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1 2021-11-23 Martin Sebor <msebor@redhat.com>
3 PR c++/96507
4 * typeck.c (warn_for_null_address): Handle reference members.
6 2021-11-23 Marek Polacek <polacek@redhat.com>
8 PR c++/19808
9 * init.c (emit_mem_initializers): Don't add is_really_empty_class
10 members into uninitialized.
12 2021-11-23 Jakub Jelinek <jakub@redhat.com>
14 * semantics.c (clone_omp_udr): Don't initialize
15 id.transform_lang_insert_block.
16 * optimize.c (clone_body): Likewise.
18 2021-11-22 Jason Merrill <jason@redhat.com>
20 * typeck.c (build_x_unary_op): Set address location.
21 (convert_member_func_to_ptr): Handle location wrapper.
22 * pt.c (convert_nontype_argument): Likewise.
24 2021-11-22 Jason Merrill <jason@redhat.com>
26 * typeck.c (check_return_expr): Only strip location wrapper during
27 NRV handling.
29 2021-11-22 Jakub Jelinek <jakub@redhat.com>
31 PR c++/101731
32 * parser.c (cp_parser_late_parsing_oacc_routine): Set
33 parser->oacc_routine->fndecl_seen here, rather than ...
34 (cp_finalize_oacc_routine): ... here. Don't error if
35 parser->oacc_routine->fndecl_seen is set for FUNCTION_DECLs.
37 2021-11-22 Jakub Jelinek <jakub@redhat.com>
39 PR c++/103349
40 * constexpr.c (potential_constant_expression_1): Punt on OMP_MASKED.
42 2021-11-19 Jakub Jelinek <jakub@redhat.com>
44 PR c++/101180
45 * pt.c (apply_late_template_attributes): Temporarily override
46 current_optimize_pragma, optimization_current_node,
47 current_target_pragma and scope_chain->omp_declare_target_attribute,
48 so that cplus_decl_attributes doesn't add implicit attributes.
50 2021-11-19 Martin Sebor <msebor@redhat.com>
52 PR c++/33925
53 PR c/102867
54 * typeck.c (warn_for_null_address): Suppress warnings for code
55 resulting from macro expansion.
57 2021-11-19 Martin Liska <mliska@suse.cz>
59 Revert:
60 2021-11-19 Martin Liska <mliska@suse.cz>
62 * parser.c (add_debug_begin_stmt): Use option directly.
64 2021-11-19 Patrick Palka <ppalka@redhat.com>
66 * tree.c (cp_walk_subtrees) <case *_CAST_EXPR>: Don't explicitly
67 walk the operands.
69 2021-11-19 Patrick Palka <ppalka@redhat.com>
71 PR c++/94376
72 * lambda.c (lambda_capture_field_type): Simplify by handling the
73 is_this case first. When capturing by-value a capture proxy,
74 consider the type of the corresponding field instead.
76 2021-11-19 Richard Biener <rguenther@suse.de>
78 PR c++/103326
79 * pt.c (tsubst_copy): Handle VECTOR_CST.
81 2021-11-19 Jakub Jelinek <jakub@redhat.com>
83 PR c++/70796
84 * cp-gimplify.c (cp_gimplify_arg): New function.
85 (cp_gimplify_expr): Use cp_gimplify_arg instead of gimplify_arg,
86 pass true as last argument to it if there are any following
87 arguments in strong evaluation order with side-effects.
89 2021-11-19 Marek Polacek <polacek@redhat.com>
91 PR c++/19808
92 PR c++/96121
93 * init.c (perform_member_init): Remove a forward declaration.
94 Walk the initializer using find_uninit_fields_r. New parameter
95 to track uninitialized fields. If a member is initialized,
96 remove it from the hash set.
97 (perform_target_ctor): Return the initializer.
98 (struct find_uninit_data): New class.
99 (find_uninit_fields_r): New function.
100 (find_uninit_fields): New function.
101 (emit_mem_initializers): Keep and initialize a set holding fields
102 that are not initialized. When handling delegating constructors,
103 walk the constructor tree using find_uninit_fields_r. Also when
104 initializing base clases. Pass uninitialized down to
105 perform_member_init.
107 2021-11-19 Patrick Palka <ppalka@redhat.com>
109 PR c++/103198
110 * pt.c (any_template_parm_r): Walk the TREE_TYPE of a dummy
111 object.
113 2021-11-18 Marek Polacek <polacek@redhat.com>
115 PR c++/103049
116 * semantics.c (finish_compound_literal): Accept C++23 auto{x}.
117 * typeck2.c (build_functional_cast_1): Accept C++23 auto(x).
119 2021-11-18 Patrick Palka <ppalka@redhat.com>
121 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Disable the
122 -fpermissive fallback for C++20 template-id ADL, but keep the
123 diagnostic.
125 2021-11-18 Jan Hubicka <hubicka@ucw.cz>
127 * decl.c (finish_function): Update use of decl_replaceable_p.
129 2021-11-18 Patrick Palka <ppalka@redhat.com>
131 PR c++/99911
132 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Don't diagnose
133 name lookup failure if the arguments to an unresolved template
134 name are still dependent.
136 2021-11-18 Patrick Palka <ppalka@redhat.com>
138 PR c++/102670
139 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: When looking
140 for an identifier callee in the koenig_p case, also look through
141 TEMPLATE_ID_EXPR. Use tsubst_copy to substitute through the
142 template arguments of the template-id.
144 2021-11-18 Matthias Kretz <m.kretz@gsi.de>
146 * constexpr.c (cxx_eval_constant_expression): Handle PAREN_EXPR
147 via cxx_eval_constant_expression.
148 * cp-objcp-common.c (names_builtin_p): Handle
149 RID_BUILTIN_ASSOC_BARRIER.
150 * cp-tree.h: Adjust TREE_LANG_FLAG documentation to include
151 PAREN_EXPR in REF_PARENTHESIZED_P.
152 (REF_PARENTHESIZED_P): Add PAREN_EXPR.
153 * parser.c (cp_parser_postfix_expression): Handle
154 RID_BUILTIN_ASSOC_BARRIER.
155 * pt.c (tsubst_copy_and_build): If the PAREN_EXPR is not a
156 parenthesized initializer, build a new PAREN_EXPR.
157 * semantics.c (force_paren_expr): Simplify conditionals. Set
158 REF_PARENTHESIZED_P on PAREN_EXPR.
159 (maybe_undo_parenthesized_ref): Test PAREN_EXPR for
160 REF_PARENTHESIZED_P.
162 2021-11-18 Martin Liska <mliska@suse.cz>
164 * parser.c (add_debug_begin_stmt): Use option directly.
166 2021-11-16 Jason Merrill <jason@redhat.com>
168 * ptree.c (cxx_print_xnode): Handle PTRMEM_CST.
170 2021-11-15 Jason Merrill <jason@redhat.com>
172 * cp-tree.h (struct lang_decl_fn): Add implicit_constexpr.
173 (decl_implicit_constexpr_p): New.
174 * class.c (type_maybe_constexpr_destructor): Use
175 TYPE_HAS_TRIVIAL_DESTRUCTOR and maybe_constexpr_fn.
176 (finalize_literal_type_property): Simplify.
177 * constexpr.c (is_valid_constexpr_fn): Check for dtor.
178 (maybe_save_constexpr_fundef): Try to set DECL_DECLARED_CONSTEXPR_P
179 on inlines.
180 (cxx_eval_call_expression): Use maybe_constexpr_fn.
181 (maybe_constexpr_fn): Handle flag_implicit_constexpr.
182 (var_in_maybe_constexpr_fn): Use maybe_constexpr_fn.
183 (potential_constant_expression_1): Likewise.
184 (decl_implicit_constexpr_p): New.
185 * decl.c (validate_constexpr_redeclaration): Allow change with
186 -fimplicit-constexpr.
187 (grok_special_member_properties): Use maybe_constexpr_fn.
188 * error.c (dump_function_decl): Don't print 'constexpr'
189 if it's implicit.
190 * Make-lang.in (check-c++-all): Update.
192 2021-11-15 Jason Merrill <jason@redhat.com>
194 * typeck2.c (split_nonconstant_init_1): Handle flexarrays better.
196 2021-11-15 Jakub Jelinek <jakub@redhat.com>
198 * parser.c (OMP_TARGET_CLAUSE_MASK): Add
199 PRAGMA_OMP_CLAUSE_THREAD_LIMIT.
201 2021-11-15 Jason Merrill <jason@redhat.com>
203 * call.c (perform_implicit_conversion_flags): Use the location of
204 the argument.
205 * lambda.c (build_lambda_object): Set location on the TARGET_EXPR.
207 2021-11-15 Jason Merrill <jason@redhat.com>
209 * constexpr.c (maybe_save_constexpr_fundef): Also check whether the
210 body of a constructor is potentially constant.
212 2021-11-15 Jason Merrill <jason@redhat.com>
214 * semantics.c (is_this_parameter): Check DECL_HAS_VALUE_EXPR_P
215 instead of is_capture_proxy.
217 2021-11-15 Jason Merrill <jason@redhat.com>
219 PR c++/70690
220 * init.c (build_vec_init): Check default_init_uninitialized_part in
221 C++20.
223 2021-11-15 Jason Merrill <jason@redhat.com>
225 * constexpr.c (maybe_constant_value): Don't evaluate
226 in an unevaluated operand unless manifestly const-evaluated.
227 (fold_non_dependent_expr_template): Likewise.
228 * decl.c (compute_array_index_type_loc): This context is
229 manifestly constant-evaluated.
231 2021-11-15 Jason Merrill <jason@redhat.com>
233 * constexpr.c (cxx_eval_thunk_call): Error instead of ICE
234 on vbase thunk to constexpr function.
236 2021-11-11 Patrick Palka <ppalka@redhat.com>
238 * parser.c (cp_parser_template_argument_list): Use auto_vec
239 instead of manual memory management.
241 2021-11-11 Jakub Jelinek <jakub@redhat.com>
243 * parser.c (cp_parser_omp_clause_num_teams): Parse optional
244 lower-bound and store it into OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR.
245 Use OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR instead of
246 OMP_CLAUSE_NUM_TEAMS_EXPR.
247 (cp_parser_omp_target): For OMP_CLAUSE_NUM_TEAMS evaluate before
248 combined target teams even lower-bound expression.
249 * semantics.c (finish_omp_clauses): Handle
250 OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR of OMP_CLAUSE_NUM_TEAMS clause.
251 * pt.c (tsubst_omp_clauses): Likewise.
252 (tsubst_expr): For OMP_CLAUSE_NUM_TEAMS evaluate before
253 combined target teams even lower-bound expression.
255 2021-11-09 Marek Polacek <polacek@redhat.com>
257 * class.c (default_init_uninitialized_part): Use
258 next_initializable_field.
259 * method.c (walk_field_subobs): Skip unnamed bit-fields.
261 2021-11-09 Jakub Jelinek <jakub@redhat.com>
263 PR c++/103114
264 * parser.c (cp_parser_userdef_numeric_literal): Use fold_build2
265 with COMPLEX_EXPR arg instead of build_complex, use build_zero_cst
266 instead of fold_convert from integer_zero_node.
268 2021-11-09 Patrick Palka <ppalka@redhat.com>
270 PR c++/98394
271 PR c++/85846
272 * parser.c (cp_parser_placeholder_type_specifier): Declare
273 static. Don't override tentative to false when tmpl is a
274 concept-id with empty argument list. Don't emit a "does not
275 constrain a type" error when tentative.
277 2021-11-09 Patrick Palka <ppalka@redhat.com>
279 PR c++/100652
280 * pt.c (push_template_decl): Check for bare parameter packs in
281 the argument list of a variable template partial specialization.
283 2021-11-09 Aldy Hernandez <aldyh@redhat.com>
285 * ptree.c (cxx_print_xnode): Add more space to pfx array.
287 2021-11-04 Jason Merrill <jason@redhat.com>
289 * call.c (build_array_conv): Use range-for.
290 (build_complex_conv): Likewise.
291 * constexpr.c (clear_no_implicit_zero)
292 (reduced_constant_expression_p): Likewise.
293 * decl.c (cp_complete_array_type): Likewise.
294 * decl2.c (mark_vtable_entries): Likewise.
295 * pt.c (iterative_hash_template_arg):
296 (invalid_tparm_referent_p, unify)
297 (type_dependent_expression_p): Likewise.
298 * typeck.c (build_ptrmemfunc_access_expr): Likewise.
300 2021-11-03 Joseph Myers <joseph@codesourcery.com>
302 PR c/103031
303 * cvt.c (convert_init): New function.
305 2021-11-02 Richard Sandiford <richard.sandiford@arm.com>
307 * decl.c: Include langhooks-def.h.
308 (cxx_simulate_record_decl): New function.
309 * cp-objcp-common.h (cxx_simulate_record_decl): Declare.
310 (LANG_HOOKS_SIMULATE_RECORD_DECL): Override.
312 2021-10-29 Jakub Jelinek <jakub@redhat.com>
314 PR c++/102820
315 * semantics.c (maybe_zero_constructor_nelts): New function.
316 (finish_compound_literal): Implement DR2351 - void{}.
317 If type is cv void and compound_literal has no elements, return
318 void_node. If type is cv void and compound_literal might have no
319 elements after expansion, handle it like other dependent compound
320 literals.
322 2021-10-28 Patrick Palka <ppalka@redhat.com>
324 PR c++/102933
325 * parser.c (cp_parser_simple_type_specifier): Adjust diagnostic
326 for using auto in parameter declaration.
327 * pt.c (extract_autos_r): Ignore CTAD placeholders.
328 (extract_autos): Use range-based for.
329 (do_auto_deduction): Use extract_autos only for the concepts TS
330 and not also for standard concepts.
331 (type_uses_auto): Likewise with for_each_template_parm.
332 (check_auto_in_tmpl_args): Just return false outside of the
333 concepts TS. Simplify.
335 2021-10-28 Patrick Palka <ppalka@redhat.com>
337 PR c++/102780
338 * constexpr.c (potential_constant_expression_1) <case TRUTH_*_EXPR>:
339 When tf_error isn't set, preemptively check potentiality of the
340 second operand before performing trial evaluation of the first
341 operand.
342 (potential_constant_expression_1): When tf_error is set, first check
343 potentiality quietly and return true if successful, otherwise
344 proceed noisily to give errors.
346 2021-10-27 Jakub Jelinek <jakub@redhat.com>
348 PR c++/102854
349 * semantics.c (handle_omp_for_class_iterator,
350 finish_omp_for): Adjust c_omp_check_loop_iv_exprs caller.
352 2021-10-27 Jakub Jelinek <jakub@redhat.com>
354 PR c++/102753
355 * constexpr.c (cxx_eval_outermost_constant_expr): Perform
356 find_immediate_fndecl discovery if is_consteval or
357 in_immediate_context () rather than if is_consteval, t != r
358 and not in immediate function's body.
360 2021-10-27 Jakub Jelinek <jakub@redhat.com>
362 PR c++/102753
363 * cp-tree.h (saved_scope): Document that consteval_if_p member
364 is also set while processing immediate invocation.
365 (in_immediate_context): Declare.
366 * call.c (in_immediate_context): New function.
367 (immediate_invocation_p): Use it.
368 (struct in_consteval_if_p_temp_override): New class.
369 (build_over_call): Temporarily set in_consteval_if_p for processing
370 immediate invocation arguments.
371 * typeck.c (cp_build_addr_expr_1): Diagnose taking address of
372 an immediate method. Use t instead of TREE_OPERAND (arg, 1).
373 Use in_immediate_context function.
374 * constexpr.c (find_immediate_fndecl): Handle PTRMEM_CST
375 which refers to immediate function decl.
377 2021-10-26 Marek Polacek <polacek@redhat.com>
379 PR c++/102617
380 * parser.c (cp_parser_for): Maybe call cp_parser_init_statement
381 twice. Warn about range-based for loops with initializer here.
382 (cp_parser_init_statement): Don't duplicate code. Allow
383 alias-declaration in init-statement.
385 2021-10-22 Eric Gallager <egallager@gcc.gnu.org>
387 PR other/102663
388 * Make-lang.in: Add dummy c++.install-dvi target.
390 2021-10-20 Jason Merrill <jason@redhat.com>
392 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
393 Pass true for declarator_p.
394 (cp_parser_nested_name_specifier_opt): Only look through
395 TYPENAME_TYPE if check_dependency_p is false.
397 2021-10-20 Jakub Jelinek <jakub@redhat.com>
399 PR c++/102642
400 * name-lookup.c (push_local_extern_decl_alias): Don't call
401 set_decl_tls_model on error_mark_node.
402 * decl.c (make_rtl_for_nonlocal_decl): Don't call
403 set_user_assembler_name on error_mark_node.
404 * parser.c (cp_parser_oacc_declare): Ignore DECL_LOCAL_DECL_ALIAS
405 if it is error_mark_node.
406 (cp_parser_omp_declare_target): Likewise.
408 2021-10-19 Jakub Jelinek <jakub@redhat.com>
410 PR c++/102786
411 * constexpr.c (cxx_eval_constant_expression): Don't reject
412 INTEGER_CSTs with type POINTER_TYPE to METHOD_TYPE.
414 2021-10-15 Jason Merrill <jason@redhat.com>
416 PR c++/51851
417 PR c++/101402
418 PR c++/102033
419 PR c++/102034
420 PR c++/102039
421 PR c++/102044
422 * pt.c (determine_specialization): Remove redundant code.
423 (fn_type_unification): Check for mismatched length.
424 (type_unification_real): Ignore terminal void.
425 (get_bindings): Don't stop at void_list_node.
426 * class.c (resolve_address_of_overloaded_function): Likewise.
428 2021-10-15 Jason Merrill <jason@redhat.com>
430 * constexpr.c (cxx_bind_parameters_in_call): Replace
431 new_call parameter with fun.
432 (cxx_eval_call_expression): Call it before instantiation.
433 (cxx_eval_outermost_constant_expr): Only instantiate fns
434 when manifestly_const_eval.
435 * typeck2.c (check_narrowing): This context is manifestly
436 constant-evaluated.
438 2021-10-14 Kwok Cheung Yeung <kcy@codesourcery.com>
440 * decl.c (omp_declare_variant_finalize_one): Change call from
441 c_omp_mark_declare_variant to omp_mark_declare_variant.
442 * parser.c (cp_finish_omp_declare_variant): Change call from
443 c_omp_check_context_selector to omp_check_context_selector.
445 2021-10-09 Jakub Jelinek <jakub@redhat.com>
447 * parser.c (cp_parser_omp_structured_block): Remove disallow_omp_attrs
448 argument.
449 (cp_parser_omp_structured_block_sequence): New function.
450 (cp_parser_omp_scan_loop_body): Use it.
451 (cp_parser_omp_sections_scope): Likewise.
453 2021-10-08 Martin Liska <mliska@suse.cz>
455 * constexpr.c (maybe_warn_about_constant_value): Use new macro
456 OPTION_SET_P.
457 * decl.c (redeclaration_error_message): Likewise.
458 (cxx_init_decl_processing): Likewise.
460 2021-10-08 Jakub Jelinek <jakub@redhat.com>
462 PR c++/102640
463 * parser.c (handle_omp_declare_target_clause): New function.
464 (cp_parser_omp_declare_target): Use it.
466 2021-10-07 Patrick Palka <ppalka@redhat.com>
468 PR c++/61355
469 * pt.c (convert_template_argument): Perform array/function to
470 pointer conversion on the substituted type of an NTTP.
472 2021-10-07 Patrick Palka <ppalka@redhat.com>
474 PR c++/99904
475 * pt.c (is_compatible_template_arg): Set processing_template_decl
476 around tsubst_constraint_info.
478 2021-10-07 Jonathan Wakely <jwakely@redhat.com>
480 PR c++/102482
481 * init.c (maybe_warn_list_ctor): Do not warn for a reference to
482 a non-const std::initializer_list.
484 2021-10-06 Jakub Jelinek <jakub@redhat.com>
486 PR c++/102612
487 * parser.c (cp_parser_jump_statement): Implement C++23 P2242R3.
488 Allow goto expressions in constexpr function bodies for C++23.
489 Adjust error message for older standards to mention it.
490 * decl.c (start_decl): Allow static and thread_local declarations
491 in constexpr function bodies for C++23. Adjust error message for
492 older standards to mention it.
493 * constexpr.c (ensure_literal_type_for_constexpr_object): Allow
494 declarations of variables with non-literal type in constexpr function
495 bodies for C++23. Adjust error message for older standards to mention
496 it.
497 (cxx_eval_constant_expression) <case DECL_EXPR>: Diagnose declarations
498 of initialization of static or thread_local vars.
499 (cxx_eval_constant_expression) <case GOTO_EXPR>: Diagnose goto
500 statements for C++23.
501 (potential_constant_expression_1) <case DECL_EXPR>: Swap the
502 CP_DECL_THREAD_LOCAL_P and TREE_STATIC checks.
503 (potential_constant_expression_1) <case LABEL_EXPR>: Allow labels for
504 C++23. Adjust error message for older standards to mention it.
506 2021-10-06 Jakub Jelinek <jakub@redhat.com>
507 Jason Merrill <jason@redhat.com>
509 PR c++/98712
510 PR c++/102490
511 * cp-tree.h (maybe_synthesize_method): Declare.
512 * method.c (genericize_spaceship): Use
513 LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of
514 LOOKUP_NORMAL for flags.
515 (comp_info): Remove defining member. Add complain, code, retcat.
516 (comp_info::comp_info): Adjust.
517 (do_one_comp): Split out from build_comparison_op. Use
518 LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of
519 LOOKUP_NORMAL for flags.
520 (build_comparison_op): Add defining argument. Adjust comp_info
521 construction. Use defining instead of info.defining. Assert that
522 if defining, ctype is a complete type. Walk base binfos.
523 (synthesize_method, maybe_explain_implicit_delete,
524 explain_implicit_non_constexpr): Adjust build_comparison_op callers.
525 (maybe_synthesize_method): New function.
526 * class.c (check_bases_and_members): Don't call defaulted_late_check
527 for sfk_comparison.
528 (finish_struct_1): Call it here instead after class has been
529 completed.
530 * pt.c (maybe_instantiate_noexcept): Call maybe_synthesize_method
531 instead of synthesize_method.
533 2021-10-05 Jakub Jelinek <jakub@redhat.com>
535 PR c++/102548
536 * tree.c (apply_identity_attributes): Fix handling of the
537 case where an attribute in the list doesn't affect type
538 identity but some attribute before it does.
540 2021-10-05 Patrick Palka <ppalka@redhat.com>
542 PR c++/102547
543 * constexpr.c (potential_constant_expression_1): Handle
544 NONTYPE_ARGUMENT_PACK.
546 2021-10-05 Patrick Palka <ppalka@redhat.com>
548 PR c++/98930
549 * pt.c (has_value_dependent_address): Return true for a static
550 local variable from a function template.
