gcc/cp/ChangeLog

   1 2018-04-03  Jason Merrill  <jason@redhat.com>
   2
   3         * typeck.c (merge_types): Limit matching attribute shortcut to
   4         the default case.
   5
   6 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
   7
   8         PR c++/85147
   9         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
  10
  11         PR c++/85140
  12         * name-lookup.c (handle_namespace_attrs): Return early if attributes
  13         is error_mark_node.
  14
  15         PR c++/85134
  16         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
  17         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
  18         instead for static data members clear init and set DECL_EXTERNAL.
  19
  20 2018-04-02  Jason Merrill  <jason@redhat.com>
  21
  22         PR c++/64095 - auto... parameter pack.
  23         * parser.c (cp_parser_parameter_declaration): Handle turning autos
  24         into packs here.
  25         (cp_parser_parameter_declaration_list): Not here.
  26
  27 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
  28
  29         PR c++/85027
  30         * class.c (instantiate_type): Peel off SAVE_EXPR before
  31         BASELINK.
  32
  33 2018-03-30  Jason Merrill  <jason@redhat.com>
  34
  35         * typeck2.c (process_init_constructor_record): Use
  36         init_list_type_node for the CONSTRUCTOR around an anonymous union
  37         designated initializer.
  38
  39 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
  40
  41         PR c++/84791
  42         * semantics.c (finish_omp_reduction_clause): If
  43         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
  44         even if processing_template_decl.
  45
  46 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
  47
  48         PR c++/84269
  49         * name-lookup.c (get_std_name_hint): Add names from <memory>,
  50         <tuple>, and <utility>.
  51
  52 2018-03-29  Jason Merrill  <jason@redhat.com>
  53
  54         PR c++/85093 - too many template args with pack expansion.
  55         * pt.c (coerce_template_parms): Keep pack expansion args that will
  56         need to be empty.
  57
  58 2018-03-29  Jason Merrill  <jason@redhat.com>
  59
  60         * pt.c (build_non_dependent_expr): Propagate expr location.
  61
  62 2018-03-27  Jason Merrill  <jason@redhat.com>
  63
  64         PR c++/85060 - wrong-code with call to base member in template.
  65         * search.c (any_dependent_bases_p): Check uses_template_parms
  66         rather than processing_template_decl.
  67
  68 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
  69
  70         PR c++/85110
  71         * typeck.c (convert_for_assignment): When complaining due to
  72         conversions for an argument, attempt to use the location of the
  73         argument.
  74
  75 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
  76
  77         PR c++/85028
  78         * pt.c (tsubst_default_argument): Early return if the type of the
  79         parameter is erroneous.
  80
  81 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
  82
  83         PR c++/84973
  84         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
  85         templates.
  86
  87         PR c++/84968
  88         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
  89
  90 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
  91
  92         PR c++/85067
  93         * method.c (defaulted_late_check): Partially revert r253321 changes,
  94         do not early return upon error.
  95
  96 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
  97
  98         PR c++/85077
  99         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
 100         type call fold to generate VECTOR_CSTs when possible.
 101
 102         PR c++/85076
 103         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
 104         return it right away.
 105
 106 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
 107
 108         * search.c (check_final_overrider): Use inform instead of error
 109         for the diagnostics of the overridden functions.  Tweak wording.
 110
 111 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
 112
 113         PR c++/85068
 114         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
 115         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
 116
 117 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
 118             Jason Merrill  <jason@redhat.com>
 119
 120         PR c++/84632
 121         * init.c (build_aggr_init): When initializing from array,
 122         reject anything but CONSTRUCTORs and TARGET_EXPRs.
 123         (build_vec_init): Handle separately ARRAY_TYPEs.
 124
 125 2018-03-26  Jason Merrill  <jason@redhat.com>
 126
 127         PR c++/85062 - ICE with alignas in wrong place.
 128         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
 129         here.
 130
 131         PR c++/85049 - ICE with __integer_pack.
 132         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
 133         * cp-tree.h (TEMPLATE_PARM_P): New.
 134
 135 2018-03-23  Jason Merrill  <jason@redhat.com>
 136
 137         PR c++/78489 - wrong SFINAE behavior.
 138
 139         PR c++/84489
 140         * pt.c (type_unification_real): Don't defer substitution failure.
 141
 142 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
 143
 144         PR c++/85015
 145         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
 146         result.
 147
 148         PR c++/84942
 149         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
 150         cp_build_unary_op call with gcc_unreachable ().
 151
 152 2018-03-23  Marek Polacek  <polacek@redhat.com>
 153
 154         PR c++/85045
 155         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
 156         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
 157         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
 158
 159 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
 160
 161         Implement P0962
 162         * parser.c (cp_parser_perform_range_for_lookup): Change
 163         the condition for deciding whether to use members.
 164
 165 2018-03-23  Marek Polacek  <polacek@redhat.com>
 166
 167         PR c++/85033
 168         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
 169
 170 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
 171
 172         PR c++/71251
 173         * parser.c (cp_parser_alias_declaration): Call
 174         parser_check_template_parameters.
 175
 176         PR c++/84789
 177         * pt.c (resolve_typename_type): Drop assert that stopped
 178         simplification to template-independent types.  Add assert to
 179         verify the initial scope is template dependent.
 180         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
 181         Reparse the id expression as a type-name, not a declarator.
 182
 183         PR c++/84729
 184         * init.c (build_vec_init): Error at parenthesized array init.
 185
 186         PR c++/84610
 187         PR c++/84642
 188         PR c++/84942
 189         * cp-tree.h (temp_override): New template class, generalizing
 190         a cleanup that was only used...
 191         * parser.c (cp_parser_parameter_declaration_clause):
 192         ... here for auto_is_implicit_function_template_parm_p.
 193         (cp_parser_gnu_attributes_opt): Use it here as well.
 194         (cp_parser_std_attribute): Likewise.
 195
 196 2018-03-22  Marek Polacek  <polacek@redhat.com>
 197
 198         PR c++/84854
 199         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
 200         is boolean.
 201
 202 2018-03-21  Jason Merrill  <jason@redhat.com>
 203
 204         PR c++/81311 - wrong C++17 overload resolution.
 205         * call.c (build_user_type_conversion_1): Remove C++17 code.
 206         (conv_binds_ref_to_prvalue): New.
 207         (build_over_call): Handle C++17 copy elision.
 208         (build_special_member_call): Only do C++17 copy elision here if the
 209         argument is already the right type.
 210
 211 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
 212
 213         PR c++/71965
 214         * init.c (build_vec_init): Silence error, former sorry,
 215         without tf_error.
 216
 217         PR c++/84610
 218         PR c++/84642
 219         * parser.c (abort_fully_implicit_template_p): New.
 220         (cp_parser_skip_to_end_of_statement): Use it.
 221         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
 222         (finish_fully_implicit_template_p): Clear
 223         implicit_template_parms and implicit_template_scope.
 224
 225 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
 226
 227         PR c++/84972
 228         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
 229         error_mark_node when check_array_designated_initializer fails.
 230
 231 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
 232
 233         PR c++/84961
 234         * cp-tree.h (genericize_compound_lvalue): Declare.
 235         * typeck.c (genericize_compound_lvalue): New function.
 236         (unary_complex_lvalue, cp_build_modify_expr): Use it.
 237         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
 238         and PREDECREMENT_EXPR in output and "m" constrained input operands with
 239         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
 240         COMPOUND_EXPR operand.
 241
 242 2018-03-21  Nathan Sidwell  <nathan@acm.org>
 243
 244         PR c++/85008
 245         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
 246         * decl2.c (vague_linkage_p): Likewise.
