gcc/cp/ChangeLog

   1 2021-10-04  Marek Polacek  <polacek@redhat.com>
   2
   3         PR c++/97573
   4         * typeck.c (cp_build_binary_op): Call do_warn_array_compare.
   5
   6 2021-10-03  Iain Sandoe  <iain@sandoe.co.uk>
   7
   8         PR c++/101765
   9         * coroutines.cc (register_local_var_uses): Emit a sorry if
  10         we encounter a VLA in the coroutine local variables.
  11
  12 2021-10-03  Iain Sandoe  <iain@sandoe.co.uk>
  13
  14         PR c++/99710
  15         * coroutines.cc (await_statement_walker): Report an error if
  16         an await expression is found in a handler body.
  17
  18 2021-10-03  John Eivind Helset  <jehelset@gmail.com>
  19
  20         PR c++/100673
  21         * coroutines.cc (build_co_await): Guard against NULL
  22         await_suspend types.
  23
  24 2021-10-03  Iain Sandoe  <iain@sandoe.co.uk>
  25
  26         PR c++/101133
  27         * coroutines.cc (build_co_await): Mark co_await_expr trees
  28         with TREE_SIDE_EFFECTS, also mark any containing expression.
  29         (finish_co_await_expr): Mark type-dependent co_await_expr
  30         trees with TREE_SIDE_EFFECTS.
  31
  32 2021-10-03  Iain Sandoe  <iain@sandoe.co.uk>
  33
  34         PR c++/99575
  35         * coroutines.cc (build_co_await): Strip NOPs from
  36         candidate awaiter expressions before testing to see
  37         if they need a temporary.
  38
  39 2021-10-01  Martin Sebor  <msebor@redhat.com>
  40
  41         PR c/102103
  42         * typeck.c (warn_for_null_address): Enhance.
  43         (cp_build_binary_op): Call it also for member pointers.
  44
  45 2021-10-01  qingzhe huang  <nickhuang99@hotmail.com>
  46
  47         PR c++/101783
  48         * tree.c (cp_build_qualified_type_real): Exclude typedef from
  49         error.
  50
  51 2021-10-01  Jakub Jelinek  <jakub@redhat.com>
  52             Richard Biener  <rguenther@suse.de>
  53
  54         PR sanitizer/102515
  55         * typeck.c (cp_build_binary_op): Call ubsan_instrument_division
  56         for division even for SANITIZE_SI_OVERFLOW.
  57
  58 2021-10-01  Jakub Jelinek  <jakub@redhat.com>
  59
  60         * parser.c (cp_parser_omp_clause_order): Set
  61         OMP_CLAUSE_ORDER_REPRODUCIBLE for explicit reproducible: modifier.
  62
  63 2021-10-01  Jakub Jelinek  <jakub@redhat.com>
  64
  65         PR c++/102496
  66         * name-lookup.c (push_local_extern_decl_alias): Return early even for
  67         tls vars with non-dependent type when processing_template_decl.  For
  68         CP_DECL_THREAD_LOCAL_P vars call set_decl_tls_model on alias.
  69
  70 2021-09-30  Patrick Palka  <ppalka@redhat.com>
  71
  72         PR c++/102535
  73         * method.c (is_xible_helper): Don't exit early for multi-arg
  74         ctors in C++20.
  75
  76 2021-09-30  Patrick Palka  <ppalka@redhat.com>
  77
  78         * parser.c (cp_parser_trait_expr): Call nreverse on the reversed
  79         list of trailing arguments.
  80
  81 2021-09-30  Patrick Palka  <ppalka@redhat.com>
  82
  83         PR c++/95567
  84         * method.c (build_comparison_op): Skip DECL_VIRTUAL_P fields.
  85
  86 2021-09-28  Patrick Palka  <ppalka@redhat.com>
  87
  88         PR c++/99909
  89         * pt.c (coerce_template_template_parms): Keep
  90         processing_template_decl set around the call to unify as well.
  91
  92 2021-09-28  Iain Sandoe  <iain@sandoe.co.uk>
  93
  94         PR c++/102454
  95         * coroutines.cc (analyze_fn_parms): Clean up synthetic names for
  96         unnamed function params.
  97         (morph_fn_to_coro): Do not try to set a guard variable for param
  98         DTORs in the ramp, unless we have exceptions active.
  99
 100 2021-09-27  Patrick Palka  <ppalka@redhat.com>
 101
 102         PR c++/102479
 103         * pt.c (rewrite_template_parm): Handle single-level tsubst_args.
 104         Avoid a tree cycle when assigning the DECL_TEMPLATE_PARMS for a
 105         rewritten ttp.
 106         (alias_ctad_tweaks): Set current_template_parms accordingly.
 107
 108 2021-09-23  Michel Morin  <mimomorin@gmail.com>
 109
 110         * parser.c (cp_keyword_starts_decl_specifier_p): Do not
 111         handle RID_ATTRIBUTE.
 112         (cp_parser_constructor_declarator_p): Remove now-redundant
 113         checks.
 114         (cp_parser_lambda_declarator_opt): Likewise.
 115
 116 2021-09-23  Michel Morin  <mimomorin@gmail.com>
 117
 118         PR c++/77565
 119         * parser.c (cp_keyword_starts_decl_specifier_p): Handle more
 120         decl-specifiers (typedef/inline/cv/explicit/virtual/friend).
 121
 122 2021-09-23  Patrick Palka  <ppalka@redhat.com>
 123
 124         * ptree.c (cxx_print_decl): Dump the DECL_TEMPLATE_RESULT of
 125         a TEMPLATE_DECL.  Dump the DECL_TEMPLATE_INFO rather than just
 126         printing its pointer value.
 127
 128 2021-09-23  Jakub Jelinek  <jakub@redhat.com>
 129
 130         PR c++/102413
 131         * parser.c (cp_parser_omp_directive_args): Diagnose if omp::directive
 132         is not followed by a balanced token sequence starting with open paren.
 133
 134 2021-09-22  Patrick Palka  <ppalka@redhat.com>
 135
 136         DR 2446
 137         PR c++/102412
 138         * constexpr.c (cxx_eval_constant_expression)
 139         <case TEMPLATE_ID_EXPR>: Check value_dependent_expression_p
 140         instead of processing_template_decl.
 141         * pt.c (value_dependent_expression_p) <case TEMPLATE_ID_EXPR>:
 142         Return true only if any_dependent_template_arguments_p.
 143         (instantiation_dependent_r) <case CALL_EXPR>: Remove this case.
 144         <case TEMPLATE_ID_EXPR>: Likewise.
 145
 146 2021-09-22  Jakub Jelinek  <jakub@redhat.com>
 147
 148         * parser.c (cp_parser_omp_clause_allocate): Parse allocate clause
 149         modifiers.
 150         * semantics.c (finish_omp_clauses) <OMP_CLAUSE_ALLOCATE>: Perform
 151         semantic analysis of OMP_CLAUSE_ALLOCATE_ALIGN.
 152         * pt.c (tsubst_omp_clauses) <case OMP_CLAUSE_ALLOCATE>: Handle
 153         also OMP_CLAUSE_ALLOCATE_ALIGN.
 154
 155 2021-09-22  Barrett Adair  <barrettellisadair@gmail.com>
 156
 157         * pt.c (find_parm_usage_r): New walk_tree callback to find func
 158         parms.
 159         (any_template_arguments_need_structural_equality_p): New special
 160         case.
 161
 162 2021-09-21  wangpc  <pc.wang@linux.alibaba.com>
 163
 164         * decl.c (start_decl_1): Move verify_type_context to ...
 165         (cp_finish_decl): ... to here.
 166
 167 2021-09-18  Jakub Jelinek  <jakub@redhat.com>
 168
 169         * parser.c (cp_parser_omp_clause_order): Parse unconstrained
 170         and reproducible modifiers.
 171         (OMP_DISTRIBUTE_CLAUSE_MASK): Add order clause.
 172
 173 2021-09-18  Jakub Jelinek  <jakub@redhat.com>
 174
 175         * parser.c (cp_parser_omp_clause_default): Handle private and
 176         firstprivate arguments, adjust diagnostics on unknown argument.
 177         * cp-gimplify.c (cxx_omp_finish_clause): Handle OMP_CLAUSE_PRIVATE.
 178
 179 2021-09-18  Jason Merrill  <jason@redhat.com>
 180
 181         * cp-tree.h (dependentish_scope_p): Declare.
 182         * pt.c (dependentish_scope_p): New.
 183         * parser.c (cp_parser_lookup_name): Return a TYPENAME_TYPE
 184         for lookup of a type in a dependent object.
 185         (cp_parser_template_id): Handle TYPENAME_TYPE.
 186         (cp_parser_template_name): If we're looking for a type,
 187         a name followed by < names a template.
 188
 189 2021-09-18  Jason Merrill  <jason@redhat.com>
 190
 191         * cp-tree.h: Fix typo in LANG_FLAG list.
 192
 193 2021-09-17  Jakub Jelinek  <jakub@redhat.com>
 194
 195         * cp-tree.h (finish_omp_atomic): Add r and weak arguments.
 196         * parser.c (cp_parser_omp_atomic): Update function comment for
 197         OpenMP 5.1 atomics, parse OpenMP 5.1 atomics and fail, compare and
 198         weak clauses.
 199         * semantics.c (finish_omp_atomic): Add r and weak arguments, handle
 200         them, handle COND_EXPRs.
 201         * pt.c (tsubst_expr): Adjust for COND_EXPR forms that
 202         finish_omp_atomic can now produce.
 203
 204 2021-09-16  Patrick Palka  <ppalka@redhat.com>
 205
 206         PR c++/98486
 207         * constraint.cc (get_normalized_constraints_from_decl): Always
 208         look up constraints using the most general template.
 209         * decl.c (grokdeclarator): Set constraints on a static data
 210         member template.
 211         * pt.c (determine_specialization): Check constraints on a
 212         variable template.
 213
 214 2021-09-16  Iain Sandoe  <iain@sandoe.co.uk>
 215
 216         * coroutines.cc (await_statement_walker): Code cleanups.
 217
 218 2021-09-16  Jason Merrill  <jason@redhat.com>
 219
 220         * constexpr.c (cxx_eval_outermost_constant_expr): Use
 221         protected_set_expr_location.
 222
 223 2021-09-15  Patrick Palka  <ppalka@redhat.com>
 224
 225         PR c++/101904
 226         * call.c (build_user_type_conversion_1): Add tf_conv to complain.
 227         (add_candidates): When in a SFINAE context, instead of adding a
 228         candidate to bad_fns just mark it unviable.
 229
 230 2021-09-15  Jason Merrill  <jason@redhat.com>
 231
 232         * cp-tree.h (parsing_function_declarator): Declare.
 233         * name-lookup.c (set_decl_context_in_fn): Use it.
 234         * parser.c (cp_parser_direct_declarator): Use it.
 235         (parsing_function_declarator): New.
 236
 237 2021-09-15  Jakub Jelinek  <jakub@redhat.com>
 238
 239         PR c++/88578
 240         PR c++/102295
 241         * typeck2.c (split_nonconstant_init_1): Don't throw away empty
 242         initializers of flexible array members if they have non-zero type
 243         size.
 244
 245 2021-09-15  Patrick Palka  <ppalka@redhat.com>
 246
 247         PR c++/102050
 248         * decl.c (grok_special_member_properties): Set
 249         TYPE_HAS_COPY_CTOR, TYPE_HAS_DEFAULT_CONSTRUCTOR
 250         and TYPE_HAS_LIST_CTOR independently from each other.
 251
 252 2021-09-15  Jason Merrill  <jason@redhat.com>
 253
 254         * decl.c (cxx_init_decl_processing): Only warn about odd
 255         interference sizes if they were specified with --param.
 256
 257 2021-09-15  Jason Merrill  <jason@redhat.com>
 258
 259         PR c++/48396
 260         * cp-tree.h (enum cp_tree_index): Remove CPTI_TYPE_INFO_PTR_TYPE.
 261         (type_info_ptr_type): Remove.
 262         * rtti.c (init_rtti_processing): Don't predeclare std::type_info.
 263         (typeid_ok_p): Check for null const_type_info_type_node.
 264         (type_info_ptr_type, get_void_tinfo_ptr): New fns.
 265         (get_tinfo_decl_dynamic, get_tinfo_ptr): Use them.
 266         (ptr_initializer, ptm_initializer, get_pseudo_ti_init): Use them.
 267         (get_tinfo_desc): Use const_ptr_type_node.
 268
 269 2021-09-15  Jason Merrill  <jason@redhat.com>
 270
 271         * parser.c (cp_parser_template_name): Move object type.
 272         (cp_parser_pre_parsed_nested_name_specifier): Likewise.
 273
 274 2021-09-15  Jason Merrill  <jason@redhat.com>
 275
 276         * parser.c (cp_parser_unqualified_id): Only complain about ~A<T> in
 277         a declarator.
 278
 279 2021-09-14  Iain Sandoe  <iain@sandoe.co.uk>
 280
 281         * coroutines.cc (struct param_info): Add copy_var.
 282         (build_actor_fn): Use simplified param references.
 283         (register_param_uses): Likewise.
 284         (rewrite_param_uses): Likewise.
 285         (analyze_fn_parms): New function.
 286         (coro_rewrite_function_body): Add proxies for the fn
 287         parameters to the outer bind scope of the rewritten code.
 288         (morph_fn_to_coro): Use simplified version of param ref.
 289
 290 2021-09-14  Iain Sandoe  <iain@sandoe.co.uk>
 291
 292         * coroutines.cc (coro_resume_fn_id, coro_destroy_fn_id,
 293         coro_promise_id, coro_frame_needs_free_id, coro_resume_index_id,
 294         coro_self_handle_id, coro_actor_continue_id,
 295         coro_frame_i_a_r_c_id): New.
 296         (coro_init_identifiers): Initialize new name identifiers.
 297         (coro_promise_type_found_p): Use pre-built identifiers.
 298         (struct await_xform_data): Remove unused fields.
 299         (transform_await_expr): Delete code that is now unused.
 300         (build_actor_fn): Simplify interface, use pre-built identifiers and
 301         remove transforms that are no longer needed.
 302         (build_destroy_fn): Use revised field names.
 303         (register_local_var_uses): Use pre-built identifiers.
 304         (coro_rewrite_function_body): Simplify interface, use pre-built
 305         identifiers.  Generate proxy vars in the outer bind expr scope for the
 306         implementation state that we wish to expose.
 307         (morph_fn_to_coro): Adjust comments for new variable names, use pre-
 308         built identifiers.  Remove unused code to generate frame entries for
 309         the implementation state.  Adjust call for build_actor_fn.
 310
 311 2021-09-14  Patrick Palka  <ppalka@redhat.com>
 312
 313         PR c++/102163
 314         * constexpr.c (cxx_eval_call_expression): After evaluating a
 315         subobject constructor call for an empty union member, produce a
 316         side effect that makes sure the member gets activated.
 317
 318 2021-09-14  Jakub Jelinek  <jakub@redhat.com>
 319
 320         PR c++/102295
 321         * decl.c (layout_var_decl): For aggregates ending with a flexible
 322         array member, add the size of the initializer for that member to
 323         DECL_SIZE and DECL_SIZE_UNIT.
 324
 325 2021-09-14  Jakub Jelinek  <jakub@redhat.com>
 326
 327         PR c++/102305
 328         * method.c (is_xible_helper): Call complete_type on to.
 329
 330 2021-09-14  Jason Merrill  <jason@redhat.com>
 331
 332         * decl.c (cxx_init_decl_processing): Don't warn if L1 cache line
 333         size is smaller than maxalign.
 334
 335 2021-09-13  Jason Merrill  <jason@redhat.com>
 336
 337         * constexpr.c (maybe_warn_about_constant_value):
 338         Complain about std::hardware_destructive_interference_size.
 339         (cxx_eval_constant_expression): Call it.
 340         * decl.c (cxx_init_decl_processing): Check
 341         --param *-interference-size values.
 342
 343 2021-09-13  Patrick Palka  <ppalka@redhat.com>
 344
 345         PR c++/101764
 346         * cp-tree.h (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): New accessor
 347         macro.
 348         * pt.c (has_extra_args_mechanism_p): New function.
 349         (find_parameter_pack_data::found_extra_args_tree_p): New data
 350         member.
 351         (find_parameter_packs_r): Set ppd->found_extra_args_tree_p
 352         appropriately.
 353         (make_pack_expansion): Set PACK_EXPANSION_FORCE_EXTRA_ARGS_P if
 354         ppd.found_extra_args_tree_p.
 355         (use_pack_expansion_extra_args_p): Return true if there were
 356         unsubstituted packs and PACK_EXPANSION_FORCE_EXTRA_ARGS_P.
 357         (tsubst_pack_expansion): Pass the pack expansion to
 358         use_pack_expansion_extra_args_p.
 359
 360 2021-09-10  Jakub Jelinek  <jakub@redhat.com>
 361
 362         * parser.c (cp_parser_omp_atomic): Allow acq_rel on atomic read/write
 363         and acq_rel/acquire clauses on update.
 364         * semantics.c (finish_omp_atomic): Adjust c_finish_omp_atomic caller.
 365
 366 2021-09-08  Richard Biener  <rguenther@suse.de>
 367
 368         PR c++/102228
 369         * cp-tree.h (ANON_AGGR_TYPE_FIELD): New define.
 370         * decl.c (fixup_anonymous_aggr): Wipe RTTI info put in
 371         place on invalid code.
 372         * decl2.c (reset_type_linkage): Guard CLASSTYPE_TYPEINFO_VAR
 373         access.
 374         * module.cc (trees_in::read_class_def): Likewise.  Reconstruct
 375         ANON_AGGR_TYPE_FIELD.
 376         * semantics.c (finish_member_declaration): Populate
 377         ANON_AGGR_TYPE_FIELD for anon aggregate typed members.
 378         * typeck.c (lookup_anon_field): Remove DFS search and return
 379         ANON_AGGR_TYPE_FIELD directly.
 380
 381 2021-09-07  Jakub Jelinek  <jakub@redhat.com>
 382
 383         PR c++/100495
 384         * constexpr.c (maybe_save_constexpr_fundef): Save body even for
 385         constexpr deleting dtors.
 386         (cxx_eval_call_expression): Don't use DECL_CLONED_FUNCTION for
 387         deleting dtors.
 388
 389 2021-09-07  Marcel Vollweiler  <marcel@codesourcery.com>
 390
 391         * parser.c (cp_parser_omp_flush): Parse 'seq_cst' clause on 'flush'
 392         directive.
 393         * semantics.c (finish_omp_flush): Handle MEMMODEL_SEQ_CST.
 394
 395 2021-09-03  Iain Sandoe  <iain@sandoe.co.uk>
 396
 397         * coroutines.cc (register_local_var_uses): Do not mangle
 398         frame entries for the outermost scope.  Record the outer
 399         scope as nesting depth 0.
 400
 401 2021-09-03  Iain Sandoe  <iain@sandoe.co.uk>
 402
 403         * coroutines.cc (coro_build_artificial_var): New.
 404         (build_actor_fn): Use var builder, rename vars to use
 405         implementation namespace.
 406         (coro_rewrite_function_body): Likewise.
 407         (morph_fn_to_coro): Likewise.
 408
 409 2021-09-03  Iain Sandoe  <iain@sandoe.co.uk>
 410
 411         * coroutines.cc (transform_local_var_uses): Record
 412         frame offset expressions as DECL_VALUE_EXPRs instead of
 413         rewriting them.
 414
 415 2021-09-03  Patrick Palka  <ppalka@redhat.com>
 416
 417         PR c++/101904
 418         * call.c (build_this_conversion): New function, split out from
 419         add_function_candidate.
 420         (add_function_candidate): New parameter shortcut_bad_convs.
 421         Document it.  Use build_this_conversion.  Stop at the first bad
 422         argument conversion when shortcut_bad_convs is true.
 423         (add_template_candidate_real): New parameter shortcut_bad_convs.
 424         Use build_this_conversion to check the 'this' conversion before
 425         attempting deduction.  When the rejection reason code is
 426         rr_bad_arg_conversion, pass -1 instead of 0 as the viable
 427         parameter to add_candidate.  Pass 'convs' to add_candidate.
 428         (add_template_candidate): New parameter shortcut_bad_convs.
 429         (add_template_conv_candidate): Pass false as shortcut_bad_convs
 430         to add_template_candidate_real.
 431         (add_candidates): Prefer to shortcut bad conversions during
 432         overload resolution under the assumption that we'll eventually
 433         see a strictly viable candidate.  If this assumption turns out
 434         to be false, re-process the non-strictly viable candidates
 435         without shortcutting those bad conversions.
 436
 437 2021-09-03  Jason Merrill  <jason@redhat.com>
 438
 439         * pt.c (limit_bad_template_recursion): Suppress -Wunused for decls
 440         we decide not to instantiate.
 441
 442 2021-09-03  Jakub Jelinek  <jakub@redhat.com>
 443
 444         PR target/102024
 445         * class.c (build_base_field): Use SET_DECL_FIELD_ABI_IGNORED
 446         instead of writing to DECL_FIELD_ABI_IGNORED.
 447         (layout_class_type): Likewise.  In the place where zero-width
 448         bitfields used to be removed, use
 449         SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD on those fields instead.
 450
 451 2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
 452
 453         * call.c (build_over_call): Handle unavailable state in addition to
 454         deprecation.
 455         * class.c (type_build_ctor_call): Likewise.
 456         (type_build_dtor_call): Likewise.
 457         * cp-tree.h: Rename cp_warn_deprecated_use to
 458         cp_handle_deprecated_or_unavailable.
 459         * decl.c (duplicate_decls): Merge unavailability.
 460         (grokdeclarator): Handle unavailability in addition to deprecation.
 461         (type_is_unavailable): New.
 462         (grokparms): Handle unavailability in addition to deprecation.
 463         * decl.h (enum deprecated_states): Add
 464         UNAVAILABLE_DEPRECATED_SUPPRESS.
 465         * decl2.c (cplus_decl_attributes): Propagate unavailability to
 466         templates.
 467         (cp_warn_deprecated_use): Rename to ...
 468         (cp_handle_deprecated_or_unavailable): ... this and amend to handle
 469         the unavailable case. It remains a warning in the case of deprecation
 470         but becomes an error in the case of unavailability.
 471         (cp_warn_deprecated_use_scopes): Handle unavailability.
 472         (mark_used): Likewise.
 473         * parser.c (cp_parser_template_name): Likewise.
 474         (cp_parser_template_argument): Likewise.
 475         (cp_parser_parameter_declaration_list): Likewise.
 476         * typeck.c (build_class_member_access_expr): Likewise.
 477         (finish_class_member_access_expr): Likewise.
 478         * typeck2.c (build_functional_cast_1): Likewise.
 479
 480 2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
 481
 482         * coroutines.cc (build_actor_fn): Add begin/finish clauses
 483         to the initial test in the actor function.
 484
 485 2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
 486
 487         * coroutines.cc (await_statement_walker): Use build_stmt and
 488         add_stmt instead of build1 and finish_expr_stmt.
 489
 490 2021-08-31  Jason Merrill  <jason@redhat.com>
 491
 492         * coroutines.cc (flatten_await_stmt): Fix copyo.
 493         * decl.c (reshape_init_class): Simplify.
 494         * module.cc (module_state::read_language): Add null check.
 495         * parser.c (build_range_temp): Avoid type_uses_auto.
 496         (cp_parser_class_specifier_1): Add null check.
 497
 498 2021-08-31  Patrick Palka  <ppalka@redhat.com>
 499
 500         PR c++/12672
 501         * call.c (rejection_reason::call_varargs_p): Rename this
 502         previously unused member to ...
 503         (rejection_reason::least_p): ... this.
 504         (arity_rejection): Add least_p parameter.
 505         (add_template_candidate_real): When there are explicit
 506         template arguments, check that the arity of the call agrees with
 507         the arity of the function before attempting deduction.
 508         (print_arity_information): Add least_p parameter.
 509         (print_z_candidate): Adjust call to print_arity_information.
 510
 511 2021-08-31  Martin Sebor  <msebor@redhat.com>
 512
 513         * parser.c (cp_parser_selection_statement): Use direct initialization
 514         instead of copy.
 515
 516 2021-08-31  Jason Merrill  <jason@redhat.com>
 517
 518         * constexpr.c (explain_invalid_constexpr_fn): Use iloc_sentinel.
 519
 520 2021-08-31  Jason Merrill  <jason@redhat.com>
 521
 522         PR c++/92193
 523         * cp-tree.h (FNDECL_MANIFESTLY_CONST_EVALUATED): New.
 524         * constexpr.c (cxx_eval_call_expression): Set it.
