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