 247
 248 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
 249
 250         PR c++/84994
 251         * constexpr.c (constexpr_fn_retval): Make non-"static".
 252         * cp-tree.h (constexpr_fn_retval): New decl.
 253         * search.c (direct_accessor_p): Update leading comment.
 254         (reference_accessor_p): Likewise.
 255         (field_accessor_p): Replace check that function body is a
 256         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
 257         indentation of "field_type" decl.
 258
 259 2018-03-21  Nathan Sidwell  <nathan@acm.org>
 260
 261         PR c++/84804
 262         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
 263         complete classes.
 264
 265 2018-03-21  Martin Sebor  <msebor@redhat.com>
 266
 267         PR c++/84850
 268         * call.c (first_non_public_field): New template and function.
 269         (first_non_trivial_field): New function.
 270         (maybe_warn_class_memaccess): Call them.
 271
 272 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
 273
 274         PR c++/84892
 275         * search.c (field_accessor_p): Use class_of_this_parm rather than
 276         type_of_this_parm, to check that "this" is a "const T *", rather
 277         than a "T *const".
 278
 279 2018-03-21  Nathan Sidwell  <nathan@acm.org>
 280
 281         * class.c (finish_struct_anon_r): Refactor, deprecate anything
 282         other than public non-static data members.
 283         * parser.c (cp_parser_init_declarator): Deprecate attributes after
 284         parenthesized initializer.
 285
 286         PR c++/84836
 287         * name-lookup.c (update_binding): Correct logic for local binding
 288         update.
 289
 290 2018-03-21  Marek Polacek  <polacek@redhat.com>
 291
 292         PR c++/71638, ICE with NSDMI and reference.
 293         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
 294         even when we replace an element.
 295
 296 2018-03-20  Marek Polacek  <polacek@redhat.com>
 297
 298         PR c++/84978, ICE with NRVO.
 299         * constexpr.c (cxx_eval_constant_expression): Handle the case when
 300         a RESULT_DECL isn't in the hash map.
 301
 302 2018-03-20  Jason Merrill  <jason@redhat.com>
 303
 304         PR c++/84978, ICE with NRVO.
 305         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
 306         (cp_get_callee_fndecl_nofold): New.
 307         * cp-gimplify.c (cp_genericize_r): Use it instead.
 308         * call.c (check_self_delegation): Likewise.
 309
 310 2018-03-20  Nathan Sidwell  <nathan@acm.org>
 311
 312         PR c++/84962
 313         * name-lookup.c (pushdecl_class_level): Push anon-struct's
 314         member_vec, if there is one.
 315
 316         PR c++/84970
 317         * cp-tree.h (lookup_list_keep): Declare.
 318         * tree.c (lookup_list_keep): New, broken out of ...
 319         (build_min): ... here.  Call it.
 320         * decl.c (cp_finish_decl): Call lookup_list_keep.
 321
 322 2018-03-19  Jason Merrill  <jason@redhat.com>
 323
 324         PR c++/84937 - ICE with class deduction and auto.
 325         * pt.c (rewrite_template_parm): Fix auto handling.
 326
 327 2018-03-19  Marek Polacek  <polacek@redhat.com>
 328
 329         PR c++/84925
 330         * pt.c (enclosing_instantiation_of): Check if fn is null.
 331
 332         PR c++/84927
 333         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
 334         as we evaluate the elements.
 335         (cxx_eval_constant_expression): Verify constructor's flags
 336         unconditionally.
 337
 338 2018-03-19  Jason Merrill  <jason@redhat.com>
 339
 340         PR c++/71834 - template-id with too few arguments.
 341         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
 342
 343 2018-03-19  Nathan Sidwell  <nathan@acm.org>
 344
 345         PR c++/84835
 346         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
 347         * pt.c (build_template_decl): Propagate language linkage.
 348
 349         PR c++/84812
 350         * name-lookup.c (set_local_extern_decl_linkage): Defend against
 351         ambiguous lookups.
 352
 353 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
 354
 355         PR c/84910
 356         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
 357         diagnostics.
 358         * method.c (synthesize_method): Likewise.
 359         * pt.c (convert_nontype_argument): Likewise.
 360
 361 2018-03-16  Jason Merrill  <jason@redhat.com>
 362
 363         PR c++/84720 - ICE with rvalue ref non-type argument.
 364         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
 365         (convert_nontype_argument): Revert earlier change.
 366
 367         PR c++/80227 - SFINAE and negative array size.
 368         * decl.c (compute_array_index_type): Use
 369         build_converted_constant_expr and valid_constant_size_p.
 370
 371         PR c++/84906 - silent wrong code with ambiguous conversion.
 372         * call.c (build_user_type_conversion_1): Set need_temporary_p on
 373         ambiguous conversion.
 374         (convert_like_real): Check it.
 375
 376         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
 377         * call.c (build_special_member_call): Don't convert an init-list
 378         argument directly to the class type.
 379
 380 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
 381
 382         PR c++/79937
 383         PR c++/82410
 384         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
 385         (find_placeholder): Declare.
 386         * tree.c (struct replace_placeholders_t): Add exp member.
 387         (replace_placeholders_r): Don't walk into ctors with
 388         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
 389         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
 390         (replace_placeholders): Initialize data.exp.
 391         (find_placeholders_r, find_placeholders): New functions.
 392         * typeck2.c (process_init_constructor_record,
 393         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
 394         if adding NSDMI on which find_placeholder returns true.
 395         * call.c (build_over_call): Don't call replace_placeholders here.
 396         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
 397         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
 398         TARGET_EXPR_INITIAL.
 399         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
 400         ctor.
 401
 402 2018-03-16  Jason Merrill  <jason@redhat.com>
 403
 404         PR c++/83911 - ICE with multiversioned constructor.
 405         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
 406         dispatchere here.
 407         * call.c (build_over_call): Not here.
 408
 409 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
 410
 411         PR c++/84874
 412         * decl.c (reshape_init_class): Don't assert d->cur->index == field
 413         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
 414
 415 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
 416
 417         PR c++/84222
 418         * cp-tree.h (cp_warn_deprecated_use): Declare.
 419         * tree.c (cp_warn_deprecated_use): New function.
 420         * typeck2.c (build_functional_cast): Use it.
 421         * decl.c (grokparms): Likewise.
 422         (grokdeclarator): Likewise.  Temporarily push nested class scope
 423         around grokparms call for out of class member definitions.
 424
 425 2018-03-14  Jason Merrill  <jason@redhat.com>
 426
 427         PR c++/84820 - no error for invalid qualified-id.
 428         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
 429         cp_error_declarator.
 430
 431         PR c++/84801 - ICE with unexpanded pack in lambda.
 432         * pt.c (check_for_bare_parameter_packs): Don't return early for a
 433         lambda in non-template context.
 434
 435         PR c++/81236 - auto variable and auto function
 436         * pt.c (tsubst_baselink): Update the type of the BASELINK after
 437         mark_used.
 438
 439 2018-03-14  Jason Merrill  <jason@redhat.com>
 440
 441         PR c++/83916 - ICE with template template parameters.
 442         * pt.c (convert_template_argument): Don't substitute into type of
 443         non-type parameter if we don't have enough arg levels.
 444         (unify): Likewise.