 525         * pt.c (neglectable_inst_p): Check it.
 526
 527 2021-08-31  Marcel Vollweiler  <marcel@codesourcery.com>
 528
 529         * parser.c (cp_parser_omp_clause_device): Parse device-modifiers 'device_num'
 530         and 'ancestor' in 'target device' clauses.
 531         * semantics.c (finish_omp_clauses): Error handling. Constant device ids must
 532         evaluate to '1' if 'ancestor' is used.
 533
 534 2021-08-30  Jason Merrill  <jason@redhat.com>
 535
 536         PR c++/96286
 537         * cp-tree.h (struct lang_type): Add erroneous bit-field.
 538         (CLASSTYPE_ERRONEOUS): New.
 539         * pt.c (limit_bad_template_recursion): Check it.
 540         (instantiate_class_template_1): Set it.
 541
 542 2021-08-30  Jason Merrill  <jason@redhat.com>
 543
 544         * constexpr.c (cxx_eval_outermost_constant_expr): Copy
 545         expr location to result.
 546
 547 2021-08-30  Jason Merrill  <jason@redhat.com>
 548
 549         PR c++/101460
 550         * cp-tree.h (cxx_constant_value_sfinae): Declare.
 551         * constexpr.c (cxx_constant_value_sfinae): New.
 552         * pt.c (fold_targs_r, maybe_fold_fn_template_args): New.
 553         (tsubst_copy_and_build) [CALL_EXPR]: Call
 554         maybe_fold_fn_template_args.
 555
 556 2021-08-30  Jason Merrill  <jason@redhat.com>
 557
 558         * parser.c (cp_parser_simple_requirement): Warn about missing
 559         requires.
 560
 561 2021-08-27  Jason Merrill  <jason@redhat.com>
 562
 563         * typeck2.c (build_x_arrow): Do set TREE_TYPE when operand is
 564         a dependent pointer.
 565
 566 2021-08-25  Andrew Pinski  <apinski@marvell.com>
 567
 568         PR c++/66590
 569         * cp-objcp-common.c (cxx_block_may_fallthru): Handle
 570         CLEANUP_STMT for the case which will be try/finally.
 571
 572 2021-08-25  Jakub Jelinek  <jakub@redhat.com>
 573
 574         PR c++/102019
 575         * init.c (build_value_init_noctor): Ignore unnamed zero-width
 576         bitfields.
 577
 578 2021-08-23  Jakub Jelinek  <jakub@redhat.com>
 579
 580         * parser.c (cp_parser_omp_clause_num_tasks,
 581         cp_parser_omp_clause_grainsize): Parse the optional strict: modifier.
 582
 583 2021-08-20  Jakub Jelinek  <jakub@redhat.com>
 584
 585         * parser.c (cp_parser_handle_statement_omp_attributes): Determine if
 586         PRAGMA_OMP_ERROR directive is C_OMP_DIR_STANDALONE.
 587         (cp_parser_omp_error): New function.
 588         (cp_parser_pragma): Handle PRAGMA_OMP_ERROR.
 589
 590 2021-08-20  Jakub Jelinek  <jakub@redhat.com>
 591
 592         * parser.c (cp_parser_omp_clause_depend_sink): Reject spurious
 593         comma at the end of list.  Don't parse closing paren here...
 594         (cp_parser_omp_clause_depend): ... but here instead.
 595
 596 2021-08-19  Patrick Palka  <ppalka@redhat.com>
 597
 598         PR c++/101803
 599         * cp-tree.h (CONSTRUCTOR_IS_PAREN_INIT): Clarify comment.
 600
 601 2021-08-19  Jakub Jelinek  <jakub@redhat.com>
 602
 603         * parser.c (cp_parser_omp_requires): Don't call cp_lexer_nth_token_is
 604         and optionally consume token if current token is CPP_EOF,
 605         CPP_PRAGMA_EOL or CPP_CLOSE_PAREN.
 606
 607 2021-08-19  Jakub Jelinek  <jakub@redhat.com>
 608
 609         * parser.c (cp_parser_omp_nothing): Use cp_parser_require_pragma_eol
 610         instead of cp_parser_skip_to_pragma_eol.
 611
 612 2021-08-18  Patrick Palka  <ppalka@redhat.com>
 613
 614         PR c++/101344
 615         PR c++/101803
 616         * cp-tree.h (CONSTRUCTOR_BRACES_ELIDED_P): Define.
 617         * decl.c (reshape_init_r): Set it.
 618         * pt.c (collect_ctor_idx_types): Recurse into a sub-CONSTRUCTOR
 619         iff CONSTRUCTOR_BRACES_ELIDED_P.
 620
 621 2021-08-18  Patrick Palka  <ppalka@redhat.com>
 622
 623         PR c++/101883
 624         * pt.c (convert_template_argument): Pass LOOKUP_IMPLICIT to
 625         do_auto_deduction.
 626
 627 2021-08-18  Jakub Jelinek  <jakub@redhat.com>
 628
 629         * parser.c (cp_parser_omp_nothing): New function.
 630         (cp_parser_pragma): Handle PRAGMA_OMP_NOTHING.
 631
 632 2021-08-18  Jakub Jelinek  <jakub@redhat.com>
 633
 634         * parser.c (cp_parser_omp_ordered): Return true instead of
 635         false after emitting errors that the directive is not allowed in
 636         pragma_stmt context.
 637         (cp_parser_omp_target_update): Likewise.
 638         (cp_parser_omp_cancellation_point): Change return type from void to
 639         bool, return false if the directive should be ignored in pragma_stmt
 640         contexts.
 641         (cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data):
 642         Change return type from tree to bool, return false if the
 643         directive should be ignored in pragma_stmt contexts.
 644         (cp_parser_omp_target): Adjust callers of cp_parser_omp_target_*_data,
 645         return their result directly.
 646         (cp_parser_pragma): For PRAGMA_OMP_CANCELLATION_POINT return what
 647         cp_parser_omp_cancellation_point returned.  Return true instead of
 648         false after emitting errors that the directive is not allowed in
 649         pragma_stmt context.
 650
 651 2021-08-17  Jakub Jelinek  <jakub@redhat.com>
 652
 653         PR c++/101539
 654         * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_LAYOUT_COMPATIBLE.
 655         (enum cp_built_in_function): Add CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
 656         (fold_builtin_is_corresponding_member, next_common_initial_seqence,
 657         layout_compatible_type_p): Declare.
 658         * parser.c (cp_parser_primary_expression): Handle
 659         RID_IS_LAYOUT_COMPATIBLE.
 660         (cp_parser_trait_expr): Likewise.
 661         * cp-objcp-common.c (names_builtin_p): Likewise.
 662         * constraint.cc (diagnose_trait_expr): Handle
 663         CPTK_IS_LAYOUT_COMPATIBLE.
 664         * decl.c (cxx_init_decl_processing): Register
 665         __builtin_is_corresponding_member builtin.
 666         * constexpr.c (cxx_eval_builtin_function_call): Handle
 667         CP_BUILT_IN_IS_CORRESPONDING_MEMBER builtin.
 668         * semantics.c (is_corresponding_member_union,
 669         is_corresponding_member_aggr, fold_builtin_is_corresponding_member):
 670         New functions.
 671         (trait_expr_value): Handle CPTK_IS_LAYOUT_COMPATIBLE.
 672         (finish_trait_expr): Likewise.
 673         * typeck.c (next_common_initial_seqence, layout_compatible_type_p):
 674         New functions.
 675         * cp-gimplify.c (cp_gimplify_expr): Fold
 676         CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
 677         (cp_fold): Likewise.
 678         * tree.c (builtin_valid_in_constant_expr_p): Handle
 679         CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
 680         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
 681         CPTK_IS_LAYOUT_COMPATIBLE.
 682         * class.c (remove_zero_width_bit_fields): Remove.
 683         (layout_class_type): Don't call it.
 684
 685 2021-08-17  Jakub Jelinek  <jakub@redhat.com>
 686
 687         * parser.c (OMP_SCOPE_CLAUSE_MASK): Define.
 688         (cp_parser_omp_scope): New function.
 689         (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_SCOPE.
 690         * pt.c (tsubst_expr): Handle OMP_SCOPE.
 691
 692 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 693
 694         * parser.c (cp_parser_omp_clause_name): Parse filter clause name.
 695         (cp_parser_omp_clause_filter): New function.
 696         (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER.
 697         (OMP_MASKED_CLAUSE_MASK): Define.
 698         (cp_parser_omp_masked): New function.
 699         (cp_parser_omp_parallel): Handle parallel masked.
 700         (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_MASKED.
 701         * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_FILTER.
 702         * pt.c (tsubst_omp_clauses): Likewise.
 703         (tsubst_expr): Handle OMP_MASKED.
 704
 705 2021-08-12  Sergei Trofimovich  <siarheit@google.com>
 706
 707         PR c++/101219
 708         * pt.c (tsubst_copy_and_build): Use build_ptrmemfunc_access_expr
 709         to construct ptrmemfunc expression instantiation.
 710
 711 2021-08-12  Tobias Burnus  <tobias@codesourcery.com>
 712
 713         * parser.c (cp_parser_omp_clause_proc_bind): Accept
 714         'primary' as alias for 'master'.
 715
 716 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 717
 718         * cp-tree.h (omp_declare_target_attr): New type.
 719         (struct saved_scope): Change type of omp_declare_target_attribute
 720         from int to vec<omp_declare_target_attr, va_gc> * and move it.
 721         * parser.c (cp_parser_omp_declare_target): Instead of
 722         incrementing scope_chain->omp_declare_target_attribute, push
 723         a struct containing parser->lexer->in_omp_attribute_pragma to
 724         the vector.
 725         (cp_parser_omp_end_declare_target): Instead of decrementing
 726         scope_chain->omp_declare_target_attribute, pop a structure
 727         from it.  Diagnose mismatching declare target vs.
 728         end declare target syntax.
 729         * semantics.c (finish_translation_unit): Use vec_safe_length
 730         and vec_safe_truncate on scope_chain->omp_declare_target_attributes.
 731         * decl2.c (cplus_decl_attributes): Use vec_safe_length
 732         on scope_chain->omp_declare_target_attributes.
 733
 734 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 735
 736         * parser.c (cp_parser_lambda_body): Add temp overrides
 737         for parser->{omp_declare_simd,oacc_routine,omp_attrs_forbidden_p}.
 738         (cp_parser_statement): Restore parser->omp_attrs_forbidden_p for
 739         cp_parser_declaration_statement.
 740         (cp_parser_default_argument): Add temp override for
 741         parser->omp_attrs_forbidden_p.
 742         (cp_parser_late_parsing_omp_declare_simd): Diagnose declare simd
 743         or declare variant in attribute syntax on a declaration immediately
 744         following an OpenMP construct in pragma syntax.
 745
 746 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 747
 748         PR c++/94162
 749         * method.c (cat_tag_for): Return cc_last for !CLASS_TYPE_P
 750         or for classes not in std namespace.
 751
 752 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 753
 754         * name-lookup.c (finish_using_directive): Diagnose omp::directive
 755         or omp::sequence attributes on using-directive.
 756
 757 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 758
 759         * parser.c (cp_parser_block_declaration): Call
 760         cp_parser_using_directive for C++11 attributes followed by
 761         using namespace tokens.
 762         (cp_parser_using_directive): Parse C++11 attributes at the start
 763         of the directive rather than at the end, only parse GNU attributes
 764         at the end.
 765
 766 2021-08-12  Patrick Palka  <ppalka@redhat.com>
 767
 768         PR c++/101663
 769         * constexpr.c (cxx_eval_store_expression): Handle the lval=true
 770         case in the early exit code path for empty stores with mismatched
 771         types.
 772
 773 2021-08-11  Patrick Palka  <ppalka@redhat.com>
 774
 775         PR c++/101725
 776         DR 2082
 777         * cp-tree.h (unevaluated_p): Return true for REQUIRES_EXPR.
 778         * decl.c (local_variable_p_walkfn): Don't walk into unevaluated
 779         operands.
 780         * parser.c (cp_parser_primary_expression) <case CPP_NAME>: Never
 781         reject uses of local variables in unevaluated contexts.
 782         * tree.c (cp_walk_subtrees) <case REQUIRES_EXPR>: Increment
 783         cp_unevaluated_operand.  Use cp_walk_tree directly instead of
 784         WALK_SUBTREE to avoid the goto.  Use REQUIRES_EXPR_REQS instead
 785         of TREE_OPERAND directly.
 786
 787 2021-08-11  Jakub Jelinek  <jakub@redhat.com>
 788
 789         PR c++/101786
 790         * decl2.c (var_defined_without_dynamic_init): Return true for
 791         DECL_DECLARED_CONSTINIT_P with complete type and trivial destructor.
 792
 793 2021-08-11  Patrick Palka  <ppalka@redhat.com>
 794
 795         PR c++/79501
 796         * parser.c (maybe_adjust_declarator_for_dguide): New, split
 797         out from ...
 798         (cp_parser_init_declarator): ... here.
 799         (cp_parser_member_declaration): Use it.
 800
 801 2021-08-11  Patrick Palka  <ppalka@redhat.com>
 802
 803         PR c++/89062
 804         * parser.c (cp_parser_parameter_declaration_list): Don't call
 805         grokdeclarator if cp_parser_error_occurred.
 806         (cp_parser_parameter_declaration): Simulate an error if we see
 807         the beginning of a CTAD form, i.e. if we see an opening brace
 808         after the decl-specifier-seq and the type is a CTAD placeholder.
 809
 810 2021-08-10  Jakub Jelinek  <jakub@redhat.com>
 811
 812         * parser.c (cp_parser_member_declaration): Move odsd declaration
 813         before cp_parser_using_declaration call to avoid errors with
 814         GCC 4.8 to 6.
 815
 816 2021-08-10  Jakub Jelinek  <jakub@redhat.com>
 817
 818         * parser.h (struct cp_omp_declare_simd_data): Remove
 819         in_omp_attribute_pragma and clauses members, add loc and attribs.
 820         (struct cp_oacc_routine_data): Remove loc member, add clauses
 821         member.
 822         * parser.c (cp_finalize_omp_declare_simd): New function.
 823         (cp_parser_handle_statement_omp_attributes): Mention in
 824         function comment the function is used also for
 825         attribute-declaration.
 826         (cp_parser_handle_directive_omp_attributes): New function.
 827         (cp_parser_statement): Don't call
 828         cp_parser_handle_statement_omp_attributes if statement doesn't
 829         have attribute-specifier-seq at the beginning at all or if
 830         if those attributes don't appertain to the statement.
 831         (cp_parser_simple_declaration): Call
 832         cp_parser_handle_directive_omp_attributes and
 833         cp_finalize_omp_declare_simd.
 834         (cp_parser_explicit_instantiation): Likewise.
 835         (cp_parser_init_declarator): Initialize prefix_attributes
 836         only after parsing declarators.
 837         (cp_parser_direct_declarator): Call
 838         cp_parser_handle_directive_omp_attributes and
 839         cp_finalize_omp_declare_simd.
 840         (cp_parser_member_declaration): Likewise.
 841         (cp_parser_single_declaration): Likewise.
 842         (cp_parser_omp_declare_simd): Don't initialize
 843         data.in_omp_attribute_pragma, instead initialize
 844         data.attribs[0] and data.attribs[1].
 845         (cp_finish_omp_declare_variant): Remove
 846         in_omp_attribute_pragma argument, instead use
 847         parser->lexer->in_omp_attribute_pragma.
 848         (cp_parser_late_parsing_omp_declare_simd): Adjust
 849         cp_finish_omp_declare_variant caller.  Handle attribute-syntax
 850         declare simd/variant.
 851
 852 2021-08-06  Tamar Christina  <tamar.christina@arm.com>
 853
 854         * cp-objcp-common.h (cxx_simulate_enum_decl): Pass vec<> by pointer.
 855         * decl.c (cxx_simulate_enum_decl): Likewise.
 856
 857 2021-08-04  Jakub Jelinek  <jakub@redhat.com>
 858
 859         PR c++/101759
 860         * parser.c (cp_parser_default_argument): Temporarily override
 861         parser->omp_declare_simd and parser->oacc_routine to NULL.
 862
 863 2021-08-02  Patrick Palka  <ppalka@redhat.com>
 864
 865         PR c++/100828
 866         * logic.cc (formula::formula): Use emplace_back instead of
 867         push_back.
 868         (formula::branch): Insert a copy of m_current directly after
 869         m_current instead of at the end of the list.
 870         (formula::erase): Define.
 871         (decompose_formula): Remove.
 872         (decompose_antecedents): Remove.
 873         (decompose_consequents): Remove.
 874         (derive_proofs): Remove.
 875         (max_problem_size): Remove.
 876         (diagnose_constraint_size): Remove.
 877         (subsumes_constraints_nonnull): Rewrite directly in terms of
 878         decompose_clause and derive_proof, interleaving decomposition
 879         with implication checking.  Remove limit on constraint complexity.
 880         Use formula::erase to free the current clause before moving on to
 881         the next one.
 882
 883 2021-07-31  Jason Merrill  <jason@redhat.com>
 884
 885         PR c++/96636
 886         * decl.c (fixup_anonymous_aggr): Clear TYPE_NEEDS_CONSTRUCTING
 887         after error.
 888
 889 2021-07-31  Jason Merrill  <jason@redhat.com>
 890
 891         * ptree.c (cxx_print_type) [TYPE_PACK_EXPANSION]: Also print
 892         PACK_EXPANSION_PATTERN.
 893
 894 2021-07-31  Jakub Jelinek  <jakub@redhat.com>
 895
 896         * parser.c (cp_parser_declaration): Handle OpenMP directives
 897         in attribute-declaration.
 898
 899 2021-07-30  Jakub Jelinek  <jakub@redhat.com>
 900
 901         PR c++/101539
 902         * cp-tree.h (enum cp_trait_kind): Add
 903         CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
 904         (enum cp_built_in_function): Add
 905         CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.
 906         (fold_builtin_is_pointer_inverconvertible_with_class): Declare.
 907         * parser.c (cp_parser_primary_expression): Handle
 908         RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
 909         (cp_parser_trait_expr): Likewise.
 910         * cp-objcp-common.c (names_builtin_p): Likewise.
 911         * constraint.cc (diagnose_trait_expr): Handle
 912         CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
 913         * decl.c (cxx_init_decl_processing): Register
 914         __builtin_is_pointer_interconvertible_with_class builtin.
 915         * constexpr.c (cxx_eval_builtin_function_call): Handle
 916         CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS builtin.
 917         * semantics.c (pointer_interconvertible_base_of_p,
 918         first_nonstatic_data_member_p,
 919         fold_builtin_is_pointer_inverconvertible_with_class): New functions.
 920         (trait_expr_value): Handle CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
 921         (finish_trait_expr): Likewise.  Formatting fix.
 922         * cp-gimplify.c (cp_gimplify_expr): Fold
 923         CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.  Call
 924         fndecl_built_in_p just once.
 925         (cp_fold): Likewise.
 926         * tree.c (builtin_valid_in_constant_expr_p): Handle
 927         CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.  Call
 928         fndecl_built_in_p just once.
 929         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
 930         CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
 931
 932 2021-07-30  Jason Merrill  <jason@redhat.com>
 933
 934         * class.c (finish_struct_anon): Improve comment.
 935         * decl.c (fixup_anonymous_aggr): Reject anonymous struct
 936         with bases.
 937
 938 2021-07-30  Jakub Jelinek  <jakub@redhat.com>
 939
 940         * parser.c (cp_parser_statement): Rollback attributes not just
 941         when std_attrs is non-NULL, but whenever
 942         cp_parser_std_attribute_spec_seq parsed any tokens.
 943
 944 2021-07-30  Jakub Jelinek  <jakub@redhat.com>
 945
 946         PR c++/101582
 947         * parser.c (cp_parser_skip_std_attribute_spec_seq): Add a forward
 948         declaration.
 949         (cp_parser_declaration): Parse empty-declaration and
 950         attribute-declaration.
 951         (cp_parser_toplevel_declaration): Don't parse empty-declaration here.
 952
 953 2021-07-28  Martin Sebor  <msebor@redhat.com>
 954
 955         * init.c: Include new header.
 956
 957 2021-07-27  Marek Polacek  <polacek@redhat.com>
 958
 959         DR 1512
 960         PR c++/99701
 961         * cp-gimplify.c (cp_fold): Remove {LE,LT,GE,GT_EXPR} from
 962         a switch.
 963         * typeck.c (cp_build_binary_op): Reject ordered comparison
 964         of two null pointers.
 965
 966 2021-07-26  Jakub Jelinek  <jakub@redhat.com>
 967
 968         * parser.h (struct cp_lexer): Add orphan_p member.
 969         * parser.c (cp_parser_statement): Don't change in_omp_attribute_pragma
 970         upon restart from CPP_PRAGMA handling.  Fix up condition when a lexer
 971         should be destroyed and adjust saved_tokens if it records tokens from
 972         the to be destroyed lexer.
 973         (cp_parser_omp_section_scan): New function.
 974         (cp_parser_omp_scan_loop_body): Use it.  If
 975         parser->lexer->in_omp_attribute_pragma, allow optional comma
 976         after scan.
 977         (cp_parser_omp_sections_scope): Use cp_parser_omp_section_scan.
 978
 979 2021-07-23  Jakub Jelinek  <jakub@redhat.com>
 980
 981         * parser.h (struct cp_parser): Add omp_attrs_forbidden_p member.
 982         * parser.c (cp_parser_handle_statement_omp_attributes): Diagnose
 983         mixing of attribute and pragma syntax directives when seeing
 984         omp::directive if parser->omp_attrs_forbidden_p or if attribute syntax
 985         directives are followed by OpenMP pragma.
 986         (cp_parser_statement): Clear parser->omp_attrs_forbidden_p after
 987         the cp_parser_handle_statement_omp_attributes call.
 988         (cp_parser_omp_structured_block): Add disallow_omp_attrs argument,
 989         if true, set parser->omp_attrs_forbidden_p.
 990         (cp_parser_omp_scan_loop_body, cp_parser_omp_sections_scope): Pass
 991         false as disallow_omp_attrs to cp_parser_omp_structured_block.
 992         (cp_parser_omp_parallel, cp_parser_omp_task): Set
 993         parser->omp_attrs_forbidden_p.
 994
 995 2021-07-21  Thomas Schwinge  <thomas@codesourcery.com>
 996             Joseph Myers  <joseph@codesourcery.com>
 997             Cesar Philippidis  <cesar@codesourcery.com>
 998
 999         * parser.c (cp_parser_omp_clause_name): Handle 'nohost'.
1000         (cp_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'.
1001         (OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
1002         * pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
1003         * semantics.c (finish_omp_clauses): Likewise.
1004
1005 2021-07-21  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR c++/101516
1008         * semantics.c (finish_omp_reduction_clause): Also call
1009         complete_type_or_else and return true if it fails.
1010
1011 2021-07-19  Iain Sandoe  <iain@sandoe.co.uk>
1012
1013         PR c++/95520
1014         * coroutines.cc (struct coroutine_info): Add fields for
1015         actor and destroy function decls.
1016         (to_ramp): New.
1017         (coro_get_ramp_function): New.
1018         (coro_get_actor_function): New.
1019         (coro_get_destroy_function): New.
1020         (act_des_fn): Set up mapping between ramp, actor and
1021         destroy functions.
1022         (morph_fn_to_coro): Adjust interface to the builder for
1023         helper function decls.
1024         * cp-tree.h (DECL_ACTOR_FN, DECL_DESTROY_FN, DECL_RAMP_FN,
1025         JOIN_STR): New.
1026         * mangle.c (write_encoding): Handle coroutine helpers.
1027         (write_unqualified_name): Handle lambda coroutine helpers.
1028
1029 2021-07-16  Patrick Palka  <ppalka@redhat.com>
1030
1031         PR c++/101233
1032         * pt.c (alias_ctad_tweaks): Clear cp_unevaluated_operand for
1033         substituting DECL_ARGUMENTS.
1034
1035 2021-07-16  Patrick Palka  <ppalka@redhat.com>
1036
1037         DR 960
1038         PR c++/99664
1039         * search.c (check_final_overrider): Compare TYPE_REF_IS_RVALUE
1040         when the return types are references.
1041
1042 2021-07-16  Marek Polacek  <polacek@redhat.com>
1043
1044         * typeck2.c (check_narrowing): Don't suppress the pedantic error
1045         in system headers.
1046
1047 2021-07-15  Jakub Jelinek  <jakub@redhat.com>
1048
1049         PR c++/101443
1050         * cp-gimplify.c (cp_fold): For comparisons with NULLPTR_TYPE
1051         operands, fold them right away to true or false.
