1 2021-10-28 Patrick Palka <ppalka@redhat.com>
4 * parser.c (cp_parser_simple_type_specifier): Adjust diagnostic
5 for using auto in parameter declaration.
6 * pt.c (extract_autos_r): Ignore CTAD placeholders.
7 (extract_autos): Use range-based for.
8 (do_auto_deduction): Use extract_autos only for the concepts TS
9 and not also for standard concepts.
10 (type_uses_auto): Likewise with for_each_template_parm.
11 (check_auto_in_tmpl_args): Just return false outside of the
12 concepts TS. Simplify.
14 2021-10-28 Patrick Palka <ppalka@redhat.com>
17 * constexpr.c (potential_constant_expression_1) <case TRUTH_*_EXPR>:
18 When tf_error isn't set, preemptively check potentiality of the
19 second operand before performing trial evaluation of the first
21 (potential_constant_expression_1): When tf_error is set, first check
22 potentiality quietly and return true if successful, otherwise
23 proceed noisily to give errors.
25 2021-10-27 Jakub Jelinek <jakub@redhat.com>
28 * semantics.c (handle_omp_for_class_iterator,
29 finish_omp_for): Adjust c_omp_check_loop_iv_exprs caller.
31 2021-10-27 Jakub Jelinek <jakub@redhat.com>
34 * constexpr.c (cxx_eval_outermost_constant_expr): Perform
35 find_immediate_fndecl discovery if is_consteval or
36 in_immediate_context () rather than if is_consteval, t != r
37 and not in immediate function's body.
39 2021-10-27 Jakub Jelinek <jakub@redhat.com>
42 * cp-tree.h (saved_scope): Document that consteval_if_p member
43 is also set while processing immediate invocation.
44 (in_immediate_context): Declare.
45 * call.c (in_immediate_context): New function.
46 (immediate_invocation_p): Use it.
47 (struct in_consteval_if_p_temp_override): New class.
48 (build_over_call): Temporarily set in_consteval_if_p for processing
49 immediate invocation arguments.
50 * typeck.c (cp_build_addr_expr_1): Diagnose taking address of
51 an immediate method. Use t instead of TREE_OPERAND (arg, 1).
52 Use in_immediate_context function.
53 * constexpr.c (find_immediate_fndecl): Handle PTRMEM_CST
54 which refers to immediate function decl.
56 2021-10-26 Marek Polacek <polacek@redhat.com>
59 * parser.c (cp_parser_for): Maybe call cp_parser_init_statement
60 twice. Warn about range-based for loops with initializer here.
61 (cp_parser_init_statement): Don't duplicate code. Allow
62 alias-declaration in init-statement.
64 2021-10-22 Eric Gallager <egallager@gcc.gnu.org>
67 * Make-lang.in: Add dummy c++.install-dvi target.
69 2021-10-20 Jason Merrill <jason@redhat.com>
71 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
72 Pass true for declarator_p.
73 (cp_parser_nested_name_specifier_opt): Only look through
74 TYPENAME_TYPE if check_dependency_p is false.
76 2021-10-20 Jakub Jelinek <jakub@redhat.com>
79 * name-lookup.c (push_local_extern_decl_alias): Don't call
80 set_decl_tls_model on error_mark_node.
81 * decl.c (make_rtl_for_nonlocal_decl): Don't call
82 set_user_assembler_name on error_mark_node.
83 * parser.c (cp_parser_oacc_declare): Ignore DECL_LOCAL_DECL_ALIAS
84 if it is error_mark_node.
85 (cp_parser_omp_declare_target): Likewise.
87 2021-10-19 Jakub Jelinek <jakub@redhat.com>
90 * constexpr.c (cxx_eval_constant_expression): Don't reject
91 INTEGER_CSTs with type POINTER_TYPE to METHOD_TYPE.
93 2021-10-15 Jason Merrill <jason@redhat.com>
101 * pt.c (determine_specialization): Remove redundant code.
102 (fn_type_unification): Check for mismatched length.
103 (type_unification_real): Ignore terminal void.
104 (get_bindings): Don't stop at void_list_node.
105 * class.c (resolve_address_of_overloaded_function): Likewise.
107 2021-10-15 Jason Merrill <jason@redhat.com>
109 * constexpr.c (cxx_bind_parameters_in_call): Replace
110 new_call parameter with fun.
111 (cxx_eval_call_expression): Call it before instantiation.
112 (cxx_eval_outermost_constant_expr): Only instantiate fns
113 when manifestly_const_eval.
114 * typeck2.c (check_narrowing): This context is manifestly
117 2021-10-14 Kwok Cheung Yeung <kcy@codesourcery.com>
119 * decl.c (omp_declare_variant_finalize_one): Change call from
120 c_omp_mark_declare_variant to omp_mark_declare_variant.
121 * parser.c (cp_finish_omp_declare_variant): Change call from
122 c_omp_check_context_selector to omp_check_context_selector.
124 2021-10-09 Jakub Jelinek <jakub@redhat.com>
126 * parser.c (cp_parser_omp_structured_block): Remove disallow_omp_attrs
128 (cp_parser_omp_structured_block_sequence): New function.
129 (cp_parser_omp_scan_loop_body): Use it.
130 (cp_parser_omp_sections_scope): Likewise.
132 2021-10-08 Martin Liska <mliska@suse.cz>
134 * constexpr.c (maybe_warn_about_constant_value): Use new macro
136 * decl.c (redeclaration_error_message): Likewise.
137 (cxx_init_decl_processing): Likewise.
139 2021-10-08 Jakub Jelinek <jakub@redhat.com>
142 * parser.c (handle_omp_declare_target_clause): New function.
143 (cp_parser_omp_declare_target): Use it.
145 2021-10-07 Patrick Palka <ppalka@redhat.com>
148 * pt.c (convert_template_argument): Perform array/function to
149 pointer conversion on the substituted type of an NTTP.
151 2021-10-07 Patrick Palka <ppalka@redhat.com>
154 * pt.c (is_compatible_template_arg): Set processing_template_decl
155 around tsubst_constraint_info.
157 2021-10-07 Jonathan Wakely <jwakely@redhat.com>
160 * init.c (maybe_warn_list_ctor): Do not warn for a reference to
161 a non-const std::initializer_list.
163 2021-10-06 Jakub Jelinek <jakub@redhat.com>
166 * parser.c (cp_parser_jump_statement): Implement C++23 P2242R3.
167 Allow goto expressions in constexpr function bodies for C++23.
168 Adjust error message for older standards to mention it.
169 * decl.c (start_decl): Allow static and thread_local declarations
170 in constexpr function bodies for C++23. Adjust error message for
171 older standards to mention it.
172 * constexpr.c (ensure_literal_type_for_constexpr_object): Allow
173 declarations of variables with non-literal type in constexpr function
174 bodies for C++23. Adjust error message for older standards to mention
176 (cxx_eval_constant_expression) <case DECL_EXPR>: Diagnose declarations
177 of initialization of static or thread_local vars.
178 (cxx_eval_constant_expression) <case GOTO_EXPR>: Diagnose goto
179 statements for C++23.
180 (potential_constant_expression_1) <case DECL_EXPR>: Swap the
181 CP_DECL_THREAD_LOCAL_P and TREE_STATIC checks.
182 (potential_constant_expression_1) <case LABEL_EXPR>: Allow labels for
183 C++23. Adjust error message for older standards to mention it.
185 2021-10-06 Jakub Jelinek <jakub@redhat.com>
186 Jason Merrill <jason@redhat.com>
190 * cp-tree.h (maybe_synthesize_method): Declare.
191 * method.c (genericize_spaceship): Use
192 LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of
193 LOOKUP_NORMAL for flags.
194 (comp_info): Remove defining member. Add complain, code, retcat.
195 (comp_info::comp_info): Adjust.
196 (do_one_comp): Split out from build_comparison_op. Use
197 LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of
198 LOOKUP_NORMAL for flags.
199 (build_comparison_op): Add defining argument. Adjust comp_info
200 construction. Use defining instead of info.defining. Assert that
201 if defining, ctype is a complete type. Walk base binfos.
202 (synthesize_method, maybe_explain_implicit_delete,
203 explain_implicit_non_constexpr): Adjust build_comparison_op callers.
204 (maybe_synthesize_method): New function.
205 * class.c (check_bases_and_members): Don't call defaulted_late_check
207 (finish_struct_1): Call it here instead after class has been
209 * pt.c (maybe_instantiate_noexcept): Call maybe_synthesize_method
210 instead of synthesize_method.
212 2021-10-05 Jakub Jelinek <jakub@redhat.com>
215 * tree.c (apply_identity_attributes): Fix handling of the
216 case where an attribute in the list doesn't affect type
217 identity but some attribute before it does.
219 2021-10-05 Patrick Palka <ppalka@redhat.com>
222 * constexpr.c (potential_constant_expression_1): Handle
223 NONTYPE_ARGUMENT_PACK.
225 2021-10-05 Patrick Palka <ppalka@redhat.com>
228 * pt.c (has_value_dependent_address): Return true for a static
229 local variable from a function template.
231 2021-10-04 Marek Polacek <polacek@redhat.com>
234 * typeck.c (cp_build_binary_op): Call do_warn_array_compare.
236 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
239 * coroutines.cc (register_local_var_uses): Emit a sorry if
240 we encounter a VLA in the coroutine local variables.
242 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
245 * coroutines.cc (await_statement_walker): Report an error if
246 an await expression is found in a handler body.
248 2021-10-03 John Eivind Helset <jehelset@gmail.com>
251 * coroutines.cc (build_co_await): Guard against NULL
254 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
257 * coroutines.cc (build_co_await): Mark co_await_expr trees
258 with TREE_SIDE_EFFECTS, also mark any containing expression.
259 (finish_co_await_expr): Mark type-dependent co_await_expr
260 trees with TREE_SIDE_EFFECTS.
262 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
265 * coroutines.cc (build_co_await): Strip NOPs from
266 candidate awaiter expressions before testing to see
267 if they need a temporary.
269 2021-10-01 Martin Sebor <msebor@redhat.com>
272 * typeck.c (warn_for_null_address): Enhance.
273 (cp_build_binary_op): Call it also for member pointers.
275 2021-10-01 qingzhe huang <nickhuang99@hotmail.com>
278 * tree.c (cp_build_qualified_type_real): Exclude typedef from
281 2021-10-01 Jakub Jelinek <jakub@redhat.com>
282 Richard Biener <rguenther@suse.de>
285 * typeck.c (cp_build_binary_op): Call ubsan_instrument_division
286 for division even for SANITIZE_SI_OVERFLOW.
288 2021-10-01 Jakub Jelinek <jakub@redhat.com>
290 * parser.c (cp_parser_omp_clause_order): Set
291 OMP_CLAUSE_ORDER_REPRODUCIBLE for explicit reproducible: modifier.
293 2021-10-01 Jakub Jelinek <jakub@redhat.com>
296 * name-lookup.c (push_local_extern_decl_alias): Return early even for
297 tls vars with non-dependent type when processing_template_decl. For
298 CP_DECL_THREAD_LOCAL_P vars call set_decl_tls_model on alias.
300 2021-09-30 Patrick Palka <ppalka@redhat.com>
303 * method.c (is_xible_helper): Don't exit early for multi-arg
306 2021-09-30 Patrick Palka <ppalka@redhat.com>
308 * parser.c (cp_parser_trait_expr): Call nreverse on the reversed
309 list of trailing arguments.
311 2021-09-30 Patrick Palka <ppalka@redhat.com>
314 * method.c (build_comparison_op): Skip DECL_VIRTUAL_P fields.
316 2021-09-28 Patrick Palka <ppalka@redhat.com>
319 * pt.c (coerce_template_template_parms): Keep
320 processing_template_decl set around the call to unify as well.
322 2021-09-28 Iain Sandoe <iain@sandoe.co.uk>
325 * coroutines.cc (analyze_fn_parms): Clean up synthetic names for
326 unnamed function params.
327 (morph_fn_to_coro): Do not try to set a guard variable for param
328 DTORs in the ramp, unless we have exceptions active.
330 2021-09-27 Patrick Palka <ppalka@redhat.com>
333 * pt.c (rewrite_template_parm): Handle single-level tsubst_args.
334 Avoid a tree cycle when assigning the DECL_TEMPLATE_PARMS for a
336 (alias_ctad_tweaks): Set current_template_parms accordingly.
338 2021-09-23 Michel Morin <mimomorin@gmail.com>
340 * parser.c (cp_keyword_starts_decl_specifier_p): Do not
341 handle RID_ATTRIBUTE.
342 (cp_parser_constructor_declarator_p): Remove now-redundant
344 (cp_parser_lambda_declarator_opt): Likewise.
346 2021-09-23 Michel Morin <mimomorin@gmail.com>
349 * parser.c (cp_keyword_starts_decl_specifier_p): Handle more
350 decl-specifiers (typedef/inline/cv/explicit/virtual/friend).
352 2021-09-23 Patrick Palka <ppalka@redhat.com>
354 * ptree.c (cxx_print_decl): Dump the DECL_TEMPLATE_RESULT of
355 a TEMPLATE_DECL. Dump the DECL_TEMPLATE_INFO rather than just
356 printing its pointer value.
358 2021-09-23 Jakub Jelinek <jakub@redhat.com>
361 * parser.c (cp_parser_omp_directive_args): Diagnose if omp::directive
362 is not followed by a balanced token sequence starting with open paren.
364 2021-09-22 Patrick Palka <ppalka@redhat.com>
368 * constexpr.c (cxx_eval_constant_expression)
369 <case TEMPLATE_ID_EXPR>: Check value_dependent_expression_p
370 instead of processing_template_decl.
371 * pt.c (value_dependent_expression_p) <case TEMPLATE_ID_EXPR>:
372 Return true only if any_dependent_template_arguments_p.
373 (instantiation_dependent_r) <case CALL_EXPR>: Remove this case.
374 <case TEMPLATE_ID_EXPR>: Likewise.
376 2021-09-22 Jakub Jelinek <jakub@redhat.com>
378 * parser.c (cp_parser_omp_clause_allocate): Parse allocate clause
380 * semantics.c (finish_omp_clauses) <OMP_CLAUSE_ALLOCATE>: Perform
381 semantic analysis of OMP_CLAUSE_ALLOCATE_ALIGN.
382 * pt.c (tsubst_omp_clauses) <case OMP_CLAUSE_ALLOCATE>: Handle
383 also OMP_CLAUSE_ALLOCATE_ALIGN.
385 2021-09-22 Barrett Adair <barrettellisadair@gmail.com>
387 * pt.c (find_parm_usage_r): New walk_tree callback to find func
389 (any_template_arguments_need_structural_equality_p): New special
392 2021-09-21 wangpc <pc.wang@linux.alibaba.com>
394 * decl.c (start_decl_1): Move verify_type_context to ...
395 (cp_finish_decl): ... to here.
397 2021-09-18 Jakub Jelinek <jakub@redhat.com>
399 * parser.c (cp_parser_omp_clause_order): Parse unconstrained
400 and reproducible modifiers.
401 (OMP_DISTRIBUTE_CLAUSE_MASK): Add order clause.
403 2021-09-18 Jakub Jelinek <jakub@redhat.com>
405 * parser.c (cp_parser_omp_clause_default): Handle private and
406 firstprivate arguments, adjust diagnostics on unknown argument.
407 * cp-gimplify.c (cxx_omp_finish_clause): Handle OMP_CLAUSE_PRIVATE.
409 2021-09-18 Jason Merrill <jason@redhat.com>
411 * cp-tree.h (dependentish_scope_p): Declare.
412 * pt.c (dependentish_scope_p): New.
413 * parser.c (cp_parser_lookup_name): Return a TYPENAME_TYPE
414 for lookup of a type in a dependent object.
415 (cp_parser_template_id): Handle TYPENAME_TYPE.
416 (cp_parser_template_name): If we're looking for a type,
417 a name followed by < names a template.
419 2021-09-18 Jason Merrill <jason@redhat.com>
421 * cp-tree.h: Fix typo in LANG_FLAG list.
423 2021-09-17 Jakub Jelinek <jakub@redhat.com>
425 * cp-tree.h (finish_omp_atomic): Add r and weak arguments.
426 * parser.c (cp_parser_omp_atomic): Update function comment for
427 OpenMP 5.1 atomics, parse OpenMP 5.1 atomics and fail, compare and
429 * semantics.c (finish_omp_atomic): Add r and weak arguments, handle
430 them, handle COND_EXPRs.
431 * pt.c (tsubst_expr): Adjust for COND_EXPR forms that
432 finish_omp_atomic can now produce.
434 2021-09-16 Patrick Palka <ppalka@redhat.com>
437 * constraint.cc (get_normalized_constraints_from_decl): Always
438 look up constraints using the most general template.
439 * decl.c (grokdeclarator): Set constraints on a static data
441 * pt.c (determine_specialization): Check constraints on a
444 2021-09-16 Iain Sandoe <iain@sandoe.co.uk>
446 * coroutines.cc (await_statement_walker): Code cleanups.
448 2021-09-16 Jason Merrill <jason@redhat.com>
450 * constexpr.c (cxx_eval_outermost_constant_expr): Use
451 protected_set_expr_location.
453 2021-09-15 Patrick Palka <ppalka@redhat.com>
456 * call.c (build_user_type_conversion_1): Add tf_conv to complain.
457 (add_candidates): When in a SFINAE context, instead of adding a
458 candidate to bad_fns just mark it unviable.
460 2021-09-15 Jason Merrill <jason@redhat.com>
462 * cp-tree.h (parsing_function_declarator): Declare.
463 * name-lookup.c (set_decl_context_in_fn): Use it.
464 * parser.c (cp_parser_direct_declarator): Use it.
465 (parsing_function_declarator): New.
467 2021-09-15 Jakub Jelinek <jakub@redhat.com>
471 * typeck2.c (split_nonconstant_init_1): Don't throw away empty
472 initializers of flexible array members if they have non-zero type
475 2021-09-15 Patrick Palka <ppalka@redhat.com>
478 * decl.c (grok_special_member_properties): Set
479 TYPE_HAS_COPY_CTOR, TYPE_HAS_DEFAULT_CONSTRUCTOR
480 and TYPE_HAS_LIST_CTOR independently from each other.
482 2021-09-15 Jason Merrill <jason@redhat.com>
484 * decl.c (cxx_init_decl_processing): Only warn about odd
485 interference sizes if they were specified with --param.
487 2021-09-15 Jason Merrill <jason@redhat.com>
490 * cp-tree.h (enum cp_tree_index): Remove CPTI_TYPE_INFO_PTR_TYPE.
491 (type_info_ptr_type): Remove.
492 * rtti.c (init_rtti_processing): Don't predeclare std::type_info.
493 (typeid_ok_p): Check for null const_type_info_type_node.
494 (type_info_ptr_type, get_void_tinfo_ptr): New fns.
495 (get_tinfo_decl_dynamic, get_tinfo_ptr): Use them.
496 (ptr_initializer, ptm_initializer, get_pseudo_ti_init): Use them.
497 (get_tinfo_desc): Use const_ptr_type_node.
499 2021-09-15 Jason Merrill <jason@redhat.com>
501 * parser.c (cp_parser_template_name): Move object type.
502 (cp_parser_pre_parsed_nested_name_specifier): Likewise.
504 2021-09-15 Jason Merrill <jason@redhat.com>
506 * parser.c (cp_parser_unqualified_id): Only complain about ~A<T> in
509 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
511 * coroutines.cc (struct param_info): Add copy_var.
512 (build_actor_fn): Use simplified param references.
513 (register_param_uses): Likewise.
514 (rewrite_param_uses): Likewise.
515 (analyze_fn_parms): New function.
516 (coro_rewrite_function_body): Add proxies for the fn
517 parameters to the outer bind scope of the rewritten code.
518 (morph_fn_to_coro): Use simplified version of param ref.
520 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
522 * coroutines.cc (coro_resume_fn_id, coro_destroy_fn_id,
523 coro_promise_id, coro_frame_needs_free_id, coro_resume_index_id,
524 coro_self_handle_id, coro_actor_continue_id,
525 coro_frame_i_a_r_c_id): New.
526 (coro_init_identifiers): Initialize new name identifiers.
527 (coro_promise_type_found_p): Use pre-built identifiers.
528 (struct await_xform_data): Remove unused fields.
529 (transform_await_expr): Delete code that is now unused.
530 (build_actor_fn): Simplify interface, use pre-built identifiers and
531 remove transforms that are no longer needed.
532 (build_destroy_fn): Use revised field names.
533 (register_local_var_uses): Use pre-built identifiers.
534 (coro_rewrite_function_body): Simplify interface, use pre-built
535 identifiers. Generate proxy vars in the outer bind expr scope for the
536 implementation state that we wish to expose.
537 (morph_fn_to_coro): Adjust comments for new variable names, use pre-
538 built identifiers. Remove unused code to generate frame entries for
539 the implementation state. Adjust call for build_actor_fn.
541 2021-09-14 Patrick Palka <ppalka@redhat.com>
544 * constexpr.c (cxx_eval_call_expression): After evaluating a
545 subobject constructor call for an empty union member, produce a
546 side effect that makes sure the member gets activated.
548 2021-09-14 Jakub Jelinek <jakub@redhat.com>
551 * decl.c (layout_var_decl): For aggregates ending with a flexible
552 array member, add the size of the initializer for that member to
553 DECL_SIZE and DECL_SIZE_UNIT.
555 2021-09-14 Jakub Jelinek <jakub@redhat.com>
558 * method.c (is_xible_helper): Call complete_type on to.
560 2021-09-14 Jason Merrill <jason@redhat.com>
562 * decl.c (cxx_init_decl_processing): Don't warn if L1 cache line
563 size is smaller than maxalign.
565 2021-09-13 Jason Merrill <jason@redhat.com>
567 * constexpr.c (maybe_warn_about_constant_value):
568 Complain about std::hardware_destructive_interference_size.
569 (cxx_eval_constant_expression): Call it.
570 * decl.c (cxx_init_decl_processing): Check
571 --param *-interference-size values.
573 2021-09-13 Patrick Palka <ppalka@redhat.com>
576 * cp-tree.h (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): New accessor
578 * pt.c (has_extra_args_mechanism_p): New function.