 445
 446 2018-03-14  Marek Polacek  <polacek@redhat.com>
 447
 448         PR c++/84596
 449         * semantics.c (finish_static_assert): Check
 450         instantiation_dependent_expression_p instead of
 451         {type,value}_dependent_expression_p.
 452
 453 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
 454             Jason Merrill  <jason@redhat.com>
 455
 456         PR c++/82336 - link error with list-init default argument.
 457         * decl.c (check_default_argument): Unshare an initializer list.
 458
 459 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
 460
 461         PR c++/84843
 462         * decl.c (duplicate_decls): For redefinition of built-in, use error
 463         and return error_mark_node.  For redeclaration, return error_mark_node
 464         rather than olddecl if !flag_permissive.
 465
 466 2018-03-13  Jason Merrill  <jason@redhat.com>
 467
 468         PR c++/82565 - ICE with concepts and generic lambda.
 469         * pt.c (instantiate_decl): Clear fn_context for lambdas.
 470
 471 2018-03-13  Jason Merrill  <jason@redhat.com>
 472
 473         PR c++/84720 - ICE with rvalue ref non-type argument.
 474         * pt.c (convert_nontype_argument): Handle rvalue references.
 475
 476         PR c++/84839 - ICE with decltype of parameter pack.
 477         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
 478         instantiating dummy parms.
 479
 480         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
 481         parameter even without -Wpedantic.
 482
 483         PR c++/84798 - ICE with auto in abstract function declarator.
 484         * parser.c (cp_parser_parameter_declaration_clause): Check
 485         parser->default_arg_ok_p.
 486
 487 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
 488
 489         PR c++/84808
 490         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
 491         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
 492         sizetype.  Formatting fixes.
 493
 494 2018-03-12  Jason Merrill  <jason@redhat.com>
 495
 496         PR c++/84355 - ICE with deduction for member class template.
 497         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
 498         CLASS_PLACEHOLDER_TEMPLATE.
 499
 500         PR c++/84802 - ICE capturing uninstantiated class.
 501         * lambda.c (build_capture_proxy): Call complete_type.
 502
 503 2018-03-09  Jason Merrill  <jason@redhat.com>
 504
 505         PR c++/84770 - ICE with typedef and parameter pack.
 506         * pt.c (verify_unstripped_args_1): Split out from
 507         verify_unstripped_args.
 508
 509         PR c++/84785 - ICE with alias template and default targs.
 510         * pt.c (type_unification_real): Set processing_template_decl if
 511         saw_undeduced == 1.
 512
 513         PR c++/84752 - ICE with capture of constexpr array.
 514         * call.c (standard_conversion): Set rvaluedness_matches_p on the
 515         identity conversion under ck_lvalue.
 516
 517 2018-03-09  Jason Merrill  <jason@redhat.com>
 518             Paolo Carlini  <paolo.carlini@oracle.com>
 519
 520         PR c++/71169
 521         PR c++/71832
 522         * pt.c (any_erroneous_template_args_p): New.
 523         * cp-tree.h (any_erroneous_template_args_p): Declare it.
 524         * parser.c (cp_parser_class_specifier_1): Use it.
 525
 526 2018-03-09  Jason Merrill  <jason@redhat.com>
 527
 528         PR c++/84726 - unnecessary capture of constant vars.
 529         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
 530         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
 531         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
 532         * lambda.c (is_constant_capture_proxy)
 533         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
 534         (prune_lambda_captures): New.
 535         (finish_lambda_function): Call prune_lambda_captures.
 536
 537 2018-03-09  Jason Merrill  <jason@redhat.com>
 538             Jakub Jelinek  <jakub@redhat.com>
 539
 540         PR c++/84076
 541         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
 542         build ADDR_EXPR with REFERENCE_TYPE.
 543         (build_over_call): For purposes of check_function_arguments, if
 544         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
 545         its operand rather than the argument itself.
 546
 547 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
 548
 549         PR c++/84724
 550         * decl.c (duplicate_decls): Don't override __* prefixed builtins
 551         except for __[^b]*_chk, instead issue permerror and for -fpermissive
 552         also a note and return olddecl.
 553
 554 2018-03-09  Nathan Sidwell  <nathan@acm.org>
 555
 556         PR c++/84733
 557         * name-lookup.c (do_pushdecl_with_scope): Only clear
 558         current_function_decl when pushing a non-class (i.e. namespace)
 559         scope.
 560
 561 2018-03-08  Jason Merrill  <jason@redhat.com>
 562             Jakub Jelinek  <jakub@redhat.com>
 563
 564         PR c++/80598
 565         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
 566         not calling mark_used for the benefit of -Wunused-function warning.
 567
 568 2018-03-06  Jason Merrill  <jason@redhat.com>
 569
 570         * lambda.c (is_capture_proxy_with_ref): Remove.
 571         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
 572
 573 2018-03-06  Marek Polacek  <polacek@redhat.com>
 574
 575         PR c++/84684
 576         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
 577         arguments.
 578
 579 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
 580
 581         PR c++/84231
 582         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
 583         only while processing template decls.
 584         * typeck.c (build_x_conditional_expr): Move wrapping of
 585         reference type around type...
 586         * call.c (build_conditional_expr_1): ... here.  Rename
 587         is_lvalue to is_glvalue.
 588         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
 589         INDIRECT_REF of COND_EXPR too.
 590
 591         PR c++/84593
 592         * init.c (build_zero_init_1): Zero-initialize references.
 593
 594         PR c++/84492
 595         * semantics.c (finish_stmt_expr_expr): Reject unresolved
 596         overloads used as stmt expr values.
 597
 598 2018-03-05  Jason Merrill  <jason@redhat.com>
 599
 600         PR c++/84708 - ICE with lambda in local class NSDMI.
 601         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
 602         context.
 603
 604 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
 605
 606         PR c++/84684
 607         * constexpr.c (constexpr_call_hasher::equal): Return false if
 608         lhs->hash != rhs->hash.  Change return 1 to return true and
 609         return 0 to return false.
 610
 611 2018-03-05  Nathan Sidwell  <nathan@acm.org>
 612
 613         PR c++/84702
 614         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
 615
 616 2018-03-05  Marek Polacek  <polacek@redhat.com>
 617
 618         PR c++/84707
 619         * decl.c (duplicate_decls): Check DECL_NAME before accessing
 620         UDLIT_OPER_P.
 621
 622 2018-03-05  Nathan Sidwell  <nathan@acm.org>
 623
 624         PR c++/84694
 625         * friend.c (do_friend): Restore check for identifier_p inside
 626         TEMPLATE_ID_EXPR.
 627
 628 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
 629
 630         PR c++/84618
 631         * parser.c (cp_parser_lambda_introducer): Reject any capture not
 632         involving a VAR_DECL or a PARM_DECL.
 633
 634 2018-03-05  Pádraig Brady  <P@draigBrady.com>
 635             Jason  Merrill  <jason@redhat.com>
 636             Nathan Sidwell  <nathan@acm.org>
 637
 638         PR c++/84497
 639         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
 640
 641 2018-03-03  Jason Merrill  <jason@redhat.com>
 642
 643         PR c++/84686 - missing volatile loads.
 644         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
 645
 646 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
 647
 648         PR c++/71464
 649         * optimize.c (maybe_thunk_body): Bail out immediately if either
 650         fns[0] or fns[1] is null.
 651
 652 2018-03-02  Marek Polacek  <polacek@redhat.com>
 653
 654         PR c++/84578
 655         * constexpr.c (get_array_or_vector_nelts): New.
 656         (cxx_eval_array_reference): Use it.