1052
1053 2021-07-15  Jason Merrill  <jason@redhat.com>
1054
1055         PR c++/101095
1056         * cp-objcp-common.c (cp_common_init_ts): Mark types as types.
1057         (cp_tree_size): Remove redundant entries.
1058
1059 2021-07-14  Patrick Palka  <ppalka@redhat.com>
1060
1061         PR c++/88252
1062         * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): Remove.
1063         * pt.c (push_template_decl): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1064         handling.
1065         (redeclare_class_template): Likewise.
1066         (forwarding_reference_p): Define.
1067         (maybe_adjust_types_for_deduction): Use it instead.  Add 'tparms'
1068         parameter.
1069         (unify_one_argument): Pass tparms to
1070         maybe_adjust_types_for_deduction.
1071         (try_one_overload): Likewise.
1072         (unify): Likewise.
1073         (rewrite_template_parm): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1074         handling.
1075
1076 2021-07-14  Jason Merrill  <jason@redhat.com>
1077
1078         * class.c (struct find_final_overrider_data): Use auto_vec.
1079         (find_final_overrider): Remove explicit release.
1080         * coroutines.cc (process_conditional): Use auto_vec.
1081         * cp-gimplify.c (struct cp_genericize_data): Use auto_vec.
1082         (cp_genericize_tree): Remove explicit release.
1083         * parser.c (cp_parser_objc_at_property_declaration): Use
1084         auto_delete_vec.
1085         * semantics.c (omp_reduction_lookup): Use auto_vec.
1086
1087 2021-07-14  Marek Polacek  <polacek@redhat.com>
1088
1089         PR c++/101371
1090         * constexpr.c (cxx_eval_array_reference): Create a new .object
1091         and .ctor for the non-aggregate non-scalar case too when
1092         value-initializing.
1093
1094 2021-07-12  Patrick Palka  <ppalka@redhat.com>
1095
1096         PR c++/79501
1097         PR c++/100983
1098         * decl.c (grokfndecl): Don't require that deduction guides are
1099         declared at namespace scope.  Check that class-scope deduction
1100         guides have the same access as the member class template.
1101         (grokdeclarator): Pretend class-scope deduction guides are static.
1102         * search.c (lookup_member): Don't use a BASELINK for (class-scope)
1103         deduction guides.
1104
1105 2021-07-10  Patrick Palka  <ppalka@redhat.com>
1106
1107         PR c++/82110
1108         * init.c (build_aggr_init): Return error_mark_node if
1109         expand_aggr_init_1 returns false.
1110         (expand_default_init): Change return type to bool.  Return false
1111         on error, true on success.
1112         (expand_aggr_init_1): Likewise.
1113
1114 2021-07-09  Jason Merrill  <jason@redhat.com>
1115
1116         PR c++/101098
1117         * decl.c (function_requirements_equivalent_p): Only compare
1118         trailing requirements on a specialization.
1119
1120 2021-07-09  Iain Sandoe  <iain@sandoe.co.uk>
1121
1122         * coroutines.cc (build_actor_fn): Move common code to
1123         act_des_fn.
1124         (build_destroy_fn): Likewise.
1125         (act_des_fn): Build the void return here.  Ensure that the
1126         source location matches the original function.
1127
1128 2021-07-09  Iain Sandoe  <iain@sandoe.co.uk>
1129
1130         * coroutines.cc
1131         (coro_rewrite_function_body): Connect the replacement
1132         function block to the block nest correctly.
1133
1134 2021-07-09  Patrick Palka  <ppalka@redhat.com>
1135
1136         PR c++/101181
1137         * constraint.cc (tsubst_requires_expr): Pass complain/in_decl to
1138         add_extra_args.
1139         * cp-tree.h (add_extra_args): Add complain/in_decl parameters.
1140         * pt.c (build_extra_args): Make a copy of args.
1141         (add_extra_args): Add complain/in_decl parameters.  Enable the
1142         code for handling the case where the extra arguments are
1143         dependent.
1144         (tsubst_pack_expansion): Pass complain/in_decl to
1145         add_extra_args.
1146         (tsubst_template_args): Handle missing template arguments.
1147         (tsubst_expr) <case IF_STMT>: Pass complain/in_decl to
1148         add_extra_args.
1149
1150 2021-07-09  Patrick Palka  <ppalka@redhat.com>
1151
1152         PR c++/101247
1153         * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Just walk the
1154         DECL_CONTEXT.
1155
1156 2021-07-08  Martin Sebor  <msebor@redhat.com>
1157
1158         PR bootstrap/101372
1159         * module.cc (identifier): Suppress warning.
1160         (module_state::read_macro_maps): Remove warning suppression.
1161         (module_state::install_macros): Ditto.
1162
1163 2021-07-08  Marek Polacek  <polacek@redhat.com>
1164
1165         PR c++/101087
1166         * cp-tree.h (unevaluated_p): New.
1167         * except.c (check_noexcept_r): Use it.  Don't walk into
1168         unevaluated operands.
1169
1170 2021-07-08  Martin Sebor  <msebor@redhat.com>
1171
1172         PR bootstrap/101374
1173         * module.cc (module_state::read_macro_maps): Temporarily disable
1174         -Warray-bounds.
1175         (module_state::install_macros): Same.
1176
1177 2021-07-06  Martin Sebor  <msebor@redhat.com>
1178
1179         * error.c (cp_printer):  Remove support for %G and %K.
1180
1181 2021-07-02  Jakub Jelinek  <jakub@redhat.com>
1182
1183         * parser.h (struct cp_lexer): Add in_omp_attribute_pragma member.
1184         (struct cp_omp_declare_simd_data): Likewise.
1185         * cp-tree.h (enum cp_tree_index): Add CPTI_OMP_IDENTIFIER.
1186         (omp_identifier): Define.
1187         * parser.c (cp_parser_skip_to_pragma_eol): Handle
1188         in_omp_attribute_pragma CPP_PRAGMA_EOL followed by CPP_EOF.
1189         (cp_parser_require_pragma_eol): Likewise.
1190         (struct cp_omp_attribute_data): New type.
1191         (cp_parser_handle_statement_omp_attributes): New function.
1192         (cp_parser_statement): Handle OpenMP directives in statement's
1193         attribute-specifier-seq.
1194         (cp_parser_omp_directive_args, cp_parser_omp_sequence_args): New
1195         functions.
1196         (cp_parser_std_attribute): Handle omp::directive and omp::sequence
1197         attributes.
1198         (cp_parser_omp_all_clauses): If in_omp_attribute_pragma, allow
1199         a comma also before the first clause.
1200         (cp_parser_omp_allocate): Likewise.
1201         (cp_parser_omp_atomic): Likewise.
1202         (cp_parser_omp_depobj): Likewise.
1203         (cp_parser_omp_flush): Likewise.
1204         (cp_parser_omp_ordered): Likewise.
1205         (cp_parser_omp_declare_simd): Save in_omp_attribute_pragma
1206         into struct cp_omp_declare_simd_data.
1207         (cp_finish_omp_declare_variant): Add in_omp_attribute_pragma
1208         argument.  If set, allow a comma also before match clause.
1209         (cp_parser_late_parsing_omp_declare_simd): If in_omp_attribute_pragma,
1210         allow a comma also before the first clause.  Adjust
1211         cp_finish_omp_declare_variant caller.
1212         (cp_parser_omp_declare_target): If in_omp_attribute_pragma, allow
1213         a comma also before the first clause.
1214         (cp_parser_omp_declare_reduction_exprs): Likewise.
1215         (cp_parser_omp_requires): Likewise.
1216         * decl.c (initialize_predefined_identifiers): Initialize
1217         omp_identifier.
1218         * decl2.c (cplus_decl_attributes): Reject omp::directive and
1219         omp::sequence attributes.
1220
1221 2021-07-02  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR c/101297
1224         * parser.c (cp_parser_omp_atomic): Consume comma only if it
1225         appears before a CPP_NAME.
1226
1227 2021-07-02  Patrick Palka  <ppalka@redhat.com>
1228
1229         PR c++/101247
1230         * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Rewrite to
1231         use common_enclosing_class and to not depend on the TREE_TYPE
1232         of outer levels pointing to the corresponding primary template.
1233
1234 2021-07-01  Patrick Palka  <ppalka@redhat.com>
1235
1236         PR c++/101194
1237         * constexpr.c (cxx_eval_array_reference): When the element type
1238         is an empty type and the corresponding element is omitted, just
1239         return an empty CONSTRUCTOR instead of attempting value
1240         initialization.
1241
1242 2021-07-01  Patrick Palka  <ppalka@redhat.com>
1243
1244         PR c++/96204
1245         * pt.c (finish_template_variable): Pass the partially
1246         instantiated template and its args to instantiate_template.
1247         (instantiate_class_template_1): No need to call
1248         push_nested_class and pop_nested_class around the call to
1249         most_specialized_partial_spec.
1250         (instantiate_template_1): Pass the partially instantiated
1251         template to lookup_template_variable.
1252         (most_specialized_partial_spec):  Use push_access_scope_guard
1253         to set the access scope appropriately.  Use
1254         deferring_access_check_sentinel to force access to get checked
1255         immediately.
1256         (instantiate_decl): Just pass the VAR_DECL to
1257         most_specialized_partial_spec.
1258
1259 2021-06-30  Patrick Palka  <ppalka@redhat.com>
1260
1261         * constraint.cc (get_normalized_constraints_from_decl): Use
1262         push_access_scope_guard instead of push_nested_class_guard.
1263         * cp-tree.h (struct push_nested_class_guard): Replace with ...
1264         (struct push_access_scope_guard): ... this.
1265         * pt.c (push_access_scope): When the argument corresponds to
1266         a class type, push the class instead of its context.
1267         (pop_access_scope): Adjust accordingly.
1268
1269 2021-06-30  Marek Polacek  <polacek@redhat.com>
1270
1271         PR c++/100975
1272         DR 2397
1273         * decl.c (create_array_type_for_decl): Allow array of auto.
1274
1275 2021-06-29  Jason Merrill  <jason@redhat.com>
1276
1277         * pt.c (instantiate_decl): Only consider partial specializations of
1278         actual variable templates.
1279
1280 2021-06-26  Patrick Palka  <ppalka@redhat.com>
1281
1282         PR c++/96204
1283         * pt.c (instantiate_class_template_1): Enter the scope of the
1284         type when calling most_specialized_partial_spec.
1285
1286 2021-06-26  Jason Merrill  <jason@redhat.com>
1287
1288         PR c++/101040
1289         PR c++/97566
1290         * class.c (is_empty_field): Handle null argument.
1291         * constexpr.c (cxx_eval_bare_aggregate): Discard initializer
1292         for empty field.
1293
1294 2021-06-26  Marek Polacek  <polacek@redhat.com>
1295
1296         PR c++/100752
1297         * parser.c (cp_parser_declarator): Pass flags down to
1298         cp_parser_declarator.  Also pass static_p/member_p.
1299
1300 2021-06-25  Martin Sebor  <msebor@redhat.com>
1301
1302         * call.c (build_over_call): Replace direct uses of TREE_NO_WARNING
1303         with warning_suppressed_p, suppress_warning, and copy_no_warning, or
1304         nothing if not necessary.
1305         (set_up_extended_ref_temp): Same.
1306         * class.c (layout_class_type): Same.
1307         * constraint.cc (constraint_satisfaction_value): Same.
1308         * coroutines.cc (finish_co_await_expr): Same.
1309         (finish_co_yield_expr): Same.
1310         (finish_co_return_stmt): Same.
1311         (build_actor_fn): Same.
1312         (coro_rewrite_function_body): Same.
1313         (morph_fn_to_coro): Same.
1314         * cp-gimplify.c (genericize_eh_spec_block): Same.
1315         (gimplify_expr_stmt): Same.
1316         (cp_genericize_r): Same.
1317         (cp_fold): Same.
1318         * cp-ubsan.c (cp_ubsan_instrument_vptr): Same.
1319         * cvt.c (cp_fold_convert): Same.
1320         (convert_to_void): Same.
1321         * decl.c (wrapup_namespace_globals): Same.
1322         (grokdeclarator): Same.
1323         (finish_function): Same.
1324         (require_deduced_type): Same.
1325         * decl2.c (no_linkage_error): Same.
1326         (c_parse_final_cleanups): Same.
1327         * except.c (expand_end_catch_block): Same.
1328         * init.c (build_new_1): Same.
1329         (build_new): Same.
1330         (build_vec_delete_1): Same.
1331         (build_vec_init): Same.
1332         (build_delete): Same.
1333         * method.c (defaultable_fn_check): Same.
1334         * parser.c (cp_parser_fold_expression): Same.
1335         (cp_parser_primary_expression): Same.
1336         * pt.c (push_tinst_level_loc): Same.
1337         (tsubst_copy): Same.
1338         (tsubst_omp_udr): Same.
1339         (tsubst_copy_and_build): Same.
1340         * rtti.c (build_if_nonnull): Same.
1341         * semantics.c (maybe_convert_cond): Same.
1342         (finish_return_stmt): Same.
1343         (finish_parenthesized_expr): Same.
1344         (cp_check_omp_declare_reduction): Same.
1345         * tree.c (build_cplus_array_type): Same.
1346         * typeck.c (build_ptrmemfunc_access_expr): Same.
1347         (cp_build_indirect_ref_1): Same.
1348         (cp_build_function_call_vec): Same.
1349         (warn_for_null_address): Same.
1350         (cp_build_binary_op): Same.
1351         (unary_complex_lvalue): Same.
1352         (cp_build_modify_expr): Same.
1353         (build_x_modify_expr): Same.
1354         (convert_for_assignment): Same.
1355
1356 2021-06-24  Patrick Palka  <ppalka@redhat.com>
1357
1358         PR c++/98832
1359         * pt.c (maybe_aggr_guide): Handle alias templates appropriately.
1360
1361 2021-06-24  Patrick Palka  <ppalka@redhat.com>
1362
1363         PR c++/101182
1364         * constraint.cc (evaluate_requires_expr): Adjust function comment.
1365         * cp-gimplify.c (cp_genericize_r) <case REQUIRES_EXPR>: Move to ...
1366         (cp_fold) <case REQUIRES_EXPR>: ... here.
1367
1368 2021-06-24  Jakub Jelinek  <jakub@redhat.com>
1369
1370         * parser.c (cp_omp_split_clauses): Pass C_ORT_OMP_TARGET instead of
1371         C_ORT_OMP for clauses on target construct.
1372         (OMP_TARGET_CLAUSE_MASK): Add in_reduction clause.
1373         (cp_parser_omp_target): For non-combined target add
1374         map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION.  Pass
1375         C_ORT_OMP_TARGET to finish_omp_clauses.
1376         * semantics.c (handle_omp_array_sections_1): Adjust ort handling
1377         for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are
1378         never present on C_ORT_*DECLARE_SIMD.
1379         (handle_omp_array_sections): Likewise.
1380         (finish_omp_clauses): Likewise.  Handle OMP_CLAUSE_IN_REDUCTION
1381         on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on
1382         corresponding map clauses.
1383         * pt.c (tsubst_expr): Pass C_ORT_OMP_TARGET instead of C_ORT_OMP for
1384         clauses on target construct.
1385
1386 2021-06-23  Patrick Palka  <ppalka@redhat.com>
1387
1388         PR c++/101174
1389         * pt.c (push_access_scope): For artificial deduction guides,
1390         set the access scope to that of the constructor.
1391         (pop_access_scope): Likewise.
1392         (build_deduction_guide): Don't set DECL_CONTEXT on the guide.
1393
1394 2021-06-23  Patrick Palka  <ppalka@redhat.com>
1395
1396         PR c++/86439
1397         * call.c (print_error_for_call_failure): Constify 'args' parameter.
1398         (perform_dguide_overload_resolution): Define.
1399         * cp-tree.h: (perform_dguide_overload_resolution): Declare.
1400         * pt.c (do_class_deduction): Use perform_dguide_overload_resolution
1401         instead of build_new_function_call.  Don't use tf_decltype or
1402         set cp_unevaluated_operand.  Remove unnecessary NULL_TREE tests.
1403
1404 2021-06-21  Patrick Palka  <ppalka@redhat.com>
1405
1406         PR c++/67302
1407         * typeck.c (check_return_expr): Call maybe_undo_parenthesized_ref
1408         sooner, before the NRVO handling.
1409
1410 2021-06-21  Patrick Palka  <ppalka@redhat.com>
1411
1412         PR c++/80431
1413         * tree.c (bot_replace): Use convert_to_base to build the
1414         conversion to the (morally) virtual base.
1415
1416 2021-06-21  Jakub Jelinek  <jakub@redhat.com>
1417
1418         PR inline-asm/100785
1419         * typeck.c (cxx_mark_addressable): Diagnose trying to make
1420         bit-fields addressable.
1421
1422 2021-06-17  Jason Merrill  <jason@redhat.com>
1423
1424         PR c++/101106
1425         * decl.c (duplicate_decls): Make 'deleted after first declaration'
1426         pedwarn on by default.
1427
1428 2021-06-17  Jason Merrill  <jason@redhat.com>
1429
1430         PR c++/101029
1431         * init.c (build_vec_init): Preserve the type of base.
1432
1433 2021-06-16  Jason Merrill  <jason@redhat.com>
1434
1435         PR c++/101078
1436         PR c++/91706
1437         * pt.c (tsubst_baselink): Update binfos in non-dependent case.
1438
1439 2021-06-15  Robin Dapp  <rdapp@linux.ibm.com>
1440
1441         * decl.c (duplicate_decls): Likewise.
1442
1443 2021-06-14  Tobias Burnus  <tobias@codesourcery.com>
1444
1445         PR c/100913
1446         * parser.c (cp_parser_omp_clause_affinity): No need to set iterator
1447         var in the error case.
1448
1449 2021-06-13  Trevor Saunders  <tbsaunde@tbsaunde.org>
1450
1451         * constexpr.c (cxx_eval_call_expression): Iterate over vec<>
1452         with range based for.
1453         (cxx_eval_store_expression): Likewise.
1454         (cxx_eval_loop_expr): Likewise.
1455         * decl.c (wrapup_namespace_globals): Likewise.
1456         (cp_finish_decl): Likewise.
1457         (cxx_simulate_enum_decl): Likewise.
1458         * parser.c (cp_parser_postfix_expression): Likewise.
1459
1460 2021-06-12  Jason Merrill  <jason@redhat.com>
1461
1462         PR c++/101029
1463         * init.c (build_vec_init): Shortcut [0] case.
1464
1465 2021-06-12  Jason Merrill  <jason@redhat.com>
1466
1467         * pt.c (lookup_template_class_1): Shortcut current_class_type.
1468
1469 2021-06-11  Patrick Palka  <ppalka@redhat.com>
1470
1471         DR 1227
1472         PR c++/96560
1473         * pt.c (tsubst_arg_types): Rearrange so that we substitute into
1474         TYPE_ARG_TYPES in forward order while short circuiting
1475         appropriately.  Adjust formatting.
1476
1477 2021-06-11  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR c++/100974
1480         * cp-tree.h (struct saved_scope): Add consteval_if_p
1481         member.  Formatting fix for the discarded_stmt comment.
1482         (in_consteval_if_p, IF_STMT_CONSTEVAL_P): Define.
1483         * parser.c (cp_parser_lambda_expression): Temporarily disable
1484         in_consteval_if_p when parsing lambda body.
1485         (cp_parser_selection_statement): Parse consteval if.
1486         * decl.c (struct named_label_entry): Add in_consteval_if member.
1487         (level_for_consteval_if): New function.
1488         (poplevel_named_label_1, check_previous_goto_1, check_goto): Handle
1489         consteval if.
1490         * constexpr.c (cxx_eval_builtin_function_call): Clarify in comment
1491         why CP_BUILT_IN_IS_CONSTANT_EVALUATED needs to *non_constant_p
1492         for !ctx->manifestly_const_eval.
1493         (cxx_eval_conditional_expression): For IF_STMT_CONSTEVAL_P evaluate
1494         condition as if it was __builtin_is_constant_evaluated call.
1495         (potential_constant_expression_1): For IF_STMT_CONSTEVAL_P always
1496         recurse on both branches.
1497         * cp-gimplify.c (genericize_if_stmt): Genericize IF_STMT_CONSTEVAL_P
1498         as the else branch.
1499         * pt.c (tsubst_expr) <case IF_STMT>: Copy IF_STMT_CONSTEVAL_P.
1500         Temporarily set in_consteval_if_p when recursing on
1501         IF_STMT_CONSTEVAL_P then branch.
1502         (tsubst_lambda_expr): Temporarily disable
1503         in_consteval_if_p when instantiating lambda body.
1504         * call.c (immediate_invocation_p): Return false when
1505         in_consteval_if_p.
1506
1507 2021-06-11  Marek Polacek  <polacek@redhat.com>
1508
1509         PR c++/100995
1510         * constexpr.c (maybe_constexpr_fn): New.
1511         * cp-tree.h (maybe_constexpr_fn): Declare.
1512         * semantics.c (find_std_constant_evaluated_r): New.
1513         (maybe_warn_for_constant_evaluated): New.
1514         (finish_if_stmt_cond): Call it.
1515
1516 2021-06-10  Patrick Palka  <ppalka@redhat.com>
1517
1518         PR c++/67829
1519         * pt.c (unify) <case BOUND_TEMPLATE_TEMPLATE_PARM>: When
1520         the TEMPLATE_DECL of a BOUND_TEMPLATE_TEMPLATE_PARM argument is
1521         a template template parameter, adjust to the
1522         TEMPLATE_TEMPLATE_PARAMETER before falling through.
1523
1524 2021-06-10  Patrick Palka  <ppalka@redhat.com>
1525
1526         PR c++/100946
1527         * constraint.cc (normalize_placeholder_type_constraints): When
1528         normalizing a non-templated return-type-requirement, add a dummy
1529         level to initial_parms.
1530
1531 2021-06-08  Marek Polacek  <polacek@redhat.com>
1532
1533         PR c++/100065
1534         * decl.c (grokdeclarator): Store a value-dependent
1535         explicit-specifier even for deduction guides.
1536
1537 2021-06-08  Jason Merrill  <jason@redhat.com>
1538
1539         * parser.c (cp_parser_string_literal): Adjust diagnostic.
1540
1541 2021-06-08  Jason Merrill  <jason@redhat.com>
1542
1543         PR c++/100963
1544         * call.c (perfect_conversion_p): Check check_narrowing.
1545
1546 2021-06-08  Jason Merrill  <jason@redhat.com>
1547
1548         PR c++/91706
1549         * name-lookup.c (get_class_binding): Keep a BASELINK.
1550         (set_inherited_value_binding_p): Adjust.
1551         * lambda.c (is_lambda_ignored_entity): Adjust.
1552         * pt.c (lookup_template_function): Copy a BASELINK before
1553         modifying it.
1554
1555 2021-06-08  Jason Merrill  <jason@redhat.com>
1556
1557         PR c++/91706
1558         * semantics.c (baselink_for_fns): Fix BASELINK_BINFO.
1559
1560 2021-06-08  Jason Merrill  <jason@redhat.com>
1561
1562         * module.cc (duplicate_hash::hash): Comment out.
1563         (trees_in::tree_value): Adjust loop counter.
1564
1565 2021-06-08  Jason Merrill  <jason@redhat.com>
1566
1567         PR c++/100102
1568         * init.c (build_offset_ref): Return the BASELINK for a static
1569         member function.
1570
1571 2021-06-07  Patrick Palka  <ppalka@redhat.com>
1572
1573         PR c++/100918
1574         * parser.c (cp_parser_lookup_name): Check access of the lookup
1575         result before we potentially adjust an injected-class-name to
1576         its TEMPLATE_DECL.
1577
1578 2021-06-06  Jakub Jelinek  <jakub@redhat.com>
1579
1580         PR c/100902
1581         * parser.c (cp_parser_omp_target): Call c_omp_adjust_map_clauses
1582         even when target is combined with other constructs.
1583
1584 2021-06-04  Patrick Palka  <ppalka@redhat.com>
1585
1586         PR c++/100893
1587         * pt.c (convert_template_argument): Strip top-level cv-quals
1588         on the substituted type of a non-type template parameter.
1589
1590 2021-06-04  Patrick Palka  <ppalka@redhat.com>
1591
1592         PR c++/100102
1593         * pt.c (tsubst_function_decl): Remove old code for reducing
1594         args when it has excess levels.
1595
1596 2021-06-04  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR c++/100872
1599         * name-lookup.c (maybe_save_operator_binding): Add op_attr after all
1600         ATTR_IS_DEPENDENT attributes in the DECL_ATTRIBUTES list rather than
1601         to the start.
