791         * c-common.c: Don't include target-def.h.
5792
5793 2015-06-23  Marek Polacek  <polacek@redhat.com>
5794
5795         * c-common.c (warn_logical_operator): Use tree_int_cst_equal
5796         when comparing INTEGER_CSTs.
5797
5798 2015-06-22  Pierre-Marie de Rodat  <derodat@adacore.com>
5799
5800         * c-ada-spec.h (cpp_operation): Add HAS_DEPENDENT_TEMPLATE_ARGS.
5801         * c-ada-spec.c (collect_ada_nodes): Skip NAMESPACE_DECL
5802         (dump_ada_template): Skip partially specialized types.
5803
5804 2015-06-22  Mikhail Maltsev  <maltsevm@gmail.com>
5805
5806         * c-common.c (scalar_to_vector): Use std::swap instead of manually
5807         swapping.
5808
5809 2015-06-17  Andrew MacLeod  <amacleod@redhat.com>
5810
5811         * array-notation-common.c: Do not include input.h, line-map.h or is-a.h.
5812         * c-ada-spec.c: Likewise.
5813         * c-cilkplus.c: Likewise.
5814         * c-common.c: Likewise.
5815         * c-common.h: Likewise.
5816         * c-cppbuiltin.c: Likewise.
5817         * c-dump.c: Likewise.
5818         * c-format.c: Likewise.
5819         * c-gimplify.c: Likewise.
5820         * c-indentation.c: Likewise.
5821         * c-lex.c: Likewise.
5822         * c-omp.c: Likewise.
5823         * c-opts.c: Likewise.
5824         * c-pch.c: Likewise.
5825         * c-ppoutput.c: Likewise.
5826         * c-pragma.c: Likewise.
5827         * c-pretty-print.c: Likewise.
5828         * c-semantics.c: Likewise.
5829         * c-ubsan.c: Likewise.
5830         * cilk.c: Likewise.
5831         * stub-objc.c: Likewise.
5832
5833 2015-06-13  Patrick Palka  <ppalka@gcc.gnu.org>
5834
5835         PR c++/65168
5836         * c-common.c (c_common_truthvalue_conversion): Warn when
5837         converting an address of a reference to a truth value.
5838
5839 2015-06-08  Andrew MacLeod  <amacleod@redhat.com>
5840
5841         * array-notation-common.c : Adjust include files.
5842         * c-ada-spec.c : Likewise.
5843         * c-cilkplus.c : Likewise.
5844         * c-common.c : Likewise.
5845         * c-common.h : Likewise.
5846         * c-cppbuiltin.c : Likewise.
5847         * c-dump.c : Likewise.
5848         * c-format.c : Likewise.
5849         * c-gimplify.c : Likewise.
5850         * c-indentation.c : Likewise.
5851         * c-lex.c : Likewise.
5852         * c-omp.c : Likewise.
5853         * c-opts.c : Likewise.
5854         * c-pch.c : Likewise.
5855         * c-ppoutput.c : Likewise.
5856         * c-pragma.c : Likewise.
5857         * c-pretty-print.c : Likewise.
5858         * c-semantics.c : Likewise.
5859         * c-ubsan.c : Likewise.
5860         * cilk.c : Likewise.
5861         * stub-objc.c : Likewise.
5862
5863 2015-06-08  Marek Polacek  <polacek@redhat.com>
5864
5865         PR c/66415
5866         * c-format.c (location_from_offset): Return LOC if LINE is null.
5867
5868 2015-06-05  Aldy Hernandez  <aldyh@redhat.com>
5869
5870         * c-common.h (c_parse_final_cleanups): New prototype.
5871         * c-opts.c (c_common_parse_file): Call c_parse_final_cleanups.
5872
5873 2015-06-04  Sriraman Tallam  <tmsriram@google.com>
5874
5875         * c-common.c (noplt): New attribute.
5876         (handle_noplt_attribute): New handler.
5877
5878 2015-06-04  Andrew MacLeod  <amacleod@redhat.com>
5879
5880         * array-notation-common.c: Adjust includes for restructured coretypes.h.
5881         * c-ada-spec.c: Likewise.
5882         * c-cilkplus.c: Likewise.
5883         * c-common.c: Likewise.
5884         * c-common.h: Likewise.
5885         * c-cppbuiltin.c: Likewise.
5886         * c-dump.c: Likewise.
5887         * c-format.c: Likewise.
5888         * c-gimplify.c: Likewise.
5889         * c-indentation.c: Likewise.
5890         * c-lex.c: Likewise.
5891         * c-omp.c: Likewise.
5892         * c-opts.c: Likewise.
5893         * c-pch.c: Likewise.
5894         * c-ppoutput.c: Likewise.
5895         * c-pragma.c: Likewise.
5896         * c-pretty-print.c: Likewise.
5897         * c-semantics.c: Likewise.
5898         * c-ubsan.c: Likewise.
5899         * cilk.c: Likewise.
5900         * stub-objc.c: Likewise.
5901
5902 2015-06-02  David Malcolm  <dmalcolm@redhat.com>
5903
5904         PR c/66220:
5905         * c-indentation.c (should_warn_for_misleading_indentation): Use
5906         expand_location rather than expand_location_to_spelling_point.
5907         Don't warn if the guarding statement is more indented than the
5908         next/body stmts.
5909
5910 2015-06-02  David Malcolm  <dmalcolm@redhat.com>
5911
5912         * c-indentation.c (warn_for_misleading_indentation): Bail out
5913         immediately if -Wmisleading-indentation isn't enabled.
5914
5915 2015-06-01  Martin Liska  <mliska@suse.cz>
5916
5917         * c-format.c (check_format_arg):Use new type-based pool allocator.
5918         (check_format_info_main) Likewise.
5919
5920 2015-05-31  Eric Botcazou  <ebotcazou@adacore.com>
5921
5922         * c-ada-spec.c (is_tagged_type): Test for TYPE_METHODS on main variant.
5923         (has_nontrivial_methods): Likewise.
5924
5925 2015-05-25  Marek Polacek  <polacek@redhat.com>
5926
5927         * c-ubsan.c (ubsan_instrument_shift): Use type0.
5928
5929 2015-05-22  Marek Polacek  <polacek@redhat.com>
5930
5931         PR c/47043
5932         * c-common.c (handle_deprecated_attribute): Allow CONST_DECL.
5933
5934 2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5935
5936         * c-cppbuiltin.c (c_cpp_builtins): Use if instead of #if with
5937         STACK_GROWS_DOWNWARD.
5938
5939 2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5940
5941         * c-cppbuiltin.c (c_cpp_builtins): Check the value of
5942         STACK_GROWS_DOWNWARD rather than if it is defined.
5943
5944 2015-05-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5945
5946         PR c/52952
5947         * c-format.c (location_column_from_byte_offset): New.
5948         (location_from_offset): New.
5949         (struct format_wanted_type): Add offset_loc field.
5950         (check_format_info): Move handling of location for extra arguments
5951         closer to the point of warning.
5952         (check_format_info_main): Pass the result of location_from_offset
5953         to warning_at.
5954         (format_type_warning): Pass the result of location_from_offset
5955         to warning_at.
5956
5957 2015-05-20  Marek Polacek  <polacek@redhat.com>
5958
5959         * c-omp.c (check_omp_for_incr_expr): Use BINARY_CLASS_P.
5960
5961 2015-05-20  Marek Polacek  <polacek@redhat.com>
5962
5963         * c-ada-spec.c (dump_sloc): Use DECL_P.
5964
5965 2015-05-20  Marek Polacek  <polacek@redhat.com>
5966
5967         * c-pragma.c: Use VAR_OR_FUNCTION_DECL_P throughout.
5968         * c-common.c: Likewise.
5969
5970 2015-05-19  David Malcolm  <dmalcolm@redhat.com>
5971
5972         * c-common.h (fe_file_change): Strengthen param from
5973         const line_map * to const line_map_ordinary *.
5974         (pp_file_change): Likewise.
5975         * c-lex.c (fe_file_change): Likewise.
5976         (cb_define): Use linemap_check_ordinary when invoking
5977         SOURCE_LINE.
5978         (cb_undef): Likewise.
5979         * c-opts.c (c_finish_options): Use linemap_check_ordinary when
5980         invoking cb_file_change.
5981         (c_finish_options): Likewise.
5982         (push_command_line_include): Likewise.
5983         (cb_file_change): Strengthen param "new_map" from
5984         const line_map * to const line_map_ordinary *.
5985         * c-ppoutput.c (cb_define): Likewise for local "map".
5986         (pp_file_change): Likewise for param "map" and local "from".
5987
5988 2015-05-19  Mikhail Maltsev  <maltsevm@gmail.com>
5989
5990         * c-common.c (shorten_compare): Use std::swap instead of explicit swaps.
5991
5992 2015-05-18  Tom de Vries  <tom@codesourcery.com>
5993
5994         * c-common.c (build_va_arg_1): New function.
5995         (build_va_arg): Add address operator to va_list operand if necessary.
5996
5997 2015-05-15  Mikhail Maltsev  <maltsevm@gmail.com>
5998
5999         PR c/48956
6000         * c-common.c (int_safely_convertible_to_real_p): Define.
6001         (unsafe_conversion_p): Check conversions involving complex types.
6002         (conversion_warning): Add new warning message for conversions which
6003         discard imaginary component.
6004         * c-common.h: (enum conversion_safety): Add new enumerator for such
6005         conversions.
6006
6007 2015-05-14  Marek Polacek  <polacek@redhat.com>
6008
6009         PR c/66066
6010         PR c/66127
6011         * c-common.c (c_fully_fold): Pass false down to c_fully_fold_internal.
6012         (c_fully_fold_internal): Fold C_MAYBE_CONST_EXPRs with
6013         C_MAYBE_CONST_EXPR_INT_OPERANDS set.  Add FOR_INT_CONST argument and
6014         use it.  If FOR_INT_CONST, require that all evaluated operands be
6015         INTEGER_CSTs.
6016
6017 2015-05-12  David Malcolm  <dmalcolm@redhat.com>
6018
6019         * c-common.h (warn_for_misleading_indentation): New prototype.
6020         * c-indentation.c: New file.
6021         * c.opt (Wmisleading-indentation): New option.
6022
6023 2015-05-12  Tom de Vries  <tom@codesourcery.com>
6024
6025         PR tree-optimization/66010
6026         * c-common.c (build_va_arg): Don't mark ap addressable unless necessary.
6027
6028 2015-05-09  Jason Merrill  <jason@redhat.com>
6029
6030         * c-opts.c (c_common_post_options): Also clear
6031         cpp_opts->cpp_warn_cxx11_compat.
6032
6033         * c-common.h (enum cxx_dialect): Add cxx_unset.
6034         * c-common.c (cxx_dialect): Initialize to cxx_unset.
6035         * c-opts.c (c_common_post_options): Set C++ dialect to C++98 if unset.
6036
6037         * c.opt (std=c++14): Remove Undocumented flag and experimental warning.
6038         (std=gnu++0x): Mark as Undocumented.
6039         (std=gnu++1y): Add deprecated message.
6040
6041 2015-05-08  Jason Merrill  <jason@redhat.com>
6042
6043         * c.opt (Wc++11-compat): Make primary.  Rename var warn_cxx11_compat.
6044         * c-opts.c: Adjust.
6045
6046         * c.opt (Wc++0x-compat): Also set cpp_warn_cxx11_compat.
6047
6048 2015-05-08  Marek Polacek  <polacek@redhat.com>
6049
6050         PR c/64918
6051         * c.opt (Woverride-init-side-effects): New option.
6052
6053 2015-05-07  Marek Polacek  <polacek@redhat.com>
6054
6055         PR c/65179
6056         * c-common.c (c_fully_fold_internal): Warn when left shifting a
6057         negative value.
6058         * c.opt (Wshift-negative-value): New option.
6059         * c-opts.c (c_common_post_options): Set warn_shift_negative_value
6060         when -Wextra and C99/C++11 mode.
6061
6062 2015-05-07  Marek Polacek  <polacek@redhat.com>
6063             Martin Uecker  <uecker@eecs.berkeley.edu>
6064
6065         * c-ubsan.c (ubsan_instrument_bounds): Don't skip instrumenting
6066         flexible member array-like members if SANITIZE_BOUNDS_STRICT.
6067
6068 2015-05-05  Jason Merrill  <jason@redhat.com>
6069
6070         * c.opt (Wterminate): New.
6071
6072 2015-04-30  Marek Polacek  <polacek@redhat.com>
6073
6074         * c-common.c (maybe_warn_bool_compare): When comparing with 0/1,
6075         require that the non-constant be of a boolean type.
6076
6077 2015-04-29  Josh Triplett  <josh@joshtriplett.org>
6078
6079         * c-common.c (handle_section_attribute): Refactor to reduce
6080         nesting and distinguish between error cases.
6081
6082 2015-04-29  Marek Polacek  <polacek@redhat.com>
6083
6084         PR c/64610
6085         * c-common.c (maybe_warn_bool_compare): Warn when comparing a boolean
6086         with 0/1.
6087
6088 2015-04-29  Jakub Jelinek  <jakub@redhat.com>
6089
6090         * c-common.h (omp_clause_mask): Unconditionally define as a class.
6091         Use uint64_t instead of unsigned HOST_WIDE_INT and 64 instead of
6092         HOST_BITS_PER_WIDE_INT.
6093
6094 2015-04-28  Tom de Vries  <tom@codesourcery.com>
6095
6096         PR tree-optimization/65887
6097         * c-common.c (build_va_arg): Mark va_arg ap argument as addressable.
6098
6099 2015-04-28  Eric Botcazou  <ebotcazou@adacore.com>
6100             Pierre-Marie de Rodat  <derodat@adacore.com>
6101
6102         * c-ada-spec.c (in_function): Delete.
6103         (dump_generic_ada_node): Do not change in_function and remove the
6104         redundant code dealing with it.
6105         (print_ada_declaration): Do not change in_function.  Use INDENT_INCR.
6106         (print_ada_methods): Output the static member functions in a nested
6107         package after the regular methods as well as associated renamings.
6108
6109 2015-04-24  Marek Polacek  <polacek@redhat.com>
6110
6111         PR c/65830
6112         * c-common.c (c_fully_fold_internal): Use OPT_Wshift_count_negative
6113         and OPT_Wshift_count_overflow.
6114
6115         PR c/63357
6116         * c-common.c (warn_logical_operator): Warn if the operands have the
6117         same expressions.
6118
6119 2015-04-24  Marek Polacek  <polacek@redhat.com>
6120
6121         PR c/61534
6122         * c-common.c (warn_logical_operator): Bail if either operand comes
6123         from a macro expansion.
6124
6125 2015-04-10  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6126
6127         PR target/55143
6128         * c-common.c (c_default_pointer_mode): Add definition.
6129         * c-common.h (c_default_pointer_mode): Add declaration.
6130
6131 2015-03-11  Jakub Jelinek  <jakub@redhat.com>
6132
6133         * c-common.c (c_common_nodes_and_builtins): Don't call xstrdup
6134         on record_builtin_type argument.
6135
6136 2015-03-10  Jakub Jelinek  <jakub@redhat.com>
6137
6138         PR c/65120
6139         * c-common.c (warn_logical_not_parentheses): Don't warn for
6140         !x == 0 or !x != 0.
6141
6142 2015-03-07  Marek Polacek  <polacek@redhat.com>
6143
6144         PR sanitizer/65280
6145         * c-ubsan.c (ubsan_instrument_bounds): Check for COMPONENT_REF
6146         before trying to figure out whether we have a flexible array member.
6147
6148 2015-03-06  Eric Botcazou  <ebotcazou@adacore.com>
6149             Jonathan Wakely  <jwakely.gcc@gmail.com>
6150
6151         * c-ada-spec.c (dump_ada_double_name): Fix pasto.
6152
6153 2015-03-05  Eric Botcazou  <ebotcazou@adacore.com>
6154
6155         PR ada/65319
6156         * c-ada-spec.c (print_destructor): Remove obsolete code.
6157
6158 2015-03-01  Eric Botcazou  <ebotcazou@adacore.com>
6159
6160         * c-ada-spec.c (is_tagged_type): Add guard for DECL_VINDEX.
6161         (dump_template_types): Adjust DECL_TEMPLATE_INSTANTIATIONS and
6162         DECL_TEMPLATE_RESULT emulations.
6163         (dump_ada_template)): Add guard for TYPE_METHODS.
6164
6165 2015-02-27  Marek Polacek  <polacek@redhat.com>
6166
6167         PR c/65040
6168         * c.opt (Wformat-signedness): Don't enable by -Wformat=2.
6169
6170 2015-02-27  Kai Tietz  <ktietz@redhat.com>
6171
6172         PR c/35330
6173         * c-pragma.c (handle_pragma_weak): Do not try to create
6174         weak/alias of declarations not being function, or variable
6175         declarations.
6176
6177 2015-02-24  Thomas Schwinge  <thomas@codesourcery.com>
6178
6179         PR libgomp/64625
6180         * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12):
6181         Remove macros.
6182         (DEF_FUNCTION_TYPE_VAR_7, DEF_FUNCTION_TYPE_VAR_11): New macros.
6183
6184 2015-02-16  Marek Polacek  <polacek@redhat.com>
6185
6186         PR c/65066
6187         * c-format.c (check_format_types): Handle null param.
6188
6189 2015-02-13  Marek Polacek  <polacek@redhat.com>
6190
6191         PR c/65040
6192         * c-format.c (check_format_types): Don't warn about different
6193         signedness if the original value is in the range of WANTED_TYPE.
6194
6195 2015-02-12  Jason Merrill  <jason@redhat.com>
6196
6197         PR c++/64956
6198         * c-opts.c (c_common_post_options): Change flag_abi_version from 0
6199         to the current highest version.
6200         * c-cppbuiltin.c (c_cpp_builtins): Assert that it isn't 0.
6201
6202 2015-02-04  Jakub Jelinek  <jakub@redhat.com>
6203
6204         PR c/64824
6205         PR c/64868
6206         * c-omp.c (c_finish_omp_atomic): Use TRUNC_DIV_EXPR
6207         instead of RDIV_EXPR.  Use build_binary_op instead of
6208         build2_loc.
6209
6210 2015-01-30  Joseph Myers  <joseph@codesourcery.com>
6211
6212         * c-opts.c, c-pch.c, cppspec.c: All callers of fatal_error changed
6213         to pass input_location as first argument.
6214
6215 2015-01-23  Tom de Vries  <tom@codesourcery.com>
6216
6217         PR libgomp/64672
6218         * c.opt (fopenacc): Mark as LTO option.
6219
6220 2015-01-23  Tom de Vries  <tom@codesourcery.com>
6221
6222         PR libgomp/64707
6223         * c.opt (fopenmp): Mark as LTO option.
6224
6225 2015-01-21  Jakub Jelinek  <jakub@redhat.com>
6226
6227         PR c/63307
6228         * cilk.c (fill_decls_vec): Only put decls into vector v.
6229         (compare_decls): Fix up formatting.
6230
6231 2015-01-21  Igor Zamyatin  <igor.zamyatin@intel.com>
6232
6233         PR c/63307
6234         * cilk.c: Include vec.h.
6235         (struct cilk_decls): New structure.
6236         (wrapper_parm_cb): Split this function to...
6237         (fill_decls_vec): ...this...
6238         (create_parm_list): ...and this.
6239         (compare_decls): New function.
6240         (for_local_cb): Remove.
6241         (wrapper_local_cb): Ditto.
6242         (build_wrapper_type): For now first traverse and fill vector of
6243         declarations then sort it and then deal with sorted vector.
6244         (cilk_outline): Ditto.
6245         (declare_one_free_variable): Ditto.
6246
6247 2015-01-21  Jason Merrill  <jason@redhat.com>
6248
6249         PR c++/64629
6250         * c-format.c (check_format_arg): Call decl_constant_value.
6251
6252 2015-01-19  Martin Liska  <mliska@suse.cz>
6253
6254         * c-common.c (handle_noicf_attribute): New function.
6255
6256 2015-01-15  Thomas Schwinge  <thomas@codesourcery.com>
6257             Bernd Schmidt  <bernds@codesourcery.com>
6258             James Norris  <jnorris@codesourcery.com>
6259             Cesar Philippidis  <cesar@codesourcery.com>
6260             Ilmir Usmanov  <i.usmanov@samsung.com>
6261             Jakub Jelinek  <jakub@redhat.com>
6262
6263         * c.opt (fopenacc): New option.
6264         * c-cppbuiltin.c (c_cpp_builtins): Conditionally define _OPENACC.
6265         * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12):
6266         New macros.
6267         * c-common.h (c_finish_oacc_wait): New prototype.
6268         * c-omp.c: Include "omp-low.h" and "gomp-constants.h".
6269         (c_finish_oacc_wait): New function.
6270         * c-pragma.c (oacc_pragmas): New variable.
6271         (c_pp_lookup_pragma, init_pragma): Handle it.
6272         * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_CACHE,
6273         PRAGMA_OACC_DATA, PRAGMA_OACC_ENTER_DATA, PRAGMA_OACC_EXIT_DATA,
6274         PRAGMA_OACC_KERNELS, PRAGMA_OACC_LOOP, PRAGMA_OACC_PARALLEL,
6275         PRAGMA_OACC_UPDATE, PRAGMA_OACC_WAIT.
6276         (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_ASYNC,
6277         PRAGMA_OACC_CLAUSE_AUTO, PRAGMA_OACC_CLAUSE_COLLAPSE,
6278         PRAGMA_OACC_CLAUSE_COPY, PRAGMA_OACC_CLAUSE_COPYIN,
6279         PRAGMA_OACC_CLAUSE_COPYOUT, PRAGMA_OACC_CLAUSE_CREATE,
6280         PRAGMA_OACC_CLAUSE_DELETE, PRAGMA_OACC_CLAUSE_DEVICE,
6281         PRAGMA_OACC_CLAUSE_DEVICEPTR, PRAGMA_OACC_CLAUSE_FIRSTPRIVATE,
6282         PRAGMA_OACC_CLAUSE_GANG, PRAGMA_OACC_CLAUSE_HOST,
6283         PRAGMA_OACC_CLAUSE_IF, PRAGMA_OACC_CLAUSE_NUM_GANGS,
6284         PRAGMA_OACC_CLAUSE_NUM_WORKERS, PRAGMA_OACC_CLAUSE_PRESENT,
6285         PRAGMA_OACC_CLAUSE_PRESENT_OR_COPY,
6286         PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYIN,
6287         PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYOUT,
6288         PRAGMA_OACC_CLAUSE_PRESENT_OR_CREATE, PRAGMA_OACC_CLAUSE_PRIVATE,
6289         PRAGMA_OACC_CLAUSE_REDUCTION, PRAGMA_OACC_CLAUSE_SELF,
6290         PRAGMA_OACC_CLAUSE_SEQ, PRAGMA_OACC_CLAUSE_VECTOR,
6291         PRAGMA_OACC_CLAUSE_VECTOR_LENGTH, PRAGMA_OACC_CLAUSE_WAIT,
6292         PRAGMA_OACC_CLAUSE_WORKER.
6293
6294 2015-01-14  Marcos Diaz  <marcos.diaz@tallertechnologies.com>
6295
6296         * c-cppbuiltin.c (c_cpp_builtins): New cpp define __SSP_EXPLICIT__
6297         for the new option fstack-protector_explicit.
6298         * c-common.c (c_common_attribute_table): Add stack_protect attribute.
6299         (handle_stack_protect_attribute): New function.
6300
6301 2015-01-13  Martin Uecker  <uecker@eecs.berkeley.edu>
6302
6303         * c.opt: New option -Warray-bounds=.
6304
6305 2015-01-09  Michael Collison  <michael.collison@linaro.org>
6306
6307         * array-notation-common.c: Include hash-set.h, machmode.h,
6308         vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
6309         fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h.
6310         * c-ada-spec.c: Ditto.
6311         * c-cilkplus.c: Ditto.
6312         * c-common.c: Include input.h due to flattening of tree.h.
6313         Define macro GCC_C_COMMON_C.
6314         * c-common.h: Flatten tree.h header files into c-common.h.
6315         Remove include of tree-core.h.
6316         * c-cppbuiltin.c: Include hash-set.h, machmode.h,
6317         vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
6318         fold-const.h, wide-int.h, and inchash.h due to
6319         flattening of tree.h.
6320         * c-dump.c: Ditto.
6321         * c-format.c: Flatten tree.h header files into c-common.h.
6322         * c-cppbuiltin.c: Include hash-set.h, machmode.h,
6323         vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
6324         fold-const.h, wide-int.h, and inchash.h due to
6325         flattening of tree.h.
6326         * c-dump.c: Include hash-set.h, machmode.h,
6327         vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
6328         fold-const.h, wide-int.h, and inchash.h due to
6329         flattening of tree.h.
6330         * c-format.c: Include hash-set.h, machmode.h,
6331         vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
6332         fold-const.h, wide-int.h, inchash.h and real.h due to
6333         flattening of tree.h.
6334         * c-gimplify.c: Include hash-set.h, machmode.h,
6335         vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
6336         fold-const.h, wide-int.h, and inchash.h due to
6337         flattening of tree.h.
6338         * cilk.c: Ditto.
6339         * c-lex.c: Ditto.
6340         * c-omp.c: Ditto.
6341         * c-opts.c: Ditto.
6342         * c-pch.c: Ditto.
6343         * c-ppoutput.c: Ditto.
6344         * c-pragma.c: Ditto.
6345         * c-pretty-print.c: Ditto.
6346         * c-semantics.c: Ditto.
6347         * c-ubsan.c: Ditto.
6348         * stub-objc.c: Ditto.
6349
6350 2015-01-08  Jason Merrill  <jason@redhat.com>
6351
6352         * c-ubsan.c (ubsan_maybe_instrument_array_ref): Use
6353         do_ubsan_in_current_function.
6354         (ubsan_maybe_instrument_reference_or_call): Likewise.
6355         * c-ubsan.h: Declare it.
6356
6357 2015-01-08  Mike Stump  <mikestump@comcast.net>
6358
6359         * c-common.c (c_common_attribute_table): Add no_sanitize_thread.
6360
6361 2015-01-07  Marek Polacek  <polacek@redhat.com>
6362
6363         PR c/64440
6364         * c-common.c (c_fully_fold_internal): Warn for division and modulo
6365         if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST and is zero.
6366
6367 2015-01-05  Trevor Saunders  <tsaunders@mozilla.com>
6368
6369         PR c++/31397
6370         * c.opt (Wsuggest-override): New option.
6371
6372 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
6373
6374         Update copyright years.
6375
6376 2015-01-05  Marek Polacek  <polacek@redhat.com>
6377
6378         PR c/64423
6379         * c-common.c (warn_array_subscript_with_type_char): Add location_t
6380         parameter.  Use it.
6381         * c-common.h (warn_array_subscript_with_type_char): Update
6382         declaration.
6383
6384 2014-12-20  Edward Smith-Rowland  <3dw4rd@verizon.net>
6385
6386         * c-cppbuiltin.c (__cpp_sized_deallocation): Uncomment and move macro.
6387         Control macro with flag_sized_deallocation.
6388
6389 2014-12-20  Martin Uecker  <uecker@eecs.berkeley.edu>
6390
6391         * c.opt (Wdiscarded-array-qualifiers): New option.
6392
6393 2014-12-19  Jakub Jelinek  <jakub@redhat.com>
6394
6395         PR preprocessor/63831
6396         * c-cppbuiltin.c (c_cpp_builtins): Don't define __has_attribute
6397         and __has_cpp_attribute here.
6398         * c-ppoutput.c (init_pp_output): Set cb->has_attribute to
6399         c_common_has_attribute.
6400         * c-common.h (c_common_has_attribute): New prototype.
6401         * c-lex.c (init_c_lex): Set cb->has_attribute to
6402         c_common_has_attribute instead of cb_has_attribute.
6403         (get_token_no_padding): New function.
6404         (cb_has_attribute): Renamed to ...