 657         (cxx_eval_vec_init_1): Likewise.
 658         (cxx_eval_store_expression): Likewise.
 659
 660 2018-03-02  Jason Merrill  <jason@redhat.com>
 661
 662         * semantics.c (force_paren_expr): Remove redundant test.
 663
 664 2018-03-02  Marek Polacek  <polacek@redhat.com>
 665
 666         PR c++/84663
 667         * decl.c (cp_complete_array_type): Check error_mark_node.
 668
 669         PR c++/84664
 670         * typeck.c (cp_perform_integral_promotions): Check the result of
 671         mark_rvalue_use.
 672
 673 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
 674
 675         PR c++/84662
 676         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
 677         RETURN instead of return.
 678         <case POINTER_PLUS_EXPR>: Likewise.
 679         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
 680         it instead of wrapping it into CONVERT_EXPR.
 681
 682 2018-03-02  Jason Merrill  <jason@redhat.com>
 683
 684         Fix MIPS16 ICE.
 685         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
 686
 687 2018-03-02  Marek Polacek  <polacek@redhat.com>
 688
 689         PR c++/84590
 690         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
 691         wrapped in VIEW_CONVERT_EXPR.
 692
 693 2018-03-01  Martin Sebor  <msebor@redhat.com>
 694
 695         PR c++/84294
 696         * decl.c (check_redeclaration_no_default_args): Merge attributes
 697         specified on redeclarations of the same function template.
 698         Remove dead code.
 699
 700 2018-03-01  Marek Polacek  <polacek@redhat.com>
 701             Jason Merrill  <jason@redhat.com>
 702
 703         PR c++/84582
 704         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
 705         a template.
 706         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
 707         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
 708         of instantiate_non_dependent_expr.
 709         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
 710
 711 2018-03-01  Nathan Sidwell  <nathan@acm.org>
 712
 713         PR c++/84434
 714         * name-lookup.c (member_vec_dedup): Remove manually peeled
 715         iteration.  Ignore dependent ctor inheritance.
 716
 717 2018-03-01  Jason Merrill  <jason@redhat.com>
 718
 719         PR c++/71569 - decltype of template.
 720         * parser.c (cp_parser_decltype_expr): Handle missing template args.
 721
 722 2018-03-01  Marek Polacek  <polacek@redhat.com>
 723
 724         PR c++/84596
 725         * constexpr.c (require_rvalue_constant_expression): New function.
 726         * cp-tree.h: Declare it.
 727         * semantics.c (finish_static_assert): Use it instead of
 728         require_potential_rvalue_constant_expression.
 729
 730 2018-03-01  Jason Merrill  <jason@redhat.com>
 731             Alexandre Oliva <aoliva@redhat.com>
 732
 733         PR c++/71569 - ICE with redundant args on member variable template.
 734         * decl.c (start_decl): Handle partial specialization of member
 735         variable template.
 736         * pt.c (determine_specialization): Allow partial specialization
 737         of member variable template without specializing enclosing class.
 738         (process_partial_specialization): Improve error message.
 739
 740 2018-02-28  Jason Merrill  <jason@redhat.com>
 741
 742         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
 743         * pt.c (determine_specialization): Check ref-qualifier.
 744
 745 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
 746
 747         PR c++/84609
 748         * parser.c (cp_parser_attributes_opt): Formatting fix.
 749         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
 750         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
 751         New functions.
 752         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
 753         instead of tentative parse to peek over optional attribute tokens
 754         to check for CPP_COLON after them.
 755
 756         PR c++/83871
 757         PR c++/83503
 758         * pt.c (INCLUDE_STRING): Remove define.
 759         (warn_spec_missing_attributes): Use pretty_printer instead of
 760         std::string.  Fix up inform call so that the list of attributes
 761         is in %s argument.
 762
 763 2018-02-28  Martin Sebor  <msebor@redhat.com>
 764
 765         PR testsuite/84617
 766         * decl.c (duplicate_decls): Fully merge attributes const, pure,
 767         and malloc.
 768
 769 2018-02-28  Nathan Sidwell  <nathan@acm.org>
 770
 771         PR c++/84602
 772         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
 773         * name-lookup.c (fields_linear_search): Look in an anon-aggr
 774         regardless of want_type.
 775         (search_anon_aggr): Just use get_class_binding_direct.
 776
 777 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
 778
 779         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
 780         inform_n.
 781
 782 2018-02-27  Martin Sebor  <msebor@redhat.com>
 783
 784         * pt.c: Avoid including <string> directly.
 785
 786 2018-02-27  Martin Sebor  <msebor@redhat.com>
 787
 788         PR c++/83871
 789         PR c++/83503
 790         * cp-tree.h (warn_spec_missing_attributes): New function.
 791         ((check_explicit_specialization): Add an argument.  Call the above
 792         function.
 793         * decl.c (duplicate_decls): Avoid applying primary function template's
 794         attributes to its explicit specializations.
 795         cp/pt.c (warn_spec_missing_attributes): Define.
 796
 797 2018-02-27  Håkon Sandsmark  <hsandsmark@gmail.com>
 798
 799         PR c++/71546 - lambda init-capture with qualified-id.
 800         * parser.c (cp_parser_lambda_introducer): Clear scope after
 801         each lambda capture.
 802
 803 2018-02-27  Nathan Sidwell  <nathan@acm.org>
 804
 805         PR c++/84426
 806         * name-lookup.h (get_member_slot): Rename ...
 807         (find_member_slot): ... here.
 808         (add_member_slot): New.
 809         * name-lookup.c (member_vec_linear_search): No need to check for
 810         NULL slot.
 811         (get_member_slot): Rename ...
 812         (find_member_slot): ... here.  Don't add slot for incomplete class.
 813         (add_member_slot): New.
 814         * class.c (add_method): Adjust get_member_slot rename.  Bail out
 815         if push_class_level_binding fails.  Create slot and grok
 816         properties once we're committed to insertion.
 817
 818 2018-02-27  Jason Merrill  <jason@redhat.com>
 819
 820         PR c++/84489 - dependent default template argument
 821         * pt.c (type_unification_real): Handle early substitution failure.
 822
 823 2018-02-26  Jason Merrill  <jason@redhat.com>
 824
 825         PR c++/84560 - ICE capturing multi-dimensional VLA.
 826         * tree.c (array_of_runtime_bound_p): False if the element is
 827         variably-modified.
 828
 829         PR c++/84441 - ICE with base initialized from ?:
 830         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
 831
 832         PR c++/84520 - ICE with generic lambda in NSDMI.
 833         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
 834         'this' in a generic lambda instantiation.
 835
 836         PR c++/84559 - ICE with constexpr VLA.
 837         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
 838         for constexpr variable with VLA type.
 839
 840 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
 841
 842         PR c++/84558
 843         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
 844         a valid constant initializer.  Formatting fixes.
 845
 846 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
 847
 848         PR c++/84540
 849         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
 850         returning NULL_TREE.
 851         (apply_late_template_attributes): Likewise.
 852
 853 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
 854
 855         PR c++/84557
 856         * parser.c (cp_parser_omp_var_list_no_open): Only call
 857         cp_parser_lookup_name_simple on names satisfying identifier_p.
 858         (cp_parser_oacc_routine): Likewise.
 859
 860 2018-02-26  Jason Merrill  <jason@redhat.com>
 861
 862         PR c++/84551 - ICE with concepts and -g.
 863         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
 864
 865 2018-02-26  Marek Polacek  <polacek@redhat.com>
 866
 867         PR c++/84325
 868         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
 869         non-types.