1602
1603 2021-06-03  Patrick Palka  <ppalka@redhat.com>
1604
1605         PR c++/100592
1606         * decl.c (make_typename_type): After calling
1607         lookup_template_class, adjust the result to its TYPE_NAME and
1608         then consider the tf_keep_type_decl flag.
1609
1610 2021-06-03  Patrick Palka  <ppalka@redhat.com>
1611
1612         PR c++/100862
1613         * pt.c (set_current_access_from_decl): Move to ...
1614         * class.c (set_current_access_from_decl): ... here.
1615         (handle_using_decl): Use it to propagate the access of the
1616         using-enum decl to the copy of the imported enumerator.
1617         * cp-tree.h (set_current_access_from_decl): Declare.
1618         * decl.c (build_enumerator): Simplify using make_temp_override
1619         and set_current_access_from_decl.
1620
1621 2021-06-03  Jakub Jelinek  <jakub@redhat.com>
1622
1623         PR c++/100859
1624         * semantics.c (handle_omp_array_sections_1): For
1625         OMP_CLAUSE_{AFFINITY,DEPEND} handle FIELD_DECL base using
1626         finish_non_static_data_member and allow this as base.
1627         (finish_omp_clauses): Move OMP_CLAUSE_AFFINITY
1628         after depend only cases.  Let this be diagnosed by !lvalue_p
1629         case for OMP_CLAUSE_{AFFINITY,DEPEND} and remove useless
1630         assert.
1631         * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_AFFINITY.
1632
1633 2021-06-02  Jason Merrill  <jason@redhat.com>
1634
1635         PR c++/100838
1636         * call.c (convert_like_internal): Clear tf_no_cleanup when
1637         recursing.
1638         (build_user_type_conversion_1): Only add ck_rvalue if
1639         LOOKUP_ONLYCONVERTING.
1640
1641 2021-06-01  Patrick Palka  <ppalka@redhat.com>
1642
1643         PR c++/65816
1644         * init.c (expand_aggr_init_1): Check
1645         type_has_non_user_provided_default_constructor instead of
1646         type_has_user_provided_constructor.
1647
1648 2021-06-01  Jason Merrill  <jason@redhat.com>
1649
1650         PR c++/91859
1651         * call.c (build_op_delete_call): Don't set CALL_FROM_NEW_OR_DELETE_P
1652         for destroying delete.
1653         * init.c (build_delete): Don't clobber before destroying delete.
1654
1655 2021-06-01  Jason Merrill  <jason@redhat.com>
1656
1657         PR c++/94492
1658         * decl2.c (cp_warn_deprecated_use): Check warning_enabled_at.
1659
1660 2021-05-31  Richard Biener  <rguenther@suse.de>
1661
1662         PR c++/88601
1663         * cp-objcp-common.c (names_builtin_p): Handle
1664         RID_BUILTIN_SHUFFLEVECTOR.
1665         * cp-tree.h (build_x_shufflevector): Declare.
1666         * parser.c (cp_parser_postfix_expression): Handle
1667         RID_BUILTIN_SHUFFLEVECTOR.
1668         * pt.c (tsubst_copy_and_build): Handle IFN_SHUFFLEVECTOR.
1669         * typeck.c (build_x_shufflevector): Build either a lowered
1670         VEC_PERM_EXPR or an unlowered shufflevector via a temporary
1671         internal function IFN_SHUFFLEVECTOR.
1672
1673 2021-05-28  Jason Merrill  <jason@redhat.com>
1674
1675         * constexpr.c (build_data_member_initialization): Use tsi_range.
1676         (build_constexpr_constructor_member_initializers): Likewise.
1677         (constexpr_fn_retval, cxx_eval_statement_list): Likewise.
1678         (potential_constant_expression_1): Likewise.
1679         * coroutines.cc (await_statement_expander): Likewise.
1680         (await_statement_walker): Likewise.
1681         * module.cc (trees_out::core_vals): Likewise.
1682         * pt.c (tsubst_expr): Likewise.
1683         * semantics.c (set_cleanup_locs): Likewise.
1684
1685 2021-05-28  Jason Merrill  <jason@redhat.com>
1686
1687         PR c++/100797
1688         PR c++/95719
1689         * call.c (build_over_call): Adjust base_binfo in
1690         resolves_to_fixed_type_p case.
1691
1692 2021-05-28  Jakub Jelinek  <jakub@redhat.com>
1693
1694         PR middle-end/99928
1695         * semantics.c (handle_omp_array_sections): Copy
1696         OMP_CLAUSE_MAP_IMPLICIT.
1697         (finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
1698         marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT.  Add
1699         map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER
1700         maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is
1701         present too.  For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause
1702         if present in map_head, map_field_head or map_firstprivate_head
1703         bitmaps.
1704
1705 2021-05-28  Tobias Burnus  <tobias@codesourcery.com>
1706
1707         * parser.c (cp_parser_omp_clause_affinity): New.
1708         (cp_parser_omp_clause_name, cp_parser_omp_var_list_no_open,
1709         cp_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity
1710         clause.
1711         * semantics.c (handle_omp_array_sections_1, handle_omp_array_sections,
1712         finish_omp_clauses): Likewise.
1713
1714 2021-05-27  Matthias Kretz  <kretz@kde.org>
1715
1716         PR c++/100716
1717         * error.c (dump_template_bindings): Include code to print
1718         "[with" and ']', conditional on whether anything is printed at
1719         all. This is tied to whether a semicolon is needed to separate
1720         multiple template parameters. If the template argument repeats
1721         the template parameter (T = T), then skip the parameter.
1722         (dump_substitution): Moved code to print "[with" and ']' to
1723         dump_template_bindings.
1724         (dump_function_decl): Partial revert of PR50828, which masked
1725         TFF_TEMPLATE_NAME for all of dump_function_decl. Now
1726         TFF_TEMPLATE_NAME is masked for the scope of the function and
1727         only carries through to dump_function_name.
1728         (dump_function_name): Avoid calling dump_template_parms if
1729         TFF_TEMPLATE_NAME is set.
1730
1731 2021-05-27  Matthias Kretz  <kretz@kde.org>
1732
1733         PR c++/100763
1734         * error.c: Call dump_scope when printing a typedef.
1735
1736 2021-05-27  Patrick Palka  <ppalka@redhat.com>
1737
1738         PR c++/99893
1739         * tree.c (cp_walk_subtrees) <case STATIC_ASSERT>: New case.
1740
1741 2021-05-27  Jason Merrill  <jason@redhat.com>
1742
1743         PR c++/86355
1744         * pt.c (use_pack_expansion_extra_args_p): Don't compare
1745         args from the same argument pack.
1746
1747 2021-05-27  Patrick Palka  <ppalka@redhat.com>
1748
1749         DR 1315
1750         PR c++/67593
1751         PR c++/96555
1752         * pt.c (process_partial_specialization): Don't error on a
1753         non-simple non-type template argument that involves template
1754         parameters.
1755         (for_each_template_parm_r): Don't walk TRAIT_EXPR, PLUS_EXPR,
1756         MULT_EXPR, or SCOPE_REF when include_nondeduced_p is false.
1757
1758 2021-05-26  Patrick Palka  <ppalka@redhat.com>
1759
1760         PR c++/100502
1761         * typeck.c (finish_class_member_access_expr): Disable ahead
1762         of time access checking during the member lookup.
1763
1764 2021-05-26  Patrick Palka  <ppalka@redhat.com>
1765
1766         PR c++/100368
1767         * tree.c (build_target_expr_with_type): Don't call force_rvalue
1768         on CALL_EXPR initializer.  Simplify now that bot_manip is no
1769         longer a caller.
1770         (bot_manip): Use force_target_expr instead of
1771         build_target_expr_with_type.
1772
1773 2021-05-26  Patrick Palka  <ppalka@redhat.com>
1774
1775         PR c++/97420
1776         * cvt.c (noexcept_conv_p): Remove redundant checks and simplify.
1777         (fnptr_conv_p): Don't call non_reference.  Use INDIRECT_TYPE_P
1778         instead of TYPE_PTR_P.
1779         * pt.c (convert_nontype_argument_function): Look through
1780         implicit INDIRECT_REFs before calling strip_fnptr_conv.
1781
1782 2021-05-25  Jakub Jelinek  <jakub@redhat.com>
1783
1784         PR c++/100666
1785         * call.c (convert_arg_to_ellipsis): For expressions with NULLPTR_TYPE
1786         and side-effects, temporarily disable -Wunused-result warning when
1787         building COMPOUND_EXPR.
1788
1789 2021-05-21  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR middle-end/99928
1792         * semantics.c (finish_omp_clauses): Move firstprivate clauses with
1793         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain.  Don't error
1794         if a decl is mentioned both in map clause and in such firstprivate
1795         clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set.
1796
1797 2021-05-20  Jason Merrill  <jason@redhat.com>
1798
1799         * call.c (reference_binding): Check for designator.
1800         (implicit_conversion_1, build_special_member_call): Likewise.
1801         * decl.c (reshape_init_r): Likewise.
1802         * pt.c (do_class_deduction): Likewise.
1803         * typeck2.c (digest_init_r): Likewise.
1804
1805 2021-05-20  Jason Merrill  <jason@redhat.com>
1806
1807         PR c++/100489
1808         * decl.c (reshape_init_class): Handle designator for
1809         member of anonymous aggregate here.
1810         * typeck2.c (process_init_constructor_record): Not here.
1811
1812 2021-05-20  Jonathan Wakely  <jwakely@redhat.com>
1813
1814         * call.c (maybe_warn_array_conv): Use new warning option.
1815         * decl.c (mark_inline_variable, grokdeclarator): Likewise.
1816         * error.c (maybe_warn_cpp0x): Likewise.
1817         * parser.c (cp_parser_primary_expression)
1818         (cp_parser_unqualified_id)
1819         (cp_parser_pseudo_destructor_name)
1820         (cp_parser_lambda_introducer)
1821         (cp_parser_lambda_declarator_opt)
1822         (cp_parser_selection_statement)
1823         (cp_parser_init_statement)
1824         (cp_parser_decomposition_declaration)
1825         (cp_parser_function_specifier_opt)
1826         (cp_parser_static_assert)
1827         (cp_parser_namespace_definition)
1828         (cp_parser_using_declaration)
1829         (cp_parser_asm_definition)
1830         (cp_parser_ctor_initializer_opt_and_function_body)
1831         (cp_parser_initializer_list)
1832         (cp_parser_type_parameter_key)
1833         (cp_parser_member_declaration)
1834         (cp_parser_try_block)
1835         (cp_parser_std_attribute_spec): Likewise.
1836         * pt.c (check_template_variable): Likewise.
1837
1838 2021-05-20  Jason Merrill  <jason@redhat.com>
1839
1840         PR c++/100634
1841         * pt.c (invalid_nontype_parm_type_p): Return true for COMPLEX_TYPE.
1842
1843 2021-05-20  Jason Merrill  <jason@redhat.com>
1844
1845         PR c++/100659
1846         * cp-tree.h (CONST_DECL_USING_P): Check for null TREE_TYPE.
1847
1848 2021-05-19  Jason Merrill  <jason@redhat.com>
1849
1850         PR c++/100367
1851         PR c++/96299
1852         * method.c (genericize_spaceship): Use fold_build2 for scalar
1853         operands.
1854
1855 2021-05-19  Jason Merrill  <jason@redhat.com>
1856
1857         * pt.c (build_deduction_guide): Treat the implicit deduction guide
1858         as a member of the class.
1859
1860 2021-05-19  Marek Polacek  <polacek@redhat.com>
1861
1862         PR c++/100596
1863         * cp-tree.h (any_non_type_attribute_p): Remove.
1864         * decl.c (grokdeclarator): Turn an error into a warning and only
1865         warn for standard attributes.
1866         * decl2.c (any_non_type_attribute_p): Remove.
1867         * parser.c (cp_parser_elaborated_type_specifier): Turn an error
1868         into a warning and only warn for standard attributes.
1869         (cp_parser_member_declaration): Likewise.
1870
1871 2021-05-19  Martin Liska  <mliska@suse.cz>
1872
1873         PR testsuite/100658
1874         * mangle.c (write_encoding): Fix typos.
1875
1876 2021-05-19  Jakub Jelinek  <jakub@redhat.com>
1877
1878         PR middle-end/99928
1879         * parser.c (cp_parser_omp_master): Set OMP_MASTER_COMBINED on
1880         master when combined with taskloop.
1881         (cp_parser_omp_parallel): Don't set OMP_PARALLEL_COMBINED on
1882         parallel master when not combined with taskloop.
1883
1884 2021-05-19  Jason Merrill  <jason@redhat.com>
1885
1886         PR c++/100261
1887         * rtti.c (get_tinfo_decl_direct): Check TYPE_TRANSPARENT_AGGR.
1888
1889 2021-05-19  Jason Merrill  <jason@redhat.com>
1890
1891         PR c++/100372
1892         * tree.c (strip_typedefs): Only look at the pattern of a
1893         TYPE_PACK_EXPANSION if it's a type.
1894
1895 2021-05-18  Marek Polacek  <polacek@redhat.com>
1896
1897         * class.c (classtype_has_non_deleted_copy_ctor): Remove.
1898         * constraint.cc (contains_wildcard_p): Likewise.
1899         (get_template_head_requirements): Likewise.
1900         (check_constrained_friend): Likewise.
1901         (subsumes_constraints): Likewise.
1902         * cp-tree.h (classtype_has_non_deleted_copy_ctor): Likewise.
1903         (push_void_library_fn): Likewise.
1904         (get_pattern_parm): Likewise.
1905         (get_template_parms_at_level): Likewise.
1906         (lambda_return_type): Likewise.
1907         (get_template_head_requirements): Likewise.
1908         (check_constrained_friend): Likewise.
1909         (subsumes_constraints): Likewise.
1910         * decl.c (push_void_library_fn): Likewise.
1911         * lambda.c (lambda_return_type): Likewise.
1912         * pt.c (get_template_parms_at_level): Likewise.
1913         (get_pattern_parm): Likewise.
1914
1915 2021-05-18  Jason Merrill  <jason@redhat.com>
1916
1917         PR c++/100644
1918         * call.c (perfect_candidate_p): An implicitly deleted move
1919         is not perfect.
1920
1921 2021-05-18  Andreas Krebbel  <krebbel@linux.ibm.com>
1922
1923         PR c++/100281
1924         * cvt.c (cp_convert_to_pointer): Use the size of the target
1925         pointer type.
1926         * tree.c (cp_build_reference_type): Call
1927         cp_build_reference_type_for_mode with VOIDmode.
1928         (cp_build_reference_type_for_mode): Rename from
1929         cp_build_reference_type.  Add MODE argument and invoke
1930         build_reference_type_for_mode.
1931         (strip_typedefs): Use build_pointer_type_for_mode and
1932         cp_build_reference_type_for_mode for pointers and references.
1933
1934 2021-05-17  Jonathan Wakely  <jwakely@redhat.com>
1935
1936         PR c++/100635
1937         * call.c (convert_like_internal): Print different diagnostic if
1938         the lvalue reference is const.
1939
1940 2021-05-14  Jason Merrill  <jason@redhat.com>
1941
1942         PR c++/95870
1943         * pt.c (enclosing_instantiation_of): Just compare
1944         DECL_SOURCE_LOCATION.
1945         (regenerate_decl_from_template): Copy DECL_SOURCE_LOCATION.
1946
1947 2021-05-14  Marek Polacek  <polacek@redhat.com>
1948             Jason Merrill  <jason@redhat.com>
1949
1950         PR c++/99032
1951         * cp-tree.h (any_non_type_attribute_p): Declare.
1952         * decl.c (grokdeclarator): Diagnose when an attribute appertains to
1953         a friend declaration that is not a definition.
1954         * decl2.c (any_non_type_attribute_p): New.
1955         * parser.c (cp_parser_decl_specifier_seq): Diagnose standard attributes
1956         in the middle of decl-specifiers.
1957         (cp_parser_elaborated_type_specifier): Diagnose when an attribute
1958         appertains to a friend declaration that is not a definition.
1959         (cp_parser_member_declaration): Likewise.
1960
1961 2021-05-12  Marek Polacek  <polacek@redhat.com>
1962
1963         * pt.c (tsubst_copy_and_build): Add warn_int_in_bool_context
1964         sentinel.
1965
1966 2021-05-12  Marcel Vollweiler  <marcel@codesourcery.com>
1967
1968         * parser.c (cp_parser_omp_clause_map): Support map-type-modifier
1969         'close'.
1970
1971 2021-05-11  Jason Merrill  <jason@redhat.com>
1972
1973         PR c++/100517
1974         * typeck.c (build_reinterpret_cast_1): Check intype on
1975         cast to vector.
1976
1977 2021-05-11  Patrick Palka  <ppalka@redhat.com>
1978
1979         PR c++/51577
1980         * name-lookup.c (maybe_save_operator_binding): Unconditionally
1981         enable for all function templates, not just generic lambdas.
1982         Handle compound-assignment operator expressions.
1983         * typeck.c (build_x_compound_expr): Call maybe_save_operator_binding
1984         in the type-dependent case.
1985         (build_x_modify_expr): Likewise.  Move declaration of 'op' closer
1986         to its first use.
1987
1988 2021-05-11  Patrick Palka  <ppalka@redhat.com>
1989
1990         PR c++/100138
1991         * constraint.cc (tsubst_constraint): Set up cp_unevaluated.
1992         (satisfy_atom): Set up iloc_sentinel before calling
1993         cxx_constant_value.
1994         * pt.c (tsubst_pack_expansion): When returning a rebuilt pack
1995         expansion, carry over PACK_EXPANSION_LOCAL_P and
1996         PACK_EXPANSION_SIZEOF_P from the original pack expansion.
1997
1998 2021-05-10  Richard Biener  <rguenther@suse.de>
1999
2000         PR middle-end/100464
2001         PR c++/100468
2002         * call.c (set_up_extended_ref_temp): Mark the temporary
2003         addressable if the TARGET_EXPR was.
2004
2005 2021-05-10  Martin Liska  <mliska@suse.cz>
2006
2007         * decl.c (duplicate_decls): Use startswith
2008         function instead of strncmp.
2009         (cxx_builtin_function): Likewise.
2010         (omp_declare_variant_finalize_one): Likewise.
2011         (grokfndecl): Likewise.
2012         * error.c (dump_decl_name): Likewise.
2013         * mangle.c (find_decomp_unqualified_name): Likewise.
2014         (write_guarded_var_name): Likewise.
2015         (decl_tls_wrapper_p): Likewise.
2016         * parser.c (cp_parser_simple_type_specifier): Likewise.
2017         (cp_parser_tx_qualifier_opt): Likewise.
2018         * pt.c (template_parm_object_p): Likewise.
2019         (dguide_name_p): Likewise.
2020
2021 2021-05-10  Martin Liska  <mliska@suse.cz>
2022
2023         PR c++/99616
2024         * decl.c (grokdeclarator): Remove redundant NULL check.
2025
2026 2021-05-07  Jason Merrill  <jason@redhat.com>
2027
2028         * tree.c (rvalue): Assert expr is not a class lvalue.
2029
2030 2021-05-07  Jason Merrill  <jason@redhat.com>
2031
2032         * cp-tree.h (build_stub_object): Declare.
2033         * method.c (build_stub_object): No longer static.
2034         * call.c (can_convert): Use it.
2035         * tree.c (build_dummy_object): Adjust comment.
2036         * typeck.c (cp_build_binary_op): Wrap SPACESHIP_EXPR in a
2037         TARGET_EXPR.
2038
2039 2021-05-07  Jason Merrill  <jason@redhat.com>
2040
2041         * coroutines.cc (build_co_await): Don't call 'rvalue'.
2042         (flatten_await_stmt): Simplify initialization.
2043         (morph_fn_to_coro): Change 'rvalue' to 'move'.  Simplify.
2044
2045 2021-05-04  Tobias Burnus  <tobias@codesourcery.com>
2046
2047         * semantics.c (finish_omp_reduction_clause): Accept float + complex
2048         for || and && reductions.
2049
2050 2021-05-03  Patrick Palka  <ppalka@redhat.com>
2051
2052         PR c++/100362
2053         * parser.c (cp_parser_class_head): Reinstate calls to pushclass
2054         and popclass when parsing the base-clause that were removed in
2055         r11-6815.
2056
2057 2021-05-03  Patrick Palka  <ppalka@redhat.com>
2058
2059         PR c++/68942
2060         PR c++/100344
2061         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Set tf_conv
2062         only when the callee is a FUNCTION_DECL.
2063
2064 2021-05-03  Marek Polacek  <polacek@redhat.com>
2065
2066         PR c++/100055
2067         * decl.c (grokfndecl): Check current_template_parms.
2068
2069 2021-05-03  Marek Polacek  <polacek@redhat.com>
2070
2071         DR 1312
2072         * constexpr.c (cxx_eval_constant_expression): Don't check
2073         integer_zerop.
2074
2075 2021-05-01  Jason Merrill  <jason@redhat.com>
2076
2077         * cp-tree.h (class ovl_iterator): Allow copying.  Add op==.
2078         (class ovl_range, class lkp_range): New.
2079         * call.c (build_op_call_1, add_candidates): Use them.
2080         (build_op_delete_call, has_trivial_copy_assign_p): Likewise.
2081         (has_trivial_copy_p): Likewise.
2082         * class.c (handle_using_decl, get_basefndecls): Likewise.
2083         (maybe_warn_about_overly_private_class): Likewise.
2084         (warn_hidden, add_implicitly_declared_members): Likewise.
2085         (check_methods, clone_constructors_and_destructors): Likewise.
2086         (type_has_user_nondefault_constructor): Likewise.
2087
2088 2021-04-29  Jason Merrill  <jason@redhat.com>
2089
2090         * constexpr.c (cxx_fold_indirect_ref_1): Only set *empty_base if we
2091         don't find a field.
2092
2093 2021-04-29  Jason Merrill  <jason@redhat.com>
2094
2095         PR c++/51344
2096         * decl2.c (grokfield): Call cplus_decl_attributes for friend.
2097         (save_template_attributes): Use chainon.
2098         * friend.c (do_friend): Remove attrlist parm.
2099         * cp-tree.h (do_friend): Adjust.
2100         * class.c (add_implicitly_declared_members): Adjust.
2101         * decl.c (grokdeclarator): Adjust.
2102         * pt.c (apply_late_template_attributes): Optimize.
2103
2104 2021-04-29  Jason Merrill  <jason@redhat.com>
2105
2106         PR c++/97974
2107         * class.c (finish_struct_anon_r): Drop complain parm.
2108         Remove non-field diagnostic.
2109         (finish_struct_anon): Adjust.
2110         * decl.c (fixup_anonymous_aggr): Move non-field diagnostic here.
2111
2112 2021-04-29  Jason Merrill  <jason@redhat.com>
2113
2114         * cp-tree.h (cp_evaluated): Add reset parm to constructor.
2115         * parser.c (cp_parser_constant_expression): Change
2116         allow_non_constant_p to int.  Use cp_evaluated.
2117         (cp_parser_initializer_clause): Pass 2 to allow_non_constant_p.
2118         * semantics.c (finish_id_expression_1): Don't mess with
2119         cp_unevaluated_operand here.
2120
2121 2021-04-29  Jason Merrill  <jason@redhat.com>
2122
2123         * cp-tree.h: Clarify comments.
2124         * pt.c (get_template_parm_object): Add assert.
2125         * semantics.c (finish_compound_literal): Clear TREE_HAS_CONSTRUCTOR.
2126         * tree.c (zero_init_expr_p): Check TREE_HAS_CONSTRUCTOR.
2127         * typeck2.c (store_init_value): Likewise.
2128
2129 2021-04-29  Patrick Palka  <ppalka@redhat.com>
2130
2131         PR c++/68942
2132         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: When KOENIG_P,
2133         set tf_conv during the initial substitution into the function.
2134
2135 2021-04-29  Jakub Jelinek  <jakub@redhat.com>
2136
2137         PR c++/100319
2138         * semantics.c (finish_omp_clauses): Fix up check that variable
2139         mentioned in detach clause doesn't appear in data-sharing clauses.
2140
2141 2021-04-28  Jakub Jelinek  <jakub@redhat.com>
2142
2143         * module.cc: Remove #error that triggers if DEV-PHASE is empty.
2144
2145 2021-04-27  Jason Merrill  <jason@redhat.com>
2146
2147         PR c++/92145
2148         * class.c (classtype_has_depr_implicit_copy): Check DECL_CONTEXT
2149         of operator=.
2150
2151 2021-04-27  Patrick Palka  <ppalka@redhat.com>
2152
2153         PR c++/88580
2154         * pt.c (tsubst_initializer_list): Correctly handle the case
2155         where an argument inside a base initializer pack expansion is
2156         itself a pack expansion.