552 2021-10-04 Marek Polacek <polacek@redhat.com>
554 PR c++/97573
555 * typeck.c (cp_build_binary_op): Call do_warn_array_compare.
557 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
559 PR c++/101765
560 * coroutines.cc (register_local_var_uses): Emit a sorry if
561 we encounter a VLA in the coroutine local variables.
563 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
565 PR c++/99710
566 * coroutines.cc (await_statement_walker): Report an error if
567 an await expression is found in a handler body.
569 2021-10-03 John Eivind Helset <jehelset@gmail.com>
571 PR c++/100673
572 * coroutines.cc (build_co_await): Guard against NULL
573 await_suspend types.
575 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
577 PR c++/101133
578 * coroutines.cc (build_co_await): Mark co_await_expr trees
579 with TREE_SIDE_EFFECTS, also mark any containing expression.
580 (finish_co_await_expr): Mark type-dependent co_await_expr
581 trees with TREE_SIDE_EFFECTS.
583 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
585 PR c++/99575
586 * coroutines.cc (build_co_await): Strip NOPs from
587 candidate awaiter expressions before testing to see
588 if they need a temporary.
590 2021-10-01 Martin Sebor <msebor@redhat.com>
592 PR c/102103
593 * typeck.c (warn_for_null_address): Enhance.
594 (cp_build_binary_op): Call it also for member pointers.
596 2021-10-01 qingzhe huang <nickhuang99@hotmail.com>
598 PR c++/101783
599 * tree.c (cp_build_qualified_type_real): Exclude typedef from
600 error.
602 2021-10-01 Jakub Jelinek <jakub@redhat.com>
603 Richard Biener <rguenther@suse.de>
605 PR sanitizer/102515
606 * typeck.c (cp_build_binary_op): Call ubsan_instrument_division
607 for division even for SANITIZE_SI_OVERFLOW.
609 2021-10-01 Jakub Jelinek <jakub@redhat.com>
611 * parser.c (cp_parser_omp_clause_order): Set
612 OMP_CLAUSE_ORDER_REPRODUCIBLE for explicit reproducible: modifier.
614 2021-10-01 Jakub Jelinek <jakub@redhat.com>
616 PR c++/102496
617 * name-lookup.c (push_local_extern_decl_alias): Return early even for
618 tls vars with non-dependent type when processing_template_decl. For
619 CP_DECL_THREAD_LOCAL_P vars call set_decl_tls_model on alias.
621 2021-09-30 Patrick Palka <ppalka@redhat.com>
623 PR c++/102535
624 * method.c (is_xible_helper): Don't exit early for multi-arg
625 ctors in C++20.
627 2021-09-30 Patrick Palka <ppalka@redhat.com>
629 * parser.c (cp_parser_trait_expr): Call nreverse on the reversed
630 list of trailing arguments.
632 2021-09-30 Patrick Palka <ppalka@redhat.com>
634 PR c++/95567
635 * method.c (build_comparison_op): Skip DECL_VIRTUAL_P fields.
637 2021-09-28 Patrick Palka <ppalka@redhat.com>
639 PR c++/99909
640 * pt.c (coerce_template_template_parms): Keep
641 processing_template_decl set around the call to unify as well.
643 2021-09-28 Iain Sandoe <iain@sandoe.co.uk>
645 PR c++/102454
646 * coroutines.cc (analyze_fn_parms): Clean up synthetic names for
647 unnamed function params.
648 (morph_fn_to_coro): Do not try to set a guard variable for param
649 DTORs in the ramp, unless we have exceptions active.
651 2021-09-27 Patrick Palka <ppalka@redhat.com>
653 PR c++/102479
654 * pt.c (rewrite_template_parm): Handle single-level tsubst_args.
655 Avoid a tree cycle when assigning the DECL_TEMPLATE_PARMS for a
656 rewritten ttp.
657 (alias_ctad_tweaks): Set current_template_parms accordingly.
659 2021-09-23 Michel Morin <mimomorin@gmail.com>
661 * parser.c (cp_keyword_starts_decl_specifier_p): Do not
662 handle RID_ATTRIBUTE.
663 (cp_parser_constructor_declarator_p): Remove now-redundant
664 checks.
665 (cp_parser_lambda_declarator_opt): Likewise.
667 2021-09-23 Michel Morin <mimomorin@gmail.com>
669 PR c++/77565
670 * parser.c (cp_keyword_starts_decl_specifier_p): Handle more
671 decl-specifiers (typedef/inline/cv/explicit/virtual/friend).
673 2021-09-23 Patrick Palka <ppalka@redhat.com>
675 * ptree.c (cxx_print_decl): Dump the DECL_TEMPLATE_RESULT of
676 a TEMPLATE_DECL. Dump the DECL_TEMPLATE_INFO rather than just
677 printing its pointer value.
679 2021-09-23 Jakub Jelinek <jakub@redhat.com>
681 PR c++/102413
682 * parser.c (cp_parser_omp_directive_args): Diagnose if omp::directive
683 is not followed by a balanced token sequence starting with open paren.
685 2021-09-22 Patrick Palka <ppalka@redhat.com>
687 DR 2446
688 PR c++/102412
689 * constexpr.c (cxx_eval_constant_expression)
690 <case TEMPLATE_ID_EXPR>: Check value_dependent_expression_p
691 instead of processing_template_decl.
692 * pt.c (value_dependent_expression_p) <case TEMPLATE_ID_EXPR>:
693 Return true only if any_dependent_template_arguments_p.
694 (instantiation_dependent_r) <case CALL_EXPR>: Remove this case.
695 <case TEMPLATE_ID_EXPR>: Likewise.
697 2021-09-22 Jakub Jelinek <jakub@redhat.com>
699 * parser.c (cp_parser_omp_clause_allocate): Parse allocate clause
700 modifiers.
701 * semantics.c (finish_omp_clauses) <OMP_CLAUSE_ALLOCATE>: Perform
702 semantic analysis of OMP_CLAUSE_ALLOCATE_ALIGN.
703 * pt.c (tsubst_omp_clauses) <case OMP_CLAUSE_ALLOCATE>: Handle
704 also OMP_CLAUSE_ALLOCATE_ALIGN.
706 2021-09-22 Barrett Adair <barrettellisadair@gmail.com>
708 * pt.c (find_parm_usage_r): New walk_tree callback to find func
709 parms.
710 (any_template_arguments_need_structural_equality_p): New special
711 case.
713 2021-09-21 wangpc <pc.wang@linux.alibaba.com>
715 * decl.c (start_decl_1): Move verify_type_context to ...
716 (cp_finish_decl): ... to here.
718 2021-09-18 Jakub Jelinek <jakub@redhat.com>
720 * parser.c (cp_parser_omp_clause_order): Parse unconstrained
721 and reproducible modifiers.
722 (OMP_DISTRIBUTE_CLAUSE_MASK): Add order clause.
724 2021-09-18 Jakub Jelinek <jakub@redhat.com>
726 * parser.c (cp_parser_omp_clause_default): Handle private and
727 firstprivate arguments, adjust diagnostics on unknown argument.
728 * cp-gimplify.c (cxx_omp_finish_clause): Handle OMP_CLAUSE_PRIVATE.
730 2021-09-18 Jason Merrill <jason@redhat.com>
732 * cp-tree.h (dependentish_scope_p): Declare.
733 * pt.c (dependentish_scope_p): New.
734 * parser.c (cp_parser_lookup_name): Return a TYPENAME_TYPE
735 for lookup of a type in a dependent object.
736 (cp_parser_template_id): Handle TYPENAME_TYPE.
737 (cp_parser_template_name): If we're looking for a type,
738 a name followed by < names a template.
740 2021-09-18 Jason Merrill <jason@redhat.com>
742 * cp-tree.h: Fix typo in LANG_FLAG list.
744 2021-09-17 Jakub Jelinek <jakub@redhat.com>
746 * cp-tree.h (finish_omp_atomic): Add r and weak arguments.
747 * parser.c (cp_parser_omp_atomic): Update function comment for
748 OpenMP 5.1 atomics, parse OpenMP 5.1 atomics and fail, compare and
749 weak clauses.
750 * semantics.c (finish_omp_atomic): Add r and weak arguments, handle
751 them, handle COND_EXPRs.
752 * pt.c (tsubst_expr): Adjust for COND_EXPR forms that
753 finish_omp_atomic can now produce.
755 2021-09-16 Patrick Palka <ppalka@redhat.com>
757 PR c++/98486
758 * constraint.cc (get_normalized_constraints_from_decl): Always
759 look up constraints using the most general template.
760 * decl.c (grokdeclarator): Set constraints on a static data
761 member template.
762 * pt.c (determine_specialization): Check constraints on a
763 variable template.
765 2021-09-16 Iain Sandoe <iain@sandoe.co.uk>
767 * coroutines.cc (await_statement_walker): Code cleanups.
769 2021-09-16 Jason Merrill <jason@redhat.com>
771 * constexpr.c (cxx_eval_outermost_constant_expr): Use
772 protected_set_expr_location.
774 2021-09-15 Patrick Palka <ppalka@redhat.com>
776 PR c++/101904
777 * call.c (build_user_type_conversion_1): Add tf_conv to complain.
778 (add_candidates): When in a SFINAE context, instead of adding a
779 candidate to bad_fns just mark it unviable.
781 2021-09-15 Jason Merrill <jason@redhat.com>
783 * cp-tree.h (parsing_function_declarator): Declare.
784 * name-lookup.c (set_decl_context_in_fn): Use it.
785 * parser.c (cp_parser_direct_declarator): Use it.
786 (parsing_function_declarator): New.
788 2021-09-15 Jakub Jelinek <jakub@redhat.com>
790 PR c++/88578
791 PR c++/102295
792 * typeck2.c (split_nonconstant_init_1): Don't throw away empty
793 initializers of flexible array members if they have non-zero type
794 size.
796 2021-09-15 Patrick Palka <ppalka@redhat.com>
798 PR c++/102050
799 * decl.c (grok_special_member_properties): Set
800 TYPE_HAS_COPY_CTOR, TYPE_HAS_DEFAULT_CONSTRUCTOR
801 and TYPE_HAS_LIST_CTOR independently from each other.
803 2021-09-15 Jason Merrill <jason@redhat.com>
805 * decl.c (cxx_init_decl_processing): Only warn about odd
806 interference sizes if they were specified with --param.
808 2021-09-15 Jason Merrill <jason@redhat.com>
810 PR c++/48396
811 * cp-tree.h (enum cp_tree_index): Remove CPTI_TYPE_INFO_PTR_TYPE.
812 (type_info_ptr_type): Remove.
813 * rtti.c (init_rtti_processing): Don't predeclare std::type_info.
814 (typeid_ok_p): Check for null const_type_info_type_node.
815 (type_info_ptr_type, get_void_tinfo_ptr): New fns.
816 (get_tinfo_decl_dynamic, get_tinfo_ptr): Use them.
817 (ptr_initializer, ptm_initializer, get_pseudo_ti_init): Use them.
818 (get_tinfo_desc): Use const_ptr_type_node.
820 2021-09-15 Jason Merrill <jason@redhat.com>
822 * parser.c (cp_parser_template_name): Move object type.
823 (cp_parser_pre_parsed_nested_name_specifier): Likewise.
825 2021-09-15 Jason Merrill <jason@redhat.com>
827 * parser.c (cp_parser_unqualified_id): Only complain about ~A<T> in
828 a declarator.
830 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
832 * coroutines.cc (struct param_info): Add copy_var.
833 (build_actor_fn): Use simplified param references.
834 (register_param_uses): Likewise.
835 (rewrite_param_uses): Likewise.
836 (analyze_fn_parms): New function.
837 (coro_rewrite_function_body): Add proxies for the fn
838 parameters to the outer bind scope of the rewritten code.
839 (morph_fn_to_coro): Use simplified version of param ref.
841 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
843 * coroutines.cc (coro_resume_fn_id, coro_destroy_fn_id,
844 coro_promise_id, coro_frame_needs_free_id, coro_resume_index_id,
845 coro_self_handle_id, coro_actor_continue_id,
846 coro_frame_i_a_r_c_id): New.
847 (coro_init_identifiers): Initialize new name identifiers.
848 (coro_promise_type_found_p): Use pre-built identifiers.
849 (struct await_xform_data): Remove unused fields.
850 (transform_await_expr): Delete code that is now unused.
851 (build_actor_fn): Simplify interface, use pre-built identifiers and
852 remove transforms that are no longer needed.
853 (build_destroy_fn): Use revised field names.
854 (register_local_var_uses): Use pre-built identifiers.
855 (coro_rewrite_function_body): Simplify interface, use pre-built
856 identifiers. Generate proxy vars in the outer bind expr scope for the
857 implementation state that we wish to expose.
858 (morph_fn_to_coro): Adjust comments for new variable names, use pre-
859 built identifiers. Remove unused code to generate frame entries for
860 the implementation state. Adjust call for build_actor_fn.
862 2021-09-14 Patrick Palka <ppalka@redhat.com>
864 PR c++/102163
865 * constexpr.c (cxx_eval_call_expression): After evaluating a
866 subobject constructor call for an empty union member, produce a
867 side effect that makes sure the member gets activated.
869 2021-09-14 Jakub Jelinek <jakub@redhat.com>
871 PR c++/102295
872 * decl.c (layout_var_decl): For aggregates ending with a flexible
873 array member, add the size of the initializer for that member to
874 DECL_SIZE and DECL_SIZE_UNIT.
876 2021-09-14 Jakub Jelinek <jakub@redhat.com>
878 PR c++/102305
879 * method.c (is_xible_helper): Call complete_type on to.
881 2021-09-14 Jason Merrill <jason@redhat.com>
883 * decl.c (cxx_init_decl_processing): Don't warn if L1 cache line
884 size is smaller than maxalign.
886 2021-09-13 Jason Merrill <jason@redhat.com>
888 * constexpr.c (maybe_warn_about_constant_value):
889 Complain about std::hardware_destructive_interference_size.
890 (cxx_eval_constant_expression): Call it.
891 * decl.c (cxx_init_decl_processing): Check
892 --param *-interference-size values.
894 2021-09-13 Patrick Palka <ppalka@redhat.com>
896 PR c++/101764
897 * cp-tree.h (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): New accessor
898 macro.
899 * pt.c (has_extra_args_mechanism_p): New function.
900 (find_parameter_pack_data::found_extra_args_tree_p): New data
901 member.
902 (find_parameter_packs_r): Set ppd->found_extra_args_tree_p
903 appropriately.
904 (make_pack_expansion): Set PACK_EXPANSION_FORCE_EXTRA_ARGS_P if
905 ppd.found_extra_args_tree_p.
906 (use_pack_expansion_extra_args_p): Return true if there were
907 unsubstituted packs and PACK_EXPANSION_FORCE_EXTRA_ARGS_P.
908 (tsubst_pack_expansion): Pass the pack expansion to
909 use_pack_expansion_extra_args_p.
911 2021-09-10 Jakub Jelinek <jakub@redhat.com>
913 * parser.c (cp_parser_omp_atomic): Allow acq_rel on atomic read/write
914 and acq_rel/acquire clauses on update.
915 * semantics.c (finish_omp_atomic): Adjust c_finish_omp_atomic caller.
917 2021-09-08 Richard Biener <rguenther@suse.de>
919 PR c++/102228
920 * cp-tree.h (ANON_AGGR_TYPE_FIELD): New define.
921 * decl.c (fixup_anonymous_aggr): Wipe RTTI info put in
922 place on invalid code.
923 * decl2.c (reset_type_linkage): Guard CLASSTYPE_TYPEINFO_VAR
924 access.
925 * module.cc (trees_in::read_class_def): Likewise. Reconstruct
926 ANON_AGGR_TYPE_FIELD.
927 * semantics.c (finish_member_declaration): Populate
928 ANON_AGGR_TYPE_FIELD for anon aggregate typed members.
929 * typeck.c (lookup_anon_field): Remove DFS search and return
930 ANON_AGGR_TYPE_FIELD directly.
932 2021-09-07 Jakub Jelinek <jakub@redhat.com>
934 PR c++/100495
935 * constexpr.c (maybe_save_constexpr_fundef): Save body even for
936 constexpr deleting dtors.
937 (cxx_eval_call_expression): Don't use DECL_CLONED_FUNCTION for
938 deleting dtors.
940 2021-09-07 Marcel Vollweiler <marcel@codesourcery.com>
942 * parser.c (cp_parser_omp_flush): Parse 'seq_cst' clause on 'flush'
943 directive.
944 * semantics.c (finish_omp_flush): Handle MEMMODEL_SEQ_CST.
946 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
948 * coroutines.cc (register_local_var_uses): Do not mangle
949 frame entries for the outermost scope. Record the outer
950 scope as nesting depth 0.
952 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
954 * coroutines.cc (coro_build_artificial_var): New.
955 (build_actor_fn): Use var builder, rename vars to use
956 implementation namespace.
957 (coro_rewrite_function_body): Likewise.
958 (morph_fn_to_coro): Likewise.
960 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
962 * coroutines.cc (transform_local_var_uses): Record
963 frame offset expressions as DECL_VALUE_EXPRs instead of
964 rewriting them.
966 2021-09-03 Patrick Palka <ppalka@redhat.com>
968 PR c++/101904
969 * call.c (build_this_conversion): New function, split out from
970 add_function_candidate.
971 (add_function_candidate): New parameter shortcut_bad_convs.
972 Document it. Use build_this_conversion. Stop at the first bad
973 argument conversion when shortcut_bad_convs is true.
974 (add_template_candidate_real): New parameter shortcut_bad_convs.
975 Use build_this_conversion to check the 'this' conversion before
976 attempting deduction. When the rejection reason code is
977 rr_bad_arg_conversion, pass -1 instead of 0 as the viable
978 parameter to add_candidate. Pass 'convs' to add_candidate.
979 (add_template_candidate): New parameter shortcut_bad_convs.
980 (add_template_conv_candidate): Pass false as shortcut_bad_convs
981 to add_template_candidate_real.
982 (add_candidates): Prefer to shortcut bad conversions during
983 overload resolution under the assumption that we'll eventually
984 see a strictly viable candidate. If this assumption turns out
985 to be false, re-process the non-strictly viable candidates
986 without shortcutting those bad conversions.
988 2021-09-03 Jason Merrill <jason@redhat.com>
990 * pt.c (limit_bad_template_recursion): Suppress -Wunused for decls
991 we decide not to instantiate.
993 2021-09-03 Jakub Jelinek <jakub@redhat.com>
995 PR target/102024
996 * class.c (build_base_field): Use SET_DECL_FIELD_ABI_IGNORED
997 instead of writing to DECL_FIELD_ABI_IGNORED.
998 (layout_class_type): Likewise. In the place where zero-width
999 bitfields used to be removed, use
1000 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD on those fields instead.
1002 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
1004 * call.c (build_over_call): Handle unavailable state in addition to
1005 deprecation.
1006 * class.c (type_build_ctor_call): Likewise.
1007 (type_build_dtor_call): Likewise.
1008 * cp-tree.h: Rename cp_warn_deprecated_use to
1009 cp_handle_deprecated_or_unavailable.
1010 * decl.c (duplicate_decls): Merge unavailability.
1011 (grokdeclarator): Handle unavailability in addition to deprecation.
1012 (type_is_unavailable): New.
1013 (grokparms): Handle unavailability in addition to deprecation.
1014 * decl.h (enum deprecated_states): Add
1015 UNAVAILABLE_DEPRECATED_SUPPRESS.
1016 * decl2.c (cplus_decl_attributes): Propagate unavailability to
1017 templates.
1018 (cp_warn_deprecated_use): Rename to ...
1019 (cp_handle_deprecated_or_unavailable): ... this and amend to handle
1020 the unavailable case. It remains a warning in the case of deprecation
1021 but becomes an error in the case of unavailability.
1022 (cp_warn_deprecated_use_scopes): Handle unavailability.
1023 (mark_used): Likewise.
1024 * parser.c (cp_parser_template_name): Likewise.
1025 (cp_parser_template_argument): Likewise.
1026 (cp_parser_parameter_declaration_list): Likewise.
1027 * typeck.c (build_class_member_access_expr): Likewise.
1028 (finish_class_member_access_expr): Likewise.
1029 * typeck2.c (build_functional_cast_1): Likewise.
1031 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
1033 * coroutines.cc (build_actor_fn): Add begin/finish clauses
1034 to the initial test in the actor function.
1036 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
1038 * coroutines.cc (await_statement_walker): Use build_stmt and
1039 add_stmt instead of build1 and finish_expr_stmt.
1041 2021-08-31 Jason Merrill <jason@redhat.com>
1043 * coroutines.cc (flatten_await_stmt): Fix copyo.
1044 * decl.c (reshape_init_class): Simplify.
1045 * module.cc (module_state::read_language): Add null check.
1046 * parser.c (build_range_temp): Avoid type_uses_auto.
1047 (cp_parser_class_specifier_1): Add null check.
1049 2021-08-31 Patrick Palka <ppalka@redhat.com>
1051 PR c++/12672
1052 * call.c (rejection_reason::call_varargs_p): Rename this
1053 previously unused member to ...
1054 (rejection_reason::least_p): ... this.
1055 (arity_rejection): Add least_p parameter.
1056 (add_template_candidate_real): When there are explicit
1057 template arguments, check that the arity of the call agrees with
1058 the arity of the function before attempting deduction.
1059 (print_arity_information): Add least_p parameter.
1060 (print_z_candidate): Adjust call to print_arity_information.
1062 2021-08-31 Martin Sebor <msebor@redhat.com>
1064 * parser.c (cp_parser_selection_statement): Use direct initialization
1065 instead of copy.
1067 2021-08-31 Jason Merrill <jason@redhat.com>
1069 * constexpr.c (explain_invalid_constexpr_fn): Use iloc_sentinel.
1071 2021-08-31 Jason Merrill <jason@redhat.com>
1073 PR c++/92193
1074 * cp-tree.h (FNDECL_MANIFESTLY_CONST_EVALUATED): New.
1075 * constexpr.c (cxx_eval_call_expression): Set it.
1076 * pt.c (neglectable_inst_p): Check it.
1078 2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
1080 * parser.c (cp_parser_omp_clause_device): Parse device-modifiers 'device_num'
1081 and 'ancestor' in 'target device' clauses.
1082 * semantics.c (finish_omp_clauses): Error handling. Constant device ids must
1083 evaluate to '1' if 'ancestor' is used.
1085 2021-08-30 Jason Merrill <jason@redhat.com>
1087 PR c++/96286
1088 * cp-tree.h (struct lang_type): Add erroneous bit-field.
1089 (CLASSTYPE_ERRONEOUS): New.
1090 * pt.c (limit_bad_template_recursion): Check it.
1091 (instantiate_class_template_1): Set it.