6405         (c_common_has_attribute): ... this.  No longer static.  Use
6406         get_token_no_padding, require ()s, don't build TREE_LIST
6407         unnecessarily, fix up formatting, adjust diagnostics, call
6408         init_attributes.
6409
6410 2014-12-15  Jason Merrill  <jason@redhat.com>
6411
6412         * c.opt (-fsized-deallocation, -Wc++14-compat): New.
6413         (-Wsized-deallocation): New.
6414         * c-opts.c (c_common_post_options): -fsized-deallocation defaults
6415         to on in C++14 and up.
6416
6417 2014-12-11  Jason Merrill  <jason@redhat.com>
6418
6419         * c-cppbuiltin.c (c_cpp_builtins): Enable C++14 __cpp_constexpr.
6420
6421         * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_runtime_arrays if
6422         we aren't complaining about VLAs.
6423
6424 2014-12-06  Marek Polacek  <polacek@redhat.com>
6425
6426         PR tree-optimization/64183
6427         * c-gimplify.c (c_gimplify_expr): Don't convert the RHS of a
6428         shift-expression if it is integer_type_node.  Use types_compatible_p.
6429
6430 2014-11-29  Jakub Jelinek  <jakub@redhat.com>
6431
6432         * c-common.c (convert_vector_to_pointer_for_subscript): Remove NULL
6433         last argument from create_tmp_var_raw and create_tmp_var calls.
6434         * cilk.c (gimplify_cilk_spawn): Likewise.
6435         * c-omp.c (c_finish_omp_atomic): Likewise.
6436
6437 2014-11-28  Marek Polacek  <polacek@redhat.com>
6438
6439         * c-ubsan.c (ubsan_instrument_shift): Use op1_utype for MINUS_EXPR
6440         instead of unsigned_type_node.
6441
6442 2014-11-28  Marek Polacek  <polacek@redhat.com>
6443
6444         PR c/63862
6445         * c-ubsan.c (ubsan_instrument_shift): Change the type of a MINUS_EXPR
6446         to op1_utype.
6447         * c-gimplify.c (c_gimplify_expr): Convert right operand of a shift
6448         expression to unsigned_type_node.
6449
6450 2014-11-20  Mark Wielaard  <mjw@redhat.com>
6451
6452         PR debug/38757
6453         * c-opts.c (set_std_c89): Set lang_hooks.name.
6454         (set_std_c99): Likewise.
6455         (set_std_c11): Likewise.
6456         (set_std_cxx98): Likewise.
6457         (set_std_cxx11): Likewise.
6458         (set_std_cxx14): Likewise.
6459         (set_std_cxx1z): Likewise.
6460
6461 2014-11-21  Jakub Jelinek  <jakub@redhat.com>
6462
6463         PR target/63764
6464         * c-common.h (convert_vector_to_pointer_for_subscript): Change
6465         return type to bool.
6466         * c-common.c: Include gimple-expr.h.
6467         (convert_vector_to_pointer_for_subscript): Change return type to
6468         bool.  If *vecp is not lvalue_p and has VECTOR_TYPE, return true
6469         and copy it into a TARGET_EXPR and use that instead of *vecp
6470         directly.
6471
6472 2014-11-19  David Malcolm  <dmalcolm@redhat.com>
6473
6474         Merger of git branch "gimple-classes-v2-option-3".
6475         * ChangeLog.gimple-classes: New.
6476         * c-gimplify.c (add_block_to_enclosing): Strengthen local "stack"
6477         from being just a vec<gimple> to a vec<gbind *>.
6478
6479 2014-11-18  Jakub Jelinek  <jakub@redhat.com>
6480
6481         PR sanitizer/63813
6482         * c-ubsan.c (ubsan_maybe_instrument_reference_or_call): Change type
6483         argument to ptype, set type to TREE_TYPE (ptype).  Don't call
6484         get_pointer_alignment for non-pointers.  Use ptype, or if it is
6485         reference type, corresponding pointer type, as type of kind
6486         argument.
6487         (ubsan_maybe_instrument_reference,
6488         ubsan_maybe_instrument_member_call): Adjust callers.
6489
6490 2014-11-15  Marek Polacek  <polacek@redhat.com>
6491
6492         PR middle-end/63884
6493         * array-notation-common.c (is_sec_implicit_index_fn): Return false
6494         for NULL fndecl.
6495         (extract_array_notation_exprs): Return for NULL node.
6496
6497 2014-11-12  Joseph Myers  <joseph@codesourcery.com>
6498
6499         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Define and
6500         undefine __NO_MATH_ERRNO__ based on changes to -fmath-errno state.
6501
6502 2014-11-12  Jakub Jelinek  <jakub@redhat.com>
6503
6504         PR c/59708
6505         * c-common.c (check_builtin_function_arguments): Handle
6506         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW.
6507
6508 2014-11-10  Andi Kleen  <ak@linux.intel.com>
6509
6510         PR c/60804
6511         * c-common.h (check_no_cilk): Declare.
6512         * cilk.c (get_error_location): New function.
6513         (check_no_cilk): Dito.
6514
6515 2014-11-10  Andi Kleen  <ak@linux.intel.com>
6516
6517         * cilk.c (recognize_spawn): Use expression location
6518         for error message.
6519
6520 2014-11-10  Paolo Carlini  <paolo.carlini@oracle.com>
6521
6522         * c.opt ([Wshift-count-negative, Wshift-count-overflow]): Add.
6523
6524 2014-11-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
6525
6526         * c-cppbuiltin.c (__has_attribute, __has_cpp_attribute): New macros;
6527         (__cpp_rtti, __cpp_exceptions): New macros for C++98;
6528         (__cpp_range_based_for, __cpp_initializer_lists,
6529         __cpp_delegating_constructors, __cpp_nsdmi,
6530         __cpp_inheriting_constructors, __cpp_ref_qualifiers): New macros
6531         for C++11; (__cpp_attribute_deprecated): Remove in favor of
6532         __has_cpp_attribute.
6533         * c-lex.c (cb_has_attribute): New callback CPP function;
6534         (init_c_lex): Set has_attribute callback.
6535
6536 2014-11-04  Richard Biener  <rguenther@suse.de>
6537
6538         * c-common.c (shorten_compare): Do not shorten mixed
6539         DFP and non-DFP compares.
6540
6541 2014-11-01  Edward Smith-Rowland  <3dw4rd@verizon.net>
6542
6543         * g++.dg/cpp1y/feat-cxx11.C: Commentary and rearrangement of tests.
6544         * g++.dg/cpp1y/feat-cxx11-neg.C: Add aggregate NSDMI test.
6545         Commentary and rearrangement of tests.
6546         * g++.dg/cpp1y/feat-cxx14.C: Enable aggregate NSDMI test.
6547         Commentary and rearrangement of tests.
6548         * g++.dg/cpp1y/feat-cxx98-neg.C: Ditto.
6549         * g++.dg/cpp1y/feat-cxx98.C: Commentary.
6550
6551 2014-10-29  Richard Sandiford  <richard.sandiford@arm.com>
6552
6553         * c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
6554         enum from machine_mode.
6555
6556 2014-10-28  Andrew MacLeod  <amacleod@redhat.com>
6557
6558         * c-common.c: Adjust include files.
6559         * c-gimplify.c: Ditto.
6560         * cilk.c: Ditto.
6561         * c-pragma.c: Ditto.
6562         * c-ubsan.c: Ditto.
6563
6564 2014-10-27  Andrew MacLeod  <amacleod@redhat.com>
6565
6566         * c-gimplify.c: Adjust include files.
6567
6568 2014-10-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6569
6570         PR c++/53061
6571         * c-opts.c (c_common_diagnostics_set_defaults): Renamed from
6572         c_common_initialize_diagnostics.
6573         * c-common.h: Likewise.
6574
6575 2014-10-24  Marek Polacek  <polacek@redhat.com>
6576
6577         PR c/56980
6578         * c-pretty-print.c (c_pretty_printer::simple_type_specifier): Don't
6579         print "struct"/"union"/"enum" for typedefed names.
6580
6581 2014-10-23  Marek Polacek  <polacek@redhat.com>
6582
6583         * c-ubsan.c (ubsan_instrument_shift): Perform the MINUS_EXPR
6584         in unsigned type.
6585
6586 2014-10-22  Jakub Jelinek  <jakub@redhat.com>
6587             Yury Gribov  <y.gribov@samsung.com>
6588
6589         * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
6590         ubsan_instrument_vla): Check bits in flag_sanitize_recover bitmask
6591         instead of flag_sanitize_recover as bool flag.
6592
6593 2014-10-21  Kirill Yukhin  <kirill.yukhin@intel.com>
6594
6595         * cilk.c: Revert previous change.
6596
6597 2014-10-20  Igor Zamyatin  <igor.zamyatin@intel.com>
6598
6599         PR c/63307
6600         * cilk.c: Include vec.h.
6601         (struct cilk_decls): New structure.
6602         (wrapper_parm_cb): Split this function to...
6603         (fill_decls_vec): ...this...
6604         (create_parm_list): ...and this.
6605         (compare_decls): New function.
6606         (for_local_cb): Remove.
6607         (wrapper_local_cb): Ditto.
6608         (build_wrapper_type): For now first traverse and fill vector of
6609         declarations then sort it and then deal with sorted vector.
6610         (cilk_outline): Ditto.
6611         (declare_one_free_variable): Ditto.
6612
6613 2014-10-17  Marek Polacek  <polacek@redhat.com>
6614
6615         * c-opts.c (c_common_post_options): Set warn_implicit_int.
6616         * c.opt (Wimplicit-int): Initialize to -1.
6617
6618 2014-10-16  Andrew MacLeod  <amacleod@redhat.com>
6619
6620         * c-pragma.c: Adjust include files.
6621         * c-semantics.c: Likewise.
6622
6623 2014-10-16  DJ Delorie  <dj@redhat.com>
6624
6625         * c-cppbuiltin.c (cpp_atomic_builtins): Don't assume pointers are
6626         multiples of bytes.
6627
6628 2014-10-14  Jason Merrill  <jason@redhat.com>
6629
6630         PR c++/63455
6631         * c-common.h (CPP_PREPARSED_EXPR): New.
6632         (N_CP_TTYPES): Adjust.
6633
6634 2014-10-15  Marek Polacek  <polacek@redhat.com>
6635
6636         * c-opts.c (c_common_init_options): Make -std=gnu11 the default for C.
6637
6638 2014-10-14  DJ Delorie  <dj@redhat.com>
6639
6640         * c-pretty-print.c (pp_c_integer_constant): Check for all __intN
6641         types, not just __int128.
6642         * c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN
6643         types, not just __int128.
6644         (cpp_atomic_builtins): Round pointer sizes up.
6645         (type_suffix): Use type precision, not specific types.
6646         * c-common.c (c_common_reswords): Remove __int128 special case.
6647         (c_common_type_for_size): Check for all __intN types, not just
6648         __int128.
6649         (c_common_type_for_mode): Likewise.
6650         (c_common_signed_or_unsigned_type): Likewise.
6651         (c_build_bitfield_integer_type): Likewise.
6652         (c_common_nodes_and_builtins): Likewise.
6653         (keyword_begins_type_specifier): Likewise.
6654         * c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all
6655         __intN variants.
6656
6657 2014-10-12  Trevor Saunders  <tsaunders@mozilla.com>
6658
6659         * c-common.c: Use hash_table instead of hashtab.
6660
6661 2014-10-06  Edward Smith-Rowland  <3dw4rd@verizon.net>
6662
6663         * c-cppbuiltin.c: Move __cpp_attribute_deprecated to the
6664         C++11 section.
6665
6666 2014-10-03  Marc Glisse  <marc.glisse@inria.fr>
6667
6668         PR c++/54427
6669         PR c++/57198
6670         PR c++/58845
6671         * c-common.c (warn_logical_operator): Punt for vectors.
6672
6673 2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>
6674
6675         Implement SD-6: SG10 Feature Test Recommendations
6676         * c-cppbuiltin.c (c_cpp_builtins()): Define language feature
6677         macros and the __has_header macro.
6678
6679 2014-09-30  Jason Merrill  <jason@redhat.com>
6680
6681         * c-common.h (enum rid): Add RID_IS_TRIVIALLY_ASSIGNABLE and
6682         RID_IS_TRIVIALLY_CONSTRUCTIBLE.
6683         * c-common.c (c_common_reswords): Add __is_trivially_copyable.
6684
6685         * c-common.h (enum rid): Add RID_IS_TRIVIALLY_COPYABLE.
6686         * c-common.c (c_common_reswords): Add __is_trivially_copyable.
6687
6688         * c-common.h (enum rid): Remove RID_IS_CONVERTIBLE_TO.
6689         * c-common.c (c_common_reswords): Remove __is_convertible_to.
6690
6691 2014-09-24  Marek Polacek  <polacek@redhat.com>
6692
6693         PR c/61405
6694         PR c/53874
6695         * c-common.h (struct c_common_resword): Don't define CPP_KEYWORD.
6696
6697 2014-09-23  Andi Kleen  <ak@linux.intel.com>
6698
6699         * c-common.c (handle_no_reorder_attribute): New function.
6700         (c_common_attribute_table): Add no_reorder attribute.
6701
6702 2014-09-22  Joseph Myers  <joseph@codesourcery.com>
6703
6704         * c-cppbuiltin.c (c_cpp_builtins): Define
6705         __LIBGCC_*_EXCESS_PRECISION__ macros for supported floating-point
6706         modes.
6707
6708 2014-09-18  Joseph Myers  <joseph@codesourcery.com>
6709
6710         * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_*_FUNC_EXT__
6711         for supported floating-point modes.
6712
6713 2014-09-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6714
6715         * c.opt (Wpsabi): Use LangEnabledBy.
6716         * c-opts.c (c_common_handle_option): Do not handle here.
6717
6718 2014-09-12  Joseph Myers  <joseph@codesourcery.com>
6719
6720         * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_HAS_%s_MODE__
6721         macros for floating-point modes.
6722
6723 2014-09-11  Marc Glisse  <marc.glisse@inria.fr>
6724
6725         PR target/58757
6726         * c-cppbuiltin.c (builtin_define_float_constants): Correct
6727         __*_DENORM_MIN__ without denormals.
6728
6729 2014-09-10  Jakub Jelinek  <jakub@redhat.com>
6730
6731         * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
6732         ubsan_instrument_vla, ubsan_instrument_return): Adjust
6733         ubsan_create_data callers.
6734         (ubsan_instrument_bounds): Don't emit UBSAN_BOUNDS at all if
6735         index is constant or BIT_AND_EXPR with constant mask and is
6736         small enough for the bound.
6737         * c-gimplify.c (ubsan_walk_array_refs_r): For ADDR_EXPR of
6738         ARRAY_REF, make sure the inner ARRAY_REF is not walked again.
6739
6740 2014-09-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6741
6742         * c.opt: Add CppReason to various flags.
6743         (Wdate-time): Re-sort.
6744         * c-common.c: Include c-common.h earlier.
6745         (struct reason_option_codes_t): Delete.
6746         (c_option_controlling_cpp_error): Prefix global type and struct
6747         with cpp_.
6748
6749 2014-09-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6750
6751         * c.opt (Wnormalized): New.
6752         (Wnormalized=): Use Enum and Reject Negative.
6753         * c-opts.c (c_common_handle_option): Do not handle Wnormalized here.
6754
6755 2014-09-08  Joseph Myers  <joseph@codesourcery.com>
6756
6757         * c-cppbuiltin.c (c_cpp_builtins): Define macros for mantissa
6758         digits of floating-point modes if -fbuilding-libgcc.
6759
6760 2014-09-05  Joseph Myers  <joseph@codesourcery.com>
6761
6762         * c-cppbuiltin.c (c_cpp_builtins): Also define
6763         __LIBGCC_EH_TABLES_CAN_BE_READ_ONLY__,
6764         __LIBGCC_EH_FRAME_SECTION_NAME__, __LIBGCC_JCR_SECTION_NAME__,
6765         __LIBGCC_CTORS_SECTION_ASM_OP__, __LIBGCC_DTORS_SECTION_ASM_OP__,
6766         __LIBGCC_TEXT_SECTION_ASM_OP__, __LIBGCC_INIT_SECTION_ASM_OP__,
6767         __LIBGCC_INIT_ARRAY_SECTION_ASM_OP__,
6768         __LIBGCC_STACK_GROWS_DOWNWARD__,
6769         __LIBGCC_DONT_USE_BUILTIN_SETJMP__,
6770         __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__,
6771         __LIBGCC_DWARF_FRAME_REGISTERS__,
6772         __LIBGCC_EH_RETURN_STACKADJ_RTX__, __LIBGCC_JMP_BUF_SIZE__,
6773         __LIBGCC_STACK_POINTER_REGNUM__ and
6774         __LIBGCC_VTABLE_USES_DESCRIPTORS__ for -fbuilding-libgcc.
6775         (builtin_define_with_value): Handle backslash-escaping in string
6776         macro values.
6777
6778 2014-09-05  Richard Biener  <rguenther@suse.de>
6779
6780         PR middle-end/63148
6781         * c-format.c (check_format_arg): Properly handle
6782         effectively signed POINTER_PLUS_EXPR offset.
6783
6784 2014-09-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6785
6786         * c.opt (Wc90-c99-compat,Wc++-compat,Wcomment,Wendif-labels,
6787         Winvalid-pch,Wlong-long,Wmissing-include-dirs,Wmultichar,Wpedantic,
6788         (Wdate-time,Wtraditional,Wundef,Wvariadic-macros): Add CPP, Var
6789         and Init.
6790         * c-opts.c (c_common_handle_option): Do not handle here.
6791         (sanitize_cpp_opts): Likewise.
6792         * c-common.c (struct reason_option_codes_t): Handle
6793         CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC.
6794
6795 2014-09-03  Marek Polacek  <polacek@redhat.com>
6796
6797         * c.opt (Wlogical-not-parentheses): Enable by -Wall.
6798
6799 2014-09-02  Jakub Jelinek  <jakub@redhat.com>
6800             Balaji V. Iyer  <balaji.v.iyer@intel.com>
6801             Igor Zamyatin  <igor.zamyatin@intel.com>
6802
6803         * c-cilkplus.c (cilk_for_number_of_iterations): New function.
6804         * c-common.c (c_common_reswords): Added _Cilk_for.
6805         * c-common.h (enum rid): Added RID_CILK_FOR.
6806         (cilk_for_number_of_iterations): Add declaration.
6807         * c-omp.c (c_finish_omp_for): Added checks for CILK_SIMD and
6808         CILK_FOR.
6809         * c-pragma.c (init_pragma): Register "grainsize" pragma.
6810         * c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_GRAINSIZE.
6811
6812 2014-08-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6813
6814         * c.opt (Wbuiltin-macro-redefined,Wdeprecated,Wendif-labels,
6815         Winvalid-pch,Wliteral-suffix,Wmissing-include-dirs,Wtrigraphs,
6816         Wundef): Use CPP, Var and Init.
6817         * c-opts.c (c_common_handle_option): Do not handle the above flags here.
6818
6819 2014-08-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6820
6821         * c.opt (Wbuiltin-macro-redefined): Use CPP, Var and Init.
6822         * c-opts.c (c_common_handle_option): Do not handle here.
6823
6824 2014-08-25  Jason Merrill  <jason@redhat.com>
6825
6826         * c.opt: Change -std=c++1y and -std=gnu++1y to be aliases for
6827         -std=c++14 and -std=gnu++14, rather than the reverse.
6828         * c-opts.c (c_common_handle_option): Change OPT_std_c__1y and
6829         OPT_std_gnu__1y to OPT_std_c__14 and OPT_std_gnu__14.
6830         * c-common.h (cxx_dialect): Remove cxx1y.
6831
6832 2014-08-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
6833
6834         * c-common.h (enum cxx_dialect): Add cxx14.
6835         * c-opts.c (set_std_cxx1y): Rename to set_std_cxx14; Use cxx14.
6836         * c-ubsan.c (ubsan_instrument_shift): Change comment and logic from
6837         cxx_dialect == cxx11 || cxx_dialect == cxx1y to cxx_dialect >= cxx11.
6838
6839 2014-08-22  Jason Merrill  <jason@redhat.com>
6840
6841         * c.opt (std=gnu++17): Fix alias.
6842
6843 2014-08-22  Marek Polacek  <polacek@redhat.com>
6844
6845         PR c++/62199
6846         * c-common.c (warn_logical_not_parentheses): Don't check LHS.  Don't
6847         check for vector types.  Drop LHS argument.
6848         * c-common.h (warn_logical_not_parentheses): Adjust.
6849
6850 2014-08-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6851
6852         * c.opt (Wcomment): Use CPP, Var and LangEnabledBy.
6853         (Wmultichar): Likewise.
6854         (Wdate-time): Use C-family languages instead of Common. Use CPP
6855         and Var.
6856         * c-opts.c (c_common_handle_option): Do not handle the above
6857         options here.
6858         (sanitize_cpp_opts): Likewise.
6859
6860 2014-08-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6861
6862         PR fortran/44054
6863         * c-opts.c: Include tree-diagnostics.h.
6864         (c_diagnostic_finalizer): New.
6865         (c_common_initialize_diagnostics): Use it.
6866
6867 2014-08-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6868
6869         PR preprocessor/51303
6870         * c-common.c (struct reason_option_codes_t option_codes):
6871         Add CPP_W_MISSING_INCLUDE_DIRS. Sort alphabetically.
6872
6873 2014-08-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6874
6875         PR c/60975
6876         PR c/53063
6877         * c.opt (Wvariadic-macros): Use CPP and LangEnabledBy.
6878         * c-opts.c (c_common_handle_option): Call cpp_handle_option_auto.
6879         (c_common_post_options): Call init_global_opts_from_cpp.
6880         (sanitize_cpp_opts): Do not handle Wvariadic-macros here.
6881
6882 2014-08-19  Marek Polacek  <polacek@redhat.com>
6883
6884         PR c++/62153
6885         * c-common.c (maybe_warn_bool_compare): New function.
6886         * c-common.h (maybe_warn_bool_compare): Declare.
6887         * c.opt (Wbool-compare): New option.
6888
6889 2014-08-19  Marek Polacek  <polacek@redhat.com>
6890
6891         * c.opt (Wc99-c11-compat): New option.
6892
6893 2014-08-19  Marek Polacek  <polacek@redhat.com>
6894
6895         * c-opts.c (sanitize_cpp_opts): Make warn_long_long be set according
6896         to warn_c90_c99_compat.
6897         * c.opt (Wc90-c99-compat, Wdeclaration-after-statement): Initialize
6898         to -1.
6899
6900 2014-08-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6901             Steven Bosscher  <steven@gcc.gnu.org>
6902
6903         PR c/52952
6904         * c-format.c: Add extra_arg_loc and format_string_loc to struct
6905         format_check_results.
6906         (check_function_format): Use true and add comment for boolean
6907         argument.
6908         (finish_dollar_format_checking): Use explicit location when warning.
6909         (check_format_info): Likewise.
6910         (check_format_arg): Set extra_arg_loc and format_string_loc.
6911         (check_format_info_main): Use explicit location when warning.
6912         (check_format_types): Pass explicit location.
6913         (format_type_warning): Likewise.
6914
6915 2014-08-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6916
6917         PR fortran/44054
6918         * c-format.c: Handle Fortran flags.
6919
6920 2014-08-12  Igor Zamyatin  <igor.zamyatin@intel.com>
6921
6922         PR other/61962
6923         * array-notation-common.c (find_rank): Added handling for other
6924         types of references.
6925
6926 2014-08-10  Marek Polacek  <polacek@redhat.com>
6927
6928         PR c/51849
6929         * c-opts.c (sanitize_cpp_opts): Pass warn_c90_c99_compat to libcpp.
6930         * c.opt (Wc90-c99-compat): Add option.
6931
6932 2014-08-07  Trevor Saunders  <tsaunders@mozilla.com>
6933
6934         * c-gimplify.c, cilk.c: Remove includes of pointer-set.h.
6935
6936 2014-08-03  Marek Polacek  <polacek@redhat.com>
6937
6938         * c-common.c (check_case_value): Add location_t parameter.  Use it.
6939         (c_add_case_label): Pass loc to check_case_value.
6940
6941 2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>
6942
6943         * cilk.c: Use hash_map instead of pointer_map.
6944
6945 2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>
6946
6947         * c-gimplify.c: Use hash_set instead of pointer_set.
6948
6949 2014-08-01  Igor Zamyatin  <igor.zamyatin@intel.com>
6950
6951         PR middle-end/61455
6952         * array-notation-common.c (extract_array_notation_exprs): Handling
6953         of DECL_EXPR added.
6954
6955 2014-08-01  Jakub Jelinek  <jakub@redhat.com>
6956
6957         * c-common.h (min_align_of_type): Removed prototype.
6958         * c-common.c (min_align_of_type): Removed.
6959         * c-ubsan.h (ubsan_maybe_instrument_reference,
6960         ubsan_maybe_instrument_member_call): New prototypes.
6961         * c-ubsan.c: Include stor-layout.h and builtins.h.
6962         (ubsan_maybe_instrument_reference_or_call,
6963         ubsan_maybe_instrument_reference, ubsan_maybe_instrument_call): New
6964         functions.
6965
6966 2014-07-31  Marc Glisse  <marc.glisse@inria.fr>
6967
6968         PR c++/60517
6969         * c.opt (-Wreturn-local-addr): Move to common.opt.
6970
6971 2014-07-30  Jason Merrill  <jason@redhat.com>
6972
6973         PR c++/61659
6974         PR c++/61687
6975         Revert:
6976         * c.opt (-fuse-all-virtuals): New.
6977
6978 2014-07-30  Tom Tromey  <tromey@redhat.com>
6979
6980         PR c/59855
6981         * c.opt (Wdesignated-init): New option.
6982         * c-common.c (c_common_attribute_table): Add "designated_init".
6983         (handle_designated_init): New function.
6984
6985 2014-07-24  Marek Polacek  <polacek@redhat.com>
6986
6987         PR c/57653
6988         * c-opts.c (c_finish_options): If -imacros is in effect, return.
6989
6990 2014-07-16  Dodji Seketeli  <dodji@redhat.com>
6991
6992         PR preprocessor/60723 - missing system-ness marks for macro tokens
6993         * c-ppoutput.c (struct print::prev_was_system_token): New data
6994         member.
6995         (init_pp_output): Initialize it.
6996         (maybe_print_line_1, maybe_print_line, print_line_1, print_line)
6997         (do_line_change): Return a flag saying if a line marker was
6998         emitted or not.
6999         (scan_translation_unit): Detect if the system-ness of the token we
7000         are about to emit is different from the one of the previously
7001         emitted token.  If so, emit a line marker.  Avoid emitting useless
7002         adjacent line markers.  Avoid emitting line markers for tokens
7003         originating from the expansion of built-in macros.
7004         (scan_translation_unit_directives_only): Adjust.
7005
7006 2014-07-15  Marek Polacek  <polacek@redhat.com>
7007
7008         * c-ubsan.c (ubsan_instrument_bounds): Don't instrument if
7009         TYPE_MAX_VALUE is NULL.
7010
7011 2014-07-14  Jakub Jelinek  <jakub@redhat.com>
7012
7013         PR middle-end/61294
7014         * c.opt (Wmemset-transposed-args): New warning.
7015
7016 2014-07-10  Jason Merrill  <jason@redhat.com>
7017
7018         PR c++/61659
7019         PR c++/61687
7020         * c.opt (-fuse-all-virtuals): New.
7021
7022 2014-07-09  Richard Biener  <rguenther@suse.de>
7023
7024         PR c-family/61741
7025         * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
7026         using unsigned arithmetic if overflow does not wrap instead of
7027         if overflow is undefined.
7028
7029 2014-07-06  Marek Polacek  <polacek@redhat.com>
7030
7031         PR c/6940
7032         * c.opt (Wsizeof-array-argument): New option.
7033
7034 2014-07-03  Jakub Jelinek  <jakub@redhat.com>
7035
7036         * c-ada-spec.c (dump_ada_nodes): Don't call qsort if
7037         comments->count <= 1, as comments->entries might be NULL.