2157
2158 2021-04-26  Patrick Palka  <ppalka@redhat.com>
2159
2160         PR c++/100209
2161         * constexpr.c (cxx_fold_indirect_ref): Try to canonicalize the
2162         object/offset pair for a POINTER_PLUS_EXPR of a COMPONENT_REF
2163         with a negative offset into one whose offset is nonnegative
2164         before calling cxx_fold_indirect_ref_1.
2165
2166 2021-04-24  Patrick Palka  <ppalka@redhat.com>
2167
2168         PR c++/89565
2169         PR c++/93383
2170         PR c++/95291
2171         PR c++/99200
2172         PR c++/99683
2173         * pt.c (do_class_deduction): Punt if the initializer is
2174         type-dependent.
2175
2176 2021-04-24  Patrick Palka  <ppalka@redhat.com>
2177
2178         PR c++/87709
2179         * parser.c (cp_parser_type_id_1): If we see a template
2180         placeholder, first try simulating an error before issuing
2181         a real error.
2182
2183 2021-04-23  Patrick Palka  <ppalka@redhat.com>
2184
2185         PR c++/98767
2186         * cxx-pretty-print.c (pp_cxx_parameter_declaration_clause):
2187         Adjust parameter list loop to iterate over 'types' instead of
2188         'args'.  Output the trailing '...' for a variadic function.
2189         Remove PARM_DECL support.
2190         (pp_cxx_requires_expr): Pretty print the parameter list directly
2191         instead of going through pp_cxx_parameter_declaration_clause.
2192
2193 2021-04-23  Patrick Palka  <ppalka@redhat.com>
2194
2195         DR 2374
2196         * decl.c (is_direct_enum_init): Check the implicit
2197         convertibility requirement added by CWG 2374.
2198
2199 2021-04-23  Martin Liska  <mliska@suse.cz>
2200
2201         * cp-tree.h (STATIC_ASSERT): Prefer static assert.
2202         * lex.c (init_operators): Remove run-time check.
2203
2204 2021-04-22  Marek Polacek  <polacek@redhat.com>
2205
2206         PR c++/100161
2207         * pt.c (tsubst_copy_and_build) <case PLUS_EXPR>: Test op0 and
2208         op1 separately for value- or type-dependence.
2209
2210 2021-04-21  Marek Polacek  <polacek@redhat.com>
2211
2212         PR c++/96380
2213         * parser.c (cp_parser_enum_specifier): Don't allow defining
2214         types in enum-base.
2215
2216 2021-04-21  Martin Liska  <mliska@suse.cz>
2217
2218         Revert:
2219         2021-04-21  Martin Liska  <mliska@suse.cz>
2220
2221         * error.c (dump_decl): Use flags in dump_generic_node call.
2222
2223 2021-04-21  Martin Liska  <mliska@suse.cz>
2224
2225         * error.c (dump_decl): Use flags in dump_generic_node call.
2226
2227 2021-04-21  Martin Liska  <mliska@suse.cz>
2228
2229         * error.c (dump_decl): Support anonymous labels.
2230
2231 2021-04-20  Jason Merrill  <jason@redhat.com>
2232
2233         PR c++/100109
2234         * pt.c (find_parameter_packs_r): Look into enum initializers.
2235
2236 2021-04-19  Marek Polacek  <polacek@redhat.com>
2237
2238         PR c++/97536
2239         * decl.c (grokvardecl): Given an error when a concept is not defined
2240         at namespace scope.
2241
2242 2021-04-16  Jakub Jelinek  <jakub@redhat.com>
2243
2244         PR c++/100111
2245         * constexpr.c (cxx_eval_store_expression): Don't add CONSTRUCTORs
2246         for empty classes into *valp when types don't match even when *valp
2247         is NULL.
2248
2249 2021-04-16  Marek Polacek  <polacek@redhat.com>
2250
2251         PR c++/99803
2252         * decl.c (make_typename_type): Give an error and return when
2253         name is is_overloaded_fn.
2254         * parser.c (cp_parser_class_name): Don't check is_overloaded_fn
2255         before calling make_typename_type.
2256
2257 2021-04-16  Patrick Palka  <ppalka@redhat.com>
2258
2259         PR c++/99700
2260         * constexpr.c (reduced_constant_expression_p): For array
2261         CONSTRUCTORs, use a dedicated loop that additionally verifies
2262         the CONSTRUCTOR spans the entire array.
2263
2264 2021-04-16  Jakub Jelinek  <jakub@redhat.com>
2265
2266         PR c++/99850
2267         * parser.c (cp_parser_constraint_requires_parens) <case CPP_DEREF>:
2268         If lambda_p, return pce_ok instead of pce_maybe_postfix.
2269
2270 2021-04-16  Jakub Jelinek  <jakub@redhat.com>
2271
2272         PR c++/99833
2273         * pt.c (extract_locals_r): When handling DECL_EXPR of a structured
2274         binding, add to data.internal also all corresponding structured
2275         binding decls.
2276
2277 2021-04-16  Jason Merrill  <jason@redhat.com>
2278
2279         PR c++/100079
2280         * cp-tree.h (first_field): Declare.
2281         * mangle.c (range_expr_nelts): New.
2282         (write_expression): Improve class NTTP mangling.
2283         * pt.c (get_template_parm_object): Clear TREE_HAS_CONSTRUCTOR.
2284         * tree.c (zero_init_expr_p): Improve class NTTP handling.
2285         * decl.c: Adjust comment.
2286
2287 2021-04-15  Jason Merrill  <jason@redhat.com>
2288
2289         PR c++/80456
2290         * call.c (build_new_method_call_1): Check again for side-effects
2291         with a volatile object.
2292
2293 2021-04-15  Jason Merrill  <jason@redhat.com>
2294
2295         PR c++/100101
2296         PR c++/99583
2297         * pt.c (find_parameter_packs_r) [FUNCTION_TYPE]: Walk into
2298         TYPE_RAISES_EXCEPTIONS here.
2299         * tree.c (cp_walk_subtrees): Not here.
2300
2301 2021-04-15  Jason Merrill  <jason@redhat.com>
2302
2303         PR c++/100091
2304         PR c++/99478
2305         * parser.c (cp_parser_default_type_template_argument): Set
2306         parser->local_variables_forbidden_p.
2307
2308 2021-04-15  Richard Sandiford  <richard.sandiford@arm.com>
2309
2310         PR c++/98852
2311         * typeck.c (merge_type_attributes_from): New function.
2312         (cp_common_type): Use it for vector types.
2313
2314 2021-04-14  Jason Merrill  <jason@redhat.com>
2315
2316         PR c++/100078
2317         PR c++/93085
2318         * pt.c (uses_outer_template_parms): Also look at default
2319         template argument.
2320
2321 2021-04-14  Jason Merrill  <jason@redhat.com>
2322
2323         PR c++/93314
2324         * semantics.c (finish_id_expression_1): Clear cp_unevaluated_operand
2325         for a non-static data member in a constant-expression.
2326
2327 2021-04-14  Patrick Palka  <ppalka@redhat.com>
2328
2329         PR c++/83476
2330         PR c++/99885
2331         * pt.c (deducible_expression): Look through implicit
2332         INDIRECT_REFs as well.
2333
2334 2021-04-14  Jason Merrill  <jason@redhat.com>
2335
2336         PR c++/99478
2337         * parser.c (cp_parser_lambda_expression): Reject lambda
2338         in template parameter type.
2339
2340 2021-04-14  Jason Merrill  <jason@redhat.com>
2341
2342         PR c++/90674
2343         * decl.c (duplicate_decls): Don't propagate
2344         DECL_INITIALIZED_IN_CLASS_P to a specialization.
2345
2346 2021-04-14  Jason Merrill  <jason@redhat.com>
2347
2348         PR c++/88742
2349         PR c++/49951
2350         PR c++/58123
2351         * semantics.c (set_cleanup_locs): New.
2352         (do_poplevel): Call it.
2353         * parser.c (cp_parser_compound_statement): Consume the }
2354         before finish_compound_stmt.
2355
2356 2021-04-13  Jason Merrill  <jason@redhat.com>
2357
2358         PR c++/100032
2359         * pt.c (get_underlying_template): Compare TYPE_QUALS.
2360
2361 2021-04-13  Jason Merrill  <jason@redhat.com>
2362
2363         PR c++/100054
2364         PR c++/90479
2365         * init.c (get_nsdmi): Do more context adjustment for local classes.
2366
2367 2021-04-13  Patrick Palka  <ppalka@redhat.com>
2368
2369         PR c++/99008
2370         * pt.c (do_class_deduction): Reject alias CTAD in C++17 mode
2371         rather than issuing a pedwarn.
2372         * typeck2.c (build_functional_cast_1): Handle CTAD uniformly
2373         for consistent diagnostics.
2374
2375 2021-04-13  Jason Merrill  <jason@redhat.com>
2376
2377         PR c++/91933
2378         * class.c (build_base_path): Shortcut simple non-pointer case.
2379
2380 2021-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2381
2382         * module.cc (ordinary_loc_of): Test LINEMAPS_MACRO_LOWEST_LOCATION
2383         of the linemap.
2384         (module_state::write_location): Likewise.
2385
2386 2021-04-13  Patrick Palka  <ppalka@redhat.com>
2387
2388         PR c++/97134
2389         * pt.c (do_class_deduction): Look through EXPR_PACK_EXPANSION
2390         when checking if the initializer is an equivalent class
2391         placeholder template parameter.
2392
2393 2021-04-13  Patrick Palka  <ppalka@redhat.com>
2394
2395         PR c++/99961
2396         PR c++/99994
2397         * constraint.cc (satisfy_normalized_constraints): Set
2398         cp_unevaluated.
2399         * parser.c (cp_parser_concept_definition): Likewise.
2400         (cp_parser_requires_clause_opt): Likewise.
2401
2402 2021-04-12  Jason Merrill  <jason@redhat.com>
2403
2404         PR c++/93085
2405         * pt.c (uses_outer_template_parms): Handle non-type and template
2406         template parameters specifically.
2407
2408 2021-04-11  Jason Merrill  <jason@redhat.com>
2409
2410         PR c++/97974
2411         * decl.c (fixup_anonymous_aggr): Prune all functions from
2412         CLASSTYPE_MEMBER_VEC.
2413
2414 2021-04-10  Jason Merrill  <jason@redhat.com>
2415
2416         PR c++/98800
2417         PR c++/97399
2418         * parser.c (cp_parser_direct_declarator): Don't
2419         inject_this_parameter if static_p.
2420         (cp_parser_omp_var_list_no_open): Parse 'this' even if
2421         current_class_ptr isn't set for a better diagnostic.
2422
2423 2021-04-10  Jason Merrill  <jason@redhat.com>
2424
2425         PR c++/99180
2426         PR c++/93295
2427         PR c++/93867
2428         PR c++/99118
2429         PR c++/96873
2430         * pt.c (alias_ctad_tweaks): Handle failure better.
2431
2432 2021-04-10  Jason Merrill  <jason@redhat.com>
2433
2434         PR c++/100006
2435         * pt.c (find_parameter_packs_r) [TAG_DEFN]: Look into bases.
2436
2437 2021-04-09  Patrick Palka  <ppalka@redhat.com>
2438
2439         * cp-tree.h (LAMBDA_EXPR_REGENERATED_FROM)
2440         (LAMBDA_EXPR_REGENERATING_TARGS): Replace these with ...
2441         (LAMBDA_EXPR_REGEN_INFO): ... this.
2442         (tree_lambda_expr::regenerated_from)
2443         (tree_lambda_expr::regenerating_targs): Replace these with ...
2444         (tree_lambda_expr::regen_info): ... this.
2445         * constraint.cc (satisfy_declaration_constraints): Adjust
2446         accordingly.
2447         * lambda.c (build_lambda_expr): Likewise.
2448         * pt.c (regenerated_lambda_fn_p): Likewise.
2449         (most_general_lambda): Likewise.
2450         (tsubst_lambda_expr): Likewise.
2451
2452 2021-04-09  Marek Polacek  <polacek@redhat.com>
2453
2454         PR c++/99806
2455         * parser.c (cp_parser_member_declaration): Call
2456         cp_parser_save_default_args even for function templates.  Use
2457         STRIP_TEMPLATE on the declaration we're passing.
2458
2459 2021-04-08  Patrick Palka  <ppalka@redhat.com>
2460
2461         PR c++/99874
2462         * constraint.cc (get_normalized_constraints_from_decl): Handle
2463         regenerated lambdas.
2464         (satisfy_declaration_constraints): Likewise.  Check for
2465         dependent args later.
2466         * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): Replace with ...
2467         (LAMBDA_EXPR_REGENERATED_FROM): ... this.
2468         (LAMBDA_EXPR_REGENERATING_TARGS): New.
2469         (tree_lambda_expr::regenerated_from): New data member.
2470         (tree_lambda_expr::regenerating_targs): New data member.
2471         (add_to_template_args): Declare.
2472         (regenerated_lambda_fn_p): Likewise.
2473         (most_general_lambda): Likewise.
2474         * lambda.c (build_lambda_expr): Set LAMBDA_EXPR_REGENERATED_FROM
2475         and LAMBDA_EXPR_REGENERATING_TARGS.
2476         * pt.c (add_to_template_args): No longer static.
2477         (tsubst_function_decl): Unconditionally propagate constraints on
2478         the substituted function decl.
2479         (instantiated_lambda_fn_p): Rename to ...
2480         (regenerated_lambda_fn_p): ... this.  Check
2481         LAMBDA_EXPR_REGENERATED_FROM instead of
2482         LAMBDA_EXPR_INSTANTIATED.
2483         (most_general_lambda): Define.
2484         (enclosing_instantiation_of): Adjust after renaming
2485         instantiated_lambda_fn_p.
2486         (tsubst_lambda_expr): Don't set LAMBDA_EXPR_INSTANTIATED.  Set
2487         LAMBDA_EXPR_REGENERATED_FROM and LAMBDA_EXPR_REGENERATING_TARGS.
2488         Don't substitute or set constraints on the regenerated lambda.
2489
2490 2021-04-08  Patrick Palka  <ppalka@redhat.com>
2491
2492         PR c++/97679
2493         * pt.c (build_deduction_guide): Document OUTER_ARGS.  Substitute
2494         them into the propagated constraints.
2495
2496 2021-04-08  Jason Merrill  <jason@redhat.com>
2497
2498         PR c++/91849
2499         * call.c (convert_like_internal): Improve reference diagnostic.
2500
2501 2021-04-08  Jakub Jelinek  <jakub@redhat.com>
2502
2503         PR c++/99859
2504         * constexpr.c (addr_of_non_const_var): New function.
2505         (cxx_bind_parameters_in_call): Set *non_constant_args to true
2506         even if cp_walk_tree on arg with addr_of_non_const_var callback
2507         returns true.
2508
2509 2021-04-08  Jason Merrill  <jason@redhat.com>
2510
2511         PR c++/94529
2512         * pt.c (determine_specialization): Improve diagnostic.
2513
2514 2021-04-08  Marek Polacek  <polacek@redhat.com>
2515
2516         PR c++/99844
2517         * decl.c (build_explicit_specifier): Call
2518         check_for_bare_parameter_packs.
2519         * except.c (build_noexcept_spec): Likewise.
2520
2521 2021-04-07  Jason Merrill  <jason@redhat.com>
2522
2523         PR c++/41723
2524         * parser.c (cp_parser_class_name): Check dependent_scope_p.
2525
2526 2021-04-07  Jason Merrill  <jason@redhat.com>
2527
2528         PR c++/52625
2529         * pt.c (maybe_process_partial_specialization): Check
2530         DECL_SELF_REFERENCE_P.
2531
2532 2021-04-07  Jason Merrill  <jason@redhat.com>
2533
2534         PR c++/92918
2535         * name-lookup.c (push_class_level_binding_1): Do overload a new
2536         function with a previous using-declaration.
2537
2538 2021-04-06  Jason Merrill  <jason@redhat.com>
2539
2540         PR c++/96673
2541         * init.c (get_nsdmi): Don't defer access checking.
2542
2543 2021-04-06  Jason Merrill  <jason@redhat.com>
2544
2545         PR c++/99901
2546         * decl.c (cp_finish_decl): mark_needed an implicitly inline
2547         static data member with an out-of-class redeclaration.
2548
2549 2021-04-06  Jason Merrill  <jason@redhat.com>
2550
2551         PR c++/91241
2552         * mangle.c (write_compact_number): Add sanity check.
2553         (write_local_name): Use list_length for parm number.
2554
2555 2021-04-06  Patrick Palka  <ppalka@redhat.com>
2556
2557         PR c++/99899
2558         * pt.c (do_auto_deduction): Don't exit early when deducing the
2559         array type of a structured binding.  Also handle adc_decomp_type
2560         during constraint checking.
2561
2562 2021-04-05  Jason Merrill  <jason@redhat.com>
2563
2564         PR c++/96311
2565         * typeck.c (check_return_expr): Call mark_exp_read in dependent
2566         case.
2567
2568 2021-04-05  Jason Merrill  <jason@redhat.com>
2569
2570         PR c++/98440
2571         * typeck.c (build_reinterpret_cast_1): Don't perform
2572         temporary materialization.
2573
2574 2021-04-05  Jason Merrill  <jason@redhat.com>
2575
2576         PR c++/95317
2577         * pt.c (lookup_template_class_1): Do tsubst_enum when
2578         tsubsting a generic lambda.
2579
2580 2021-04-05  Jason Merrill  <jason@redhat.com>
2581
2582         PR c++/95870
2583         * pt.c (enclosing_instantiation_of): Compare DECL_SOURCE_LOCATION if
2584         there is no enclosing non-lambda function.
2585
2586 2021-04-05  Nathan Sidwell  <nathan@acm.org>
2587
2588         PR c++/99380
2589         * module.cc (name_pending_imports): Drop 'atend' parm.  Don't
2590         query export when not needed.
2591         (preprocess_module, preprocessed_module): Adjust.
2592
2593 2021-04-05  Jason Merrill  <jason@redhat.com>
2594
2595         PR c++/99066
2596         * pt.c (mark_decl_instantiated): Set DECL_EXTERNAL.
2597
2598 2021-04-05  Jason Merrill  <jason@redhat.com>
2599
2600         PR c++/99201
2601         * pt.c (class el_data): Add visited field.
2602         (extract_local_specs): Pass it to cp_walk_tree.
2603         (extract_locals_r): Walk into the body of a lambda.
2604
2605 2021-04-05  Jason Merrill  <jason@redhat.com>
2606
2607         * ptree.c (cxx_print_decl): Check DECL_MODULE_IMPORT_P on
2608         template result.
2609
2610 2021-04-04  Jason Merrill  <jason@redhat.com>
2611
2612         PR c++/99643
2613         * typeck2.c (massage_init_elt): Don't strip TARGET_EXPR.
2614
2615 2021-04-03  Marek Polacek  <polacek@redhat.com>
2616
2617         PR c++/91416
2618         * parser.c: Create a GC root for attributes in a decl specifier.
2619         (cp_parser_type_specifier): Push/pop ->attributes onto/from it.
2620
2621 2021-04-03  Jason Merrill  <jason@redhat.com>
2622
2623         PR c++/91217
2624         * pt.c (tsubst_lambda_expr): Skip the body block from
2625         DECL_SAVED_TREE.
2626
2627 2021-04-03  Jason Merrill  <jason@redhat.com>
2628
2629         PR c++/90664
2630         * cvt.c (can_convert_qual): Check fnptr_conv_p.
2631
2632 2021-04-03  Jason Merrill  <jason@redhat.com>
2633
2634         PR c++/97900
2635         * pt.c (regenerate_decl_from_template): tsubst_decl
2636         the parms.
2637
2638 2021-04-02  Patrick Palka  <ppalka@redhat.com>
2639
2640         PR c++/99869
2641         * parser.c (do_range_for_auto_deduction): Pass adc_variable_type
2642         to do_auto_deduction.
2643
2644 2021-04-02  Patrick Palka  <ppalka@redhat.com>
2645
2646         PR c++/99586
2647         * semantics.c (finish_compound_literal): Check
2648         template_placeholder_p instead of type_uses_auto.
2649
2650 2021-04-02  Jason Merrill  <jason@redhat.com>
2651
2652         PR c++/97938
2653         * cp-tree.h (PACK_EXPANSION_AUTO_P): New.
2654         * lambda.c (add_capture): Set it.
2655         * pt.c (tsubst_pack_expansion): Handle it.
2656
2657 2021-04-02  Nathan Sidwell  <nathan@acm.org>
2658
2659         * cp-tree.h (lang_decl_base): Correct module flag comment.
2660         * module.cc (trees_in::assert_definition): Break out
2661         not_tmpl var.
2662         (trees_out::lang_decl_bools): Do not write purview for header units.
2663
2664 2021-04-01  Marek Polacek  <polacek@redhat.com>
2665
2666         PR c++/99831
2667         * method.c (defaulted_late_check): ++ and -- function_depth around
2668         the call to synthesize_method.
2669         * pt.c: Remove the saved_trees global.
2670
2671 2021-04-01  Jason Merrill  <jason@redhat.com>
2672
2673         PR c++/99583
2674         PR c++/99584
2675         * tree.c (cp_walk_subtrees) [FUNCTION_TYPE]: Walk into
2676         TYPE_RAISES_EXCEPTIONS.
2677
2678 2021-04-01  Iain Sandoe  <iain@sandoe.co.uk>
2679
2680         * mapper-client.cc (INCLUDE_MAP): New; require map to be
2681         included from system.h.
2682         * mapper-resolver.cc (INCLUDE_MAP): Likewise.
2683
2684 2021-04-01  Jason Merrill  <jason@redhat.com>
2685
2686         PR c++/98481
2687         * mangle.c (write_expression): Adjust.
2688         * class.c (find_abi_tags_r): Disable PR98481 fix for ABI v14.
2689         (mark_abi_tags_r): Likewise.
2690
2691 2021-04-01  Nathan Sidwell  <nathan@acm.org>
2692
2693         PR c++/99283
2694         * module.cc (trees_out::decl_node): Adjust importedness reference
2695         assert.
2696         (module_state::intercluster_seed): New.  Seed both imports and
2697         inter-cluster references.  Broken out of ...
2698         (module_state::write_cluster): ... here.  Call it.
2699
2700 2021-03-31  Jason Merrill  <jason@redhat.com>
2701
2702         PR c++/99445
2703         * tree.c (strip_typedefs): Handle TYPE_PACK_EXPANSION.
2704
2705 2021-03-31  Patrick Palka  <ppalka@redhat.com>
2706
2707         PR c++/88115
2708         * mangle.c (write_expression): Adjust the mangling of
2709         __alignof__.
2710
2711 2021-03-31  Patrick Palka  <ppalka@redhat.com>
2712
2713         PR c++/99815
2714         * pt.c (placeholder_type_constraint_dependent_p): Expand
2715         argument packs to separate the first non-pack argument
2716         from the rest.
2717
2718 2021-03-30  Nathan Sidwell  <nathan@acm.org>
2719
2720         PR c++/99283
2721         * module.cc (dumper::operator): Make less brittle.
2722         (trees_out::core_bools): VAR_DECLs always have a context.
2723         (trees_out::key_mergeable): Use same_type_p for asserting.
2724         (trees_in::read_var_def): Propagate
2725         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2726
2727 2021-03-30  Jakub Jelinek  <jakub@redhat.com>
2728
2729         PR c++/99790
2730         * cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST.
2731
2732 2021-03-26  Marek Polacek  <polacek@redhat.com>
2733
2734         PR c++/98352
2735         * method.c (implicitly_declare_fn): Pass &raises to
2736         synthesized_method_walk.
2737
2738 2021-03-26  Nathan Sidwell  <nathan@acm.org>
2739
2740         PR c++/99283
2741         * cp-tree.h (DECL_MODULE_CHECK): Ban TEMPLATE_DECL.
2742         (SET_TYPE_TEMPLATE_INFO): Restore Alias template setting.
2743         * decl.c (duplicate_decls): Remove template_decl module flag
2744         propagation.
2745         * module.cc (merge_kind_name): Add alias tmpl spec as a thing.
2746         (dumper::impl::nested_name): Adjust for template-decl module flag
2747         change.
2748         (trees_in::assert_definition): Likewise.
2749         (trees_in::install_entity): Likewise.
2750         (trees_out::decl_value): Likewise.  Remove alias template
2751         separation of template and type_decl.
2752         (trees_in::decl_value): Likewise.
2753         (trees_out::key_mergeable): Likewise,
2754         (trees_in::key_mergeable): Likewise.