579 (find_parameter_pack_data::found_extra_args_tree_p): New data
581 (find_parameter_packs_r): Set ppd->found_extra_args_tree_p
583 (make_pack_expansion): Set PACK_EXPANSION_FORCE_EXTRA_ARGS_P if
584 ppd.found_extra_args_tree_p.
585 (use_pack_expansion_extra_args_p): Return true if there were
586 unsubstituted packs and PACK_EXPANSION_FORCE_EXTRA_ARGS_P.
587 (tsubst_pack_expansion): Pass the pack expansion to
588 use_pack_expansion_extra_args_p.
590 2021-09-10 Jakub Jelinek <jakub@redhat.com>
592 * parser.c (cp_parser_omp_atomic): Allow acq_rel on atomic read/write
593 and acq_rel/acquire clauses on update.
594 * semantics.c (finish_omp_atomic): Adjust c_finish_omp_atomic caller.
596 2021-09-08 Richard Biener <rguenther@suse.de>
599 * cp-tree.h (ANON_AGGR_TYPE_FIELD): New define.
600 * decl.c (fixup_anonymous_aggr): Wipe RTTI info put in
601 place on invalid code.
602 * decl2.c (reset_type_linkage): Guard CLASSTYPE_TYPEINFO_VAR
604 * module.cc (trees_in::read_class_def): Likewise. Reconstruct
605 ANON_AGGR_TYPE_FIELD.
606 * semantics.c (finish_member_declaration): Populate
607 ANON_AGGR_TYPE_FIELD for anon aggregate typed members.
608 * typeck.c (lookup_anon_field): Remove DFS search and return
609 ANON_AGGR_TYPE_FIELD directly.
611 2021-09-07 Jakub Jelinek <jakub@redhat.com>
614 * constexpr.c (maybe_save_constexpr_fundef): Save body even for
615 constexpr deleting dtors.
616 (cxx_eval_call_expression): Don't use DECL_CLONED_FUNCTION for
619 2021-09-07 Marcel Vollweiler <marcel@codesourcery.com>
621 * parser.c (cp_parser_omp_flush): Parse 'seq_cst' clause on 'flush'
623 * semantics.c (finish_omp_flush): Handle MEMMODEL_SEQ_CST.
625 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
627 * coroutines.cc (register_local_var_uses): Do not mangle
628 frame entries for the outermost scope. Record the outer
629 scope as nesting depth 0.
631 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
633 * coroutines.cc (coro_build_artificial_var): New.
634 (build_actor_fn): Use var builder, rename vars to use
635 implementation namespace.
636 (coro_rewrite_function_body): Likewise.
637 (morph_fn_to_coro): Likewise.
639 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
641 * coroutines.cc (transform_local_var_uses): Record
642 frame offset expressions as DECL_VALUE_EXPRs instead of
645 2021-09-03 Patrick Palka <ppalka@redhat.com>
648 * call.c (build_this_conversion): New function, split out from
649 add_function_candidate.
650 (add_function_candidate): New parameter shortcut_bad_convs.
651 Document it. Use build_this_conversion. Stop at the first bad
652 argument conversion when shortcut_bad_convs is true.
653 (add_template_candidate_real): New parameter shortcut_bad_convs.
654 Use build_this_conversion to check the 'this' conversion before
655 attempting deduction. When the rejection reason code is
656 rr_bad_arg_conversion, pass -1 instead of 0 as the viable
657 parameter to add_candidate. Pass 'convs' to add_candidate.
658 (add_template_candidate): New parameter shortcut_bad_convs.
659 (add_template_conv_candidate): Pass false as shortcut_bad_convs
660 to add_template_candidate_real.
661 (add_candidates): Prefer to shortcut bad conversions during
662 overload resolution under the assumption that we'll eventually
663 see a strictly viable candidate. If this assumption turns out
664 to be false, re-process the non-strictly viable candidates
665 without shortcutting those bad conversions.
667 2021-09-03 Jason Merrill <jason@redhat.com>
669 * pt.c (limit_bad_template_recursion): Suppress -Wunused for decls
670 we decide not to instantiate.
672 2021-09-03 Jakub Jelinek <jakub@redhat.com>
675 * class.c (build_base_field): Use SET_DECL_FIELD_ABI_IGNORED
676 instead of writing to DECL_FIELD_ABI_IGNORED.
677 (layout_class_type): Likewise. In the place where zero-width
678 bitfields used to be removed, use
679 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD on those fields instead.
681 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
683 * call.c (build_over_call): Handle unavailable state in addition to
685 * class.c (type_build_ctor_call): Likewise.
686 (type_build_dtor_call): Likewise.
687 * cp-tree.h: Rename cp_warn_deprecated_use to
688 cp_handle_deprecated_or_unavailable.
689 * decl.c (duplicate_decls): Merge unavailability.
690 (grokdeclarator): Handle unavailability in addition to deprecation.
691 (type_is_unavailable): New.
692 (grokparms): Handle unavailability in addition to deprecation.
693 * decl.h (enum deprecated_states): Add
694 UNAVAILABLE_DEPRECATED_SUPPRESS.
695 * decl2.c (cplus_decl_attributes): Propagate unavailability to
697 (cp_warn_deprecated_use): Rename to ...
698 (cp_handle_deprecated_or_unavailable): ... this and amend to handle
699 the unavailable case. It remains a warning in the case of deprecation
700 but becomes an error in the case of unavailability.
701 (cp_warn_deprecated_use_scopes): Handle unavailability.
702 (mark_used): Likewise.
703 * parser.c (cp_parser_template_name): Likewise.
704 (cp_parser_template_argument): Likewise.
705 (cp_parser_parameter_declaration_list): Likewise.
706 * typeck.c (build_class_member_access_expr): Likewise.
707 (finish_class_member_access_expr): Likewise.
708 * typeck2.c (build_functional_cast_1): Likewise.
710 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
712 * coroutines.cc (build_actor_fn): Add begin/finish clauses
713 to the initial test in the actor function.
715 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
717 * coroutines.cc (await_statement_walker): Use build_stmt and
718 add_stmt instead of build1 and finish_expr_stmt.
720 2021-08-31 Jason Merrill <jason@redhat.com>
722 * coroutines.cc (flatten_await_stmt): Fix copyo.
723 * decl.c (reshape_init_class): Simplify.
724 * module.cc (module_state::read_language): Add null check.
725 * parser.c (build_range_temp): Avoid type_uses_auto.
726 (cp_parser_class_specifier_1): Add null check.
728 2021-08-31 Patrick Palka <ppalka@redhat.com>
731 * call.c (rejection_reason::call_varargs_p): Rename this
732 previously unused member to ...
733 (rejection_reason::least_p): ... this.
734 (arity_rejection): Add least_p parameter.
735 (add_template_candidate_real): When there are explicit
736 template arguments, check that the arity of the call agrees with
737 the arity of the function before attempting deduction.
738 (print_arity_information): Add least_p parameter.
739 (print_z_candidate): Adjust call to print_arity_information.
741 2021-08-31 Martin Sebor <msebor@redhat.com>
743 * parser.c (cp_parser_selection_statement): Use direct initialization
746 2021-08-31 Jason Merrill <jason@redhat.com>
748 * constexpr.c (explain_invalid_constexpr_fn): Use iloc_sentinel.
750 2021-08-31 Jason Merrill <jason@redhat.com>
753 * cp-tree.h (FNDECL_MANIFESTLY_CONST_EVALUATED): New.
754 * constexpr.c (cxx_eval_call_expression): Set it.
755 * pt.c (neglectable_inst_p): Check it.
757 2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
759 * parser.c (cp_parser_omp_clause_device): Parse device-modifiers 'device_num'
760 and 'ancestor' in 'target device' clauses.
761 * semantics.c (finish_omp_clauses): Error handling. Constant device ids must
762 evaluate to '1' if 'ancestor' is used.
764 2021-08-30 Jason Merrill <jason@redhat.com>
767 * cp-tree.h (struct lang_type): Add erroneous bit-field.
768 (CLASSTYPE_ERRONEOUS): New.
769 * pt.c (limit_bad_template_recursion): Check it.
770 (instantiate_class_template_1): Set it.
772 2021-08-30 Jason Merrill <jason@redhat.com>
774 * constexpr.c (cxx_eval_outermost_constant_expr): Copy
775 expr location to result.
777 2021-08-30 Jason Merrill <jason@redhat.com>
780 * cp-tree.h (cxx_constant_value_sfinae): Declare.
781 * constexpr.c (cxx_constant_value_sfinae): New.
782 * pt.c (fold_targs_r, maybe_fold_fn_template_args): New.
783 (tsubst_copy_and_build) [CALL_EXPR]: Call
784 maybe_fold_fn_template_args.
786 2021-08-30 Jason Merrill <jason@redhat.com>
788 * parser.c (cp_parser_simple_requirement): Warn about missing
791 2021-08-27 Jason Merrill <jason@redhat.com>
793 * typeck2.c (build_x_arrow): Do set TREE_TYPE when operand is
796 2021-08-25 Andrew Pinski <apinski@marvell.com>
799 * cp-objcp-common.c (cxx_block_may_fallthru): Handle
800 CLEANUP_STMT for the case which will be try/finally.
802 2021-08-25 Jakub Jelinek <jakub@redhat.com>
805 * init.c (build_value_init_noctor): Ignore unnamed zero-width
808 2021-08-23 Jakub Jelinek <jakub@redhat.com>
810 * parser.c (cp_parser_omp_clause_num_tasks,
811 cp_parser_omp_clause_grainsize): Parse the optional strict: modifier.
813 2021-08-20 Jakub Jelinek <jakub@redhat.com>
815 * parser.c (cp_parser_handle_statement_omp_attributes): Determine if
816 PRAGMA_OMP_ERROR directive is C_OMP_DIR_STANDALONE.
817 (cp_parser_omp_error): New function.
818 (cp_parser_pragma): Handle PRAGMA_OMP_ERROR.
820 2021-08-20 Jakub Jelinek <jakub@redhat.com>
822 * parser.c (cp_parser_omp_clause_depend_sink): Reject spurious
823 comma at the end of list. Don't parse closing paren here...
824 (cp_parser_omp_clause_depend): ... but here instead.
826 2021-08-19 Patrick Palka <ppalka@redhat.com>
829 * cp-tree.h (CONSTRUCTOR_IS_PAREN_INIT): Clarify comment.
831 2021-08-19 Jakub Jelinek <jakub@redhat.com>
833 * parser.c (cp_parser_omp_requires): Don't call cp_lexer_nth_token_is
834 and optionally consume token if current token is CPP_EOF,
835 CPP_PRAGMA_EOL or CPP_CLOSE_PAREN.
837 2021-08-19 Jakub Jelinek <jakub@redhat.com>
839 * parser.c (cp_parser_omp_nothing): Use cp_parser_require_pragma_eol
840 instead of cp_parser_skip_to_pragma_eol.
842 2021-08-18 Patrick Palka <ppalka@redhat.com>
846 * cp-tree.h (CONSTRUCTOR_BRACES_ELIDED_P): Define.
847 * decl.c (reshape_init_r): Set it.
848 * pt.c (collect_ctor_idx_types): Recurse into a sub-CONSTRUCTOR
849 iff CONSTRUCTOR_BRACES_ELIDED_P.
851 2021-08-18 Patrick Palka <ppalka@redhat.com>
854 * pt.c (convert_template_argument): Pass LOOKUP_IMPLICIT to
857 2021-08-18 Jakub Jelinek <jakub@redhat.com>
859 * parser.c (cp_parser_omp_nothing): New function.
860 (cp_parser_pragma): Handle PRAGMA_OMP_NOTHING.
862 2021-08-18 Jakub Jelinek <jakub@redhat.com>
864 * parser.c (cp_parser_omp_ordered): Return true instead of
865 false after emitting errors that the directive is not allowed in
867 (cp_parser_omp_target_update): Likewise.
868 (cp_parser_omp_cancellation_point): Change return type from void to
869 bool, return false if the directive should be ignored in pragma_stmt
871 (cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data):
872 Change return type from tree to bool, return false if the
873 directive should be ignored in pragma_stmt contexts.
874 (cp_parser_omp_target): Adjust callers of cp_parser_omp_target_*_data,
875 return their result directly.
876 (cp_parser_pragma): For PRAGMA_OMP_CANCELLATION_POINT return what
877 cp_parser_omp_cancellation_point returned. Return true instead of
878 false after emitting errors that the directive is not allowed in
881 2021-08-17 Jakub Jelinek <jakub@redhat.com>
884 * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_LAYOUT_COMPATIBLE.
885 (enum cp_built_in_function): Add CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
886 (fold_builtin_is_corresponding_member, next_common_initial_seqence,
887 layout_compatible_type_p): Declare.
888 * parser.c (cp_parser_primary_expression): Handle
889 RID_IS_LAYOUT_COMPATIBLE.
890 (cp_parser_trait_expr): Likewise.
891 * cp-objcp-common.c (names_builtin_p): Likewise.
892 * constraint.cc (diagnose_trait_expr): Handle
893 CPTK_IS_LAYOUT_COMPATIBLE.
894 * decl.c (cxx_init_decl_processing): Register
895 __builtin_is_corresponding_member builtin.
896 * constexpr.c (cxx_eval_builtin_function_call): Handle
897 CP_BUILT_IN_IS_CORRESPONDING_MEMBER builtin.
898 * semantics.c (is_corresponding_member_union,
899 is_corresponding_member_aggr, fold_builtin_is_corresponding_member):
901 (trait_expr_value): Handle CPTK_IS_LAYOUT_COMPATIBLE.
902 (finish_trait_expr): Likewise.
903 * typeck.c (next_common_initial_seqence, layout_compatible_type_p):
905 * cp-gimplify.c (cp_gimplify_expr): Fold
906 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
908 * tree.c (builtin_valid_in_constant_expr_p): Handle
909 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
910 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
911 CPTK_IS_LAYOUT_COMPATIBLE.
912 * class.c (remove_zero_width_bit_fields): Remove.
913 (layout_class_type): Don't call it.
915 2021-08-17 Jakub Jelinek <jakub@redhat.com>
917 * parser.c (OMP_SCOPE_CLAUSE_MASK): Define.
918 (cp_parser_omp_scope): New function.
919 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_SCOPE.
920 * pt.c (tsubst_expr): Handle OMP_SCOPE.
922 2021-08-12 Jakub Jelinek <jakub@redhat.com>
924 * parser.c (cp_parser_omp_clause_name): Parse filter clause name.
925 (cp_parser_omp_clause_filter): New function.
926 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER.
927 (OMP_MASKED_CLAUSE_MASK): Define.
928 (cp_parser_omp_masked): New function.
929 (cp_parser_omp_parallel): Handle parallel masked.
930 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_MASKED.
931 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_FILTER.
932 * pt.c (tsubst_omp_clauses): Likewise.
933 (tsubst_expr): Handle OMP_MASKED.
935 2021-08-12 Sergei Trofimovich <siarheit@google.com>
938 * pt.c (tsubst_copy_and_build): Use build_ptrmemfunc_access_expr
939 to construct ptrmemfunc expression instantiation.
941 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
943 * parser.c (cp_parser_omp_clause_proc_bind): Accept
944 'primary' as alias for 'master'.
946 2021-08-12 Jakub Jelinek <jakub@redhat.com>
948 * cp-tree.h (omp_declare_target_attr): New type.
949 (struct saved_scope): Change type of omp_declare_target_attribute
950 from int to vec<omp_declare_target_attr, va_gc> * and move it.
951 * parser.c (cp_parser_omp_declare_target): Instead of
952 incrementing scope_chain->omp_declare_target_attribute, push
953 a struct containing parser->lexer->in_omp_attribute_pragma to
955 (cp_parser_omp_end_declare_target): Instead of decrementing
956 scope_chain->omp_declare_target_attribute, pop a structure
957 from it. Diagnose mismatching declare target vs.
958 end declare target syntax.
959 * semantics.c (finish_translation_unit): Use vec_safe_length
960 and vec_safe_truncate on scope_chain->omp_declare_target_attributes.
961 * decl2.c (cplus_decl_attributes): Use vec_safe_length
962 on scope_chain->omp_declare_target_attributes.
964 2021-08-12 Jakub Jelinek <jakub@redhat.com>
966 * parser.c (cp_parser_lambda_body): Add temp overrides
967 for parser->{omp_declare_simd,oacc_routine,omp_attrs_forbidden_p}.
968 (cp_parser_statement): Restore parser->omp_attrs_forbidden_p for
969 cp_parser_declaration_statement.
970 (cp_parser_default_argument): Add temp override for
971 parser->omp_attrs_forbidden_p.
972 (cp_parser_late_parsing_omp_declare_simd): Diagnose declare simd
973 or declare variant in attribute syntax on a declaration immediately
974 following an OpenMP construct in pragma syntax.
976 2021-08-12 Jakub Jelinek <jakub@redhat.com>
979 * method.c (cat_tag_for): Return cc_last for !CLASS_TYPE_P
980 or for classes not in std namespace.
982 2021-08-12 Jakub Jelinek <jakub@redhat.com>
984 * name-lookup.c (finish_using_directive): Diagnose omp::directive
985 or omp::sequence attributes on using-directive.
987 2021-08-12 Jakub Jelinek <jakub@redhat.com>
989 * parser.c (cp_parser_block_declaration): Call
990 cp_parser_using_directive for C++11 attributes followed by
991 using namespace tokens.
992 (cp_parser_using_directive): Parse C++11 attributes at the start
993 of the directive rather than at the end, only parse GNU attributes
996 2021-08-12 Patrick Palka <ppalka@redhat.com>
999 * constexpr.c (cxx_eval_store_expression): Handle the lval=true
1000 case in the early exit code path for empty stores with mismatched
1003 2021-08-11 Patrick Palka <ppalka@redhat.com>
1007 * cp-tree.h (unevaluated_p): Return true for REQUIRES_EXPR.
1008 * decl.c (local_variable_p_walkfn): Don't walk into unevaluated
1010 * parser.c (cp_parser_primary_expression) <case CPP_NAME>: Never
1011 reject uses of local variables in unevaluated contexts.
1012 * tree.c (cp_walk_subtrees) <case REQUIRES_EXPR>: Increment
1013 cp_unevaluated_operand. Use cp_walk_tree directly instead of
1014 WALK_SUBTREE to avoid the goto. Use REQUIRES_EXPR_REQS instead
1015 of TREE_OPERAND directly.
1017 2021-08-11 Jakub Jelinek <jakub@redhat.com>
1020 * decl2.c (var_defined_without_dynamic_init): Return true for
1021 DECL_DECLARED_CONSTINIT_P with complete type and trivial destructor.
1023 2021-08-11 Patrick Palka <ppalka@redhat.com>
1026 * parser.c (maybe_adjust_declarator_for_dguide): New, split
1028 (cp_parser_init_declarator): ... here.
1029 (cp_parser_member_declaration): Use it.
1031 2021-08-11 Patrick Palka <ppalka@redhat.com>
1034 * parser.c (cp_parser_parameter_declaration_list): Don't call
1035 grokdeclarator if cp_parser_error_occurred.
1036 (cp_parser_parameter_declaration): Simulate an error if we see
1037 the beginning of a CTAD form, i.e. if we see an opening brace
1038 after the decl-specifier-seq and the type is a CTAD placeholder.
1040 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1042 * parser.c (cp_parser_member_declaration): Move odsd declaration
1043 before cp_parser_using_declaration call to avoid errors with
1046 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1048 * parser.h (struct cp_omp_declare_simd_data): Remove
1049 in_omp_attribute_pragma and clauses members, add loc and attribs.
1050 (struct cp_oacc_routine_data): Remove loc member, add clauses
1052 * parser.c (cp_finalize_omp_declare_simd): New function.
1053 (cp_parser_handle_statement_omp_attributes): Mention in
1054 function comment the function is used also for
1055 attribute-declaration.
1056 (cp_parser_handle_directive_omp_attributes): New function.
1057 (cp_parser_statement): Don't call
1058 cp_parser_handle_statement_omp_attributes if statement doesn't
1059 have attribute-specifier-seq at the beginning at all or if
1060 if those attributes don't appertain to the statement.
1061 (cp_parser_simple_declaration): Call
1062 cp_parser_handle_directive_omp_attributes and
1063 cp_finalize_omp_declare_simd.
1064 (cp_parser_explicit_instantiation): Likewise.
1065 (cp_parser_init_declarator): Initialize prefix_attributes
1066 only after parsing declarators.
1067 (cp_parser_direct_declarator): Call
1068 cp_parser_handle_directive_omp_attributes and
1069 cp_finalize_omp_declare_simd.
1070 (cp_parser_member_declaration): Likewise.
1071 (cp_parser_single_declaration): Likewise.
1072 (cp_parser_omp_declare_simd): Don't initialize
1073 data.in_omp_attribute_pragma, instead initialize
1074 data.attribs[0] and data.attribs[1].
1075 (cp_finish_omp_declare_variant): Remove
1076 in_omp_attribute_pragma argument, instead use
1077 parser->lexer->in_omp_attribute_pragma.
1078 (cp_parser_late_parsing_omp_declare_simd): Adjust
1079 cp_finish_omp_declare_variant caller. Handle attribute-syntax
1080 declare simd/variant.
1082 2021-08-06 Tamar Christina <tamar.christina@arm.com>
1084 * cp-objcp-common.h (cxx_simulate_enum_decl): Pass vec<> by pointer.
1085 * decl.c (cxx_simulate_enum_decl): Likewise.
1087 2021-08-04 Jakub Jelinek <jakub@redhat.com>
1090 * parser.c (cp_parser_default_argument): Temporarily override
1091 parser->omp_declare_simd and parser->oacc_routine to NULL.
1093 2021-08-02 Patrick Palka <ppalka@redhat.com>
1096 * logic.cc (formula::formula): Use emplace_back instead of
1098 (formula::branch): Insert a copy of m_current directly after
1099 m_current instead of at the end of the list.
1100 (formula::erase): Define.
1101 (decompose_formula): Remove.
1102 (decompose_antecedents): Remove.
1103 (decompose_consequents): Remove.
1104 (derive_proofs): Remove.
1105 (max_problem_size): Remove.
1106 (diagnose_constraint_size): Remove.