1093 2021-08-30 Jason Merrill <jason@redhat.com>
1095 * constexpr.c (cxx_eval_outermost_constant_expr): Copy
1096 expr location to result.
1098 2021-08-30 Jason Merrill <jason@redhat.com>
1100 PR c++/101460
1101 * cp-tree.h (cxx_constant_value_sfinae): Declare.
1102 * constexpr.c (cxx_constant_value_sfinae): New.
1103 * pt.c (fold_targs_r, maybe_fold_fn_template_args): New.
1104 (tsubst_copy_and_build) [CALL_EXPR]: Call
1105 maybe_fold_fn_template_args.
1107 2021-08-30 Jason Merrill <jason@redhat.com>
1109 * parser.c (cp_parser_simple_requirement): Warn about missing
1110 requires.
1112 2021-08-27 Jason Merrill <jason@redhat.com>
1114 * typeck2.c (build_x_arrow): Do set TREE_TYPE when operand is
1115 a dependent pointer.
1117 2021-08-25 Andrew Pinski <apinski@marvell.com>
1119 PR c++/66590
1120 * cp-objcp-common.c (cxx_block_may_fallthru): Handle
1121 CLEANUP_STMT for the case which will be try/finally.
1123 2021-08-25 Jakub Jelinek <jakub@redhat.com>
1125 PR c++/102019
1126 * init.c (build_value_init_noctor): Ignore unnamed zero-width
1127 bitfields.
1129 2021-08-23 Jakub Jelinek <jakub@redhat.com>
1131 * parser.c (cp_parser_omp_clause_num_tasks,
1132 cp_parser_omp_clause_grainsize): Parse the optional strict: modifier.
1134 2021-08-20 Jakub Jelinek <jakub@redhat.com>
1136 * parser.c (cp_parser_handle_statement_omp_attributes): Determine if
1137 PRAGMA_OMP_ERROR directive is C_OMP_DIR_STANDALONE.
1138 (cp_parser_omp_error): New function.
1139 (cp_parser_pragma): Handle PRAGMA_OMP_ERROR.
1141 2021-08-20 Jakub Jelinek <jakub@redhat.com>
1143 * parser.c (cp_parser_omp_clause_depend_sink): Reject spurious
1144 comma at the end of list. Don't parse closing paren here...
1145 (cp_parser_omp_clause_depend): ... but here instead.
1147 2021-08-19 Patrick Palka <ppalka@redhat.com>
1149 PR c++/101803
1150 * cp-tree.h (CONSTRUCTOR_IS_PAREN_INIT): Clarify comment.
1152 2021-08-19 Jakub Jelinek <jakub@redhat.com>
1154 * parser.c (cp_parser_omp_requires): Don't call cp_lexer_nth_token_is
1155 and optionally consume token if current token is CPP_EOF,
1156 CPP_PRAGMA_EOL or CPP_CLOSE_PAREN.
1158 2021-08-19 Jakub Jelinek <jakub@redhat.com>
1160 * parser.c (cp_parser_omp_nothing): Use cp_parser_require_pragma_eol
1161 instead of cp_parser_skip_to_pragma_eol.
1163 2021-08-18 Patrick Palka <ppalka@redhat.com>
1165 PR c++/101344
1166 PR c++/101803
1167 * cp-tree.h (CONSTRUCTOR_BRACES_ELIDED_P): Define.
1168 * decl.c (reshape_init_r): Set it.
1169 * pt.c (collect_ctor_idx_types): Recurse into a sub-CONSTRUCTOR
1170 iff CONSTRUCTOR_BRACES_ELIDED_P.
1172 2021-08-18 Patrick Palka <ppalka@redhat.com>
1174 PR c++/101883
1175 * pt.c (convert_template_argument): Pass LOOKUP_IMPLICIT to
1176 do_auto_deduction.
1178 2021-08-18 Jakub Jelinek <jakub@redhat.com>
1180 * parser.c (cp_parser_omp_nothing): New function.
1181 (cp_parser_pragma): Handle PRAGMA_OMP_NOTHING.
1183 2021-08-18 Jakub Jelinek <jakub@redhat.com>
1185 * parser.c (cp_parser_omp_ordered): Return true instead of
1186 false after emitting errors that the directive is not allowed in
1187 pragma_stmt context.
1188 (cp_parser_omp_target_update): Likewise.
1189 (cp_parser_omp_cancellation_point): Change return type from void to
1190 bool, return false if the directive should be ignored in pragma_stmt
1191 contexts.
1192 (cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data):
1193 Change return type from tree to bool, return false if the
1194 directive should be ignored in pragma_stmt contexts.
1195 (cp_parser_omp_target): Adjust callers of cp_parser_omp_target_*_data,
1196 return their result directly.
1197 (cp_parser_pragma): For PRAGMA_OMP_CANCELLATION_POINT return what
1198 cp_parser_omp_cancellation_point returned. Return true instead of
1199 false after emitting errors that the directive is not allowed in
1200 pragma_stmt context.
1202 2021-08-17 Jakub Jelinek <jakub@redhat.com>
1204 PR c++/101539
1205 * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_LAYOUT_COMPATIBLE.
1206 (enum cp_built_in_function): Add CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
1207 (fold_builtin_is_corresponding_member, next_common_initial_seqence,
1208 layout_compatible_type_p): Declare.
1209 * parser.c (cp_parser_primary_expression): Handle
1210 RID_IS_LAYOUT_COMPATIBLE.
1211 (cp_parser_trait_expr): Likewise.
1212 * cp-objcp-common.c (names_builtin_p): Likewise.
1213 * constraint.cc (diagnose_trait_expr): Handle
1214 CPTK_IS_LAYOUT_COMPATIBLE.
1215 * decl.c (cxx_init_decl_processing): Register
1216 __builtin_is_corresponding_member builtin.
1217 * constexpr.c (cxx_eval_builtin_function_call): Handle
1218 CP_BUILT_IN_IS_CORRESPONDING_MEMBER builtin.
1219 * semantics.c (is_corresponding_member_union,
1220 is_corresponding_member_aggr, fold_builtin_is_corresponding_member):
1221 New functions.
1222 (trait_expr_value): Handle CPTK_IS_LAYOUT_COMPATIBLE.
1223 (finish_trait_expr): Likewise.
1224 * typeck.c (next_common_initial_seqence, layout_compatible_type_p):
1225 New functions.
1226 * cp-gimplify.c (cp_gimplify_expr): Fold
1227 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
1228 (cp_fold): Likewise.
1229 * tree.c (builtin_valid_in_constant_expr_p): Handle
1230 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
1231 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1232 CPTK_IS_LAYOUT_COMPATIBLE.
1233 * class.c (remove_zero_width_bit_fields): Remove.
1234 (layout_class_type): Don't call it.
1236 2021-08-17 Jakub Jelinek <jakub@redhat.com>
1238 * parser.c (OMP_SCOPE_CLAUSE_MASK): Define.
1239 (cp_parser_omp_scope): New function.
1240 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_SCOPE.
1241 * pt.c (tsubst_expr): Handle OMP_SCOPE.
1243 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1245 * parser.c (cp_parser_omp_clause_name): Parse filter clause name.
1246 (cp_parser_omp_clause_filter): New function.
1247 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER.
1248 (OMP_MASKED_CLAUSE_MASK): Define.
1249 (cp_parser_omp_masked): New function.
1250 (cp_parser_omp_parallel): Handle parallel masked.
1251 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_MASKED.
1252 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_FILTER.
1253 * pt.c (tsubst_omp_clauses): Likewise.
1254 (tsubst_expr): Handle OMP_MASKED.
1256 2021-08-12 Sergei Trofimovich <siarheit@google.com>
1258 PR c++/101219
1259 * pt.c (tsubst_copy_and_build): Use build_ptrmemfunc_access_expr
1260 to construct ptrmemfunc expression instantiation.
1262 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
1264 * parser.c (cp_parser_omp_clause_proc_bind): Accept
1265 'primary' as alias for 'master'.
1267 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1269 * cp-tree.h (omp_declare_target_attr): New type.
1270 (struct saved_scope): Change type of omp_declare_target_attribute
1271 from int to vec<omp_declare_target_attr, va_gc> * and move it.
1272 * parser.c (cp_parser_omp_declare_target): Instead of
1273 incrementing scope_chain->omp_declare_target_attribute, push
1274 a struct containing parser->lexer->in_omp_attribute_pragma to
1275 the vector.
1276 (cp_parser_omp_end_declare_target): Instead of decrementing
1277 scope_chain->omp_declare_target_attribute, pop a structure
1278 from it. Diagnose mismatching declare target vs.
1279 end declare target syntax.
1280 * semantics.c (finish_translation_unit): Use vec_safe_length
1281 and vec_safe_truncate on scope_chain->omp_declare_target_attributes.
1282 * decl2.c (cplus_decl_attributes): Use vec_safe_length
1283 on scope_chain->omp_declare_target_attributes.
1285 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1287 * parser.c (cp_parser_lambda_body): Add temp overrides
1288 for parser->{omp_declare_simd,oacc_routine,omp_attrs_forbidden_p}.
1289 (cp_parser_statement): Restore parser->omp_attrs_forbidden_p for
1290 cp_parser_declaration_statement.
1291 (cp_parser_default_argument): Add temp override for
1292 parser->omp_attrs_forbidden_p.
1293 (cp_parser_late_parsing_omp_declare_simd): Diagnose declare simd
1294 or declare variant in attribute syntax on a declaration immediately
1295 following an OpenMP construct in pragma syntax.
1297 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1299 PR c++/94162
1300 * method.c (cat_tag_for): Return cc_last for !CLASS_TYPE_P
1301 or for classes not in std namespace.
1303 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1305 * name-lookup.c (finish_using_directive): Diagnose omp::directive
1306 or omp::sequence attributes on using-directive.
1308 2021-08-12 Jakub Jelinek <jakub@redhat.com>
1310 * parser.c (cp_parser_block_declaration): Call
1311 cp_parser_using_directive for C++11 attributes followed by
1312 using namespace tokens.
1313 (cp_parser_using_directive): Parse C++11 attributes at the start
1314 of the directive rather than at the end, only parse GNU attributes
1315 at the end.
1317 2021-08-12 Patrick Palka <ppalka@redhat.com>
1319 PR c++/101663
1320 * constexpr.c (cxx_eval_store_expression): Handle the lval=true
1321 case in the early exit code path for empty stores with mismatched
1322 types.
1324 2021-08-11 Patrick Palka <ppalka@redhat.com>
1326 PR c++/101725
1327 DR 2082
1328 * cp-tree.h (unevaluated_p): Return true for REQUIRES_EXPR.
1329 * decl.c (local_variable_p_walkfn): Don't walk into unevaluated
1330 operands.
1331 * parser.c (cp_parser_primary_expression) <case CPP_NAME>: Never
1332 reject uses of local variables in unevaluated contexts.
1333 * tree.c (cp_walk_subtrees) <case REQUIRES_EXPR>: Increment
1334 cp_unevaluated_operand. Use cp_walk_tree directly instead of
1335 WALK_SUBTREE to avoid the goto. Use REQUIRES_EXPR_REQS instead
1336 of TREE_OPERAND directly.
1338 2021-08-11 Jakub Jelinek <jakub@redhat.com>
1340 PR c++/101786
1341 * decl2.c (var_defined_without_dynamic_init): Return true for
1342 DECL_DECLARED_CONSTINIT_P with complete type and trivial destructor.
1344 2021-08-11 Patrick Palka <ppalka@redhat.com>
1346 PR c++/79501
1347 * parser.c (maybe_adjust_declarator_for_dguide): New, split
1348 out from ...
1349 (cp_parser_init_declarator): ... here.
1350 (cp_parser_member_declaration): Use it.
1352 2021-08-11 Patrick Palka <ppalka@redhat.com>
1354 PR c++/89062
1355 * parser.c (cp_parser_parameter_declaration_list): Don't call
1356 grokdeclarator if cp_parser_error_occurred.
1357 (cp_parser_parameter_declaration): Simulate an error if we see
1358 the beginning of a CTAD form, i.e. if we see an opening brace
1359 after the decl-specifier-seq and the type is a CTAD placeholder.
1361 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1363 * parser.c (cp_parser_member_declaration): Move odsd declaration
1364 before cp_parser_using_declaration call to avoid errors with
1365 GCC 4.8 to 6.
1367 2021-08-10 Jakub Jelinek <jakub@redhat.com>
1369 * parser.h (struct cp_omp_declare_simd_data): Remove
1370 in_omp_attribute_pragma and clauses members, add loc and attribs.
1371 (struct cp_oacc_routine_data): Remove loc member, add clauses
1372 member.
1373 * parser.c (cp_finalize_omp_declare_simd): New function.
1374 (cp_parser_handle_statement_omp_attributes): Mention in
1375 function comment the function is used also for
1376 attribute-declaration.
1377 (cp_parser_handle_directive_omp_attributes): New function.
1378 (cp_parser_statement): Don't call
1379 cp_parser_handle_statement_omp_attributes if statement doesn't
1380 have attribute-specifier-seq at the beginning at all or if
1381 if those attributes don't appertain to the statement.
1382 (cp_parser_simple_declaration): Call
1383 cp_parser_handle_directive_omp_attributes and
1384 cp_finalize_omp_declare_simd.
1385 (cp_parser_explicit_instantiation): Likewise.
1386 (cp_parser_init_declarator): Initialize prefix_attributes
1387 only after parsing declarators.
1388 (cp_parser_direct_declarator): Call
1389 cp_parser_handle_directive_omp_attributes and
1390 cp_finalize_omp_declare_simd.
1391 (cp_parser_member_declaration): Likewise.
1392 (cp_parser_single_declaration): Likewise.
1393 (cp_parser_omp_declare_simd): Don't initialize
1394 data.in_omp_attribute_pragma, instead initialize
1395 data.attribs[0] and data.attribs[1].
1396 (cp_finish_omp_declare_variant): Remove
1397 in_omp_attribute_pragma argument, instead use
1398 parser->lexer->in_omp_attribute_pragma.
1399 (cp_parser_late_parsing_omp_declare_simd): Adjust
1400 cp_finish_omp_declare_variant caller. Handle attribute-syntax
1401 declare simd/variant.
1403 2021-08-06 Tamar Christina <tamar.christina@arm.com>
1405 * cp-objcp-common.h (cxx_simulate_enum_decl): Pass vec<> by pointer.
1406 * decl.c (cxx_simulate_enum_decl): Likewise.
1408 2021-08-04 Jakub Jelinek <jakub@redhat.com>
1410 PR c++/101759
1411 * parser.c (cp_parser_default_argument): Temporarily override
1412 parser->omp_declare_simd and parser->oacc_routine to NULL.
1414 2021-08-02 Patrick Palka <ppalka@redhat.com>
1416 PR c++/100828
1417 * logic.cc (formula::formula): Use emplace_back instead of
1418 push_back.
1419 (formula::branch): Insert a copy of m_current directly after
1420 m_current instead of at the end of the list.
1421 (formula::erase): Define.
1422 (decompose_formula): Remove.
1423 (decompose_antecedents): Remove.
1424 (decompose_consequents): Remove.
1425 (derive_proofs): Remove.
1426 (max_problem_size): Remove.
1427 (diagnose_constraint_size): Remove.
1428 (subsumes_constraints_nonnull): Rewrite directly in terms of
1429 decompose_clause and derive_proof, interleaving decomposition
1430 with implication checking. Remove limit on constraint complexity.
1431 Use formula::erase to free the current clause before moving on to
1432 the next one.
1434 2021-07-31 Jason Merrill <jason@redhat.com>
1436 PR c++/96636
1437 * decl.c (fixup_anonymous_aggr): Clear TYPE_NEEDS_CONSTRUCTING
1438 after error.
1440 2021-07-31 Jason Merrill <jason@redhat.com>
1442 * ptree.c (cxx_print_type) [TYPE_PACK_EXPANSION]: Also print
1443 PACK_EXPANSION_PATTERN.
1445 2021-07-31 Jakub Jelinek <jakub@redhat.com>
1447 * parser.c (cp_parser_declaration): Handle OpenMP directives
1448 in attribute-declaration.
1450 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1452 PR c++/101539
1453 * cp-tree.h (enum cp_trait_kind): Add
1454 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1455 (enum cp_built_in_function): Add
1456 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.
1457 (fold_builtin_is_pointer_inverconvertible_with_class): Declare.
1458 * parser.c (cp_parser_primary_expression): Handle
1459 RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1460 (cp_parser_trait_expr): Likewise.
1461 * cp-objcp-common.c (names_builtin_p): Likewise.
1462 * constraint.cc (diagnose_trait_expr): Handle
1463 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1464 * decl.c (cxx_init_decl_processing): Register
1465 __builtin_is_pointer_interconvertible_with_class builtin.
1466 * constexpr.c (cxx_eval_builtin_function_call): Handle
1467 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS builtin.
1468 * semantics.c (pointer_interconvertible_base_of_p,
1469 first_nonstatic_data_member_p,
1470 fold_builtin_is_pointer_inverconvertible_with_class): New functions.
1471 (trait_expr_value): Handle CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1472 (finish_trait_expr): Likewise. Formatting fix.
1473 * cp-gimplify.c (cp_gimplify_expr): Fold
1474 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
1475 fndecl_built_in_p just once.
1476 (cp_fold): Likewise.
1477 * tree.c (builtin_valid_in_constant_expr_p): Handle
1478 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
1479 fndecl_built_in_p just once.
1480 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1481 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1483 2021-07-30 Jason Merrill <jason@redhat.com>
1485 * class.c (finish_struct_anon): Improve comment.
1486 * decl.c (fixup_anonymous_aggr): Reject anonymous struct
1487 with bases.
1489 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1491 * parser.c (cp_parser_statement): Rollback attributes not just
1492 when std_attrs is non-NULL, but whenever
1493 cp_parser_std_attribute_spec_seq parsed any tokens.
1495 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1497 PR c++/101582
1498 * parser.c (cp_parser_skip_std_attribute_spec_seq): Add a forward
1499 declaration.
1500 (cp_parser_declaration): Parse empty-declaration and
1501 attribute-declaration.
1502 (cp_parser_toplevel_declaration): Don't parse empty-declaration here.
1504 2021-07-28 Martin Sebor <msebor@redhat.com>
1506 * init.c: Include new header.
1508 2021-07-27 Marek Polacek <polacek@redhat.com>
1510 DR 1512
1511 PR c++/99701
1512 * cp-gimplify.c (cp_fold): Remove {LE,LT,GE,GT_EXPR} from
1513 a switch.
1514 * typeck.c (cp_build_binary_op): Reject ordered comparison
1515 of two null pointers.
1517 2021-07-26 Jakub Jelinek <jakub@redhat.com>
1519 * parser.h (struct cp_lexer): Add orphan_p member.
1520 * parser.c (cp_parser_statement): Don't change in_omp_attribute_pragma
1521 upon restart from CPP_PRAGMA handling. Fix up condition when a lexer
1522 should be destroyed and adjust saved_tokens if it records tokens from
1523 the to be destroyed lexer.
1524 (cp_parser_omp_section_scan): New function.
1525 (cp_parser_omp_scan_loop_body): Use it. If
1526 parser->lexer->in_omp_attribute_pragma, allow optional comma
1527 after scan.
1528 (cp_parser_omp_sections_scope): Use cp_parser_omp_section_scan.
1530 2021-07-23 Jakub Jelinek <jakub@redhat.com>
1532 * parser.h (struct cp_parser): Add omp_attrs_forbidden_p member.
1533 * parser.c (cp_parser_handle_statement_omp_attributes): Diagnose
1534 mixing of attribute and pragma syntax directives when seeing
1535 omp::directive if parser->omp_attrs_forbidden_p or if attribute syntax
1536 directives are followed by OpenMP pragma.
1537 (cp_parser_statement): Clear parser->omp_attrs_forbidden_p after
1538 the cp_parser_handle_statement_omp_attributes call.
1539 (cp_parser_omp_structured_block): Add disallow_omp_attrs argument,
1540 if true, set parser->omp_attrs_forbidden_p.
1541 (cp_parser_omp_scan_loop_body, cp_parser_omp_sections_scope): Pass
1542 false as disallow_omp_attrs to cp_parser_omp_structured_block.
1543 (cp_parser_omp_parallel, cp_parser_omp_task): Set
1544 parser->omp_attrs_forbidden_p.
1546 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
1547 Joseph Myers <joseph@codesourcery.com>
1548 Cesar Philippidis <cesar@codesourcery.com>
1550 * parser.c (cp_parser_omp_clause_name): Handle 'nohost'.
1551 (cp_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'.
1552 (OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
1553 * pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
1554 * semantics.c (finish_omp_clauses): Likewise.
1556 2021-07-21 Jakub Jelinek <jakub@redhat.com>
1558 PR c++/101516
1559 * semantics.c (finish_omp_reduction_clause): Also call
1560 complete_type_or_else and return true if it fails.
1562 2021-07-19 Iain Sandoe <iain@sandoe.co.uk>
1564 PR c++/95520
1565 * coroutines.cc (struct coroutine_info): Add fields for
1566 actor and destroy function decls.
1567 (to_ramp): New.
1568 (coro_get_ramp_function): New.
1569 (coro_get_actor_function): New.
1570 (coro_get_destroy_function): New.
1571 (act_des_fn): Set up mapping between ramp, actor and
1572 destroy functions.
1573 (morph_fn_to_coro): Adjust interface to the builder for
1574 helper function decls.
1575 * cp-tree.h (DECL_ACTOR_FN, DECL_DESTROY_FN, DECL_RAMP_FN,
1576 JOIN_STR): New.
1577 * mangle.c (write_encoding): Handle coroutine helpers.
1578 (write_unqualified_name): Handle lambda coroutine helpers.
1580 2021-07-16 Patrick Palka <ppalka@redhat.com>
1582 PR c++/101233
1583 * pt.c (alias_ctad_tweaks): Clear cp_unevaluated_operand for
1584 substituting DECL_ARGUMENTS.
1586 2021-07-16 Patrick Palka <ppalka@redhat.com>
1588 DR 960
1589 PR c++/99664
1590 * search.c (check_final_overrider): Compare TYPE_REF_IS_RVALUE
1591 when the return types are references.
1593 2021-07-16 Marek Polacek <polacek@redhat.com>
1595 * typeck2.c (check_narrowing): Don't suppress the pedantic error
1596 in system headers.
1598 2021-07-15 Jakub Jelinek <jakub@redhat.com>
1600 PR c++/101443
1601 * cp-gimplify.c (cp_fold): For comparisons with NULLPTR_TYPE
1602 operands, fold them right away to true or false.
1604 2021-07-15 Jason Merrill <jason@redhat.com>
1606 PR c++/101095
1607 * cp-objcp-common.c (cp_common_init_ts): Mark types as types.
1608 (cp_tree_size): Remove redundant entries.