2755         (trees_out::decl_node): Adjust for template-decl module flag
2756         change.
2757         (depset::hash::make_dependency): Likewise.
2758         (get_originating_module, module_may_redeclare): Likewise.
2759         (set_instantiating_module, set_defining_module): Likewise.
2760         * name-lookup.c (name_lookup::search_adl): Likewise.
2761         (do_pushdecl): Likewise.
2762         * pt.c (build_template_decl): Likewise.
2763         (lookup_template_class_1): Remove special alias_template handling
2764         of DECL_TI_TEMPLATE.
2765         (tsubst_template_decl): Likewise.
2766
2767 2021-03-26  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR c++/99705
2770         * tree.c (bot_manip): Remap artificial automatic temporaries mentioned
2771         in DECL_EXPR or in BIND_EXPR_VARS.
2772
2773 2021-03-25  Jakub Jelinek  <jakub@redhat.com>
2774
2775         PR c++/99672
2776         * parser.c (cp_parser_postfix_expression): For calls, create
2777         combined_loc and temporarily set input_location to it before
2778         calling finish_call_expr.
2779
2780 2021-03-25  Marek Polacek  <polacek@redhat.com>
2781
2782         PR c++/94751
2783         * call.c (build_over_call): Maybe call mark_used in case
2784         deduce_inheriting_ctor fails and return error_mark_node.
2785         * cp-tree.h (deduce_inheriting_ctor): Adjust declaration.
2786         * method.c (deduce_inheriting_ctor): Return bool if the deduction
2787         fails.
2788         (implicitly_declare_fn): If raises is error_mark_node, call
2789         synthesized_method_walk with diag being true.
2790
2791 2021-03-25  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR c++/99745
2794         * decl2.c (grokbitfield): Diagnose bitfields containing bare parameter
2795         packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
2796
2797 2021-03-25  Marek Polacek  <polacek@redhat.com>
2798
2799         PR c++/99331
2800         * call.c (build_converted_constant_expr_internal): Don't emit
2801         -Wconversion warnings.
2802
2803 2021-03-25  Jakub Jelinek  <jakub@redhat.com>
2804
2805         PR c++/99565
2806         * call.c (build_conditional_expr_1): Pass OEP_ADDRESS_OF_SAME_FIELD
2807         to operand_equal_p.
2808         * cvt.c (convert_to_void): Preserve location_t on COND_EXPR or
2809         or COMPOUND_EXPR.
2810
2811 2021-03-23  Nathan Sidwell  <nathan@acm.org>
2812
2813         PR c++/99283
2814         * name-lookup.c (check_module_override): Set global or partition
2815         DUP on the binding vector.
2816
2817 2021-03-23  Marek Polacek  <polacek@redhat.com>
2818
2819         PR c++/99318
2820         * decl2.c (cp_warn_deprecated_use_scopes): Only call
2821         cp_warn_deprecated_use when decl is a namespace, class, or enum.
2822
2823 2021-03-23  Nathan Sidwell  <nathan@acm.org>
2824
2825         PR c++/99239
2826         * decl.c (duplicate_decls): Remove assert about maybe-imported
2827         artificial decls.
2828
2829 2021-03-23  Jakub Jelinek  <jakub@redhat.com>
2830
2831         PR c++/99650
2832         * decl.c (cp_finish_decomp): Diagnose void initializers when
2833         using tuple_element and get.
2834
2835 2021-03-22  Nathan Sidwell  <nathan@acm.org>
2836
2837         PR c++/99480
2838         * module.cc (depset::hash::make_dependency): Propagate flags for
2839         partial specialization.
2840         (module_may_redeclare): Handle partial specialization.
2841
2842 2021-03-22  Nathan Sidwell  <nathan@acm.org>
2843
2844         PR c++/99425
2845         * cp-tree.h (map_context_from, map_context_to): Delete.
2846         (add_mergeable_specialization): Add is_alias parm.
2847         * pt.c (add_mergeable_specialization): Add is_alias parm, add them.
2848         * module.cc (map_context_from, map_context_to): Delete.
2849         (trees_in::decl_value): Add specializations later, adjust call.
2850         Drop useless alias lookup. Set duplicate fn parm context.
2851         (check_mergeable_decl): Drop context mapping.
2852         (trees_in::is_matching_decl): Likewise.
2853         (trees_in::read_function_def): Drop parameter context adjustment
2854         here.
2855
2856 2021-03-22  Martin Liska  <mliska@suse.cz>
2857
2858         PR c++/99687
2859         * module.cc (fini_modules): Call vec_free instead of delete.
2860
2861 2021-03-20  Jakub Jelinek  <jakub@redhat.com>
2862
2863         PR debug/99230
2864         * cp-gimplify.c (cp_genericize_r) <case STATEMENT_LIST>: Remove
2865         special code, instead call c_genericize_control_stmt.
2866
2867 2021-03-19  Jakub Jelinek  <jakub@redhat.com>
2868
2869         PR c++/99456
2870         * constexpr.c (cxx_eval_constant_expression): For CONVERT_EXPR from
2871         INDIRECT_TYPE_P to ARITHMETIC_TYPE_P, when !ctx->manifestly_const_eval
2872         don't diagnose it, set *non_constant_p nor return t.
2873
2874 2021-03-19  Marek Polacek  <polacek@redhat.com>
2875
2876         PR c++/99500
2877         * parser.c (cp_parser_requirement_parameter_list): Handle
2878         error_mark_node.
2879
2880 2021-03-18  Marek Polacek  <polacek@redhat.com>
2881
2882         * pt.c (tsubst_copy_and_build) <case FLOAT_EXPR>: Remove.
2883
2884 2021-03-18  Marek Polacek  <polacek@redhat.com>
2885
2886         * pt.c (tsubst_copy_and_build): Add assert.
2887
2888 2021-03-18  Iain Sandoe  <iain@sandoe.co.uk>
2889
2890         PR objc++/49070
2891         * parser.c (cp_debug_parser): Add Objective-C++ message
2892         state flag.
2893         (cp_parser_nested_name_specifier_opt): Allow colon to
2894         terminate an assignment-expression when parsing Objective-
2895         C++ messages.
2896         (cp_parser_objc_message_expression): Set and clear message
2897         parsing state on entry and exit.
2898         * parser.h (struct cp_parser): Add a context flag for
2899         Objective-C++ message state.
2900
2901 2021-03-18  Martin Liska  <mliska@suse.cz>
2902
2903         PR c++/99617
2904         * coroutines.cc (struct var_nest_node): Init then_cl and else_cl
2905         to NULL.
2906
2907 2021-03-17  Marek Polacek  <polacek@redhat.com>
2908
2909         PR c++/97973
2910         * call.c (conv_unsafe_in_template_p): New.
2911         (convert_like): Use it.
2912
2913 2021-03-17  Anthony Sharp  <anthonysharp15@gmail.com>
2914             Jason Merrill  <jason@redhat.com>
2915
2916         * semantics.c (get_class_access_diagnostic_decl): New
2917         function that examines special cases when a parent
2918         class causes a private access failure.
2919         (enforce_access): Slightly modified to call function
2920         above.
2921
2922 2021-03-16  Jason Merrill  <jason@redhat.com>
2923
2924         * tree.c (cp_tree_equal): Use real_identical.
2925
2926 2021-03-16  Jakub Jelinek  <jakub@redhat.com>
2927
2928         PR c++/99613
2929         * decl.c (expand_static_init): For thread guards, call __cxa_atexit
2930         before calling __cxa_guard_release rather than after it.  Formatting
2931         fixes.
2932
2933 2021-03-16  Martin Liska  <mliska@suse.cz>
2934             Jason Merrill  <jason@redhat.com>
2935
2936         PR c++/99108
2937         * call.c (get_function_version_dispatcher): Handle
2938         DECL_LOCAL_DECL_P.
2939         * decl.c (maybe_version_functions): Likewise.
2940         (maybe_mark_function_versioned): New.
2941         * name-lookup.c (push_local_extern_decl_alias): No longer static.
2942         * name-lookup.h (push_local_extern_decl_alias): Adjust.
2943
2944 2021-03-16  Nathan Sidwell  <nathan@acm.org>
2945
2946         PR c++/99496
2947         * module.cc (trees_out::decl_value): Adjust typedef streaming,
2948         indicate whether it is a dependent alias.
2949         (trees_in::decl_value): Likewise.  Set as dependent alias, if it
2950         is one.
2951
2952 2021-03-15  Iain Sandoe  <iain@sandoe.co.uk>
2953
2954         PR c++/99047
2955         * coroutines.cc (expand_one_await_expression): If the
2956         await_ready() expression is not a boolean then convert it
2957         as required.
2958
2959 2021-03-15  Iain Sandoe  <iain@sandoe.co.uk>
2960
2961         PR c++/98704
2962         * coroutines.cc (build_actor_fn): Make destroy index 1
2963         correspond to the abnormal unhandled_exception() exit.
2964         Substitute the proxy for the resume index.
2965         (coro_rewrite_function_body): Arrange to reset the resume
2966         index and make done = true for a rethrown exception from
2967         unhandled_exception ().
2968         (morph_fn_to_coro): Adjust calls to build_actor_fn and
2969         coro_rewrite_function_body.
2970
2971 2021-03-15  Iain Sandoe  <iain@sandoe.co.uk>
2972
2973         PR c++/98480
2974         * coroutines.cc (replace_continue): Rewrite continue into
2975         'goto label'.
2976         (await_statement_walker): Handle await expressions in the
2977         initializer, condition and iteration expressions of for
2978         loops.
2979
2980 2021-03-15  Iain Sandoe  <iain@sandoe.co.uk>
2981
2982         PR c++/96749
2983         * coroutines.cc (flatten_await_stmt): Allow for the case
2984         where a target expression variable only has uses in the
2985         second part of a compound expression.
2986         (maybe_promote_temps): Avoid emiting empty statements.
2987
2988 2021-03-15  Tobias Burnus  <tobias@codesourcery.com>
2989
2990         PR c++/99509
2991         * decl.c (cp_finish_decl): For 'omp declare target implicit' vars,
2992         ensure that the varpool node is marked as offloadable.
2993
2994 2021-03-12  Nathan Sidwell  <nathan@acm.org>
2995
2996         PR c++/99238
2997         * module.cc (depset::hash::add_binding_entity): Assert not
2998         visited.
2999         (depset::add::add_specializations): Likewise.
3000         * name-lookup.c (name_lookup::dedup): New.
3001         (name_lookup::~name_lookup): Assert not deduping.
3002         (name_lookup::restore_state): Likewise.
3003         (name_lookup::add_overload): Replace outlined code with dedup
3004         call.
3005         (name_lookup::add_value): Likewise.
3006         (name_lookup::search_namespace_only): Likewise.
3007         (name_lookup::adl_namespace_fns): Likewise.
3008         (name_lookup::adl_class_fns): Likewise.
3009         (name_lookup::search_adl): Likewise.  Add clearing dedup call.
3010         (name_lookup::search_qualified): Likewise.
3011         (name_lookup::search_unqualified): Likewise.
3012
3013 2021-03-12  Jakub Jelinek  <jakub@redhat.com>
3014
3015         PR c++/99507
3016         * call.c (build_over_call): For immediate evaluation of functions
3017         that return references, undo convert_from_reference effects before
3018         calling cxx_constant_value and call convert_from_reference
3019         afterwards.
3020
3021 2021-03-11  Nathan Sidwell  <nathan@acm.org>
3022
3023         PR c++/99248
3024         * name-lookup.c (lookup_elaborated_type_1): Access slot not bind
3025         when there's a binding vector.
3026         * ptree.c (cxx_print_xnode): Lazy flags are no longer a thing.
3027
3028 2021-03-11  Nathan Sidwell  <nathan@acm.org>
3029
3030         PR c++/99528
3031         * module.cc (enum merge_kind): Delete MK_type_tmpl_spec,
3032         MK_decl_tmpl_spec.
3033         (trees_in::decl_value): Adjust add_mergeable_specialization call.
3034         (trees_out::get_merge_kind): Adjust detecting a partial template
3035         instantiation.
3036         (trees_out::key_mergeable): Adjust handling same.
3037         (trees_in::key_mergeabvle): Likewise.
3038
3039 2021-03-10  Nathan Sidwell  <nathan@acm.org>
3040
3041         PR c++/99423
3042         * module.cc (post_load_processing): Assert not gcable.
3043         (laxy_load_pendings): Extend no-gc region around
3044         post_load_processing.
3045
3046 2021-03-10  Nathan Sidwell  <nathan@acm.org>
3047
3048         PR c++/99508
3049         * decl.c (make_rtl_for_nonlocal_decl): Propagate local-extern's
3050         assembler name to the ns alias.
3051
3052 2021-03-09  Jakub Jelinek  <jakub@redhat.com>
3053
3054         PR c++/99459
3055         * coroutines.cc (build_co_await): Look through NOP_EXPRs in
3056         build_special_member_call return value to find the CALL_EXPR.
3057         Simplify.
3058
3059 2021-03-09  Nathan Sidwell  <nathan@acm.org>
3060
3061         PR c++/99472
3062         * parser.c (cp_parser_diagnose_invalid_type_name): Clarify
3063         that C++20 does not yet imply modules.
3064
3065 2021-03-08  Nathan Sidwell  <nathan@acm.org>
3066
3067         PR c++/99436
3068         * name-lookup.c (get_cxx_dialect_name): Add cxx23.
3069
3070 2021-03-08  Nathan Sidwell  <nathan@acm.org>
3071
3072         * lex.c (module_token_filter::resume): Ignore module-decls inside
3073         header-unit.
3074         * parser.c (cp_parser_module_declaration): Reject in header-unit.
3075
3076 2021-03-08  Nathan Sidwell  <nathan@acm.org>
3077
3078         PR c++/99285
3079         * cp-tree.h (match_mergeable_specialization)
3080         (add_mergeable_specialization): Adjust parms.
3081         * module.cc (trees_in::decl_value): Adjust
3082         add_mergeable_specialization calls.
3083         (trees_out::key_mergeable): Adjust match_mergeable_specialization
3084         calls.
3085         (specialization_add): Likewise.
3086         * pt.c (match_mergeable_specialization): Do not insert.
3087         (add_mergeable_specialization): Add to hash table here.
3088
3089 2021-03-06  Patrick Palka  <ppalka@redhat.com>
3090             Jakub Jelinek  <jakub@redhat.com>
3091
3092         PR c++/99287
3093         * constexpr.c (cxx_eval_increment_expression): Pass lval when
3094         evaluating the MODIFY_EXPR, and update 'mod' with the result of
3095         this evaluation.  Check *non_constant_p afterwards.  For prefix
3096         ops, just return 'mod'.
3097
3098 2021-03-06  Patrick Palka  <ppalka@redhat.com>
3099             Jakub Jelinek  <jakub@redhat.com>
3100
3101         PR c++/96330
3102         * pt.c (tsubst_copy) <case TEMPLATE_ID_EXPR>: Rename local
3103         variable 'fn' to 'tmpl'.  Handle a variable template-id by
3104         calling lookup_template_variable.
3105
3106 2021-03-06  Patrick Palka  <ppalka@redhat.com>
3107
3108         PR c++/99365
3109         * pt.c (unify) <case TEMPLATE_TYPE_PARM>: Pass targs as
3110         outer_targs to do_auto_deduction.
3111         (placeholder_type_constraint_dependent_p): Define.
3112         (do_auto_deduction): When processing_template_decl != 0
3113         and context is adc_unify and we have constraints, pretend the
3114         constraints are satisfied instead of punting.  Otherwise don't
3115         punt unless placeholder_type_constraint_dependent_p holds.
3116         Add some clarifying sanity checks.  Add a hack to add missing
3117         outermost template levels to outer_args before checking
3118         satisfaction.  Don't substitute outer_targs into type if it's
3119         already been done.
3120
3121 2021-03-05  Marek Polacek  <polacek@redhat.com>
3122
3123         PR c++/99374
3124         * call.c (standard_conversion): When converting pointers to
3125         member, don't return NULL when the bases are equivalent but
3126         incomplete.
3127
3128 2021-03-05  Marek Polacek  <polacek@redhat.com>
3129
3130         PR c++/99120
3131         * name-lookup.c (check_local_shadow): Check if the type of decl
3132         is non-null before checking TYPE_PTR*.
3133
3134 2021-03-05  Nathan Sidwell  <nathan@acm.org>
3135
3136         PR c++/99245
3137         * module.cc (module_state::write_cluster): Relax binding assert.
3138
3139 2021-03-05  Nathan Sidwell  <nathan@acm.org>
3140
3141         PR c++/99377
3142         * pt.c (instantiate_decl): Call set_instantiating_module.
3143
3144 2021-03-05  Iain Sandoe  <iain@sandoe.co.uk>
3145
3146         PR c++/98118
3147         * coroutines.cc (build_co_await): Use type_build_ctor_call()
3148         to determine cases when a CTOR needs to be built.
3149         (flatten_await_stmt): Likewise.
3150         (morph_fn_to_coro): Likewise.
3151
3152 2021-03-05  Iain Sandoe  <iain@sandoe.co.uk>
3153
3154         PR c++/95616
3155         * coroutines.cc (coro_diagnose_throwing_fn): New helper.
3156         (coro_diagnose_throwing_final_aw_expr): New helper.
3157         (build_co_await): Diagnose throwing final await expression
3158         components.
3159         (build_init_or_final_await): Diagnose a throwing promise
3160         final_suspend() call.
3161
3162 2021-03-05  Iain Sandoe  <iain@sandoe.co.uk>
3163
3164         PR c++/95615
3165         * coroutines.cc (struct param_info): Track parameter copies that need
3166         a DTOR.
3167         (coro_get_frame_dtor): New helper function factored from build_actor().
3168         (build_actor_fn): Use coro_get_frame_dtor().
3169         (morph_fn_to_coro): Track parameters that need DTORs on exception,
3170         likewise the frame promise and the return object.  On exception, run the
3171         DTORs for these, destroy the frame and then rethrow the exception.
3172
3173 2021-03-05  Nathan Sidwell  <nathan@acm.org>
3174
3175         PR c++/99389
3176         * pt.c (instantiate_class_template_1): Set instantiating module
3177         here.
3178
3179 2021-03-05  Tobias Burnus  <tobias@codesourcery.com>
3180
3181         PR c/99137
3182         * parser.c (cp_parser_oacc_clause_async): Reject comma expressions.
3183
3184 2021-03-04  Jakub Jelinek  <jakub@redhat.com>
3185
3186         PR c++/88146
3187         PR c++/99362
3188         * cvt.c (convert_to_void): Revert 2019-10-17 changes.  Clarify
3189         comment.
3190
3191 2021-03-04  Nathan Sidwell  <nathan@acm.org>
3192
3193         PR c++/99170
3194         * module.cc (class uintset): Delete.
3195         (typedef attached_map_t): A hash map.
3196         (attached_table): Use attached_map_t.  Adjust uses ...
3197         (trees_out::decl_value, trees_in::decl_value): ... here ...
3198         (trees_out::key_mergeable): ... here ...
3199         (trees_in::key_mergeable): ... here ...
3200         (maybe_attach_decl): ... here ...
3201         (direct_import): ... and here.
3202
3203 2021-03-04  Nathan Sidwell  <nathan@acm.org>
3204
3205         PR c++/99170
3206         * cp-tree.h
3207         * lex.c (cxx_dup_lang_specific_decl): Adjust for module_attached_p
3208         rename.
3209         * module.cc (class pending_key): New.
3210         (default_hash_traits<pending_key>): New specialization.
3211         (pending_map_t): New typedef.
3212         (pending_table): Replace old table.
3213         (trees_out::lang_decl_bools): Adjust.
3214         (trees_in::lang_decl_bools): Adjust.
3215         (trees_in::install_entity): Drop pending member and specialization
3216         handling.
3217         (find_pending_key): New.
3218         (depset::hash::fiund_dependencies): Use it.
3219         (pendset_lazy_load): Delete.
3220         (module_state::write_cluster): Don't count pendings here.  Bye
3221         Duff's device-like thing.
3222         (module_state::write_pendings): Reimplement.
3223         (module_state::read_pendings): Reimplement.
3224         (lazy_specializations_p): Delete.
3225         (module_state::write): Adjust write_pendings call.
3226         (lazy_load_pendings): New.
3227         (lazy_load_specializations): Delete.
3228         (lazy_load_members): Delete.
3229         (init_modules): Adjust.
3230         * name-lookup.c (maybe_lazily_declare): Call lazy_load_pendings
3231         not lazy_load_members.
3232         (note_pending_specializations): Delete.
3233         (load_pending_specializations): Delete.
3234         * name-lookup.h (BINDING_VECTR_PENDING_SPECIALIZATIONS_P): Delete.
3235         (BINDING_VECTOR_PENDING_MEMBERS_P): Delete.
3236         (BINDING_VECTR_PENDING_MEMBERS_P): Delete.
3237         (note_pending_specializations): Delete.
3238         (load_pending_specializations): Delete.
3239         * pt.c (lookup_template_class_1): Call lazy_load_pendings not
3240         lazy_load_specializations.
3241         (instantiate_template_class_1): Likewise.
3242         (instantiate_decl): Call lazy_load_pendings.
3243         * typeck.c (complete_type): Likewise.
3244
3245 2021-03-03  Nathan Sidwell  <nathan@acm.org>
3246
3247         PR c++/99170
3248         * module.cc (post_load_decls): New.
3249         (lazy_snum, recursive_lazy): Move earlier.
3250         (module_state::read_cluster): Push cloning onto post_load_decls.
3251         (post_load_processing): New.  Do the cloning here.
3252         (module_state::read_inits): Call post_load_processing.
3253         (module_state::read_language): Likewise.
3254         (lazy_load_binding, lazy_load_specializations): Likewise
3255         (lazy_load_members): Likewise
3256
3257 2021-03-03  Nathan Sidwell  <nathan@acm.org>
3258
3259         PR c++/99170
3260         * module.cc (trees_out::decl_value): Stream specialization keys
3261         after decl.
3262         (trees_in::decl_value): Stream them back and insert after
3263         completing the decl.
3264         (trees_out::key_mergeable): Drop some streaming here ...
3265         (trees_in::key_mergeable): ... and here.  Don't insert into
3266         specialization tables.
3267
3268 2021-03-03  Patrick Palka  <ppalka@redhat.com>
3269
3270         * constraint.cc (struct sat_info): Document the different
3271         meanings of noisy() and diagnose_unsatisfaction_p() during
3272         satisfaction and requires-expression evaluation.
3273         (tsubst_valid_expression_requirement): Take a sat_info instead
3274         of a subst_info.  Perform the substitution quietly first.  Fold
3275         in error-replaying code from diagnose_valid_expression.
3276         (tsubst_simple_requirement): Take a sat_info instead of a
3277         subst_info.
3278         (tsubst_type_requirement_1): New.  Fold in error-replaying code
3279         from diagnose_valid_type.
3280         (tsubst_type_requirement): Use the above.  Take a sat_info
3281         instead of a subst_info.
3282         (tsubst_compound_requirement): Likewise.  Fold in
3283         error-replaying code from diagnose_compound_requirement.
3284         (tsubst_nested_requirement): Take a sat_info instead of a
3285         subst_info.  Fold in error-replaying code from
3286         diagnose_nested_requirement.
3287         (tsubst_requirement): Take a sat_info instead of a subst_info.
3288         (tsubst_requires_expr): Split into two versions, one that takes
3289         a sat_info argument and another that takes a complain and
3290         in_decl argument.  Remove outdated documentation.  Document the
3291         effects of the sat_info argument.  Don't short-circuit
3292         processing of requirements when diagnosing unsatisfaction,
3293         mirroring diagnose_requires_expr.
3294         (satisfy_nondeclaration_constraint) <case REQUIRES_EXPR>: Remove
3295         assert, and se the three-parameter version of tsubst_requires_expr.
3296         (diagnose_trait_expr): Make static.  Take a template argument
3297         vector instead of a parameter mapping.
3298         (diagnose_valid_expression): Remove.
3299         (diagnose_valid_type): Remove.
3300         (diagnose_simple_requirement): Remove.
3301         (diagnose_compound_requirement): Remove.
3302         (diagnose_type_requirement): Remove.
3303         (diagnose_nested_requirement): Remove.
3304         (diagnose_requirement): Remove.
3305         (diagnose_requires_expr): Remove.
3306         (diagnose_atomic_constraint): Take a sat_info instead of a
3307         subst_info.  Adjust call to diagnose_trait_expr.  Call
3308         tsubst_requires_expr instead of diagnose_requires_expr.
3309         (diagnose_constraints): Remove special casing of REQUIRES_EXPR
3310         and just always call constraint_satisfaction_value.