1107 (subsumes_constraints_nonnull): Rewrite directly in terms of
1108 decompose_clause and derive_proof, interleaving decomposition
1109 with implication checking. Remove limit on constraint complexity.
1110 Use formula::erase to free the current clause before moving on to
1113 2021-07-31 Jason Merrill <jason@redhat.com>
1116 * decl.c (fixup_anonymous_aggr): Clear TYPE_NEEDS_CONSTRUCTING
1119 2021-07-31 Jason Merrill <jason@redhat.com>
1121 * ptree.c (cxx_print_type) [TYPE_PACK_EXPANSION]: Also print
1122 PACK_EXPANSION_PATTERN.
1124 2021-07-31 Jakub Jelinek <jakub@redhat.com>
1126 * parser.c (cp_parser_declaration): Handle OpenMP directives
1127 in attribute-declaration.
1129 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1132 * cp-tree.h (enum cp_trait_kind): Add
1133 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1134 (enum cp_built_in_function): Add
1135 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.
1136 (fold_builtin_is_pointer_inverconvertible_with_class): Declare.
1137 * parser.c (cp_parser_primary_expression): Handle
1138 RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1139 (cp_parser_trait_expr): Likewise.
1140 * cp-objcp-common.c (names_builtin_p): Likewise.
1141 * constraint.cc (diagnose_trait_expr): Handle
1142 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1143 * decl.c (cxx_init_decl_processing): Register
1144 __builtin_is_pointer_interconvertible_with_class builtin.
1145 * constexpr.c (cxx_eval_builtin_function_call): Handle
1146 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS builtin.
1147 * semantics.c (pointer_interconvertible_base_of_p,
1148 first_nonstatic_data_member_p,
1149 fold_builtin_is_pointer_inverconvertible_with_class): New functions.
1150 (trait_expr_value): Handle CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1151 (finish_trait_expr): Likewise. Formatting fix.
1152 * cp-gimplify.c (cp_gimplify_expr): Fold
1153 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
1154 fndecl_built_in_p just once.
1155 (cp_fold): Likewise.
1156 * tree.c (builtin_valid_in_constant_expr_p): Handle
1157 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
1158 fndecl_built_in_p just once.
1159 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1160 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1162 2021-07-30 Jason Merrill <jason@redhat.com>
1164 * class.c (finish_struct_anon): Improve comment.
1165 * decl.c (fixup_anonymous_aggr): Reject anonymous struct
1168 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1170 * parser.c (cp_parser_statement): Rollback attributes not just
1171 when std_attrs is non-NULL, but whenever
1172 cp_parser_std_attribute_spec_seq parsed any tokens.
1174 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1177 * parser.c (cp_parser_skip_std_attribute_spec_seq): Add a forward
1179 (cp_parser_declaration): Parse empty-declaration and
1180 attribute-declaration.
1181 (cp_parser_toplevel_declaration): Don't parse empty-declaration here.
1183 2021-07-28 Martin Sebor <msebor@redhat.com>
1185 * init.c: Include new header.
1187 2021-07-27 Marek Polacek <polacek@redhat.com>
1191 * cp-gimplify.c (cp_fold): Remove {LE,LT,GE,GT_EXPR} from
1193 * typeck.c (cp_build_binary_op): Reject ordered comparison
1194 of two null pointers.
1196 2021-07-26 Jakub Jelinek <jakub@redhat.com>
1198 * parser.h (struct cp_lexer): Add orphan_p member.
1199 * parser.c (cp_parser_statement): Don't change in_omp_attribute_pragma
1200 upon restart from CPP_PRAGMA handling. Fix up condition when a lexer
1201 should be destroyed and adjust saved_tokens if it records tokens from
1202 the to be destroyed lexer.
1203 (cp_parser_omp_section_scan): New function.
1204 (cp_parser_omp_scan_loop_body): Use it. If
1205 parser->lexer->in_omp_attribute_pragma, allow optional comma
1207 (cp_parser_omp_sections_scope): Use cp_parser_omp_section_scan.
1209 2021-07-23 Jakub Jelinek <jakub@redhat.com>
1211 * parser.h (struct cp_parser): Add omp_attrs_forbidden_p member.
1212 * parser.c (cp_parser_handle_statement_omp_attributes): Diagnose
1213 mixing of attribute and pragma syntax directives when seeing
1214 omp::directive if parser->omp_attrs_forbidden_p or if attribute syntax
1215 directives are followed by OpenMP pragma.
1216 (cp_parser_statement): Clear parser->omp_attrs_forbidden_p after
1217 the cp_parser_handle_statement_omp_attributes call.
1218 (cp_parser_omp_structured_block): Add disallow_omp_attrs argument,
1219 if true, set parser->omp_attrs_forbidden_p.
1220 (cp_parser_omp_scan_loop_body, cp_parser_omp_sections_scope): Pass
1221 false as disallow_omp_attrs to cp_parser_omp_structured_block.
1222 (cp_parser_omp_parallel, cp_parser_omp_task): Set
1223 parser->omp_attrs_forbidden_p.
1225 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
1226 Joseph Myers <joseph@codesourcery.com>
1227 Cesar Philippidis <cesar@codesourcery.com>
1229 * parser.c (cp_parser_omp_clause_name): Handle 'nohost'.
1230 (cp_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'.
1231 (OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
1232 * pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
1233 * semantics.c (finish_omp_clauses): Likewise.
1235 2021-07-21 Jakub Jelinek <jakub@redhat.com>
1238 * semantics.c (finish_omp_reduction_clause): Also call
1239 complete_type_or_else and return true if it fails.
1241 2021-07-19 Iain Sandoe <iain@sandoe.co.uk>
1244 * coroutines.cc (struct coroutine_info): Add fields for
1245 actor and destroy function decls.
1247 (coro_get_ramp_function): New.
1248 (coro_get_actor_function): New.
1249 (coro_get_destroy_function): New.
1250 (act_des_fn): Set up mapping between ramp, actor and
1252 (morph_fn_to_coro): Adjust interface to the builder for
1253 helper function decls.
1254 * cp-tree.h (DECL_ACTOR_FN, DECL_DESTROY_FN, DECL_RAMP_FN,
1256 * mangle.c (write_encoding): Handle coroutine helpers.
1257 (write_unqualified_name): Handle lambda coroutine helpers.
1259 2021-07-16 Patrick Palka <ppalka@redhat.com>
1262 * pt.c (alias_ctad_tweaks): Clear cp_unevaluated_operand for
1263 substituting DECL_ARGUMENTS.
1265 2021-07-16 Patrick Palka <ppalka@redhat.com>
1269 * search.c (check_final_overrider): Compare TYPE_REF_IS_RVALUE
1270 when the return types are references.
1272 2021-07-16 Marek Polacek <polacek@redhat.com>
1274 * typeck2.c (check_narrowing): Don't suppress the pedantic error
1277 2021-07-15 Jakub Jelinek <jakub@redhat.com>
1280 * cp-gimplify.c (cp_fold): For comparisons with NULLPTR_TYPE
1281 operands, fold them right away to true or false.
1283 2021-07-15 Jason Merrill <jason@redhat.com>
1286 * cp-objcp-common.c (cp_common_init_ts): Mark types as types.
1287 (cp_tree_size): Remove redundant entries.
1289 2021-07-14 Patrick Palka <ppalka@redhat.com>
1292 * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): Remove.
1293 * pt.c (push_template_decl): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1295 (redeclare_class_template): Likewise.
1296 (forwarding_reference_p): Define.
1297 (maybe_adjust_types_for_deduction): Use it instead. Add 'tparms'
1299 (unify_one_argument): Pass tparms to
1300 maybe_adjust_types_for_deduction.
1301 (try_one_overload): Likewise.
1303 (rewrite_template_parm): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1306 2021-07-14 Jason Merrill <jason@redhat.com>
1308 * class.c (struct find_final_overrider_data): Use auto_vec.
1309 (find_final_overrider): Remove explicit release.
1310 * coroutines.cc (process_conditional): Use auto_vec.
1311 * cp-gimplify.c (struct cp_genericize_data): Use auto_vec.
1312 (cp_genericize_tree): Remove explicit release.
1313 * parser.c (cp_parser_objc_at_property_declaration): Use
1315 * semantics.c (omp_reduction_lookup): Use auto_vec.
1317 2021-07-14 Marek Polacek <polacek@redhat.com>
1320 * constexpr.c (cxx_eval_array_reference): Create a new .object
1321 and .ctor for the non-aggregate non-scalar case too when
1324 2021-07-12 Patrick Palka <ppalka@redhat.com>
1328 * decl.c (grokfndecl): Don't require that deduction guides are
1329 declared at namespace scope. Check that class-scope deduction
1330 guides have the same access as the member class template.
1331 (grokdeclarator): Pretend class-scope deduction guides are static.
1332 * search.c (lookup_member): Don't use a BASELINK for (class-scope)
1335 2021-07-10 Patrick Palka <ppalka@redhat.com>
1338 * init.c (build_aggr_init): Return error_mark_node if
1339 expand_aggr_init_1 returns false.
1340 (expand_default_init): Change return type to bool. Return false
1341 on error, true on success.
1342 (expand_aggr_init_1): Likewise.
1344 2021-07-09 Jason Merrill <jason@redhat.com>
1347 * decl.c (function_requirements_equivalent_p): Only compare
1348 trailing requirements on a specialization.
1350 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1352 * coroutines.cc (build_actor_fn): Move common code to
1354 (build_destroy_fn): Likewise.
1355 (act_des_fn): Build the void return here. Ensure that the
1356 source location matches the original function.
1358 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1361 (coro_rewrite_function_body): Connect the replacement
1362 function block to the block nest correctly.
1364 2021-07-09 Patrick Palka <ppalka@redhat.com>
1367 * constraint.cc (tsubst_requires_expr): Pass complain/in_decl to
1369 * cp-tree.h (add_extra_args): Add complain/in_decl parameters.
1370 * pt.c (build_extra_args): Make a copy of args.
1371 (add_extra_args): Add complain/in_decl parameters. Enable the
1372 code for handling the case where the extra arguments are
1374 (tsubst_pack_expansion): Pass complain/in_decl to
1376 (tsubst_template_args): Handle missing template arguments.
1377 (tsubst_expr) <case IF_STMT>: Pass complain/in_decl to
1380 2021-07-09 Patrick Palka <ppalka@redhat.com>
1383 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Just walk the
1386 2021-07-08 Martin Sebor <msebor@redhat.com>
1389 * module.cc (identifier): Suppress warning.
1390 (module_state::read_macro_maps): Remove warning suppression.
1391 (module_state::install_macros): Ditto.
1393 2021-07-08 Marek Polacek <polacek@redhat.com>
1396 * cp-tree.h (unevaluated_p): New.
1397 * except.c (check_noexcept_r): Use it. Don't walk into
1398 unevaluated operands.
1400 2021-07-08 Martin Sebor <msebor@redhat.com>
1403 * module.cc (module_state::read_macro_maps): Temporarily disable
1405 (module_state::install_macros): Same.
1407 2021-07-06 Martin Sebor <msebor@redhat.com>
1409 * error.c (cp_printer): Remove support for %G and %K.
1411 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1413 * parser.h (struct cp_lexer): Add in_omp_attribute_pragma member.
1414 (struct cp_omp_declare_simd_data): Likewise.
1415 * cp-tree.h (enum cp_tree_index): Add CPTI_OMP_IDENTIFIER.
1416 (omp_identifier): Define.
1417 * parser.c (cp_parser_skip_to_pragma_eol): Handle
1418 in_omp_attribute_pragma CPP_PRAGMA_EOL followed by CPP_EOF.
1419 (cp_parser_require_pragma_eol): Likewise.
1420 (struct cp_omp_attribute_data): New type.
1421 (cp_parser_handle_statement_omp_attributes): New function.
1422 (cp_parser_statement): Handle OpenMP directives in statement's
1423 attribute-specifier-seq.
1424 (cp_parser_omp_directive_args, cp_parser_omp_sequence_args): New
1426 (cp_parser_std_attribute): Handle omp::directive and omp::sequence
1428 (cp_parser_omp_all_clauses): If in_omp_attribute_pragma, allow
1429 a comma also before the first clause.
1430 (cp_parser_omp_allocate): Likewise.
1431 (cp_parser_omp_atomic): Likewise.
1432 (cp_parser_omp_depobj): Likewise.
1433 (cp_parser_omp_flush): Likewise.
1434 (cp_parser_omp_ordered): Likewise.
1435 (cp_parser_omp_declare_simd): Save in_omp_attribute_pragma
1436 into struct cp_omp_declare_simd_data.
1437 (cp_finish_omp_declare_variant): Add in_omp_attribute_pragma
1438 argument. If set, allow a comma also before match clause.
1439 (cp_parser_late_parsing_omp_declare_simd): If in_omp_attribute_pragma,
1440 allow a comma also before the first clause. Adjust
1441 cp_finish_omp_declare_variant caller.
1442 (cp_parser_omp_declare_target): If in_omp_attribute_pragma, allow
1443 a comma also before the first clause.
1444 (cp_parser_omp_declare_reduction_exprs): Likewise.
1445 (cp_parser_omp_requires): Likewise.
1446 * decl.c (initialize_predefined_identifiers): Initialize
1448 * decl2.c (cplus_decl_attributes): Reject omp::directive and
1449 omp::sequence attributes.
1451 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1454 * parser.c (cp_parser_omp_atomic): Consume comma only if it
1455 appears before a CPP_NAME.
1457 2021-07-02 Patrick Palka <ppalka@redhat.com>
1460 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Rewrite to
1461 use common_enclosing_class and to not depend on the TREE_TYPE
1462 of outer levels pointing to the corresponding primary template.
1464 2021-07-01 Patrick Palka <ppalka@redhat.com>
1467 * constexpr.c (cxx_eval_array_reference): When the element type
1468 is an empty type and the corresponding element is omitted, just
1469 return an empty CONSTRUCTOR instead of attempting value
1472 2021-07-01 Patrick Palka <ppalka@redhat.com>
1475 * pt.c (finish_template_variable): Pass the partially
1476 instantiated template and its args to instantiate_template.
1477 (instantiate_class_template_1): No need to call
1478 push_nested_class and pop_nested_class around the call to
1479 most_specialized_partial_spec.
1480 (instantiate_template_1): Pass the partially instantiated
1481 template to lookup_template_variable.
1482 (most_specialized_partial_spec): Use push_access_scope_guard
1483 to set the access scope appropriately. Use
1484 deferring_access_check_sentinel to force access to get checked
1486 (instantiate_decl): Just pass the VAR_DECL to
1487 most_specialized_partial_spec.
1489 2021-06-30 Patrick Palka <ppalka@redhat.com>
1491 * constraint.cc (get_normalized_constraints_from_decl): Use
1492 push_access_scope_guard instead of push_nested_class_guard.
1493 * cp-tree.h (struct push_nested_class_guard): Replace with ...
1494 (struct push_access_scope_guard): ... this.
1495 * pt.c (push_access_scope): When the argument corresponds to
1496 a class type, push the class instead of its context.
1497 (pop_access_scope): Adjust accordingly.
1499 2021-06-30 Marek Polacek <polacek@redhat.com>
1503 * decl.c (create_array_type_for_decl): Allow array of auto.
1505 2021-06-29 Jason Merrill <jason@redhat.com>
1507 * pt.c (instantiate_decl): Only consider partial specializations of
1508 actual variable templates.
1510 2021-06-26 Patrick Palka <ppalka@redhat.com>
1513 * pt.c (instantiate_class_template_1): Enter the scope of the
1514 type when calling most_specialized_partial_spec.
1516 2021-06-26 Jason Merrill <jason@redhat.com>
1520 * class.c (is_empty_field): Handle null argument.
1521 * constexpr.c (cxx_eval_bare_aggregate): Discard initializer
1524 2021-06-26 Marek Polacek <polacek@redhat.com>
1527 * parser.c (cp_parser_declarator): Pass flags down to
1528 cp_parser_declarator. Also pass static_p/member_p.
1530 2021-06-25 Martin Sebor <msebor@redhat.com>
1532 * call.c (build_over_call): Replace direct uses of TREE_NO_WARNING
1533 with warning_suppressed_p, suppress_warning, and copy_no_warning, or
1534 nothing if not necessary.
1535 (set_up_extended_ref_temp): Same.
1536 * class.c (layout_class_type): Same.
1537 * constraint.cc (constraint_satisfaction_value): Same.
1538 * coroutines.cc (finish_co_await_expr): Same.
1539 (finish_co_yield_expr): Same.
1540 (finish_co_return_stmt): Same.
1541 (build_actor_fn): Same.
1542 (coro_rewrite_function_body): Same.
1543 (morph_fn_to_coro): Same.
1544 * cp-gimplify.c (genericize_eh_spec_block): Same.
1545 (gimplify_expr_stmt): Same.
1546 (cp_genericize_r): Same.
1548 * cp-ubsan.c (cp_ubsan_instrument_vptr): Same.
1549 * cvt.c (cp_fold_convert): Same.
1550 (convert_to_void): Same.
1551 * decl.c (wrapup_namespace_globals): Same.
1552 (grokdeclarator): Same.
1553 (finish_function): Same.
1554 (require_deduced_type): Same.
1555 * decl2.c (no_linkage_error): Same.
1556 (c_parse_final_cleanups): Same.
1557 * except.c (expand_end_catch_block): Same.
1558 * init.c (build_new_1): Same.
1560 (build_vec_delete_1): Same.
1561 (build_vec_init): Same.
1562 (build_delete): Same.
1563 * method.c (defaultable_fn_check): Same.
1564 * parser.c (cp_parser_fold_expression): Same.
1565 (cp_parser_primary_expression): Same.
1566 * pt.c (push_tinst_level_loc): Same.
1567 (tsubst_copy): Same.
1568 (tsubst_omp_udr): Same.
1569 (tsubst_copy_and_build): Same.
1570 * rtti.c (build_if_nonnull): Same.
1571 * semantics.c (maybe_convert_cond): Same.
1572 (finish_return_stmt): Same.
1573 (finish_parenthesized_expr): Same.
1574 (cp_check_omp_declare_reduction): Same.
1575 * tree.c (build_cplus_array_type): Same.
1576 * typeck.c (build_ptrmemfunc_access_expr): Same.
1577 (cp_build_indirect_ref_1): Same.
1578 (cp_build_function_call_vec): Same.
1579 (warn_for_null_address): Same.
1580 (cp_build_binary_op): Same.
1581 (unary_complex_lvalue): Same.
1582 (cp_build_modify_expr): Same.
1583 (build_x_modify_expr): Same.
1584 (convert_for_assignment): Same.
1586 2021-06-24 Patrick Palka <ppalka@redhat.com>
1589 * pt.c (maybe_aggr_guide): Handle alias templates appropriately.
1591 2021-06-24 Patrick Palka <ppalka@redhat.com>
1594 * constraint.cc (evaluate_requires_expr): Adjust function comment.
1595 * cp-gimplify.c (cp_genericize_r) <case REQUIRES_EXPR>: Move to ...
1596 (cp_fold) <case REQUIRES_EXPR>: ... here.
1598 2021-06-24 Jakub Jelinek <jakub@redhat.com>
1600 * parser.c (cp_omp_split_clauses): Pass C_ORT_OMP_TARGET instead of
1601 C_ORT_OMP for clauses on target construct.
1602 (OMP_TARGET_CLAUSE_MASK): Add in_reduction clause.
1603 (cp_parser_omp_target): For non-combined target add
1604 map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION. Pass
1605 C_ORT_OMP_TARGET to finish_omp_clauses.
1606 * semantics.c (handle_omp_array_sections_1): Adjust ort handling
1607 for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are
1608 never present on C_ORT_*DECLARE_SIMD.
1609 (handle_omp_array_sections): Likewise.
1610 (finish_omp_clauses): Likewise. Handle OMP_CLAUSE_IN_REDUCTION
1611 on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on
1612 corresponding map clauses.
1613 * pt.c (tsubst_expr): Pass C_ORT_OMP_TARGET instead of C_ORT_OMP for
1614 clauses on target construct.
1616 2021-06-23 Patrick Palka <ppalka@redhat.com>
1619 * pt.c (push_access_scope): For artificial deduction guides,
1620 set the access scope to that of the constructor.
1621 (pop_access_scope): Likewise.
1622 (build_deduction_guide): Don't set DECL_CONTEXT on the guide.
1624 2021-06-23 Patrick Palka <ppalka@redhat.com>
1627 * call.c (print_error_for_call_failure): Constify 'args' parameter.
1628 (perform_dguide_overload_resolution): Define.
1629 * cp-tree.h: (perform_dguide_overload_resolution): Declare.
1630 * pt.c (do_class_deduction): Use perform_dguide_overload_resolution
1631 instead of build_new_function_call. Don't use tf_decltype or
1632 set cp_unevaluated_operand. Remove unnecessary NULL_TREE tests.
1634 2021-06-21 Patrick Palka <ppalka@redhat.com>
1637 * typeck.c (check_return_expr): Call maybe_undo_parenthesized_ref
1638 sooner, before the NRVO handling.
1640 2021-06-21 Patrick Palka <ppalka@redhat.com>
1643 * tree.c (bot_replace): Use convert_to_base to build the
1644 conversion to the (morally) virtual base.
1646 2021-06-21 Jakub Jelinek <jakub@redhat.com>
1648 PR inline-asm/100785
1649 * typeck.c (cxx_mark_addressable): Diagnose trying to make
1650 bit-fields addressable.
1652 2021-06-17 Jason Merrill <jason@redhat.com>
1655 * decl.c (duplicate_decls): Make 'deleted after first declaration'
1656 pedwarn on by default.
1658 2021-06-17 Jason Merrill <jason@redhat.com>
1661 * init.c (build_vec_init): Preserve the type of base.
1663 2021-06-16 Jason Merrill <jason@redhat.com>
1667 * pt.c (tsubst_baselink): Update binfos in non-dependent case.
1669 2021-06-15 Robin Dapp <rdapp@linux.ibm.com>
1671 * decl.c (duplicate_decls): Likewise.
1673 2021-06-14 Tobias Burnus <tobias@codesourcery.com>
1676 * parser.c (cp_parser_omp_clause_affinity): No need to set iterator
1677 var in the error case.