7038
7039 2014-07-01  Marek Polacek  <polacek@redhat.com>
7040
7041         * c.opt (Wint-conversion): New option.
7042
7043 2014-07-01  Marek Polacek  <polacek@redhat.com>
7044
7045         PR c/58286
7046         * c.opt (Wincompatible-pointer-types): New option.
7047
7048 2014-06-30  Paolo Carlini  <paolo.carlini@oracle.com>
7049
7050         PR c++/51400
7051         * c-common.c (handle_noreturn_attribute, handle_const_attribute):
7052         Do not discard TYPE_QUALS of type.
7053
7054 2014-06-26  Jason Merrill  <jason@redhat.com>
7055
7056         * c-common.h (enum cxx_dialect): Add cxx1z.
7057         * c.opt (std=c++1z, std=c++17, std=gnu++1z, std=gnu++17): New.
7058         * c-opts.c (c_common_handle_option, set_std_cxx1z): Handle it.
7059
7060 2014-06-26  Teresa Johnson  <tejohnson@google.com>
7061
7062         * c-common.h (get_dump_info): Declare.
7063         * c-gimplify.c (c_genericize): Use saved dump files.
7064         * c-opts.c (c_common_parse_file): Begin and end dumps
7065         once around parsing invocation.
7066         (get_dump_info): New function.
7067
7068 2014-06-23  Marek Polacek  <polacek@redhat.com>
7069             Andrew MacLeod  <amacleod@redhat.com>
7070
7071         PR c/61553
7072         * c-common.c (get_atomic_generic_size): Don't segfault if the
7073         type doesn't have a size.
7074
7075 2014-06-20  Marek Polacek  <polacek@redhat.com>
7076
7077         * c-gimplify.c: Include "c-ubsan.h" and "pointer-set.h".
7078         (ubsan_walk_array_refs_r): New function.
7079         (c_genericize): Instrument array bounds.
7080         * c-ubsan.c: Include "internal-fn.h".
7081         (ubsan_instrument_division): Mark instrumented arrays as having
7082         side effects.  Adjust ubsan_type_descriptor call.
7083         (ubsan_instrument_shift): Likewise.
7084         (ubsan_instrument_vla): Adjust ubsan_type_descriptor call.
7085         (ubsan_instrument_bounds): New function.
7086         (ubsan_array_ref_instrumented_p): New function.
7087         (ubsan_maybe_instrument_array_ref): New function.
7088         * c-ubsan.h (ubsan_instrument_bounds): Declare.
7089         (ubsan_array_ref_instrumented_p): Declare.
7090         (ubsan_maybe_instrument_array_ref): Declare.
7091
7092 2014-06-20  Hale Wang  <hale.wang@arm.com>
7093
7094         PR lto/61123
7095         * c.opt (fshort-enums): Add to LTO.
7096         * c.opt (fshort-wchar): Likewise.
7097
7098 2014-06-16  Marek Polacek  <polacek@redhat.com>
7099
7100         PR c/60439
7101         * c.opt (Wswitch-bool): Add Var.
7102
7103 2014-06-12  Jakub Jelinek  <jakub@redhat.com>
7104
7105         PR middle-end/61486
7106         * c-omp.c (c_omp_split_clauses): Don't crash on firstprivate in
7107         #pragma omp target teams or
7108         #pragma omp {,target }teams distribute simd.
7109
7110 2014-06-12  Jason Merrill  <jason@redhat.com>
7111
7112         * c.opt (Wabi=, fabi-compat-version): New.
7113         * c-opts.c (c_common_handle_option): Handle -Wabi=.
7114         (c_common_post_options): Handle flag_abi_compat_version default.
7115         Disallow -fabi-compat-version=1.
7116         * c-common.h (abi_version_crosses): New.
7117
7118 2014-06-11  Jan Hubicka  <hubicka@ucw.cz>
7119
7120         * c-common.c (handle_section_attribute): Update handling for
7121         section names that are no longer trees.
7122
7123 2014-06-10  Jakub Jelinek  <jakub@redhat.com>
7124
7125         PR fortran/60928
7126         * c-pragma.c (omp_pragmas_simd): Move PRAGMA_OMP_TASK...
7127         (omp_pragmas): ... back here.
7128
7129 2014-06-05  Marek Polacek  <polacek@redhat.com>
7130
7131         PR c/49706
7132         * c-common.c (warn_logical_not_parentheses): New function.
7133         * c-common.h (warn_logical_not_parentheses): Declare.
7134         * c.opt (Wlogical-not-parentheses): New option.
7135
7136 2014-06-04  Marek Polacek  <polacek@redhat.com>
7137
7138         PR c/30020
7139         * c-common.c (check_case_bounds): Add location parameter.
7140         Use it.
7141         (c_add_case_label): Pass loc to check_case_bounds.
7142
7143 2014-06-03  Marek Polacek  <polacek@redhat.com>
7144
7145         PR c/60439
7146         * c.opt (Wswitch-bool): New option.
7147
7148 2014-05-22  Thomas Schwinge  <thomas@codesourcery.com>
7149
7150         * c-common.h (c_omp_sharing_predetermined, c_omp_remap_decl):
7151         Remove prototypes.
7152         (record_types_used_by_current_var_decl): Move prototype to where
7153         it belongs.
7154
7155         * c-common.c (DEF_FUNCTION_TYPE_0, DEF_FUNCTION_TYPE_6)
7156         (DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_8)
7157         (DEF_FUNCTION_TYPE_VAR_5): Cosmetic fixes.
7158
7159 2014-05-21  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>
7160
7161         * c-common.h (CTI_VOID_ZERO, void_zero_node): Delete.
7162         * c-common.c (c_common_nodes_and_builtins): Don't initialize
7163         void_zero_node.
7164         * c-pretty-print.c (pp_c_void_constant): New function.
7165         (c_pretty_printer::constant, c_pretty_printer::primary_expression)
7166         (c_pretty_printer::expression): Handle VOID_CST.
7167         * cilk.c (extract_free_variables): Likewise.
7168         * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift)
7169         (ubsan_instrument_vla): Use void_node instead of void_zero_node.
7170
7171 2014-05-17  Trevor Saunders  <tsaunders@mozilla.com>
7172
7173         * c-common.h (sorted_fields_type): Remove variable_size GTY attribute.
7174         * c-pragma.c (push_alignment): Adjust.
7175         (handle_pragma_push_options): Likewise.
7176
7177 2014-05-09  Marek Polacek  <polacek@redhat.com>
7178
7179         PR c/50459
7180         * c-common.c (check_user_alignment): Return -1 if alignment is error
7181         node.
7182         (handle_aligned_attribute): Don't call default_conversion on
7183         FUNCTION_DECLs.
7184         (handle_vector_size_attribute): Likewise.
7185         (handle_tm_wrap_attribute): Handle case when wrap_decl is error node.
7186         (handle_sentinel_attribute): Call default_conversion and allow even
7187         integral types as an argument.
7188
7189 2014-05-08  Marek Polacek  <polacek@redhat.com>
7190
7191         PR c/61053
7192         * c-common.c (min_align_of_type): New function factored out from...
7193         (c_sizeof_or_alignof_type): ...here.
7194         * c-common.h (min_align_of_type): Declare.
7195
7196 2014-05-08  Marek Polacek  <polacek@redhat.com>
7197
7198         PR c/61077
7199         * c-common.c (check_main_parameter_types): Warn for _Atomic-qualified
7200         parameter type of main.
7201
7202 2014-05-07  DJ Delorie  <dj@redhat.com>
7203
7204         * c-cppbuiltin.c (print_bits_of_hex): New.
7205         (builtin_define_type_minmax): Print values using hex so as not to
7206         require a pre-computed list of string values.
7207
7208 2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>
7209             Mike Stump  <mikestump@comcast.net>
7210             Richard Sandiford  <rdsandiford@googlemail.com>
7211
7212         * c-ada-spec.c: Include wide-int.h.
7213         (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Remove.
7214         (dump_generic_ada_node): Use wide-int interfaces.
7215         * c-common.c: Include wide-int-print.h.
7216         (shorten_compare): Use wide-int interfaces and tree_int_cst_lt.
7217         (pointer_int_sum): Use wide-int interfaces.
7218         (c_common_nodes_and_builtins): Use make_int_cst.
7219         (match_case_to_enum_1): Use tree_fits_uhwi_p and tree_fits_shwi_p.
7220         (handle_alloc_size_attribute): Use wide-int interfaces.
7221         (get_nonnull_operand): Likewise.
7222         * c-format.c (get_constant): Use tree_fits_uhwi_p.
7223         * c-lex.c: Include wide-int.h.
7224         (narrowest_unsigned_type): Take a widest_int rather than two
7225         HOST_WIDE_INTs.
7226         (narrowest_signed_type): Likewise.
7227         (interpret_integer): Update accordingly.  Use wide-int interfaces.
7228         (lex_charconst): Use wide-int interfaces.
7229         * c-pretty-print.c: Include wide-int.h.
7230         (pp_c_integer_constant): Use wide-int interfaces.
7231         * cilk.c (declare_one_free_variable): Use tree_int_cst_lt instead of
7232         INT_CST_LT_UNSIGNED.
7233
7234 2014-05-06  Richard Biener  <rguenther@suse.de>
7235
7236         * c-opts.c (c_common_post_options): For -freestanding,
7237         -fno-hosted and -fno-builtin disable pattern recognition
7238         if not enabled explicitely.
7239
7240 2014-05-02  Marek Polacek  <polacek@redhat.com>
7241
7242         * c.opt (Wsizeof-pointer-memaccess): Describe option.
7243
7244 2014-05-01  Marek Polacek  <polacek@redhat.com>
7245
7246         PR c/43245
7247         * c.opt (Wdiscarded-qualifiers): Add.
7248
7249 2014-04-30  Marek Polacek  <polacek@redhat.com>
7250
7251         * c-ubsan.c (ubsan_instrument_division): Handle REAL_TYPEs.  Perform
7252         INT_MIN / -1 sanitization only for integer types.
7253
7254 2014-04-25  Marek Polacek  <polacek@redhat.com>
7255
7256         PR c/18079
7257         * c-common.c (handle_noinline_attribute): Warn if the attribute
7258         conflicts with always_inline attribute.
7259         (handle_always_inline_attribute): Warn if the attribute conflicts
7260         with noinline attribute.
7261
7262 2014-04-25  Marek Polacek  <polacek@redhat.com>
7263
7264         PR c/60156
7265         * c-common.c (check_main_parameter_types): Warn about variadic main.
7266
7267 2014-04-24  Mike Stump  <mikestump@comcast.net>
7268
7269         * c.opt (Wshadow-ivar): Default to on.
7270
7271 2014-04-24  Dimitris Papavasiliou  <dpapavas@gmail.com>
7272
7273         * c.opt (Wshadow-ivar, flocal-ivars, fivar-visibility): Add.
7274
7275 2014-04-23  Marek Polacek  <polacek@redhat.com>
7276
7277         * c-common.c (handle_tm_wrap_attribute): Tweak error message.
7278
7279 2014-04-22  Jakub Jelinek  <jakub@redhat.com>
7280
7281         PR sanitizer/60275
7282         * c-ubsan.c (ubsan_instrument_return): Return __builtin_trap ()
7283         if flag_sanitize_undefined_trap_on_error.
7284         (ubsan_instrument_division, ubsan_instrument_shift,
7285         ubsan_instrument_vla): Likewise.  Use __ubsan_handle_*_abort ()
7286         if !flag_sanitize_recover.
7287
7288 2014-04-22  Marc Glisse  <marc.glisse@inria.fr>
7289
7290         PR libstdc++/43622
7291         * c-common.c (registered_builtin_types): Make non-static.
7292         * c-common.h (registered_builtin_types): Declare.
7293
7294 2014-04-14  Richard Biener  <rguenther@suse.de>
7295             Marc Glisse  <marc.glisse@inria.fr>
7296
7297         PR c/60819
7298         * c-common.c (convert_vector_to_pointer_for_subscript): Properly
7299         apply may-alias the scalar pointer type when applicable.
7300
7301 2014-04-12  Igor Zamyatin  <igor.zamyatin@intel.com>
7302
7303         PR middle-end/60467
7304         * cilk.c (cilk_set_spawn_marker): Remove FUNCTION_DECL
7305         as possible argument for Cilk_spawn.
7306
7307 2014-04-11  Tobias Burnus  <burnus@net-b.de>
7308
7309         PR c/60194
7310         * c.opt (Wformat-signedness): Add
7311         * c-format.c(check_format_types): Use it.
7312
7313 2014-04-11  Jason Merrill  <jason@redhat.com>
7314
7315         PR c++/57926
7316         * c-common.c (sync_resolve_size, get_atomic_generic_size): Call
7317         default_conversion for an array argument.
7318
7319 2014-04-08  Marek Polacek  <polacek@redhat.com>
7320
7321         PR sanitizer/60745
7322         * c-ubsan.c: Include asan.h.
7323         (ubsan_instrument_return): Call initialize_sanitizer_builtins.
7324
7325 2014-04-03  Nathan Sidwell  <nathan@codesourcery.com>
7326
7327         * c.opt (Wnon-virtual-dtor): Auto set when Weffc++.
7328
7329 2014-04-02  Marek Polacek  <polacek@redhat.com>
7330
7331         * c-common.h (c_expand_expr): Remove declaration.
7332
7333 2014-03-28  Jakub Jelinek  <jakub@redhat.com>
7334
7335         PR c++/60689
7336         * c-common.c (add_atomic_size_parameter): When creating new
7337         params vector, push the size argument first.
7338
7339 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
7340
7341         * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
7342         ubsan_instrument_vla, ubsan_instrument_return): Adjust
7343         ubsan_create_data callers.
7344
7345 2014-03-22  Jakub Jelinek  <jakub@redhat.com>
7346
7347         PR debug/60603
7348         * c-opts.c (c_finish_options): Restore cb_file_change call to
7349         <built-in>.
7350
7351 2014-03-13  Jakub Jelinek  <jakub@redhat.com>
7352
7353         PR middle-end/36282
7354         * c-pragma.c (apply_pragma_weak): Only look at
7355         TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)) if
7356         DECL_ASSEMBLER_NAME_SET_P (decl).
7357         (maybe_apply_pending_pragma_weaks): Exit early if
7358         vec_safe_is_empty (pending_weaks) rather than only when
7359         !pending_weaks.
7360         (maybe_apply_pragma_weak): Likewise.  If !DECL_ASSEMBLER_NAME_SET_P,
7361         set assembler name back to NULL afterwards.
7362
7363 2014-03-11  Jason Merrill  <jason@redhat.com>
7364
7365         * c.opt: Add -std=gnu++14.
7366
7367 2014-03-11  Ian Bolton  <ian.bolton@arm.com>
7368
7369         * c-opts.c (c_common_post_options): Don't override
7370         -ffp-contract=fast if unsafe-math-optimizations is on.
7371
7372 2014-03-08  Paulo Matos  <paulo@matos-sorge.com>
7373
7374         * c.opt: Enable LTO FE for fshort-double.
7375
7376 2014-03-07  Jason Merrill  <jason@redhat.com>
7377
7378         * c.opt: Add -std=c++14.
7379
7380 2014-03-06  Marek Polacek  <polacek@redhat.com>
7381
7382         PR c/60197
7383         * cilk.c (contains_cilk_spawn_stmt): New function.
7384         (contains_cilk_spawn_stmt_walker): Likewise.
7385         (recognize_spawn): Give error on invalid use of _Cilk_spawn.
7386         * c-common.h (contains_cilk_spawn_stmt): Add declaration.
7387
7388 2014-03-03  Jakub Jelinek  <jakub@redhat.com>
7389
7390         * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_SIMD.
7391         (init_pragma): Call cpp_register_deferred_pragma for PRAGMA_CILK_SIMD
7392         even when flag_preprocess_only.
7393
7394 2014-02-26  Jason Merrill  <jason@redhat.com>
7395
7396         PR c++/59231
7397         PR c++/11586
7398         * c-common.c (shorten_compare): Don't check
7399         c_inhibit_evaluation_warnings.
7400
7401 2014-02-19  Jakub Jelinek  <jakub@redhat.com>
7402
7403         PR c/37743
7404         * c-common.c (c_common_nodes_and_builtins): When initializing
7405         c_uint{16,32,64}_type_node, also set corresponding
7406         uint{16,32,64}_type_node to the same value.
7407
7408         PR c++/60267
7409         * c-pragma.c (init_pragma): Don't call cpp_register_deferred_pragma
7410         for PRAGMA_IVDEP if flag_preprocess_only.
7411
7412 2014-02-12  Jakub Jelinek  <jakub@redhat.com>
7413
7414         PR c/60101
7415         * c-common.c (merge_tlist): If copy is true, call new_tlist,
7416         if false, add ADD itself, rather than vice versa.
7417         (verify_tree): For COND_EXPR, don't call merge_tlist with non-zero
7418         copy.  For SAVE_EXPR, only call merge_tlist once.
7419
7420 2014-02-08  Jakub Jelinek  <jakub@redhat.com>
7421
7422         PR middle-end/60092
7423         * c-common.c (handle_alloc_size_attribute): Use tree_fits_uhwi_p
7424         and tree_to_uhwi.
7425         (handle_alloc_align_attribute, handle_assume_aligned_attribute): New
7426         functions.
7427         (c_common_attribute_table): Add alloc_align and assume_aligned
7428         attributes.
7429
7430 2014-02-06  Marek Polacek  <polacek@redhat.com>
7431
7432         PR c/60087
7433         * c-common.c (warn_for_sign_compare): Call warning_at with location
7434         instead of warning.
7435
7436 2014-02-05  Marek Polacek  <polacek@redhat.com>
7437
7438         PR c/53123
7439         * c-omp.c (c_finish_omp_atomic): Remove unreachable return
7440         statement.
7441
7442 2014-02-04  Marek Polacek  <polacek@redhat.com>
7443
7444         PR c/60036
7445         * c-common.c (conversion_warning): Unwrap C_MAYBE_CONST_EXPR and/or
7446         SAVE_EXPR.
7447
7448 2014-02-03  Marc Glisse  <marc.glisse@inria.fr>
7449
7450         PR c++/53017
7451         PR c++/59211
7452         * c-common.c (handle_aligned_attribute, handle_alloc_size_attribute,
7453         handle_vector_size_attribute, handle_nonnull_attribute): Call
7454         default_conversion on the attribute argument.
7455         (handle_nonnull_attribute): Increment the argument number.
7456
7457 2014-01-31  Marek Polacek  <polacek@redhat.com>
7458
7459         PR c/59963
7460         * c-common.c (add_atomic_size_parameter): Pass vNULL to
7461         build_function_call_vec.
7462         (resolve_overloaded_builtin): Likewise.
7463         * c-common.h (build_function_call_vec): Adjust declaration.
7464
7465 2014-01-30  Marek Polacek  <polacek@redhat.com>
7466
7467         PR c/59940
7468         * c-common.h (unsafe_conversion_p): Adjust declaration.
7469         (warnings_for_convert_and_check): Likewise.
7470         (convert_and_check): Likewise.
7471         * c-common.c (unsafe_conversion_p): Add location parameter.  Call
7472         expansion_point_location_if_in_system_header on it.
7473         (warnings_for_convert_and_check): Add location parameter.  Call
7474         expansion_point_location_if_in_system_header on it.  Use it.
7475         (convert_and_check): Add location parameter.  Use it.
7476         (conversion_warning): Likewise.
7477         (c_add_case_label): Adjust convert_and_check calls.
7478         (scalar_to_vector): Adjust unsafe_conversion_p calls.
7479
7480 2014-01-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>
7481
7482         * c-common.c (c_define_builtins): Replaced flag_enable_cilkplus with
7483         flag_cilkplus.
7484         * c-pragma.c (init_pragma): Likewise.
7485         * c.opt: Likewise.
7486
7487 2014-01-23  Marek Polacek  <polacek@redhat.com>
7488
7489         PR c/59846
7490         * c-common.c (shorten_compare): Add location_t parameter.
7491         * c-common.h (shorten_binary_op): Adjust declaration.
7492
7493 2014-01-23  Marek Polacek  <polacek@redhat.com>
7494
7495         PR c/58346
7496         * c-common.c (pointer_to_zero_sized_aggr_p): New function.
7497         * c-common.h: Declare it.
7498
7499 2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>
7500
7501         * c-ada-spec.h (dump_ada_specs): Revert prototype change.
7502         * c-ada-spec.c (dump_ads): Likewise.
7503         (cpp_check): Likewise.
7504         (dump_ada_specs): Likewise.
7505
7506 2014-01-15  Laurent Alfonsi  <laurent.alfonsi@st.com>
7507
7508         PR c++/49718
7509         * c-common.c (handle_no_instrument_function_attribute): Allow
7510         no_instrument_function attribute in class member
7511         definition/declaration.
7512
7513 2014-01-15  Jakub Jelinek  <jakub@redhat.com>
7514
7515         PR c/58943
7516         * c-omp.c (c_finish_omp_atomic): Set in_late_binary_op around
7517         build_modify_expr with non-NOP_EXPR opcode.  Handle return from it
7518         being COMPOUND_EXPR.
7519         (c_finish_omp_for): Handle incr being COMPOUND_EXPR with first
7520         operand a SAVE_EXPR and second MODIFY_EXPR.
7521
7522 2014-01-09  Jakub Jelinek  <jakub@redhat.com>
7523
7524         PR target/58115
7525         * c-pch.c (c_common_write_pch): Call
7526         prepare_target_option_nodes_for_pch.
7527
7528 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7529
7530         Update copyright years
7531
7532 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7533
7534         * array-notation-common.c, c-cilkplus.c: Use the standard form for
7535         the copyright notice.
7536
7537 2013-12-28  Eric Botcazou  <ebotcazou@adacore.com>
7538
7539         * c-ada-spec.c (print_constructor): New function.
7540         (print_destructor): Retrieve the origin of the destructor.
7541         (print_ada_declaration): Revamp handling of constructors/destructors.
7542
7543 2013-12-23  Stuart Hastings  <stuart@apple.com>
7544             Bill Maddox  <maddox@google.com>
7545             Jason Merrill  <jason@redhat.com>
7546
7547         * c.opt: Add -fdeclone-ctor-dtor.
7548         * c-opts.c (c_common_post_options): Default to on iff -Os.
7549
7550 2013-12-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>
7551
7552         * c-common.c (c_common_attribute_table): Added "cilk simd function"
7553         attribute.
7554         * c-pragma.h (enum pragma_cilk_clause): Remove.
7555         (enum pragma_omp_clause): Added the following fields:
7556         PRAGMA_CILK_CLAUSE_NOMASK, PRAGMA_CILK_CLAUSE_MASK,
7557         PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_NONE,
7558         PRAGMA_CILK_CLAUSE_LINEAR, PRAGMA_CILK_CLAUSE_PRIVATE,
7559         PRAGMA_CILK_CLAUSE_FIRSTPRIVATE, PRAGMA_CILK_CLAUSE_LASTPRIVATE,
7560         PRAGMA_CILK_CLAUSE_UNIFORM.
7561
7562
7563 2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>
7564
7565         * cilk.c (cilk_outline): Made this function non-static.
7566         (gimplify_cilk_spawn): Removed pre_p and post_p arguments.
7567         (create_cilk_wrapper): Added a new parameter: a function pointer.
7568         (c_install_body_w_frame_cleanup): Remove
7569         (extract_free_variables): Added VEC_INIT_EXPR and CONSTRUCTOR case.
7570         * c-common.h (cilk_outline): New prototype.
7571         (gimplify_cilk_spawn): Removed two parameters.
7572         (cilk_install_body_with_frame_cleanup): New prototype.
7573         * c-gimplify.c (c_gimplify_expr): Added MODIFY_EXPR, CALL_EXPR and
7574         CILK_SPAWN_STMT case.
7575
7576 2013-12-11  Bernd Schmidt  <bernds@codesourcery.com>
7577
7578         * c-common.c (c_fully_fold_internal): Handle ADDR_SPACE_CONVERT_EXPR.
7579
7580         * c-common.h (enum c_tree_index): Remove CTI_INT_ARRAY_TYPE.
7581         (int_array_type_node): Remove.
7582         * c-common.c (c_common_nodes_and_builtins): Don't build it.
7583
7584 2013-12-05  Marek Polacek  <polacek@redhat.com>
7585
7586         PR c/52023
7587         * c-common.c (c_sizeof_or_alignof_type): Move a declaration into
7588         [ADJUST_FIELD_ALIGN].
7589
7590 2013-12-04  Joseph Myers  <joseph@codesourcery.com>
7591
7592         PR c/52023
7593         * c-common.c (c_sizeof_or_alignof_type): Add parameter min_alignof
7594         and check field alignment if set.
7595         * c-common.h (c_sizeof_or_alignof_type): Update prototype.
7596         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
7597
7598 2013-12-04  Jakub Jelinek  <jakub@redhat.com>
7599             Marek Polacek  <polacek@redhat.com>
7600
7601         * c-gimplify.c (c_gimplify_expr): If doing the integer-overflow
7602         sanitization, call unsigned_type_for only when !TYPE_OVERFLOW_WRAPS.
7603
7604 2013-11-29   H.J. Lu  <hongjiu.lu@intel.com>
7605
7606         PR c/59309
7607         * cilk.c (gimplify_cilk_spawn): Properly handle function without
7608         arguments.
7609
7610 2013-11-29  Jakub Jelinek  <jakub@redhat.com>
7611
7612         PR c/59280
7613         * c-common.c (get_priority): If TREE_VALUE (args) is IDENTIFIER_NODE,
7614         goto invalid.  If it is error_mark_node, don't issue further
7615         diagnostics.
7616
7617 2013-11-28  Sergey Ostanevich  <sergos.gnu@gmail.com>
7618
7619         * c.opt (Wopenmp-simd): New.
7620
7621 2013-11-22  Jakub Jelinek  <jakub@redhat.com>
7622
7623         * c-ubsan.h (ubsan_instrument_return): New prototype.
7624         * c-ubsan.c (ubsan_instrument_return): New function.
7625
7626 2013-11-22  Andrew MacLeod  <amacleod@redhat.com>
7627
7628         * c-common.c: Add required include files from gimple.h.
7629         * c-gimplify.c: Likewise.
7630         * cilk.c: Likewise.
7631
7632 2013-11-22  David Malcolm  <dmalcolm@redhat.com>
7633
7634         * c-common.c (unsafe_conversion_p): Remove use of
7635         EXPR_LOC_OR_HERE macro.
7636         (conversion_warning): Likewise.
7637         (warnings_for_convert_and_check): Likewise.
7638         (warn_for_collisions_1): Likewise.
7639         (shorten_compare): Likewise, and remove use of in_system_header
7640         macro, using the location from the former.
7641         * c-lex.c (dump_one_header): Remove use of input_filename macro.
7642         (cb_def_pragma): Remove use of in_system_header macro.
7643         (lex_string): Likewise.
7644         * c-pragma.c (handle_pragma_float_const_decimal64): Likewise.
7645
7646 2013-11-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
7647             Mike Stump  <mikestump@comcast.net>
7648             Richard Sandiford  <rdsandiford@googlemail.com>
7649
7650         * c-ada-spec.c (is_simple_enum): Use tree_to_shwi and tree_to_uhwi
7651         instead of TREE_INT_CST_LOW, in cases where there is a protecting
7652         tree_fits_shwi_p or tree_fits_uhwi_p.
7653         (dump_generic_ada_node): Likewise.
7654         * c-format.c (check_format_arg): Likewise.
7655         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7656
7657 2013-11-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
7658
7659         * c-common.c (check_function_arguments_recurse): Use tree_to_uhwi.
7660
7661 2013-11-19  Joshua J Cogliati  <jrincayc@yahoo.com>
7662
7663         PR c/53001
7664         * c-common.c (unsafe_conversion_p): Make this function
7665         return an enumeration with more detail.
7666         (conversion_warning): Use the new return type of
7667         unsafe_conversion_p to separately warn either about conversions
7668         that lower floating point number precision or about the other
7669         kinds of conversions.
7670         * c-common.h (enum conversion_safety): New enumeration.