1610 2021-07-14 Patrick Palka <ppalka@redhat.com>
1612 PR c++/88252
1613 * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): Remove.
1614 * pt.c (push_template_decl): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1615 handling.
1616 (redeclare_class_template): Likewise.
1617 (forwarding_reference_p): Define.
1618 (maybe_adjust_types_for_deduction): Use it instead. Add 'tparms'
1619 parameter.
1620 (unify_one_argument): Pass tparms to
1621 maybe_adjust_types_for_deduction.
1622 (try_one_overload): Likewise.
1623 (unify): Likewise.
1624 (rewrite_template_parm): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1625 handling.
1627 2021-07-14 Jason Merrill <jason@redhat.com>
1629 * class.c (struct find_final_overrider_data): Use auto_vec.
1630 (find_final_overrider): Remove explicit release.
1631 * coroutines.cc (process_conditional): Use auto_vec.
1632 * cp-gimplify.c (struct cp_genericize_data): Use auto_vec.
1633 (cp_genericize_tree): Remove explicit release.
1634 * parser.c (cp_parser_objc_at_property_declaration): Use
1635 auto_delete_vec.
1636 * semantics.c (omp_reduction_lookup): Use auto_vec.
1638 2021-07-14 Marek Polacek <polacek@redhat.com>
1640 PR c++/101371
1641 * constexpr.c (cxx_eval_array_reference): Create a new .object
1642 and .ctor for the non-aggregate non-scalar case too when
1643 value-initializing.
1645 2021-07-12 Patrick Palka <ppalka@redhat.com>
1647 PR c++/79501
1648 PR c++/100983
1649 * decl.c (grokfndecl): Don't require that deduction guides are
1650 declared at namespace scope. Check that class-scope deduction
1651 guides have the same access as the member class template.
1652 (grokdeclarator): Pretend class-scope deduction guides are static.
1653 * search.c (lookup_member): Don't use a BASELINK for (class-scope)
1654 deduction guides.
1656 2021-07-10 Patrick Palka <ppalka@redhat.com>
1658 PR c++/82110
1659 * init.c (build_aggr_init): Return error_mark_node if
1660 expand_aggr_init_1 returns false.
1661 (expand_default_init): Change return type to bool. Return false
1662 on error, true on success.
1663 (expand_aggr_init_1): Likewise.
1665 2021-07-09 Jason Merrill <jason@redhat.com>
1667 PR c++/101098
1668 * decl.c (function_requirements_equivalent_p): Only compare
1669 trailing requirements on a specialization.
1671 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1673 * coroutines.cc (build_actor_fn): Move common code to
1674 act_des_fn.
1675 (build_destroy_fn): Likewise.
1676 (act_des_fn): Build the void return here. Ensure that the
1677 source location matches the original function.
1679 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1681 * coroutines.cc
1682 (coro_rewrite_function_body): Connect the replacement
1683 function block to the block nest correctly.
1685 2021-07-09 Patrick Palka <ppalka@redhat.com>
1687 PR c++/101181
1688 * constraint.cc (tsubst_requires_expr): Pass complain/in_decl to
1689 add_extra_args.
1690 * cp-tree.h (add_extra_args): Add complain/in_decl parameters.
1691 * pt.c (build_extra_args): Make a copy of args.
1692 (add_extra_args): Add complain/in_decl parameters. Enable the
1693 code for handling the case where the extra arguments are
1694 dependent.
1695 (tsubst_pack_expansion): Pass complain/in_decl to
1696 add_extra_args.
1697 (tsubst_template_args): Handle missing template arguments.
1698 (tsubst_expr) <case IF_STMT>: Pass complain/in_decl to
1699 add_extra_args.
1701 2021-07-09 Patrick Palka <ppalka@redhat.com>
1703 PR c++/101247
1704 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Just walk the
1705 DECL_CONTEXT.
1707 2021-07-08 Martin Sebor <msebor@redhat.com>
1709 PR bootstrap/101372
1710 * module.cc (identifier): Suppress warning.
1711 (module_state::read_macro_maps): Remove warning suppression.
1712 (module_state::install_macros): Ditto.
1714 2021-07-08 Marek Polacek <polacek@redhat.com>
1716 PR c++/101087
1717 * cp-tree.h (unevaluated_p): New.
1718 * except.c (check_noexcept_r): Use it. Don't walk into
1719 unevaluated operands.
1721 2021-07-08 Martin Sebor <msebor@redhat.com>
1723 PR bootstrap/101374
1724 * module.cc (module_state::read_macro_maps): Temporarily disable
1725 -Warray-bounds.
1726 (module_state::install_macros): Same.
1728 2021-07-06 Martin Sebor <msebor@redhat.com>
1730 * error.c (cp_printer): Remove support for %G and %K.
1732 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1734 * parser.h (struct cp_lexer): Add in_omp_attribute_pragma member.
1735 (struct cp_omp_declare_simd_data): Likewise.
1736 * cp-tree.h (enum cp_tree_index): Add CPTI_OMP_IDENTIFIER.
1737 (omp_identifier): Define.
1738 * parser.c (cp_parser_skip_to_pragma_eol): Handle
1739 in_omp_attribute_pragma CPP_PRAGMA_EOL followed by CPP_EOF.
1740 (cp_parser_require_pragma_eol): Likewise.
1741 (struct cp_omp_attribute_data): New type.
1742 (cp_parser_handle_statement_omp_attributes): New function.
1743 (cp_parser_statement): Handle OpenMP directives in statement's
1744 attribute-specifier-seq.
1745 (cp_parser_omp_directive_args, cp_parser_omp_sequence_args): New
1746 functions.
1747 (cp_parser_std_attribute): Handle omp::directive and omp::sequence
1748 attributes.
1749 (cp_parser_omp_all_clauses): If in_omp_attribute_pragma, allow
1750 a comma also before the first clause.
1751 (cp_parser_omp_allocate): Likewise.
1752 (cp_parser_omp_atomic): Likewise.
1753 (cp_parser_omp_depobj): Likewise.
1754 (cp_parser_omp_flush): Likewise.
1755 (cp_parser_omp_ordered): Likewise.
1756 (cp_parser_omp_declare_simd): Save in_omp_attribute_pragma
1757 into struct cp_omp_declare_simd_data.
1758 (cp_finish_omp_declare_variant): Add in_omp_attribute_pragma
1759 argument. If set, allow a comma also before match clause.
1760 (cp_parser_late_parsing_omp_declare_simd): If in_omp_attribute_pragma,
1761 allow a comma also before the first clause. Adjust
1762 cp_finish_omp_declare_variant caller.
1763 (cp_parser_omp_declare_target): If in_omp_attribute_pragma, allow
1764 a comma also before the first clause.
1765 (cp_parser_omp_declare_reduction_exprs): Likewise.
1766 (cp_parser_omp_requires): Likewise.
1767 * decl.c (initialize_predefined_identifiers): Initialize
1768 omp_identifier.
1769 * decl2.c (cplus_decl_attributes): Reject omp::directive and
1770 omp::sequence attributes.
1772 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1774 PR c/101297
1775 * parser.c (cp_parser_omp_atomic): Consume comma only if it
1776 appears before a CPP_NAME.
1778 2021-07-02 Patrick Palka <ppalka@redhat.com>
1780 PR c++/101247
1781 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Rewrite to
1782 use common_enclosing_class and to not depend on the TREE_TYPE
1783 of outer levels pointing to the corresponding primary template.
1785 2021-07-01 Patrick Palka <ppalka@redhat.com>
1787 PR c++/101194
1788 * constexpr.c (cxx_eval_array_reference): When the element type
1789 is an empty type and the corresponding element is omitted, just
1790 return an empty CONSTRUCTOR instead of attempting value
1791 initialization.
1793 2021-07-01 Patrick Palka <ppalka@redhat.com>
1795 PR c++/96204
1796 * pt.c (finish_template_variable): Pass the partially
1797 instantiated template and its args to instantiate_template.
1798 (instantiate_class_template_1): No need to call
1799 push_nested_class and pop_nested_class around the call to
1800 most_specialized_partial_spec.
1801 (instantiate_template_1): Pass the partially instantiated
1802 template to lookup_template_variable.
1803 (most_specialized_partial_spec): Use push_access_scope_guard
1804 to set the access scope appropriately. Use
1805 deferring_access_check_sentinel to force access to get checked
1806 immediately.
1807 (instantiate_decl): Just pass the VAR_DECL to
1808 most_specialized_partial_spec.
1810 2021-06-30 Patrick Palka <ppalka@redhat.com>
1812 * constraint.cc (get_normalized_constraints_from_decl): Use
1813 push_access_scope_guard instead of push_nested_class_guard.
1814 * cp-tree.h (struct push_nested_class_guard): Replace with ...
1815 (struct push_access_scope_guard): ... this.
1816 * pt.c (push_access_scope): When the argument corresponds to
1817 a class type, push the class instead of its context.
1818 (pop_access_scope): Adjust accordingly.
1820 2021-06-30 Marek Polacek <polacek@redhat.com>
1822 PR c++/100975
1823 DR 2397
1824 * decl.c (create_array_type_for_decl): Allow array of auto.
1826 2021-06-29 Jason Merrill <jason@redhat.com>
1828 * pt.c (instantiate_decl): Only consider partial specializations of
1829 actual variable templates.
1831 2021-06-26 Patrick Palka <ppalka@redhat.com>
1833 PR c++/96204
1834 * pt.c (instantiate_class_template_1): Enter the scope of the
1835 type when calling most_specialized_partial_spec.
1837 2021-06-26 Jason Merrill <jason@redhat.com>
1839 PR c++/101040
1840 PR c++/97566
1841 * class.c (is_empty_field): Handle null argument.
1842 * constexpr.c (cxx_eval_bare_aggregate): Discard initializer
1843 for empty field.
1845 2021-06-26 Marek Polacek <polacek@redhat.com>
1847 PR c++/100752
1848 * parser.c (cp_parser_declarator): Pass flags down to
1849 cp_parser_declarator. Also pass static_p/member_p.
1851 2021-06-25 Martin Sebor <msebor@redhat.com>
1853 * call.c (build_over_call): Replace direct uses of TREE_NO_WARNING
1854 with warning_suppressed_p, suppress_warning, and copy_no_warning, or
1855 nothing if not necessary.
1856 (set_up_extended_ref_temp): Same.
1857 * class.c (layout_class_type): Same.
1858 * constraint.cc (constraint_satisfaction_value): Same.
1859 * coroutines.cc (finish_co_await_expr): Same.
1860 (finish_co_yield_expr): Same.
1861 (finish_co_return_stmt): Same.
1862 (build_actor_fn): Same.
1863 (coro_rewrite_function_body): Same.
1864 (morph_fn_to_coro): Same.
1865 * cp-gimplify.c (genericize_eh_spec_block): Same.
1866 (gimplify_expr_stmt): Same.
1867 (cp_genericize_r): Same.
1868 (cp_fold): Same.
1869 * cp-ubsan.c (cp_ubsan_instrument_vptr): Same.
1870 * cvt.c (cp_fold_convert): Same.
1871 (convert_to_void): Same.
1872 * decl.c (wrapup_namespace_globals): Same.
1873 (grokdeclarator): Same.
1874 (finish_function): Same.
1875 (require_deduced_type): Same.
1876 * decl2.c (no_linkage_error): Same.
1877 (c_parse_final_cleanups): Same.
1878 * except.c (expand_end_catch_block): Same.
1879 * init.c (build_new_1): Same.
1880 (build_new): Same.
1881 (build_vec_delete_1): Same.
1882 (build_vec_init): Same.
1883 (build_delete): Same.
1884 * method.c (defaultable_fn_check): Same.
1885 * parser.c (cp_parser_fold_expression): Same.
1886 (cp_parser_primary_expression): Same.
1887 * pt.c (push_tinst_level_loc): Same.
1888 (tsubst_copy): Same.
1889 (tsubst_omp_udr): Same.
1890 (tsubst_copy_and_build): Same.
1891 * rtti.c (build_if_nonnull): Same.
1892 * semantics.c (maybe_convert_cond): Same.
1893 (finish_return_stmt): Same.
1894 (finish_parenthesized_expr): Same.
1895 (cp_check_omp_declare_reduction): Same.
1896 * tree.c (build_cplus_array_type): Same.
1897 * typeck.c (build_ptrmemfunc_access_expr): Same.
1898 (cp_build_indirect_ref_1): Same.
1899 (cp_build_function_call_vec): Same.
1900 (warn_for_null_address): Same.
1901 (cp_build_binary_op): Same.
1902 (unary_complex_lvalue): Same.
1903 (cp_build_modify_expr): Same.
1904 (build_x_modify_expr): Same.
1905 (convert_for_assignment): Same.
1907 2021-06-24 Patrick Palka <ppalka@redhat.com>
1909 PR c++/98832
1910 * pt.c (maybe_aggr_guide): Handle alias templates appropriately.
1912 2021-06-24 Patrick Palka <ppalka@redhat.com>
1914 PR c++/101182
1915 * constraint.cc (evaluate_requires_expr): Adjust function comment.
1916 * cp-gimplify.c (cp_genericize_r) <case REQUIRES_EXPR>: Move to ...
1917 (cp_fold) <case REQUIRES_EXPR>: ... here.
1919 2021-06-24 Jakub Jelinek <jakub@redhat.com>
1921 * parser.c (cp_omp_split_clauses): Pass C_ORT_OMP_TARGET instead of
1922 C_ORT_OMP for clauses on target construct.
1923 (OMP_TARGET_CLAUSE_MASK): Add in_reduction clause.
1924 (cp_parser_omp_target): For non-combined target add
1925 map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION. Pass
1926 C_ORT_OMP_TARGET to finish_omp_clauses.
1927 * semantics.c (handle_omp_array_sections_1): Adjust ort handling
1928 for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are
1929 never present on C_ORT_*DECLARE_SIMD.
1930 (handle_omp_array_sections): Likewise.
1931 (finish_omp_clauses): Likewise. Handle OMP_CLAUSE_IN_REDUCTION
1932 on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on
1933 corresponding map clauses.
1934 * pt.c (tsubst_expr): Pass C_ORT_OMP_TARGET instead of C_ORT_OMP for
1935 clauses on target construct.
1937 2021-06-23 Patrick Palka <ppalka@redhat.com>
1939 PR c++/101174
1940 * pt.c (push_access_scope): For artificial deduction guides,
1941 set the access scope to that of the constructor.
1942 (pop_access_scope): Likewise.
1943 (build_deduction_guide): Don't set DECL_CONTEXT on the guide.
1945 2021-06-23 Patrick Palka <ppalka@redhat.com>
1947 PR c++/86439
1948 * call.c (print_error_for_call_failure): Constify 'args' parameter.
1949 (perform_dguide_overload_resolution): Define.
1950 * cp-tree.h: (perform_dguide_overload_resolution): Declare.
1951 * pt.c (do_class_deduction): Use perform_dguide_overload_resolution
1952 instead of build_new_function_call. Don't use tf_decltype or
1953 set cp_unevaluated_operand. Remove unnecessary NULL_TREE tests.
1955 2021-06-21 Patrick Palka <ppalka@redhat.com>
1957 PR c++/67302
1958 * typeck.c (check_return_expr): Call maybe_undo_parenthesized_ref
1959 sooner, before the NRVO handling.
1961 2021-06-21 Patrick Palka <ppalka@redhat.com>
1963 PR c++/80431
1964 * tree.c (bot_replace): Use convert_to_base to build the
1965 conversion to the (morally) virtual base.
1967 2021-06-21 Jakub Jelinek <jakub@redhat.com>
1969 PR inline-asm/100785
1970 * typeck.c (cxx_mark_addressable): Diagnose trying to make
1971 bit-fields addressable.
1973 2021-06-17 Jason Merrill <jason@redhat.com>
1975 PR c++/101106
1976 * decl.c (duplicate_decls): Make 'deleted after first declaration'
1977 pedwarn on by default.
1979 2021-06-17 Jason Merrill <jason@redhat.com>
1981 PR c++/101029
1982 * init.c (build_vec_init): Preserve the type of base.
1984 2021-06-16 Jason Merrill <jason@redhat.com>
1986 PR c++/101078
1987 PR c++/91706
1988 * pt.c (tsubst_baselink): Update binfos in non-dependent case.
1990 2021-06-15 Robin Dapp <rdapp@linux.ibm.com>
1992 * decl.c (duplicate_decls): Likewise.
1994 2021-06-14 Tobias Burnus <tobias@codesourcery.com>
1996 PR c/100913
1997 * parser.c (cp_parser_omp_clause_affinity): No need to set iterator
1998 var in the error case.
2000 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
2002 * constexpr.c (cxx_eval_call_expression): Iterate over vec<>
2003 with range based for.
2004 (cxx_eval_store_expression): Likewise.
2005 (cxx_eval_loop_expr): Likewise.
2006 * decl.c (wrapup_namespace_globals): Likewise.
2007 (cp_finish_decl): Likewise.
2008 (cxx_simulate_enum_decl): Likewise.
2009 * parser.c (cp_parser_postfix_expression): Likewise.
2011 2021-06-12 Jason Merrill <jason@redhat.com>
2013 PR c++/101029
2014 * init.c (build_vec_init): Shortcut [0] case.
2016 2021-06-12 Jason Merrill <jason@redhat.com>
2018 * pt.c (lookup_template_class_1): Shortcut current_class_type.
2020 2021-06-11 Patrick Palka <ppalka@redhat.com>
2022 DR 1227
2023 PR c++/96560
2024 * pt.c (tsubst_arg_types): Rearrange so that we substitute into
2025 TYPE_ARG_TYPES in forward order while short circuiting
2026 appropriately. Adjust formatting.
2028 2021-06-11 Jakub Jelinek <jakub@redhat.com>
2030 PR c++/100974
2031 * cp-tree.h (struct saved_scope): Add consteval_if_p
2032 member. Formatting fix for the discarded_stmt comment.
2033 (in_consteval_if_p, IF_STMT_CONSTEVAL_P): Define.
2034 * parser.c (cp_parser_lambda_expression): Temporarily disable
2035 in_consteval_if_p when parsing lambda body.
2036 (cp_parser_selection_statement): Parse consteval if.
2037 * decl.c (struct named_label_entry): Add in_consteval_if member.
2038 (level_for_consteval_if): New function.
2039 (poplevel_named_label_1, check_previous_goto_1, check_goto): Handle
2040 consteval if.
2041 * constexpr.c (cxx_eval_builtin_function_call): Clarify in comment
2042 why CP_BUILT_IN_IS_CONSTANT_EVALUATED needs to *non_constant_p
2043 for !ctx->manifestly_const_eval.
2044 (cxx_eval_conditional_expression): For IF_STMT_CONSTEVAL_P evaluate
2045 condition as if it was __builtin_is_constant_evaluated call.
2046 (potential_constant_expression_1): For IF_STMT_CONSTEVAL_P always
2047 recurse on both branches.
2048 * cp-gimplify.c (genericize_if_stmt): Genericize IF_STMT_CONSTEVAL_P
2049 as the else branch.
2050 * pt.c (tsubst_expr) <case IF_STMT>: Copy IF_STMT_CONSTEVAL_P.
2051 Temporarily set in_consteval_if_p when recursing on
2052 IF_STMT_CONSTEVAL_P then branch.
2053 (tsubst_lambda_expr): Temporarily disable
2054 in_consteval_if_p when instantiating lambda body.
2055 * call.c (immediate_invocation_p): Return false when
2056 in_consteval_if_p.
2058 2021-06-11 Marek Polacek <polacek@redhat.com>
2060 PR c++/100995
2061 * constexpr.c (maybe_constexpr_fn): New.
2062 * cp-tree.h (maybe_constexpr_fn): Declare.
2063 * semantics.c (find_std_constant_evaluated_r): New.
2064 (maybe_warn_for_constant_evaluated): New.
2065 (finish_if_stmt_cond): Call it.
2067 2021-06-10 Patrick Palka <ppalka@redhat.com>
2069 PR c++/67829
2070 * pt.c (unify) <case BOUND_TEMPLATE_TEMPLATE_PARM>: When
2071 the TEMPLATE_DECL of a BOUND_TEMPLATE_TEMPLATE_PARM argument is
2072 a template template parameter, adjust to the
2073 TEMPLATE_TEMPLATE_PARAMETER before falling through.
2075 2021-06-10 Patrick Palka <ppalka@redhat.com>
2077 PR c++/100946
2078 * constraint.cc (normalize_placeholder_type_constraints): When
2079 normalizing a non-templated return-type-requirement, add a dummy
2080 level to initial_parms.
2082 2021-06-08 Marek Polacek <polacek@redhat.com>
2084 PR c++/100065
2085 * decl.c (grokdeclarator): Store a value-dependent
2086 explicit-specifier even for deduction guides.
2088 2021-06-08 Jason Merrill <jason@redhat.com>
2090 * parser.c (cp_parser_string_literal): Adjust diagnostic.
2092 2021-06-08 Jason Merrill <jason@redhat.com>
2094 PR c++/100963
2095 * call.c (perfect_conversion_p): Check check_narrowing.
2097 2021-06-08 Jason Merrill <jason@redhat.com>
2099 PR c++/91706
2100 * name-lookup.c (get_class_binding): Keep a BASELINK.
2101 (set_inherited_value_binding_p): Adjust.
2102 * lambda.c (is_lambda_ignored_entity): Adjust.
2103 * pt.c (lookup_template_function): Copy a BASELINK before
2104 modifying it.
2106 2021-06-08 Jason Merrill <jason@redhat.com>
2108 PR c++/91706
2109 * semantics.c (baselink_for_fns): Fix BASELINK_BINFO.
2111 2021-06-08 Jason Merrill <jason@redhat.com>
2113 * module.cc (duplicate_hash::hash): Comment out.
2114 (trees_in::tree_value): Adjust loop counter.
2116 2021-06-08 Jason Merrill <jason@redhat.com>
2118 PR c++/100102
2119 * init.c (build_offset_ref): Return the BASELINK for a static
2120 member function.
2122 2021-06-07 Patrick Palka <ppalka@redhat.com>
2124 PR c++/100918
2125 * parser.c (cp_parser_lookup_name): Check access of the lookup
2126 result before we potentially adjust an injected-class-name to
2127 its TEMPLATE_DECL.
2129 2021-06-06 Jakub Jelinek <jakub@redhat.com>
2131 PR c/100902
2132 * parser.c (cp_parser_omp_target): Call c_omp_adjust_map_clauses
2133 even when target is combined with other constructs.
2135 2021-06-04 Patrick Palka <ppalka@redhat.com>
2137 PR c++/100893
2138 * pt.c (convert_template_argument): Strip top-level cv-quals
2139 on the substituted type of a non-type template parameter.
2141 2021-06-04 Patrick Palka <ppalka@redhat.com>
2143 PR c++/100102
2144 * pt.c (tsubst_function_decl): Remove old code for reducing
2145 args when it has excess levels.