1679 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
1681 * constexpr.c (cxx_eval_call_expression): Iterate over vec<>
1682 with range based for.
1683 (cxx_eval_store_expression): Likewise.
1684 (cxx_eval_loop_expr): Likewise.
1685 * decl.c (wrapup_namespace_globals): Likewise.
1686 (cp_finish_decl): Likewise.
1687 (cxx_simulate_enum_decl): Likewise.
1688 * parser.c (cp_parser_postfix_expression): Likewise.
1690 2021-06-12 Jason Merrill <jason@redhat.com>
1693 * init.c (build_vec_init): Shortcut [0] case.
1695 2021-06-12 Jason Merrill <jason@redhat.com>
1697 * pt.c (lookup_template_class_1): Shortcut current_class_type.
1699 2021-06-11 Patrick Palka <ppalka@redhat.com>
1703 * pt.c (tsubst_arg_types): Rearrange so that we substitute into
1704 TYPE_ARG_TYPES in forward order while short circuiting
1705 appropriately. Adjust formatting.
1707 2021-06-11 Jakub Jelinek <jakub@redhat.com>
1710 * cp-tree.h (struct saved_scope): Add consteval_if_p
1711 member. Formatting fix for the discarded_stmt comment.
1712 (in_consteval_if_p, IF_STMT_CONSTEVAL_P): Define.
1713 * parser.c (cp_parser_lambda_expression): Temporarily disable
1714 in_consteval_if_p when parsing lambda body.
1715 (cp_parser_selection_statement): Parse consteval if.
1716 * decl.c (struct named_label_entry): Add in_consteval_if member.
1717 (level_for_consteval_if): New function.
1718 (poplevel_named_label_1, check_previous_goto_1, check_goto): Handle
1720 * constexpr.c (cxx_eval_builtin_function_call): Clarify in comment
1721 why CP_BUILT_IN_IS_CONSTANT_EVALUATED needs to *non_constant_p
1722 for !ctx->manifestly_const_eval.
1723 (cxx_eval_conditional_expression): For IF_STMT_CONSTEVAL_P evaluate
1724 condition as if it was __builtin_is_constant_evaluated call.
1725 (potential_constant_expression_1): For IF_STMT_CONSTEVAL_P always
1726 recurse on both branches.
1727 * cp-gimplify.c (genericize_if_stmt): Genericize IF_STMT_CONSTEVAL_P
1729 * pt.c (tsubst_expr) <case IF_STMT>: Copy IF_STMT_CONSTEVAL_P.
1730 Temporarily set in_consteval_if_p when recursing on
1731 IF_STMT_CONSTEVAL_P then branch.
1732 (tsubst_lambda_expr): Temporarily disable
1733 in_consteval_if_p when instantiating lambda body.
1734 * call.c (immediate_invocation_p): Return false when
1737 2021-06-11 Marek Polacek <polacek@redhat.com>
1740 * constexpr.c (maybe_constexpr_fn): New.
1741 * cp-tree.h (maybe_constexpr_fn): Declare.
1742 * semantics.c (find_std_constant_evaluated_r): New.
1743 (maybe_warn_for_constant_evaluated): New.
1744 (finish_if_stmt_cond): Call it.
1746 2021-06-10 Patrick Palka <ppalka@redhat.com>
1749 * pt.c (unify) <case BOUND_TEMPLATE_TEMPLATE_PARM>: When
1750 the TEMPLATE_DECL of a BOUND_TEMPLATE_TEMPLATE_PARM argument is
1751 a template template parameter, adjust to the
1752 TEMPLATE_TEMPLATE_PARAMETER before falling through.
1754 2021-06-10 Patrick Palka <ppalka@redhat.com>
1757 * constraint.cc (normalize_placeholder_type_constraints): When
1758 normalizing a non-templated return-type-requirement, add a dummy
1759 level to initial_parms.
1761 2021-06-08 Marek Polacek <polacek@redhat.com>
1764 * decl.c (grokdeclarator): Store a value-dependent
1765 explicit-specifier even for deduction guides.
1767 2021-06-08 Jason Merrill <jason@redhat.com>
1769 * parser.c (cp_parser_string_literal): Adjust diagnostic.
1771 2021-06-08 Jason Merrill <jason@redhat.com>
1774 * call.c (perfect_conversion_p): Check check_narrowing.
1776 2021-06-08 Jason Merrill <jason@redhat.com>
1779 * name-lookup.c (get_class_binding): Keep a BASELINK.
1780 (set_inherited_value_binding_p): Adjust.
1781 * lambda.c (is_lambda_ignored_entity): Adjust.
1782 * pt.c (lookup_template_function): Copy a BASELINK before
1785 2021-06-08 Jason Merrill <jason@redhat.com>
1788 * semantics.c (baselink_for_fns): Fix BASELINK_BINFO.
1790 2021-06-08 Jason Merrill <jason@redhat.com>
1792 * module.cc (duplicate_hash::hash): Comment out.
1793 (trees_in::tree_value): Adjust loop counter.
1795 2021-06-08 Jason Merrill <jason@redhat.com>
1798 * init.c (build_offset_ref): Return the BASELINK for a static
1801 2021-06-07 Patrick Palka <ppalka@redhat.com>
1804 * parser.c (cp_parser_lookup_name): Check access of the lookup
1805 result before we potentially adjust an injected-class-name to
1808 2021-06-06 Jakub Jelinek <jakub@redhat.com>
1811 * parser.c (cp_parser_omp_target): Call c_omp_adjust_map_clauses
1812 even when target is combined with other constructs.
1814 2021-06-04 Patrick Palka <ppalka@redhat.com>
1817 * pt.c (convert_template_argument): Strip top-level cv-quals
1818 on the substituted type of a non-type template parameter.
1820 2021-06-04 Patrick Palka <ppalka@redhat.com>
1823 * pt.c (tsubst_function_decl): Remove old code for reducing
1824 args when it has excess levels.
1826 2021-06-04 Jakub Jelinek <jakub@redhat.com>
1829 * name-lookup.c (maybe_save_operator_binding): Add op_attr after all
1830 ATTR_IS_DEPENDENT attributes in the DECL_ATTRIBUTES list rather than
1833 2021-06-03 Patrick Palka <ppalka@redhat.com>
1836 * decl.c (make_typename_type): After calling
1837 lookup_template_class, adjust the result to its TYPE_NAME and
1838 then consider the tf_keep_type_decl flag.
1840 2021-06-03 Patrick Palka <ppalka@redhat.com>
1843 * pt.c (set_current_access_from_decl): Move to ...
1844 * class.c (set_current_access_from_decl): ... here.
1845 (handle_using_decl): Use it to propagate the access of the
1846 using-enum decl to the copy of the imported enumerator.
1847 * cp-tree.h (set_current_access_from_decl): Declare.
1848 * decl.c (build_enumerator): Simplify using make_temp_override
1849 and set_current_access_from_decl.
1851 2021-06-03 Jakub Jelinek <jakub@redhat.com>
1854 * semantics.c (handle_omp_array_sections_1): For
1855 OMP_CLAUSE_{AFFINITY,DEPEND} handle FIELD_DECL base using
1856 finish_non_static_data_member and allow this as base.
1857 (finish_omp_clauses): Move OMP_CLAUSE_AFFINITY
1858 after depend only cases. Let this be diagnosed by !lvalue_p
1859 case for OMP_CLAUSE_{AFFINITY,DEPEND} and remove useless
1861 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_AFFINITY.
1863 2021-06-02 Jason Merrill <jason@redhat.com>
1866 * call.c (convert_like_internal): Clear tf_no_cleanup when
1868 (build_user_type_conversion_1): Only add ck_rvalue if
1869 LOOKUP_ONLYCONVERTING.
1871 2021-06-01 Patrick Palka <ppalka@redhat.com>
1874 * init.c (expand_aggr_init_1): Check
1875 type_has_non_user_provided_default_constructor instead of
1876 type_has_user_provided_constructor.
1878 2021-06-01 Jason Merrill <jason@redhat.com>
1881 * call.c (build_op_delete_call): Don't set CALL_FROM_NEW_OR_DELETE_P
1882 for destroying delete.
1883 * init.c (build_delete): Don't clobber before destroying delete.
1885 2021-06-01 Jason Merrill <jason@redhat.com>
1888 * decl2.c (cp_warn_deprecated_use): Check warning_enabled_at.
1890 2021-05-31 Richard Biener <rguenther@suse.de>
1893 * cp-objcp-common.c (names_builtin_p): Handle
1894 RID_BUILTIN_SHUFFLEVECTOR.
1895 * cp-tree.h (build_x_shufflevector): Declare.
1896 * parser.c (cp_parser_postfix_expression): Handle
1897 RID_BUILTIN_SHUFFLEVECTOR.
1898 * pt.c (tsubst_copy_and_build): Handle IFN_SHUFFLEVECTOR.
1899 * typeck.c (build_x_shufflevector): Build either a lowered
1900 VEC_PERM_EXPR or an unlowered shufflevector via a temporary
1901 internal function IFN_SHUFFLEVECTOR.
1903 2021-05-28 Jason Merrill <jason@redhat.com>
1905 * constexpr.c (build_data_member_initialization): Use tsi_range.
1906 (build_constexpr_constructor_member_initializers): Likewise.
1907 (constexpr_fn_retval, cxx_eval_statement_list): Likewise.
1908 (potential_constant_expression_1): Likewise.
1909 * coroutines.cc (await_statement_expander): Likewise.
1910 (await_statement_walker): Likewise.
1911 * module.cc (trees_out::core_vals): Likewise.
1912 * pt.c (tsubst_expr): Likewise.
1913 * semantics.c (set_cleanup_locs): Likewise.
1915 2021-05-28 Jason Merrill <jason@redhat.com>
1919 * call.c (build_over_call): Adjust base_binfo in
1920 resolves_to_fixed_type_p case.
1922 2021-05-28 Jakub Jelinek <jakub@redhat.com>
1925 * semantics.c (handle_omp_array_sections): Copy
1926 OMP_CLAUSE_MAP_IMPLICIT.
1927 (finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
1928 marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT. Add
1929 map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER
1930 maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is
1931 present too. For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause
1932 if present in map_head, map_field_head or map_firstprivate_head
1935 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
1937 * parser.c (cp_parser_omp_clause_affinity): New.
1938 (cp_parser_omp_clause_name, cp_parser_omp_var_list_no_open,
1939 cp_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity
1941 * semantics.c (handle_omp_array_sections_1, handle_omp_array_sections,
1942 finish_omp_clauses): Likewise.
1944 2021-05-27 Matthias Kretz <kretz@kde.org>
1947 * error.c (dump_template_bindings): Include code to print
1948 "[with" and ']', conditional on whether anything is printed at
1949 all. This is tied to whether a semicolon is needed to separate
1950 multiple template parameters. If the template argument repeats
1951 the template parameter (T = T), then skip the parameter.
1952 (dump_substitution): Moved code to print "[with" and ']' to
1953 dump_template_bindings.
1954 (dump_function_decl): Partial revert of PR50828, which masked
1955 TFF_TEMPLATE_NAME for all of dump_function_decl. Now
1956 TFF_TEMPLATE_NAME is masked for the scope of the function and
1957 only carries through to dump_function_name.
1958 (dump_function_name): Avoid calling dump_template_parms if
1959 TFF_TEMPLATE_NAME is set.
1961 2021-05-27 Matthias Kretz <kretz@kde.org>
1964 * error.c: Call dump_scope when printing a typedef.
1966 2021-05-27 Patrick Palka <ppalka@redhat.com>
1969 * tree.c (cp_walk_subtrees) <case STATIC_ASSERT>: New case.
1971 2021-05-27 Jason Merrill <jason@redhat.com>
1974 * pt.c (use_pack_expansion_extra_args_p): Don't compare
1975 args from the same argument pack.
1977 2021-05-27 Patrick Palka <ppalka@redhat.com>
1982 * pt.c (process_partial_specialization): Don't error on a
1983 non-simple non-type template argument that involves template
1985 (for_each_template_parm_r): Don't walk TRAIT_EXPR, PLUS_EXPR,
1986 MULT_EXPR, or SCOPE_REF when include_nondeduced_p is false.
1988 2021-05-26 Patrick Palka <ppalka@redhat.com>
1991 * typeck.c (finish_class_member_access_expr): Disable ahead
1992 of time access checking during the member lookup.
1994 2021-05-26 Patrick Palka <ppalka@redhat.com>
1997 * tree.c (build_target_expr_with_type): Don't call force_rvalue
1998 on CALL_EXPR initializer. Simplify now that bot_manip is no
2000 (bot_manip): Use force_target_expr instead of
2001 build_target_expr_with_type.
2003 2021-05-26 Patrick Palka <ppalka@redhat.com>
2006 * cvt.c (noexcept_conv_p): Remove redundant checks and simplify.
2007 (fnptr_conv_p): Don't call non_reference. Use INDIRECT_TYPE_P
2008 instead of TYPE_PTR_P.
2009 * pt.c (convert_nontype_argument_function): Look through
2010 implicit INDIRECT_REFs before calling strip_fnptr_conv.
2012 2021-05-25 Jakub Jelinek <jakub@redhat.com>
2015 * call.c (convert_arg_to_ellipsis): For expressions with NULLPTR_TYPE
2016 and side-effects, temporarily disable -Wunused-result warning when
2017 building COMPOUND_EXPR.
2019 2021-05-21 Jakub Jelinek <jakub@redhat.com>
2022 * semantics.c (finish_omp_clauses): Move firstprivate clauses with
2023 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain. Don't error
2024 if a decl is mentioned both in map clause and in such firstprivate
2025 clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set.
2027 2021-05-20 Jason Merrill <jason@redhat.com>
2029 * call.c (reference_binding): Check for designator.
2030 (implicit_conversion_1, build_special_member_call): Likewise.
2031 * decl.c (reshape_init_r): Likewise.
2032 * pt.c (do_class_deduction): Likewise.
2033 * typeck2.c (digest_init_r): Likewise.
2035 2021-05-20 Jason Merrill <jason@redhat.com>
2038 * decl.c (reshape_init_class): Handle designator for
2039 member of anonymous aggregate here.
2040 * typeck2.c (process_init_constructor_record): Not here.
2042 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
2044 * call.c (maybe_warn_array_conv): Use new warning option.
2045 * decl.c (mark_inline_variable, grokdeclarator): Likewise.
2046 * error.c (maybe_warn_cpp0x): Likewise.
2047 * parser.c (cp_parser_primary_expression)
2048 (cp_parser_unqualified_id)
2049 (cp_parser_pseudo_destructor_name)
2050 (cp_parser_lambda_introducer)
2051 (cp_parser_lambda_declarator_opt)
2052 (cp_parser_selection_statement)
2053 (cp_parser_init_statement)
2054 (cp_parser_decomposition_declaration)
2055 (cp_parser_function_specifier_opt)
2056 (cp_parser_static_assert)
2057 (cp_parser_namespace_definition)
2058 (cp_parser_using_declaration)
2059 (cp_parser_asm_definition)
2060 (cp_parser_ctor_initializer_opt_and_function_body)
2061 (cp_parser_initializer_list)
2062 (cp_parser_type_parameter_key)
2063 (cp_parser_member_declaration)
2064 (cp_parser_try_block)
2065 (cp_parser_std_attribute_spec): Likewise.
2066 * pt.c (check_template_variable): Likewise.
2068 2021-05-20 Jason Merrill <jason@redhat.com>
2071 * pt.c (invalid_nontype_parm_type_p): Return true for COMPLEX_TYPE.
2073 2021-05-20 Jason Merrill <jason@redhat.com>
2076 * cp-tree.h (CONST_DECL_USING_P): Check for null TREE_TYPE.
2078 2021-05-19 Jason Merrill <jason@redhat.com>
2082 * method.c (genericize_spaceship): Use fold_build2 for scalar
2085 2021-05-19 Jason Merrill <jason@redhat.com>
2087 * pt.c (build_deduction_guide): Treat the implicit deduction guide
2088 as a member of the class.
2090 2021-05-19 Marek Polacek <polacek@redhat.com>
2093 * cp-tree.h (any_non_type_attribute_p): Remove.
2094 * decl.c (grokdeclarator): Turn an error into a warning and only
2095 warn for standard attributes.
2096 * decl2.c (any_non_type_attribute_p): Remove.
2097 * parser.c (cp_parser_elaborated_type_specifier): Turn an error
2098 into a warning and only warn for standard attributes.
2099 (cp_parser_member_declaration): Likewise.
2101 2021-05-19 Martin Liska <mliska@suse.cz>
2104 * mangle.c (write_encoding): Fix typos.
2106 2021-05-19 Jakub Jelinek <jakub@redhat.com>
2109 * parser.c (cp_parser_omp_master): Set OMP_MASTER_COMBINED on
2110 master when combined with taskloop.
2111 (cp_parser_omp_parallel): Don't set OMP_PARALLEL_COMBINED on
2112 parallel master when not combined with taskloop.
2114 2021-05-19 Jason Merrill <jason@redhat.com>
2117 * rtti.c (get_tinfo_decl_direct): Check TYPE_TRANSPARENT_AGGR.
2119 2021-05-19 Jason Merrill <jason@redhat.com>
2122 * tree.c (strip_typedefs): Only look at the pattern of a
2123 TYPE_PACK_EXPANSION if it's a type.
2125 2021-05-18 Marek Polacek <polacek@redhat.com>
2127 * class.c (classtype_has_non_deleted_copy_ctor): Remove.
2128 * constraint.cc (contains_wildcard_p): Likewise.
2129 (get_template_head_requirements): Likewise.
2130 (check_constrained_friend): Likewise.
2131 (subsumes_constraints): Likewise.
2132 * cp-tree.h (classtype_has_non_deleted_copy_ctor): Likewise.
2133 (push_void_library_fn): Likewise.
2134 (get_pattern_parm): Likewise.
2135 (get_template_parms_at_level): Likewise.
2136 (lambda_return_type): Likewise.
2137 (get_template_head_requirements): Likewise.
2138 (check_constrained_friend): Likewise.
2139 (subsumes_constraints): Likewise.
2140 * decl.c (push_void_library_fn): Likewise.
2141 * lambda.c (lambda_return_type): Likewise.
2142 * pt.c (get_template_parms_at_level): Likewise.
2143 (get_pattern_parm): Likewise.
2145 2021-05-18 Jason Merrill <jason@redhat.com>
2148 * call.c (perfect_candidate_p): An implicitly deleted move
2151 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
2154 * cvt.c (cp_convert_to_pointer): Use the size of the target
2156 * tree.c (cp_build_reference_type): Call
2157 cp_build_reference_type_for_mode with VOIDmode.
2158 (cp_build_reference_type_for_mode): Rename from
2159 cp_build_reference_type. Add MODE argument and invoke
2160 build_reference_type_for_mode.
2161 (strip_typedefs): Use build_pointer_type_for_mode and
2162 cp_build_reference_type_for_mode for pointers and references.
2164 2021-05-17 Jonathan Wakely <jwakely@redhat.com>
2167 * call.c (convert_like_internal): Print different diagnostic if
2168 the lvalue reference is const.
2170 2021-05-14 Jason Merrill <jason@redhat.com>
2173 * pt.c (enclosing_instantiation_of): Just compare
2174 DECL_SOURCE_LOCATION.
2175 (regenerate_decl_from_template): Copy DECL_SOURCE_LOCATION.
2177 2021-05-14 Marek Polacek <polacek@redhat.com>
2178 Jason Merrill <jason@redhat.com>
2181 * cp-tree.h (any_non_type_attribute_p): Declare.
2182 * decl.c (grokdeclarator): Diagnose when an attribute appertains to
2183 a friend declaration that is not a definition.
2184 * decl2.c (any_non_type_attribute_p): New.
2185 * parser.c (cp_parser_decl_specifier_seq): Diagnose standard attributes
2186 in the middle of decl-specifiers.
2187 (cp_parser_elaborated_type_specifier): Diagnose when an attribute
2188 appertains to a friend declaration that is not a definition.
2189 (cp_parser_member_declaration): Likewise.
2191 2021-05-12 Marek Polacek <polacek@redhat.com>
2193 * pt.c (tsubst_copy_and_build): Add warn_int_in_bool_context
2196 2021-05-12 Marcel Vollweiler <marcel@codesourcery.com>
2198 * parser.c (cp_parser_omp_clause_map): Support map-type-modifier
2201 2021-05-11 Jason Merrill <jason@redhat.com>
2204 * typeck.c (build_reinterpret_cast_1): Check intype on
2207 2021-05-11 Patrick Palka <ppalka@redhat.com>
2210 * name-lookup.c (maybe_save_operator_binding): Unconditionally
2211 enable for all function templates, not just generic lambdas.
2212 Handle compound-assignment operator expressions.
2213 * typeck.c (build_x_compound_expr): Call maybe_save_operator_binding
2214 in the type-dependent case.
2215 (build_x_modify_expr): Likewise. Move declaration of 'op' closer
2218 2021-05-11 Patrick Palka <ppalka@redhat.com>
2221 * constraint.cc (tsubst_constraint): Set up cp_unevaluated.
2222 (satisfy_atom): Set up iloc_sentinel before calling
2224 * pt.c (tsubst_pack_expansion): When returning a rebuilt pack
2225 expansion, carry over PACK_EXPANSION_LOCAL_P and
2226 PACK_EXPANSION_SIZEOF_P from the original pack expansion.
2228 2021-05-10 Richard Biener <rguenther@suse.de>
2230 PR middle-end/100464
2232 * call.c (set_up_extended_ref_temp): Mark the temporary
2233 addressable if the TARGET_EXPR was.
2235 2021-05-10 Martin Liska <mliska@suse.cz>
2237 * decl.c (duplicate_decls): Use startswith
2238 function instead of strncmp.
2239 (cxx_builtin_function): Likewise.
2240 (omp_declare_variant_finalize_one): Likewise.
2241 (grokfndecl): Likewise.
2242 * error.c (dump_decl_name): Likewise.
2243 * mangle.c (find_decomp_unqualified_name): Likewise.
2244 (write_guarded_var_name): Likewise.
2245 (decl_tls_wrapper_p): Likewise.
2246 * parser.c (cp_parser_simple_type_specifier): Likewise.