7671         (unsafe_conversion_p): switching return type to
7672         conversion_safety enumeration.
7673         * c.opt: Adding new warning -Wfloat-conversion and
7674         enabling it with -Wconversion.
7675
7676 2013-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
7677
7678         * c-opts.c: Include plugin.h.
7679         (cb_file_change): Invoke plugin event PLUGIN_INCLUDE_FILE.
7680
7681 2013-11-19  Marek Polacek  <polacek@redhat.com>
7682
7683         * c-ubsan.c (ubsan_instrument_division): Adjust ubsan_create_data
7684         call.
7685         (ubsan_instrument_shift): Likewise.
7686         (ubsan_instrument_vla): Likewise.
7687
7688 2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>
7689
7690         * c-common.c (convert_vector_to_pointer_for_subscript): Remove
7691         cast to unsigned type.
7692
7693 2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>
7694
7695         * c-common.c (fold_offsetof_1): Use tree_to_uhwi rather than
7696         tree_low_cst.
7697         (complete_array_type): Update comment to refer to tree_to_[su]hwi
7698         rather than tree_low_cst.
7699
7700 2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>
7701
7702         * c-common.c, c-cppbuiltin.c: Replace tree_low_cst (..., 1) with
7703         tree_to_uhwi throughout.
7704
7705 2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>
7706
7707         * c-common.c, c-format.c, c-omp.c, c-pretty-print.c: Replace
7708         tree_low_cst (..., 0) with tree_to_shwi throughout.
7709
7710 2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>
7711
7712         * c-ada-spec.c, c-common.c, c-pretty-print.c: Replace
7713         host_integerp (..., 1) with tree_fits_uhwi_p throughout.
7714
7715 2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>
7716
7717         * c-ada-spec.c, c-common.c, c-format.c, c-pretty-print.c: Replace
7718         host_integerp (..., 0) with tree_fits_shwi_p throughout.
7719
7720 2013-11-15  Aldy Hernandez  <aldyh@redhat.com>
7721
7722         * c-cilkplus.c: New file.
7723         * c-common.c (readonly_error): Add location argument.
7724         * c-common.h (readonly_error): Same.
7725         (c_finish_cilk_clauses): Protoize.
7726         (c_check_cilk_loop): Same.
7727         c-omp.c (c_finish_omp_for): Handle CILK_SIMD nodes.
7728         Do not fail on error_mark_node.
7729         Abstract increment canonicalization to here...
7730         (c_omp_for_incr_canonicalize_ptr): New.
7731         c-pragma.c (init_pragma): Register "simd" pragma.
7732         c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_SIMD.
7733         (enum pragma_cilk_clause): New.
7734
7735 2013-11-15  Richard Sandiford  <rdsandiford@googlemail.com>
7736
7737         * c-pretty-print.c (pp_c_character_constant): Remove unnecessary
7738         wchar_type and host_integerp checks.
7739
7740 2013-11-14  Andrew MacLeod  <amacleod@redhat.com>
7741
7742         * c-common.c: Likewise.
7743         * c-gimplify.c: Likewise.
7744         * cilk.c: Likewise.
7745
7746 2013-11-14  Diego Novillo  <dnovillo@google.com>
7747
7748         * c-common.c: Include fold-const.h.
7749         Include stor-layout.h.
7750         Include calls.h.
7751         Include stringpool.h.
7752         Include attribs.h.
7753         Include varasm.h.
7754         Include trans-mem.h.
7755         * c-cppbuiltin.c: Include stor-layout.h.
7756         Include stringpool.h.
7757         * c-format.c: Include stringpool.h.
7758         * c-lex.c: Include stringpool.h.
7759         Include stor-layout.h.
7760         * c-pragma.c: Include stringpool.h.
7761         Include attribs.h.
7762         Include varasm.h.
7763         Include gcc-symtab.h.
7764         * c-pretty-print.c: Include stor-layout.h.
7765         Include attribs.h.
7766         * cilk.c: Include stringpool.h.
7767         Include calls.h.
7768
7769 2013-11-13  Joseph Myers  <joseph@codesourcery.com>
7770
7771         * c-common.h (enum rid): Add RID_AUTO_TYPE.
7772         * c-common.c (c_common_reswords): Add __auto_type.
7773         (keyword_begins_type_specifier): Handle RID_AUTO_TYPE.
7774
7775 2013-11-12  Andrew MacLeod  <amacleod@redhat.com>
7776
7777         * c-common.c: Include gimplify.h.
7778         * c-gimplify.c: Likewise.
7779         * cilk.c: Likewise.
7780         * c-omp.c: Include gimple-expr.h instead of gimple.h.
7781         * c-ubsan.c: Don't include gimple.h.
7782
7783 2013-11-12  Joseph Myers  <joseph@codesourcery.com>
7784
7785         * c-common.c (c_common_reswords): Add _Thread_local.
7786
7787 2013-11-09  Joseph Myers  <joseph@codesourcery.com>
7788
7789         * c-common.c (atomic_size_supported_p): New function.
7790         (resolve_overloaded_atomic_exchange)
7791         (resolve_overloaded_atomic_compare_exchange)
7792         (resolve_overloaded_atomic_load, resolve_overloaded_atomic_store):
7793         Use it instead of comparing size with a local list of sizes.
7794
7795 2013-11-07  Andrew MacLeod  <amacleod@redhat.com>
7796             Joseph Myers  <joseph@codesourcery.com>
7797
7798         * c-common.h (enum rid): Add RID_ATOMIC.
7799         * c-common.c (c_common_reswords): Add _Atomic.
7800         (sync_resolve_params): Use TYPE_MAIN_VARIANT on pointer argument.
7801         (keyword_is_type_qualifier): Accept RID_ATOMIC.
7802         * c-format.c (check_format_types): Check for extra _Atomic
7803         qualifiers in format argument.
7804         * c-pretty-print.c (pp_c_cv_qualifiers): Handle atomic qualifier.
7805         (pp_c_type_qualifier_list): Mention _Atomic in comment.
7806
7807 2013-11-06  Tobias Burnus  <burnus@net-b.de>
7808
7809         * c-common.c (reason_option_codes_t): Add CPP_W_DATE_TIME.
7810
7811 2013-11-06  Joseph Myers  <joseph@codesourcery.com>
7812
7813         * c-opts.c (c_common_post_options): Set -ffp-contract=off in C
7814         standards modes.
7815         * c-cppbuiltin.c (cpp_iec_559_value): Consider -ffp-contract=fast
7816         to mean lack of IEEE 754 support.
7817
7818 2013-11-05  Tobias Burnus  <burnus@net-b.de>
7819
7820         * c.opt (-Wdate-time): New option
7821         * c-opts.c (sanitize_cpp_opts): Pass on to libcpp.
7822
7823 2013-11-05  Joseph Myers  <joseph@codesourcery.com>
7824
7825         * c-cppbuiltin.c (cpp_iec_559_value): Test
7826         flag_excess_precision_cmdline not flag_excess_precision.
7827
7828 2013-11-05  Tobias Burnus  <burnus@net-b.de>
7829
7830         * c.opt (fopenmp-simd): New option.
7831         * c-pragma.c (omp_pragmas): Move pragmas which can contain simd to ...
7832         (omp_pragmas): ... this new struct.
7833         (c_pp_lookup_pragma): Also walk omp_pragmas.
7834         (init_pragma): Init pragmas for -fopenmp-simd.
7835
7836 2013-11-04  Marek Polacek  <polacek@redhat.com>
7837
7838         PR c++/58979
7839         * c-common.c (invalid_indirection_error): Handle RO_ARROW_STAR case.
7840
7841 2013-11-04  Joseph Myers  <joseph@codesourcery.com>
7842
7843         * c-cppbuiltin.c (cpp_iec_559_value, cpp_iec_559_complex_value):
7844         New functions.
7845         (c_cpp_builtins): Define __GCC_IEC_559 and __GCC_IEC_559_COMPLEX.
7846
7847 2013-11-04  Eric Botcazou  <ebotcazou@adacore.com>
7848
7849         * c-ada-spec.h (cpp_operation): Add IS_TRIVIAL.
7850         (dump_ada_specs): Adjust prototype of second callback.
7851         * c-ada-spec.c (cpp_check): New global variable.
7852         (dump_ada_nodes): Remove cpp_check parameter and do not pass it down.
7853         (print_generic_ada_decl): Likewise.
7854         (has_static_fields): Change return type to bool and add guard.
7855         (has_nontrivial_methods): New predicate.
7856         (is_tagged_type): Change return type to bool.
7857         (separate_class_package): Call has_nontrivial_methods.
7858         (pp_ada_tree_identifier): Minor tweaks.
7859         (dump_ada_function_declaration): Adjust calls to dump_generic_ada_node.
7860         (dump_ada_array_domains): Likewise.
7861         (dump_ada_array_type): Likewise.
7862         (dump_template_types): Remove cpp_check parameter and do not pass it to
7863         dump_generic_ada_node.
7864         (dump_ada_template): Likewise.
7865         (dump_generic_ada_node): Remove cpp_check parameter and do not pass it
7866         recursively.
7867         (print_ada_methods): Change return type to integer.  Remove cpp_check
7868         parameter and do not pass it down.
7869         (dump_nested_types): Remove cpp_check parameter and do not pass it to
7870         dump_generic_ada_node.
7871         (print_ada_declaration): Likewise.  Test RECORD_OR_UNION_TYPE_P before
7872         accessing methods.
7873         (print_ada_struct_decl): Remove cpp_check parameter and do not pass it
7874         down.  Use has_nontrivial_methods to recognize C++ classes.  Use return
7875         value of print_ada_methods.
7876         (dump_ads): Rename cpp_check parameter to check and adjust prototype.
7877         Set cpp_check to it before invoking dump_ada_nodes.
7878         (dump_ada_specs): Likewise.
7879
7880 2013-11-03  Marek Polacek  <polacek@redhat.com>
7881
7882         * c-ubsan.c: Don't include hash-table.h.
7883         (ubsan_instrument_vla): New function.
7884         * c-ubsan.h: Declare it.
7885
7886 2013-10-31  David Malcolm  <dmalcolm@redhat.com>
7887
7888         Automated part of renaming of symtab_node_base to symtab_node.
7889
7890         Patch autogenerated by rename_symtab.py from
7891         https://github.com/davidmalcolm/gcc-refactoring-scripts
7892         revision 58bb219cc090b2f4516a9297d868c245495ee622
7893
7894         * c-pragma.c (maybe_apply_pending_pragma_weaks): Rename
7895         symtab_node_base to symtab_node.
7896
7897 2013-10-31  Edward Smith-Rowland  <3dw4rd@verizon.net>
7898
7899         Implement C++14 digit separators.
7900         * c-lex.c (interpret_float): Remove digit separators from scratch string
7901         before building real literal.
7902
7903 2013-10-30  Jakub Jelinek  <jakub@redhat.com>
7904
7905         * cilk.c (create_cilk_helper_decl): Use HOST_WIDE_INT_PRINT_DEC.
7906
7907 2013-10-29  Balaji V. Iyer  <balaji.v.iyer@intel.com>
7908
7909         * c-common.c (c_common_reswords[]): Added _Cilk_spawn and _Cilk_sync
7910         fields.
7911         (c_define_builtins): Called cilk_init_builtins if Cilk Plus is
7912         enabled.
7913         * c-common.h (enum rid): Added RID_CILK_SPAWN and RID_CILK_SYNC.
7914         (insert_cilk_frame): New prototype.
7915         (cilk_init_builtins): Likewise.
7916         (gimplify_cilk_spawn): Likewise.
7917         (c_cilk_install_body_w_frame_cleanup): Likewise.
7918         (cilk_detect_spawn_and_unwrap): Likewise.
7919         (cilk_set_spawn_marker): Likewise.
7920         (build_cilk_sync): Likewise.
7921         (build_cilk_spawn): Likewise.
7922         * cilk.c: New file.
7923
7924 2013-10-29  David Malcolm  <dmalcolm@redhat.com>
7925
7926         Patch autogenerated by refactor_symtab.py from
7927         https://github.com/davidmalcolm/gcc-refactoring-scripts
7928         revision 58bb219cc090b2f4516a9297d868c245495ee622
7929
7930         * c-gimplify.c (c_genericize): Update for conversion of symtab types
7931         to a true class hierarchy.
7932         * c-pragma.c (maybe_apply_pending_pragma_weaks): Likewise.
7933
7934 2013-10-27  Richard Sandiford  <rdsandiford@googlemail.com>
7935
7936         * c-lex.c (interpret_integer): Remove call to cpp_num_sign_extend.
7937
7938 2013-10-26  Jeff Law  <law@redhat.com>
7939
7940         * c-common.c (c_define_builtins): Remove mudflap support.
7941         * c.opt: Ignore and warn for mudflap options.
7942
7943 2013-10-24  Tobias Burnus  <burnus@net-b.de>
7944
7945         PR other/33426
7946         * c-pragma.c (init_pragma) Add #pragma ivdep handling.
7947         * c-pragma.h (pragma_kind): Add PRAGMA_IVDEP.
7948
7949 2013-10-23  Jason Merrill  <jason@redhat.com>
7950
7951         * c-format.c (gcc_cxxdiag_char_table): Add %X.
7952
7953 2013-10-11  Jakub Jelinek  <jakub@redhat.com>
7954
7955         * c-common.h (omp_clause_mask::operator !=): New method.
7956         * c-omp.c (c_omp_split_clauses): Use if ((mask & something) != 0)
7957         instead of if (mask & something) tests everywhere.
7958
7959         * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP to
7960         201307 instead of 201107.
7961         * c-common.c (DEF_FUNCTION_TYPE_8): Define.
7962         (c_common_attribute_table): Add "omp declare target" and
7963         "omp declare simd" attributes.
7964         (handle_omp_declare_target_attribute,
7965         handle_omp_declare_simd_attribute): New functions.
7966         * c-omp.c: Include c-pragma.h.
7967         (c_finish_omp_taskgroup): New function.
7968         (c_finish_omp_atomic): Add swapped argument, if true,
7969         build the operation first with rhs, lhs arguments and use NOP_EXPR
7970         build_modify_expr.
7971         (c_finish_omp_for): Add code argument, pass it down to make_code.
7972         (c_omp_split_clauses): New function.
7973         (c_split_parallel_clauses): Removed.
7974         (c_omp_declare_simd_clause_cmp, c_omp_declare_simd_clauses_to_numbers,
7975         c_omp_declare_simd_clauses_to_decls): New functions.
7976         * c-common.h (omp_clause_mask): New type.
7977         (OMP_CLAUSE_MASK_1): Define.
7978         (omp_clause_mask::omp_clause_mask, omp_clause_mask::operator &=,
7979         omp_clause_mask::operator |=, omp_clause_mask::operator ~,
7980         omp_clause_mask::operator |, omp_clause_mask::operator &,
7981         omp_clause_mask::operator <<, omp_clause_mask::operator >>,
7982         omp_clause_mask::operator ==): New methods.
7983         (enum c_omp_clause_split): New.
7984         (c_finish_omp_taskgroup): New prototype.
7985         (c_finish_omp_atomic): Add swapped argument.
7986         (c_finish_omp_for): Add code argument.
7987         (c_omp_split_clauses): New prototype.
7988         (c_split_parallel_clauses): Removed.
7989         (c_omp_declare_simd_clauses_to_numbers,
7990         c_omp_declare_simd_clauses_to_decls): New prototypes.
7991         * c-pragma.c (omp_pragmas): Add new OpenMP 4.0 constructs.
7992         * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_CANCEL,
7993         PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_DECLARE_REDUCTION,
7994         PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_SIMD,
7995         PRAGMA_OMP_TARGET, PRAGMA_OMP_TASKGROUP and PRAGMA_OMP_TEAMS.
7996         Remove PRAGMA_OMP_PARALLEL_FOR and PRAGMA_OMP_PARALLEL_SECTIONS.
7997         (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ALIGNED,
7998         PRAGMA_OMP_CLAUSE_DEPEND, PRAGMA_OMP_CLAUSE_DEVICE,
7999         PRAGMA_OMP_CLAUSE_DIST_SCHEDULE, PRAGMA_OMP_CLAUSE_FOR,
8000         PRAGMA_OMP_CLAUSE_FROM, PRAGMA_OMP_CLAUSE_INBRANCH,
8001         PRAGMA_OMP_CLAUSE_LINEAR, PRAGMA_OMP_CLAUSE_MAP,
8002         PRAGMA_OMP_CLAUSE_NOTINBRANCH, PRAGMA_OMP_CLAUSE_NUM_TEAMS,
8003         PRAGMA_OMP_CLAUSE_PARALLEL, PRAGMA_OMP_CLAUSE_PROC_BIND,
8004         PRAGMA_OMP_CLAUSE_SAFELEN, PRAGMA_OMP_CLAUSE_SECTIONS,
8005         PRAGMA_OMP_CLAUSE_SIMDLEN, PRAGMA_OMP_CLAUSE_TASKGROUP,
8006         PRAGMA_OMP_CLAUSE_THREAD_LIMIT, PRAGMA_OMP_CLAUSE_TO and
8007         PRAGMA_OMP_CLAUSE_UNIFORM.
8008
8009 2013-10-09  Marc Glisse  <marc.glisse@inria.fr>
8010
8011         PR tree-optimization/20318
8012         * c-common.c (handle_returns_nonnull_attribute): New function.
8013         (c_common_attribute_table): Add returns_nonnull.
8014
8015 2013-10-03  Marc Glisse  <marc.glisse@inria.fr>
8016
8017         PR c++/19476
8018         * c.opt (fcheck-new): Move to common.opt.
8019
8020 2013-09-25  Marek Polacek  <polacek@redhat.com>
8021             Jakub Jelinek  <jakub@redhat.com>
8022
8023         PR sanitizer/58413
8024         * c-ubsan.c (ubsan_instrument_shift): Don't instrument
8025         an expression if we can prove it is correct.
8026         (ubsan_instrument_division): Likewise.  Remove unnecessary
8027         check.
8028
8029 2013-09-18  Marek Polacek  <polacek@redhat.com>
8030
8031         PR sanitizer/58411
8032         * c-common.c (handle_no_sanitize_undefined_attribute): New function.
8033         Declare it.
8034         (struct attribute_spec c_common_att): Add no_sanitize_undefined.
8035
8036 2013-09-14  Iain Sandoe  <iain@codesourcery.com>
8037
8038         PR target/48094
8039         * c.opt (fgnu-runtime, fnext-runtime, fobjc-abi-version,
8040         fobjc-gc, freplace-objc-classes): Accept for LTO.
8041
8042 2013-09-13  Jacek Caban  <jacek@codeweavers.com>
8043
8044         * c-target.def: New hook
8045
8046 2013-09-09  Paolo Carlini  <paolo.carlini@oracle.com>
8047
8048         PR c++/43452
8049         * c.opt (Wdelete-incomplete): Add.
8050
8051 2013-09-08  Joern Rennecke  <joern.rennecke@embecosm.com>
8052
8053         * c-common.c (same_scalar_type_ignoring_signedness): Delete.
8054         (vector_types_compatible_elements_p): New function.
8055         * c-common.h: (same_scalar_type_ignoring_signedness): Delete
8056         declaration.
8057         (vector_types_compatible_elements_p): Declare.
8058
8059 2013-09-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8060
8061         * c-pretty-print.h (c_pretty_printer::simple_type_specifier): Now
8062         a virtual member function.
8063         (pp_simple_type_specifier): Remove.
8064         (pp_c_type_specifier): Likewise.
8065         * c-pretty-print.c (c_pretty_printer::simple_type_specifier):
8066         Rename from pp_c_type_specifier.  Adjust.
8067         (c_pretty_printer::c_pretty_printer): Do not assign to
8068         simple_type_specifier.
8069
8070 2013-09-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8071
8072         * c-pretty-print.h (c_pretty_printer::type_id): Now a virtual
8073         member function.
8074         (c_pretty_printer::storage_class_specifier): Likewise.
8075         (c_pretty_printer::initializer): Likewise.
8076         (pp_declaration): Remove.
8077         (pp_declaration_specifiers): Likewise.
8078         (pp_abstract_declarator): Likewise.
8079         (pp_declarator): Likewise.
8080         (pp_type_id): Likewise.
8081         (pp_statement): Likewise.
8082         (pp_constant): Likewise.
8083         (pp_id_expression): Likewise.
8084         (pp_primary_expression): Likewise.
8085         (pp_unary_expression): Likewise.
8086         (pp_multiplicative_expression): Likewise.
8087         (pp_conditional_expression): Likewise.
8088         (pp_assignment_expression): Likewise.
8089         (pp_expression): Likewise.
8090         (pp_c_type_id): Likewise.
8091         (pp_c_storage_class_specifier): Likewise.
8092         * c-pretty-print.c (pp_c_type_cast): Tidy.
8093         (pp_c_pointer): Likewise.
8094         (pp_c_type_specifier): Likewise.
8095         (pp_c_parameter_type_list): Likewise.
8096         (pp_c_function_definition): Likewise.
8097         (pp_c_init_declarator): Likewise.
8098         (pp_c_initializer_list): Likewise.
8099         (pp_c_constructor_elts): Likewise.
8100         (c_pretty_printer::direct_abstract_declarator): Likewise.
8101         (c_pretty_printer::declaration_specifiers): Likewise.
8102         (c_pretty_printer::primary_expression): Likewise.
8103         (c_pretty_printer::postfix_expression): Likewise.
8104         (c_pretty_printer::type_id): Rename from pp_c_type_id.
8105         (c_pretty_printer::storage_class_specifier): Rename from
8106         pp_c_storage_class_specifier.
8107         (c_pretty_printer::initializer): Rename from pp_c_initializer.
8108         (c_pretty_printer::c_pretty_printer): Do not assign to type_id,
8109         storage_class_specifier, initializer, offset_list, flags.
8110
8111 2013-08-30  Marek Polacek  <polacek@redhat.com>
8112
8113         * c-ubsan.c: New file.
8114         * c-ubsan.h: New file.
8115
8116 2013-08-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8117
8118         * c-pretty-print.h (c_pretty_printer::declaration): Now a virtual
8119         member function.
8120         (c_pretty_printer::declaration_specifiers): Likewise.
8121         (c_pretty_printer::declarator): Likewise.
8122         (c_pretty_printer::abstract_declarator): Likewise.
8123         (c_pretty_printer::direct_abstract_declarator): Likewise.
8124         (c_pretty_printer::direct_declarator): Likewise.
8125         (c_pretty_printer::function_specifier): Likewise.
8126         (pp_declaration): Adjust.
8127         (pp_declaration_specifiers): Likewise.
8128         (pp_abstract_declarator): Likewise.
8129         (pp_direct_declarator): Likewise.
8130         (pp_function_specifier): Likewise.
8131         (pp_direct_abstract_declarator): Remove as unused.
8132         (pp_c_declaration): Remove.
8133         (pp_c_declaration_specifiers): Likewise.
8134         (pp_c_declarator): Likewise.
8135         (pp_c_direct_declarator): Likewise.
8136         (pp_c_function_specifier): Likewise.
8137         (pp_c_direct_abstract_declarator): Likewise.
8138         * c-pretty-print.c (c_pretty_printer::abstract_declarator): Rename
8139         from pp_c_abstract_declarator.  Adjust.
8140         (c_pretty_printer::direct_abstract_declarator): Rename from
8141         pp_c_direct_abstract_declarator.  Adjust.
8142         (c_pretty_printer::function_specifier): Rename from
8143         pp_c_function_specifier.  Adjust.
8144         (c_pretty_printer::declaration_specifiers): Rename from
8145         pp_c_declaration_specifiers.  Adjust.
8146         (c_pretty_printer::direct_declarator): Rename from
8147         pp_c_direct_declarator.  Adjust.
8148         (c_pretty_printer::declarator): Rename from pp_c_declarator.  Adjust.
8149         (c_pretty_printer::declaration): Rename from pp_c_declaration.  Adjust.
8150         (c_pretty_printer::c_pretty_printer): Do not assign to
8151         declaration, declaration_specifiers, declarator,
8152         direct_declarator, direct_abstract_declarator, function_specifier.
8153
8154 2013-08-26  Gabriel Dos Reis  <gdre@integrable-solutions.net>
8155
8156         * c-pretty-print.h (c_pretty_printer::unary_expression): Now a
8157         virtual member function.
8158         (c_pretty_printer::multiplicative_expression): Likewise.
8159         (c_pretty_printer::conditional_expression): Likewise.
8160         (c_pretty_printer::assignment_expression): Likewise.
8161         (c_pretty_printer::expression): Likewise.
8162         (pp_unary_expression): Adjust.
8163         (pp_multiplicative_expression): Likewise.
8164         (pp_assignment_expression): Likewise.
8165         (pp_conditional_expression): Likewise.
8166         (pp_expression): Likewise.
8167         * c-pretty-print.c (c_pretty_printer::unary_expression): Rename
8168         from pp_c_unary_expression.  Adjust.
8169         (c_pretty_printer::multiplicative_expression): Rename from
8170         pp_c_multiplicative_expression.  Adjust.
8171         (c_pretty_printer::conditional_expression): Rename from
8172         pp_c_conditional_expression.  Adjust.
8173         (c_pretty_printer::assignment_expression): Rename from
8174         pp_c_assignment_expression.  Adjust.
8175         (c_pretty_printer::expression): Rename from pp_c_expression.  Adjust.
8176         (c_pretty_printer::c_pretty_printer): Do not assign to
8177         unary_expression, multiplicative_expression,
8178         conditional_expression, expression.
8179
8180 2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8181
8182         * c-pretty-print.h (c_pretty_printer::postfix_expression): Now a
8183         virtual member function.
8184         (pp_postfix_expression): Adjust.
8185         (pp_c_postfix_expression): Remove.
8186         * c-pretty-print.c (c_pretty_printer::postfix_expression): Rename
8187         from pp_c_postfix_expression.  Adjust.
8188         (c_pretty_printer::c_pretty_printer): Do not assign to
8189         postfix_expression.
8190
8191 2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8192
8193         * c-pretty-print.h (c_pretty_printer::primary_expression): Now a
8194         virtua member function.
8195         (pp_primary_expression): Adjust.
8196         (pp_c_primary_expression): Remove.
8197         * c-pretty-print.c (c_pretty_printer::primary_expression): Rename
8198         from pp_c_primary_expression.  Adjust.
8199         (pp_c_initializer_list): Use pp_primary_expression.
8200         (c_pretty_printer::c_pretty_printer): Do not assign to
8201         primary_expression.
8202
8203 2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8204
8205         * c-pretty-print.h (c_pretty_printer::translate_string): Declare.
8206         * c-pretty-print.c (M_): Remove.
8207         (c_pretty_printer::translate_string): Define.
8208         (pp_c_type_specifier): Use it.
8209         (pp_c_primary_expression): Likewise.
8210         (pp_c_expression): Likewise.
8211
8212 2013-08-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8213
8214         * c-pretty-print.h (c_pretty_printer::id_expression): Now a
8215         virtual function.
8216         (pp_c_id_expression): Remove.
8217         (pp_id_expression): Adjust.
8218         * c-pretty-print.c (c_pretty_printer::id_expression): Rename from
8219         pp_c_id_expression.  Adjust.
8220         (pp_c_postfix_expression): Use pp_id_expression.
8221         (c_pretty_printer::c_pretty_printer): Do not assign to id_expression.
8222
8223 2013-08-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8224
8225         * c-pretty-print.h (c_pretty_printer::constant): Now a virtual
8226         member function.
8227         (pp_constant): Adjust.
8228         (pp_c_constant): Remove.
8229         * c-pretty-print.c (c_pretty_printer::constant): Rename from
8230         pp_c_constant.  Adjust.
8231         (pp_c_constant)
8232         (pp_c_primary_expression): Call pp_constant in lieu of pp_c_constant.
8233         (c_pretty_printer::c_pretty_printer): Remove assignment to constant.
8234
8235 2013-08-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8236
8237         * c-pretty-print.h (pp_c_pretty_printer_init): Remove.
8238         (c_pretty_printer::c_pretty_printer): Declare.