 870
 871 2018-02-26  Jason Merrill  <jason@redhat.com>
 872
 873         PR c++/84447 - ICE with deleted inherited ctor with default arg.
 874         * call.c (build_over_call): Handle deleted functions in one place.
 875
 876 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
 877
 878         PR c++/84533
 879         * decl.c (redeclaration_error_message): Don't try to use
 880         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
 881
 882 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
 883
 884         * lambda.c (build_capture_proxy): Define static.
 885         * cp-tree.h (build_capture_proxy): Remove.
 886
 887 2018-02-26  Marek Polacek  <polacek@redhat.com>
 888
 889         PR c++/84537
 890         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
 891         if name is error node.
 892
 893 2018-02-25  Jason Merrill  <jason@redhat.com>
 894
 895         PR c++/84015 - ICE with class deduction and auto template parm.
 896         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
 897
 898 2018-02-24  Marek Polacek  <polacek@redhat.com>
 899
 900         PR c++/83692
 901         * constexpr.c (maybe_constant_init_1): New function.
 902         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
 903         (cxx_constant_init): New function.
 904         * cp-tree.h (cxx_constant_init): Declare.
 905         * typeck2.c (store_init_value): Call cxx_constant_init instead of
 906         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
 907
 908 2018-02-22  Jason Merrill  <jason@redhat.com>
 909
 910         PR c++/70468 - ICE with constructor delegation via typedef.
 911         * pt.c (tsubst_initializer_list): Check for other mem-initializers
 912         with constructor delegation.
 913
 914 2018-02-22  Jason Merrill  <jason@redhat.com>
 915
 916         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
 917         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
 918         VECTOR_TYPE.
 919
 920 2018-02-22  Marek Polacek  <polacek@redhat.com>
 921
 922         PR c++/84493
 923         * parser.c (cp_parser_braced_list): Use require_open instead of
 924         consume_open.
 925
 926 2018-02-21  Jason Merrill  <jason@redhat.com>
 927
 928         PR c++/84454 - ICE with pack expansion in signature.
 929         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
 930
 931 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
 932
 933         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
 934         IF_STMT.
 935
 936 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
 937
 938         PR c++/84446
 939         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
 940         on error_mark_node.
 941
 942 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
 943
 944         PR c++/84445
 945         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
 946         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
 947
 948         PR c++/84449
 949         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
 950         returns error_mark_node, return it immediately.
 951         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
 952         error_mark_node, return error_mark_node.
 953
 954         PR c++/84455
 955         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
 956         function_depth to avoid GC during finish_lambda_function.
 957
 958 2018-02-19  Jason Merrill  <jason@redhat.com>
 959
 960         PR c++/84429 - ICE capturing VLA.
 961         * lambda.c (build_capture_proxy): Handle reference refs.
 962
 963 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
 964
 965         PR c++/84448
 966         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
 967         either operand is error_mark_node, set current.lhs to that instead of
 968         creating a binary op with error_mark_node operands.
 969
 970         PR c++/84430
 971         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
 972
 973 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
 974
 975         PR c++/84348
 976         * decl.c (grokdeclarator): Early return error_mark_node upon
 977         ill-formed friend declaration.
 978
 979 2018-02-16  Marek Polacek  <polacek@redhat.com>
 980             Jakub Jelinek  <jakub@redhat.com>
 981
 982         PR c++/84192
 983         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
 984         set *jump_target to anything if jump_target is NULL.
 985
 986 2018-02-16  Jason Merrill  <jason@redhat.com>
 987
 988         PR c++/84151 - unnecessary volatile load with static member.
 989         * call.c (build_new_method_call_1): Avoid loading from a volatile
 990         lvalue used as the object argument for a static member function.
 991
 992         PR c++/81853 - using-directive and constexpr.
 993         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
 994
 995         PR c++/84420 - ICE with structured binding in lambda.
 996         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
 997
 998         PR c++/83835 - C++17 error with constructor ctors.
 999         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1000
1001         PR c++/82664 - ICE with reference to function template parm.
1002         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1003         NOP_EXPRs.
1004
1005         PR c++/82764 - C++17 ICE with empty base
1006         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1007
1008 2018-02-16  Jason Merrill  <jason@redhat.com>
1009
1010         PR c++/84421 - type-dependent if constexpr
1011         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1012
1013 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1014
1015         Deprecate -ffriend-injection.
1016         * decl.c (cxx_init_decl_processing): Emit warning on option.
1017         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1018         friend.
1019
1020 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1021
1022         PR c++/82468
1023         * decl.c (check_special_function_return_type): Reject template
1024         template parameter in deduction guide.
1025
1026 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1027
1028         PR c++/84375
1029         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1030
1031 2018-02-15  Jason Merrill  <jason@redhat.com>
1032
1033         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1034         * call.c (convert_like_real): Don't use the copy-list-initialization
1035         shortcut for ck_base.
1036
1037         PR c++/84045 - ICE with typedef and noexcept.
1038         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1039
1040         PR c++/84376 - ICE with omitted template arguments.
1041         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1042
1043         PR c++/84368 - wrong error with local variable in variadic lambda.
1044         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1045         local_specializations.
1046
1047 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1048
1049         PR c++/84330
1050         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1051         as first argument.
1052
1053 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1054
1055         PR c++/84350
1056         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1057         init, early return.
1058
1059 2018-02-14  Nathan Sidwell  <nathan@acm.org>
1060
1061         * decl2.c (mark_vtable_entries): Set input_location to decl's.
1062         (c_parse_final_cleanups): Restore input_location after emitting
1063         vtables.
1064
1065 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1066
1067         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1068         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1069         auto_deduction_context, tree, int): Add defaults.
1070         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1071         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1072         tsubst_flags_t argument.
1073         * init.c (build_new): Likewise.
1074
1075 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
1076
1077         PR c++/84364
1078         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1079         about return other than *this in assignment operators if
1080         retval is type dependent expression.
1081
1082 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
1083
1084         PR c++/84333
1085         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1086         save_expr for the G++ extension.
1087
1088 2018-02-13  Jason Merrill  <jason@redhat.com>
1089
1090         PR c++/84080 - ICE with return type deduction and specialization.
1091         * pt.c (determine_specialization): Check uses_template_parms.
1092
1093         Fix more variadic capture issues.
1094         * pt.c (find_parameter_packs_r): Also look at explicit captures.
1095         (check_for_bare_parameter_packs): Check current_class_type for
1096         lambda context.
1097         (extract_locals_r): Handle seeing a full instantiation of a pack.
1098         (tsubst_pack_expansion): Likewise.  Force lambda capture.
1099         * parser.c (cp_parser_lambda_introducer): Don't
1100         check_for_bare_parameter_packs.
1101
1102         PR c++/84338 - wrong variadic sizeof.
1103         * pt.c (argument_pack_select_arg): Like the macro, but look through
1104         a pack expansion.
1105         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1106         (extract_fnparm_pack): Do make_pack_expansion.
1107         (extract_locals_r): Do strip a pack expansion.
1108         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1109
1110 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
1111
1112         PR c++/84341
1113         * parser.c (cp_parser_binary_expression): Use build_min instead of
1114         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1115
1116 2018-02-12  Nathan Sidwell  <nathan@acm.org>
1117
1118         PR c++/84263
1119         * parser.c (cp_parser_decltype): Push and pop
1120         deferring_access_checks.  Reorganize to avoid goto.