3311
3312 2021-03-03  Patrick Palka  <ppalka@redhat.com>
3313
3314         * constexpr.c (cxx_eval_call_expression): Adjust call to
3315         evaluate_concept_check.
3316         (cxx_eval_constant_expression) <case REQUIRES_EXPR>: Use
3317         evaluate_requires_expression instead of
3318         satisfy_constraint_expression.
3319         <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3320         * constraint.cc (struct sat_info): Adjust comment about which
3321         satisfaction entrypoints use noisy-unsat.
3322         (normalize_template_requirements): Remove (and adjust callers
3323         appropriately).
3324         (normalize_nontemplate_requirements): Likewise.
3325         (tsubst_nested_requirement): Use constraint_satisfaction_value
3326         instead of satisfy_constraint_expression, which'll do the
3327         noisy replaying of ill-formed quiet satisfaction for us.
3328         (decl_satisfied_cache): Adjust comment.
3329         (satisfy_constraint): Rename to ...
3330         (satisfy_normalized_constraints): ... this.
3331         (satisfy_associated_constraints): Remove (and make its
3332         callers check for dependent arguments).
3333         (satisfy_constraint_expression): Rename to ...
3334         (satisfy_nondeclaration_constraints): ... this.  Assert that
3335         'args' is empty when 't' is a concept-id.  Removing handling
3336         bare constraint-expressions, and handle REQUIRES_EXPRs
3337         specially.  Adjust comment accordingly.
3338         (satisfy_declaration_constraints): Assert in the two-parameter
3339         version that 't' is not a TEMPLATE_DECL.  Adjust following
3340         removal of normalize_(non)?template_requirements and
3341         satisfy_asociated_constraints.
3342         (constraint_satisfaction_value): Combine the two- and
3343         three-parameter versions in the natural way.
3344         (constraints_satisfied_p): Combine the one- and two-parameter
3345         versions in the natural way.  Improve documentation.
3346         (evaluate_requires_expr): Define.
3347         (evaluate_concept_check): Remove 'complain' parameter.  Use
3348         constraint_satisfaction_value instead of
3349         satisfy_constraint_expression.
3350         (diagnose_nested_requirement): Adjust following renaming of
3351         satisfy_constraint_expression.
3352         (diagnose_constraints): Handle REQUIRES_EXPR by going through
3353         diagnose_requires_expr directly instead of treating it as a
3354         constraint-expression.  Improve documentation.
3355         * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Adjust call
3356         to evaluate_concept_check.
3357         <case REQUIRES_EXPR>: Use evaluate_requires_expr instead of
3358         constraints_satisfied_p.
3359         <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3360         * cp-tree.h (evaluate_requires_expr): Declare.
3361         (evaluate_concept_check): Remove tsubst_flag_t parameter.
3362         (satisfy_constraint_expression): Remove declaration.
3363         (constraints_satisfied_p): Remove one-parameter declaration.
3364         Add a default argument to the two-parameter declaration.
3365         * cvt.c (convert_to_void): Adjust call to
3366         evaluate_concept_check.
3367
3368 2021-03-03  Jakub Jelinek  <jakub@redhat.com>
3369
3370         PR c++/82959
3371         * call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR
3372         and COMPOUND_EXPR.
3373
3374 2021-03-03  Marek Polacek  <polacek@redhat.com>
3375
3376         PR c++/97034
3377         PR c++/99009
3378         * pt.c (build_deduction_guide): Use INNERMOST_TEMPLATE_ARGS.
3379         (maybe_aggr_guide): Use the original template type where needed.  In
3380         a class member template, partially instantiate the result of
3381         collect_ctor_idx_types.
3382         (do_class_deduction): Defer the deduction until the enclosing
3383         scope is non-dependent.
3384
3385 2021-03-03  Jason Merrill  <jason@redhat.com>
3386
3387         PR c++/95675
3388         * call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR
3389         if it didn't get one before.
3390
3391 2021-03-03  Nathan Sidwell  <nathan@acm.org>
3392
3393         PR c++/99344
3394         * module.cc (trees_out::decl_node): Small refactor.
3395         (depset::hash::add_binding_entity): Return true on meeting an
3396         import.  Set namespace's import here.
3397         (module_state:write_namespaces): Inform of purview too.
3398         (module_state:read_namespaces): Adjust.
3399         * name-lookup.c (implicitly_export_namespace): Delete.
3400         (do_pushdecl): Don't call it.
3401         (push_namespace): Likewise, set purview.
3402         (add_imported_namespace): Reorder parms.
3403         * name-lookup.h (add_imported_namespace): Alter param ordering.
3404
3405 2021-03-02  Martin Sebor  <msebor@redhat.com>
3406
3407         PR c++/99251
3408         * class.c (build_base_path): Call build_if_nonnull.
3409         * cp-tree.h (build_if_nonnull): Declare.
3410         * rtti.c (ifnonnull): Rename...
3411         (build_if_nonnull): ...to this.  Set no-warning bit on COND_EXPR.
3412         (build_dynamic_cast_1): Adjust to name change.
3413
3414 2021-03-02  Patrick Palka  <ppalka@redhat.com>
3415
3416         PR c++/96443
3417         PR c++/96960
3418         * constraint.cc (type_deducible_p): Don't substitute into the
3419         constraints, and instead just pass 'args' to do_auto_deduction
3420         as the outer template arguments.
3421         (tsubst_parameter_mapping): Remove confused code for handling
3422         placeholder type arguments.
3423         (normalize_placeholder_type_constraint): Define.
3424         (satisfy_constraint_expression): Use it to handle placeholder
3425         'auto' types.
3426         * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Define.
3427         (PLACEHOLDER_TYPE_CONSTRAINTS): Redefine in terms of the above.
3428         * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: Use
3429         PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3430         (make_constrained_placeholder_type): Set
3431         PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3432         (do_auto_deduction): Clarify comments about the outer_targs
3433         parameter.  Rework satisfaction of a placeholder type constraint
3434         to pass in the complete set of template arguments directly to
3435         constraints_satisfied_p.
3436         (splice_late_return_type): Use PLACEHOLDER_TYPE_CONSTRAINTS_INFO
3437         instead.  Also rebuild the the constraint info on the new auto.
3438
3439 2021-03-02  Patrick Palka  <ppalka@redhat.com>
3440
3441         * constraint.cc (build_parameter_mapping): Rely on the caller to
3442         determine the in-scope template parameters.
3443         (norm_info::norm_info): Delegate the tsubst_flags_t constructor
3444         to the two-parameter constructor.  In the two-parameter
3445         constructor, fold in the definition of make_context, set
3446         initial_parms appropriately, and don't set the now-removed
3447         orig_decl member.
3448         (norm_info::make_context): Remove, now that its only use is
3449         inlined into the caller.
3450         (norm_info::update_context): Adjust call to
3451         build_parameter_mapping to pass in the relevant set of in-scope
3452         template parameters.
3453         (norm_info::ctx_parms): Define this member function.
3454         (norm_info::context): Initialize to NULL_TREE.
3455         (norm_info::orig_decl): Remove this data member.
3456         (norm_info::initial_parms): Define this data member.
3457         (normalize_atom): Adjust call to build_parameter_mapping to pass
3458         in the relevant set of in-scope template parameters.  Use
3459         info.initial_parms instead of info.orig_decl.
3460         (normalize_constraint_expression): Take a norm_info object
3461         instead of a bool.  Cache the result of normalization.
3462         (tsubst_nested_requirement): Call satisfy_constraint_expression
3463         instead of satisfy_constraint, so that we normalize on demand.
3464         (satisfy_constraint_expression): Handle a NESTED_REQ argument.
3465         Adjust call to normalize_constraint_expression.
3466         (finish_nested_requirement): Set the TREE_TYPE of the NESTED_REQ
3467         to current_template_parms.
3468         (diagnose_nested_requirements): Go through
3469         satisfy_constraint_expression, as with tsubst_nested_requirement.
3470
3471 2021-03-02  Patrick Palka  <ppalka@redhat.com>
3472
3473         * constraint.cc (tsubst_parameter_mapping): Canonicalize the
3474         arguments of a substituted TYPE_ARGUMENT_PACK even if we've
3475         started with a TYPE_ARGUMENT_PACK.
3476         (finish_requires_expr): Don't set DECL_CONTEXT and
3477         CONSTRAINT_VAR_P on each of the introduced parameters here.
3478         * parser.c (cp_parser_requirement_parameter_list): Instead set
3479         these fields earlier, here.
3480         * pt.c (do_auto_deduction): Canonicalize the result of
3481         do_auto_deduction.  Pass 'complain' to finish_decltype_type.
3482
3483 2021-03-02  Patrick Palka  <ppalka@redhat.com>
3484
3485         * constraint.cc (tsubst_simple_requirement): Just return
3486         boolean_true_node on success.
3487         (tsubst_type_requirement): Likewise.
3488         (tsubst_compound_requirement): Likewise.
3489         (tsubst_nested_requirement): Likewise.
3490         (tsubst_requirement_body): Remove.
3491         (check_constaint_variables): Rename to ...
3492         (check_constraint_variables): ... this.
3493         (tsubst_constraint_variables): Adjust.
3494         (tsubst_requires_expr): Fold tsubst_requirement_body into here.
3495
3496 2021-03-01  Nathan Sidwell  <nathan@acm.org>
3497
3498         PR c++/99294
3499         * class.c (fixup_type_variants): Propagate mode, precision,
3500         alignment & emptiness.
3501         * module.cc (trees_out::type_node): Use TYPE_ALIGN_RAW.
3502         (trees_in::tree_node): Rematerialize alignment here.
3503
3504 2021-02-27  Jason Merrill  <jason@redhat.com>
3505
3506         PR c++/90333
3507         * parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes
3508         between () and ->.
3509
3510 2021-02-26  Jakub Jelinek  <jakub@redhat.com>
3511
3512         * parser.c (cp_parser_lambda_declarator_opt): Implement
3513         P1102R2 - Down with ()! Make ()s optional before lambda specifiers
3514         for -std={c,gnu}++2b or with pedwarn in earlier versions.
3515
3516 2021-02-26  Jakub Jelinek  <jakub@redhat.com>
3517
3518         PR c++/95451
3519         * lambda.c (is_lambda_ignored_entity): Before checking for
3520         LAMBDA_FUNCTION_P, use OVL_FIRST.  Drop FUNCTION_DECL check.
3521
3522 2021-02-26  Jason Merrill  <jason@redhat.com>
3523
3524         PR c++/98810
3525         * pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const
3526         to a class non-type template argument that needs it.
3527
3528 2021-02-26  Patrick Palka  <ppalka@redhat.com>
3529
3530         PR c++/98990
3531         * pt.c (splice_late_return_type): Rebuild the entire return type
3532         if we have to adjust the level of an auto within.
3533         (type_uses_auto): Adjust call to find_type_usage.
3534         * type-utils.h (find_type_usage): Revert r10-6571 change that
3535         made this function return a pointer to the auto node.
3536
3537 2021-02-25  Patrick Palka  <ppalka@redhat.com>
3538
3539         PR c++/99213
3540         PR c++/94521
3541         * error.c (dump_scope): Pass TFF_NO_TEMPLATE_BINDINGS instead of
3542         TFF_NO_FUNCTION_ARGUMENTS when dumping a function scope.
3543
3544 2021-02-25  Patrick Palka  <ppalka@redhat.com>
3545
3546         PR c++/99103
3547         * pt.c (is_spec_or_derived): Drop cv-qualifiers from 'etype'.
3548         (maybe_aggr_guide): Fix order of arguments to is_spec_or_derived.
3549
3550 2021-02-25  Marek Polacek  <polacek@redhat.com>
3551
3552         DR 1312
3553         PR c++/99176
3554         * constexpr.c (is_std_construct_at): New overload.
3555         (is_std_allocator_allocate): New overload.
3556         (cxx_eval_call_expression): Use the new overloads.
3557         (cxx_eval_constant_expression): Reject casting
3558         from void * as per DR 1312.  Don't check can_convert.
3559
3560 2021-02-25  Iain Sandoe  <iain@sandoe.co.uk>
3561
3562         PR c++/97587
3563         * coroutines.cc (struct param_info): Track rvalue refs.
3564         (morph_fn_to_coro): Track rvalue refs, and call the promise
3565         CTOR with the frame copy of passed parms.
3566
3567 2021-02-25  Iain Sandoe  <iain@sandoe.co.uk>
3568
3569         PR c++/95822
3570         * coroutines.cc (morph_fn_to_coro): Unconditionally remove any
3571         set throwing_cleanup marker.
3572
3573 2021-02-25  Nathan Sidwell  <nathan@acm.org>
3574
3575         PR c++/99166
3576         * module.cc (module_state::inform_cmi_p): Renamed field.
3577         (module_state::do_import): Adjust.
3578         (init_modules, finish_module_processing): Likewise.
3579         (handle_module_option): Likewise.
3580
3581 2021-02-25  Nathan Sidwell  <nathan@acm.org>
3582
3583         PR c++/98318
3584         * mapper-client.cc (module_client::open_module_client): Fix typo
3585         of fd init.
3586
3587 2021-02-24  Nathan Sidwell  <nathan@acm.org>
3588
3589         PR c++/98718
3590         * module.cc (ool): New indirection vector.
3591         (loc_spans::maybe_propagate): Location is not optional.
3592         (loc_spans::open): Likewise.  Assert monotonically advancing.
3593         (module_for_ordinary_loc): Use ool indirection vector.
3594         (module_state::write_prepare_maps): Do not count empty macro
3595         expansions.  Elide empty spans.
3596         (module_state::write_macro_maps): Skip empty expansions.
3597         (ool_cmp): New qsort comparator.
3598         (module_state::write): Create and destroy ool vector.
3599         (name_pending_imports): Fix dump push/pop.
3600         (preprocess_module): Likewise.  Add more dumping.
3601         (preprocessed_module): Likewise.
3602
3603 2021-02-24  Iain Sandoe  <iain@sandoe.co.uk>
3604
3605         PR c++/96251
3606         * coroutines.cc (coro_common_keyword_context_valid_p): Suppress
3607         error reporting when instantiating for a constexpr.
3608
3609 2021-02-23  Nathan Sidwell  <nathan@acm.org>
3610
3611         PR c++/99208
3612         * decl.c (name_unnamed_type): Check DECL identity, not IDENTIFIER
3613         identity.
3614
3615 2021-02-23  Patrick Palka  <ppalka@redhat.com>
3616
3617         PR c++/95468
3618         * pt.c (tsubst_copy_and_build) <case BASELINK>: New case, copied
3619         over from tsubst_copy.
3620
3621 2021-02-23  Patrick Palka  <ppalka@redhat.com>
3622
3623         * pt.c (instantiation_dependent_expression_p): Check
3624         processing_template_decl before calling
3625         potential_constant_expression.
3626
3627 2021-02-22  Nathan Sidwell  <nathan@acm.org>
3628
3629         PR c++/99174
3630         * module.cc (struct module_state): Add visited_p flag.
3631         (name_pending_imports): Use it to avoid duplicate requests.
3632         (preprocess_module): Don't read preprocessor state if we failed to
3633         load a module's config.
3634
3635 2021-02-22  Nathan Sidwell  <nathan@acm.org>
3636
3637         PR c++/99153
3638         * decl.c (duplicate_decls): Move DECL_MODULE_IMPORT_P propagation
3639         to common-path.
3640         * module.cc (set_defining_module): Add assert.
3641
3642 2021-02-19  Nathan Sidwell  <nathan@acm.org>
3643
3644         PR c++/98741
3645         * module.cc (pending_imports): New.
3646         (declare_module): Adjust test condition.
3647         (name_pending_imports): New.
3648         (preprocess_module): Reimplement using pending_imports.
3649         (preprocessed_module): Move name-getting to name_pending_imports.
3650         * name-lookup.c (append_imported_binding_slot): Assert module
3651         ordering is increasing.
3652
3653 2021-02-19  Nathan Sidwell  <nathan@acm.org>
3654
3655         * module.cc (note_cmis): New.
3656         (struct module_state): Add inform_read_p bit.
3657         (module_state::do_import): Inform of CMI location, if enabled.
3658         (init_modules): Canonicalize note_cmis entries.
3659         (handle_module_option): Handle -flang-info-module-read=FOO.
3660
3661 2021-02-19  Jason Merrill  <jason@redhat.com>
3662
3663         PR c++/96926
3664         * call.c (perfect_conversion_p): Limit rvalueness
3665         test to reference bindings.
3666
3667 2021-02-19  Jason Merrill  <jason@redhat.com>
3668
3669         PR c++/96926
3670         * call.c (perfect_conversion_p): New.
3671         (perfect_candidate_p): New.
3672         (add_candidates): Ignore templates after a perfect non-template.
3673
3674 2021-02-18  Nathan Sidwell  <nathan@acm.org>
3675
3676         PR c++/99023
3677         * module.cc (canonicalize_header_name): Use
3678         cpp_probe_header_unit.
3679         (maybe_translate_include): Fix note_includes comparison.
3680         (init_modules): Fix note_includes string termination.
3681
3682 2021-02-18  Jakub Jelinek  <jakub@redhat.com>
3683
3684         PR c++/99132
3685         * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Use
3686         cp_get_callee_fndecl_nofold instead of cp_get_callee_fndecl to check
3687         for immediate function calls.
3688
3689 2021-02-17  Nathan Sidwell  <nathan@acm.org>
3690
3691         PR c++/99023
3692         * module.cc (struct macro_export): Add GTY markers.
3693         (macro_exports): Likewise, us a va_gc Vector.
3694
3695 2021-02-17  Jakub Jelinek  <jakub@redhat.com>
3696
3697         PR sanitizer/99106
3698         * init.c (build_zero_init_1): For flexible array members just return
3699         NULL_TREE instead of returning empty CONSTRUCTOR with non-complete
3700         ARRAY_TYPE.
3701
3702 2021-02-17  Nathan Sidwell  <nathan@acm.org>
3703
3704         PR c++/99116
3705         * name-lookup.c (do_pushdecl): Don't peek under template_parm
3706         bindings here ...
3707         (set_identifier_type_value_with_scope): ... or here.
3708         (do_pushtag): Only set_identifier_type_value_with_scope at
3709         non-class template parm scope, and use parent scope.
3710
3711 2021-02-17  Nathan Sidwell  <nathan@acm.org>
3712
3713         PR c++/99071
3714         * name-lookup.c (maybe_record_mergeable_decl): Deref the correct
3715         pointer.
3716
3717 2021-02-17  Patrick Palka  <ppalka@redhat.com>
3718
3719         PR debug/96997
3720         PR c++/94034
3721         * tree.c (build_aggr_init_expr): Revert r10-7718 change.
3722
3723 2021-02-12  Nathan Sidwell  <nathan@acm.org>
3724
3725         * module.cc (module_state::write_cluster): Check bindings for
3726         imported using-decls.
3727
3728 2021-02-12  Nathan Sidwell  <nathan@acm.org>
3729
3730         PR c++/99040
3731         * module.cc (trees_in::decl_value): Call add_module_namespace_decl
3732         for new namespace-scope entities.
3733         (module_state::read_cluster): Don't call add_module_decl here.
3734         * name-lookup.h (add_module_decl): Rename to ...
3735         (add_module_namespace_decl): ... this.
3736         * name-lookup.c (newbinding_bookkeeping): Move into ...
3737         (do_pushdecl): ... here.  Its only remaining caller.
3738         (add_module_decl): Rename to ...
3739         (add_module_namespace_decl): ... here.  Add checking-assert for
3740         circularity. Don't call newbinding_bookkeeping, just extern_c
3741         checking and incomplete var checking.
3742
3743 2021-02-12  Nathan Sidwell  <nathan@acm.org>
3744
3745         PR c++/99039
3746         PR c++/99040
3747         * cp-tree.h (CPTI_GLOBAL_TYPE): Delete.
3748         (global_type_node): Delete.
3749         (IDENTIFIER_TYPE_VALUE): Delete.
3750         (IDENTIFIER_HAS_TYPE_VALUE): Delete.
3751         (get_type_value): Delete.
3752         * name-lookup.h (identifier_type_value): Delete.
3753         * name-lookup.c (check_module_override): Don't
3754         SET_IDENTIFIER_TYPE_VALUE here.
3755         (do_pushdecl): Nor here.
3756         (identifier_type_value_1, identifier_type_value): Delete.
3757         (set_identifier_type_value_with_scope): Only
3758         SET_IDENTIFIER_TYPE_VALUE for local and class scopes.
3759         (pushdecl_nanmespace_level): Remove shadow stack nadgering.
3760         (do_pushtag): Use REAL_IDENTIFIER_TYPE_VALUE.
3761         * call.c (check_dtor_name): Use lookup_name.
3762         * decl.c (cxx_init_decl_processing): Drop global_type_node.
3763         * decl2.c (cplus_decl_attributes): Don't SET_IDENTIFIER_TYPE_VALUE
3764         here.
3765         * init.c (get_type_value): Delete.
3766         * pt.c (instantiate_class_template_1): Don't call pushtag or
3767         SET_IDENTIFIER_TYPE_VALUE here.
3768         (tsubst): Assert never an identifier.
3769         (dependent_type_p): Drop global_type_node assert.
3770         * typeck.c (error_args_num): Don't use IDENTIFIER_HAS_TYPE_VALUE
3771         to determine ctorness.
3772
3773 2021-02-12  Jakub Jelinek  <jakub@redhat.com>
3774
3775         PR c++/97742
3776         * parser.c (cp_parser_requirement_seq): Stop iterating after reaching
3777         CPP_EOF.
3778
3779 2021-02-12  Jason Merrill  <jason@redhat.com>
3780
3781         PR c++/97246
3782         PR c++/94546
3783         * pt.c (extract_fnparm_pack): Check DECL_PACK_P here.
3784         (register_parameter_specializations): Not here.
3785
3786 2021-02-11  Marek Polacek  <polacek@redhat.com>
3787
3788         PR c++/95888
3789         * pt.c (lookup_template_class_1): Pass tf_none to tsubst when looking
3790         for the partial instantiation.
3791
3792 2021-02-11  Jakub Jelinek  <jakub@redhat.com>
3793
3794         PR c++/99033
3795         * init.c (build_zero_init_1): Handle zero initialiation of
3796         flexible array members like initialization of [0] arrays.
3797         Use integer_minus_onep instead of comparison to integer_minus_one_node
3798         and integer_zerop instead of comparison against size_zero_node.
3799         Formatting fixes.
3800
3801 2021-02-11  Marek Polacek  <polacek@redhat.com>
3802
3803         PR c++/99063
3804         * semantics.c (finish_do_stmt): Check for unexpanded parameter packs.
3805
3806 2021-02-11  Patrick Palka  <ppalka@redhat.com>
3807
3808         PR c++/97582
3809         * name-lookup.c (op_unqualified_lookup): Handle an ambiguous
3810         lookup result by discarding it if the first element is a
3811         class-scope declaration, otherwise return it.
3812         (push_operator_bindings): Handle an ambiguous lookup result by
3813         doing push_local_binding on each element in the list.
3814
3815 2021-02-11  Marek Polacek  <polacek@redhat.com>
3816
3817         * parser.c (cp_parser_selection_statement): Use vec_free.
3818
3819 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
3820
3821         PR c++/98988
3822         PR c++/99031
3823         * constexpr.c: Include cgraph.h.
3824         (cxx_eval_call_expression): Call varpool_node::finalize_decl on
3825         heap artificial vars.
3826         (cxx_eval_outermost_constant_expr): Remove varpool nodes for
3827         heap artificial vars.
3828
3829 2021-02-10  Nathan Sidwell  <nathan@acm.org>
3830
3831         PR c++/99030
3832         * pt.c (tsubst_copy) [VAR_DECL]: For a DECL_LOCAL_DECL_P T is the
3833         answer if there's no local specialization.
3834
3835 2021-02-09  Nathan Sidwell  <nathan@acm.org>
3836
3837         PR c++/98944
3838         * module.cc (module_state::is_rooted): Rename to ...
3839         (module_state::has_location): ... here.  Adjust callers.
3840         (module_state::read_partitions): Adjust validity check.
3841         Don't overwrite a known location.
3842
3843 2021-02-09  Jason Merrill  <jason@redhat.com>
3844
3845         PR c++/96905
3846         * pt.c (mark_decl_instantiated): Exit early if consteval.
3847
3848 2021-02-09  Jason Merrill  <jason@redhat.com>
3849
3850         PR c++/98326
3851         PR c++/20408
3852         * cp-gimplify.c (simple_empty_class_p): Don't touch an invisiref
3853         parm.