8239         * c-pretty-print.c (pretty_printer::c_pretty_printer): Rename from
8240         c_pretty_printer_init.  Adjust.
8241         (print_c_tree): Do not call c_pretty_printer_init.
8242         * c-ada-spec.c (dump_ads): Remove call to pp_construct.
8243
8244 2013-08-09  Arnaud Charlet  <charlet@adacore.com>
8245
8246         * c-ada-spec.c (print_ada_declaration): Prevent accessing null asm name
8247
8248 2013-08-05  Paolo Carlini  <paolo.carlini@oracle.com>
8249
8250         PR c++/58080
8251         * c-common.c (pointer_int_sum): Add bool parameter.
8252         * c-common.h (pointer_int_sum): Adjust declaration.
8253
8254 2013-08-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8255
8256         * c-pretty-print.c (print_c_tree): Simplify.  Use non-static local
8257         c_pretty_printer variable.
8258
8259 2013-08-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8260
8261         * c-pretty-print.h (c_pretty_printer): Derive from pretty_printer.
8262         (pp_base): Remove.
8263         (pp_c_base): Likewise.  Adjust users.
8264         * c-pretty-print.c (pp_c_maybe_whitespace): Adjust.
8265         (pp_c_whitespace): Do not call pp_base.
8266         (pp_c_left_paren): Likewise.
8267         (pp_c_right_paren): Likewise.
8268         (pp_c_left_brace): Likewise.
8269         (pp_c_right_brace): Likewise.
8270         (pp_c_left_bracket): Likewise.
8271         (pp_c_right_bracket): Likewise.
8272         (pp_c_dot): Likewise.
8273         (pp_c_ampersand): Likewise.
8274         (pp_c_star): Likewise.
8275         (pp_c_arrow): Likewise.
8276         (pp_c_semicolon): Likewise.
8277         (pp_c_complement): Likewise.
8278         (pp_c_exclamation): Likewise.
8279         (pp_c_direct_declarator): Likewise.
8280         (pp_c_ws_string): Likewise.
8281         (pp_c_identifier): Likewise.
8282         (pp_c_statement): Likewise.
8283         (print_c_tree): Likewise.
8284
8285 2013-08-04  Ed Smith-Rowland  <3dw4rd@verizon.net>
8286
8287         PR c++/58072
8288         * c-common.c (c_parse_error): Catch user-defined literal tokens and
8289         provide useful error strings.
8290
8291 2013-08-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8292
8293         * c-ada-spec.c (pp_ada_tree_identifier): Use specialized pretty
8294         printer functions instead of pp_string or operators and punctuators.
8295         (dump_generic_ada_node): Likewise.
8296         * c-pretty-print.c (pp_c_type_specifier): Likewise.
8297         (pp_c_relational_expression): Likewise.
8298         (pp_c_logical_or_expression): Likewise.
8299
8300 2013-08-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8301
8302         * c-ada-spec.c (print_ada_macros): Use specialized pretty printer
8303         functions instead of pp_character.
8304         (pp_ada_tree_identifier): Likewise.
8305         (dump_ada_double_name): Likewise.
8306         (dump_ada_function_declaration): Likewise.
8307         (dump_ada_array_domains): Likewise.
8308         (dump_template_types): Likewise.
8309         (dump_generic_ada_node): Likewise.
8310         (print_ada_declaration): Likewise.
8311         (print_ada_struct_decl): Likewise.
8312         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8313
8314 2013-07-23  Tom Tromey  <tromey@redhat.com>
8315
8316         * c-common.h (enum rid) <RID_GENERIC>: New constant.
8317         * c-common.c (c_common_reswords): Add _Generic.
8318
8319 2013-07-21   OndÅ\99ej BÃlka  <neleai@seznam.cz>
8320
8321         * c-common.c: Fix typos.
8322         * c-common.h: Likewise.
8323
8324 2013-07-13  Lubos Lunak  <l.lunak@suse.cz>
8325
8326         PR c++/55203
8327         * c-common.c (c_common_attribute_table): Add warn_unused.
8328         (handle_warn_unused_attribute): New.
8329
8330 2013-07-10  Jakub Jelinek  <jakub@redhat.com>
8331
8332         * c-ppoutput.c (scan_translation_unit): Call account_for_newlines
8333         for all CPP_TOKEN_FLD_STR tokens, not just CPP_COMMENT.
8334
8335 2013-07-10  Paolo Carlini  <paolo.carlini@oracle.com>
8336
8337         PR c++/57869
8338         * c.opt: Add Wconditionally-supported.
8339
8340 2013-07-08  Graham Stott  <graham.stott@btinternet.com>
8341
8342         * array-notation-common.c (length_mismatch_in_expr_p): Delete
8343         unused variables l_length and l_node.
8344
8345 2013-07-04  Joern Rennecke  <joern.rennecke@embecosm.com>
8346
8347         PR c/57821
8348         * c-common.c (complete_array_type): Delay folding first index
8349         like other indices.  When folding, check for index overflow.
8350
8351 2013-06-27  Marc Glisse  <marc.glisse@inria.fr>
8352
8353         PR c++/57509
8354         * c-common.h (c_build_vec_perm_expr): New complain argument.
8355         * c-common.c (c_build_vec_perm_expr): Likewise.
8356         Use save_expr also in C++.
8357
8358 2013-06-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8359
8360         * c-common.c (c_common_nodes_and_builtins): Use cxx11 in lieu of cxx0x.
8361         * c-cppbuiltin.c (c_cpp_builtins): Likewise.
8362         * c-opts.c (c_common_post_options): Likewise.
8363
8364 2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>
8365
8366         * array-notation-common.c (length_mismatch_in_expr): Changed the
8367         parameter type's from a dynamic array to a vec_tree.  Also removed
8368         the size parameters.
8369         * c-common.h (length_mismatch_in_expr_p): Fixed prototype's as per
8370         the change above.
8371
8372 2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>
8373
8374         * c-common.h (struct cilkplus_an_parts): New structure.
8375         (struct cilkplus_an_loop_parts): Likewise.
8376         (cilkplus_extract_an_triplets): New prototype.
8377         (fix_sec_implicit_args): Likewise.
8378         * array-notation-common.c (cilkplus_extract_an_triplets): New function.
8379         (fix_sec_implicit_args): Likewise.
8380
8381 2013-06-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>
8382
8383         * array-notation-common.c (find_inv_trees): Removed an unwanted
8384         typecasting.
8385         * c-common.h (struct inv_list::additional_tcodes): Changed type from
8386         enum rid to enum tree_code.
8387
8388 2013-06-11  Jan Hubicka  <jh@suse.cz>
8389
8390         * c-common.c (handle_alias_ifunc_attribute): Do not set
8391         DECL_EXTERNAL for weakref variables.
8392         * c-pragma.c (handle_pragma_weak): Make sure aliases
8393         are not declared as external.
8394
8395 2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>
8396
8397         * array-notation-common.c (length_mismatch_in_expr_p): Moved this
8398         function from c/c-array-notation.c.
8399         (is_cilkplus_reduce_builtin): Likewise.
8400         (find_rank): Likewise.
8401         (extract_array_notation_exprs): Likewise.
8402         (replace_array_notations): Likewise.
8403         (find_inv_trees): Likewise.
8404         (replace_inv_trees): Likewise.
8405         (contains_array_notation_expr): Likewise.
8406         (find_correct_array_notation_type): Likewise.
8407         * c-common.h (struct inv_list): Moved this struct from the file
8408         c/c-array-notation.c and added a new field called additional tcodes.
8409         (length_mismatch_in_expr_p): New prototype.
8410         (is_cilkplus_reduce_builtin): Likewise.
8411         (find_rank): Likewise.
8412         (extract_array_notation_exprs): Likewise.
8413         (replace_array_notation): Likewise.
8414         (find_inv_trees): Likewise.
8415         (replace_inv_trees): Likewise.
8416         (find_correct_array_notation_type): Likewise.
8417
8418 2013-05-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>
8419
8420         * c-common.c (c_define_builtins): When cilkplus is enabled, the
8421         function array_notation_init_builtins is called.
8422         (c_common_init_ts): Added ARRAY_NOTATION_REF as typed.
8423         * c-common.def (ARRAY_NOTATION_REF): New tree.
8424         * c-common.h (build_array_notation_expr): New function declaration.
8425         (build_array_notation_ref): Likewise.
8426         (extract_sec_implicit_index_arg): New extern declaration.
8427         (is_sec_implicit_index_fn): Likewise.
8428         (ARRAY_NOTATION_CHECK): New define.
8429         (ARRAY_NOTATION_ARRAY): Likewise.
8430         (ARRAY_NOTATION_START): Likewise.
8431         (ARRAY_NOTATION_LENGTH): Likewise.
8432         (ARRAY_NOTATION_STRIDE): Likewise.
8433         * c-pretty-print.c (pp_c_postifix_expression): Added a new case for
8434         ARRAY_NOTATION_REF.
8435         (pp_c_expression): Likewise.
8436         * c.opt (flag_enable_cilkplus): New flag.
8437         * array-notation-common.c: New file.
8438
8439 2013-05-14  Jakub Jelinek  <jakub@redhat.com>
8440
8441         PR c++/57274
8442         * c-common.c (verify_tree): Don't recurse into SIZEOF_EXPR.
8443
8444 2013-05-10  Marc Glisse  <marc.glisse@inria.fr>
8445
8446         * c-common.c (vector_types_convertible_p): No TYPE_PRECISION for
8447         vectors.
8448
8449 2013-05-07  Han Shen  <shenhan@google.com>
8450
8451         * c-cppbuiltin.c (c_cpp_builtins): Added "__SSP_STRONG__=3".
8452
8453 2013-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
8454
8455         * c-common.c (check_user_alignment): Emit error for negative values.
8456
8457 2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
8458
8459         * c-opts.c (set_std_cxx11): Use CLK_CXX1Y and CLK_GNUCXX1Y.
8460
8461 2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
8462
8463         * c-cppbuiltin.c (c_cpp_builtins): Do not define
8464         __GXX_EXPERIMENTAL_CXX1Y__.
8465
8466 2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
8467             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8468
8469         * c.opt ([Wpointer-arith]): Enabled by -Wpedantic, as documented.
8470         * c-common.c (pointer_int_sum): Change -Wpointer-arith pedwarns
8471         to simply use OPT_Wpointer_arith.
8472         (c_sizeof_or_alignof_type): Likewise.
8473
8474 2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
8475
8476         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_EXPERIMENTAL_CXX1Y__.
8477
8478 2013-04-12  Jakub Jelinek  <jakub@redhat.com>
8479
8480         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
8481         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Add %r and %R format
8482         specifiers.
8483
8484 2013-04-07  Steven Bosscher  <steven@gcc.gnu.org>
8485
8486         * c-pragma.c (add_to_renaming_pragma_list): Fix leading comment.
8487
8488 2013-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
8489
8490         * c-common.c (pointer_int_sum): Remove dead code.
8491
8492 2013-03-09  Richard Sandiford  <rdsandiford@googlemail.com>
8493
8494         PR middle-end/56524
8495         * c-common.c (handle_optimize_attribute): Don't call
8496         save_optabs_if_changed.
8497
8498 2013-03-05  Jakub Jelinek  <jakub@redhat.com>
8499
8500         PR middle-end/56461
8501         * c-pch.c (pch_init): Free target_validity at the end.
8502
8503 2013-03-04  Jakub Jelinek  <jakub@redhat.com>
8504
8505         * c-pretty-print.c (pp_c_pretty_printer_init): Clear pp->flags.
8506
8507 2013-02-28  Konstantin Serebryany  <konstantin.s.serebryany@gmail.com>
8508             Jakub Jelinek  <jakub@redhat.com>
8509
8510         PR sanitizer/56454
8511         * c-common.c (handle_no_sanitize_address_attribute): New function.
8512         (c_common_attribute_table): Add no_sanitize_address attribute.
8513         (handle_no_address_safety_analysis_attribute): Add
8514         no_sanitize_address attribute, not no_address_safety_analysis
8515         attribute.
8516
8517 2013-02-18  Aldy Hernandez  <aldyh@redhat.com>
8518
8519         PR target/52555
8520         * c-common.c (handle_optimize_attribute): Call
8521         save_optabs_if_changed.
8522
8523 2013-02-18  Jakub Jelinek  <jakub@redhat.com>
8524             Steven Bosscher  <steven@gcc.gnu.org>
8525
8526         PR pch/54117
8527         * c-opts.c (c_common_post_options): If debug info is enabled
8528         and non-dwarf*, refuse to load PCH files and when writing PCH
8529         file warn.
8530
8531 2013-02-05  Jakub Jelinek  <jakub@redhat.com>
8532
8533         PR middle-end/56167
8534         * c-common.c (handle_error_attribute): Fix condition.
8535
8536 2013-01-30  Jakub Jelinek  <jakub@redhat.com>
8537
8538         PR c++/55742
8539         * c-common.c (handle_target_attribute): Revert 2012-12-26 change.
8540
8541 2013-01-18  Jason Merrill  <jason@redhat.com>
8542
8543         PR target/54908
8544         * c.opt (-fextern-tls-init): New.
8545         * c-opts.c (c_common_post_options): Handle it.
8546
8547 2013-01-09  Jakub Jelinek  <jakub@redhat.com>
8548
8549         PR c/48418
8550         * c-common.c (c_fully_fold_internal): Warn for LSHIFT_EXPR and
8551         RSHIFT_EXPR, if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST
8552         and is either negative or bigger or equal to type precision
8553         of the first operand.
8554
8555 2012-12-03  Marek Polacek  <polacek@redhat.com>
8556
8557         PR c/55570
8558         * c-common.c (check_user_alignment): Swap order of tests,
8559         check TREE_CODE first.
8560
8561 2012-11-29  Ed Smith-Rowland  <3dw4rd@verizon.net>
8562
8563         PR c++/52654
8564         * c-common.h (overflow_type): New enum.
8565         (build_userdef_literal): Add overflow_type argument.
8566         (tree_userdef_literal): Add overflow_type.
8567         (USERDEF_LITERAL_OVERFLOW): New access macro.
8568         * c-common.c (build_userdef_literal): Add overflow_type
8569         argument.
8570         * c-lex.c (c_lex_with_flags): Add overflow_type to
8571         build_userdef_literal calls.
8572         (interpret_integer, interpret_float): Add overflow_type argument.
8573
8574 2012-11-28  Richard Biener  <rguenther@suse.de>
8575
8576         PR c/35634
8577         * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
8578         here and use a type with proper overflow behavior for types that would
8579         need to be promoted for the arithmetic.
8580
8581 2012-11-23  Jakub Jelinek  <jakub@redhat.com>
8582
8583         PR sanitizer/55435
8584         * c-common.c (handle_no_address_safety_analysis_attribute): New
8585         function.
8586         (c_common_attribute_table): Add no_address_safety_analysis.
8587
8588 2012-11-16  Simon Baldwin  <simonb@google.com>
8589
8590         * c.opt: Add f[no-]canonical-system-headers.
8591         * c-opts.c (c_common_handle_option): Handle
8592         OPT_fcanonical_system_headers.
8593
8594 2012-11-09  Ed Smith-Rowland  <3dw4rd@verizon.net>
8595
8596         PR c++/54413
8597         * c-opts.c (c_common_handle_option): Set new flags.
8598         * c.opt: Describe new flags.
8599
8600 2012-11-09  Jason Merrill  <jason@redhat.com>
8601
8602         * c.opt (Wabi-tag): New.
8603
8604 2012-11-09  Andi Kleen  <ak@linux.intel.com>
8605
8606         PR 55139
8607         * c-common.c (get_atomic_generic_size): Mask with
8608         MEMMODEL_MASK
8609
8610 2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8611
8612         PR c/53063
8613         * c.opt (Wformat): Make it Alias Wformat=1.
8614         (Wformat-contains-nul,Wformat-extra-args,Wformat-nonliteral,
8615         Wformat-security,Wformat-y2k,Wformat-zero-length): Use
8616         LangEnabledBy.
8617         (Wformat=): RejectNegative. Use LangEnabledBy.
8618         (Wnonnull): Use LangEnabledBy.
8619         * c-opts.c (c_common_handle_option): Do not handle Wformat here.
8620         * c-format.c (set_Wformat): Delete.
8621         (decode_format_attr): Replace OPT_Wformat with OPT_Wformat_.
8622         (maybe_read_dollar_number): Likewise.
8623         (avoid_dollar_number): Likewise.
8624         (finish_dollar_format_checking): Likewise.
8625         (check_format_info): Likewise.
8626         (check_format_info_main): Likewise.
8627         (check_format_types): Likewise.
8628         (format_type_warning): Likewise.
8629         * c-common.c (int): Likewise.
8630         (check_function_sentinel): Likewise.
8631         * c-common.h (warn_format,set_Wformat): Do not declare here.
8632
8633 2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8634
8635         PR c/53063
8636         * c.opt(Warray-bounds,Wdelete-non-virtual-dtor,Wenum-compare,
8637         Wmain,Woverlength-strings, Wunknown-pragmas,Wunused-macros):
8638         Use LangEnabledBy.
8639         (Wswitch,Wswitch-default,Wswitch-enum): Likewise. Move here from
8640         common.opt.
8641         (Wvariadic-macros): Init(1).
8642         * c-opts.c (c_common_handle_option): Do not handle them
8643         explicitly.
8644         (c_common_post_options): Likewise.
8645         (sanitize_cpp_opts): warn_unused_macros is now
8646         cpp_warn_unused_macros.
8647         (push_command_line_include): Likewise.
8648         * c-common.c (warn_unknown_pragmas): Do not define.
8649         * c-common.h (warn_unknown_pragmas): Do not declare.
8650
8651 2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8652
8653         PR c/51294
8654         * c-common.c (conversion_warning): Handle conditional expressions.
8655
8656 2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
8657
8658         PR c++/54930
8659         * c.opt (Wreturn_local_addr): Define new option.
8660
8661 2012-10-25  Jason Merrill  <jason@redhat.com>
8662
8663         * c.opt (Wvirtual-move-assign): New.
8664
8665         * c.opt (Winherited-variadic-ctor): New.
8666
8667 2012-10-25  Marc Glisse  <marc.glisse@inria.fr>
8668
8669         PR c++/54427
8670         * c-common.c (scalar_to_vector): Handle VEC_COND_EXPR.
8671
8672 2012-10-23  Joseph Myers  <joseph@codesourcery.com>
8673
8674         * c-common.h (pch_cpp_save_state): Declare.
8675         * c-target.def (c_preinclude): New hook.
8676         * c-opts.c (done_preinclude): New.
8677         (push_command_line_include): Handle default preincluded header.
8678         (cb_file_change): Call pch_cpp_save_state when calling
8679         push_command_line_include.
8680         * c-pch.c (pch_ready_to_save_cpp_state, pch_cpp_state_saved)
8681         (pch_cpp_save_state): New.
8682         (pch_init): Call pch_cpp_save_state conditionally, instead of
8683         calling cpp_save_state.
8684
8685 2012-10-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8686
8687         PR c/53063
8688         PR c/40989
8689         * c.opt (Waddress,Wchar-subscripts,Wsign-conversion,Wimplicit,
8690         Wimplicit-function-declaration,Wimplicit-int,Wsizeof-pointer-memaccess,
8691         Wnarrowing,Wparentheses,Wpointer-sign,Wreturn-type,Wsequence-point,
8692         Wsign-compare,Wuninitialized,Wmaybe-uninitialized,Wunused,
8693         Wvolatile-register-var): Add LangEnabledBy or EnabledBy.
8694         * c-opts.c (c_common_handle_option): Remove explicit handling from
8695         here.
8696         (c_common_post_options): Likewise.
8697
8698 2012-10-18  Eric Botcazou  <ebotcazou@adacore.com>
8699
8700         * c-ada-spec.c (LOCATION_COL): Delete.
8701         (compare_location): New function.
8702         (compare_node): Use it.
8703         (compare_comment): Likewise.
8704
8705 2012-10-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8706
8707         PR c/53063
8708         PR c/40989
8709         * c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy.
8710         * c-opts.c (c_common_handle_option): Do not set them here. Add
8711         comment.
8712         (c_common_post_options): Likewise.
8713
8714 2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>
8715
8716         * c-ada-spec.c (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Define.
8717         (dump_generic_ada_node) <INTEGER_CST>: Deal with sizetype specially.
8718         Remove POINTER_TYPE handling, add large unsigned handling and use
8719         ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX for big numbers.
8720
8721 2012-10-12  Jakub Jelinek  <jakub@redhat.com>
8722
8723         PR c/54381
8724         * c-common.h (sizeof_pointer_memaccess_warning): Adjust prototype.
8725         * c-common.c (sizeof_pointer_memaccess_warning): Take array of 3
8726         locs and array of 3 trees instead of just single loc and single
8727         sizeof_arg tree.  Handle __builtin___*_chk builtins too, and
8728         also stpncpy, bcopy, bcmp, bzero, snprintf and vsnprintf builtins.
8729         For *cmp* builtins that take two sources strings report warnings
8730         about first and second source, not about destination and source.
8731
8732 2012-10-12  Marc Glisse  <marc.glisse@inria.fr>
8733
8734         PR c++/53055
8735         * c-common.h (enum ref_operator) [RO_ARROW_STAR]: New.
8736
8737 2012-10-11  Eric Botcazou  <ebotcazou@adacore.com>
8738
8739         * c-ada-spec.c (dump_ada_template): Bail out for template declarations
8740         declaring something coming from another file.
8741
8742 2012-10-10  Arnaud Charlet  <charlet@adacore.com>
8743
8744         PR ada/54845
8745         * c-ada-spec.c (print_ada_struct_decl): Increase buf size.
8746
8747 2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>
8748
8749         PR c++/54194
8750         * c-common.c (warn_about_parentheses): Add location_t parameter;
8751         use EXPR_LOC_OR_LOC.
8752         * c-common.h: Update declaration.
8753
8754 2012-10-09  Marc Glisse  <marc.glisse@inria.fr>
8755
8756         PR c++/54427
8757         * c-common.c (scalar_to_vector): Moved from c-typeck.c. Support
8758         more operations. Make error messages optional.
8759         * c-common.h (enum stv_conv): Moved from c-typeck.c.
8760         (scalar_to_vector): Declare.
8761
8762 2012-10-08  Jason Merrill  <jason@redhat.com>
8763
8764         * c-common.c (c_common_reswords): Add thread_local.
8765
8766 2012-10-08  Dodji Seketeli  <dodji@redhat.com>
8767
8768         PR c++/53528 C++11 attribute support
8769         * c-common.h (bitfield_p, cxx_fundamental_alignment_p): Declare
8770         new functions.
8771         * c-common.c (check_cxx_fundamental_alignment_constraints): New
8772         static function.
8773         (handle_aligned_attribute): In choose strictest alignment
8774         among many.  Use new check_cxx_fundamental_alignment_constraints.
8775         (handle_transparent_union_attribute): In c++11 attribute syntax,
8776         don't look through typedefs.
8777
8778 2012-10-04  Arnaud Charlet  <charlet@adacore.com>
8779
8780         * c-ada-spec.c (print_ada_declaration): Remove handling of TDF_RAW.
8781         * c.opt (-fdump-ada-spec, -fdump-ada-spec-slim): Move switch definition
8782         out of dumpfile.h.
8783
8784 2012-09-25  Dehao Chen  <dehao@google.com>
8785
8786         PR middle-end/54645
8787         * c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data
8788         map when read in the pch.
8789
8790 2012-09-18  Arnaud Charlet  <charlet@adacore.com>
8791
8792         * c-ada-spec.c: Style fixes.
8793
8794 2012-09-18  Thomas Quinot  <quinot@adacore.com>
8795
8796         * c.opt (-fada-spec-parent): Define new command line switch.
8797         * c-ada-spec.c (get_ada_package): When -fada-spec-parent
8798         is specified, generate binding spec as a child of the specified unit.
8799
8800 2012-09-13  Paolo Carlini  <paolo.carlini@oracle.com>
8801             Manuel López-Ibáñez  <manu@gcc.gnu.org>
8802
8803         PR c++/53210
8804         * c.opt ([Winit-self]): Enabled by -Wall in C++.
8805
8806 2012-08-23  Arnaud Charlet  <charlet@adacore.com>
8807
8808         * c-ada-spec.c (dump_generic_ada_node): Fix handling of name_only
8809         for pointers, and add missing Convention C pragma.
8810         (print_ada_struct_decl): Add missing aliased keyword.
8811         (dump_ads): Add pragma Ada_2005 and Style_Checks (Off).
8812
8813 2012-08-17  Jakub Jelinek  <jakub@redhat.com>
8814
8815         * c-common.c (sizeof_pointer_memaccess_warning): New function.
8816         * c.opt (-Wsizeof-pointer-memaccess): Add new option.
8817         * c-opts.c (c_common_handle_option): Enable it for -Wall.
8818         * c-common.h (sizeof_pointer_memaccess_warning): Add prototype.
8819         * c-common.def (SIZEOF_EXPR): Moved here from cp-tree.def.
8820
8821 2012-08-10  Richard Guenther  <rguenther@suse.de>
8822
8823         * c-pretty-print.c (pp_c_expression): Handle anonymous SSA names.
8824
8825 2012-08-07  Steven Bosscher  <steven@gcc.gnu.org>
8826
8827         * c-pretty-print.c (pp_c_function_definition): Use pp_newline_and_flush
8828         instead of separate pp_newline and pp_flush.
8829         (print_c_tree): Likewise.
8830
8831 2012-07-26  Richard Henderson  <rth@redhat.com>
8832
8833         * c-common.c (handle_hot_attribute): Allow labels.
8834         (handle_cold_attribute): Likewise.
8835
8836 2012-07-20  Jakub Jelinek  <jakub@redhat.com>
8837
8838         PR c++/28656
8839         * c-common.c (check_function_nonnull): Handle multiple nonnull
8840         attributes properly.
8841
8842 2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>
8843
8844         * c-gimplify.c: Include dumpfile.h instead of tree-dump.h.
8845         * c-ada-spec.c: Likewise.
8846         * c-dump.c (dump_stmt): Move to cp/dump.c, the only user.
8847
8848 2012-07-14  Steven Bosscher  <steven@gcc.gnu.org>
8849
8850         * c-pch.c (CHECK_NO_ASM_OUT_DURING_PCH): Do not define.
8851         Remove code conditional on it.
8852
8853 2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>
8854
8855         * c-gimplify.c: Do not include basic-block.h.
8856         * c-common.c: Do not include linfuncs.h.
8857
8858 2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>
8859
8860         * c-common.h: Include tree.h.
8861
8862 2012-07-02  Jason Merrill  <jason@redhat.com>
8863
8864         PR c++/53524
8865         * c-common.c (get_priority): Call default_conversion.
8866
8867 2012-07-01  Uros Bizjak  <ubizjak@gmail.com>
8868
8869         * c-pch.c (c_common_write_pch): Remove unused variables.
8870
8871 2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>
8872
8873         * cppspec.c: Moved from gcc/ to here.
8874
8875 2012-06-27  Kai Tietz  <ktietz@redhat.com>
8876
8877         PR preprocessor/37215
8878         * c-ppoutput.c (preprocess_file): Check for nonempty buffer.
8879
8880 2012-06-21  Steven Bosscher  <steven@gcc.gnu.org>
8881
8882         * c-common.h (c_common_print_pch_checksum): Remove.
8883         * c-pch.c: Do not include output.h.
8884         (CHECK_NO_ASM_OUT_DURING_PCH): Define and add FIXME.
8885         (asm_out_file): Define iff CHECK_NO_ASM_OUT_DURING_PCH isdefined.
8886         (asm_file_startpos): Define iff CHECK_NO_ASM_OUT_DURING_PCH is defined.
8887         (struct c_pch_header): Remove.
8888         (get_ident): Update gpch version.
8889         (pch_init): Do not print executable_checksum to asm_out_file.
8890         Do not fail if there is no asm_out_file to read back from.  Set
8891         asm_file_startpos only if CHECK_NO_ASM_OUT_DURING_PCH is defined.