1121
1122 2018-02-12  Richard Biener  <rguenther@suse.de>
1123
1124         PR c++/84281
1125         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1126         uniform constructors and delay allocating them fully.
1127
1128 2018-02-09  Jason Merrill  <jason@redhat.com>
1129
1130         PR c++/84036 - ICE with variadic capture.
1131         Handle variadic capture proxies more like non-variadic.
1132         * lambda.c (build_capture_proxy): Remove workaround.
1133         * pt.c (find_parameter_packs_r): The proxy is a pack.
1134         (instantiate_class_template_1): Remove dead lambda code.
1135         (extract_fnparm_pack): Don't make_pack_expansion.
1136         (extract_locals_r): Don't strip a pack expansion.
1137         (tsubst_pack_expansion): Handle proxy packs.  Use
1138         PACK_EXPANSION_EXTRA_ARGS less.
1139         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1140         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1141         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1142         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1143         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1144
1145 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
1146
1147         PR sanitizer/83987
1148         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1149
1150 2018-02-09  Jason Merrill  <jason@redhat.com>
1151
1152         PR c++/81917 - ICE with void_t and partial specialization.
1153         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1154         calling most_specialized_partial_spec.
1155
1156 2018-02-09  Nathan Sidwell  <nathan@acm.org>
1157
1158         PR c/84293
1159         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1160         Pass expr location to strict_aliasing_warning.
1161
1162 2018-02-09  Jason Merrill  <jason@redhat.com>
1163
1164         PR c++/84296 - ICE with qualified-id in template.
1165         PR c++/83714
1166         * pt.c (unknown_base_ref_p): New.
1167         (instantiation_dependent_scope_ref_p): Use it instead of
1168         any_dependent_bases_p.
1169
1170 2018-02-09  Marek Polacek  <polacek@redhat.com>
1171             Jakub Jelinek  <jakub@redhat.com>
1172
1173         PR c++/83659
1174         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
1175         fold_indirect_ref_1, including poly_*int64.  Verify first that
1176         tree_fits_poly_int64_p (op01).  Formatting fixes.
1177
1178 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
1179
1180         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
1181         * lambda.c (build_capture_proxy): Likewise.
1182         * search.c (field_access_p): Likewise.
1183         * semantics.c (omp_clause_decl, omp_privatize_field,
1184         finish_omp_clauses): Likewise.
1185
1186 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
1187
1188         PR c++/83806
1189         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
1190         case of nullptr too.
1191
1192 2018-02-08  Nathan Sidwell  <nathan@acm.org>
1193
1194         * class.c (finish_struct): Fix std:initializer_list diagnostic
1195         formatting.
1196
1197 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
1198
1199         PR c++/83204
1200         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
1201
1202 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
1203
1204         PR c++/84082
1205         * parser.c (cp_parser_dot_deref_incomplete): New function.
1206         (cp_parser_postfix_dot_deref_expression): Use it.
1207
1208 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
1209
1210         PR c++/81610
1211         PR c++/80567
1212         * name-lookup.c (suggest_rid_p): New function.
1213         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
1214         suggest_rid_p.
1215
1216 2018-02-07  Jason Merrill  <jason@redhat.com>
1217
1218         PR c++/84182 - ICE with captured lambda
1219         PR c++/84181
1220         * pt.c (extract_locals_r, extract_local_specs): New.
1221         (tsubst_pack_expansion): Use them.
1222
1223 2018-02-07  Martin Liska  <mliska@suse.cz>
1224
1225         PR c++/84059.
1226         * class.c (add_method): Append argument value.
1227         * cp-tree.h (maybe_version_functions): Add new argument.
1228         * decl.c (decls_match): Call it if a declaration does not
1229         have DECL_FUNCTION_VERSIONED.
1230         (maybe_version_functions): record argument is added.
1231
1232 2018-02-05  Marek Polacek  <polacek@redhat.com>
1233
1234         * class.c: Remove unused global variables.
1235         (build_primary_vtable): Don't gather statistics.
1236         (print_class_statistics): Remove.
1237         * cp-tree.h (print_class_statistics): Remove.
1238         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
1239
1240 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
1241
1242         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
1243         * constexpr.c (cx_check_missing_mem_inits): Likewise.
1244         * decl.c (next_initializable_field, find_decomp_class_base,
1245         cp_finish_decomp): Likewise.
1246         * typeck2.c (process_init_constructor_record): Likewise.
1247
1248 2018-02-02  Jason Merrill  <jason@redhat.com>
1249
1250         PR c++/84181 - ICE with lambda parm in template argument.
1251         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
1252
1253 2018-02-01  Jason Merrill  <jason@redhat.com>
1254
1255         PR c++/84160 - ICE with nested variadic capture.
1256         * lambda.c (is_capture_proxy_with_ref): New.
1257         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
1258         COMPONENT_REF.
1259         * expr.c (mark_use): Use is_capture_proxy_with_ref.
1260         * constexpr.c (potential_constant_expression_1): Likewise.
1261         * semantics.c (process_outer_var_ref): Likewise.
1262
1263 2018-02-01  Marek Polacek  <polacek@redhat.com>
1264
1265         PR c++/84125
1266         * typeck.c (build_address): Relax the assert when
1267         processing_template_decl.
1268
1269 2018-02-01  Jason Merrill  <jason@redhat.com>
1270
1271         PR c++/84126 - ICE with variadic generic lambda
1272         PR c++/84036
1273         PR c++/82249
1274         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
1275         PACK_EXPANSION_EXTRA_ARGS.
1276
1277 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
1278
1279         PR c++/83796
1280         * call.c (convert_like_real): If w're initializing from {} explicitly
1281         call abstract_virtuals_error_sfinae.
1282
1283 2018-01-31  Jason Merrill  <jason@redhat.com>
1284             Jakub Jelinek  <jakub@redhat.com>
1285
1286         PR c++/83993
1287         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
1288         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
1289         on ADDR_EXPR.
1290
1291 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1292
1293         PR c++/83993
1294         * constexpr.c (diag_array_subscript): Emit different diagnostics
1295         if TYPE_DOMAIN (arraytype) is NULL.
1296         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
1297         with NULL TYPE_DOMAIN use size_zero_node as nelts.
1298
1299 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
1300
1301         PR c++/84092
1302         * semantics.c (finish_qualified_id_expr): When handling an
1303         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
1304
1305 2018-01-31  Marek Polacek  <polacek@redhat.com>
1306
1307         PR c++/84138
1308         * cp-gimplify.c (cp_fold): Check if X is an error node before
1309         calling useless_type_conversion_p.
1310
1311 2018-01-30  Jason Merrill  <jason@redhat.com>
1312
1313         PR c++/84091 - ICE with local class in lambda in template.
1314         * decl2.c (determine_visibility): Look for outer containing template
1315         instantiation.
1316
1317         PR c++/84098 - ICE with lambda in template NSDMI.
1318         * pt.c (instantiate_class_template_1): Ignore more lambdas.
1319
1320 2018-01-29  Jason Merrill  <jason@redhat.com>
1321
1322         PR c++/68810 - wrong location for reinterpret_cast error.
1323         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
1324         !dofold.
1325
1326 2018-01-29  Marek Polacek  <polacek@redhat.com>
1327
1328         PR c++/83996
1329         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
1330         => fooarray[1] in offset_int.
1331
1332 2018-01-29  Jason Merrill  <jason@redhat.com>
1333
1334         PR c++/83942 - wrong unused warning with static_cast.
1335         * cvt.c (ocp_convert): Call mark_rvalue_use.