2247 (cp_parser_tx_qualifier_opt): Likewise.
2248 * pt.c (template_parm_object_p): Likewise.
2249 (dguide_name_p): Likewise.
2251 2021-05-10 Martin Liska <mliska@suse.cz>
2254 * decl.c (grokdeclarator): Remove redundant NULL check.
2256 2021-05-07 Jason Merrill <jason@redhat.com>
2258 * tree.c (rvalue): Assert expr is not a class lvalue.
2260 2021-05-07 Jason Merrill <jason@redhat.com>
2262 * cp-tree.h (build_stub_object): Declare.
2263 * method.c (build_stub_object): No longer static.
2264 * call.c (can_convert): Use it.
2265 * tree.c (build_dummy_object): Adjust comment.
2266 * typeck.c (cp_build_binary_op): Wrap SPACESHIP_EXPR in a
2269 2021-05-07 Jason Merrill <jason@redhat.com>
2271 * coroutines.cc (build_co_await): Don't call 'rvalue'.
2272 (flatten_await_stmt): Simplify initialization.
2273 (morph_fn_to_coro): Change 'rvalue' to 'move'. Simplify.
2275 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
2277 * semantics.c (finish_omp_reduction_clause): Accept float + complex
2278 for || and && reductions.
2280 2021-05-03 Patrick Palka <ppalka@redhat.com>
2283 * parser.c (cp_parser_class_head): Reinstate calls to pushclass
2284 and popclass when parsing the base-clause that were removed in
2287 2021-05-03 Patrick Palka <ppalka@redhat.com>
2291 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Set tf_conv
2292 only when the callee is a FUNCTION_DECL.
2294 2021-05-03 Marek Polacek <polacek@redhat.com>
2297 * decl.c (grokfndecl): Check current_template_parms.
2299 2021-05-03 Marek Polacek <polacek@redhat.com>
2302 * constexpr.c (cxx_eval_constant_expression): Don't check
2305 2021-05-01 Jason Merrill <jason@redhat.com>
2307 * cp-tree.h (class ovl_iterator): Allow copying. Add op==.
2308 (class ovl_range, class lkp_range): New.
2309 * call.c (build_op_call_1, add_candidates): Use them.
2310 (build_op_delete_call, has_trivial_copy_assign_p): Likewise.
2311 (has_trivial_copy_p): Likewise.
2312 * class.c (handle_using_decl, get_basefndecls): Likewise.
2313 (maybe_warn_about_overly_private_class): Likewise.
2314 (warn_hidden, add_implicitly_declared_members): Likewise.
2315 (check_methods, clone_constructors_and_destructors): Likewise.
2316 (type_has_user_nondefault_constructor): Likewise.
2318 2021-04-29 Jason Merrill <jason@redhat.com>
2320 * constexpr.c (cxx_fold_indirect_ref_1): Only set *empty_base if we
2323 2021-04-29 Jason Merrill <jason@redhat.com>
2326 * decl2.c (grokfield): Call cplus_decl_attributes for friend.
2327 (save_template_attributes): Use chainon.
2328 * friend.c (do_friend): Remove attrlist parm.
2329 * cp-tree.h (do_friend): Adjust.
2330 * class.c (add_implicitly_declared_members): Adjust.
2331 * decl.c (grokdeclarator): Adjust.
2332 * pt.c (apply_late_template_attributes): Optimize.
2334 2021-04-29 Jason Merrill <jason@redhat.com>
2337 * class.c (finish_struct_anon_r): Drop complain parm.
2338 Remove non-field diagnostic.
2339 (finish_struct_anon): Adjust.
2340 * decl.c (fixup_anonymous_aggr): Move non-field diagnostic here.
2342 2021-04-29 Jason Merrill <jason@redhat.com>
2344 * cp-tree.h (cp_evaluated): Add reset parm to constructor.
2345 * parser.c (cp_parser_constant_expression): Change
2346 allow_non_constant_p to int. Use cp_evaluated.
2347 (cp_parser_initializer_clause): Pass 2 to allow_non_constant_p.
2348 * semantics.c (finish_id_expression_1): Don't mess with
2349 cp_unevaluated_operand here.
2351 2021-04-29 Jason Merrill <jason@redhat.com>
2353 * cp-tree.h: Clarify comments.
2354 * pt.c (get_template_parm_object): Add assert.
2355 * semantics.c (finish_compound_literal): Clear TREE_HAS_CONSTRUCTOR.
2356 * tree.c (zero_init_expr_p): Check TREE_HAS_CONSTRUCTOR.
2357 * typeck2.c (store_init_value): Likewise.
2359 2021-04-29 Patrick Palka <ppalka@redhat.com>
2362 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: When KOENIG_P,
2363 set tf_conv during the initial substitution into the function.
2365 2021-04-29 Jakub Jelinek <jakub@redhat.com>
2368 * semantics.c (finish_omp_clauses): Fix up check that variable
2369 mentioned in detach clause doesn't appear in data-sharing clauses.
2371 2021-04-28 Jakub Jelinek <jakub@redhat.com>
2373 * module.cc: Remove #error that triggers if DEV-PHASE is empty.
2375 2021-04-27 Jason Merrill <jason@redhat.com>
2378 * class.c (classtype_has_depr_implicit_copy): Check DECL_CONTEXT
2381 2021-04-27 Patrick Palka <ppalka@redhat.com>
2384 * pt.c (tsubst_initializer_list): Correctly handle the case
2385 where an argument inside a base initializer pack expansion is
2386 itself a pack expansion.
2388 2021-04-26 Patrick Palka <ppalka@redhat.com>
2391 * constexpr.c (cxx_fold_indirect_ref): Try to canonicalize the
2392 object/offset pair for a POINTER_PLUS_EXPR of a COMPONENT_REF
2393 with a negative offset into one whose offset is nonnegative
2394 before calling cxx_fold_indirect_ref_1.
2396 2021-04-24 Patrick Palka <ppalka@redhat.com>
2403 * pt.c (do_class_deduction): Punt if the initializer is
2406 2021-04-24 Patrick Palka <ppalka@redhat.com>
2409 * parser.c (cp_parser_type_id_1): If we see a template
2410 placeholder, first try simulating an error before issuing
2413 2021-04-23 Patrick Palka <ppalka@redhat.com>
2416 * cxx-pretty-print.c (pp_cxx_parameter_declaration_clause):
2417 Adjust parameter list loop to iterate over 'types' instead of
2418 'args'. Output the trailing '...' for a variadic function.
2419 Remove PARM_DECL support.
2420 (pp_cxx_requires_expr): Pretty print the parameter list directly
2421 instead of going through pp_cxx_parameter_declaration_clause.
2423 2021-04-23 Patrick Palka <ppalka@redhat.com>
2426 * decl.c (is_direct_enum_init): Check the implicit
2427 convertibility requirement added by CWG 2374.
2429 2021-04-23 Martin Liska <mliska@suse.cz>
2431 * cp-tree.h (STATIC_ASSERT): Prefer static assert.
2432 * lex.c (init_operators): Remove run-time check.
2434 2021-04-22 Marek Polacek <polacek@redhat.com>
2437 * pt.c (tsubst_copy_and_build) <case PLUS_EXPR>: Test op0 and
2438 op1 separately for value- or type-dependence.
2440 2021-04-21 Marek Polacek <polacek@redhat.com>
2443 * parser.c (cp_parser_enum_specifier): Don't allow defining
2446 2021-04-21 Martin Liska <mliska@suse.cz>
2449 2021-04-21 Martin Liska <mliska@suse.cz>
2451 * error.c (dump_decl): Use flags in dump_generic_node call.
2453 2021-04-21 Martin Liska <mliska@suse.cz>
2455 * error.c (dump_decl): Use flags in dump_generic_node call.
2457 2021-04-21 Martin Liska <mliska@suse.cz>
2459 * error.c (dump_decl): Support anonymous labels.
2461 2021-04-20 Jason Merrill <jason@redhat.com>
2464 * pt.c (find_parameter_packs_r): Look into enum initializers.
2466 2021-04-19 Marek Polacek <polacek@redhat.com>
2469 * decl.c (grokvardecl): Given an error when a concept is not defined
2472 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2475 * constexpr.c (cxx_eval_store_expression): Don't add CONSTRUCTORs
2476 for empty classes into *valp when types don't match even when *valp
2479 2021-04-16 Marek Polacek <polacek@redhat.com>
2482 * decl.c (make_typename_type): Give an error and return when
2483 name is is_overloaded_fn.
2484 * parser.c (cp_parser_class_name): Don't check is_overloaded_fn
2485 before calling make_typename_type.
2487 2021-04-16 Patrick Palka <ppalka@redhat.com>
2490 * constexpr.c (reduced_constant_expression_p): For array
2491 CONSTRUCTORs, use a dedicated loop that additionally verifies
2492 the CONSTRUCTOR spans the entire array.
2494 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2497 * parser.c (cp_parser_constraint_requires_parens) <case CPP_DEREF>:
2498 If lambda_p, return pce_ok instead of pce_maybe_postfix.
2500 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2503 * pt.c (extract_locals_r): When handling DECL_EXPR of a structured
2504 binding, add to data.internal also all corresponding structured
2507 2021-04-16 Jason Merrill <jason@redhat.com>
2510 * cp-tree.h (first_field): Declare.
2511 * mangle.c (range_expr_nelts): New.
2512 (write_expression): Improve class NTTP mangling.
2513 * pt.c (get_template_parm_object): Clear TREE_HAS_CONSTRUCTOR.
2514 * tree.c (zero_init_expr_p): Improve class NTTP handling.
2515 * decl.c: Adjust comment.
2517 2021-04-15 Jason Merrill <jason@redhat.com>
2520 * call.c (build_new_method_call_1): Check again for side-effects
2521 with a volatile object.
2523 2021-04-15 Jason Merrill <jason@redhat.com>
2527 * pt.c (find_parameter_packs_r) [FUNCTION_TYPE]: Walk into
2528 TYPE_RAISES_EXCEPTIONS here.
2529 * tree.c (cp_walk_subtrees): Not here.
2531 2021-04-15 Jason Merrill <jason@redhat.com>
2535 * parser.c (cp_parser_default_type_template_argument): Set
2536 parser->local_variables_forbidden_p.
2538 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
2541 * typeck.c (merge_type_attributes_from): New function.
2542 (cp_common_type): Use it for vector types.
2544 2021-04-14 Jason Merrill <jason@redhat.com>
2548 * pt.c (uses_outer_template_parms): Also look at default
2551 2021-04-14 Jason Merrill <jason@redhat.com>
2554 * semantics.c (finish_id_expression_1): Clear cp_unevaluated_operand
2555 for a non-static data member in a constant-expression.
2557 2021-04-14 Patrick Palka <ppalka@redhat.com>
2561 * pt.c (deducible_expression): Look through implicit
2562 INDIRECT_REFs as well.
2564 2021-04-14 Jason Merrill <jason@redhat.com>
2567 * parser.c (cp_parser_lambda_expression): Reject lambda
2568 in template parameter type.
2570 2021-04-14 Jason Merrill <jason@redhat.com>
2573 * decl.c (duplicate_decls): Don't propagate
2574 DECL_INITIALIZED_IN_CLASS_P to a specialization.
2576 2021-04-14 Jason Merrill <jason@redhat.com>
2581 * semantics.c (set_cleanup_locs): New.
2582 (do_poplevel): Call it.
2583 * parser.c (cp_parser_compound_statement): Consume the }
2584 before finish_compound_stmt.
2586 2021-04-13 Jason Merrill <jason@redhat.com>
2589 * pt.c (get_underlying_template): Compare TYPE_QUALS.
2591 2021-04-13 Jason Merrill <jason@redhat.com>
2595 * init.c (get_nsdmi): Do more context adjustment for local classes.
2597 2021-04-13 Patrick Palka <ppalka@redhat.com>
2600 * pt.c (do_class_deduction): Reject alias CTAD in C++17 mode
2601 rather than issuing a pedwarn.
2602 * typeck2.c (build_functional_cast_1): Handle CTAD uniformly
2603 for consistent diagnostics.
2605 2021-04-13 Jason Merrill <jason@redhat.com>
2608 * class.c (build_base_path): Shortcut simple non-pointer case.
2610 2021-04-13 Eric Botcazou <ebotcazou@adacore.com>
2612 * module.cc (ordinary_loc_of): Test LINEMAPS_MACRO_LOWEST_LOCATION
2614 (module_state::write_location): Likewise.
2616 2021-04-13 Patrick Palka <ppalka@redhat.com>
2619 * pt.c (do_class_deduction): Look through EXPR_PACK_EXPANSION
2620 when checking if the initializer is an equivalent class
2621 placeholder template parameter.
2623 2021-04-13 Patrick Palka <ppalka@redhat.com>
2627 * constraint.cc (satisfy_normalized_constraints): Set
2629 * parser.c (cp_parser_concept_definition): Likewise.
2630 (cp_parser_requires_clause_opt): Likewise.
2632 2021-04-12 Jason Merrill <jason@redhat.com>
2635 * pt.c (uses_outer_template_parms): Handle non-type and template
2636 template parameters specifically.
2638 2021-04-11 Jason Merrill <jason@redhat.com>
2641 * decl.c (fixup_anonymous_aggr): Prune all functions from
2642 CLASSTYPE_MEMBER_VEC.
2644 2021-04-10 Jason Merrill <jason@redhat.com>
2648 * parser.c (cp_parser_direct_declarator): Don't
2649 inject_this_parameter if static_p.
2650 (cp_parser_omp_var_list_no_open): Parse 'this' even if
2651 current_class_ptr isn't set for a better diagnostic.
2653 2021-04-10 Jason Merrill <jason@redhat.com>
2660 * pt.c (alias_ctad_tweaks): Handle failure better.
2662 2021-04-10 Jason Merrill <jason@redhat.com>
2665 * pt.c (find_parameter_packs_r) [TAG_DEFN]: Look into bases.
2667 2021-04-09 Patrick Palka <ppalka@redhat.com>
2669 * cp-tree.h (LAMBDA_EXPR_REGENERATED_FROM)
2670 (LAMBDA_EXPR_REGENERATING_TARGS): Replace these with ...
2671 (LAMBDA_EXPR_REGEN_INFO): ... this.
2672 (tree_lambda_expr::regenerated_from)
2673 (tree_lambda_expr::regenerating_targs): Replace these with ...
2674 (tree_lambda_expr::regen_info): ... this.
2675 * constraint.cc (satisfy_declaration_constraints): Adjust
2677 * lambda.c (build_lambda_expr): Likewise.
2678 * pt.c (regenerated_lambda_fn_p): Likewise.
2679 (most_general_lambda): Likewise.
2680 (tsubst_lambda_expr): Likewise.
2682 2021-04-09 Marek Polacek <polacek@redhat.com>
2685 * parser.c (cp_parser_member_declaration): Call
2686 cp_parser_save_default_args even for function templates. Use
2687 STRIP_TEMPLATE on the declaration we're passing.
2689 2021-04-08 Patrick Palka <ppalka@redhat.com>
2692 * constraint.cc (get_normalized_constraints_from_decl): Handle
2693 regenerated lambdas.
2694 (satisfy_declaration_constraints): Likewise. Check for
2695 dependent args later.
2696 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): Replace with ...
2697 (LAMBDA_EXPR_REGENERATED_FROM): ... this.
2698 (LAMBDA_EXPR_REGENERATING_TARGS): New.
2699 (tree_lambda_expr::regenerated_from): New data member.
2700 (tree_lambda_expr::regenerating_targs): New data member.
2701 (add_to_template_args): Declare.
2702 (regenerated_lambda_fn_p): Likewise.
2703 (most_general_lambda): Likewise.
2704 * lambda.c (build_lambda_expr): Set LAMBDA_EXPR_REGENERATED_FROM
2705 and LAMBDA_EXPR_REGENERATING_TARGS.
2706 * pt.c (add_to_template_args): No longer static.
2707 (tsubst_function_decl): Unconditionally propagate constraints on
2708 the substituted function decl.
2709 (instantiated_lambda_fn_p): Rename to ...
2710 (regenerated_lambda_fn_p): ... this. Check
2711 LAMBDA_EXPR_REGENERATED_FROM instead of
2712 LAMBDA_EXPR_INSTANTIATED.
2713 (most_general_lambda): Define.
2714 (enclosing_instantiation_of): Adjust after renaming
2715 instantiated_lambda_fn_p.
2716 (tsubst_lambda_expr): Don't set LAMBDA_EXPR_INSTANTIATED. Set
2717 LAMBDA_EXPR_REGENERATED_FROM and LAMBDA_EXPR_REGENERATING_TARGS.
2718 Don't substitute or set constraints on the regenerated lambda.
2720 2021-04-08 Patrick Palka <ppalka@redhat.com>
2723 * pt.c (build_deduction_guide): Document OUTER_ARGS. Substitute
2724 them into the propagated constraints.
2726 2021-04-08 Jason Merrill <jason@redhat.com>
2729 * call.c (convert_like_internal): Improve reference diagnostic.
2731 2021-04-08 Jakub Jelinek <jakub@redhat.com>
2734 * constexpr.c (addr_of_non_const_var): New function.
2735 (cxx_bind_parameters_in_call): Set *non_constant_args to true
2736 even if cp_walk_tree on arg with addr_of_non_const_var callback
2739 2021-04-08 Jason Merrill <jason@redhat.com>
2742 * pt.c (determine_specialization): Improve diagnostic.
2744 2021-04-08 Marek Polacek <polacek@redhat.com>
2747 * decl.c (build_explicit_specifier): Call
2748 check_for_bare_parameter_packs.
2749 * except.c (build_noexcept_spec): Likewise.
2751 2021-04-07 Jason Merrill <jason@redhat.com>
2754 * parser.c (cp_parser_class_name): Check dependent_scope_p.
2756 2021-04-07 Jason Merrill <jason@redhat.com>
2759 * pt.c (maybe_process_partial_specialization): Check
2760 DECL_SELF_REFERENCE_P.
2762 2021-04-07 Jason Merrill <jason@redhat.com>
2765 * name-lookup.c (push_class_level_binding_1): Do overload a new
2766 function with a previous using-declaration.
2768 2021-04-06 Jason Merrill <jason@redhat.com>
2771 * init.c (get_nsdmi): Don't defer access checking.
2773 2021-04-06 Jason Merrill <jason@redhat.com>
2776 * decl.c (cp_finish_decl): mark_needed an implicitly inline
2777 static data member with an out-of-class redeclaration.
2779 2021-04-06 Jason Merrill <jason@redhat.com>
2782 * mangle.c (write_compact_number): Add sanity check.
2783 (write_local_name): Use list_length for parm number.
2785 2021-04-06 Patrick Palka <ppalka@redhat.com>
2788 * pt.c (do_auto_deduction): Don't exit early when deducing the
2789 array type of a structured binding. Also handle adc_decomp_type
2790 during constraint checking.
2792 2021-04-05 Jason Merrill <jason@redhat.com>
2795 * typeck.c (check_return_expr): Call mark_exp_read in dependent
2798 2021-04-05 Jason Merrill <jason@redhat.com>
2801 * typeck.c (build_reinterpret_cast_1): Don't perform
2802 temporary materialization.
2804 2021-04-05 Jason Merrill <jason@redhat.com>
2807 * pt.c (lookup_template_class_1): Do tsubst_enum when
2808 tsubsting a generic lambda.
2810 2021-04-05 Jason Merrill <jason@redhat.com>
2813 * pt.c (enclosing_instantiation_of): Compare DECL_SOURCE_LOCATION if
2814 there is no enclosing non-lambda function.
2816 2021-04-05 Nathan Sidwell <nathan@acm.org>
2819 * module.cc (name_pending_imports): Drop 'atend' parm. Don't
2820 query export when not needed.
2821 (preprocess_module, preprocessed_module): Adjust.
2823 2021-04-05 Jason Merrill <jason@redhat.com>
2826 * pt.c (mark_decl_instantiated): Set DECL_EXTERNAL.
2828 2021-04-05 Jason Merrill <jason@redhat.com>
2831 * pt.c (class el_data): Add visited field.
2832 (extract_local_specs): Pass it to cp_walk_tree.
2833 (extract_locals_r): Walk into the body of a lambda.
2835 2021-04-05 Jason Merrill <jason@redhat.com>
2837 * ptree.c (cxx_print_decl): Check DECL_MODULE_IMPORT_P on
2840 2021-04-04 Jason Merrill <jason@redhat.com>
2843 * typeck2.c (massage_init_elt): Don't strip TARGET_EXPR.
2845 2021-04-03 Marek Polacek <polacek@redhat.com>
2848 * parser.c: Create a GC root for attributes in a decl specifier.
2849 (cp_parser_type_specifier): Push/pop ->attributes onto/from it.
2851 2021-04-03 Jason Merrill <jason@redhat.com>
2854 * pt.c (tsubst_lambda_expr): Skip the body block from
2857 2021-04-03 Jason Merrill <jason@redhat.com>
2860 * cvt.c (can_convert_qual): Check fnptr_conv_p.
2862 2021-04-03 Jason Merrill <jason@redhat.com>
2865 * pt.c (regenerate_decl_from_template): tsubst_decl
2868 2021-04-02 Patrick Palka <ppalka@redhat.com>
2871 * parser.c (do_range_for_auto_deduction): Pass adc_variable_type
2872 to do_auto_deduction.
2874 2021-04-02 Patrick Palka <ppalka@redhat.com>
2877 * semantics.c (finish_compound_literal): Check
2878 template_placeholder_p instead of type_uses_auto.
2880 2021-04-02 Jason Merrill <jason@redhat.com>
2883 * cp-tree.h (PACK_EXPANSION_AUTO_P): New.
2884 * lambda.c (add_capture): Set it.
2885 * pt.c (tsubst_pack_expansion): Handle it.
2887 2021-04-02 Nathan Sidwell <nathan@acm.org>
2889 * cp-tree.h (lang_decl_base): Correct module flag comment.
2890 * module.cc (trees_in::assert_definition): Break out
2892 (trees_out::lang_decl_bools): Do not write purview for header units.
2894 2021-04-01 Marek Polacek <polacek@redhat.com>
2897 * method.c (defaulted_late_check): ++ and -- function_depth around
2898 the call to synthesize_method.