8892         (c_common_write_pch): Verify that nothing was written to asm_out_file
8893         since pch_init was called.  Do not write a c_pch_header, and do not
8894         copy from asm_out_file to the PCH.
8895         (c_common_read_pch): Do not read a c_pch_header, and do not restore
8896         the content of asm_out_file from the PCH.
8897         (c_common_print_pch_checksum): Remove.
8898         * c-opts.c (c_common_init): Print out executable_checksum directly.
8899
8900 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
8901
8902         * c-target.def (objc_declare_unresolved_class_reference,
8903         objc_declare_class_definition): Add new hooks.
8904
8905 2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>
8906
8907         * c-lex.c: Do not include output.h.
8908         (cb_ident): Try to put out .ident with targetm.asm_out.output_ident.
8909         Remove uses of ASM_OUTPUT_IDENT.
8910
8911 2012-06-15  Marc Glisse  <marc.glisse@inria.fr>
8912
8913         PR c++/51033
8914         * c-common.h (c_build_vec_perm_expr): Move decl here.
8915         * c-common.c (c_build_vec_perm_expr): Move definition
8916         here.
8917
8918 2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>
8919
8920         * c.opt (fconserve-space): Turn into a no-op.
8921
8922 2012-06-04  Sterling Augustine  <saugustine@google.com>
8923
8924         * c-pretty-print.h (pp_c_flag_gnu_v3): New enumerator.
8925         * c-pretty-print.c (pp_c_specifier_qualifier_list): Check it at
8926         both the start and end of the function.
8927
8928 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
8929
8930         * c-common.c: Do not include output.h.
8931         * c-pragma.c: Likewise.
8932
8933 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
8934
8935         * error.c (dump_decl): Check pp_c_flag_gnu_v3.
8936         (decl_as_dwarf_string, lang_decl_dwarf_name): New functions.
8937         (lang_decl_name): Handle namespace decls.
8938
8939 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
8940
8941         * c-ada-spec.c: Do not include output.h.
8942         * c-semantics.c: Likewise.
8943
8944 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
8945
8946         * c-common.c: Fix typo.
8947
8948 2012-05-29  Michael Matz  <matz@suse.de>
8949
8950         * c-common.h (c_expand_decl): Remove prototype.
8951
8952 2012-05-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8953
8954         * c.opt (Wmissing-braces): Use LangEnabledBy(C ObjC,Wall).
8955         * c-opts.c (c_common_handle_option): Remove code handling
8956         warn_missing_braces.
8957
8958 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
8959
8960         PR c++/25137
8961         * c-opts.c (c_common_handle_option): For C++ -Wall doesn't enable
8962         -Wmissing_braces.
8963
8964 2012-05-22  Dodji Seketeli  <dodji@redhat.com>
8965
8966         PR c++/53322
8967         * c.opt (Wunused-local-typedefs): Use EnabledBy(Wunused).
8968
8969 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8970
8971         * c.opt (--pedantic-errors,-pedantic-errors): Do not handle here.
8972         * c-opts.c (c_common_handle_option): Do not handle explicitly
8973         Wreturn-type, Wwrite-strings, warn_ecpp, and -pedantic-errors.
8974
8975 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
8976
8977         PR preprocessor/7263
8978         * c-lex.c (c_lex_with_flags): Pass a virtual location to the call
8979         to cpp_classify_number.  For diagnostics, use the precise location
8980         instead of the global input_location.
8981
8982 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
8983
8984         PR c++/11856
8985         * c-common.c (shorten_compare): Check c_inhibit_evaluation_warnings.
8986
8987 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
8988
8989         * c-common.c (DEF_ATTR_STRING): Define and undefine as necessary.
8990
8991 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8992
8993         PR 53063
8994         * c.opt (Wc++0X-compat,Wdelete-non-virtual-dtor,Wjump-misses-init,
8995         Wreorder): Use LangEnabledBy.
8996         * c-opts.c (c_common_handle_option): Do not enable them
8997         explicitly. Call lang-specific generated functions.
8998         (c_common_post_options): Do not set them here.
8999
9000 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9001
9002         * c.opt (Wclobbered,Wempty-body,Wignored-qualifiers,
9003         Wmissing-field-initializers,Wmissing-parameter-type,
9004         Wold-style-declaration,Woverride-init): Use EnabledBy.
9005         * c-opts.c (c_common_post_options): Do not set here explicitly.
9006
9007 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9008
9009         PR 53063
9010         * c-opts.c (c_common_handle_option): Use handle_generated_option
9011         to enable sub-options.
9012
9013 2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
9014
9015         PR c++/53158
9016         * c-common.c (warnings_for_convert_and_check): Use warning_at.
9017
9018 2012-05-10  Richard Guenther  <rguenther@suse.de>
9019
9020         * c-common.c (c_sizeof_or_alignof_type): Remove assert and
9021         adjust commentary about TYPE_IS_SIZETYPE types.
9022
9023 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9024
9025         PR c++/53261
9026         * c-common.c (warn_logical_operator): Check that argument of
9027         integer_zerop is not NULL.
9028
9029 2012-05-05  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9030
9031         PR c/43772
9032         * c-common.c (warn_logical_operator): Do not warn if either side
9033         is already true or false.
9034
9035 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9036
9037         PR c/51712
9038         * c-common.c (expr_original_type): New.
9039         (shorten_compare): Do not warn for enumeration types.
9040
9041 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9042
9043         * c.opt (fpermissive): Add Var(flag_permissive).
9044
9045 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
9046
9047         PR c++/51033
9048         * c-common.c (convert_vector_to_pointer_for_subscript): New function.
9049         * c-common.h (convert_vector_to_pointer_for_subscript): Declare it.
9050
9051 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
9052
9053         Add -Wvarargs option
9054         * c.opt (Wvarargs): Define new option.
9055
9056 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9057
9058         * c-common.c (check_function_arguments): Replace
9059         Wmissing-format-attribute with Wsuggest-attribute=format.
9060
9061 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9062
9063         * c.opt (Wsuggest-attribute=format): New. Alias of
9064         Wmissing-format-attribute.
9065         * c-format.c (decode_format_type): Replace
9066         Wmissing-format-attribute with Wsuggest-attribute=format.
9067         (check_function_format): Likewise.
9068
9069 2012-04-27  Ollie Wild  <aaw@google.com>
9070
9071         * c-common.c: Add CPP_W_LITERAL_SUFFIX mapping.
9072         * c-opts.c (c_common_handle_option): Handle OPT_Wliteral_suffix.
9073         * c.opt: Add Wliteral-suffix.
9074
9075 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9076
9077         PR c/44774
9078         * c.opt (Wpedantic): New.
9079         (pedantic): Alias Wpedantic.
9080         * c-opts.c (c_common_handle_option): Replace -pedantic with -Wpedantic.
9081         (c_common_post_options): Likewise.
9082         (sanitize_cpp_opts): Likewise.
9083         * c-lex.c (interpret_float): Likewise.
9084         * c-format.c (check_format_types): Likewise.
9085         * c-common.c (pointer_int_sum): Likewise.
9086         (c_sizeof_or_alignof_type): Likewise.
9087         (c_add_case_label): Likewise.
9088         (c_do_switch_warnings): Likewise.
9089         * c-pragma.c (handle_pragma_float_const_decimal64): Likewise.
9090
9091 2012-04-15  Jason Merrill  <jason@redhat.com>
9092
9093         PR c++/52818
9094         * c-format.c (CPLUSPLUS_STD_VER): C++11 inherits from C99.
9095         (C_STD_NAME): Distinguish between C++98 and C++11.
9096
9097 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
9098
9099         PR target/52624
9100         * c-common.h (uint16_type_node): Rename into...
9101         (c_uint16_type_node): ...this.
9102         * c-common.c (c_common_nodes_and_builtins): Adjust for above renaming.
9103         * c-cppbuiltin.c (builtin_define_stdint_macros): Likewise.
9104
9105 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9106
9107         * c-common.c (warn_if_unused_value): Move definition to here.
9108         * c-common.h (warn_if_unused_value): Move declaration to here.
9109
9110 2012-03-23  William Bader  <williambader@hotmail.com>
9111
9112         * c-lex.c (c_lex_with_flags): Avoid declarations after stmts.
9113
9114 2012-03-20  Jason Merrill  <jason@redhat.com>
9115
9116         * c-common.h (enum cxx_dialect): Add cxx1y.
9117         * c-common.c (c_common_nodes_and_builtins): Use >= for cxx_dialect
9118         test.
9119         * c-cppbuiltin.c (c_cpp_builtins): Likewise.
9120         * c-opts.c (c_common_post_options): Likewise.
9121         (set_std_cxx1y): New.
9122         (c_common_handle_option): Call it.
9123         * c.opt (-std=c++1y, -std=gnu++1y): New flags.
9124
9125 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
9126
9127         PR c++/14710
9128         * c.opt ([Wuseless-cast]): Add.
9129
9130 2012-03-16  Richard Guenther  <rguenther@suse.de>
9131
9132         * c-pretty-print.c (pp_c_initializer_list): Adjust.
9133
9134 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9135
9136         PR c++/44783
9137         * c.opt (ftemplate-backtrace-limit) Add.
9138
9139 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9140
9141         * c-cppbuiltin.c (c_cpp_builtins): Remove #pragma extern_prefix
9142         handling.
9143         * c-pragma.c (handle_pragma_extern_prefix): Remove.
9144         (init_pragma): Don't register extern_prefix.
9145
9146 2012-03-12  Richard Guenther  <rguenther@suse.de>
9147
9148         * c-common.c (c_common_get_narrower): Use c_common_type_for_size.
9149         (builtin_type_for_size): Likewise.
9150
9151 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
9152
9153         PR c++/52215
9154         * c-common.c (sync_resolve_params): Don't decide whether to convert
9155         or not based on TYPE_SIZE comparison, convert whenever arg_type
9156         is unsigned INTEGER_TYPE.
9157
9158 2012-02-06  Paolo Carlini  <paolo.carlini@oracle.com>
9159
9160         PR c/52118
9161         * c.opt ([Wunused-local-typedefs]): Fix description.
9162
9163 2012-01-24  Mike Stump  <mikestump@comcast.net>
9164
9165         * c-common.c (c_common_type_for_mode): Match signed/unsigned types
9166         exactly.
9167
9168 2012-01-18  Richard Guenther  <rguenther@suse.de>
9169
9170         * c-opts.c (c_common_post_options): Reset LTO flags if
9171         we are about to generate a PCH.
9172
9173 2012-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
9174
9175         PR c++/51777
9176         * c-pretty-print.c (pp_c_integer_constant): For unsigned constants
9177         use pp_unsigned_wide_integer.
9178
9179 2012-01-10  Richard Guenther  <rguenther@suse.de>
9180
9181         PR middle-end/51806
9182         * c-opts.c (c_common_handle_option): Move -Werror handling
9183         to language independent code.
9184
9185 2012-01-05  Richard Guenther  <rguenther@suse.de>
9186
9187         PR middle-end/51764
9188         * c.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move here
9189         from common.opt.
9190
9191 2011-12-30  Paolo Carlini  <paolo.carlini@oracle.com>
9192
9193         PR c++/51316
9194         * c-common.c (c_sizeof_or_alignof_type): In C++ allow for alignof
9195         of array types with an unknown bound.
9196
9197 2011-12-20  Joseph Myers  <joseph@codesourcery.com>
9198
9199         * c-common.c (flag_isoc99): Update comment to refer to C11.
9200         (flag_isoc1x): Change to flag_isoc11.
9201         * c-common.h (flag_isoc99): Update comment to refer to C11.
9202         (flag_isoc1x): Change to flag_isoc11.
9203         * c-cppbuiltin.c (cpp_atomic_builtins): Change comment to refer to
9204         C11.
9205         * c-opts.c (set_std_c1x): Change to set_std_c11.
9206         (c_common_handle_option): Handle OPT_std_c11 and OPT_std_gnu11.
9207         Call set_std_c11.
9208         (set_std_c89, set_std_c99, set_std_c11): Use flag_isoc11.
9209         (set_std_c1): Use CLK_STDC11 and CLK_GNUC11.
9210         * c.opt (std=c1x): Change to std=c11.  Document as non-draft
9211         standard.
9212         (std=c1x, std=iso9899:2011): Add as aliases of std=c11.
9213         (std=gnu1x): Change to std=gnu11.  Refer to non-draft standard.
9214         (std=gnu1x): Make alias of std=gnu11.
9215
9216 2011-12-19  Jason Merrill  <jason@redhat.com>
9217
9218         PR c++/51228
9219         * c-common.c (handle_transparent_union_attribute): Check the first
9220         field if the type is complete.
9221
9222 2011-12-15  Jonathan Wakely  <jwakely.gcc@gmail.com>
9223
9224         PR libstdc++/51365
9225         * c-common.c (RID_IS_FINAL): Add.
9226         * c-common.h (RID_IS_FINAL): Add.
9227
9228 2011-11-30  Iain Sandoe  <iains@gcc.gnu.org>
9229
9230         * c.opt (fgnu-runtime): Provide full description.
9231         (fnext-runtime): Likewise.
9232         * c-opts.c (OPT_fgnu_runtime, OPT_fnext_runtime) Remove.
9233
9234 2011-11-28  Andrew MacLeod  <amacleod@redhat.com>
9235
9236         * c-cpp-builtin.c (cpp_atomic_builtins):New.  Emit all atomic
9237         predefines in one place.  Add LOCK_FREE predefines.
9238         (c_cpp_builtins): Move Legacy HAVE_SYNC predefines to
9239         new func.
9240
9241 2011-11-24  Andrew MacLeod  <amacleod@redhat.com>
9242
9243         PR c/51256
9244         * c-common.c (get_atomic_generic_size): Check for various error
9245         conditions
9246         (resolve_overloaded_atomic_exchange,
9247         resolve_overloaded_atomic_compare_exchange,
9248         resolve_overloaded_atomic_load, resolve_overloaded_atomic_store): Return
9249         error_mark_node for error conditions.
9250
9251 2011-11-08  Richard Guenther  <rguenther@suse.de>
9252
9253         PR middle-end/51010
9254         * c-pretty-print.c (pp_c_expression): Handle SSA_NAMEs.
9255
9256 2011-11-07  Richard Henderson  <rth@redhat.com>
9257             Aldy Hernandez  <aldyh@redhat.com>
9258             Torvald Riegel  <triegel@redhat.com>
9259
9260         Merged from transactional-memory.
9261
9262         * c-common.c (handle_tm_wrap_attribute,
9263         handle_tm_attribute, ignore_attribute, parse_tm_stmt_attr): New.
9264         (struct c_common_reswords): Added __transaction* keywords.
9265         (struct c_common_attribute_table): Added transaction* and tm_regparm
9266         attributes.
9267         * c-common.h: Added RID_TRANSACTION*. Added TM_ATTR* and TM_STMT*
9268         masks.
9269         (parse_tm_stmt_attr, tm_attr_to_mask, tm_mask_to_attr,
9270         find_tm_attribute): Declare.
9271
9272 2011-11-07  Jason Merrill  <jason@redhat.com>
9273
9274         PR c++/35688
9275         * c-common.c, c-common.h: Revert yesterday's changes.
9276
9277 2011-11-06  Jason Merrill  <jason@redhat.com>
9278
9279         PR c++/35688
9280         * c-common.c (decl_has_visibility_attr): Split out from...
9281         (c_determine_visibility): ...here.
9282         * c-common.h: Declare it.
9283
9284 2011-11-06  Joseph Myers  <joseph@codesourcery.com>
9285
9286         * c-common.c (c_common_reswords): Add _Alignas and _Alignof.
9287         (c_sizeof_or_alignof_type): Diagnose alignof applied to a function
9288         type.
9289         (check_user_alignment): New.  Split out of
9290         handle_aligned_attribute.  Disallow integer constants with
9291         noninteger types.  Conditionally allow zero.
9292         (handle_aligned_attribute): Use check_user_alignment.
9293         * c-common.h (RID_ALIGNAS, check_user_alignment): New.
9294
9295 2011-11-06  Andrew MacLeod  <amacleod@redhat.com>
9296             Richard Henderson  <rth@redhat.com>
9297
9298         Merged from cxx-mem-model.
9299
9300         * c-cppbuiltin.c (c_cpp_builtins): Test both atomic and sync patterns.
9301         * c-common.c (sync_resolve_params, sync_resolve_return): Only tweak
9302         parameters that are the same type size.
9303         (get_atomic_generic_size): New.  Find size of generic
9304         atomic function parameters and do typechecking.
9305         (add_atomic_size_parameter): New.  Insert size into parameter list.
9306         (resolve_overloaded_atomic_exchange): Restructure __atomic_exchange to
9307         either __atomic_exchange_n or external library call.
9308         (resolve_overloaded_atomic_compare_exchange): Restructure
9309         __atomic_compare_exchange to either _n variant or external library call.
9310         (resolve_overloaded_atomic_load): Restructure __atomic_load to either
9311         __atomic_load_n or an external library call.
9312         (resolve_overloaded_atomic_store): Restructure __atomic_store to either
9313         __atomic_store_n or an external library call.
9314         (resolve_overloaded_builtin): Handle new __atomic builtins.
9315
9316 2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>
9317
9318         PR c++/50608
9319         * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Call fold_offsetof_1.
9320         (fold_offsetof_1): Make global.  Remove STOP_REF argument and adjust.
9321         <INDIRECT_REF>: Return the argument.
9322         <ARRAY_REF>: Remove special code for negative offset.
9323         Call fold_build_pointer_plus instead of size_binop.
9324         (fold_offsetof): Remove STOP_REF argument and adjust.
9325         * c-common.h (fold_offsetof_1): Declare.
9326         (fold_offsetof): Remove STOP_REF argument.
9327
9328 2011-11-02  Paolo Carlini  <paolo.carlini@oracle.com>
9329
9330         PR c++/50810
9331         * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
9332         of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
9333         Wnarrowing for C++0x and C++98.
9334         * c.opt ([Wnarrowing]): Update.
9335
9336 2011-11-01  Paolo Carlini  <paolo.carlini@oracle.com>
9337
9338         PR c++/44277
9339         * c.opt: Add Wzero-as-null-pointer-constant.
9340
9341 2011-10-31  Jason Merrill  <jason@redhat.com>
9342
9343         * c.opt (-fdeduce-init-list): Off by default.
9344
9345         PR c++/50920
9346         * c-common.h (cxx_dialect): Add cxx11 and cxx03.
9347         * c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03,
9348         and -Wc++11-compat.
9349         * c-opts.c (set_std_cxx11): Rename from set_std_cxx0x.
9350
9351 2011-10-27  Roberto Agostino Vitillo  <ravitillo@lbl.gov>
9352
9353         PR c++/30066
9354         * c.opt (fvisibility-inlines-hidden): Description change.
9355
9356 2011-10-26  Ed Smith-Rowland  <3dw4rd@verizon.net>
9357
9358         Implement C++11 user-defined literals.
9359         * c-common.c (build_userdef_literal): New.
9360         * c-common.def: New tree code.
9361         * c-common.h (tree_userdef_literal): New tree struct and accessors.
9362         * c-lex.c (interpret_float): Add suffix parm.
9363         (c_lex_with_flags): Build literal tokens.
9364
9365 2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>
9366
9367         PR c++/50841
9368         Revert:
9369         2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>
9370
9371         PR c++/50810
9372         * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
9373         of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
9374         Wnarrowing for C++0x and C++98.
9375         * c.opt ([Wnarrowing]): Update.
9376
9377 2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>
9378
9379         PR c++/50810
9380         * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
9381         of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
9382         Wnarrowing for C++0x and C++98.
9383         * c.opt ([Wnarrowing]): Update.
9384
9385 2011-10-21  Paolo Carlini  <paolo.carlini@oracle.com>
9386
9387         PR c++/45385
9388         * c-common.c (conversion_warning): Remove code looking for
9389         artificial operands.
9390
9391 2011-10-18  Dodji Seketeli  <dodji@redhat.com>
9392
9393         PR bootstrap/50760
9394         * c-lex.c (fe_file_change): Use LINEMAP_SYSP when
9395         !NO_IMPLICIT_EXTERN_C.
9396
9397 2011-10-17  Michael Spertus  <mike_spertus@symantec.com>
9398
9399         * c-common.c (c_common_reswords): Add __bases,
9400         __direct_bases.
9401         * c-common.h: Add RID_BASES and RID_DIRECT_BASES.
9402
9403 2011-10-17  Paolo Carlini  <paolo.carlini@oracle.com>
9404
9405         PR c++/50757
9406         * c.opt ([Wnonnull]): Add C++ and Objective-C++.
9407
9408 2011-10-15  Tom Tromey  <tromey@redhat.com>
9409             Dodji Seketeli  <dodji@redhat.com>
9410
9411         * c.opt (fdebug-cpp): New option.
9412         * c-opts.c (c_common_handle_option): Handle the option.
9413         * c-ppoutput.c (maybe_print_line_1): New static function. Takes an
9414         output stream in parameter. Factorized from ...
9415         (maybe_print_line): ... this. Dump location debug information when
9416         -fdebug-cpp is in effect.
9417         (print_line_1): New static function. Takes an output stream in
9418         parameter. Factorized from ...
9419         (print_line): ... here. Dump location information when -fdebug-cpp
9420         is in effect.
9421         (scan_translation_unit): Dump location information when
9422         -fdebug-cpp is in effect.
9423
9424 2011-10-15  Tom Tromey  <tromey@redhat.com>
9425             Dodji Seketeli  <dodji@redhat.com>
9426
9427         * c.opt (ftrack-macro-expansion): New option. Handle it with and
9428         without argument.
9429         * c-opts.c (c_common_handle_option)<case
9430         OPT_ftrack_macro_expansion_, case OPT_ftrack_macro_expansion>: New
9431         cases. Handle -ftrack-macro-expansion with and without argument.
9432
9433 2011-10-15  Tom Tromey  <tromey@redhat.com>
9434             Dodji Seketeli  <dodji@redhat.com>
9435
9436         * c-ppoutput.c (scan_translation_unit, maybe_print_line)
9437         (print_line, cb_define, do_line_change): Adjust to avoid touching
9438         the internals of struct line_map.  Use the public API instead.
9439         * c-pch.c (c_common_read_pch): Likewise.
9440         * c-lex.c (fe_file_change): Likewise.
9441
9442 2011-10-14  Paolo Carlini  <paolo.carlini@oracle.com>
9443
9444         PR c++/17212
9445         * c.opt ([Wformat-zero-length]): Add C++ and Objective-C++.
9446
9447 2011-10-11  Paolo Carlini  <paolo.carlini@oracle.com>
9448
9449         PR c++/33067
9450         * c-pretty-print.c (pp_c_floating_constant): Output
9451         max_digits10 (in the ISO C++ WG N1822 sense) decimal digits.
9452
9453 2011-10-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
9454
9455         * c-common.c (def_builtin_1): Delete old interface with two
9456         parallel arrays to hold standard builtin declarations, and replace
9457         it with a function based interface that can support creating
9458         builtins on the fly in the future.  Change all uses, and poison
9459         the old names.  Make sure 0 is not a legitimate builtin index.
9460         * c-omp.c (c_finish_omp_barrier): Ditto.
9461         (c_finish_omp_taskwait): Ditto.
9462         (c_finish_omp_flush): Ditto.
9463
9464 2011-10-11  Tristan Gingold  <gingold@adacore.com>
9465
9466         * c.opt: (fallow-parameterless-variadic-functions): New.
9467
9468 2011-09-08  Dodji Seketeli  <dodji@redhat.com>
9469
9470         PR c++/33255 - Support -Wunused-local-typedefs warning
9471         * c-common.h (struct c_language_function::local_typedefs): New
9472         field.
9473         (record_locally_defined_typedef, maybe_record_typedef_use)
9474         (maybe_warn_unused_local_typedefs): Declare new functions.
9475         * c-common.c (record_locally_defined_typedef)
9476         (maybe_record_typedef_use)
9477         (maybe_warn_unused_local_typedefs): Define new functions.
9478         * c.opt: Declare new -Wunused-local-typedefs flag.
9479
9480 2011-09-06  Eric Botcazou  <ebotcazou@adacore.com>
9481
9482         PR middle-end/50266
9483         * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Fold offsetof-like
9484         computations.
9485
9486 2011-09-05  Richard Guenther  <rguenther@suse.de>
9487
9488         * c-common.c (complete_array_type): Use ssize_int (-1) instead
9489         of integer_minus_one_node for empty array upper bounds.
9490
9491 2011-08-28  Dodji Seketeli  <dodji@redhat.com>
9492
9493         * c-pch.c (c_common_read_pch): Call linemap_add with LC_ENTER as
9494         it's the first time it's being called on this main TU.
9495
9496 2011-08-24  Richard Guenther  <rguenther@suse.de>
9497
9498         PR c/49396
9499         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Fix conditional.
9500
9501 2011-08-22  Gabriel Charette  <gchare@google.com>
9502
9503         * c-opts.c (c_finish_options): Force BUILTINS_LOCATION for tokens
9504         defined in cpp_init_builtins and c_cpp_builtins.
9505
9506 2011-08-19  Joseph Myers  <joseph@codesourcery.com>
9507
9508         * c-common.c (c_common_reswords): Add __builtin_complex.
9509         * c-common.h (RID_BUILTIN_COMPLEX): New.
9510
9511 2011-08-18  Joseph Myers  <joseph@codesourcery.com>
9512
9513         * c-common.c (c_common_reswords): Add _Noreturn.
9514         (keyword_is_function_specifier): Handle RID_NORETURN.
9515         * c-common.h (RID_NORETURN): New.
9516
9517 2011-08-10  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
9518
9519         * c-common.c (unsafe_conversion_p): New function. Check if it is
9520         unsafe to convert an expression to the type.
9521         (conversion_warning): Adjust, use unsafe_conversion_p.
9522         * c-common.h (unsafe_conversion_p): New function declaration.
9523
9524 2011-08-02  Jakub Jelinek  <jakub@redhat.com>
9525
9526         * c-common.h (c_finish_omp_atomic): Adjust prototype.
9527         (c_finish_omp_taskyield): New prototype.
9528         * c-omp.c (c_finish_omp_atomic): Add OPCODE, V, LHS1 and RHS1
9529         arguments. Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and
9530         OMP_ATOMIC_CAPTURE_NEW in addition to OMP_ATOMIC.  If LHS1
9531         or RHS1 have side-effects, evaluate those too in the right spot,
9532         if it is a decl and LHS is also a decl, error out if they
9533         aren't the same.
9534         (c_finish_omp_taskyield): New function.
9535         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP to 201107.
9536         * c-pragma.c (omp_pragmas): Add taskyield.
9537         * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKYIELD.
9538         (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FINAL and
9539         PRAGMA_OMP_CLAUSE_MERGEABLE.
9540
9541 2011-07-25  Dodji Seketeli  <dodji@redhat.com>
9542
9543         * c-common.h (set_underlying_type): Remove parm name from
9544         declaration.
9545
9546 2011-07-25  Romain Geissler  <romain.geissler@gmail.com>
9547
9548         * c-pretty-print.h: Search c-common.h in c-family.
9549
9550 2011-07-22  Jason Merrill  <jason@redhat.com>
9551
9552         PR c++/49793
9553         * c.opt (Wnarrowing): New.
9554
9555         PR c++/30112
9556         * c-common.h: Declare c_linkage_bindings.
9557         * c-pragma.c (handle_pragma_redefine_extname): Use it.
9558
9559         PR c++/49813
9560         * c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99.
9561         * c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well
9562         as flag_isoc99 for 'restrict'.
9563         (pp_c_specifier_qualifier_list): Likewise for _Complex.
9564
9565 2011-07-21  Ian Lance Taylor  <iant@google.com>
9566
9567         PR middle-end/49705
9568         * c-common.c (c_disable_warnings): New static function.
9569         (c_enable_warnings): New static function.
9570         (c_fully_fold_internal): Change local unused_p to bool.  Call
9571         c_disable_warnings and c_enable_warnings rather than change
9572         c_inhibit_evaluation_warnings.