3854
3855 2021-02-09  Jason Merrill  <jason@redhat.com>
3856
3857         PR c++/98994
3858         PR c++/97566
3859         * constexpr.c (cxx_eval_store_expression): Only skip empty fields in
3860         RECORD_TYPE.
3861
3862 2021-02-08  Nathan Sidwell  <nathan@acm.org>
3863
3864         * decl.c (start_cleanup_fn): Push function into
3865         namespace.
3866
3867 2021-02-08  Nathan Sidwell  <nathan@acm.org>
3868
3869         PR c++/98531
3870         * cp-tree.h (push_abi_namespace, pop_abi_namespace): Declare.
3871         * decl.c (push_abi_namespace, pop_abi_namespace): Moved
3872         from rtti.c, add default namespace arg.
3873         (check_redeclaration_exception_specification): Allow a lazy
3874         builtin's eh spec to differ from an lready-declared user
3875         declaration.
3876         (declare_global_var): Use push/pop_abi_namespace.
3877         (get_atexit_node): Push the fndecl into a namespace.
3878         * rtti.c (push_abi_namespace, pop_abi_namespace): Moved to
3879         decl.c.
3880
3881 2021-02-08  Marek Polacek  <polacek@redhat.com>
3882
3883         * cp-tree.h (CLASSTYPE_TI_TEMPLATE): Fix typo.
3884
3885 2021-02-05  Marek Polacek  <polacek@redhat.com>
3886
3887         PR c++/98947
3888         * call.c (build_conditional_expr_1): Don't call mark_lvalue_use
3889         on arg2/arg3.
3890         * expr.c (mark_use) <case MODIFY_EXPR>: Don't check read_p when
3891         issuing the -Wvolatile warning.  Only set TREE_THIS_VOLATILE if
3892         a warning was emitted.
3893
3894 2021-02-05  Marek Polacek  <polacek@redhat.com>
3895
3896         PR c++/96462
3897         * name-lookup.c (lookup_using_decl): Hoist the destructor check.
3898
3899 2021-02-05  Jakub Jelinek  <jakub@redhat.com>
3900
3901         PR c++/97878
3902         * decl.c (check_array_initializer): For structured bindings, require
3903         the array type to be complete.
3904
3905 2021-02-04  Jason Merrill  <jason@redhat.com>
3906
3907         PR c++/98717
3908         * constraint.cc (build_concept_check_arguments): Remove assert.
3909         (build_concept_check): Allow empty args.
3910
3911 2021-02-04  Tom Greenslade (thomgree)  <thomgree@cisco.com>
3912
3913         PR c++/90926
3914         * call.c (can_convert_array): Extend to handle all valid aggregate
3915         initializers of an array; including by string literals, not just by
3916         brace-init-list.
3917         (build_aggr_conv): Call can_convert_array more often, not just in
3918         brace-init-list case.
3919         * typeck2.c (array_string_literal_compatible_p): New function.
3920         (digest_init_r): call array_string_literal_compatible_p
3921         * cp-tree.h: (array_string_literal_compatible_p): Declare.
3922
3923 2021-02-04  Jason Merrill  <jason@redhat.com>
3924
3925         PR c++/98802
3926         * pt.c (do_class_deduction): No aggregate guide if any_dguides_p.
3927
3928 2021-02-04  Jason Merrill  <jason@redhat.com>
3929
3930         PR c++/95192
3931         * pt.c (tsubst_attribute): Handle error.
3932         (apply_late_template_attributes): Return false on error.
3933         (tsubst_function_decl): Check its return value.
3934         (tsubst_decl): Likewise.
3935         (push_template_decl): Assert current_template_parms.
3936         (tsubst_template_decl): Set current_template_parms.
3937
3938 2021-02-03  Marek Polacek  <polacek@redhat.com>
3939
3940         PR c++/98951
3941         * call.c (struct z_candidate): Mark rewritten and reversed as const.
3942         (struct NonPublicField): Mark operator() as const.
3943         (struct NonTrivialField): Likewise.
3944
3945 2021-02-03  Jason Merrill  <jason@redhat.com>
3946
3947         PR c++/98926
3948         PR c++/98570
3949         * pt.c (spec_hasher::equal): Set processing_template_decl.
3950         * Make-lang.in (check-g++-strict-gc): Add --param
3951         hash-table-verification-limit=10000.
3952
3953 2021-02-03  Marek Polacek  <polacek@redhat.com>
3954
3955         PR c++/98899
3956         * parser.c (cp_parser_class_specifier_1): Use any possible
3957         DEFPARSE_INSTANTIATIONS to update DEFERRED_NOEXCEPT_PATTERN.
3958         (cp_parser_save_noexcept): Initialize DEFPARSE_INSTANTIATIONS.
3959         * pt.c (tsubst_exception_specification): Stash new_specs into
3960         DEFPARSE_INSTANTIATIONS.
3961         * tree.c (fixup_deferred_exception_variants): Use
3962         UNPARSED_NOEXCEPT_SPEC_P.
3963
3964 2021-02-02  Jason Merrill  <jason@redhat.com>
3965
3966         PR c++/98929
3967         PR c++/96199
3968         * error.c (dump_expr): Ignore dummy object.
3969         * pt.c (tsubst_baselink): Handle dependent scope.
3970
3971 2021-02-01  Patrick Palka  <ppalka@redhat.com>
3972
3973         PR c++/98295
3974         * constexpr.c (cxx_eval_array_reference): Also set
3975         new_ctx.object when setting new_ctx.ctor.
3976
3977 2021-02-01  Marek Polacek  <polacek@redhat.com>
3978
3979         PR c++/98355
3980         * parser.c (cp_parser_has_attribute_expression): Use
3981         uses_template_parms instead of type_dependent_expression_p.
3982
3983 2021-02-01  Jason Merrill  <jason@redhat.com>
3984
3985         PR c++/98570
3986         * cp-tree.h: Declare it.
3987         * pt.c (comparing_dependent_aliases): New flag.
3988         (template_args_equal, spec_hasher::equal): Set it.
3989         (dependent_alias_template_spec_p): Assert that we don't
3990         get non-types other than error_mark_node.
3991         (instantiate_alias_template): SET_TYPE_STRUCTURAL_EQUALITY
3992         on complex alias specializations.  Set TYPE_DEPENDENT_P here.
3993         (tsubst_decl): Not here.
3994         * module.cc (module_state::read_cluster): Set
3995         comparing_dependent_aliases instead of
3996         comparing_specializations.
3997         * tree.c (cp_tree_equal): Remove comparing_specializations
3998         module handling.
3999         * typeck.c (structural_comptypes): Adjust.
4000         (comptypes): Remove comparing_specializations handling.
4001
4002 2021-01-29  Nathan Sidwell  <nathan@acm.org>
4003
4004         PR c++/98843
4005         * module.cc (module_state_config): Add num_entities field.
4006         (module_state::read_entities): The entity_ary span is
4007         already allocated.
4008         (module_state::write_config): Write num_entities.
4009         (module_state::read_config): Read num_entities.
4010         (module_state::write): Set config's num_entities.
4011         (module_state::read_initial): Allocate the entity ary
4012         span here.
4013         (module_state::read_language): Do not set entity_lwm
4014         here.
4015
4016 2021-01-29  Marek Polacek  <polacek@redhat.com>
4017
4018         PR c++/96137
4019         * parser.c (cp_parser_class_name): If parser->scope is
4020         error_mark_node, return it, otherwise continue.
4021
4022 2021-01-28  Jakub Jelinek  <jakub@redhat.com>
4023
4024         PR c++/98841
4025         * typeck.c (build_x_indirect_ref): For *this, return current_class_ref.
4026
4027 2021-01-28  Jakub Jelinek  <jakub@redhat.com>
4028
4029         PR c++/33661
4030         PR c++/98847
4031         * decl.c (cp_finish_decl): For register vars with asmspec in templates
4032         call set_user_assembler_name and set DECL_HARD_REGISTER.
4033         * pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars,
4034         pass asmspec_tree to cp_finish_decl.
4035
4036 2021-01-28  Nathan Sidwell  <nathan@acm.org>
4037
4038         PR c++/98770
4039         * module.cc (trees_out::decl_value): Swap is_typedef & TYPE_NAME
4040         check order.
4041         (trees_in::decl_value): Do typedef frobbing only when installing
4042         a new typedef, adjust is_matching_decl call.  Swap is_typedef
4043         & TYPE_NAME check.
4044         (trees_in::is_matching_decl): Add is_typedef parm. Adjust variable
4045         names and deal with typedef checking.
4046
4047 2021-01-27  Jason Merrill  <jason@redhat.com>
4048
4049         PR c++/97874
4050         * name-lookup.c (lookup_using_decl): Clean up handling
4051         of dependency and inherited constructors.
4052         (finish_nonmember_using_decl): Handle DECL_DEPENDENT_P.
4053         * pt.c (tsubst_expr): Handle DECL_DEPENDENT_P.
4054
4055 2021-01-26  Jason Merrill  <jason@redhat.com>
4056
4057         PR c++/97474
4058         * call.c (type_passed_as): Don't mark invisiref restrict.
4059
4060 2021-01-26  Jason Merrill  <jason@redhat.com>
4061
4062         PR c++/97566
4063         PR c++/98463
4064         * class.c (layout_class_type): An empty field gets size 0.
4065         (is_empty_field): New.
4066         (check_bases): Check it.
4067         * cp-tree.h (is_empty_field): Declare it.
4068         * constexpr.c (cxx_eval_store_expression): Check it.
4069         (cx_check_missing_mem_inits): Likewise.
4070         * init.c (perform_member_init): Likewise.
4071         * typeck2.c (process_init_constructor_record): Likewise.
4072
4073 2021-01-25  Martin Sebor  <msebor@redhat.com>
4074
4075         PR c++/98646
4076         * cvt.c (cp_fold_convert): Propagate TREE_NO_WARNING.
4077
4078 2021-01-25  Jason Merrill  <jason@redhat.com>
4079
4080         PR c++/98463
4081         * constexpr.c (get_or_insert_ctor_field): Add check.
4082         (cxx_eval_store_expression): Handle discontinuity of refs.
4083
4084 2021-01-23  Anthony Sharp  <anthonysharp15@gmail.com>
4085
4086         * call.c (complain_about_access): Altered function.
4087         * cp-tree.h (complain_about_access): Changed parameters of function.
4088         (get_parent_with_private_access): Declared new function.
4089         * search.c (get_parent_with_private_access): Defined new function.
4090         * semantics.c (enforce_access): Modified function.
4091         * typeck.c (complain_about_unrecognized_member): Updated function
4092         arguments in complain_about_access.
4093
4094 2021-01-23  Patrick Palka  <ppalka@redhat.com>
4095
4096         PR c++/97399
4097         * cp-tree.h (shared_member_p): Adjust declaration.
4098         * parser.c (cp_parser_init_declarator): If the storage class
4099         specifier is sc_static, pass true for static_p to
4100         cp_parser_declarator.
4101         (cp_parser_direct_declarator): Don't do inject_this_parm when
4102         the declarator is a friend.
4103         * search.c (shared_member_p): Change return type to bool and
4104         adjust function body accordingly.  Return false for a dependent
4105         USING_DECL instead of aborting.
4106         * semantics.c (finish_qualified_id_expr): Rely on shared_member_p
4107         even when type-dependent.
4108
4109 2021-01-22  Marek Polacek  <polacek@redhat.com>
4110
4111         PR c++/96623
4112         * parser.c (inject_parm_decls): Remove a redundant assignment.
4113         (cp_parser_class_specifier_1): Clear current_class_{ptr,ref}
4114         before calling inject_parm_decls.
4115
4116 2021-01-22  Jason Merrill  <jason@redhat.com>
4117
4118         PR c++/98744
4119         * call.c (make_base_init_ok): Use DECL_HAS_VTT_PARM_P.
4120
4121 2021-01-22  Jakub Jelinek  <jakub@redhat.com>
4122
4123         PR sanitizer/95693
4124         * init.c (build_zero_init_1): Revert the 2018-03-06 change to
4125         return build_zero_cst for reference types.
4126         * typeck2.c (process_init_constructor_record): Instead call
4127         build_zero_cst here during error recovery instead of build_zero_init.
4128
4129 2021-01-22  Marek Polacek  <polacek@redhat.com>
4130
4131         PR c++/98545
4132         * mangle.c (write_member_name): Emit abi_warn_or_compat_version_crosses
4133         warnings regardless of abi_version_at_least.
4134         (write_expression): When the expression is a dependent name
4135         and an operator name, write "on" before writing its name.
4136
4137 2021-01-22  Marek Polacek  <polacek@redhat.com>
4138
4139         PR c++/97966
4140         * pt.c (instantiate_class_template_1): Instantiate members
4141         marked with attribute used only after we're done instantiating
4142         the class.
4143
4144 2021-01-21  Patrick Palka  <ppalka@redhat.com>
4145
4146         PR c++/71879
4147         * semantics.c (finish_decltype_type): Set up a cp_unevaluated
4148         sentinel at the start of the function.  Remove a now-redundant
4149         manual adjustment of cp_unevaluated_operand.
4150
4151 2021-01-21  Nathan Sidwell  <nathan@acm.org>
4152
4153         PR c++/98624
4154         * module.cc (depset::hash::find_dependencies): Add
4155         module arg.
4156         (trees_out::core_vals): Check state before calling
4157         write_location.
4158         (sort_cluster, module_state::write): Adjust
4159         find_dependencies call.
4160
4161 2021-01-21  Jakub Jelinek  <jakub@redhat.com>
4162
4163         PR c++/98672
4164         * constexpr.c (check_for_return_continue_data): Add break_stmt member.
4165         (check_for_return_continue): Also look for BREAK_STMT.  Handle
4166         SWITCH_STMT by ignoring break_stmt from its body.
4167         (potential_constant_expression_1) <case FOR_STMT>,
4168         <case WHILE_STMT>: If the condition isn't constant true, check if
4169         the loop body can contain a return stmt.
4170         <case SWITCH_STMT>: Adjust check_for_return_continue_data initializer.
4171         <case IF_STMT>: If recursion with tf_none is successful,
4172         merge *jump_target from the branches - returns with highest priority,
4173         breaks or continues lower.  If then branch is potentially constant and
4174         doesn't return, check the else branch if it could return, break or
4175         continue.
4176
4177 2021-01-21  Nathan Sidwell  <nathan@acm.org>
4178
4179         PR c++/98530
4180         * name-lookup.c (lookup_class_binding): Rearrange a stat-hack.
4181
4182 2021-01-20  Nathan Sidwell  <nathan@acm.org>
4183
4184         * module.cc (bytes_in::i, bytes_in::wi): Avoid left shift of
4185         signed type.
4186
4187 2021-01-20  Patrick Palka  <ppalka@redhat.com>
4188
4189         PR c++/95434
4190         * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: If tsubsting
4191         CLASS_PLACEHOLDER_TEMPLATE yields a TEMPLATE_TEMPLATE_PARM,
4192         adjust to its TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL.
4193
4194 2021-01-20  Patrick Palka  <ppalka@redhat.com>
4195
4196         PR c++/82613
4197         * parser.c (cp_parser_class_head): Defer access checking when
4198         parsing the base-clause until all bases are seen and attached
4199         to the class type.
4200         * pt.c (instantiate_class_template): Likewise when substituting
4201         into dependent bases.
4202
4203 2021-01-20  Jakub Jelinek  <jakub@redhat.com>
4204
4205         PR c++/98742
4206         * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_DETACH>: If
4207         error_operand_p, remove clause without further checking.  Check
4208         for non-NULL TYPE_NAME.
4209
4210 2021-01-19  Marek Polacek  <polacek@redhat.com>
4211
4212         PR c++/98659
4213         * pt.c (maybe_instantiate_noexcept): Return false if FN is
4214         error_mark_node.
4215
4216 2021-01-19  Marek Polacek  <polacek@redhat.com>
4217
4218         PR c++/98687
4219         * name-lookup.c (push_using_decl_bindings): New, broken out of...
4220         (finish_nonmember_using_decl): ...here.
4221         * name-lookup.h (push_using_decl_bindings): Update declaration.
4222         * pt.c (tsubst_expr): Update the call to push_using_decl_bindings.
4223
4224 2021-01-19  Patrick Palka  <ppalka@redhat.com>
4225
4226         PR c++/41437
4227         PR c++/58993
4228         * search.c (friend_accessible_p): If scope is a hidden friend
4229         defined inside a dependent class, consider access from the
4230         class.
4231         * parser.c (cp_parser_late_parsing_for_member): Don't push a
4232         dk_no_check access state.
4233
4234 2021-01-19  Marek Polacek  <polacek@redhat.com>
4235
4236         PR c++/98333
4237         * parser.c (cp_parser_class_specifier_1): Perform late-parsing
4238         of NSDMIs before late-parsing of noexcept-specifiers.
4239
4240 2021-01-19  Nathan Sidwell  <nathan@acm.org>
4241
4242         * module.cc (identifier): Merge overloads.
4243
4244 2021-01-19  Nathan Sidwell  <nathan@acm.org>
4245
4246         PR c++/98624
4247         * module.cc (trees_out::write_location): Make static.
4248
4249 2021-01-16  Kwok Cheung Yeung  <kcy@codesourcery.com>
4250
4251         * parser.c (cp_parser_omp_clause_detach): New.
4252         (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH.
4253         (OMP_TASK_CLAUSE_MASK): Add mask for PRAGMA_OMP_CLAUSE_DETACH.
4254         * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4255         * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4256         Prevent use of detach with mergeable and overriding the data sharing
4257         mode of the event handle.
4258
4259 2021-01-15  Nathan Sidwell  <nathan@acm.org>
4260
4261         PR c++/98538
4262         * tree.c (cp_build_qualified_type_real): Propagate an array's
4263         dependentness to the copy, if known.
4264
4265 2021-01-15  Jason Merrill  <jason@redhat.com>
4266
4267         PR c++/98642
4268         * call.c (unsafe_return_slot_p): Return int.
4269         (init_by_return_slot_p): Split out from...
4270         (unsafe_copy_elision_p): ...here.
4271         (unsafe_copy_elision_p_opt): New name for old meaning.
4272         (build_over_call): Adjust.
4273         (make_safe_copy_elision): New.
4274         * typeck2.c (split_nonconstant_init_1): Elide copy from safe
4275         list-initialization.
4276         * cp-tree.h: Adjust.
4277
4278 2021-01-15  Jason Merrill  <jason@redhat.com>
4279
4280         * call.c (base_ctor_for, make_base_init_ok): New.
4281         (build_over_call): Use make_base_init_ok.
4282
4283 2021-01-15  Jason Merrill  <jason@redhat.com>
4284
4285         PR c++/63707
4286         * tree.c (build_vec_init_expr): Don't call build_vec_init_elt
4287         if we got a CONSTRUCTOR.
4288
4289 2021-01-15  Nathan Sidwell  <nathan@acm.org>
4290
4291         PR c++/98591
4292         * lang-specs.h: Fix handling of -fmodule-only with -fsyntax-only.
4293
4294 2021-01-14  Jason Merrill  <jason@redhat.com>
4295
4296         * typeck2.c (process_init_constructor_record): Use fldtype
4297         variable consistently.
4298
4299 2021-01-14  Nathan Sidwell  <nathan@acm.org>
4300
4301         PR c++/98372
4302         * tree.c (cp_tree_equal): Correct map_context logic.
4303
4304 2021-01-13  Marek Polacek  <polacek@redhat.com>
4305
4306         PR c++/98231
4307         * name-lookup.c (push_using_decl_bindings): New.
4308         * name-lookup.h (push_using_decl_bindings): Declare.
4309         * pt.c (tsubst_expr): Call push_using_decl_bindings.
4310
4311 2021-01-13  Nathan Sidwell  <nathan@acm.org>
4312
4313         PR c++/98626
4314         * module.cc (module_add_import_initializers):  Pass a
4315         zero-element argument vector.
4316
4317 2021-01-12  Patrick Palka  <ppalka@redhat.com>
4318
4319         PR c++/98611
4320         * tree.c (cp_walk_subtrees) <case TEMPLATE_TYPE_PARM>: Visit
4321         the template of a CTAD placeholder.
4322
4323 2021-01-12  Marek Polacek  <polacek@redhat.com>
4324
4325         PR c++/98620
4326         * typeck2.c (process_init_constructor_record): Don't emit
4327         -Wmissing-field-initializers warnings in unevaluated contexts.
4328
4329 2021-01-11  Jakub Jelinek  <jakub@redhat.com>
4330
4331         PR c++/98481
4332         * class.c (find_abi_tags_r): Set *walk_subtrees to 2 instead of 1
4333         for types.
4334         (mark_abi_tags_r): Likewise.
4335         * decl2.c (min_vis_r): Likewise.
4336         * tree.c (cp_walk_subtrees): If *walk_subtrees_p is 2, look through
4337         typedefs.
4338
4339 2021-01-08  Patrick Palka  <ppalka@redhat.com>
4340
4341         PR c++/98551
4342         * constexpr.c (cxx_eval_call_expression): Check CLASS_TYPE_P
4343         instead of AGGREGATE_TYPE_P before calling replace_result_decl.
4344
4345 2021-01-08  Patrick Palka  <ppalka@redhat.com>
4346
4347         PR c++/98515
4348         * semantics.c (check_accessibility_of_qualified_id): Punt if
4349         we're checking access of a scoped non-static member inside a
4350         class template.
4351
4352 2021-01-07  Jakub Jelinek  <jakub@redhat.com>
4353
4354         PR c++/98329
4355         * pt.c (tsubst_copy) <case BIT_CAST_EXPR>: Don't call
4356         cp_build_bit_cast here, instead just build_min a BIT_CAST_EXPR and set
4357         its location.
4358         (tsubst_copy_and_build): Handle BIT_CAST_EXPR.
4359
4360 2021-01-07  Marek Polacek  <polacek@redhat.com>
4361
4362         PR c++/98441
4363         * decl.c (grokdeclarator): Move the !funcdecl_p check inside the
4364         !late_return_type block.
4365
4366 2021-01-07  Jason Merrill  <jason@redhat.com>
4367
4368         * constexpr.c (cxx_bind_parameters_in_call): Add comment.
4369         (cxx_eval_store_expression): Add comment.
4370
4371 2021-01-07  Jason Merrill  <jason@redhat.com>
4372
4373         * call.c (has_next): Factor out from...
4374         (next_conversion): ...here.
4375         (strip_standard_conversion): And here.
4376         (is_subseq): And here.
4377         (build_conv): Check it.
4378         (standard_conversion): Don't call build_conv
4379         for ck_identity.
4380
4381 2021-01-06  Martin Sebor  <msebor@redhat.com>
4382
4383         PR c++/95768
4384         * error.c (dump_expr): Call c_pretty_printer::unary_expression.
4385
4386 2021-01-05  Patrick Palka  <ppalka@redhat.com>
4387
4388         * pt.c (unify) <case TEMPLATE_PARM_INDEX>: After walking into
4389         the type of the NTTP, substitute into the type again.  If the
4390         type is still dependent, don't unify the NTTP.
4391
4392 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4393
4394         * Make-lang.in (cc1plus-checksum, cc1plus$(exeext): Add
4395         $(CODYLIB) after $(BACKEND).
4396
4397 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4398
4399         PR c++/98469
4400         * constexpr.c (cxx_eval_constant_expression) <case BIT_CAST_EXPR>:
4401         Punt if lval is true.
4402         * semantics.c (cp_build_bit_cast): Call get_target_expr_sfinae on
4403         the result if it has a class type.
4404
4405 2021-01-05  Marek Polacek  <polacek@redhat.com>
4406
4407         PR c++/82099
4408         * pt.c (resolve_overloaded_unification): Call
4409         maybe_instantiate_noexcept after instantiating the function
4410         decl.
4411
4412 2021-01-05  Nathan Sidwell  <nathan@acm.org>
4413
4414         * parser.c (cp_parser_module_declaration): Alter diagnostic
4415         text to say where is permissable.
4416
4417 2021-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4418
4419         PR c++/98316
4420         * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS).
4421
4422 2021-01-02  Jan Hubicka  <jh@suse.cz>
4423
4424         * cp-tree.h (cp_tree_c_finish_parsing): Declare.
4425         * decl2.c (c_parse_final_cleanups): Call cp_tree_c_finish_parsing.
4426         * tree.c (cp_tree_c_finish_parsing): New function.
4427
4428 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
4429
4430         * ChangeLog-2020: Rotate ChangeLog.  New file.
4431
4432 \f
4433 Copyright (C) 2021 Free Software Foundation, Inc.
4434
4435 Copying and distribution of this file, with or without modification,
4436 are permitted in any medium without royalty provided the copyright
4437 notice and this notice are preserved.