2147 2021-06-04 Jakub Jelinek <jakub@redhat.com>
2149 PR c++/100872
2150 * name-lookup.c (maybe_save_operator_binding): Add op_attr after all
2151 ATTR_IS_DEPENDENT attributes in the DECL_ATTRIBUTES list rather than
2152 to the start.
2154 2021-06-03 Patrick Palka <ppalka@redhat.com>
2156 PR c++/100592
2157 * decl.c (make_typename_type): After calling
2158 lookup_template_class, adjust the result to its TYPE_NAME and
2159 then consider the tf_keep_type_decl flag.
2161 2021-06-03 Patrick Palka <ppalka@redhat.com>
2163 PR c++/100862
2164 * pt.c (set_current_access_from_decl): Move to ...
2165 * class.c (set_current_access_from_decl): ... here.
2166 (handle_using_decl): Use it to propagate the access of the
2167 using-enum decl to the copy of the imported enumerator.
2168 * cp-tree.h (set_current_access_from_decl): Declare.
2169 * decl.c (build_enumerator): Simplify using make_temp_override
2170 and set_current_access_from_decl.
2172 2021-06-03 Jakub Jelinek <jakub@redhat.com>
2174 PR c++/100859
2175 * semantics.c (handle_omp_array_sections_1): For
2176 OMP_CLAUSE_{AFFINITY,DEPEND} handle FIELD_DECL base using
2177 finish_non_static_data_member and allow this as base.
2178 (finish_omp_clauses): Move OMP_CLAUSE_AFFINITY
2179 after depend only cases. Let this be diagnosed by !lvalue_p
2180 case for OMP_CLAUSE_{AFFINITY,DEPEND} and remove useless
2181 assert.
2182 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_AFFINITY.
2184 2021-06-02 Jason Merrill <jason@redhat.com>
2186 PR c++/100838
2187 * call.c (convert_like_internal): Clear tf_no_cleanup when
2188 recursing.
2189 (build_user_type_conversion_1): Only add ck_rvalue if
2190 LOOKUP_ONLYCONVERTING.
2192 2021-06-01 Patrick Palka <ppalka@redhat.com>
2194 PR c++/65816
2195 * init.c (expand_aggr_init_1): Check
2196 type_has_non_user_provided_default_constructor instead of
2197 type_has_user_provided_constructor.
2199 2021-06-01 Jason Merrill <jason@redhat.com>
2201 PR c++/91859
2202 * call.c (build_op_delete_call): Don't set CALL_FROM_NEW_OR_DELETE_P
2203 for destroying delete.
2204 * init.c (build_delete): Don't clobber before destroying delete.
2206 2021-06-01 Jason Merrill <jason@redhat.com>
2208 PR c++/94492
2209 * decl2.c (cp_warn_deprecated_use): Check warning_enabled_at.
2211 2021-05-31 Richard Biener <rguenther@suse.de>
2213 PR c++/88601
2214 * cp-objcp-common.c (names_builtin_p): Handle
2215 RID_BUILTIN_SHUFFLEVECTOR.
2216 * cp-tree.h (build_x_shufflevector): Declare.
2217 * parser.c (cp_parser_postfix_expression): Handle
2218 RID_BUILTIN_SHUFFLEVECTOR.
2219 * pt.c (tsubst_copy_and_build): Handle IFN_SHUFFLEVECTOR.
2220 * typeck.c (build_x_shufflevector): Build either a lowered
2221 VEC_PERM_EXPR or an unlowered shufflevector via a temporary
2222 internal function IFN_SHUFFLEVECTOR.
2224 2021-05-28 Jason Merrill <jason@redhat.com>
2226 * constexpr.c (build_data_member_initialization): Use tsi_range.
2227 (build_constexpr_constructor_member_initializers): Likewise.
2228 (constexpr_fn_retval, cxx_eval_statement_list): Likewise.
2229 (potential_constant_expression_1): Likewise.
2230 * coroutines.cc (await_statement_expander): Likewise.
2231 (await_statement_walker): Likewise.
2232 * module.cc (trees_out::core_vals): Likewise.
2233 * pt.c (tsubst_expr): Likewise.
2234 * semantics.c (set_cleanup_locs): Likewise.
2236 2021-05-28 Jason Merrill <jason@redhat.com>
2238 PR c++/100797
2239 PR c++/95719
2240 * call.c (build_over_call): Adjust base_binfo in
2241 resolves_to_fixed_type_p case.
2243 2021-05-28 Jakub Jelinek <jakub@redhat.com>
2245 PR middle-end/99928
2246 * semantics.c (handle_omp_array_sections): Copy
2247 OMP_CLAUSE_MAP_IMPLICIT.
2248 (finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
2249 marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT. Add
2250 map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER
2251 maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is
2252 present too. For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause
2253 if present in map_head, map_field_head or map_firstprivate_head
2254 bitmaps.
2256 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
2258 * parser.c (cp_parser_omp_clause_affinity): New.
2259 (cp_parser_omp_clause_name, cp_parser_omp_var_list_no_open,
2260 cp_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity
2261 clause.
2262 * semantics.c (handle_omp_array_sections_1, handle_omp_array_sections,
2263 finish_omp_clauses): Likewise.
2265 2021-05-27 Matthias Kretz <kretz@kde.org>
2267 PR c++/100716
2268 * error.c (dump_template_bindings): Include code to print
2269 "[with" and ']', conditional on whether anything is printed at
2270 all. This is tied to whether a semicolon is needed to separate
2271 multiple template parameters. If the template argument repeats
2272 the template parameter (T = T), then skip the parameter.
2273 (dump_substitution): Moved code to print "[with" and ']' to
2274 dump_template_bindings.
2275 (dump_function_decl): Partial revert of PR50828, which masked
2276 TFF_TEMPLATE_NAME for all of dump_function_decl. Now
2277 TFF_TEMPLATE_NAME is masked for the scope of the function and
2278 only carries through to dump_function_name.
2279 (dump_function_name): Avoid calling dump_template_parms if
2280 TFF_TEMPLATE_NAME is set.
2282 2021-05-27 Matthias Kretz <kretz@kde.org>
2284 PR c++/100763
2285 * error.c: Call dump_scope when printing a typedef.
2287 2021-05-27 Patrick Palka <ppalka@redhat.com>
2289 PR c++/99893
2290 * tree.c (cp_walk_subtrees) <case STATIC_ASSERT>: New case.
2292 2021-05-27 Jason Merrill <jason@redhat.com>
2294 PR c++/86355
2295 * pt.c (use_pack_expansion_extra_args_p): Don't compare
2296 args from the same argument pack.
2298 2021-05-27 Patrick Palka <ppalka@redhat.com>
2300 DR 1315
2301 PR c++/67593
2302 PR c++/96555
2303 * pt.c (process_partial_specialization): Don't error on a
2304 non-simple non-type template argument that involves template
2305 parameters.
2306 (for_each_template_parm_r): Don't walk TRAIT_EXPR, PLUS_EXPR,
2307 MULT_EXPR, or SCOPE_REF when include_nondeduced_p is false.
2309 2021-05-26 Patrick Palka <ppalka@redhat.com>
2311 PR c++/100502
2312 * typeck.c (finish_class_member_access_expr): Disable ahead
2313 of time access checking during the member lookup.
2315 2021-05-26 Patrick Palka <ppalka@redhat.com>
2317 PR c++/100368
2318 * tree.c (build_target_expr_with_type): Don't call force_rvalue
2319 on CALL_EXPR initializer. Simplify now that bot_manip is no
2320 longer a caller.
2321 (bot_manip): Use force_target_expr instead of
2322 build_target_expr_with_type.
2324 2021-05-26 Patrick Palka <ppalka@redhat.com>
2326 PR c++/97420
2327 * cvt.c (noexcept_conv_p): Remove redundant checks and simplify.
2328 (fnptr_conv_p): Don't call non_reference. Use INDIRECT_TYPE_P
2329 instead of TYPE_PTR_P.
2330 * pt.c (convert_nontype_argument_function): Look through
2331 implicit INDIRECT_REFs before calling strip_fnptr_conv.
2333 2021-05-25 Jakub Jelinek <jakub@redhat.com>
2335 PR c++/100666
2336 * call.c (convert_arg_to_ellipsis): For expressions with NULLPTR_TYPE
2337 and side-effects, temporarily disable -Wunused-result warning when
2338 building COMPOUND_EXPR.
2340 2021-05-21 Jakub Jelinek <jakub@redhat.com>
2342 PR middle-end/99928
2343 * semantics.c (finish_omp_clauses): Move firstprivate clauses with
2344 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain. Don't error
2345 if a decl is mentioned both in map clause and in such firstprivate
2346 clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set.
2348 2021-05-20 Jason Merrill <jason@redhat.com>
2350 * call.c (reference_binding): Check for designator.
2351 (implicit_conversion_1, build_special_member_call): Likewise.
2352 * decl.c (reshape_init_r): Likewise.
2353 * pt.c (do_class_deduction): Likewise.
2354 * typeck2.c (digest_init_r): Likewise.
2356 2021-05-20 Jason Merrill <jason@redhat.com>
2358 PR c++/100489
2359 * decl.c (reshape_init_class): Handle designator for
2360 member of anonymous aggregate here.
2361 * typeck2.c (process_init_constructor_record): Not here.
2363 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
2365 * call.c (maybe_warn_array_conv): Use new warning option.
2366 * decl.c (mark_inline_variable, grokdeclarator): Likewise.
2367 * error.c (maybe_warn_cpp0x): Likewise.
2368 * parser.c (cp_parser_primary_expression)
2369 (cp_parser_unqualified_id)
2370 (cp_parser_pseudo_destructor_name)
2371 (cp_parser_lambda_introducer)
2372 (cp_parser_lambda_declarator_opt)
2373 (cp_parser_selection_statement)
2374 (cp_parser_init_statement)
2375 (cp_parser_decomposition_declaration)
2376 (cp_parser_function_specifier_opt)
2377 (cp_parser_static_assert)
2378 (cp_parser_namespace_definition)
2379 (cp_parser_using_declaration)
2380 (cp_parser_asm_definition)
2381 (cp_parser_ctor_initializer_opt_and_function_body)
2382 (cp_parser_initializer_list)
2383 (cp_parser_type_parameter_key)
2384 (cp_parser_member_declaration)
2385 (cp_parser_try_block)
2386 (cp_parser_std_attribute_spec): Likewise.
2387 * pt.c (check_template_variable): Likewise.
2389 2021-05-20 Jason Merrill <jason@redhat.com>
2391 PR c++/100634
2392 * pt.c (invalid_nontype_parm_type_p): Return true for COMPLEX_TYPE.
2394 2021-05-20 Jason Merrill <jason@redhat.com>
2396 PR c++/100659
2397 * cp-tree.h (CONST_DECL_USING_P): Check for null TREE_TYPE.
2399 2021-05-19 Jason Merrill <jason@redhat.com>
2401 PR c++/100367
2402 PR c++/96299
2403 * method.c (genericize_spaceship): Use fold_build2 for scalar
2404 operands.
2406 2021-05-19 Jason Merrill <jason@redhat.com>
2408 * pt.c (build_deduction_guide): Treat the implicit deduction guide
2409 as a member of the class.
2411 2021-05-19 Marek Polacek <polacek@redhat.com>
2413 PR c++/100596
2414 * cp-tree.h (any_non_type_attribute_p): Remove.
2415 * decl.c (grokdeclarator): Turn an error into a warning and only
2416 warn for standard attributes.
2417 * decl2.c (any_non_type_attribute_p): Remove.
2418 * parser.c (cp_parser_elaborated_type_specifier): Turn an error
2419 into a warning and only warn for standard attributes.
2420 (cp_parser_member_declaration): Likewise.
2422 2021-05-19 Martin Liska <mliska@suse.cz>
2424 PR testsuite/100658
2425 * mangle.c (write_encoding): Fix typos.
2427 2021-05-19 Jakub Jelinek <jakub@redhat.com>
2429 PR middle-end/99928
2430 * parser.c (cp_parser_omp_master): Set OMP_MASTER_COMBINED on
2431 master when combined with taskloop.
2432 (cp_parser_omp_parallel): Don't set OMP_PARALLEL_COMBINED on
2433 parallel master when not combined with taskloop.
2435 2021-05-19 Jason Merrill <jason@redhat.com>
2437 PR c++/100261
2438 * rtti.c (get_tinfo_decl_direct): Check TYPE_TRANSPARENT_AGGR.
2440 2021-05-19 Jason Merrill <jason@redhat.com>
2442 PR c++/100372
2443 * tree.c (strip_typedefs): Only look at the pattern of a
2444 TYPE_PACK_EXPANSION if it's a type.
2446 2021-05-18 Marek Polacek <polacek@redhat.com>
2448 * class.c (classtype_has_non_deleted_copy_ctor): Remove.
2449 * constraint.cc (contains_wildcard_p): Likewise.
2450 (get_template_head_requirements): Likewise.
2451 (check_constrained_friend): Likewise.
2452 (subsumes_constraints): Likewise.
2453 * cp-tree.h (classtype_has_non_deleted_copy_ctor): Likewise.
2454 (push_void_library_fn): Likewise.
2455 (get_pattern_parm): Likewise.
2456 (get_template_parms_at_level): Likewise.
2457 (lambda_return_type): Likewise.
2458 (get_template_head_requirements): Likewise.
2459 (check_constrained_friend): Likewise.
2460 (subsumes_constraints): Likewise.
2461 * decl.c (push_void_library_fn): Likewise.
2462 * lambda.c (lambda_return_type): Likewise.
2463 * pt.c (get_template_parms_at_level): Likewise.
2464 (get_pattern_parm): Likewise.
2466 2021-05-18 Jason Merrill <jason@redhat.com>
2468 PR c++/100644
2469 * call.c (perfect_candidate_p): An implicitly deleted move
2470 is not perfect.
2472 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
2474 PR c++/100281
2475 * cvt.c (cp_convert_to_pointer): Use the size of the target
2476 pointer type.
2477 * tree.c (cp_build_reference_type): Call
2478 cp_build_reference_type_for_mode with VOIDmode.
2479 (cp_build_reference_type_for_mode): Rename from
2480 cp_build_reference_type. Add MODE argument and invoke
2481 build_reference_type_for_mode.
2482 (strip_typedefs): Use build_pointer_type_for_mode and
2483 cp_build_reference_type_for_mode for pointers and references.
2485 2021-05-17 Jonathan Wakely <jwakely@redhat.com>
2487 PR c++/100635
2488 * call.c (convert_like_internal): Print different diagnostic if
2489 the lvalue reference is const.
2491 2021-05-14 Jason Merrill <jason@redhat.com>
2493 PR c++/95870
2494 * pt.c (enclosing_instantiation_of): Just compare
2495 DECL_SOURCE_LOCATION.
2496 (regenerate_decl_from_template): Copy DECL_SOURCE_LOCATION.
2498 2021-05-14 Marek Polacek <polacek@redhat.com>
2499 Jason Merrill <jason@redhat.com>
2501 PR c++/99032
2502 * cp-tree.h (any_non_type_attribute_p): Declare.
2503 * decl.c (grokdeclarator): Diagnose when an attribute appertains to
2504 a friend declaration that is not a definition.
2505 * decl2.c (any_non_type_attribute_p): New.
2506 * parser.c (cp_parser_decl_specifier_seq): Diagnose standard attributes
2507 in the middle of decl-specifiers.
2508 (cp_parser_elaborated_type_specifier): Diagnose when an attribute
2509 appertains to a friend declaration that is not a definition.
2510 (cp_parser_member_declaration): Likewise.
2512 2021-05-12 Marek Polacek <polacek@redhat.com>
2514 * pt.c (tsubst_copy_and_build): Add warn_int_in_bool_context
2515 sentinel.
2517 2021-05-12 Marcel Vollweiler <marcel@codesourcery.com>
2519 * parser.c (cp_parser_omp_clause_map): Support map-type-modifier
2520 'close'.
2522 2021-05-11 Jason Merrill <jason@redhat.com>
2524 PR c++/100517
2525 * typeck.c (build_reinterpret_cast_1): Check intype on
2526 cast to vector.
2528 2021-05-11 Patrick Palka <ppalka@redhat.com>
2530 PR c++/51577
2531 * name-lookup.c (maybe_save_operator_binding): Unconditionally
2532 enable for all function templates, not just generic lambdas.
2533 Handle compound-assignment operator expressions.
2534 * typeck.c (build_x_compound_expr): Call maybe_save_operator_binding
2535 in the type-dependent case.
2536 (build_x_modify_expr): Likewise. Move declaration of 'op' closer
2537 to its first use.
2539 2021-05-11 Patrick Palka <ppalka@redhat.com>
2541 PR c++/100138
2542 * constraint.cc (tsubst_constraint): Set up cp_unevaluated.
2543 (satisfy_atom): Set up iloc_sentinel before calling
2544 cxx_constant_value.
2545 * pt.c (tsubst_pack_expansion): When returning a rebuilt pack
2546 expansion, carry over PACK_EXPANSION_LOCAL_P and
2547 PACK_EXPANSION_SIZEOF_P from the original pack expansion.
2549 2021-05-10 Richard Biener <rguenther@suse.de>
2551 PR middle-end/100464
2552 PR c++/100468
2553 * call.c (set_up_extended_ref_temp): Mark the temporary
2554 addressable if the TARGET_EXPR was.
2556 2021-05-10 Martin Liska <mliska@suse.cz>
2558 * decl.c (duplicate_decls): Use startswith
2559 function instead of strncmp.
2560 (cxx_builtin_function): Likewise.
2561 (omp_declare_variant_finalize_one): Likewise.
2562 (grokfndecl): Likewise.
2563 * error.c (dump_decl_name): Likewise.
2564 * mangle.c (find_decomp_unqualified_name): Likewise.
2565 (write_guarded_var_name): Likewise.
2566 (decl_tls_wrapper_p): Likewise.
2567 * parser.c (cp_parser_simple_type_specifier): Likewise.
2568 (cp_parser_tx_qualifier_opt): Likewise.
2569 * pt.c (template_parm_object_p): Likewise.
2570 (dguide_name_p): Likewise.
2572 2021-05-10 Martin Liska <mliska@suse.cz>
2574 PR c++/99616
2575 * decl.c (grokdeclarator): Remove redundant NULL check.
2577 2021-05-07 Jason Merrill <jason@redhat.com>
2579 * tree.c (rvalue): Assert expr is not a class lvalue.
2581 2021-05-07 Jason Merrill <jason@redhat.com>
2583 * cp-tree.h (build_stub_object): Declare.
2584 * method.c (build_stub_object): No longer static.
2585 * call.c (can_convert): Use it.
2586 * tree.c (build_dummy_object): Adjust comment.
2587 * typeck.c (cp_build_binary_op): Wrap SPACESHIP_EXPR in a
2588 TARGET_EXPR.
2590 2021-05-07 Jason Merrill <jason@redhat.com>
2592 * coroutines.cc (build_co_await): Don't call 'rvalue'.
2593 (flatten_await_stmt): Simplify initialization.
2594 (morph_fn_to_coro): Change 'rvalue' to 'move'. Simplify.
2596 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
2598 * semantics.c (finish_omp_reduction_clause): Accept float + complex
2599 for || and && reductions.
2601 2021-05-03 Patrick Palka <ppalka@redhat.com>
2603 PR c++/100362
2604 * parser.c (cp_parser_class_head): Reinstate calls to pushclass
2605 and popclass when parsing the base-clause that were removed in
2606 r11-6815.
2608 2021-05-03 Patrick Palka <ppalka@redhat.com>
2610 PR c++/68942
2611 PR c++/100344
2612 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Set tf_conv
2613 only when the callee is a FUNCTION_DECL.
2615 2021-05-03 Marek Polacek <polacek@redhat.com>
2617 PR c++/100055
2618 * decl.c (grokfndecl): Check current_template_parms.
2620 2021-05-03 Marek Polacek <polacek@redhat.com>
2622 DR 1312
2623 * constexpr.c (cxx_eval_constant_expression): Don't check
2624 integer_zerop.
2626 2021-05-01 Jason Merrill <jason@redhat.com>
2628 * cp-tree.h (class ovl_iterator): Allow copying. Add op==.
2629 (class ovl_range, class lkp_range): New.
2630 * call.c (build_op_call_1, add_candidates): Use them.
2631 (build_op_delete_call, has_trivial_copy_assign_p): Likewise.
2632 (has_trivial_copy_p): Likewise.
2633 * class.c (handle_using_decl, get_basefndecls): Likewise.
2634 (maybe_warn_about_overly_private_class): Likewise.
2635 (warn_hidden, add_implicitly_declared_members): Likewise.
2636 (check_methods, clone_constructors_and_destructors): Likewise.
2637 (type_has_user_nondefault_constructor): Likewise.
2639 2021-04-29 Jason Merrill <jason@redhat.com>
2641 * constexpr.c (cxx_fold_indirect_ref_1): Only set *empty_base if we
2642 don't find a field.
2644 2021-04-29 Jason Merrill <jason@redhat.com>
2646 PR c++/51344
2647 * decl2.c (grokfield): Call cplus_decl_attributes for friend.
2648 (save_template_attributes): Use chainon.
2649 * friend.c (do_friend): Remove attrlist parm.
2650 * cp-tree.h (do_friend): Adjust.
2651 * class.c (add_implicitly_declared_members): Adjust.
2652 * decl.c (grokdeclarator): Adjust.
2653 * pt.c (apply_late_template_attributes): Optimize.
2655 2021-04-29 Jason Merrill <jason@redhat.com>
2657 PR c++/97974
2658 * class.c (finish_struct_anon_r): Drop complain parm.
2659 Remove non-field diagnostic.
2660 (finish_struct_anon): Adjust.
2661 * decl.c (fixup_anonymous_aggr): Move non-field diagnostic here.
2663 2021-04-29 Jason Merrill <jason@redhat.com>
2665 * cp-tree.h (cp_evaluated): Add reset parm to constructor.
2666 * parser.c (cp_parser_constant_expression): Change
2667 allow_non_constant_p to int. Use cp_evaluated.
2668 (cp_parser_initializer_clause): Pass 2 to allow_non_constant_p.
2669 * semantics.c (finish_id_expression_1): Don't mess with
2670 cp_unevaluated_operand here.
2672 2021-04-29 Jason Merrill <jason@redhat.com>
2674 * cp-tree.h: Clarify comments.
2675 * pt.c (get_template_parm_object): Add assert.
2676 * semantics.c (finish_compound_literal): Clear TREE_HAS_CONSTRUCTOR.
2677 * tree.c (zero_init_expr_p): Check TREE_HAS_CONSTRUCTOR.
2678 * typeck2.c (store_init_value): Likewise.
2680 2021-04-29 Patrick Palka <ppalka@redhat.com>
2682 PR c++/68942
2683 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: When KOENIG_P,
2684 set tf_conv during the initial substitution into the function.