9573
9574 2011-07-20  Jason Merrill  <jason@redhat.com>
9575
9576         PR c++/6709 (DR 743)
9577         PR c++/42603 (DR 950)
9578         * c-common.h (CPP_KEYWORD, CPP_TEMPLATE_ID): Move from cp/parser.h.
9579         (CPP_NESTED_NAME_SPECIFIER, N_CP_TTYPES): Likewise.
9580         (CPP_DECLTYPE): New.
9581         * c-common.c (c_parse_error): Handle CPP_DECLTYPE.
9582
9583 2011-07-19  Richard Guenther  <rguenther@suse.de>
9584
9585         * c-common.c (pointer_int_sum): Use fold_build_pointer_plus.
9586         * c-omp.c (c_finish_omp_for): Likewise.
9587
9588 2011-07-12  Eric Botcazou  <ebotcazou@adacore.com>
9589
9590         * c-ada-spec.c (dump_nested_types): Put semi-colon after empty loop
9591         body on the next line.
9592
9593 2011-07-08  Jason Merrill  <jason@redhat.com>
9594
9595         PR c++/45437
9596         * c-omp.c (check_omp_for_incr_expr): Handle preevaluation.
9597
9598         PR c++/49673
9599         * c-common.c (c_apply_type_quals_to_decl): Don't check
9600         TYPE_NEEDS_CONSTRUCTING.
9601
9602 2011-07-06  Richard Guenther  <rguenther@suse.de>
9603
9604         * c-common.c (c_common_nodes_and_builtins):
9605         Merge calls to build_common_tree_nodes and build_common_tree_nodes_2.
9606
9607 2011-07-05  Richard Guenther  <rguenther@suse.de>
9608
9609         * c-common.c (c_common_nodes_and_builtins): Build all common
9610         tree nodes first.
9611
9612 2011-06-27  Jakub Jelinek  <jakub@redhat.com>
9613
9614         * c-common.h (c_tree_chain_next): New static inline function.
9615
9616         * c-common.c (check_builtin_function_arguments): Handle
9617         BUILT_IN_ASSUME_ALIGNED.
9618
9619 2011-06-21  Andrew MacLeod  <amacleod@redhat.com>
9620
9621         * c-common.c: Add sync_ or SYNC__ to builtin names.
9622         * c-omp.c: Add sync_ or SYNC__ to builtin names.
9623
9624 2011-06-20  Pierre Vittet  <piervit@pvittet.com>
9625
9626         * c-pragma.h (pragma_handler_1arg, pragma_handler_2arg): New
9627         handler.
9628         (gen_pragma_handler): New union.
9629         (internal_pragma_handler): New type.
9630         (c_register_pragma_with_data)
9631         (c_register_pragma_with_expansion_and_data): New functions.
9632
9633         * c-pragma.c (registered_pragmas, c_register_pragma_1)
9634         (c_register_pragma, c_register_pragma_with_expansion)
9635         (c_invoke_pragma_handler): Changed to work with
9636         internal_pragma_handler.
9637         (c_register_pragma_with_data)
9638         (c_register_pragma_with_expansion_and_data): New functions.
9639
9640 2011-06-14  Joseph Myers  <joseph@codesourcery.com>
9641
9642         * c-common.c: Include common/common-target.h.
9643         (handle_section_attribute): Use
9644         targetm_common.have_named_sections.
9645         * c-cppbuiltin.c: Include common/common-target.h.
9646         (c_cpp_builtins): Use targetm_common.except_unwind_info.
9647
9648 2011-06-10  Richard Guenther  <rguenther@suse.de>
9649
9650         * c-pretty-print.c (pp_c_type_specifier): Use pp_c_identifier
9651         to print a IDENTIFIER_NODE.
9652
9653 2011-06-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9654             Joseph Myers  <joseph@codesourcery.com>
9655
9656         * c.opt (fbuilding-libgcc): New option.
9657         * c-cppbuiltin.c (c_cpp_builtins): Define
9658         __LIBGCC_TRAMPOLINE_SIZE__ if flag_building_libgcc.
9659
9660 2011-06-07  Jason Merrill  <jason@redhat.com>
9661
9662         * c-common.c (max_tinst_depth): Lower default to 900.
9663
9664         * c-format.c (gcc_cxxdiag_char_table): Add 'S' format.
9665
9666 2011-06-07  Richard Guenther  <rguenther@suse.de>
9667
9668         * c-common.c (c_common_nodes_and_builtins): Do not set
9669         size_type_node or call set_sizetype.
9670
9671 2011-06-07  Dodji Seketeli  <dodji@redhat.com>
9672
9673         PR debug/49130
9674         * c-pretty-print.c (pp_c_integer_constant): Consider the canonical
9675         type when using pointer comparison to compare types.
9676
9677 2011-06-02  Jonathan Wakely  <jwakely.gcc@gmail.com>
9678
9679         * c.opt: Add -Wdelete-non-virtual-dtor.
9680         * c-opts.c (c_common_handle_option): Include it in -Wall.
9681
9682 2011-05-30  Nathan Froyd  <froydnj@gcc.gnu.org>
9683
9684         PR bootstrap/49190
9685
9686         Revert:
9687         2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>
9688
9689         * c-common.h (struct c_common_identifier): Inherit from tree_typed,
9690         not tree_common.
9691
9692 2011-05-27  Jakub Jelinek  <jakub@redhat.com>
9693
9694         PR c++/49165
9695         * c-common.c (c_common_truthvalue_conversion) <case COND_EXPR>: For
9696         C++ don't call c_common_truthvalue_conversion on void type arms.
9697
9698 2011-05-27  Nathan Froyd  <froydnj@codesourcery.com>
9699
9700         * c-common.h (struct stmt_tree_s) [x_cur_stmt_list]: Change to a VEC.
9701         (stmt_list_stack): Define.
9702         (cur_stmt_list): Adjust for new type of x_cur_stmt_list.
9703         * c-semantics.c (push_stmt_list, pop_stmt_list): Likewise.
9704
9705 2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>
9706
9707         * c-common.c (warning_candidate_p): Check for BLOCKs.
9708
9709 2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>
9710
9711         * c-common.h (struct c_common_identifier): Inherit from tree_typed,
9712         not tree_common.
9713
9714 2011-05-25  Jakub Jelinek  <jakub@redhat.com>
9715
9716         * c-common.c (def_fn_type): Remove extra va_end.
9717
9718 2011-05-23  Jason Merrill  <jason@redhat.com>
9719
9720         PR c++/48106
9721         * c-common.c (c_common_get_narrower): New.
9722         (shorten_binary_op, shorten_compare, warn_for_sign_compare): Use it.
9723
9724 2011-05-23  Nathan Froyd  <froydnj@codesourcery.com>
9725
9726         * c-common.h (check_function_arguments): Tweak prototype of
9727         check_function_arguments.
9728         * c-common.c (check_function_arguments): Likewise.  Adjust
9729         calls to check_function_nonnull, check_function_format, and
9730         check_function_sentinel.
9731         (check_function_sentinel): Take a FUNCTION_TYPE rather than
9732         separate attributes and typelist arguments.  Use
9733         FOREACH_FUNCTION_ARGS to iterate over argument types.
9734
9735 2011-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
9736
9737         * c-common.c (c_common_reswords): Reorder.
9738         * c-common.h (rid): Likewise.
9739
9740 2011-05-10  Nathan Froyd  <froydnj@codesourcery.com>
9741
9742         * c-common.c (def_fn_type): Don't call build_function_type, call
9743         build_function_type_array or build_varargs_function_type_array
9744         instead.
9745         (c_common_nodes_and_builtins): Likewise.
9746
9747 2011-05-05  Nathan Froyd  <froydnj@codesourcery.com>
9748
9749         * c-common.c (c_add_case_label): Omit the loc argument to
9750         build_case_label.
9751         * c-common.h (build_case_label): Remove.
9752         * c-semantics.c (build_case_label): Remove.
9753
9754 2011-05-05  Joseph Myers  <joseph@codesourcery.com>
9755
9756         * c-objc.h (objc_start_method_definition): Update prototype.
9757         * stub-objc.c (objc_start_method_definition): Add extra parameter.
9758
9759 2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>
9760
9761         * c-common.c (check_main_parameter_types): Reindent.  Don't use
9762         TYPE_ARG_TYPES directly.
9763         (handle_nonnull_attribute): Likewise.
9764         (sync_resolve_params): Likewise.
9765         * c-format.c (handle_format_arg_attribute): Likewise.  Adjust call
9766         to check_format_string.
9767         (handle_format_attribute): Likewise.
9768         (check_format_string): Take a function type to examine instead of
9769         a type list.  Use a function_arg_iterator to step through argument
9770         types.
9771
9772 2011-05-04  Richard Guenther  <rguenther@suse.de>
9773
9774         * c-common.c (fix_string_type): Use size_int for index type bounds.
9775         (start_fname_decls): Do not pass NULL to build_int_cst.
9776         (c_init_attributes): Likewise.
9777         * c-lex.c (c_lex_with_flags): Likewise.
9778
9779 2011-04-27  Jason Merrill  <jason@redhat.com>
9780
9781         * c-common.c (make_tree_vector_from_list): New.
9782         * c-common.h: Declare it.
9783
9784 2011-04-26  Richard Guenther  <rguenther@suse.de>
9785
9786         PR preprocessor/48248
9787         * c-ppoutput.c (maybe_print_line): Always optimize newlines
9788         for output size with -P.
9789
9790 2011-04-25  Paolo Carlini  <paolo.carlini@oracle.com>
9791
9792         * c-common.c (struct c_common_resword): Add __underlying_type.
9793         * c-common.h (enum rid): Add RID_UNDERLYING_TYPE.
9794
9795 2011-04-20  Jim Meyering  <meyering@redhat.com>
9796
9797         * c-format.c (init_dollar_format_checking): Remove useless
9798         if-before-free.
9799
9800 2011-04-15  Nicola Pero  <nicola.pero@meta-innovation.com>
9801
9802         * c-objc.h (objc_get_interface_ivars): Removed.
9803         (objc_detect_field_duplicates): New.
9804         * stub-objc.c: Likewise.
9805
9806 2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>
9807
9808         * stub-objc.c (objc_declare_protocols): Renamed to
9809         objc_declare_protocol.
9810         * c-objc.h: Likewise.
9811
9812 2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>
9813
9814         * stub-objc.c (objc_declare_class): Updated argument name.
9815
9816 2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>
9817
9818         * c-common.h (c_common_init_ts): Declare.
9819         * c-common.c (c_common_init_ts): Define.
9820
9821 2011-04-12  Nicola Pero  <nicola.pero@meta-innovation.com>
9822
9823         * c-objc.h (objc_build_message_expr): Updated prototype.
9824         * stub-objc.c (objc_build_message_expr): Likewise.
9825
9826 2011-04-12  Martin Jambor  <mjambor@suse.cz>
9827
9828         * c-gimplify.c (c_genericize): Call cgraph_get_create_node instead
9829         of cgraph_node.
9830
9831 2011-04-11  Richard Guenther  <rguenther@suse.de>
9832
9833         * c-common.c (complete_array_type): Build a range type of
9834         proper type.
9835
9836 2011-04-08  Nathan Froyd  <froydnj@codesourcery.com>
9837
9838         * c-common.c (handle_sentinel_attribute): Don't use TYPE_ARG_TYPES.
9839         (handle_type_generic_attribute): Likewise.
9840
9841 2011-04-07  Jason Merrill  <jason@redhat.com>
9842
9843         PR c++/48450
9844         * c-common.c (c_common_truthvalue_conversion): Don't ignore
9845         conversion from C++0x scoped enum.
9846
9847 2011-04-06  Joseph Myers  <joseph@codesourcery.com>
9848
9849         * c-target-def.h: New file.
9850         * c-target.def: New file.
9851         * c-target.h: New file.
9852         * c-common.c (targetcm): Don't define here.
9853         * c-common.h (default_handle_c_option): Declare.
9854         * c-format.c: Include c-target.h instead of target.h.
9855         * c-opts.c: Include c-target.h instead of target.h.  Explicitly
9856         include tm.h.
9857         (default_handle_c_option): Move from targhooks.c.
9858
9859 2011-03-29  Jakub Jelinek  <jakub@redhat.com>
9860
9861         PR preprocessor/48248
9862         * c-ppoutput.c (print): Add src_file field.
9863         (init_pp_output): Initialize it.
9864         (maybe_print_line): Don't optimize by adding up to 8 newlines
9865         if map->to_file and print.src_file are different file.
9866         (print_line): Update print.src_file.
9867
9868 2011-03-25  Kai Tietz  <ktietz@redhat.com>
9869
9870         * c-ada-spec.c (compare_comment): Use filename_cmp
9871         instead of strcmp for filename.
9872
9873 2011-03-25  Jeff Law  <law@redhat.com>
9874
9875         * c-common.c (def_fn_type): Add missing va_end.
9876
9877 2011-03-25  Jason Merrill  <jason@redhat.com>
9878
9879         * c.opt: Add -std=c++03.
9880
9881 2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>
9882
9883         * c-ada-spec.c (dump_ada_template): Skip non-class instances.
9884
9885 2011-03-17  Kai Tietz  <ktietz@redhat.com>
9886
9887         PR target/12171
9888         * c-pretty-print.c (pp_c_specifier_qualifier_list):
9889         Display allowed attributes for function pointer types.
9890         (pp_c_attributes_display): New function to display
9891         attributes having affects_type_identity flag set to true.
9892         * c-pretty-print.h (pp_c_attributes_display): New prototype.
9893
9894         * c-common.c (c_common_attribute_table):
9895         Add new element.
9896         (c_common_format_attribute_table): Likewise.
9897
9898 2011-03-18  Jason Merrill  <jason@redhat.com>
9899
9900         * c.opt (fconstexpr-depth): Add Var(max_constexpr_depth).
9901         * c-common.h: Don't declare it here.
9902         * c-common.c: Or define it here.
9903         * c-opts.c (c_common_handle_option): Or set it here.
9904
9905         PR c++/35315
9906         * c-common.c (handle_transparent_union_attribute): Don't
9907         make a duplicate type in C++.
9908
9909 2011-03-15  Jason Merrill  <jason@redhat.com>
9910
9911         * c-common.c (max_constexpr_depth): New.
9912         * c-common.h: Declare it.
9913         * c-opts.c (c_common_handle_option): Set it.
9914         * c.opt (fconstexpr-depth): New option.
9915
9916 2011-03-11  Jason Merrill  <jason@redhat.com>
9917
9918         * c-common.c (attribute_takes_identifier_p): Add missing const.
9919
9920         PR c++/46803
9921         * c-common.c (attribute_takes_identifier_p): Assume that an
9922         unknown attribute takes an identifier.
9923
9924 2011-03-07  Nathan Froyd  <froydnj@codesourcery.com>
9925
9926         PR c/47786
9927         * c-common.c (c_type_hash): Call list_length instead of iterating
9928         through DECL_CHAIN.  Rename 'i' to 'n_elements'.
9929
9930 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
9931
9932         PR c/47809
9933         * c-common.c (c_fully_fold_internal): Handle VIEW_CONVERT_EXPR.
9934
9935 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
9936
9937         * c.opt (fobjc-abi-version=) New.
9938         (fobjc-nilcheck): New.
9939
9940 2011-02-03  Nathan Froyd  <froydnj@codesourcery.com>
9941
9942         PR c++/46890
9943         * c-common.h (keyword_is_decl_specifier): Declare.
9944         * c-common.c (keyword_is_decl_specifier): Define.
9945         (keyword_is_function_specifier): New function.
9946
9947 2011-01-26  Jakub Jelinek  <jakub@redhat.com>
9948
9949         PR c/47473
9950         * c-lex.c (interpret_float): If CPP_N_IMAGINARY, ensure
9951         EXCESS_PRECISION_EXPR is created with COMPLEX_TYPE instead of
9952         REAL_TYPE.
9953
9954 2011-01-26  Arnaud Charlet  <charlet@adacore.com>
9955
9956         * c-ada-spec.c (dump_generic_ada_node): Avoid dereferencing null type.
9957
9958 2011-01-26  Jakub Jelinek  <jakub@redhat.com>
9959
9960         PR pch/47430
9961         * c-opts.c (c_common_post_options): Call c_common_no_more_pch
9962         after init_c_lex if pch_file is set.
9963
9964 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
9965
9966         PR c++/43601
9967         * c.opt (-fkeep-inline-dllexport): New switch.
9968
9969 2011-01-12  Richard Guenther  <rguenther@suse.de>
9970
9971         PR middle-end/32511
9972         * c-common.c (handle_weak_attribute): Warn instead of error
9973         on declaring an inline function weak.
9974
9975 2011-01-05  Tom Tromey  <tromey@redhat.com>
9976
9977         * c-common.h (lvalue_error): Update.
9978         * c-common.c (lvalue_error): Add 'loc' argument.  Call error_at,
9979         not error.
9980
9981 2010-12-29  Nicola Pero  <nicola.pero@meta-innovation.com>
9982
9983         PR objc/47075
9984         * c-objc.h (objc_finish_message_expr): Added argument to
9985         prototype.
9986
9987 2010-12-22  Nathan Froyd  <froydnj@codesourcery.com>
9988
9989         * c-common.c (handle_nonnull_attribute, handle_sentinel_attribute):
9990         Use prototype_p.
9991
9992 2010-12-18  Nicola Pero  <nicola.pero@meta-innovation.com>
9993
9994         * c-objc.h (objc_maybe_warn_exceptions): New.
9995         * stub-objc.c (objc_maybe_warn_exceptions): New.
9996
9997 2010-12-10  Nathan Froyd  <froydnj@codesourcery.com>
9998
9999         * c-common.h (readonly_error): Declare.
10000         * c-common.c (readonly_error): Define.
10001
10002 2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>
10003
10004         * c-common.h (invalid_indirection_error): Declare.
10005         * c-common.c (invalid_indirection_error): Define.
10006
10007 2010-12-03  Richard Guenther  <rguenther@suse.de>
10008
10009         PR c/46745
10010         * c-pretty-print.c (pp_c_postfix_expression): Handle MEM_REF.
10011         (pp_c_unary_expression): Likewise.
10012         (pp_c_expression): Likewise.
10013
10014 2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>
10015
10016         * c-common.h (objc_finish_function): New.
10017         (objc_non_volatilized_type): Removed.
10018         (objc_type_quals_match): Removed.
10019         * stub-objc.c (objc_finish_function): New.
10020         (objc_non_volatilized_type): Removed.
10021         (objc_type_quals_match): Removed.
10022
10023 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
10024
10025         * c-common.h (parse_optimize_options): Declare.
10026         * c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c,
10027         c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h.
10028
10029 2010-11-29  Joseph Myers  <joseph@codesourcery.com>
10030
10031         * c-opts.c (check_deps_environment_vars): Use getenv instead of
10032         GET_ENVIRONMENT.
10033         * c-pch.c (O_BINARY): Don't define here.
10034         * c-pragma.h: Include "cpplib.h" instead of <cpplib.h>.
10035
10036 2010-11-25  Joseph Myers  <joseph@codesourcery.com>
10037
10038         * c-cppbuiltin.c (c_cpp_builtins): Pass &global_options to
10039         targetm.except_unwind_info.
10040
10041 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
10042
10043         * c-opts.c (c_common_handle_option): Pass location to
10044         set_struct_debug_option.
10045
10046 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
10047
10048         * c-common.c (visibility_options): Move from ../opts.c.
10049         * c-common.h (struct visibility_flags, visibility_options):
10050         Declare here.
10051         * c-opts.c (finish_options): Rename to c_finish_options.
10052         (c_common_init): Update call to finish_options.
10053
10054 2010-11-22  Nicola Pero  <nicola.pero@meta-innovation.com>
10055
10056         PR objc/34033
10057         * c-lex.c (lex_string): Check that each string in an Objective-C
10058         string concat sequence starts with either one or zero '@', and
10059         that there are no spurious '@' signs at the end.
10060
10061 2010-11-20  Joseph Myers  <joseph@codesourcery.com>
10062
10063         * c-pragma.c: Remove conditionals on HANDLE_PRAGMA_PACK,
10064         HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_PRAGMA_WEAK and
10065         HANDLE_PRAGMA_VISIBILITY.
10066         * c-pragma.h (HANDLE_PRAGMA_WEAK, HANDLE_PRAGMA_PACK,
10067         HANDLE_PRAGMA_VISIBILITY): Don't define.
10068         (HANDLE_SYSV_PRAGMA, HANDLE_PRAGMA_PACK_PUSH_POP): Don't test.
10069
10070 2010-11-20  Nathan Froyd  <froydnj@codesourcery.com>
10071
10072         PR c++/16189
10073         PR c++/36888
10074         PR c++/45331
10075         * c-common.h (keyword_begins_type_specifier): Declare.
10076         (keyword_is_storage_class_specifier): Declare.
10077         (keyword_is_type_qualifier): Declare.
10078         * c-common.c (keyword_begins_type_specifier): New function.
10079         (keyword_is_storage_class_specifier): New function.
10080         (keyword_is_type_qualifier): Declare.
10081
10082 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
10083
10084         PR c/46547
10085         * c-common.c (in_late_binary_op): Define.
10086         (c_common_truthvalue_conversion): Check in_late_binary_op before
10087         calling c_save_expr.
10088         * c-common.h (in_late_binary_op): Declare.
10089
10090 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
10091
10092         * c-opts.c (c_common_handle_option): Update calls to
10093         set_struct_debug_option.
10094
10095 2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>
10096
10097         * c-common.h (objc_declare_protocols): Added additional argument.
10098         * stub-objc.c (objc_declare_protocol): Same change.
10099
10100 2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>
10101
10102         PR c/33193
10103         * c-common.h (build_real_imag_expr): Declare.
10104         * c-semantics.c (build_real_imag_expr): Define.
10105
10106 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
10107
10108         * c-opts.c (c_common_parse_file): Take no arguments.
10109         * c-common.h (c_common_parse_file): Update prototype.
10110
10111 2010-11-16  Jakub Jelinek  <jakub@redhat.com>
10112
10113         PR c++/46401
10114         * c-common.c (warning_candidate_p): Don't track non-const calls
10115         or STRING_CSTs.
10116
10117 2010-11-15  Ian Lance Taylor  <iant@google.com>
10118
10119         * c-lex.c (init_c_lex): Set macro debug callbacks if
10120         flag_dump_go_spec is set.
10121
10122 2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>
10123
10124         * c-common.h (objc_build_incr_expr_for_property_ref): New.
10125         * stub-objc.c (objc_build_incr_expr_for_property_ref): New.
10126
10127 2010-11-15  Nathan Froyd  <froydnj@codesourcery.com>
10128
10129         PR preprocessor/45038
10130         * c-cppbuiltin.c (c_cpp_builtins): Use different format for C++
10131         dialects.
10132
10133 2010-11-12  Joseph Myers  <joseph@codesourcery.com>
10134
10135         * c-common.h (c_family_lang_mask): Declare.
10136         * c-opts.c (c_family_lang_mask): Make extern.
10137         * c-pragma.c (handle_pragma_diagnostic): Use
10138         control_warning_option.
10139
10140 2010-11-12  Joseph Myers  <joseph@codesourcery.com>
10141
10142         * c-common.c (parse_optimize_options): Update call to
10143         decode_options.
10144         * c-common.h (c_common_handle_option): Update prototype.
10145         * c-opts.c (c_common_handle_option): Take location_t parameter and
10146         pass it to other functions.
10147
10148 2010-11-11  Joseph Myers  <joseph@codesourcery.com>
10149
10150         * c-opts.c (warning_as_error_callback): Remove.
10151         (c_common_initialize_diagnostics): Don't call
10152         register_warning_as_error_callback.
10153         (c_common_handle_option): Handle -Werror=normalized= here.
10154
10155 2010-11-10  Joseph Myers  <joseph@codesourcery.com>
10156
10157         * c-common.c (handle_mode_attribute): Use %' and word "signedness"
10158         in diagnostic.
10159         * c-opts.c (c_common_parse_file): Start diagnostics with lowercase
10160         letter.
10161         * c-pragma.c (handle_pragma_target, handle_pragma_optimize):
10162         Remove trailing '.' from diagnostics.
10163         * c.opt (Wwrite-strings_: Avoid '`' in help text.
10164
10165 2010-11-10  Joseph Myers  <joseph@codesourcery.com>
10166
10167         * c-common.c (parse_optimize_options): Pass global_dc to
10168         decode_options.
10169         * c-opts.c (c_common_handle_option): Pass &global_options to
10170         set_Wstrict_aliasing.
10171         * c.opt (v): Don't mark Common or document here.
10172
10173 2010-11-06  Iain Sandoe  <iains@gcc.gnu.org>
10174
10175         PR target/44981
10176         * c-format.c (format_type): New type gcc_objc_string_format_type.
10177         (valid_stringptr_type_p): New.
10178         (handle_format_arg_attribute): Use valid_stringptr_type_p ().
10179         (check_format_string): Pass expected type, use
10180         valid_stringptr_type_p (), check that the format string types are
10181         consistent with the format specification.
10182         (decode_format_attr): Warn if NSString is used outside objective-c.
10183         (format_types_orig): Add NSString.
10184         (format_name): New.
10185         (format_flags): New.
10186         (check_format_arg): Handle format strings requiring an external parser.
10187         first_target_format_type: New variable.
10188         (handle_format_attribute): Set up first_target_format_type, pass the
10189         expected format arg string type to check_format_string().
10190         * c-common.h (FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL): New flag.
10191         * stub-objc.c (objc_string_ref_type_p): New.
10192         (objc_check_format_arg): New.
10193
10194 2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>
10195
10196         Fixed using the Objective-C 2.0 dot-syntax with class names.
10197         * c-common.h (objc_build_class_component_ref): New.
10198         * stub-objc.c (objc_build_class_component_ref): New.
10199
10200 2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>
10201
10202         * c.opt (Wproperty-assign-default): New option.
10203
10204 2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>
10205
10206         Implemented -fobjc-std=objc1 flag.
10207         * c.opt (fobjc-std=objc1): New option.
10208
10209 2010-11-01  Nicola Pero  <nicola.pero@meta-innovation.com>
10210
10211         Implemented format and noreturn attributes for Objective-C methods.
10212         * c-common.c (handle_noreturn_attribute): Recognize 'noreturn'
10213         attribute for Objective-C methods.
10214
10215 2010-10-31  Jason Merrill  <jason@redhat.com>
10216
10217         * c-common.c (conversion_warning, warn_for_collisions_1): Use
10218         EXPR_LOC_OR_HERE.
10219
10220 2010-10-30  Nicola Pero  <nicola.pero@meta-innovation.com>
10221
10222         Implemented Objective-C 2.0 @property, @synthesize and @dynamic.
10223         * c-common.h (enum rid): Removed RID_COPIES and RID_IVAR.
10224         (objc_add_property_declaration): Removed arguments for copies and
10225         ivar.
10226         (objc_build_getter_call): Renamed to
10227         objc_maybe_build_component_ref.
10228         (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
10229         (objc_is_property_ref): New.
10230         * c-common.c (c_common_reswords): Removed copies and ivar.
10231         * stub-objc.c (objc_add_property_declaration): Removed arguments
10232         for copies and ivar.
10233         (objc_build_getter_call): Renamed to
10234         objc_maybe_build_component_ref.
10235         (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
10236         (objc_is_property_ref): New.
10237
10238 2010-10-29  Arnaud Charlet  <charlet@adacore.com>
10239             Matthew Gingell  <gingell@adacore.com>
10240
10241         * c-ada-spec.c (separate_class_package): New function.
10242         (pp_ada_tree_identifier): Prefix references to C++ classes with the
10243         name of their enclosing package.
10244         (print_ada_declaration): Use separate_class_package.
10245
10246 2010-10-27  Jason Merrill  <jason@redhat.com>
10247
10248         * c-common.c (c_common_reswords): Add __is_literal_type.
10249         * c-common.h (enum rid): Add RID_IS_LITERAL_TYPE.
10250
10251         * c-common.c (check_case_value): Remove special C++ code.