2899 * pt.c: Remove the saved_trees global.
2901 2021-04-01 Jason Merrill <jason@redhat.com>
2905 * tree.c (cp_walk_subtrees) [FUNCTION_TYPE]: Walk into
2906 TYPE_RAISES_EXCEPTIONS.
2908 2021-04-01 Iain Sandoe <iain@sandoe.co.uk>
2910 * mapper-client.cc (INCLUDE_MAP): New; require map to be
2911 included from system.h.
2912 * mapper-resolver.cc (INCLUDE_MAP): Likewise.
2914 2021-04-01 Jason Merrill <jason@redhat.com>
2917 * mangle.c (write_expression): Adjust.
2918 * class.c (find_abi_tags_r): Disable PR98481 fix for ABI v14.
2919 (mark_abi_tags_r): Likewise.
2921 2021-04-01 Nathan Sidwell <nathan@acm.org>
2924 * module.cc (trees_out::decl_node): Adjust importedness reference
2926 (module_state::intercluster_seed): New. Seed both imports and
2927 inter-cluster references. Broken out of ...
2928 (module_state::write_cluster): ... here. Call it.
2930 2021-03-31 Jason Merrill <jason@redhat.com>
2933 * tree.c (strip_typedefs): Handle TYPE_PACK_EXPANSION.
2935 2021-03-31 Patrick Palka <ppalka@redhat.com>
2938 * mangle.c (write_expression): Adjust the mangling of
2941 2021-03-31 Patrick Palka <ppalka@redhat.com>
2944 * pt.c (placeholder_type_constraint_dependent_p): Expand
2945 argument packs to separate the first non-pack argument
2948 2021-03-30 Nathan Sidwell <nathan@acm.org>
2951 * module.cc (dumper::operator): Make less brittle.
2952 (trees_out::core_bools): VAR_DECLs always have a context.
2953 (trees_out::key_mergeable): Use same_type_p for asserting.
2954 (trees_in::read_var_def): Propagate
2955 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2957 2021-03-30 Jakub Jelinek <jakub@redhat.com>
2960 * cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST.
2962 2021-03-26 Marek Polacek <polacek@redhat.com>
2965 * method.c (implicitly_declare_fn): Pass &raises to
2966 synthesized_method_walk.
2968 2021-03-26 Nathan Sidwell <nathan@acm.org>
2971 * cp-tree.h (DECL_MODULE_CHECK): Ban TEMPLATE_DECL.
2972 (SET_TYPE_TEMPLATE_INFO): Restore Alias template setting.
2973 * decl.c (duplicate_decls): Remove template_decl module flag
2975 * module.cc (merge_kind_name): Add alias tmpl spec as a thing.
2976 (dumper::impl::nested_name): Adjust for template-decl module flag
2978 (trees_in::assert_definition): Likewise.
2979 (trees_in::install_entity): Likewise.
2980 (trees_out::decl_value): Likewise. Remove alias template
2981 separation of template and type_decl.
2982 (trees_in::decl_value): Likewise.
2983 (trees_out::key_mergeable): Likewise,
2984 (trees_in::key_mergeable): Likewise.
2985 (trees_out::decl_node): Adjust for template-decl module flag
2987 (depset::hash::make_dependency): Likewise.
2988 (get_originating_module, module_may_redeclare): Likewise.
2989 (set_instantiating_module, set_defining_module): Likewise.
2990 * name-lookup.c (name_lookup::search_adl): Likewise.
2991 (do_pushdecl): Likewise.
2992 * pt.c (build_template_decl): Likewise.
2993 (lookup_template_class_1): Remove special alias_template handling
2994 of DECL_TI_TEMPLATE.
2995 (tsubst_template_decl): Likewise.
2997 2021-03-26 Jakub Jelinek <jakub@redhat.com>
3000 * tree.c (bot_manip): Remap artificial automatic temporaries mentioned
3001 in DECL_EXPR or in BIND_EXPR_VARS.
3003 2021-03-25 Jakub Jelinek <jakub@redhat.com>
3006 * parser.c (cp_parser_postfix_expression): For calls, create
3007 combined_loc and temporarily set input_location to it before
3008 calling finish_call_expr.
3010 2021-03-25 Marek Polacek <polacek@redhat.com>
3013 * call.c (build_over_call): Maybe call mark_used in case
3014 deduce_inheriting_ctor fails and return error_mark_node.
3015 * cp-tree.h (deduce_inheriting_ctor): Adjust declaration.
3016 * method.c (deduce_inheriting_ctor): Return bool if the deduction
3018 (implicitly_declare_fn): If raises is error_mark_node, call
3019 synthesized_method_walk with diag being true.
3021 2021-03-25 Jakub Jelinek <jakub@redhat.com>
3024 * decl2.c (grokbitfield): Diagnose bitfields containing bare parameter
3025 packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
3027 2021-03-25 Marek Polacek <polacek@redhat.com>
3030 * call.c (build_converted_constant_expr_internal): Don't emit
3031 -Wconversion warnings.
3033 2021-03-25 Jakub Jelinek <jakub@redhat.com>
3036 * call.c (build_conditional_expr_1): Pass OEP_ADDRESS_OF_SAME_FIELD
3038 * cvt.c (convert_to_void): Preserve location_t on COND_EXPR or
3041 2021-03-23 Nathan Sidwell <nathan@acm.org>
3044 * name-lookup.c (check_module_override): Set global or partition
3045 DUP on the binding vector.
3047 2021-03-23 Marek Polacek <polacek@redhat.com>
3050 * decl2.c (cp_warn_deprecated_use_scopes): Only call
3051 cp_warn_deprecated_use when decl is a namespace, class, or enum.
3053 2021-03-23 Nathan Sidwell <nathan@acm.org>
3056 * decl.c (duplicate_decls): Remove assert about maybe-imported
3059 2021-03-23 Jakub Jelinek <jakub@redhat.com>
3062 * decl.c (cp_finish_decomp): Diagnose void initializers when
3063 using tuple_element and get.
3065 2021-03-22 Nathan Sidwell <nathan@acm.org>
3068 * module.cc (depset::hash::make_dependency): Propagate flags for
3069 partial specialization.
3070 (module_may_redeclare): Handle partial specialization.
3072 2021-03-22 Nathan Sidwell <nathan@acm.org>
3075 * cp-tree.h (map_context_from, map_context_to): Delete.
3076 (add_mergeable_specialization): Add is_alias parm.
3077 * pt.c (add_mergeable_specialization): Add is_alias parm, add them.
3078 * module.cc (map_context_from, map_context_to): Delete.
3079 (trees_in::decl_value): Add specializations later, adjust call.
3080 Drop useless alias lookup. Set duplicate fn parm context.
3081 (check_mergeable_decl): Drop context mapping.
3082 (trees_in::is_matching_decl): Likewise.
3083 (trees_in::read_function_def): Drop parameter context adjustment
3086 2021-03-22 Martin Liska <mliska@suse.cz>
3089 * module.cc (fini_modules): Call vec_free instead of delete.
3091 2021-03-20 Jakub Jelinek <jakub@redhat.com>
3094 * cp-gimplify.c (cp_genericize_r) <case STATEMENT_LIST>: Remove
3095 special code, instead call c_genericize_control_stmt.
3097 2021-03-19 Jakub Jelinek <jakub@redhat.com>
3100 * constexpr.c (cxx_eval_constant_expression): For CONVERT_EXPR from
3101 INDIRECT_TYPE_P to ARITHMETIC_TYPE_P, when !ctx->manifestly_const_eval
3102 don't diagnose it, set *non_constant_p nor return t.
3104 2021-03-19 Marek Polacek <polacek@redhat.com>
3107 * parser.c (cp_parser_requirement_parameter_list): Handle
3110 2021-03-18 Marek Polacek <polacek@redhat.com>
3112 * pt.c (tsubst_copy_and_build) <case FLOAT_EXPR>: Remove.
3114 2021-03-18 Marek Polacek <polacek@redhat.com>
3116 * pt.c (tsubst_copy_and_build): Add assert.
3118 2021-03-18 Iain Sandoe <iain@sandoe.co.uk>
3121 * parser.c (cp_debug_parser): Add Objective-C++ message
3123 (cp_parser_nested_name_specifier_opt): Allow colon to
3124 terminate an assignment-expression when parsing Objective-
3126 (cp_parser_objc_message_expression): Set and clear message
3127 parsing state on entry and exit.
3128 * parser.h (struct cp_parser): Add a context flag for
3129 Objective-C++ message state.
3131 2021-03-18 Martin Liska <mliska@suse.cz>
3134 * coroutines.cc (struct var_nest_node): Init then_cl and else_cl
3137 2021-03-17 Marek Polacek <polacek@redhat.com>
3140 * call.c (conv_unsafe_in_template_p): New.
3141 (convert_like): Use it.
3143 2021-03-17 Anthony Sharp <anthonysharp15@gmail.com>
3144 Jason Merrill <jason@redhat.com>
3146 * semantics.c (get_class_access_diagnostic_decl): New
3147 function that examines special cases when a parent
3148 class causes a private access failure.
3149 (enforce_access): Slightly modified to call function
3152 2021-03-16 Jason Merrill <jason@redhat.com>
3154 * tree.c (cp_tree_equal): Use real_identical.
3156 2021-03-16 Jakub Jelinek <jakub@redhat.com>
3159 * decl.c (expand_static_init): For thread guards, call __cxa_atexit
3160 before calling __cxa_guard_release rather than after it. Formatting
3163 2021-03-16 Martin Liska <mliska@suse.cz>
3164 Jason Merrill <jason@redhat.com>
3167 * call.c (get_function_version_dispatcher): Handle
3169 * decl.c (maybe_version_functions): Likewise.
3170 (maybe_mark_function_versioned): New.
3171 * name-lookup.c (push_local_extern_decl_alias): No longer static.
3172 * name-lookup.h (push_local_extern_decl_alias): Adjust.
3174 2021-03-16 Nathan Sidwell <nathan@acm.org>
3177 * module.cc (trees_out::decl_value): Adjust typedef streaming,
3178 indicate whether it is a dependent alias.
3179 (trees_in::decl_value): Likewise. Set as dependent alias, if it
3182 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3185 * coroutines.cc (expand_one_await_expression): If the
3186 await_ready() expression is not a boolean then convert it
3189 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3192 * coroutines.cc (build_actor_fn): Make destroy index 1
3193 correspond to the abnormal unhandled_exception() exit.
3194 Substitute the proxy for the resume index.
3195 (coro_rewrite_function_body): Arrange to reset the resume
3196 index and make done = true for a rethrown exception from
3197 unhandled_exception ().
3198 (morph_fn_to_coro): Adjust calls to build_actor_fn and
3199 coro_rewrite_function_body.
3201 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3204 * coroutines.cc (replace_continue): Rewrite continue into
3206 (await_statement_walker): Handle await expressions in the
3207 initializer, condition and iteration expressions of for
3210 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3213 * coroutines.cc (flatten_await_stmt): Allow for the case
3214 where a target expression variable only has uses in the
3215 second part of a compound expression.
3216 (maybe_promote_temps): Avoid emiting empty statements.
3218 2021-03-15 Tobias Burnus <tobias@codesourcery.com>
3221 * decl.c (cp_finish_decl): For 'omp declare target implicit' vars,
3222 ensure that the varpool node is marked as offloadable.
3224 2021-03-12 Nathan Sidwell <nathan@acm.org>
3227 * module.cc (depset::hash::add_binding_entity): Assert not
3229 (depset::add::add_specializations): Likewise.
3230 * name-lookup.c (name_lookup::dedup): New.
3231 (name_lookup::~name_lookup): Assert not deduping.
3232 (name_lookup::restore_state): Likewise.
3233 (name_lookup::add_overload): Replace outlined code with dedup
3235 (name_lookup::add_value): Likewise.
3236 (name_lookup::search_namespace_only): Likewise.
3237 (name_lookup::adl_namespace_fns): Likewise.
3238 (name_lookup::adl_class_fns): Likewise.
3239 (name_lookup::search_adl): Likewise. Add clearing dedup call.
3240 (name_lookup::search_qualified): Likewise.
3241 (name_lookup::search_unqualified): Likewise.
3243 2021-03-12 Jakub Jelinek <jakub@redhat.com>
3246 * call.c (build_over_call): For immediate evaluation of functions
3247 that return references, undo convert_from_reference effects before
3248 calling cxx_constant_value and call convert_from_reference
3251 2021-03-11 Nathan Sidwell <nathan@acm.org>
3254 * name-lookup.c (lookup_elaborated_type_1): Access slot not bind
3255 when there's a binding vector.
3256 * ptree.c (cxx_print_xnode): Lazy flags are no longer a thing.
3258 2021-03-11 Nathan Sidwell <nathan@acm.org>
3261 * module.cc (enum merge_kind): Delete MK_type_tmpl_spec,
3263 (trees_in::decl_value): Adjust add_mergeable_specialization call.
3264 (trees_out::get_merge_kind): Adjust detecting a partial template
3266 (trees_out::key_mergeable): Adjust handling same.
3267 (trees_in::key_mergeabvle): Likewise.
3269 2021-03-10 Nathan Sidwell <nathan@acm.org>
3272 * module.cc (post_load_processing): Assert not gcable.
3273 (laxy_load_pendings): Extend no-gc region around
3274 post_load_processing.
3276 2021-03-10 Nathan Sidwell <nathan@acm.org>
3279 * decl.c (make_rtl_for_nonlocal_decl): Propagate local-extern's
3280 assembler name to the ns alias.
3282 2021-03-09 Jakub Jelinek <jakub@redhat.com>
3285 * coroutines.cc (build_co_await): Look through NOP_EXPRs in
3286 build_special_member_call return value to find the CALL_EXPR.
3289 2021-03-09 Nathan Sidwell <nathan@acm.org>
3292 * parser.c (cp_parser_diagnose_invalid_type_name): Clarify
3293 that C++20 does not yet imply modules.
3295 2021-03-08 Nathan Sidwell <nathan@acm.org>
3298 * name-lookup.c (get_cxx_dialect_name): Add cxx23.
3300 2021-03-08 Nathan Sidwell <nathan@acm.org>
3302 * lex.c (module_token_filter::resume): Ignore module-decls inside
3304 * parser.c (cp_parser_module_declaration): Reject in header-unit.
3306 2021-03-08 Nathan Sidwell <nathan@acm.org>
3309 * cp-tree.h (match_mergeable_specialization)
3310 (add_mergeable_specialization): Adjust parms.
3311 * module.cc (trees_in::decl_value): Adjust
3312 add_mergeable_specialization calls.
3313 (trees_out::key_mergeable): Adjust match_mergeable_specialization
3315 (specialization_add): Likewise.
3316 * pt.c (match_mergeable_specialization): Do not insert.
3317 (add_mergeable_specialization): Add to hash table here.
3319 2021-03-06 Patrick Palka <ppalka@redhat.com>
3320 Jakub Jelinek <jakub@redhat.com>
3323 * constexpr.c (cxx_eval_increment_expression): Pass lval when
3324 evaluating the MODIFY_EXPR, and update 'mod' with the result of
3325 this evaluation. Check *non_constant_p afterwards. For prefix
3326 ops, just return 'mod'.
3328 2021-03-06 Patrick Palka <ppalka@redhat.com>
3329 Jakub Jelinek <jakub@redhat.com>
3332 * pt.c (tsubst_copy) <case TEMPLATE_ID_EXPR>: Rename local
3333 variable 'fn' to 'tmpl'. Handle a variable template-id by
3334 calling lookup_template_variable.
3336 2021-03-06 Patrick Palka <ppalka@redhat.com>
3339 * pt.c (unify) <case TEMPLATE_TYPE_PARM>: Pass targs as
3340 outer_targs to do_auto_deduction.
3341 (placeholder_type_constraint_dependent_p): Define.
3342 (do_auto_deduction): When processing_template_decl != 0
3343 and context is adc_unify and we have constraints, pretend the
3344 constraints are satisfied instead of punting. Otherwise don't
3345 punt unless placeholder_type_constraint_dependent_p holds.
3346 Add some clarifying sanity checks. Add a hack to add missing
3347 outermost template levels to outer_args before checking
3348 satisfaction. Don't substitute outer_targs into type if it's
3351 2021-03-05 Marek Polacek <polacek@redhat.com>
3354 * call.c (standard_conversion): When converting pointers to
3355 member, don't return NULL when the bases are equivalent but
3358 2021-03-05 Marek Polacek <polacek@redhat.com>
3361 * name-lookup.c (check_local_shadow): Check if the type of decl
3362 is non-null before checking TYPE_PTR*.
3364 2021-03-05 Nathan Sidwell <nathan@acm.org>
3367 * module.cc (module_state::write_cluster): Relax binding assert.
3369 2021-03-05 Nathan Sidwell <nathan@acm.org>
3372 * pt.c (instantiate_decl): Call set_instantiating_module.
3374 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3377 * coroutines.cc (build_co_await): Use type_build_ctor_call()
3378 to determine cases when a CTOR needs to be built.
3379 (flatten_await_stmt): Likewise.
3380 (morph_fn_to_coro): Likewise.
3382 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3385 * coroutines.cc (coro_diagnose_throwing_fn): New helper.
3386 (coro_diagnose_throwing_final_aw_expr): New helper.
3387 (build_co_await): Diagnose throwing final await expression
3389 (build_init_or_final_await): Diagnose a throwing promise
3390 final_suspend() call.
3392 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3395 * coroutines.cc (struct param_info): Track parameter copies that need
3397 (coro_get_frame_dtor): New helper function factored from build_actor().
3398 (build_actor_fn): Use coro_get_frame_dtor().
3399 (morph_fn_to_coro): Track parameters that need DTORs on exception,
3400 likewise the frame promise and the return object. On exception, run the
3401 DTORs for these, destroy the frame and then rethrow the exception.
3403 2021-03-05 Nathan Sidwell <nathan@acm.org>
3406 * pt.c (instantiate_class_template_1): Set instantiating module
3409 2021-03-05 Tobias Burnus <tobias@codesourcery.com>
3412 * parser.c (cp_parser_oacc_clause_async): Reject comma expressions.
3414 2021-03-04 Jakub Jelinek <jakub@redhat.com>
3418 * cvt.c (convert_to_void): Revert 2019-10-17 changes. Clarify
3421 2021-03-04 Nathan Sidwell <nathan@acm.org>
3424 * module.cc (class uintset): Delete.
3425 (typedef attached_map_t): A hash map.
3426 (attached_table): Use attached_map_t. Adjust uses ...
3427 (trees_out::decl_value, trees_in::decl_value): ... here ...
3428 (trees_out::key_mergeable): ... here ...
3429 (trees_in::key_mergeable): ... here ...
3430 (maybe_attach_decl): ... here ...
3431 (direct_import): ... and here.
3433 2021-03-04 Nathan Sidwell <nathan@acm.org>
3437 * lex.c (cxx_dup_lang_specific_decl): Adjust for module_attached_p
3439 * module.cc (class pending_key): New.
3440 (default_hash_traits<pending_key>): New specialization.
3441 (pending_map_t): New typedef.
3442 (pending_table): Replace old table.
3443 (trees_out::lang_decl_bools): Adjust.
3444 (trees_in::lang_decl_bools): Adjust.
3445 (trees_in::install_entity): Drop pending member and specialization
3447 (find_pending_key): New.
3448 (depset::hash::fiund_dependencies): Use it.
3449 (pendset_lazy_load): Delete.
3450 (module_state::write_cluster): Don't count pendings here. Bye
3451 Duff's device-like thing.
3452 (module_state::write_pendings): Reimplement.
3453 (module_state::read_pendings): Reimplement.
3454 (lazy_specializations_p): Delete.
3455 (module_state::write): Adjust write_pendings call.
3456 (lazy_load_pendings): New.
3457 (lazy_load_specializations): Delete.
3458 (lazy_load_members): Delete.
3459 (init_modules): Adjust.
3460 * name-lookup.c (maybe_lazily_declare): Call lazy_load_pendings
3461 not lazy_load_members.
3462 (note_pending_specializations): Delete.
3463 (load_pending_specializations): Delete.
3464 * name-lookup.h (BINDING_VECTR_PENDING_SPECIALIZATIONS_P): Delete.
3465 (BINDING_VECTOR_PENDING_MEMBERS_P): Delete.
3466 (BINDING_VECTR_PENDING_MEMBERS_P): Delete.
3467 (note_pending_specializations): Delete.
3468 (load_pending_specializations): Delete.
3469 * pt.c (lookup_template_class_1): Call lazy_load_pendings not
3470 lazy_load_specializations.
3471 (instantiate_template_class_1): Likewise.
3472 (instantiate_decl): Call lazy_load_pendings.
3473 * typeck.c (complete_type): Likewise.
3475 2021-03-03 Nathan Sidwell <nathan@acm.org>
3478 * module.cc (post_load_decls): New.
3479 (lazy_snum, recursive_lazy): Move earlier.
3480 (module_state::read_cluster): Push cloning onto post_load_decls.
3481 (post_load_processing): New. Do the cloning here.
3482 (module_state::read_inits): Call post_load_processing.
3483 (module_state::read_language): Likewise.
3484 (lazy_load_binding, lazy_load_specializations): Likewise
3485 (lazy_load_members): Likewise
3487 2021-03-03 Nathan Sidwell <nathan@acm.org>
3490 * module.cc (trees_out::decl_value): Stream specialization keys
3492 (trees_in::decl_value): Stream them back and insert after
3493 completing the decl.
3494 (trees_out::key_mergeable): Drop some streaming here ...
3495 (trees_in::key_mergeable): ... and here. Don't insert into
3496 specialization tables.
3498 2021-03-03 Patrick Palka <ppalka@redhat.com>
3500 * constraint.cc (struct sat_info): Document the different
3501 meanings of noisy() and diagnose_unsatisfaction_p() during
3502 satisfaction and requires-expression evaluation.
3503 (tsubst_valid_expression_requirement): Take a sat_info instead
3504 of a subst_info. Perform the substitution quietly first. Fold
3505 in error-replaying code from diagnose_valid_expression.
3506 (tsubst_simple_requirement): Take a sat_info instead of a
3508 (tsubst_type_requirement_1): New. Fold in error-replaying code
3509 from diagnose_valid_type.