2686 2021-04-29 Jakub Jelinek <jakub@redhat.com>
2688 PR c++/100319
2689 * semantics.c (finish_omp_clauses): Fix up check that variable
2690 mentioned in detach clause doesn't appear in data-sharing clauses.
2692 2021-04-28 Jakub Jelinek <jakub@redhat.com>
2694 * module.cc: Remove #error that triggers if DEV-PHASE is empty.
2696 2021-04-27 Jason Merrill <jason@redhat.com>
2698 PR c++/92145
2699 * class.c (classtype_has_depr_implicit_copy): Check DECL_CONTEXT
2700 of operator=.
2702 2021-04-27 Patrick Palka <ppalka@redhat.com>
2704 PR c++/88580
2705 * pt.c (tsubst_initializer_list): Correctly handle the case
2706 where an argument inside a base initializer pack expansion is
2707 itself a pack expansion.
2709 2021-04-26 Patrick Palka <ppalka@redhat.com>
2711 PR c++/100209
2712 * constexpr.c (cxx_fold_indirect_ref): Try to canonicalize the
2713 object/offset pair for a POINTER_PLUS_EXPR of a COMPONENT_REF
2714 with a negative offset into one whose offset is nonnegative
2715 before calling cxx_fold_indirect_ref_1.
2717 2021-04-24 Patrick Palka <ppalka@redhat.com>
2719 PR c++/89565
2720 PR c++/93383
2721 PR c++/95291
2722 PR c++/99200
2723 PR c++/99683
2724 * pt.c (do_class_deduction): Punt if the initializer is
2725 type-dependent.
2727 2021-04-24 Patrick Palka <ppalka@redhat.com>
2729 PR c++/87709
2730 * parser.c (cp_parser_type_id_1): If we see a template
2731 placeholder, first try simulating an error before issuing
2732 a real error.
2734 2021-04-23 Patrick Palka <ppalka@redhat.com>
2736 PR c++/98767
2737 * cxx-pretty-print.c (pp_cxx_parameter_declaration_clause):
2738 Adjust parameter list loop to iterate over 'types' instead of
2739 'args'. Output the trailing '...' for a variadic function.
2740 Remove PARM_DECL support.
2741 (pp_cxx_requires_expr): Pretty print the parameter list directly
2742 instead of going through pp_cxx_parameter_declaration_clause.
2744 2021-04-23 Patrick Palka <ppalka@redhat.com>
2746 DR 2374
2747 * decl.c (is_direct_enum_init): Check the implicit
2748 convertibility requirement added by CWG 2374.
2750 2021-04-23 Martin Liska <mliska@suse.cz>
2752 * cp-tree.h (STATIC_ASSERT): Prefer static assert.
2753 * lex.c (init_operators): Remove run-time check.
2755 2021-04-22 Marek Polacek <polacek@redhat.com>
2757 PR c++/100161
2758 * pt.c (tsubst_copy_and_build) <case PLUS_EXPR>: Test op0 and
2759 op1 separately for value- or type-dependence.
2761 2021-04-21 Marek Polacek <polacek@redhat.com>
2763 PR c++/96380
2764 * parser.c (cp_parser_enum_specifier): Don't allow defining
2765 types in enum-base.
2767 2021-04-21 Martin Liska <mliska@suse.cz>
2769 Revert:
2770 2021-04-21 Martin Liska <mliska@suse.cz>
2772 * error.c (dump_decl): Use flags in dump_generic_node call.
2774 2021-04-21 Martin Liska <mliska@suse.cz>
2776 * error.c (dump_decl): Use flags in dump_generic_node call.
2778 2021-04-21 Martin Liska <mliska@suse.cz>
2780 * error.c (dump_decl): Support anonymous labels.
2782 2021-04-20 Jason Merrill <jason@redhat.com>
2784 PR c++/100109
2785 * pt.c (find_parameter_packs_r): Look into enum initializers.
2787 2021-04-19 Marek Polacek <polacek@redhat.com>
2789 PR c++/97536
2790 * decl.c (grokvardecl): Given an error when a concept is not defined
2791 at namespace scope.
2793 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2795 PR c++/100111
2796 * constexpr.c (cxx_eval_store_expression): Don't add CONSTRUCTORs
2797 for empty classes into *valp when types don't match even when *valp
2798 is NULL.
2800 2021-04-16 Marek Polacek <polacek@redhat.com>
2802 PR c++/99803
2803 * decl.c (make_typename_type): Give an error and return when
2804 name is is_overloaded_fn.
2805 * parser.c (cp_parser_class_name): Don't check is_overloaded_fn
2806 before calling make_typename_type.
2808 2021-04-16 Patrick Palka <ppalka@redhat.com>
2810 PR c++/99700
2811 * constexpr.c (reduced_constant_expression_p): For array
2812 CONSTRUCTORs, use a dedicated loop that additionally verifies
2813 the CONSTRUCTOR spans the entire array.
2815 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2817 PR c++/99850
2818 * parser.c (cp_parser_constraint_requires_parens) <case CPP_DEREF>:
2819 If lambda_p, return pce_ok instead of pce_maybe_postfix.
2821 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2823 PR c++/99833
2824 * pt.c (extract_locals_r): When handling DECL_EXPR of a structured
2825 binding, add to data.internal also all corresponding structured
2826 binding decls.
2828 2021-04-16 Jason Merrill <jason@redhat.com>
2830 PR c++/100079
2831 * cp-tree.h (first_field): Declare.
2832 * mangle.c (range_expr_nelts): New.
2833 (write_expression): Improve class NTTP mangling.
2834 * pt.c (get_template_parm_object): Clear TREE_HAS_CONSTRUCTOR.
2835 * tree.c (zero_init_expr_p): Improve class NTTP handling.
2836 * decl.c: Adjust comment.
2838 2021-04-15 Jason Merrill <jason@redhat.com>
2840 PR c++/80456
2841 * call.c (build_new_method_call_1): Check again for side-effects
2842 with a volatile object.
2844 2021-04-15 Jason Merrill <jason@redhat.com>
2846 PR c++/100101
2847 PR c++/99583
2848 * pt.c (find_parameter_packs_r) [FUNCTION_TYPE]: Walk into
2849 TYPE_RAISES_EXCEPTIONS here.
2850 * tree.c (cp_walk_subtrees): Not here.
2852 2021-04-15 Jason Merrill <jason@redhat.com>
2854 PR c++/100091
2855 PR c++/99478
2856 * parser.c (cp_parser_default_type_template_argument): Set
2857 parser->local_variables_forbidden_p.
2859 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
2861 PR c++/98852
2862 * typeck.c (merge_type_attributes_from): New function.
2863 (cp_common_type): Use it for vector types.
2865 2021-04-14 Jason Merrill <jason@redhat.com>
2867 PR c++/100078
2868 PR c++/93085
2869 * pt.c (uses_outer_template_parms): Also look at default
2870 template argument.
2872 2021-04-14 Jason Merrill <jason@redhat.com>
2874 PR c++/93314
2875 * semantics.c (finish_id_expression_1): Clear cp_unevaluated_operand
2876 for a non-static data member in a constant-expression.
2878 2021-04-14 Patrick Palka <ppalka@redhat.com>
2880 PR c++/83476
2881 PR c++/99885
2882 * pt.c (deducible_expression): Look through implicit
2883 INDIRECT_REFs as well.
2885 2021-04-14 Jason Merrill <jason@redhat.com>
2887 PR c++/99478
2888 * parser.c (cp_parser_lambda_expression): Reject lambda
2889 in template parameter type.
2891 2021-04-14 Jason Merrill <jason@redhat.com>
2893 PR c++/90674
2894 * decl.c (duplicate_decls): Don't propagate
2895 DECL_INITIALIZED_IN_CLASS_P to a specialization.
2897 2021-04-14 Jason Merrill <jason@redhat.com>
2899 PR c++/88742
2900 PR c++/49951
2901 PR c++/58123
2902 * semantics.c (set_cleanup_locs): New.
2903 (do_poplevel): Call it.
2904 * parser.c (cp_parser_compound_statement): Consume the }
2905 before finish_compound_stmt.
2907 2021-04-13 Jason Merrill <jason@redhat.com>
2909 PR c++/100032
2910 * pt.c (get_underlying_template): Compare TYPE_QUALS.
2912 2021-04-13 Jason Merrill <jason@redhat.com>
2914 PR c++/100054
2915 PR c++/90479
2916 * init.c (get_nsdmi): Do more context adjustment for local classes.
2918 2021-04-13 Patrick Palka <ppalka@redhat.com>
2920 PR c++/99008
2921 * pt.c (do_class_deduction): Reject alias CTAD in C++17 mode
2922 rather than issuing a pedwarn.
2923 * typeck2.c (build_functional_cast_1): Handle CTAD uniformly
2924 for consistent diagnostics.
2926 2021-04-13 Jason Merrill <jason@redhat.com>
2928 PR c++/91933
2929 * class.c (build_base_path): Shortcut simple non-pointer case.
2931 2021-04-13 Eric Botcazou <ebotcazou@adacore.com>
2933 * module.cc (ordinary_loc_of): Test LINEMAPS_MACRO_LOWEST_LOCATION
2934 of the linemap.
2935 (module_state::write_location): Likewise.
2937 2021-04-13 Patrick Palka <ppalka@redhat.com>
2939 PR c++/97134
2940 * pt.c (do_class_deduction): Look through EXPR_PACK_EXPANSION
2941 when checking if the initializer is an equivalent class
2942 placeholder template parameter.
2944 2021-04-13 Patrick Palka <ppalka@redhat.com>
2946 PR c++/99961
2947 PR c++/99994
2948 * constraint.cc (satisfy_normalized_constraints): Set
2949 cp_unevaluated.
2950 * parser.c (cp_parser_concept_definition): Likewise.
2951 (cp_parser_requires_clause_opt): Likewise.
2953 2021-04-12 Jason Merrill <jason@redhat.com>
2955 PR c++/93085
2956 * pt.c (uses_outer_template_parms): Handle non-type and template
2957 template parameters specifically.
2959 2021-04-11 Jason Merrill <jason@redhat.com>
2961 PR c++/97974
2962 * decl.c (fixup_anonymous_aggr): Prune all functions from
2963 CLASSTYPE_MEMBER_VEC.
2965 2021-04-10 Jason Merrill <jason@redhat.com>
2967 PR c++/98800
2968 PR c++/97399
2969 * parser.c (cp_parser_direct_declarator): Don't
2970 inject_this_parameter if static_p.
2971 (cp_parser_omp_var_list_no_open): Parse 'this' even if
2972 current_class_ptr isn't set for a better diagnostic.
2974 2021-04-10 Jason Merrill <jason@redhat.com>
2976 PR c++/99180
2977 PR c++/93295
2978 PR c++/93867
2979 PR c++/99118
2980 PR c++/96873
2981 * pt.c (alias_ctad_tweaks): Handle failure better.
2983 2021-04-10 Jason Merrill <jason@redhat.com>
2985 PR c++/100006
2986 * pt.c (find_parameter_packs_r) [TAG_DEFN]: Look into bases.
2988 2021-04-09 Patrick Palka <ppalka@redhat.com>
2990 * cp-tree.h (LAMBDA_EXPR_REGENERATED_FROM)
2991 (LAMBDA_EXPR_REGENERATING_TARGS): Replace these with ...
2992 (LAMBDA_EXPR_REGEN_INFO): ... this.
2993 (tree_lambda_expr::regenerated_from)
2994 (tree_lambda_expr::regenerating_targs): Replace these with ...
2995 (tree_lambda_expr::regen_info): ... this.
2996 * constraint.cc (satisfy_declaration_constraints): Adjust
2997 accordingly.
2998 * lambda.c (build_lambda_expr): Likewise.
2999 * pt.c (regenerated_lambda_fn_p): Likewise.
3000 (most_general_lambda): Likewise.
3001 (tsubst_lambda_expr): Likewise.
3003 2021-04-09 Marek Polacek <polacek@redhat.com>
3005 PR c++/99806
3006 * parser.c (cp_parser_member_declaration): Call
3007 cp_parser_save_default_args even for function templates. Use
3008 STRIP_TEMPLATE on the declaration we're passing.
3010 2021-04-08 Patrick Palka <ppalka@redhat.com>
3012 PR c++/99874
3013 * constraint.cc (get_normalized_constraints_from_decl): Handle
3014 regenerated lambdas.
3015 (satisfy_declaration_constraints): Likewise. Check for
3016 dependent args later.
3017 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): Replace with ...
3018 (LAMBDA_EXPR_REGENERATED_FROM): ... this.
3019 (LAMBDA_EXPR_REGENERATING_TARGS): New.
3020 (tree_lambda_expr::regenerated_from): New data member.
3021 (tree_lambda_expr::regenerating_targs): New data member.
3022 (add_to_template_args): Declare.
3023 (regenerated_lambda_fn_p): Likewise.
3024 (most_general_lambda): Likewise.
3025 * lambda.c (build_lambda_expr): Set LAMBDA_EXPR_REGENERATED_FROM
3026 and LAMBDA_EXPR_REGENERATING_TARGS.
3027 * pt.c (add_to_template_args): No longer static.
3028 (tsubst_function_decl): Unconditionally propagate constraints on
3029 the substituted function decl.
3030 (instantiated_lambda_fn_p): Rename to ...
3031 (regenerated_lambda_fn_p): ... this. Check
3032 LAMBDA_EXPR_REGENERATED_FROM instead of
3033 LAMBDA_EXPR_INSTANTIATED.
3034 (most_general_lambda): Define.
3035 (enclosing_instantiation_of): Adjust after renaming
3036 instantiated_lambda_fn_p.
3037 (tsubst_lambda_expr): Don't set LAMBDA_EXPR_INSTANTIATED. Set
3038 LAMBDA_EXPR_REGENERATED_FROM and LAMBDA_EXPR_REGENERATING_TARGS.
3039 Don't substitute or set constraints on the regenerated lambda.
3041 2021-04-08 Patrick Palka <ppalka@redhat.com>
3043 PR c++/97679
3044 * pt.c (build_deduction_guide): Document OUTER_ARGS. Substitute
3045 them into the propagated constraints.
3047 2021-04-08 Jason Merrill <jason@redhat.com>
3049 PR c++/91849
3050 * call.c (convert_like_internal): Improve reference diagnostic.
3052 2021-04-08 Jakub Jelinek <jakub@redhat.com>
3054 PR c++/99859
3055 * constexpr.c (addr_of_non_const_var): New function.
3056 (cxx_bind_parameters_in_call): Set *non_constant_args to true
3057 even if cp_walk_tree on arg with addr_of_non_const_var callback
3058 returns true.
3060 2021-04-08 Jason Merrill <jason@redhat.com>
3062 PR c++/94529
3063 * pt.c (determine_specialization): Improve diagnostic.
3065 2021-04-08 Marek Polacek <polacek@redhat.com>
3067 PR c++/99844
3068 * decl.c (build_explicit_specifier): Call
3069 check_for_bare_parameter_packs.
3070 * except.c (build_noexcept_spec): Likewise.
3072 2021-04-07 Jason Merrill <jason@redhat.com>
3074 PR c++/41723
3075 * parser.c (cp_parser_class_name): Check dependent_scope_p.
3077 2021-04-07 Jason Merrill <jason@redhat.com>
3079 PR c++/52625
3080 * pt.c (maybe_process_partial_specialization): Check
3081 DECL_SELF_REFERENCE_P.
3083 2021-04-07 Jason Merrill <jason@redhat.com>
3085 PR c++/92918
3086 * name-lookup.c (push_class_level_binding_1): Do overload a new
3087 function with a previous using-declaration.
3089 2021-04-06 Jason Merrill <jason@redhat.com>
3091 PR c++/96673
3092 * init.c (get_nsdmi): Don't defer access checking.
3094 2021-04-06 Jason Merrill <jason@redhat.com>
3096 PR c++/99901
3097 * decl.c (cp_finish_decl): mark_needed an implicitly inline
3098 static data member with an out-of-class redeclaration.
3100 2021-04-06 Jason Merrill <jason@redhat.com>
3102 PR c++/91241
3103 * mangle.c (write_compact_number): Add sanity check.
3104 (write_local_name): Use list_length for parm number.
3106 2021-04-06 Patrick Palka <ppalka@redhat.com>
3108 PR c++/99899
3109 * pt.c (do_auto_deduction): Don't exit early when deducing the
3110 array type of a structured binding. Also handle adc_decomp_type
3111 during constraint checking.
3113 2021-04-05 Jason Merrill <jason@redhat.com>
3115 PR c++/96311
3116 * typeck.c (check_return_expr): Call mark_exp_read in dependent
3117 case.
3119 2021-04-05 Jason Merrill <jason@redhat.com>
3121 PR c++/98440
3122 * typeck.c (build_reinterpret_cast_1): Don't perform
3123 temporary materialization.
3125 2021-04-05 Jason Merrill <jason@redhat.com>
3127 PR c++/95317
3128 * pt.c (lookup_template_class_1): Do tsubst_enum when
3129 tsubsting a generic lambda.
3131 2021-04-05 Jason Merrill <jason@redhat.com>
3133 PR c++/95870
3134 * pt.c (enclosing_instantiation_of): Compare DECL_SOURCE_LOCATION if
3135 there is no enclosing non-lambda function.
3137 2021-04-05 Nathan Sidwell <nathan@acm.org>
3139 PR c++/99380
3140 * module.cc (name_pending_imports): Drop 'atend' parm. Don't
3141 query export when not needed.
3142 (preprocess_module, preprocessed_module): Adjust.
3144 2021-04-05 Jason Merrill <jason@redhat.com>
3146 PR c++/99066
3147 * pt.c (mark_decl_instantiated): Set DECL_EXTERNAL.
3149 2021-04-05 Jason Merrill <jason@redhat.com>
3151 PR c++/99201
3152 * pt.c (class el_data): Add visited field.
3153 (extract_local_specs): Pass it to cp_walk_tree.
3154 (extract_locals_r): Walk into the body of a lambda.
3156 2021-04-05 Jason Merrill <jason@redhat.com>
3158 * ptree.c (cxx_print_decl): Check DECL_MODULE_IMPORT_P on
3159 template result.
3161 2021-04-04 Jason Merrill <jason@redhat.com>
3163 PR c++/99643
3164 * typeck2.c (massage_init_elt): Don't strip TARGET_EXPR.
3166 2021-04-03 Marek Polacek <polacek@redhat.com>
3168 PR c++/91416
3169 * parser.c: Create a GC root for attributes in a decl specifier.
3170 (cp_parser_type_specifier): Push/pop ->attributes onto/from it.
3172 2021-04-03 Jason Merrill <jason@redhat.com>
3174 PR c++/91217
3175 * pt.c (tsubst_lambda_expr): Skip the body block from
3176 DECL_SAVED_TREE.
3178 2021-04-03 Jason Merrill <jason@redhat.com>
3180 PR c++/90664
3181 * cvt.c (can_convert_qual): Check fnptr_conv_p.
3183 2021-04-03 Jason Merrill <jason@redhat.com>
3185 PR c++/97900
3186 * pt.c (regenerate_decl_from_template): tsubst_decl
3187 the parms.
3189 2021-04-02 Patrick Palka <ppalka@redhat.com>
3191 PR c++/99869
3192 * parser.c (do_range_for_auto_deduction): Pass adc_variable_type
3193 to do_auto_deduction.
3195 2021-04-02 Patrick Palka <ppalka@redhat.com>
3197 PR c++/99586
3198 * semantics.c (finish_compound_literal): Check
3199 template_placeholder_p instead of type_uses_auto.
3201 2021-04-02 Jason Merrill <jason@redhat.com>
3203 PR c++/97938
3204 * cp-tree.h (PACK_EXPANSION_AUTO_P): New.
3205 * lambda.c (add_capture): Set it.
3206 * pt.c (tsubst_pack_expansion): Handle it.
3208 2021-04-02 Nathan Sidwell <nathan@acm.org>
3210 * cp-tree.h (lang_decl_base): Correct module flag comment.
3211 * module.cc (trees_in::assert_definition): Break out
3212 not_tmpl var.
3213 (trees_out::lang_decl_bools): Do not write purview for header units.
3215 2021-04-01 Marek Polacek <polacek@redhat.com>
3217 PR c++/99831
3218 * method.c (defaulted_late_check): ++ and -- function_depth around
3219 the call to synthesize_method.
3220 * pt.c: Remove the saved_trees global.
3222 2021-04-01 Jason Merrill <jason@redhat.com>
3224 PR c++/99583
3225 PR c++/99584
3226 * tree.c (cp_walk_subtrees) [FUNCTION_TYPE]: Walk into
3227 TYPE_RAISES_EXCEPTIONS.
3229 2021-04-01 Iain Sandoe <iain@sandoe.co.uk>
3231 * mapper-client.cc (INCLUDE_MAP): New; require map to be
3232 included from system.h.
3233 * mapper-resolver.cc (INCLUDE_MAP): Likewise.
3235 2021-04-01 Jason Merrill <jason@redhat.com>
3237 PR c++/98481
3238 * mangle.c (write_expression): Adjust.
3239 * class.c (find_abi_tags_r): Disable PR98481 fix for ABI v14.
3240 (mark_abi_tags_r): Likewise.
3242 2021-04-01 Nathan Sidwell <nathan@acm.org>
3244 PR c++/99283
3245 * module.cc (trees_out::decl_node): Adjust importedness reference
3246 assert.
3247 (module_state::intercluster_seed): New. Seed both imports and
3248 inter-cluster references. Broken out of ...
3249 (module_state::write_cluster): ... here. Call it.
3251 2021-03-31 Jason Merrill <jason@redhat.com>
3253 PR c++/99445
3254 * tree.c (strip_typedefs): Handle TYPE_PACK_EXPANSION.
3256 2021-03-31 Patrick Palka <ppalka@redhat.com>
3258 PR c++/88115
3259 * mangle.c (write_expression): Adjust the mangling of
3260 __alignof__.
3262 2021-03-31 Patrick Palka <ppalka@redhat.com>
3264 PR c++/99815
3265 * pt.c (placeholder_type_constraint_dependent_p): Expand
3266 argument packs to separate the first non-pack argument
3267 from the rest.
3269 2021-03-30 Nathan Sidwell <nathan@acm.org>
3271 PR c++/99283
3272 * module.cc (dumper::operator): Make less brittle.
3273 (trees_out::core_bools): VAR_DECLs always have a context.
3274 (trees_out::key_mergeable): Use same_type_p for asserting.
3275 (trees_in::read_var_def): Propagate
3276 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3278 2021-03-30 Jakub Jelinek <jakub@redhat.com>
3280 PR c++/99790
3281 * cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST.
3283 2021-03-26 Marek Polacek <polacek@redhat.com>
3285 PR c++/98352
3286 * method.c (implicitly_declare_fn): Pass &raises to
3287 synthesized_method_walk.
