gcc/cp/ChangeLog

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