1336
1337 2018-01-26  Jason Merrill  <jason@redhat.com>
1338
1339         PR c++/83956 - wrong dtor error with anonymous union
1340         * method.c (walk_field_subobs): Variant members only affect
1341         deletedness.
1342         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
1343
1344         PR c++/84036 - ICE with variadic capture.
1345         PR c++/82249
1346         * pt.c (tsubst_pack_expansion): When optimizing a simple
1347         substitution, pull a single pack expansion out of its pack.
1348
1349         PR c++/82514 - ICE with local class in generic lambda.
1350         * pt.c (regenerated_lambda_fn_p): Remove.
1351         (enclosing_instantiation_of): Don't use it.
1352         (tsubst_function_decl): Call enclosing_instantiation_of.
1353
1354         * pt.c (lookup_template_class_1): Add sanity check.
1355         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
1356
1357 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
1358
1359         PR c++/84031
1360         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
1361         recursive calls that return ret.
1362         (cp_finish_decomp): Ignore unnamed bitfields.
1363
1364 2018-01-23  Jason Merrill  <jason@redhat.com>
1365
1366         PR c++/82249 - wrong mismatched pack length error.
1367         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
1368         unsubstituted function parameter pack.
1369
1370 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
1371
1372         PR c++/83921
1373         * decl.c (check_for_uninitialized_const_var): Not static; add
1374         bool and tsubst_flags_t parameters; adjust to be used both in
1375         constexpr context and not.
1376         * constexpr.c (potential_constant_expression_1): Use the above.
1377         * cp-tree.h (check_for_uninitialized_const_var): Declare.
1378
1379 2018-01-23  Jason Merrill  <jason@redhat.com>
1380
1381         PR c++/83947 - ICE with auto declarations.
1382         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
1383         * decl.c (undeduced_auto_decl): Limit to vars and fns.
1384
1385 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
1386
1387         PR c++/83974
1388         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
1389         for pointer to member function types.
1390
1391 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
1392
1393         PR sanitizer/83987
1394         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
1395         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
1396
1397 2018-01-23  Nathan Sidwell  <nathan@acm.org>
1398
1399         PR c++/83988
1400         * pt.c (tsubst_baselink): Remove optype assert.
1401         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
1402
1403 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
1404
1405         PR c++/83958
1406         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
1407         refers to incomplete type.
1408
1409 2018-01-23  Nathan Sidwell  <nathan@acm.org>
1410
1411         Deprecate ARM-era for scope handling
1412         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
1413         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
1414         cleared.
1415         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
1416         cleanup handling.
1417         * semantics.c (begin_for_scope): Flag_new_for_scope is
1418         boolean-like.
1419         (finish_for_stmt, begin_range_for_stmt): Likewise.
1420
1421 2018-01-22  Jason Merrill  <jason@redhat.com>
1422
1423         PR c++/83720
1424         * decl2.c (determine_visibility): Fix template_decl handling
1425         instead of blocking it.
1426
1427         PR c++/83720 - ICE with lambda and LTO.
1428         * decl2.c (determine_visibility): Clear template_decl for
1429         function-scope decls.  Propagate anonymous linkage from containing
1430         function.
1431
1432 2018-01-22  Marek Polacek  <polacek@redhat.com>
1433
1434         PR c++/81933
1435         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
1436         split out anything.
1437
1438 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
1439
1440         PR c++/83895
1441         * decl.c (grokdeclarator): Don't diagnose extra parens
1442         on typedefs.
1443
1444 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
1445
1446         PR c++/81167
1447         * call.c (joust): Use TREE_TYPE (source) if source is
1448         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
1449
1450         PR c++/83919
1451         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
1452         for direct enum init.
1453         * decl.c (reshape_init): Likewise.
1454
1455 2018-01-19  Marek Polacek  <polacek@redhat.com>
1456
1457         * constexpr.c (fold_simple): Simplify.
1458
1459 2018-01-18  Jason Merrill  <jason@redhat.com>
1460
1461         PR c++/83714
1462         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
1463         * pt.c (instantiation_dependent_scope_ref_p): True if
1464         any_dependent_bases_p.
1465
1466 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
1467
1468         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
1469         vs DECL_NONTRIVIALLY_INITIALIZED_P).
1470
1471 2018-01-18  Jason Merrill  <jason@redhat.com>
1472
1473         PR c++/82461 - constexpr list-initialized member
1474         * constexpr.c (potential_constant_expression_1): Check
1475         TARGET_EXPR_DIRECT_INIT_P.
1476
1477 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
1478
1479         PR c++/81013
1480         * decl.c (xref_basetypes): Early return upon error about derived
1481         union.
1482
1483 2018-01-18  Nathan Sidwell  <nathan@acm.org>
1484
1485         PR c++/83160
1486         * cp-tree.h (mark_use): Declare.
1487         * expr.c (mark_use): Make extern.
1488         * call.c (direct_reference_binding): Set inner conv's
1489         rvaluedness_matches_p, if it is an identity.
1490         (convert_like_real): Mark lvalue or rvalue use for identity as
1491         rvaledness_matches_p demands.
1492
1493 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
1494
1495         PR c++/83824
1496         * parser.c (attr_chainon): New function.
1497         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
1498         cp_parser_namespace_definition, cp_parser_init_declarator,
1499         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
1500         cp_parser_gnu_attributes_opt): Use it.
1501         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
1502         cp_parser_objc_struct_declaration): Likewise.  Don't reset
1503         prefix_attributes if attributes is error_mark_node.
1504
1505 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
1506
1507         PR c++/78344
1508         * decl.c (grokdeclarator): Do not append the error_mark_node
1509         due to an erroneous optional attribute-specifier-seq.
1510
1511 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
1512
1513         PR c++/83897
1514         * cp-gimplify.c (cp_maybe_instrument_return): Handle
1515         CLEANUP_POINT_EXPR.
1516
1517 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
1518
1519         PR c++/81054
1520         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
1521         error_mark_node when we give an error.
1522         * decl.c (cp_finish_decl): Use the latter.
1523
1524 2018-01-17  Nathan Sidwell  <nathan@acm.org>
1525
1526         PR c++/83287
1527         * init.c (build_raw_new_expr): Scan list for lookups to keep.
1528
1529 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
1530
1531         PR c++/83814
1532         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
1533         the C++ part.  If processing a template, call
1534         fold_non_dependent_expr rather than fully folding.
1535
1536 2018-01-17  Jason Merrill  <jason@redhat.com>
1537
1538         PR c++/81067 - redundant NULL warning.
1539         * call.c (convert_like_real): Restore null_node handling.
1540
1541 2018-01-17  Jason Merrill  <jason@redhat.com>
1542
1543         PR c++/81843 - ICE with variadic member template.
1544         PR c++/72801
1545         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
1546         template args.
1547
1548 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
1549
1550         PR c++/83799
1551         * pt.c (type_dependent_expression_p): Strip any location wrapper
1552         before testing tree codes.
1553         (selftest::test_type_dependent_expression_p): New function.
1554         (selftest::cp_pt_c_tests): Call it.
1555
1556 2018-01-17  Nathan Sidwell  <nathan@acm.org>
1557
1558         PR c++/83739
1559         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
1560         this not a final instantiation.
1561
1562 2018-01-16  Jason Merrill  <jason@redhat.com>
1563
1564         PR c++/83714 - ICE checking return in template.
1565         * typeck.c (check_return_expr): Call build_non_dependent_expr.