3289 2021-03-26 Nathan Sidwell <nathan@acm.org>
3291 PR c++/99283
3292 * cp-tree.h (DECL_MODULE_CHECK): Ban TEMPLATE_DECL.
3293 (SET_TYPE_TEMPLATE_INFO): Restore Alias template setting.
3294 * decl.c (duplicate_decls): Remove template_decl module flag
3295 propagation.
3296 * module.cc (merge_kind_name): Add alias tmpl spec as a thing.
3297 (dumper::impl::nested_name): Adjust for template-decl module flag
3298 change.
3299 (trees_in::assert_definition): Likewise.
3300 (trees_in::install_entity): Likewise.
3301 (trees_out::decl_value): Likewise. Remove alias template
3302 separation of template and type_decl.
3303 (trees_in::decl_value): Likewise.
3304 (trees_out::key_mergeable): Likewise,
3305 (trees_in::key_mergeable): Likewise.
3306 (trees_out::decl_node): Adjust for template-decl module flag
3307 change.
3308 (depset::hash::make_dependency): Likewise.
3309 (get_originating_module, module_may_redeclare): Likewise.
3310 (set_instantiating_module, set_defining_module): Likewise.
3311 * name-lookup.c (name_lookup::search_adl): Likewise.
3312 (do_pushdecl): Likewise.
3313 * pt.c (build_template_decl): Likewise.
3314 (lookup_template_class_1): Remove special alias_template handling
3315 of DECL_TI_TEMPLATE.
3316 (tsubst_template_decl): Likewise.
3318 2021-03-26 Jakub Jelinek <jakub@redhat.com>
3320 PR c++/99705
3321 * tree.c (bot_manip): Remap artificial automatic temporaries mentioned
3322 in DECL_EXPR or in BIND_EXPR_VARS.
3324 2021-03-25 Jakub Jelinek <jakub@redhat.com>
3326 PR c++/99672
3327 * parser.c (cp_parser_postfix_expression): For calls, create
3328 combined_loc and temporarily set input_location to it before
3329 calling finish_call_expr.
3331 2021-03-25 Marek Polacek <polacek@redhat.com>
3333 PR c++/94751
3334 * call.c (build_over_call): Maybe call mark_used in case
3335 deduce_inheriting_ctor fails and return error_mark_node.
3336 * cp-tree.h (deduce_inheriting_ctor): Adjust declaration.
3337 * method.c (deduce_inheriting_ctor): Return bool if the deduction
3338 fails.
3339 (implicitly_declare_fn): If raises is error_mark_node, call
3340 synthesized_method_walk with diag being true.
3342 2021-03-25 Jakub Jelinek <jakub@redhat.com>
3344 PR c++/99745
3345 * decl2.c (grokbitfield): Diagnose bitfields containing bare parameter
3346 packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
3348 2021-03-25 Marek Polacek <polacek@redhat.com>
3350 PR c++/99331
3351 * call.c (build_converted_constant_expr_internal): Don't emit
3352 -Wconversion warnings.
3354 2021-03-25 Jakub Jelinek <jakub@redhat.com>
3356 PR c++/99565
3357 * call.c (build_conditional_expr_1): Pass OEP_ADDRESS_OF_SAME_FIELD
3358 to operand_equal_p.
3359 * cvt.c (convert_to_void): Preserve location_t on COND_EXPR or
3360 or COMPOUND_EXPR.
3362 2021-03-23 Nathan Sidwell <nathan@acm.org>
3364 PR c++/99283
3365 * name-lookup.c (check_module_override): Set global or partition
3366 DUP on the binding vector.
3368 2021-03-23 Marek Polacek <polacek@redhat.com>
3370 PR c++/99318
3371 * decl2.c (cp_warn_deprecated_use_scopes): Only call
3372 cp_warn_deprecated_use when decl is a namespace, class, or enum.
3374 2021-03-23 Nathan Sidwell <nathan@acm.org>
3376 PR c++/99239
3377 * decl.c (duplicate_decls): Remove assert about maybe-imported
3378 artificial decls.
3380 2021-03-23 Jakub Jelinek <jakub@redhat.com>
3382 PR c++/99650
3383 * decl.c (cp_finish_decomp): Diagnose void initializers when
3384 using tuple_element and get.
3386 2021-03-22 Nathan Sidwell <nathan@acm.org>
3388 PR c++/99480
3389 * module.cc (depset::hash::make_dependency): Propagate flags for
3390 partial specialization.
3391 (module_may_redeclare): Handle partial specialization.
3393 2021-03-22 Nathan Sidwell <nathan@acm.org>
3395 PR c++/99425
3396 * cp-tree.h (map_context_from, map_context_to): Delete.
3397 (add_mergeable_specialization): Add is_alias parm.
3398 * pt.c (add_mergeable_specialization): Add is_alias parm, add them.
3399 * module.cc (map_context_from, map_context_to): Delete.
3400 (trees_in::decl_value): Add specializations later, adjust call.
3401 Drop useless alias lookup. Set duplicate fn parm context.
3402 (check_mergeable_decl): Drop context mapping.
3403 (trees_in::is_matching_decl): Likewise.
3404 (trees_in::read_function_def): Drop parameter context adjustment
3405 here.
3407 2021-03-22 Martin Liska <mliska@suse.cz>
3409 PR c++/99687
3410 * module.cc (fini_modules): Call vec_free instead of delete.
3412 2021-03-20 Jakub Jelinek <jakub@redhat.com>
3414 PR debug/99230
3415 * cp-gimplify.c (cp_genericize_r) <case STATEMENT_LIST>: Remove
3416 special code, instead call c_genericize_control_stmt.
3418 2021-03-19 Jakub Jelinek <jakub@redhat.com>
3420 PR c++/99456
3421 * constexpr.c (cxx_eval_constant_expression): For CONVERT_EXPR from
3422 INDIRECT_TYPE_P to ARITHMETIC_TYPE_P, when !ctx->manifestly_const_eval
3423 don't diagnose it, set *non_constant_p nor return t.
3425 2021-03-19 Marek Polacek <polacek@redhat.com>
3427 PR c++/99500
3428 * parser.c (cp_parser_requirement_parameter_list): Handle
3429 error_mark_node.
3431 2021-03-18 Marek Polacek <polacek@redhat.com>
3433 * pt.c (tsubst_copy_and_build) <case FLOAT_EXPR>: Remove.
3435 2021-03-18 Marek Polacek <polacek@redhat.com>
3437 * pt.c (tsubst_copy_and_build): Add assert.
3439 2021-03-18 Iain Sandoe <iain@sandoe.co.uk>
3441 PR objc++/49070
3442 * parser.c (cp_debug_parser): Add Objective-C++ message
3443 state flag.
3444 (cp_parser_nested_name_specifier_opt): Allow colon to
3445 terminate an assignment-expression when parsing Objective-
3446 C++ messages.
3447 (cp_parser_objc_message_expression): Set and clear message
3448 parsing state on entry and exit.
3449 * parser.h (struct cp_parser): Add a context flag for
3450 Objective-C++ message state.
3452 2021-03-18 Martin Liska <mliska@suse.cz>
3454 PR c++/99617
3455 * coroutines.cc (struct var_nest_node): Init then_cl and else_cl
3456 to NULL.
3458 2021-03-17 Marek Polacek <polacek@redhat.com>
3460 PR c++/97973
3461 * call.c (conv_unsafe_in_template_p): New.
3462 (convert_like): Use it.
3464 2021-03-17 Anthony Sharp <anthonysharp15@gmail.com>
3465 Jason Merrill <jason@redhat.com>
3467 * semantics.c (get_class_access_diagnostic_decl): New
3468 function that examines special cases when a parent
3469 class causes a private access failure.
3470 (enforce_access): Slightly modified to call function
3471 above.
3473 2021-03-16 Jason Merrill <jason@redhat.com>
3475 * tree.c (cp_tree_equal): Use real_identical.
3477 2021-03-16 Jakub Jelinek <jakub@redhat.com>
3479 PR c++/99613
3480 * decl.c (expand_static_init): For thread guards, call __cxa_atexit
3481 before calling __cxa_guard_release rather than after it. Formatting
3482 fixes.
3484 2021-03-16 Martin Liska <mliska@suse.cz>
3485 Jason Merrill <jason@redhat.com>
3487 PR c++/99108
3488 * call.c (get_function_version_dispatcher): Handle
3489 DECL_LOCAL_DECL_P.
3490 * decl.c (maybe_version_functions): Likewise.
3491 (maybe_mark_function_versioned): New.
3492 * name-lookup.c (push_local_extern_decl_alias): No longer static.
3493 * name-lookup.h (push_local_extern_decl_alias): Adjust.
3495 2021-03-16 Nathan Sidwell <nathan@acm.org>
3497 PR c++/99496
3498 * module.cc (trees_out::decl_value): Adjust typedef streaming,
3499 indicate whether it is a dependent alias.
3500 (trees_in::decl_value): Likewise. Set as dependent alias, if it
3501 is one.
3503 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3505 PR c++/99047
3506 * coroutines.cc (expand_one_await_expression): If the
3507 await_ready() expression is not a boolean then convert it
3508 as required.
3510 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3512 PR c++/98704
3513 * coroutines.cc (build_actor_fn): Make destroy index 1
3514 correspond to the abnormal unhandled_exception() exit.
3515 Substitute the proxy for the resume index.
3516 (coro_rewrite_function_body): Arrange to reset the resume
3517 index and make done = true for a rethrown exception from
3518 unhandled_exception ().
3519 (morph_fn_to_coro): Adjust calls to build_actor_fn and
3520 coro_rewrite_function_body.
3522 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3524 PR c++/98480
3525 * coroutines.cc (replace_continue): Rewrite continue into
3526 'goto label'.
3527 (await_statement_walker): Handle await expressions in the
3528 initializer, condition and iteration expressions of for
3529 loops.
3531 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3533 PR c++/96749
3534 * coroutines.cc (flatten_await_stmt): Allow for the case
3535 where a target expression variable only has uses in the
3536 second part of a compound expression.
3537 (maybe_promote_temps): Avoid emiting empty statements.
3539 2021-03-15 Tobias Burnus <tobias@codesourcery.com>
3541 PR c++/99509
3542 * decl.c (cp_finish_decl): For 'omp declare target implicit' vars,
3543 ensure that the varpool node is marked as offloadable.
3545 2021-03-12 Nathan Sidwell <nathan@acm.org>
3547 PR c++/99238
3548 * module.cc (depset::hash::add_binding_entity): Assert not
3549 visited.
3550 (depset::add::add_specializations): Likewise.
3551 * name-lookup.c (name_lookup::dedup): New.
3552 (name_lookup::~name_lookup): Assert not deduping.
3553 (name_lookup::restore_state): Likewise.
3554 (name_lookup::add_overload): Replace outlined code with dedup
3555 call.
3556 (name_lookup::add_value): Likewise.
3557 (name_lookup::search_namespace_only): Likewise.
3558 (name_lookup::adl_namespace_fns): Likewise.
3559 (name_lookup::adl_class_fns): Likewise.
3560 (name_lookup::search_adl): Likewise. Add clearing dedup call.
3561 (name_lookup::search_qualified): Likewise.
3562 (name_lookup::search_unqualified): Likewise.
3564 2021-03-12 Jakub Jelinek <jakub@redhat.com>
3566 PR c++/99507
3567 * call.c (build_over_call): For immediate evaluation of functions
3568 that return references, undo convert_from_reference effects before
3569 calling cxx_constant_value and call convert_from_reference
3570 afterwards.
3572 2021-03-11 Nathan Sidwell <nathan@acm.org>
3574 PR c++/99248
3575 * name-lookup.c (lookup_elaborated_type_1): Access slot not bind
3576 when there's a binding vector.
3577 * ptree.c (cxx_print_xnode): Lazy flags are no longer a thing.
3579 2021-03-11 Nathan Sidwell <nathan@acm.org>
3581 PR c++/99528
3582 * module.cc (enum merge_kind): Delete MK_type_tmpl_spec,
3583 MK_decl_tmpl_spec.
3584 (trees_in::decl_value): Adjust add_mergeable_specialization call.
3585 (trees_out::get_merge_kind): Adjust detecting a partial template
3586 instantiation.
3587 (trees_out::key_mergeable): Adjust handling same.
3588 (trees_in::key_mergeabvle): Likewise.
3590 2021-03-10 Nathan Sidwell <nathan@acm.org>
3592 PR c++/99423
3593 * module.cc (post_load_processing): Assert not gcable.
3594 (laxy_load_pendings): Extend no-gc region around
3595 post_load_processing.
3597 2021-03-10 Nathan Sidwell <nathan@acm.org>
3599 PR c++/99508
3600 * decl.c (make_rtl_for_nonlocal_decl): Propagate local-extern's
3601 assembler name to the ns alias.
3603 2021-03-09 Jakub Jelinek <jakub@redhat.com>
3605 PR c++/99459
3606 * coroutines.cc (build_co_await): Look through NOP_EXPRs in
3607 build_special_member_call return value to find the CALL_EXPR.
3608 Simplify.
3610 2021-03-09 Nathan Sidwell <nathan@acm.org>
3612 PR c++/99472
3613 * parser.c (cp_parser_diagnose_invalid_type_name): Clarify
3614 that C++20 does not yet imply modules.
3616 2021-03-08 Nathan Sidwell <nathan@acm.org>
3618 PR c++/99436
3619 * name-lookup.c (get_cxx_dialect_name): Add cxx23.
3621 2021-03-08 Nathan Sidwell <nathan@acm.org>
3623 * lex.c (module_token_filter::resume): Ignore module-decls inside
3624 header-unit.
3625 * parser.c (cp_parser_module_declaration): Reject in header-unit.
3627 2021-03-08 Nathan Sidwell <nathan@acm.org>
3629 PR c++/99285
3630 * cp-tree.h (match_mergeable_specialization)
3631 (add_mergeable_specialization): Adjust parms.
3632 * module.cc (trees_in::decl_value): Adjust
3633 add_mergeable_specialization calls.
3634 (trees_out::key_mergeable): Adjust match_mergeable_specialization
3635 calls.
3636 (specialization_add): Likewise.
3637 * pt.c (match_mergeable_specialization): Do not insert.
3638 (add_mergeable_specialization): Add to hash table here.
3640 2021-03-06 Patrick Palka <ppalka@redhat.com>
3641 Jakub Jelinek <jakub@redhat.com>
3643 PR c++/99287
3644 * constexpr.c (cxx_eval_increment_expression): Pass lval when
3645 evaluating the MODIFY_EXPR, and update 'mod' with the result of
3646 this evaluation. Check *non_constant_p afterwards. For prefix
3647 ops, just return 'mod'.
3649 2021-03-06 Patrick Palka <ppalka@redhat.com>
3650 Jakub Jelinek <jakub@redhat.com>
3652 PR c++/96330
3653 * pt.c (tsubst_copy) <case TEMPLATE_ID_EXPR>: Rename local
3654 variable 'fn' to 'tmpl'. Handle a variable template-id by
3655 calling lookup_template_variable.
3657 2021-03-06 Patrick Palka <ppalka@redhat.com>
3659 PR c++/99365
3660 * pt.c (unify) <case TEMPLATE_TYPE_PARM>: Pass targs as
3661 outer_targs to do_auto_deduction.
3662 (placeholder_type_constraint_dependent_p): Define.
3663 (do_auto_deduction): When processing_template_decl != 0
3664 and context is adc_unify and we have constraints, pretend the
3665 constraints are satisfied instead of punting. Otherwise don't
3666 punt unless placeholder_type_constraint_dependent_p holds.
3667 Add some clarifying sanity checks. Add a hack to add missing
3668 outermost template levels to outer_args before checking
3669 satisfaction. Don't substitute outer_targs into type if it's
3670 already been done.
3672 2021-03-05 Marek Polacek <polacek@redhat.com>
3674 PR c++/99374
3675 * call.c (standard_conversion): When converting pointers to
3676 member, don't return NULL when the bases are equivalent but
3677 incomplete.
3679 2021-03-05 Marek Polacek <polacek@redhat.com>
3681 PR c++/99120
3682 * name-lookup.c (check_local_shadow): Check if the type of decl
3683 is non-null before checking TYPE_PTR*.
3685 2021-03-05 Nathan Sidwell <nathan@acm.org>
3687 PR c++/99245
3688 * module.cc (module_state::write_cluster): Relax binding assert.
3690 2021-03-05 Nathan Sidwell <nathan@acm.org>
3692 PR c++/99377
3693 * pt.c (instantiate_decl): Call set_instantiating_module.
3695 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3697 PR c++/98118
3698 * coroutines.cc (build_co_await): Use type_build_ctor_call()
3699 to determine cases when a CTOR needs to be built.
3700 (flatten_await_stmt): Likewise.
3701 (morph_fn_to_coro): Likewise.
3703 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3705 PR c++/95616
3706 * coroutines.cc (coro_diagnose_throwing_fn): New helper.
3707 (coro_diagnose_throwing_final_aw_expr): New helper.
3708 (build_co_await): Diagnose throwing final await expression
3709 components.
3710 (build_init_or_final_await): Diagnose a throwing promise
3711 final_suspend() call.
3713 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3715 PR c++/95615
3716 * coroutines.cc (struct param_info): Track parameter copies that need
3717 a DTOR.
3718 (coro_get_frame_dtor): New helper function factored from build_actor().
3719 (build_actor_fn): Use coro_get_frame_dtor().
3720 (morph_fn_to_coro): Track parameters that need DTORs on exception,
3721 likewise the frame promise and the return object. On exception, run the
3722 DTORs for these, destroy the frame and then rethrow the exception.
3724 2021-03-05 Nathan Sidwell <nathan@acm.org>
3726 PR c++/99389
3727 * pt.c (instantiate_class_template_1): Set instantiating module
3728 here.
3730 2021-03-05 Tobias Burnus <tobias@codesourcery.com>
3732 PR c/99137
3733 * parser.c (cp_parser_oacc_clause_async): Reject comma expressions.
3735 2021-03-04 Jakub Jelinek <jakub@redhat.com>
3737 PR c++/88146
3738 PR c++/99362
3739 * cvt.c (convert_to_void): Revert 2019-10-17 changes. Clarify
3740 comment.
3742 2021-03-04 Nathan Sidwell <nathan@acm.org>
3744 PR c++/99170
3745 * module.cc (class uintset): Delete.
3746 (typedef attached_map_t): A hash map.
3747 (attached_table): Use attached_map_t. Adjust uses ...
3748 (trees_out::decl_value, trees_in::decl_value): ... here ...
3749 (trees_out::key_mergeable): ... here ...
3750 (trees_in::key_mergeable): ... here ...
3751 (maybe_attach_decl): ... here ...
3752 (direct_import): ... and here.
3754 2021-03-04 Nathan Sidwell <nathan@acm.org>
3756 PR c++/99170
3757 * cp-tree.h
3758 * lex.c (cxx_dup_lang_specific_decl): Adjust for module_attached_p
3759 rename.
3760 * module.cc (class pending_key): New.
3761 (default_hash_traits<pending_key>): New specialization.
3762 (pending_map_t): New typedef.
3763 (pending_table): Replace old table.
3764 (trees_out::lang_decl_bools): Adjust.
3765 (trees_in::lang_decl_bools): Adjust.
3766 (trees_in::install_entity): Drop pending member and specialization
3767 handling.
3768 (find_pending_key): New.
3769 (depset::hash::fiund_dependencies): Use it.
3770 (pendset_lazy_load): Delete.
3771 (module_state::write_cluster): Don't count pendings here. Bye
3772 Duff's device-like thing.
3773 (module_state::write_pendings): Reimplement.
3774 (module_state::read_pendings): Reimplement.
3775 (lazy_specializations_p): Delete.
3776 (module_state::write): Adjust write_pendings call.
3777 (lazy_load_pendings): New.
3778 (lazy_load_specializations): Delete.
3779 (lazy_load_members): Delete.
3780 (init_modules): Adjust.
3781 * name-lookup.c (maybe_lazily_declare): Call lazy_load_pendings
3782 not lazy_load_members.
3783 (note_pending_specializations): Delete.
3784 (load_pending_specializations): Delete.
3785 * name-lookup.h (BINDING_VECTR_PENDING_SPECIALIZATIONS_P): Delete.
3786 (BINDING_VECTOR_PENDING_MEMBERS_P): Delete.
3787 (BINDING_VECTR_PENDING_MEMBERS_P): Delete.
3788 (note_pending_specializations): Delete.
3789 (load_pending_specializations): Delete.
3790 * pt.c (lookup_template_class_1): Call lazy_load_pendings not
3791 lazy_load_specializations.
3792 (instantiate_template_class_1): Likewise.
3793 (instantiate_decl): Call lazy_load_pendings.
3794 * typeck.c (complete_type): Likewise.
3796 2021-03-03 Nathan Sidwell <nathan@acm.org>
3798 PR c++/99170
3799 * module.cc (post_load_decls): New.
3800 (lazy_snum, recursive_lazy): Move earlier.
3801 (module_state::read_cluster): Push cloning onto post_load_decls.
3802 (post_load_processing): New. Do the cloning here.
3803 (module_state::read_inits): Call post_load_processing.
3804 (module_state::read_language): Likewise.
3805 (lazy_load_binding, lazy_load_specializations): Likewise
3806 (lazy_load_members): Likewise
3808 2021-03-03 Nathan Sidwell <nathan@acm.org>
3810 PR c++/99170
3811 * module.cc (trees_out::decl_value): Stream specialization keys
3812 after decl.
3813 (trees_in::decl_value): Stream them back and insert after
3814 completing the decl.
3815 (trees_out::key_mergeable): Drop some streaming here ...
3816 (trees_in::key_mergeable): ... and here. Don't insert into
3817 specialization tables.
3819 2021-03-03 Patrick Palka <ppalka@redhat.com>
3821 * constraint.cc (struct sat_info): Document the different
3822 meanings of noisy() and diagnose_unsatisfaction_p() during
3823 satisfaction and requires-expression evaluation.
3824 (tsubst_valid_expression_requirement): Take a sat_info instead
3825 of a subst_info. Perform the substitution quietly first. Fold
3826 in error-replaying code from diagnose_valid_expression.
3827 (tsubst_simple_requirement): Take a sat_info instead of a
3828 subst_info.
3829 (tsubst_type_requirement_1): New. Fold in error-replaying code
3830 from diagnose_valid_type.
3831 (tsubst_type_requirement): Use the above. Take a sat_info
3832 instead of a subst_info.
3833 (tsubst_compound_requirement): Likewise. Fold in
3834 error-replaying code from diagnose_compound_requirement.
3835 (tsubst_nested_requirement): Take a sat_info instead of a
3836 subst_info. Fold in error-replaying code from
3837 diagnose_nested_requirement.
3838 (tsubst_requirement): Take a sat_info instead of a subst_info.