3510 (tsubst_type_requirement): Use the above. Take a sat_info
3511 instead of a subst_info.
3512 (tsubst_compound_requirement): Likewise. Fold in
3513 error-replaying code from diagnose_compound_requirement.
3514 (tsubst_nested_requirement): Take a sat_info instead of a
3515 subst_info. Fold in error-replaying code from
3516 diagnose_nested_requirement.
3517 (tsubst_requirement): Take a sat_info instead of a subst_info.
3518 (tsubst_requires_expr): Split into two versions, one that takes
3519 a sat_info argument and another that takes a complain and
3520 in_decl argument. Remove outdated documentation. Document the
3521 effects of the sat_info argument. Don't short-circuit
3522 processing of requirements when diagnosing unsatisfaction,
3523 mirroring diagnose_requires_expr.
3524 (satisfy_nondeclaration_constraint) <case REQUIRES_EXPR>: Remove
3525 assert, and se the three-parameter version of tsubst_requires_expr.
3526 (diagnose_trait_expr): Make static. Take a template argument
3527 vector instead of a parameter mapping.
3528 (diagnose_valid_expression): Remove.
3529 (diagnose_valid_type): Remove.
3530 (diagnose_simple_requirement): Remove.
3531 (diagnose_compound_requirement): Remove.
3532 (diagnose_type_requirement): Remove.
3533 (diagnose_nested_requirement): Remove.
3534 (diagnose_requirement): Remove.
3535 (diagnose_requires_expr): Remove.
3536 (diagnose_atomic_constraint): Take a sat_info instead of a
3537 subst_info. Adjust call to diagnose_trait_expr. Call
3538 tsubst_requires_expr instead of diagnose_requires_expr.
3539 (diagnose_constraints): Remove special casing of REQUIRES_EXPR
3540 and just always call constraint_satisfaction_value.
3542 2021-03-03 Patrick Palka <ppalka@redhat.com>
3544 * constexpr.c (cxx_eval_call_expression): Adjust call to
3545 evaluate_concept_check.
3546 (cxx_eval_constant_expression) <case REQUIRES_EXPR>: Use
3547 evaluate_requires_expression instead of
3548 satisfy_constraint_expression.
3549 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3550 * constraint.cc (struct sat_info): Adjust comment about which
3551 satisfaction entrypoints use noisy-unsat.
3552 (normalize_template_requirements): Remove (and adjust callers
3554 (normalize_nontemplate_requirements): Likewise.
3555 (tsubst_nested_requirement): Use constraint_satisfaction_value
3556 instead of satisfy_constraint_expression, which'll do the
3557 noisy replaying of ill-formed quiet satisfaction for us.
3558 (decl_satisfied_cache): Adjust comment.
3559 (satisfy_constraint): Rename to ...
3560 (satisfy_normalized_constraints): ... this.
3561 (satisfy_associated_constraints): Remove (and make its
3562 callers check for dependent arguments).
3563 (satisfy_constraint_expression): Rename to ...
3564 (satisfy_nondeclaration_constraints): ... this. Assert that
3565 'args' is empty when 't' is a concept-id. Removing handling
3566 bare constraint-expressions, and handle REQUIRES_EXPRs
3567 specially. Adjust comment accordingly.
3568 (satisfy_declaration_constraints): Assert in the two-parameter
3569 version that 't' is not a TEMPLATE_DECL. Adjust following
3570 removal of normalize_(non)?template_requirements and
3571 satisfy_asociated_constraints.
3572 (constraint_satisfaction_value): Combine the two- and
3573 three-parameter versions in the natural way.
3574 (constraints_satisfied_p): Combine the one- and two-parameter
3575 versions in the natural way. Improve documentation.
3576 (evaluate_requires_expr): Define.
3577 (evaluate_concept_check): Remove 'complain' parameter. Use
3578 constraint_satisfaction_value instead of
3579 satisfy_constraint_expression.
3580 (diagnose_nested_requirement): Adjust following renaming of
3581 satisfy_constraint_expression.
3582 (diagnose_constraints): Handle REQUIRES_EXPR by going through
3583 diagnose_requires_expr directly instead of treating it as a
3584 constraint-expression. Improve documentation.
3585 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Adjust call
3586 to evaluate_concept_check.
3587 <case REQUIRES_EXPR>: Use evaluate_requires_expr instead of
3588 constraints_satisfied_p.
3589 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3590 * cp-tree.h (evaluate_requires_expr): Declare.
3591 (evaluate_concept_check): Remove tsubst_flag_t parameter.
3592 (satisfy_constraint_expression): Remove declaration.
3593 (constraints_satisfied_p): Remove one-parameter declaration.
3594 Add a default argument to the two-parameter declaration.
3595 * cvt.c (convert_to_void): Adjust call to
3596 evaluate_concept_check.
3598 2021-03-03 Jakub Jelinek <jakub@redhat.com>
3601 * call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR
3604 2021-03-03 Marek Polacek <polacek@redhat.com>
3608 * pt.c (build_deduction_guide): Use INNERMOST_TEMPLATE_ARGS.
3609 (maybe_aggr_guide): Use the original template type where needed. In
3610 a class member template, partially instantiate the result of
3611 collect_ctor_idx_types.
3612 (do_class_deduction): Defer the deduction until the enclosing
3613 scope is non-dependent.
3615 2021-03-03 Jason Merrill <jason@redhat.com>
3618 * call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR
3619 if it didn't get one before.
3621 2021-03-03 Nathan Sidwell <nathan@acm.org>
3624 * module.cc (trees_out::decl_node): Small refactor.
3625 (depset::hash::add_binding_entity): Return true on meeting an
3626 import. Set namespace's import here.
3627 (module_state:write_namespaces): Inform of purview too.
3628 (module_state:read_namespaces): Adjust.
3629 * name-lookup.c (implicitly_export_namespace): Delete.
3630 (do_pushdecl): Don't call it.
3631 (push_namespace): Likewise, set purview.
3632 (add_imported_namespace): Reorder parms.
3633 * name-lookup.h (add_imported_namespace): Alter param ordering.
3635 2021-03-02 Martin Sebor <msebor@redhat.com>
3638 * class.c (build_base_path): Call build_if_nonnull.
3639 * cp-tree.h (build_if_nonnull): Declare.
3640 * rtti.c (ifnonnull): Rename...
3641 (build_if_nonnull): ...to this. Set no-warning bit on COND_EXPR.
3642 (build_dynamic_cast_1): Adjust to name change.
3644 2021-03-02 Patrick Palka <ppalka@redhat.com>
3648 * constraint.cc (type_deducible_p): Don't substitute into the
3649 constraints, and instead just pass 'args' to do_auto_deduction
3650 as the outer template arguments.
3651 (tsubst_parameter_mapping): Remove confused code for handling
3652 placeholder type arguments.
3653 (normalize_placeholder_type_constraint): Define.
3654 (satisfy_constraint_expression): Use it to handle placeholder
3656 * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Define.
3657 (PLACEHOLDER_TYPE_CONSTRAINTS): Redefine in terms of the above.
3658 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: Use
3659 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3660 (make_constrained_placeholder_type): Set
3661 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3662 (do_auto_deduction): Clarify comments about the outer_targs
3663 parameter. Rework satisfaction of a placeholder type constraint
3664 to pass in the complete set of template arguments directly to
3665 constraints_satisfied_p.
3666 (splice_late_return_type): Use PLACEHOLDER_TYPE_CONSTRAINTS_INFO
3667 instead. Also rebuild the the constraint info on the new auto.
3669 2021-03-02 Patrick Palka <ppalka@redhat.com>
3671 * constraint.cc (build_parameter_mapping): Rely on the caller to
3672 determine the in-scope template parameters.
3673 (norm_info::norm_info): Delegate the tsubst_flags_t constructor
3674 to the two-parameter constructor. In the two-parameter
3675 constructor, fold in the definition of make_context, set
3676 initial_parms appropriately, and don't set the now-removed
3678 (norm_info::make_context): Remove, now that its only use is
3679 inlined into the caller.
3680 (norm_info::update_context): Adjust call to
3681 build_parameter_mapping to pass in the relevant set of in-scope
3682 template parameters.
3683 (norm_info::ctx_parms): Define this member function.
3684 (norm_info::context): Initialize to NULL_TREE.
3685 (norm_info::orig_decl): Remove this data member.
3686 (norm_info::initial_parms): Define this data member.
3687 (normalize_atom): Adjust call to build_parameter_mapping to pass
3688 in the relevant set of in-scope template parameters. Use
3689 info.initial_parms instead of info.orig_decl.
3690 (normalize_constraint_expression): Take a norm_info object
3691 instead of a bool. Cache the result of normalization.
3692 (tsubst_nested_requirement): Call satisfy_constraint_expression
3693 instead of satisfy_constraint, so that we normalize on demand.
3694 (satisfy_constraint_expression): Handle a NESTED_REQ argument.
3695 Adjust call to normalize_constraint_expression.
3696 (finish_nested_requirement): Set the TREE_TYPE of the NESTED_REQ
3697 to current_template_parms.
3698 (diagnose_nested_requirements): Go through
3699 satisfy_constraint_expression, as with tsubst_nested_requirement.
3701 2021-03-02 Patrick Palka <ppalka@redhat.com>
3703 * constraint.cc (tsubst_parameter_mapping): Canonicalize the
3704 arguments of a substituted TYPE_ARGUMENT_PACK even if we've
3705 started with a TYPE_ARGUMENT_PACK.
3706 (finish_requires_expr): Don't set DECL_CONTEXT and
3707 CONSTRAINT_VAR_P on each of the introduced parameters here.
3708 * parser.c (cp_parser_requirement_parameter_list): Instead set
3709 these fields earlier, here.
3710 * pt.c (do_auto_deduction): Canonicalize the result of
3711 do_auto_deduction. Pass 'complain' to finish_decltype_type.
3713 2021-03-02 Patrick Palka <ppalka@redhat.com>
3715 * constraint.cc (tsubst_simple_requirement): Just return
3716 boolean_true_node on success.
3717 (tsubst_type_requirement): Likewise.
3718 (tsubst_compound_requirement): Likewise.
3719 (tsubst_nested_requirement): Likewise.
3720 (tsubst_requirement_body): Remove.
3721 (check_constaint_variables): Rename to ...
3722 (check_constraint_variables): ... this.
3723 (tsubst_constraint_variables): Adjust.
3724 (tsubst_requires_expr): Fold tsubst_requirement_body into here.
3726 2021-03-01 Nathan Sidwell <nathan@acm.org>
3729 * class.c (fixup_type_variants): Propagate mode, precision,
3730 alignment & emptiness.
3731 * module.cc (trees_out::type_node): Use TYPE_ALIGN_RAW.
3732 (trees_in::tree_node): Rematerialize alignment here.
3734 2021-02-27 Jason Merrill <jason@redhat.com>
3737 * parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes
3740 2021-02-26 Jakub Jelinek <jakub@redhat.com>
3742 * parser.c (cp_parser_lambda_declarator_opt): Implement
3743 P1102R2 - Down with ()! Make ()s optional before lambda specifiers
3744 for -std={c,gnu}++2b or with pedwarn in earlier versions.
3746 2021-02-26 Jakub Jelinek <jakub@redhat.com>
3749 * lambda.c (is_lambda_ignored_entity): Before checking for
3750 LAMBDA_FUNCTION_P, use OVL_FIRST. Drop FUNCTION_DECL check.
3752 2021-02-26 Jason Merrill <jason@redhat.com>
3755 * pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const
3756 to a class non-type template argument that needs it.
3758 2021-02-26 Patrick Palka <ppalka@redhat.com>
3761 * pt.c (splice_late_return_type): Rebuild the entire return type
3762 if we have to adjust the level of an auto within.
3763 (type_uses_auto): Adjust call to find_type_usage.
3764 * type-utils.h (find_type_usage): Revert r10-6571 change that
3765 made this function return a pointer to the auto node.
3767 2021-02-25 Patrick Palka <ppalka@redhat.com>
3771 * error.c (dump_scope): Pass TFF_NO_TEMPLATE_BINDINGS instead of
3772 TFF_NO_FUNCTION_ARGUMENTS when dumping a function scope.
3774 2021-02-25 Patrick Palka <ppalka@redhat.com>
3777 * pt.c (is_spec_or_derived): Drop cv-qualifiers from 'etype'.
3778 (maybe_aggr_guide): Fix order of arguments to is_spec_or_derived.
3780 2021-02-25 Marek Polacek <polacek@redhat.com>
3784 * constexpr.c (is_std_construct_at): New overload.
3785 (is_std_allocator_allocate): New overload.
3786 (cxx_eval_call_expression): Use the new overloads.
3787 (cxx_eval_constant_expression): Reject casting
3788 from void * as per DR 1312. Don't check can_convert.
3790 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
3793 * coroutines.cc (struct param_info): Track rvalue refs.
3794 (morph_fn_to_coro): Track rvalue refs, and call the promise
3795 CTOR with the frame copy of passed parms.
3797 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
3800 * coroutines.cc (morph_fn_to_coro): Unconditionally remove any
3801 set throwing_cleanup marker.
3803 2021-02-25 Nathan Sidwell <nathan@acm.org>
3806 * module.cc (module_state::inform_cmi_p): Renamed field.
3807 (module_state::do_import): Adjust.
3808 (init_modules, finish_module_processing): Likewise.
3809 (handle_module_option): Likewise.
3811 2021-02-25 Nathan Sidwell <nathan@acm.org>
3814 * mapper-client.cc (module_client::open_module_client): Fix typo
3817 2021-02-24 Nathan Sidwell <nathan@acm.org>
3820 * module.cc (ool): New indirection vector.
3821 (loc_spans::maybe_propagate): Location is not optional.
3822 (loc_spans::open): Likewise. Assert monotonically advancing.
3823 (module_for_ordinary_loc): Use ool indirection vector.
3824 (module_state::write_prepare_maps): Do not count empty macro
3825 expansions. Elide empty spans.
3826 (module_state::write_macro_maps): Skip empty expansions.
3827 (ool_cmp): New qsort comparator.
3828 (module_state::write): Create and destroy ool vector.
3829 (name_pending_imports): Fix dump push/pop.
3830 (preprocess_module): Likewise. Add more dumping.
3831 (preprocessed_module): Likewise.
3833 2021-02-24 Iain Sandoe <iain@sandoe.co.uk>
3836 * coroutines.cc (coro_common_keyword_context_valid_p): Suppress
3837 error reporting when instantiating for a constexpr.
3839 2021-02-23 Nathan Sidwell <nathan@acm.org>
3842 * decl.c (name_unnamed_type): Check DECL identity, not IDENTIFIER
3845 2021-02-23 Patrick Palka <ppalka@redhat.com>
3848 * pt.c (tsubst_copy_and_build) <case BASELINK>: New case, copied
3849 over from tsubst_copy.
3851 2021-02-23 Patrick Palka <ppalka@redhat.com>
3853 * pt.c (instantiation_dependent_expression_p): Check
3854 processing_template_decl before calling
3855 potential_constant_expression.
3857 2021-02-22 Nathan Sidwell <nathan@acm.org>
3860 * module.cc (struct module_state): Add visited_p flag.
3861 (name_pending_imports): Use it to avoid duplicate requests.
3862 (preprocess_module): Don't read preprocessor state if we failed to
3863 load a module's config.
3865 2021-02-22 Nathan Sidwell <nathan@acm.org>
3868 * decl.c (duplicate_decls): Move DECL_MODULE_IMPORT_P propagation
3870 * module.cc (set_defining_module): Add assert.
3872 2021-02-19 Nathan Sidwell <nathan@acm.org>
3875 * module.cc (pending_imports): New.
3876 (declare_module): Adjust test condition.
3877 (name_pending_imports): New.
3878 (preprocess_module): Reimplement using pending_imports.
3879 (preprocessed_module): Move name-getting to name_pending_imports.
3880 * name-lookup.c (append_imported_binding_slot): Assert module
3881 ordering is increasing.
3883 2021-02-19 Nathan Sidwell <nathan@acm.org>
3885 * module.cc (note_cmis): New.
3886 (struct module_state): Add inform_read_p bit.
3887 (module_state::do_import): Inform of CMI location, if enabled.
3888 (init_modules): Canonicalize note_cmis entries.
3889 (handle_module_option): Handle -flang-info-module-read=FOO.
3891 2021-02-19 Jason Merrill <jason@redhat.com>
3894 * call.c (perfect_conversion_p): Limit rvalueness
3895 test to reference bindings.
3897 2021-02-19 Jason Merrill <jason@redhat.com>
3900 * call.c (perfect_conversion_p): New.
3901 (perfect_candidate_p): New.
3902 (add_candidates): Ignore templates after a perfect non-template.
3904 2021-02-18 Nathan Sidwell <nathan@acm.org>
3907 * module.cc (canonicalize_header_name): Use
3908 cpp_probe_header_unit.
3909 (maybe_translate_include): Fix note_includes comparison.
3910 (init_modules): Fix note_includes string termination.
3912 2021-02-18 Jakub Jelinek <jakub@redhat.com>
3915 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Use
3916 cp_get_callee_fndecl_nofold instead of cp_get_callee_fndecl to check
3917 for immediate function calls.
3919 2021-02-17 Nathan Sidwell <nathan@acm.org>
3922 * module.cc (struct macro_export): Add GTY markers.
3923 (macro_exports): Likewise, us a va_gc Vector.
3925 2021-02-17 Jakub Jelinek <jakub@redhat.com>
3928 * init.c (build_zero_init_1): For flexible array members just return
3929 NULL_TREE instead of returning empty CONSTRUCTOR with non-complete
3932 2021-02-17 Nathan Sidwell <nathan@acm.org>
3935 * name-lookup.c (do_pushdecl): Don't peek under template_parm
3937 (set_identifier_type_value_with_scope): ... or here.
3938 (do_pushtag): Only set_identifier_type_value_with_scope at
3939 non-class template parm scope, and use parent scope.
3941 2021-02-17 Nathan Sidwell <nathan@acm.org>
3944 * name-lookup.c (maybe_record_mergeable_decl): Deref the correct
3947 2021-02-17 Patrick Palka <ppalka@redhat.com>
3951 * tree.c (build_aggr_init_expr): Revert r10-7718 change.
3953 2021-02-12 Nathan Sidwell <nathan@acm.org>
3955 * module.cc (module_state::write_cluster): Check bindings for
3956 imported using-decls.
3958 2021-02-12 Nathan Sidwell <nathan@acm.org>
3961 * module.cc (trees_in::decl_value): Call add_module_namespace_decl
3962 for new namespace-scope entities.
3963 (module_state::read_cluster): Don't call add_module_decl here.
3964 * name-lookup.h (add_module_decl): Rename to ...
3965 (add_module_namespace_decl): ... this.
3966 * name-lookup.c (newbinding_bookkeeping): Move into ...
3967 (do_pushdecl): ... here. Its only remaining caller.
3968 (add_module_decl): Rename to ...
3969 (add_module_namespace_decl): ... here. Add checking-assert for
3970 circularity. Don't call newbinding_bookkeeping, just extern_c
3971 checking and incomplete var checking.
3973 2021-02-12 Nathan Sidwell <nathan@acm.org>
3977 * cp-tree.h (CPTI_GLOBAL_TYPE): Delete.
3978 (global_type_node): Delete.
3979 (IDENTIFIER_TYPE_VALUE): Delete.
3980 (IDENTIFIER_HAS_TYPE_VALUE): Delete.
3981 (get_type_value): Delete.
3982 * name-lookup.h (identifier_type_value): Delete.
3983 * name-lookup.c (check_module_override): Don't
3984 SET_IDENTIFIER_TYPE_VALUE here.
3985 (do_pushdecl): Nor here.
3986 (identifier_type_value_1, identifier_type_value): Delete.
3987 (set_identifier_type_value_with_scope): Only
3988 SET_IDENTIFIER_TYPE_VALUE for local and class scopes.
3989 (pushdecl_nanmespace_level): Remove shadow stack nadgering.
3990 (do_pushtag): Use REAL_IDENTIFIER_TYPE_VALUE.
3991 * call.c (check_dtor_name): Use lookup_name.
3992 * decl.c (cxx_init_decl_processing): Drop global_type_node.
3993 * decl2.c (cplus_decl_attributes): Don't SET_IDENTIFIER_TYPE_VALUE
3995 * init.c (get_type_value): Delete.
3996 * pt.c (instantiate_class_template_1): Don't call pushtag or
3997 SET_IDENTIFIER_TYPE_VALUE here.
3998 (tsubst): Assert never an identifier.
3999 (dependent_type_p): Drop global_type_node assert.
4000 * typeck.c (error_args_num): Don't use IDENTIFIER_HAS_TYPE_VALUE
4001 to determine ctorness.
4003 2021-02-12 Jakub Jelinek <jakub@redhat.com>
4006 * parser.c (cp_parser_requirement_seq): Stop iterating after reaching
4009 2021-02-12 Jason Merrill <jason@redhat.com>
4013 * pt.c (extract_fnparm_pack): Check DECL_PACK_P here.
4014 (register_parameter_specializations): Not here.
4016 2021-02-11 Marek Polacek <polacek@redhat.com>
4019 * pt.c (lookup_template_class_1): Pass tf_none to tsubst when looking
4020 for the partial instantiation.
4022 2021-02-11 Jakub Jelinek <jakub@redhat.com>
4025 * init.c (build_zero_init_1): Handle zero initialiation of
4026 flexible array members like initialization of [0] arrays.
4027 Use integer_minus_onep instead of comparison to integer_minus_one_node
4028 and integer_zerop instead of comparison against size_zero_node.
4031 2021-02-11 Marek Polacek <polacek@redhat.com>
4034 * semantics.c (finish_do_stmt): Check for unexpanded parameter packs.
4036 2021-02-11 Patrick Palka <ppalka@redhat.com>
4039 * name-lookup.c (op_unqualified_lookup): Handle an ambiguous
4040 lookup result by discarding it if the first element is a
4041 class-scope declaration, otherwise return it.
4042 (push_operator_bindings): Handle an ambiguous lookup result by
4043 doing push_local_binding on each element in the list.