10252
10253 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
10254
10255         * c-common.h (enum rid): Added RID_READWRITE, RID_ASSIGN,
10256         RID_RETAIN, RID_COPY and RID_NONATOMIC.  Updated RID_FIRST_PATTR
10257         and RID_LAST_PATTR.
10258         (objc_add_property_declaration): Added additional arguments.
10259         (objc_property_attribute_kind): Removed.
10260         (objc_set_property_attr): Removed.
10261         * c-common.c (c_common_reswords): Added readwrite, assign, retain,
10262         copy and nonatomic.
10263         * stub-objc.c (objc_add_property_declaration): Added additional
10264         arguments.
10265         (objc_set_property_attr): Removed.
10266
10267 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
10268
10269         * c-common.h (objc_add_property_variable): Renamed to
10270         objc_add_property_declaration.  Added location argument.
10271         * stub-objc.c (objc_add_property_variable): Same change.
10272
10273 2010-10-23  Nicola Pero  <nicola.pero@meta-innovation.com>
10274
10275         * c-common.h (objc_maybe_printable_name): New.
10276         * stub-objc.c (objc_maybe_printable_name): New.
10277
10278 2010-10-22  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
10279             Andrew Pinski  <pinskia@gmail.com>
10280
10281         * c-common.h (c_common_mark_addressable_vec): Declare.
10282         * c-common.c (c_common_mark_addressable_vec): New function.
10283
10284 2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>
10285
10286         * c-common.h (objc_set_method_type): Removed.
10287         (objc_add_method_declaration): Added boolean argument.
10288         (objc_start_method_definition): Same change.
10289         (objc_build_method_signature): Same change.
10290         * stub-objc.c (objc_set_method_type): Removed.
10291         (objc_add_method_declaration): Added boolean argument.
10292         (objc_start_method_definition): Same change.
10293         (objc_build_method_signature): Same change.
10294
10295 2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>
10296
10297         * c-common.h (finish_file): Removed.
10298         (objc_write_global_declarations): New.
10299         * c-opts.c (c_common_parse_file): Do not call finish_file.
10300         * stub-objc.c (objc_write_global_declarations): New.
10301
10302 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
10303
10304         Implemented parsing @synthesize and @dynamic for
10305         Objective-C/Objective-C++.
10306         * c-common.h (enum rid): Add RID_AT_SYNTHESIZE and RID_AT_DYNAMIC.
10307         (objc_add_synthesize_declaration): New.
10308         (objc_add_dynamic_declaration): New.
10309         * c-common.c (c_common_reswords): Add synthesize and dynamic.
10310         * stub-objc.c (objc_add_synthesize_declaration): New.
10311         (objc_add_dynamic_declaration): New.
10312
10313 2010-10-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
10314
10315         PR target/46041
10316         * c-cppbuiltin.c (mode_has_fma): Move function here from
10317         builtins.c.  Don't use the fma optab, instead just use the
10318         HAVE_fma* macros, so that __FP_FAST_FMA* will be defined when
10319         using -save-temps.
10320
10321 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
10322
10323         Merge from 'apple/trunk' branch on FSF servers.
10324
10325         2005-11-08  Fariborz Jahanian  <fjahanian@apple.com>
10326
10327         Radar 4330422
10328         * c-common.h (objc_non_volatilized_type): New declaration
10329         * stub-objc.c (objc_non_volatilized_type): New stub.
10330
10331 2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>
10332
10333         Merge from 'apple/trunk' branch on FSF servers.
10334
10335         2006-03-27  Fariborz Jahanian  <fjahanian@apple.com>
10336
10337         Radar 4133425
10338         * c-common.h (objc_diagnose_private_ivar): New decl.
10339         * stub-objc.c (objc_diagnose_private_ivar): New stub.
10340
10341 2010-10-17  Iain Sandoe  <iains@gcc.gnu.org>
10342
10343         * c-common.c (c_common_reswords): Add package, RID_AT_PACKAGE.
10344         * c-common.h (enum rid): Add RID_AT_PACKAGE.
10345         (objc_ivar_visibility_kind): New enum.
10346         (objc_set_visibility): Adjust prototype to use visibility enum.
10347         * stub-objc.c (objc_set_visibility): Adjust stub to use
10348         visibility enum.
10349
10350 2010-10-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
10351
10352         * c-cppbuiltin.c (builtin_define_float_constants): Emit
10353         __FP_FAST_FMA, __FP_FAST_FMAF, and __FP_FAST_FMAL if the machine
10354         has the appropriate fma builtins.
10355         (c_cpp_builtins): Adjust call to builtin_define_float_constants.
10356
10357 2010-10-14  Iain Sandoe  <iains@gcc.gnu.org>
10358
10359         merge from FSF apple 'trunk' branch.
10360         2006 Fariborz Jahanian  <fjahanian@apple.com>
10361
10362         Radars 4436866, 4505126, 4506903, 4517826
10363         * c-common.c (c_common_resword): Define @property and its attributes.
10364         * c-common.h: Define property attribute enum entries.
10365         (OBJC_IS_PATTR_KEYWORD): New.
10366         (objc_property_attribute_kind): New enum.
10367         Declare objc_set_property_attr (), objc_add_property_variable (),
10368         objc_build_getter_call () and objc_build_setter_call ().
10369         * stub-objc.c (objc_set_property_attr): New stub.
10370         (objc_add_property_variable): Likewise.
10371         (objc_build_getter_call): Likewise.
10372         (objc_build_setter_call) Likewise.
10373
10374 2010-10-13  Iain Sandoe  <iains@gcc.gnu.org>
10375
10376         merge from FSF apple 'trunk' branch.
10377         2006-04-26  Fariborz Jahanian  <fjahanian@apple.com>
10378
10379         Radar 3803157 (method attributes)
10380         * c-common.c (handle_deprecated_attribute): Recognize
10381         objc methods as valid declarations.
10382         * c-common.h: Declare objc_method_decl ().
10383         * stub-objc.c (objc_method_decl): New stub.
10384
10385 2010-10-08  Joseph Myers  <joseph@codesourcery.com>
10386
10387         * c-common.c (parse_optimize_options): Call
10388         decode_cmdline_options_to_array_default_mask before
10389         decode_options.  Update arguments to decode_options.
10390         * c-common.h (c_common_init_options_struct): Declare.
10391         * c-opts.c (c_common_init_options_struct): New.  Split out from
10392         c_common_init_options.
10393
10394 2010-10-06  Nicola Pero  <nicola.pero@meta-innovation.com>
10395
10396         Implemented fast enumeration for Objective-C.
10397         * c-common.h (objc_finish_foreach_loop): New.
10398         * stub-objc.c (objc_finish_foreach_loop): New.
10399
10400 2010-10-05  Joseph Myers  <joseph@codesourcery.com>
10401
10402         * c-common.h (struct diagnostic_context): Don't declare here.
10403         (c_common_initialize_diagnostics): Declare using
10404         diagnostic_context typedef.
10405         * c-opts.c (c_common_handle_option): Pass global_dc to
10406         handle_generated_option.
10407
10408 2010-10-04  Joseph Myers  <joseph@codesourcery.com>
10409
10410         * c-opts.c (c_common_handle_option): Pass &global_options_set to
10411         handle_generated_option.
10412
10413 2010-10-03  Ian Lance Taylor  <iant@google.com>
10414
10415         * c.opt (-fplan9-extensions): New option.
10416
10417 2010-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
10418
10419         * c-cppbuiltin.c (define__GNUC__, builtin_define_type_precision):
10420         Remove.
10421         (c_cpp_builtins): Call functions from cppbuiltin.c instead
10422         of duplicating code.
10423
10424 2010-09-30  Iain Sandoe  <iains@gcc.gnu.org>
10425
10426         * c-common.c: Add two new entries for @optional
10427         and @required keywords.
10428
10429         merge from FSF 'apple/trunk' branch.
10430         2006-01-30  Fariborz Jahanian  <fjahanian@apple.com>
10431
10432         Radar 4386773
10433         * c-common.h (RID_AT_OPTIONAL, RID_AT_REQUIRED): Two new
10434         objective-c keywords.
10435         (objc_set_method_opt): New declaration.
10436         * stub-objc.c (objc_set_method_opt): New stub.
10437
10438 2010-09-30  Joseph Myers  <joseph@codesourcery.com>
10439
10440         * c-common.c (handle_optimize_attribute): Pass &global_options to
10441         cl_optimization_save and cl_optimization_restore.
10442         * c-opts.c (c_common_handle_option): Pass &global_options to
10443         handle_generated_option.
10444         * c-pragma.c (handle_pragma_diagnostic): Use option_flag_var.
10445         (handle_pragma_pop_options, handle_pragma_reset_options): Pass
10446         &global_options to cl_optimization_restore.
10447
10448 2010-09-30  Nicola Pero  <nicola.pero@meta-innovation.com>
10449
10450         * c-lex.c (c_lex_with_flags): Updated comments for CPP_AT_NAME
10451         Objective-C/Objective-C++ keywords.
10452
10453 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
10454
10455         Merge from 'apple/trunk' branch on FSF servers.
10456
10457         2005-10-04  Fariborz Jahanian  <fjahanian@apple.com>
10458
10459         Radar 4281748
10460         * c-common.h (objc_check_global_decl): New declaration.
10461         * stub-objc.c (objc_check_global_decl): New stub.
10462
10463 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
10464
10465         * c.opt: Don't use VarExists.
10466
10467 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
10468
10469         * c-common.c (c_cpp_error): Update names of diagnostic_context
10470         members.
10471         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Update names of
10472         cl_optimization members.
10473         * c-opts.c (warning_as_error_callback, c_common_handle_option,
10474         sanitize_cpp_opts, finish_options): Update names of cpp_options
10475         members.
10476
10477 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
10478
10479         * c-common.h (OBJC_IS_CXX_KEYWORD): New macro.  Updated comments.
10480         (objc_is_reserved_word): Removed.
10481         * c-common.c: Updated comments.
10482         * c-lex.c (c_lex_with_flags): Use OBJC_IS_CXX_KEYWORD instead of
10483         objc_is_reserved_word.
10484         * stub-objc.c (objc_is_reserved_word): Removed.
10485
10486 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
10487
10488         * c-common.h (objc_add_method_declaration): Adjust prototype to
10489         include attributes.
10490         (objc_start_method_definition): Likewise.
10491         (objc_build_keyword_decl): Likewise.
10492         * stub-objc.c:(objc_add_method_declaration): Handle attributes.
10493         (objc_start_method_definition): Likewise.
10494         (objc_build_keyword_decl): Likewise.
10495
10496 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
10497
10498         * c-common.h (objc_start_class_interface): Adjust prototype.
10499         (objc_start_category_interface): Likewise.
10500         (objc_start_protocol): Likewise.
10501         * stub-objc.c (objc_start_protocol): Adjust for extra argument.
10502         (objc_start_class_interface): Likewise.
10503         (objc_start_category_interface): Likewise.
10504
10505 2010-09-27  Ian Lance Taylor  <iant@google.com>
10506
10507         * c-common.c (c_common_attribute_table): Add no_split_stack.
10508         (handle_no_split_stack_attribute): New static function.
10509
10510 2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>
10511
10512         Merge from 'apple/trunk' branch on FSF servers.
10513
10514         2005-12-15  Fariborz Jahanian  <fjahanian@apple.com>
10515
10516         Radar 4229905
10517         * c-common.h (objc_have_common_type): New declaration.
10518         * stub-objc.c (objc_have_common_type): New stub.
10519
10520         2005-06-22  Ziemowit Laski  <zlaski@apple.com>
10521
10522         Radar 4154928
10523         * c-common.h (objc_common_type): New prototype.
10524         * stub-objc.c (objc_common_type): New stub.
10525
10526 2010-09-24  Jan Hubicka  <jh@suse.cz>
10527
10528         * c-common.c (handle_leaf_attribute): New function.
10529         (struct attribute_spec c_common_att): Add leaf.
10530
10531 2010-09-22  Joseph Myers  <joseph@codesourcery.com>
10532
10533         * c.opt (-all-warnings, -ansi, -assert, -assert=, -comments,
10534         -comments-in-macros, -define-macro, -define-macro=, -dependencies,
10535         -dump, -dump=, -imacros, -imacros=, -include, -include=,
10536         -include-barrier, -include-directory, -include-directory=,
10537         -include-directory-after, -include-directory-after=,
10538         -include-prefix, -include-prefix=, -include-with-prefix,
10539         -include-with-prefix=, -include-with-prefix-after,
10540         -include-with-prefix-after=, -include-with-prefix-before,
10541         -include-with-prefix-before=, -no-integrated-cpp,
10542         -no-line-commands, -no-standard-includes, -no-warnings, -output,
10543         -output=, -pedantic, -pedantic-errors, -preprocess,
10544         -print-missing-file-dependencies, -trace-includes, -traditional,
10545         -traditional-cpp, -trigraphs, -undefine-macro, -undefine-macro=,
10546         -user-dependencies, -verbose, -write-dependencies,
10547         -write-user-dependencies, no-integrated-cpp, traditional): New.
10548
10549 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
10550
10551         PR objc/23710
10552         * c-common.h (objc_start_method_definition): Return bool instead
10553         of void.
10554         * stub-objc.c (objc_start_method_definition): Return bool instead
10555         of void.
10556
10557 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
10558
10559         PR objc/25965
10560         * c-common.h (objc_get_interface_ivars): New declaration.
10561         * stub-objc.c (objc_get_interface_ivars): New stub.
10562
10563 2010-09-15  Ian Lance Taylor  <iant@google.com>
10564
10565         * c-common.c (parse_optimize_options): Do not capitalize warning
10566         messages.  Remove period at end of warning message.
10567
10568 2010-09-09  Nathan Sidwell  <nathan@codesourcery.com>
10569
10570         * c-common.c (handle_alias_ifunc_attribute): New, broken out of ...
10571         (handle_alias_attribute): ... here.
10572         (handle_ifunc_attribute): New.
10573
10574 2010-09-06  Mark Mitchell  <mark@codesourcery.com>
10575
10576         * c-common.h (do_warn_double_promotion): Declare.
10577         * c-common.c (do_warn_double_promotion): Define.
10578
10579 2010-09-05  Mark Mitchell  <mark@codesourcery.com>
10580
10581         * c.opt (Wdouble-promotion): New.
10582
10583 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
10584
10585         * c.opt (falt-external-templates, fhuge-objects, fvtable-gc,
10586         fvtable-thunks, fxref): Mark no longer supported in help text.
10587
10588 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
10589
10590         * c.opt (Wimport, fall-virtual, falt-external-templates,
10591         fdefault-inline, fenum-int-equiv, fexternal-templates,
10592         fguiding-decls, fhonor-std, fhuge-objects, flabels-ok,
10593         fname-mangling-version-, fnew-abi, fnonnull-objects,
10594         foptional-diags, fsquangle, fstrict-prototype, fthis-is-variable,
10595         fvtable-gc, fvtable-thunks, fxref): Mark with Ignore and Warn as
10596         applicable.
10597         (fhandle-exceptions): Mark with Alias and Warn.
10598         * c-opts.c (c_common_handle_option): Don't handle options marked
10599         as ignored.
10600
10601 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
10602
10603         * c.opt (Wcomments, Werror-implicit-function-declaration,
10604         ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x,
10605         std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as
10606         aliases.
10607         * c-common.c (option_codes): Use OPT_Wcomment instead of
10608         OPT_Wcomments.
10609         * c-opts.c (warning_as_error_callback, c_common_handle_option):
10610         Don't handle options marked as aliases.
10611
10612 2010-08-25  Richard Guenther  <rguenther@suse.de>
10613
10614         * c-common.c (c_common_get_alias_set): Remove special
10615         handling for pointers.
10616
10617 2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>
10618
10619         * c-common.c: Use FOR_EACH_VEC_ELT.
10620         * c-gimplify.c: Likewise.
10621         * c-pragma.c: Likewise.
10622
10623 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
10624
10625         * c.opt (MDX): Change back to MD.  Mark NoDriverArg instead of
10626         RejectDriver.
10627         (MMDX): Change back to MMD.  Mark NoDriverArg instead of
10628         RejectDriver.
10629         * c-opts.c (c_common_handle_option): Use OPT_MD and OPT_MMD
10630         instead of OPT_MDX and OPT_MMDX.
10631
10632 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
10633
10634         * c.opt (MDX, MMDX, lang-asm): Mark RejectDriver.
10635
10636 2010-08-12  Joseph Myers  <joseph@codesourcery.com>
10637
10638         * c.opt (MD, MMD): Change to MDX and MMDX.
10639         * c-opts.c (c_common_handle_option): Use OPT_MMD and OPT_MMDX.
10640
10641 2010-08-11  Joseph Myers  <joseph@codesourcery.com>
10642
10643         * c-opts.c (c_common_handle_option): Call handle_generated_option
10644         instead of handle_option.
10645
10646 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
10647
10648         * c-pragma.c (add_to_renaming_pragma_list): Fix call to VEC_safe_push.
10649         (maybe_apply_renaming_pragma): Delete unneeded declarations.
10650
10651 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
10652
10653         * c-pragma.c (pending_redefinition): Declare.  Declare a VEC of it.
10654         (pending_redefine_extname): Change type to a VEC.
10655         (add_to_renaming_pragma_list): Update for new type of
10656         pending_redefine_extname.
10657         (maybe_apply_renaming_pragma): Likewise.
10658
10659 2010-08-04  Arnaud Charlet  <charlet@adacore.com>
10660
10661         * c-ada-spec.c (dump_ada_template): Mark underlying instance type as
10662         visited.
10663         (dump_generic_ada_node): Code clean up. Use TREE_VISITED flag to
10664         decide whether a type has already been declared/seen.
10665         Do not go to the original type.
10666         (dump_nested_types): New parameter forward.
10667         Generate forward declaration if needed and mark type as visited.
10668         (print_ada_declaration): Call dump_nested_types if not already done.
10669         Mark types as visited.
10670
10671 2010-08-03  Joseph Myers  <joseph@codesourcery.com>
10672
10673         * c.opt (-print-pch-checksum): Remove option.
10674         * c-opts.c (c_common_handle_option): Don't handle
10675         OPT_print_pch_checksum.
10676
10677 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
10678
10679         * c-common.h (c_common_handle_option): Update prototype and return
10680         value type.
10681         * c-opts.c (c_common_handle_option): Update prototype and return
10682         value type.  Update calls to handle_option and
10683         enable_warning_as_error.
10684
10685 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
10686
10687         PR c/45079
10688         * c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR.
10689
10690 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
10691
10692         * c-common.h (c_common_missing_argument): Remove.
10693         * c-opts.c (c_common_missing_argument): Remove.
10694         * c.opt (A, D, F, I, MD, MMD, MQ, MT, U, fconstant-string-class=,
10695         idirafter, imacros, include, isysroot, isystem, iquote): Add
10696         MissingArgError.
10697         * c-objc-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
10698
10699 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
10700
10701         * c-common.h (c_common_option_lang_mask,
10702         c_common_initialize_diagnostics, c_common_complain_wrong_lang_p):
10703         New.
10704         (c_common_init_options): Update prototype.
10705         * c-opts.c (c_common_option_lang_mask): New.
10706         (c_common_initialize_diagnostics): Split out of
10707         c_common_init_options.
10708         (accept_all_c_family_options, c_common_complain_wrong_lang_p):
10709         New.
10710         (c_common_init_options): Update prototype.  Use decoded options in
10711         search for -lang-asm.
10712
10713 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
10714
10715         * c-common.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
10716         * c-format.c: Likewise.
10717
10718 2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10719
10720         * c-common.h: Include diagnostic-core.h. Error if already
10721         included.
10722         * c-semantics.c: Do not define GCC_DIAG_STYLE here.
10723
10724 2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10725
10726         * c-common.c (IN_GCC_FRONTEND): Do not undef.
10727         Do not include expr.h
10728         (vector_mode_valid_p): Move here.
10729
10730 2010-06-21  DJ Delorie  <dj@redhat.com>
10731
10732         * c-pragma.c (handle_pragma_diagnostic): Add push/pop,
10733         allow these pragmas anywhere.
10734
10735 2010-06-14  Jakub Jelinek  <jakub@redhat.com>
10736
10737         PR bootstrap/44509
10738         * c-cppbuiltin.c: Include gt-c-family-c-cppbuiltin.h.
10739         (lazy_hex_fp_values, lazy_hex_fp_value_count): Add GTY(()) markers.
10740         (lazy_hex_fp_value, builtin_define_with_hex_fp_value): Use
10741         ggc_strdup instead of xstrdup.
10742
10743 2010-06-10  Jakub Jelinek  <jakub@redhat.com>
10744
10745         * c-cppbuiltin.c: Include cpp-id-data.h.
10746         (lazy_hex_fp_values, lazy_hex_fp_value_count): New variables.
10747         (lazy_hex_fp_value): New function.
10748         (builtin_define_with_hex_fp_value): Provide definitions lazily.
10749
10750 2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10751
10752         * c-gimplify.c: Do not include tree-flow.h
10753
10754 2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>
10755
10756         PR other/44034
10757         * c-common.c: Rename targetm member:
10758         targetm.enum_va_list -> targetm.enum_va_list_p
10759
10760 2010-06-28  Anatoly Sokolov  <aesok@post.ru>
10761
10762         * c-common.c (shorten_compare): Adjust call to force_fit_type_double.
10763
10764 2010-06-28  Steven Bosscher  <steven@gcc.gnu.org>
10765
10766         * c-cppbuiltin.c: Do not include except.h.
10767
10768 2010-06-24  Andi Kleen  <ak@linux.intel.com>
10769
10770         * c-common.c (warn_for_omitted_condop): New.
10771         * c-common.h (warn_for_omitted_condop): Add prototype.
10772
10773 2010-06-21  Joseph Myers  <joseph@codesourcery.com>
10774
10775         * c.opt (lang-objc): Remove.
10776         * c-opts.c (c_common_handle_option): Don't handle OPT_lang_objc.
10777
10778 2010-06-21  Joern Rennecke  <joern.rennecke@embecosm.com>
10779
10780         * c-opts.c: Include "tm_p.h".
10781
10782 2010-06-20  Joseph Myers  <joseph@codesourcery.com>
10783
10784         * c-common.c (parse_optimize_options): Update call to
10785         decode_options.
10786
10787 2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>
10788
10789         * c-common.c (record_types_used_by_current_var_decl): Adjust for
10790         new type of types_used_by_cur_var_decl.
10791
10792 2010-06-17  Joern Rennecke  <joern.rennecke@embecosm.com>
10793
10794         PR bootstrap/44512
10795         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Add cast
10796         for C++ standard compliance.
10797
10798 2010-06-16  Jason Merrill  <jason@redhat.com>
10799
10800         * c.opt: Add -Wnoexcept.
10801
10802 2010-06-16  Richard Guenther  <rguenther@suse.de>
10803
10804         PR c/44555
10805         * c-common.c (c_common_truthvalue_conversion): Remove
10806         premature and wrong optimization concering ADDR_EXPRs.
10807
10808 2010-06-15  Arnaud Charlet  <charlet@adacore.com>
10809
10810         * c-ada-spec.c (dump_sloc): Remove column info.
10811         (is_simple_enum): New function.
10812         (dump_generic_ada_node, print_ada_declaration): Map C enum types to Ada
10813         enum types when relevant.
10814
10815 2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10816
10817         * c-common.c (conversion_warning): Warn at expression
10818         location.
10819
10820 2010-06-10  Joseph Myers  <joseph@codesourcery.com>
10821
10822         * c-opts.c (c_common_handle_option): Don't handle
10823         OPT_fshow_column.
10824
10825 2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
10826
10827         * c-pragma.c (push_alignment): Use typed GC allocation.
10828         (handle_pragma_push_options): Likewise.
10829
10830         * c-common.c (parse_optimize_options): Likewise.
10831
10832         * c-common.h (struct sorted_fields_type): Add variable_size GTY
10833         option.
10834
10835 2010-06-07  Joseph Myers  <joseph@codesourcery.com>
10836
10837         * c-common.c (flag_preprocess_only, flag_undef, flag_no_builtin,
10838         flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
10839         flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
10840         flag_signed_bitfields, warn_strict_null_sentinel,
10841         flag_nil_receivers, flag_zero_link, flag_replace_objc_classes,
10842         flag_gen_declaration, flag_no_gnu_keywords,
10843         flag_implement_inlines, flag_implicit_templates,
10844         flag_implicit_inline_templates, flag_optional_diags,
10845         flag_elide_constructors, flag_default_inline, flag_rtti,
10846         flag_conserve_space, flag_access_control, flag_check_new,
10847         flag_new_for_scope, flag_weak, flag_working_directory,
10848         flag_use_cxa_atexit, flag_use_cxa_get_exception_ptr,
10849         flag_enforce_eh_specs, flag_threadsafe_statics,
10850         flag_pretty_templates): Remove.
10851         * c-common.h (flag_preprocess_only, flag_nil_receivers,
10852         flag_objc_exceptions, flag_objc_sjlj_exceptions, flag_zero_link,
10853         flag_replace_objc_classes, flag_undef, flag_no_builtin,
10854         flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
10855         flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
10856         flag_const_strings, flag_signed_bitfields, flag_gen_declaration,
10857         flag_no_gnu_keywords, flag_implement_inlines,
10858         flag_implicit_templates, flag_implicit_inline_templates,
10859         flag_optional_diags, flag_elide_constructors, flag_default_inline,
10860         flag_rtti, flag_conserve_space, flag_access_control,
10861         flag_check_new, flag_new_for_scope, flag_weak,
10862         flag_working_directory, flag_use_cxa_atexit,
10863         flag_use_cxa_get_exception_ptr, flag_enforce_eh_specs,
10864         flag_threadsafe_statics, flag_pretty_templates,
10865         warn_strict_null_sentinel): Remove.
10866         * c.opt (E, Wstrict-null-sentinel, faccess-control, fasm,
10867         fbuiltin, fcheck-new, fconserve-space, felide-constructors,
10868         fenforce-eh-specs, ffor-scope, fgnu-keywords, fimplement-inlines,
10869         fimplicit-inline-templates, fimplicit-templates,
10870         flax-vector-conversions, fms-extensions, fnil-receivers,
10871         fnonansi-builtins, fpretty-templates, freplace-objc-classes,
10872         frtti, fshort-double, fshort-enums, fshort-wchar,
10873         fsigned-bitfields, fsigned-char, fstats, fthreadsafe-statics,
10874         funsigned-bitfields, funsigned-char, fuse-cxa-atexit,
10875         fuse-cxa-get-exception-ptr, fweak, fworking-directory, fzero-link,
10876         gen-decls, undef): Use Var.
10877         (fdefault-inline, foptional-diags): Document as doing nothing.
10878         * c-opts.c (c_common_handle_option): Remove cases for options now
10879         using Var.  Mark ignored options as such.
10880
10881 2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>
10882
10883         * c-common.c: Moved to here from parent directory.
10884         * c-common.def: Likewise.
10885         * c-common.h: Likewise.
10886         * c-cppbuiltin.c: Likewise.
10887         * c-dump.c: Likewise.
10888         * c-format.c: Likewise.
10889         * c-format.h : Likewise.
10890         * c-gimplify.c: Likewise.
10891         * c-lex.c: Likewise.
10892         * c-omp.c: Likewise.
10893         * c.opt: Likewise.
10894         * c-opts.c: Likewise.
10895         * c-pch.c: Likewise.
10896         * c-ppoutput.c: Likewise.
10897         * c-pragma.c: Likewise.
10898         * c-pragma.h: Likewise.
10899         * c-pretty-print.c: Likewise.
10900         * c-pretty-print.h: Likewise.
10901         * c-semantics.c: Likewise.
10902         * stub-objc.c: Likewise.
10903
10904         * c-common.c: Include gt-c-family-c-common.h.
10905         * c-pragma.c: Include gt-c-family-c-pragma.h.
10906 \f
10907 Copyright (C) 2010-2020 Free Software Foundation, Inc.
10908
10909 Copying and distribution of this file, with or without modification,
10910 are permitted in any medium without royalty provided the copyright
10911 notice and this notice are preserved.