1566
1567 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
1568
1569         PR c++/83817
1570         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
1571         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
1572         instead of CALL_FROM_THUNK_P.
1573
1574         PR c++/83825
1575         * name-lookup.c (member_vec_dedup): Return early if len is 0.
1576         (resort_type_member_vec, set_class_bindings,
1577         insert_late_enum_def_bindings): Use vec qsort method instead of
1578         calling qsort directly.
1579
1580 2018-01-15  Martin Sebor  <msebor@redhat.com>
1581
1582         PR c++/83588
1583         * class.c (find_flexarrays): Make a record of multiple flexible array
1584         members.
1585
1586 2018-01-12  Jason Merrill  <jason@redhat.com>
1587
1588         PR c++/83186 - ICE with static_cast of list-initialized temporary.
1589         * typeck.c (build_static_cast): Use build_non_dependent_expr.
1590
1591 2018-01-12  Nathan Sidwell  <nathan@acm.org>
1592
1593         * cp-tree.h (mark_rvalue_use): Add parm name.
1594         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
1595         mark_rvalue_use.
1596         * call.c (convert_like_real): Fix formatting.
1597
1598 2018-01-11  Jason Merrill  <jason@redhat.com>
1599
1600         PR c++/82728 - wrong -Wunused-but-set-variable
1601         PR c++/82799
1602         PR c++/83690
1603         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
1604         * decl.c (case_conversion): Likewise.
1605         * semantics.c (finish_static_assert): Call
1606         perform_implicit_conversion_flags.
1607
1608 2018-01-11  Nathan Sidwell  <nathan@acm.org>
1609
1610         * method.c (enum mangling_flags): Delete long-dead enum.
1611
1612 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
1613
1614         * parser.c (cp_parser_std_attribute_spec): When
1615         token_pair::require_open / require_close return false simply
1616         return error_mark_node, avoid duplicate cp_parser_error about
1617         expected '(' / ')', respectively.
1618
1619 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
1620
1621         PR c++/43486
1622         * call.c (null_ptr_cst_p): Strip location wrappers when
1623         converting from '0' to a pointer type in C++11 onwards.
1624         (conversion_null_warnings): Replace comparison with null_node with
1625         call to null_node_p.
1626         (build_over_call): Likewise.
1627         * cp-gimplify.c (cp_fold): Remove the early bailout when
1628         processing_template_decl.
1629         * cp-lang.c (selftest::run_cp_tests): Call
1630         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
1631         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
1632         (selftest::run_cp_tests): Move decl to bottom of file.
1633         (null_node_p): New inline function.
1634         (selftest::cp_pt_c_tests): New decl.
1635         (selftest::cp_tree_c_tests): New decl.
1636         * cvt.c (build_expr_type_conversion): Replace comparison with
1637         null_node with call to null_node_p.
1638         * error.c (args_to_string): Likewise.
1639         * except.c (build_throw): Likewise.
1640         * mangle.c (write_expression): Skip location wrapper nodes.
1641         * parser.c (literal_integer_zerop): New function.
1642         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
1643         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
1644         param of cp_parser_parenthesized_expression_list.  When calling
1645         warn_for_memset, replace integer_zerop calls with
1646         literal_integer_zerop, eliminating the double logical negation
1647         cast to bool.  Eliminate the special-casing for CONST_DECL in
1648         favor of the fold_for_warn within warn_for_memset.
1649         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
1650         param, defaulting to false.  Convert "expr" to a cp_expr, and call
1651         maybe_add_location_wrapper on it when wrap_locations_p is true.
1652         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
1653         the result for RID_ALIGNOF and RID_SIZEOF.
1654         (cp_parser_builtin_offsetof): Likewise.
1655         * pt.c: Include "selftest.h".
1656         (tsubst_copy): Handle location wrappers.
1657         (tsubst_copy_and_build): Likewise.
1658         (build_non_dependent_expr): Likewise.
1659         (selftest::test_build_non_dependent_expr): New function.
1660         (selftest::cp_pt_c_tests): New function.
1661         * tree.c: Include "selftest.h".
1662         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
1663         (selftest::test_lvalue_kind): New function.
1664         (selftest::cp_tree_c_tests): New function.
1665         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
1666         (cp_build_binary_op): Replace comparison with null_node with call
1667         to null_node_p.
1668         (build_address): Use location of operand when building address
1669         expression.
1670
1671 2018-01-10  Marek Polacek  <polacek@redhat.com>
1672
1673         PR c++/82541
1674         * call.c (build_conditional_expr_1): Check complain before warning.
1675         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
1676         -Wduplicated-branches.
1677
1678 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR c++/81327
1681         * call.c (maybe_warn_class_memaccess): Add forward declaration.
1682         Change last argument from tree * to const vec<tree, va_gc> *, adjust
1683         args uses and check number of operands too.  Don't strip away any
1684         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
1685         Deal with src argument not having pointer type.  Check
1686         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
1687         test.
1688         (build_over_call): Call maybe_warn_class_memaccess here on the
1689         original arguments.
1690         (build_cxx_call): Rather than here on converted arguments.
1691
1692 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
1693
1694         PR c++/81055
1695         * init.c (build_vec_init): Avoid building an INIT_EXPR with
1696         error_mark_node as second argument.
1697
1698 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
1699
1700         PR c++/83734
1701         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
1702         in STATEMENT_LIST.  Remove unneeded assert.
1703
1704 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1705             Alan Hayward  <alan.hayward@arm.com>
1706             David Sherwood  <david.sherwood@arm.com>
1707
1708         * constexpr.c (cxx_eval_array_reference): Handle polynomial
1709         VECTOR_CST_NELTS.
1710         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
1711         * call.c (build_conditional_expr_1): Likewise.
1712         * decl.c (cp_finish_decomp): Likewise.
1713         * mangle.c (write_type): Likewise.
1714         * typeck.c (structural_comptypes): Likewise.
1715         (cp_build_binary_op): Likewise.
1716         * typeck2.c (process_init_constructor_array): Likewise.
1717
1718 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1719
1720         PR c++/83555
1721         * typeck.c (build_static_cast_1): For static casts to reference types,
1722         call build_base_path with flag_delete_null_pointer_checks as nonnull
1723         instead of always false.  When -fsanitize=null, call
1724         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
1725         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
1726         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
1727
1728 2018-01-03  Nathan Sidwell  <nathan@acm.org>
1729
1730         PR c++/83667
1731         * method.c (make_alias_for): Copy DECL_CONTEXT.
1732
1733 2018-01-03  Marek Polacek  <polacek@redhat.com>
1734
1735         PR c++/83592
1736         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
1737
1738 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR preprocessor/83602
1741         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
1742         for builtin macros.
1743
1744         PR c++/83634
1745         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
1746         error_mark_node, return error_mark_node.
1747
1748         Update copyright years.
1749
1750 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR c++/83556
1753         * tree.c (replace_placeholders_r): Pass NULL as last argument to
1754         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
1755         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
1756         to false and return.
1757         (replace_placeholders): Pass NULL instead of &pset as last argument
1758         to cp_walk_tree.
1759
1760 2018-01-02  Nathan Sidwell  <nathan@acm.org>
1761
1762         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
1763         lval var.
1764 \f
1765 Copyright (C) 2018 Free Software Foundation, Inc.
1766
1767 Copying and distribution of this file, with or without modification,
1768 are permitted in any medium without royalty provided the copyright
1769 notice and this notice are preserved.