4045 2021-02-11 Marek Polacek <polacek@redhat.com>
4047 * parser.c (cp_parser_selection_statement): Use vec_free.
4049 2021-02-10 Jakub Jelinek <jakub@redhat.com>
4053 * constexpr.c: Include cgraph.h.
4054 (cxx_eval_call_expression): Call varpool_node::finalize_decl on
4055 heap artificial vars.
4056 (cxx_eval_outermost_constant_expr): Remove varpool nodes for
4057 heap artificial vars.
4059 2021-02-10 Nathan Sidwell <nathan@acm.org>
4062 * pt.c (tsubst_copy) [VAR_DECL]: For a DECL_LOCAL_DECL_P T is the
4063 answer if there's no local specialization.
4065 2021-02-09 Nathan Sidwell <nathan@acm.org>
4068 * module.cc (module_state::is_rooted): Rename to ...
4069 (module_state::has_location): ... here. Adjust callers.
4070 (module_state::read_partitions): Adjust validity check.
4071 Don't overwrite a known location.
4073 2021-02-09 Jason Merrill <jason@redhat.com>
4076 * pt.c (mark_decl_instantiated): Exit early if consteval.
4078 2021-02-09 Jason Merrill <jason@redhat.com>
4082 * cp-gimplify.c (simple_empty_class_p): Don't touch an invisiref
4085 2021-02-09 Jason Merrill <jason@redhat.com>
4089 * constexpr.c (cxx_eval_store_expression): Only skip empty fields in
4092 2021-02-08 Nathan Sidwell <nathan@acm.org>
4094 * decl.c (start_cleanup_fn): Push function into
4097 2021-02-08 Nathan Sidwell <nathan@acm.org>
4100 * cp-tree.h (push_abi_namespace, pop_abi_namespace): Declare.
4101 * decl.c (push_abi_namespace, pop_abi_namespace): Moved
4102 from rtti.c, add default namespace arg.
4103 (check_redeclaration_exception_specification): Allow a lazy
4104 builtin's eh spec to differ from an lready-declared user
4106 (declare_global_var): Use push/pop_abi_namespace.
4107 (get_atexit_node): Push the fndecl into a namespace.
4108 * rtti.c (push_abi_namespace, pop_abi_namespace): Moved to
4111 2021-02-08 Marek Polacek <polacek@redhat.com>
4113 * cp-tree.h (CLASSTYPE_TI_TEMPLATE): Fix typo.
4115 2021-02-05 Marek Polacek <polacek@redhat.com>
4118 * call.c (build_conditional_expr_1): Don't call mark_lvalue_use
4120 * expr.c (mark_use) <case MODIFY_EXPR>: Don't check read_p when
4121 issuing the -Wvolatile warning. Only set TREE_THIS_VOLATILE if
4122 a warning was emitted.
4124 2021-02-05 Marek Polacek <polacek@redhat.com>
4127 * name-lookup.c (lookup_using_decl): Hoist the destructor check.
4129 2021-02-05 Jakub Jelinek <jakub@redhat.com>
4132 * decl.c (check_array_initializer): For structured bindings, require
4133 the array type to be complete.
4135 2021-02-04 Jason Merrill <jason@redhat.com>
4138 * constraint.cc (build_concept_check_arguments): Remove assert.
4139 (build_concept_check): Allow empty args.
4141 2021-02-04 Tom Greenslade (thomgree) <thomgree@cisco.com>
4144 * call.c (can_convert_array): Extend to handle all valid aggregate
4145 initializers of an array; including by string literals, not just by
4147 (build_aggr_conv): Call can_convert_array more often, not just in
4148 brace-init-list case.
4149 * typeck2.c (array_string_literal_compatible_p): New function.
4150 (digest_init_r): call array_string_literal_compatible_p
4151 * cp-tree.h: (array_string_literal_compatible_p): Declare.
4153 2021-02-04 Jason Merrill <jason@redhat.com>
4156 * pt.c (do_class_deduction): No aggregate guide if any_dguides_p.
4158 2021-02-04 Jason Merrill <jason@redhat.com>
4161 * pt.c (tsubst_attribute): Handle error.
4162 (apply_late_template_attributes): Return false on error.
4163 (tsubst_function_decl): Check its return value.
4164 (tsubst_decl): Likewise.
4165 (push_template_decl): Assert current_template_parms.
4166 (tsubst_template_decl): Set current_template_parms.
4168 2021-02-03 Marek Polacek <polacek@redhat.com>
4171 * call.c (struct z_candidate): Mark rewritten and reversed as const.
4172 (struct NonPublicField): Mark operator() as const.
4173 (struct NonTrivialField): Likewise.
4175 2021-02-03 Jason Merrill <jason@redhat.com>
4179 * pt.c (spec_hasher::equal): Set processing_template_decl.
4180 * Make-lang.in (check-g++-strict-gc): Add --param
4181 hash-table-verification-limit=10000.
4183 2021-02-03 Marek Polacek <polacek@redhat.com>
4186 * parser.c (cp_parser_class_specifier_1): Use any possible
4187 DEFPARSE_INSTANTIATIONS to update DEFERRED_NOEXCEPT_PATTERN.
4188 (cp_parser_save_noexcept): Initialize DEFPARSE_INSTANTIATIONS.
4189 * pt.c (tsubst_exception_specification): Stash new_specs into
4190 DEFPARSE_INSTANTIATIONS.
4191 * tree.c (fixup_deferred_exception_variants): Use
4192 UNPARSED_NOEXCEPT_SPEC_P.
4194 2021-02-02 Jason Merrill <jason@redhat.com>
4198 * error.c (dump_expr): Ignore dummy object.
4199 * pt.c (tsubst_baselink): Handle dependent scope.
4201 2021-02-01 Patrick Palka <ppalka@redhat.com>
4204 * constexpr.c (cxx_eval_array_reference): Also set
4205 new_ctx.object when setting new_ctx.ctor.
4207 2021-02-01 Marek Polacek <polacek@redhat.com>
4210 * parser.c (cp_parser_has_attribute_expression): Use
4211 uses_template_parms instead of type_dependent_expression_p.
4213 2021-02-01 Jason Merrill <jason@redhat.com>
4216 * cp-tree.h: Declare it.
4217 * pt.c (comparing_dependent_aliases): New flag.
4218 (template_args_equal, spec_hasher::equal): Set it.
4219 (dependent_alias_template_spec_p): Assert that we don't
4220 get non-types other than error_mark_node.
4221 (instantiate_alias_template): SET_TYPE_STRUCTURAL_EQUALITY
4222 on complex alias specializations. Set TYPE_DEPENDENT_P here.
4223 (tsubst_decl): Not here.
4224 * module.cc (module_state::read_cluster): Set
4225 comparing_dependent_aliases instead of
4226 comparing_specializations.
4227 * tree.c (cp_tree_equal): Remove comparing_specializations
4229 * typeck.c (structural_comptypes): Adjust.
4230 (comptypes): Remove comparing_specializations handling.
4232 2021-01-29 Nathan Sidwell <nathan@acm.org>
4235 * module.cc (module_state_config): Add num_entities field.
4236 (module_state::read_entities): The entity_ary span is
4238 (module_state::write_config): Write num_entities.
4239 (module_state::read_config): Read num_entities.
4240 (module_state::write): Set config's num_entities.
4241 (module_state::read_initial): Allocate the entity ary
4243 (module_state::read_language): Do not set entity_lwm
4246 2021-01-29 Marek Polacek <polacek@redhat.com>
4249 * parser.c (cp_parser_class_name): If parser->scope is
4250 error_mark_node, return it, otherwise continue.
4252 2021-01-28 Jakub Jelinek <jakub@redhat.com>
4255 * typeck.c (build_x_indirect_ref): For *this, return current_class_ref.
4257 2021-01-28 Jakub Jelinek <jakub@redhat.com>
4261 * decl.c (cp_finish_decl): For register vars with asmspec in templates
4262 call set_user_assembler_name and set DECL_HARD_REGISTER.
4263 * pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars,
4264 pass asmspec_tree to cp_finish_decl.
4266 2021-01-28 Nathan Sidwell <nathan@acm.org>
4269 * module.cc (trees_out::decl_value): Swap is_typedef & TYPE_NAME
4271 (trees_in::decl_value): Do typedef frobbing only when installing
4272 a new typedef, adjust is_matching_decl call. Swap is_typedef
4274 (trees_in::is_matching_decl): Add is_typedef parm. Adjust variable
4275 names and deal with typedef checking.
4277 2021-01-27 Jason Merrill <jason@redhat.com>
4280 * name-lookup.c (lookup_using_decl): Clean up handling
4281 of dependency and inherited constructors.
4282 (finish_nonmember_using_decl): Handle DECL_DEPENDENT_P.
4283 * pt.c (tsubst_expr): Handle DECL_DEPENDENT_P.
4285 2021-01-26 Jason Merrill <jason@redhat.com>
4288 * call.c (type_passed_as): Don't mark invisiref restrict.
4290 2021-01-26 Jason Merrill <jason@redhat.com>
4294 * class.c (layout_class_type): An empty field gets size 0.
4295 (is_empty_field): New.
4296 (check_bases): Check it.
4297 * cp-tree.h (is_empty_field): Declare it.
4298 * constexpr.c (cxx_eval_store_expression): Check it.
4299 (cx_check_missing_mem_inits): Likewise.
4300 * init.c (perform_member_init): Likewise.
4301 * typeck2.c (process_init_constructor_record): Likewise.
4303 2021-01-25 Martin Sebor <msebor@redhat.com>
4306 * cvt.c (cp_fold_convert): Propagate TREE_NO_WARNING.
4308 2021-01-25 Jason Merrill <jason@redhat.com>
4311 * constexpr.c (get_or_insert_ctor_field): Add check.
4312 (cxx_eval_store_expression): Handle discontinuity of refs.
4314 2021-01-23 Anthony Sharp <anthonysharp15@gmail.com>
4316 * call.c (complain_about_access): Altered function.
4317 * cp-tree.h (complain_about_access): Changed parameters of function.
4318 (get_parent_with_private_access): Declared new function.
4319 * search.c (get_parent_with_private_access): Defined new function.
4320 * semantics.c (enforce_access): Modified function.
4321 * typeck.c (complain_about_unrecognized_member): Updated function
4322 arguments in complain_about_access.
4324 2021-01-23 Patrick Palka <ppalka@redhat.com>
4327 * cp-tree.h (shared_member_p): Adjust declaration.
4328 * parser.c (cp_parser_init_declarator): If the storage class
4329 specifier is sc_static, pass true for static_p to
4330 cp_parser_declarator.
4331 (cp_parser_direct_declarator): Don't do inject_this_parm when
4332 the declarator is a friend.
4333 * search.c (shared_member_p): Change return type to bool and
4334 adjust function body accordingly. Return false for a dependent
4335 USING_DECL instead of aborting.
4336 * semantics.c (finish_qualified_id_expr): Rely on shared_member_p
4337 even when type-dependent.
4339 2021-01-22 Marek Polacek <polacek@redhat.com>
4342 * parser.c (inject_parm_decls): Remove a redundant assignment.
4343 (cp_parser_class_specifier_1): Clear current_class_{ptr,ref}
4344 before calling inject_parm_decls.
4346 2021-01-22 Jason Merrill <jason@redhat.com>
4349 * call.c (make_base_init_ok): Use DECL_HAS_VTT_PARM_P.
4351 2021-01-22 Jakub Jelinek <jakub@redhat.com>
4354 * init.c (build_zero_init_1): Revert the 2018-03-06 change to
4355 return build_zero_cst for reference types.
4356 * typeck2.c (process_init_constructor_record): Instead call
4357 build_zero_cst here during error recovery instead of build_zero_init.
4359 2021-01-22 Marek Polacek <polacek@redhat.com>
4362 * mangle.c (write_member_name): Emit abi_warn_or_compat_version_crosses
4363 warnings regardless of abi_version_at_least.
4364 (write_expression): When the expression is a dependent name
4365 and an operator name, write "on" before writing its name.
4367 2021-01-22 Marek Polacek <polacek@redhat.com>
4370 * pt.c (instantiate_class_template_1): Instantiate members
4371 marked with attribute used only after we're done instantiating
4374 2021-01-21 Patrick Palka <ppalka@redhat.com>
4377 * semantics.c (finish_decltype_type): Set up a cp_unevaluated
4378 sentinel at the start of the function. Remove a now-redundant
4379 manual adjustment of cp_unevaluated_operand.
4381 2021-01-21 Nathan Sidwell <nathan@acm.org>
4384 * module.cc (depset::hash::find_dependencies): Add
4386 (trees_out::core_vals): Check state before calling
4388 (sort_cluster, module_state::write): Adjust
4389 find_dependencies call.
4391 2021-01-21 Jakub Jelinek <jakub@redhat.com>
4394 * constexpr.c (check_for_return_continue_data): Add break_stmt member.
4395 (check_for_return_continue): Also look for BREAK_STMT. Handle
4396 SWITCH_STMT by ignoring break_stmt from its body.
4397 (potential_constant_expression_1) <case FOR_STMT>,
4398 <case WHILE_STMT>: If the condition isn't constant true, check if
4399 the loop body can contain a return stmt.
4400 <case SWITCH_STMT>: Adjust check_for_return_continue_data initializer.
4401 <case IF_STMT>: If recursion with tf_none is successful,
4402 merge *jump_target from the branches - returns with highest priority,
4403 breaks or continues lower. If then branch is potentially constant and
4404 doesn't return, check the else branch if it could return, break or
4407 2021-01-21 Nathan Sidwell <nathan@acm.org>
4410 * name-lookup.c (lookup_class_binding): Rearrange a stat-hack.
4412 2021-01-20 Nathan Sidwell <nathan@acm.org>
4414 * module.cc (bytes_in::i, bytes_in::wi): Avoid left shift of
4417 2021-01-20 Patrick Palka <ppalka@redhat.com>
4420 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: If tsubsting
4421 CLASS_PLACEHOLDER_TEMPLATE yields a TEMPLATE_TEMPLATE_PARM,
4422 adjust to its TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL.
4424 2021-01-20 Patrick Palka <ppalka@redhat.com>
4427 * parser.c (cp_parser_class_head): Defer access checking when
4428 parsing the base-clause until all bases are seen and attached
4430 * pt.c (instantiate_class_template): Likewise when substituting
4431 into dependent bases.
4433 2021-01-20 Jakub Jelinek <jakub@redhat.com>
4436 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_DETACH>: If
4437 error_operand_p, remove clause without further checking. Check
4438 for non-NULL TYPE_NAME.
4440 2021-01-19 Marek Polacek <polacek@redhat.com>
4443 * pt.c (maybe_instantiate_noexcept): Return false if FN is
4446 2021-01-19 Marek Polacek <polacek@redhat.com>
4449 * name-lookup.c (push_using_decl_bindings): New, broken out of...
4450 (finish_nonmember_using_decl): ...here.
4451 * name-lookup.h (push_using_decl_bindings): Update declaration.
4452 * pt.c (tsubst_expr): Update the call to push_using_decl_bindings.
4454 2021-01-19 Patrick Palka <ppalka@redhat.com>
4458 * search.c (friend_accessible_p): If scope is a hidden friend
4459 defined inside a dependent class, consider access from the
4461 * parser.c (cp_parser_late_parsing_for_member): Don't push a
4462 dk_no_check access state.
4464 2021-01-19 Marek Polacek <polacek@redhat.com>
4467 * parser.c (cp_parser_class_specifier_1): Perform late-parsing
4468 of NSDMIs before late-parsing of noexcept-specifiers.
4470 2021-01-19 Nathan Sidwell <nathan@acm.org>
4472 * module.cc (identifier): Merge overloads.
4474 2021-01-19 Nathan Sidwell <nathan@acm.org>
4477 * module.cc (trees_out::write_location): Make static.
4479 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
4481 * parser.c (cp_parser_omp_clause_detach): New.
4482 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH.
4483 (OMP_TASK_CLAUSE_MASK): Add mask for PRAGMA_OMP_CLAUSE_DETACH.
4484 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4485 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4486 Prevent use of detach with mergeable and overriding the data sharing
4487 mode of the event handle.
4489 2021-01-15 Nathan Sidwell <nathan@acm.org>
4492 * tree.c (cp_build_qualified_type_real): Propagate an array's
4493 dependentness to the copy, if known.
4495 2021-01-15 Jason Merrill <jason@redhat.com>
4498 * call.c (unsafe_return_slot_p): Return int.
4499 (init_by_return_slot_p): Split out from...
4500 (unsafe_copy_elision_p): ...here.
4501 (unsafe_copy_elision_p_opt): New name for old meaning.
4502 (build_over_call): Adjust.
4503 (make_safe_copy_elision): New.
4504 * typeck2.c (split_nonconstant_init_1): Elide copy from safe
4505 list-initialization.
4506 * cp-tree.h: Adjust.
4508 2021-01-15 Jason Merrill <jason@redhat.com>
4510 * call.c (base_ctor_for, make_base_init_ok): New.
4511 (build_over_call): Use make_base_init_ok.
4513 2021-01-15 Jason Merrill <jason@redhat.com>
4516 * tree.c (build_vec_init_expr): Don't call build_vec_init_elt
4517 if we got a CONSTRUCTOR.
4519 2021-01-15 Nathan Sidwell <nathan@acm.org>
4522 * lang-specs.h: Fix handling of -fmodule-only with -fsyntax-only.
4524 2021-01-14 Jason Merrill <jason@redhat.com>
4526 * typeck2.c (process_init_constructor_record): Use fldtype
4527 variable consistently.
4529 2021-01-14 Nathan Sidwell <nathan@acm.org>
4532 * tree.c (cp_tree_equal): Correct map_context logic.
4534 2021-01-13 Marek Polacek <polacek@redhat.com>
4537 * name-lookup.c (push_using_decl_bindings): New.
4538 * name-lookup.h (push_using_decl_bindings): Declare.
4539 * pt.c (tsubst_expr): Call push_using_decl_bindings.
4541 2021-01-13 Nathan Sidwell <nathan@acm.org>
4544 * module.cc (module_add_import_initializers): Pass a
4545 zero-element argument vector.
4547 2021-01-12 Patrick Palka <ppalka@redhat.com>
4550 * tree.c (cp_walk_subtrees) <case TEMPLATE_TYPE_PARM>: Visit
4551 the template of a CTAD placeholder.
4553 2021-01-12 Marek Polacek <polacek@redhat.com>
4556 * typeck2.c (process_init_constructor_record): Don't emit
4557 -Wmissing-field-initializers warnings in unevaluated contexts.
4559 2021-01-11 Jakub Jelinek <jakub@redhat.com>
4562 * class.c (find_abi_tags_r): Set *walk_subtrees to 2 instead of 1
4564 (mark_abi_tags_r): Likewise.
4565 * decl2.c (min_vis_r): Likewise.
4566 * tree.c (cp_walk_subtrees): If *walk_subtrees_p is 2, look through
4569 2021-01-08 Patrick Palka <ppalka@redhat.com>
4572 * constexpr.c (cxx_eval_call_expression): Check CLASS_TYPE_P
4573 instead of AGGREGATE_TYPE_P before calling replace_result_decl.
4575 2021-01-08 Patrick Palka <ppalka@redhat.com>
4578 * semantics.c (check_accessibility_of_qualified_id): Punt if
4579 we're checking access of a scoped non-static member inside a
4582 2021-01-07 Jakub Jelinek <jakub@redhat.com>
4585 * pt.c (tsubst_copy) <case BIT_CAST_EXPR>: Don't call
4586 cp_build_bit_cast here, instead just build_min a BIT_CAST_EXPR and set
4588 (tsubst_copy_and_build): Handle BIT_CAST_EXPR.
4590 2021-01-07 Marek Polacek <polacek@redhat.com>
4593 * decl.c (grokdeclarator): Move the !funcdecl_p check inside the
4594 !late_return_type block.
4596 2021-01-07 Jason Merrill <jason@redhat.com>
4598 * constexpr.c (cxx_bind_parameters_in_call): Add comment.
4599 (cxx_eval_store_expression): Add comment.
4601 2021-01-07 Jason Merrill <jason@redhat.com>
4603 * call.c (has_next): Factor out from...
4604 (next_conversion): ...here.
4605 (strip_standard_conversion): And here.
4606 (is_subseq): And here.
4607 (build_conv): Check it.
4608 (standard_conversion): Don't call build_conv
4611 2021-01-06 Martin Sebor <msebor@redhat.com>
4614 * error.c (dump_expr): Call c_pretty_printer::unary_expression.
4616 2021-01-05 Patrick Palka <ppalka@redhat.com>
4618 * pt.c (unify) <case TEMPLATE_PARM_INDEX>: After walking into
4619 the type of the NTTP, substitute into the type again. If the
4620 type is still dependent, don't unify the NTTP.
4622 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4624 * Make-lang.in (cc1plus-checksum, cc1plus$(exeext): Add
4625 $(CODYLIB) after $(BACKEND).
4627 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4630 * constexpr.c (cxx_eval_constant_expression) <case BIT_CAST_EXPR>:
4631 Punt if lval is true.
4632 * semantics.c (cp_build_bit_cast): Call get_target_expr_sfinae on
4633 the result if it has a class type.
4635 2021-01-05 Marek Polacek <polacek@redhat.com>
4638 * pt.c (resolve_overloaded_unification): Call
4639 maybe_instantiate_noexcept after instantiating the function
4642 2021-01-05 Nathan Sidwell <nathan@acm.org>
4644 * parser.c (cp_parser_module_declaration): Alter diagnostic
4645 text to say where is permissable.
4647 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4650 * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS).
4652 2021-01-02 Jan Hubicka <jh@suse.cz>
4654 * cp-tree.h (cp_tree_c_finish_parsing): Declare.
4655 * decl2.c (c_parse_final_cleanups): Call cp_tree_c_finish_parsing.
4656 * tree.c (cp_tree_c_finish_parsing): New function.
4658 2021-01-01 Jakub Jelinek <jakub@redhat.com>
4660 * ChangeLog-2020: Rotate ChangeLog. New file.
4663 Copyright (C) 2021 Free Software Foundation, Inc.
4665 Copying and distribution of this file, with or without modification,
4666 are permitted in any medium without royalty provided the copyright
4667 notice and this notice are preserved.