3839 (tsubst_requires_expr): Split into two versions, one that takes
3840 a sat_info argument and another that takes a complain and
3841 in_decl argument. Remove outdated documentation. Document the
3842 effects of the sat_info argument. Don't short-circuit
3843 processing of requirements when diagnosing unsatisfaction,
3844 mirroring diagnose_requires_expr.
3845 (satisfy_nondeclaration_constraint) <case REQUIRES_EXPR>: Remove
3846 assert, and se the three-parameter version of tsubst_requires_expr.
3847 (diagnose_trait_expr): Make static. Take a template argument
3848 vector instead of a parameter mapping.
3849 (diagnose_valid_expression): Remove.
3850 (diagnose_valid_type): Remove.
3851 (diagnose_simple_requirement): Remove.
3852 (diagnose_compound_requirement): Remove.
3853 (diagnose_type_requirement): Remove.
3854 (diagnose_nested_requirement): Remove.
3855 (diagnose_requirement): Remove.
3856 (diagnose_requires_expr): Remove.
3857 (diagnose_atomic_constraint): Take a sat_info instead of a
3858 subst_info. Adjust call to diagnose_trait_expr. Call
3859 tsubst_requires_expr instead of diagnose_requires_expr.
3860 (diagnose_constraints): Remove special casing of REQUIRES_EXPR
3861 and just always call constraint_satisfaction_value.
3863 2021-03-03 Patrick Palka <ppalka@redhat.com>
3865 * constexpr.c (cxx_eval_call_expression): Adjust call to
3866 evaluate_concept_check.
3867 (cxx_eval_constant_expression) <case REQUIRES_EXPR>: Use
3868 evaluate_requires_expression instead of
3869 satisfy_constraint_expression.
3870 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3871 * constraint.cc (struct sat_info): Adjust comment about which
3872 satisfaction entrypoints use noisy-unsat.
3873 (normalize_template_requirements): Remove (and adjust callers
3874 appropriately).
3875 (normalize_nontemplate_requirements): Likewise.
3876 (tsubst_nested_requirement): Use constraint_satisfaction_value
3877 instead of satisfy_constraint_expression, which'll do the
3878 noisy replaying of ill-formed quiet satisfaction for us.
3879 (decl_satisfied_cache): Adjust comment.
3880 (satisfy_constraint): Rename to ...
3881 (satisfy_normalized_constraints): ... this.
3882 (satisfy_associated_constraints): Remove (and make its
3883 callers check for dependent arguments).
3884 (satisfy_constraint_expression): Rename to ...
3885 (satisfy_nondeclaration_constraints): ... this. Assert that
3886 'args' is empty when 't' is a concept-id. Removing handling
3887 bare constraint-expressions, and handle REQUIRES_EXPRs
3888 specially. Adjust comment accordingly.
3889 (satisfy_declaration_constraints): Assert in the two-parameter
3890 version that 't' is not a TEMPLATE_DECL. Adjust following
3891 removal of normalize_(non)?template_requirements and
3892 satisfy_asociated_constraints.
3893 (constraint_satisfaction_value): Combine the two- and
3894 three-parameter versions in the natural way.
3895 (constraints_satisfied_p): Combine the one- and two-parameter
3896 versions in the natural way. Improve documentation.
3897 (evaluate_requires_expr): Define.
3898 (evaluate_concept_check): Remove 'complain' parameter. Use
3899 constraint_satisfaction_value instead of
3900 satisfy_constraint_expression.
3901 (diagnose_nested_requirement): Adjust following renaming of
3902 satisfy_constraint_expression.
3903 (diagnose_constraints): Handle REQUIRES_EXPR by going through
3904 diagnose_requires_expr directly instead of treating it as a
3905 constraint-expression. Improve documentation.
3906 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Adjust call
3907 to evaluate_concept_check.
3908 <case REQUIRES_EXPR>: Use evaluate_requires_expr instead of
3909 constraints_satisfied_p.
3910 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3911 * cp-tree.h (evaluate_requires_expr): Declare.
3912 (evaluate_concept_check): Remove tsubst_flag_t parameter.
3913 (satisfy_constraint_expression): Remove declaration.
3914 (constraints_satisfied_p): Remove one-parameter declaration.
3915 Add a default argument to the two-parameter declaration.
3916 * cvt.c (convert_to_void): Adjust call to
3917 evaluate_concept_check.
3919 2021-03-03 Jakub Jelinek <jakub@redhat.com>
3921 PR c++/82959
3922 * call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR
3923 and COMPOUND_EXPR.
3925 2021-03-03 Marek Polacek <polacek@redhat.com>
3927 PR c++/97034
3928 PR c++/99009
3929 * pt.c (build_deduction_guide): Use INNERMOST_TEMPLATE_ARGS.
3930 (maybe_aggr_guide): Use the original template type where needed. In
3931 a class member template, partially instantiate the result of
3932 collect_ctor_idx_types.
3933 (do_class_deduction): Defer the deduction until the enclosing
3934 scope is non-dependent.
3936 2021-03-03 Jason Merrill <jason@redhat.com>
3938 PR c++/95675
3939 * call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR
3940 if it didn't get one before.
3942 2021-03-03 Nathan Sidwell <nathan@acm.org>
3944 PR c++/99344
3945 * module.cc (trees_out::decl_node): Small refactor.
3946 (depset::hash::add_binding_entity): Return true on meeting an
3947 import. Set namespace's import here.
3948 (module_state:write_namespaces): Inform of purview too.
3949 (module_state:read_namespaces): Adjust.
3950 * name-lookup.c (implicitly_export_namespace): Delete.
3951 (do_pushdecl): Don't call it.
3952 (push_namespace): Likewise, set purview.
3953 (add_imported_namespace): Reorder parms.
3954 * name-lookup.h (add_imported_namespace): Alter param ordering.
3956 2021-03-02 Martin Sebor <msebor@redhat.com>
3958 PR c++/99251
3959 * class.c (build_base_path): Call build_if_nonnull.
3960 * cp-tree.h (build_if_nonnull): Declare.
3961 * rtti.c (ifnonnull): Rename...
3962 (build_if_nonnull): ...to this. Set no-warning bit on COND_EXPR.
3963 (build_dynamic_cast_1): Adjust to name change.
3965 2021-03-02 Patrick Palka <ppalka@redhat.com>
3967 PR c++/96443
3968 PR c++/96960
3969 * constraint.cc (type_deducible_p): Don't substitute into the
3970 constraints, and instead just pass 'args' to do_auto_deduction
3971 as the outer template arguments.
3972 (tsubst_parameter_mapping): Remove confused code for handling
3973 placeholder type arguments.
3974 (normalize_placeholder_type_constraint): Define.
3975 (satisfy_constraint_expression): Use it to handle placeholder
3976 'auto' types.
3977 * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Define.
3978 (PLACEHOLDER_TYPE_CONSTRAINTS): Redefine in terms of the above.
3979 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: Use
3980 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3981 (make_constrained_placeholder_type): Set
3982 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3983 (do_auto_deduction): Clarify comments about the outer_targs
3984 parameter. Rework satisfaction of a placeholder type constraint
3985 to pass in the complete set of template arguments directly to
3986 constraints_satisfied_p.
3987 (splice_late_return_type): Use PLACEHOLDER_TYPE_CONSTRAINTS_INFO
3988 instead. Also rebuild the the constraint info on the new auto.
3990 2021-03-02 Patrick Palka <ppalka@redhat.com>
3992 * constraint.cc (build_parameter_mapping): Rely on the caller to
3993 determine the in-scope template parameters.
3994 (norm_info::norm_info): Delegate the tsubst_flags_t constructor
3995 to the two-parameter constructor. In the two-parameter
3996 constructor, fold in the definition of make_context, set
3997 initial_parms appropriately, and don't set the now-removed
3998 orig_decl member.
3999 (norm_info::make_context): Remove, now that its only use is
4000 inlined into the caller.
4001 (norm_info::update_context): Adjust call to
4002 build_parameter_mapping to pass in the relevant set of in-scope
4003 template parameters.
4004 (norm_info::ctx_parms): Define this member function.
4005 (norm_info::context): Initialize to NULL_TREE.
4006 (norm_info::orig_decl): Remove this data member.
4007 (norm_info::initial_parms): Define this data member.
4008 (normalize_atom): Adjust call to build_parameter_mapping to pass
4009 in the relevant set of in-scope template parameters. Use
4010 info.initial_parms instead of info.orig_decl.
4011 (normalize_constraint_expression): Take a norm_info object
4012 instead of a bool. Cache the result of normalization.
4013 (tsubst_nested_requirement): Call satisfy_constraint_expression
4014 instead of satisfy_constraint, so that we normalize on demand.
4015 (satisfy_constraint_expression): Handle a NESTED_REQ argument.
4016 Adjust call to normalize_constraint_expression.
4017 (finish_nested_requirement): Set the TREE_TYPE of the NESTED_REQ
4018 to current_template_parms.
4019 (diagnose_nested_requirements): Go through
4020 satisfy_constraint_expression, as with tsubst_nested_requirement.
4022 2021-03-02 Patrick Palka <ppalka@redhat.com>
4024 * constraint.cc (tsubst_parameter_mapping): Canonicalize the
4025 arguments of a substituted TYPE_ARGUMENT_PACK even if we've
4026 started with a TYPE_ARGUMENT_PACK.
4027 (finish_requires_expr): Don't set DECL_CONTEXT and
4028 CONSTRAINT_VAR_P on each of the introduced parameters here.
4029 * parser.c (cp_parser_requirement_parameter_list): Instead set
4030 these fields earlier, here.
4031 * pt.c (do_auto_deduction): Canonicalize the result of
4032 do_auto_deduction. Pass 'complain' to finish_decltype_type.
4034 2021-03-02 Patrick Palka <ppalka@redhat.com>
4036 * constraint.cc (tsubst_simple_requirement): Just return
4037 boolean_true_node on success.
4038 (tsubst_type_requirement): Likewise.
4039 (tsubst_compound_requirement): Likewise.
4040 (tsubst_nested_requirement): Likewise.
4041 (tsubst_requirement_body): Remove.
4042 (check_constaint_variables): Rename to ...
4043 (check_constraint_variables): ... this.
4044 (tsubst_constraint_variables): Adjust.
4045 (tsubst_requires_expr): Fold tsubst_requirement_body into here.
4047 2021-03-01 Nathan Sidwell <nathan@acm.org>
4049 PR c++/99294
4050 * class.c (fixup_type_variants): Propagate mode, precision,
4051 alignment & emptiness.
4052 * module.cc (trees_out::type_node): Use TYPE_ALIGN_RAW.
4053 (trees_in::tree_node): Rematerialize alignment here.
4055 2021-02-27 Jason Merrill <jason@redhat.com>
4057 PR c++/90333
4058 * parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes
4059 between () and ->.
4061 2021-02-26 Jakub Jelinek <jakub@redhat.com>
4063 * parser.c (cp_parser_lambda_declarator_opt): Implement
4064 P1102R2 - Down with ()! Make ()s optional before lambda specifiers
4065 for -std={c,gnu}++2b or with pedwarn in earlier versions.
4067 2021-02-26 Jakub Jelinek <jakub@redhat.com>
4069 PR c++/95451
4070 * lambda.c (is_lambda_ignored_entity): Before checking for
4071 LAMBDA_FUNCTION_P, use OVL_FIRST. Drop FUNCTION_DECL check.
4073 2021-02-26 Jason Merrill <jason@redhat.com>
4075 PR c++/98810
4076 * pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const
4077 to a class non-type template argument that needs it.
4079 2021-02-26 Patrick Palka <ppalka@redhat.com>
4081 PR c++/98990
4082 * pt.c (splice_late_return_type): Rebuild the entire return type
4083 if we have to adjust the level of an auto within.
4084 (type_uses_auto): Adjust call to find_type_usage.
4085 * type-utils.h (find_type_usage): Revert r10-6571 change that
4086 made this function return a pointer to the auto node.
4088 2021-02-25 Patrick Palka <ppalka@redhat.com>
4090 PR c++/99213
4091 PR c++/94521
4092 * error.c (dump_scope): Pass TFF_NO_TEMPLATE_BINDINGS instead of
4093 TFF_NO_FUNCTION_ARGUMENTS when dumping a function scope.
4095 2021-02-25 Patrick Palka <ppalka@redhat.com>
4097 PR c++/99103
4098 * pt.c (is_spec_or_derived): Drop cv-qualifiers from 'etype'.
4099 (maybe_aggr_guide): Fix order of arguments to is_spec_or_derived.
4101 2021-02-25 Marek Polacek <polacek@redhat.com>
4103 DR 1312
4104 PR c++/99176
4105 * constexpr.c (is_std_construct_at): New overload.
4106 (is_std_allocator_allocate): New overload.
4107 (cxx_eval_call_expression): Use the new overloads.
4108 (cxx_eval_constant_expression): Reject casting
4109 from void * as per DR 1312. Don't check can_convert.
4111 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
4113 PR c++/97587
4114 * coroutines.cc (struct param_info): Track rvalue refs.
4115 (morph_fn_to_coro): Track rvalue refs, and call the promise
4116 CTOR with the frame copy of passed parms.
4118 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
4120 PR c++/95822
4121 * coroutines.cc (morph_fn_to_coro): Unconditionally remove any
4122 set throwing_cleanup marker.
4124 2021-02-25 Nathan Sidwell <nathan@acm.org>
4126 PR c++/99166
4127 * module.cc (module_state::inform_cmi_p): Renamed field.
4128 (module_state::do_import): Adjust.
4129 (init_modules, finish_module_processing): Likewise.
4130 (handle_module_option): Likewise.
4132 2021-02-25 Nathan Sidwell <nathan@acm.org>
4134 PR c++/98318
4135 * mapper-client.cc (module_client::open_module_client): Fix typo
4136 of fd init.
4138 2021-02-24 Nathan Sidwell <nathan@acm.org>
4140 PR c++/98718
4141 * module.cc (ool): New indirection vector.
4142 (loc_spans::maybe_propagate): Location is not optional.
4143 (loc_spans::open): Likewise. Assert monotonically advancing.
4144 (module_for_ordinary_loc): Use ool indirection vector.
4145 (module_state::write_prepare_maps): Do not count empty macro
4146 expansions. Elide empty spans.
4147 (module_state::write_macro_maps): Skip empty expansions.
4148 (ool_cmp): New qsort comparator.
4149 (module_state::write): Create and destroy ool vector.
4150 (name_pending_imports): Fix dump push/pop.
4151 (preprocess_module): Likewise. Add more dumping.
4152 (preprocessed_module): Likewise.
4154 2021-02-24 Iain Sandoe <iain@sandoe.co.uk>
4156 PR c++/96251
4157 * coroutines.cc (coro_common_keyword_context_valid_p): Suppress
4158 error reporting when instantiating for a constexpr.
4160 2021-02-23 Nathan Sidwell <nathan@acm.org>
4162 PR c++/99208
4163 * decl.c (name_unnamed_type): Check DECL identity, not IDENTIFIER
4164 identity.
4166 2021-02-23 Patrick Palka <ppalka@redhat.com>
4168 PR c++/95468
4169 * pt.c (tsubst_copy_and_build) <case BASELINK>: New case, copied
4170 over from tsubst_copy.
4172 2021-02-23 Patrick Palka <ppalka@redhat.com>
4174 * pt.c (instantiation_dependent_expression_p): Check
4175 processing_template_decl before calling
4176 potential_constant_expression.
4178 2021-02-22 Nathan Sidwell <nathan@acm.org>
4180 PR c++/99174
4181 * module.cc (struct module_state): Add visited_p flag.
4182 (name_pending_imports): Use it to avoid duplicate requests.
4183 (preprocess_module): Don't read preprocessor state if we failed to
4184 load a module's config.
4186 2021-02-22 Nathan Sidwell <nathan@acm.org>
4188 PR c++/99153
4189 * decl.c (duplicate_decls): Move DECL_MODULE_IMPORT_P propagation
4190 to common-path.
4191 * module.cc (set_defining_module): Add assert.
4193 2021-02-19 Nathan Sidwell <nathan@acm.org>
4195 PR c++/98741
4196 * module.cc (pending_imports): New.
4197 (declare_module): Adjust test condition.
4198 (name_pending_imports): New.
4199 (preprocess_module): Reimplement using pending_imports.
4200 (preprocessed_module): Move name-getting to name_pending_imports.
4201 * name-lookup.c (append_imported_binding_slot): Assert module
4202 ordering is increasing.
4204 2021-02-19 Nathan Sidwell <nathan@acm.org>
4206 * module.cc (note_cmis): New.
4207 (struct module_state): Add inform_read_p bit.
4208 (module_state::do_import): Inform of CMI location, if enabled.
4209 (init_modules): Canonicalize note_cmis entries.
4210 (handle_module_option): Handle -flang-info-module-read=FOO.
4212 2021-02-19 Jason Merrill <jason@redhat.com>
4214 PR c++/96926
4215 * call.c (perfect_conversion_p): Limit rvalueness
4216 test to reference bindings.
4218 2021-02-19 Jason Merrill <jason@redhat.com>
4220 PR c++/96926
4221 * call.c (perfect_conversion_p): New.
4222 (perfect_candidate_p): New.
4223 (add_candidates): Ignore templates after a perfect non-template.
4225 2021-02-18 Nathan Sidwell <nathan@acm.org>
4227 PR c++/99023
4228 * module.cc (canonicalize_header_name): Use
4229 cpp_probe_header_unit.
4230 (maybe_translate_include): Fix note_includes comparison.
4231 (init_modules): Fix note_includes string termination.
4233 2021-02-18 Jakub Jelinek <jakub@redhat.com>
4235 PR c++/99132
4236 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Use
4237 cp_get_callee_fndecl_nofold instead of cp_get_callee_fndecl to check
4238 for immediate function calls.
4240 2021-02-17 Nathan Sidwell <nathan@acm.org>
4242 PR c++/99023
4243 * module.cc (struct macro_export): Add GTY markers.
4244 (macro_exports): Likewise, us a va_gc Vector.
4246 2021-02-17 Jakub Jelinek <jakub@redhat.com>
4248 PR sanitizer/99106
4249 * init.c (build_zero_init_1): For flexible array members just return
4250 NULL_TREE instead of returning empty CONSTRUCTOR with non-complete
4251 ARRAY_TYPE.
4253 2021-02-17 Nathan Sidwell <nathan@acm.org>
4255 PR c++/99116
4256 * name-lookup.c (do_pushdecl): Don't peek under template_parm
4257 bindings here ...
4258 (set_identifier_type_value_with_scope): ... or here.
4259 (do_pushtag): Only set_identifier_type_value_with_scope at
4260 non-class template parm scope, and use parent scope.
4262 2021-02-17 Nathan Sidwell <nathan@acm.org>
4264 PR c++/99071
4265 * name-lookup.c (maybe_record_mergeable_decl): Deref the correct
4266 pointer.
4268 2021-02-17 Patrick Palka <ppalka@redhat.com>
4270 PR debug/96997
4271 PR c++/94034
4272 * tree.c (build_aggr_init_expr): Revert r10-7718 change.
4274 2021-02-12 Nathan Sidwell <nathan@acm.org>
4276 * module.cc (module_state::write_cluster): Check bindings for
4277 imported using-decls.
4279 2021-02-12 Nathan Sidwell <nathan@acm.org>
4281 PR c++/99040
4282 * module.cc (trees_in::decl_value): Call add_module_namespace_decl
4283 for new namespace-scope entities.
4284 (module_state::read_cluster): Don't call add_module_decl here.
4285 * name-lookup.h (add_module_decl): Rename to ...
4286 (add_module_namespace_decl): ... this.
4287 * name-lookup.c (newbinding_bookkeeping): Move into ...
4288 (do_pushdecl): ... here. Its only remaining caller.
4289 (add_module_decl): Rename to ...
4290 (add_module_namespace_decl): ... here. Add checking-assert for
4291 circularity. Don't call newbinding_bookkeeping, just extern_c
4292 checking and incomplete var checking.
4294 2021-02-12 Nathan Sidwell <nathan@acm.org>
4296 PR c++/99039
4297 PR c++/99040
4298 * cp-tree.h (CPTI_GLOBAL_TYPE): Delete.
4299 (global_type_node): Delete.
4300 (IDENTIFIER_TYPE_VALUE): Delete.
4301 (IDENTIFIER_HAS_TYPE_VALUE): Delete.
4302 (get_type_value): Delete.
4303 * name-lookup.h (identifier_type_value): Delete.
4304 * name-lookup.c (check_module_override): Don't
4305 SET_IDENTIFIER_TYPE_VALUE here.
4306 (do_pushdecl): Nor here.
4307 (identifier_type_value_1, identifier_type_value): Delete.
4308 (set_identifier_type_value_with_scope): Only
4309 SET_IDENTIFIER_TYPE_VALUE for local and class scopes.
4310 (pushdecl_nanmespace_level): Remove shadow stack nadgering.
4311 (do_pushtag): Use REAL_IDENTIFIER_TYPE_VALUE.
4312 * call.c (check_dtor_name): Use lookup_name.
4313 * decl.c (cxx_init_decl_processing): Drop global_type_node.
4314 * decl2.c (cplus_decl_attributes): Don't SET_IDENTIFIER_TYPE_VALUE
4315 here.
4316 * init.c (get_type_value): Delete.
4317 * pt.c (instantiate_class_template_1): Don't call pushtag or
4318 SET_IDENTIFIER_TYPE_VALUE here.
4319 (tsubst): Assert never an identifier.
4320 (dependent_type_p): Drop global_type_node assert.
4321 * typeck.c (error_args_num): Don't use IDENTIFIER_HAS_TYPE_VALUE
4322 to determine ctorness.
4324 2021-02-12 Jakub Jelinek <jakub@redhat.com>
4326 PR c++/97742
4327 * parser.c (cp_parser_requirement_seq): Stop iterating after reaching
4328 CPP_EOF.
4330 2021-02-12 Jason Merrill <jason@redhat.com>
4332 PR c++/97246
4333 PR c++/94546
4334 * pt.c (extract_fnparm_pack): Check DECL_PACK_P here.
4335 (register_parameter_specializations): Not here.
4337 2021-02-11 Marek Polacek <polacek@redhat.com>
4339 PR c++/95888
4340 * pt.c (lookup_template_class_1): Pass tf_none to tsubst when looking
4341 for the partial instantiation.
4343 2021-02-11 Jakub Jelinek <jakub@redhat.com>
4345 PR c++/99033
4346 * init.c (build_zero_init_1): Handle zero initialiation of
4347 flexible array members like initialization of [0] arrays.
4348 Use integer_minus_onep instead of comparison to integer_minus_one_node
4349 and integer_zerop instead of comparison against size_zero_node.
4350 Formatting fixes.
4352 2021-02-11 Marek Polacek <polacek@redhat.com>
4354 PR c++/99063
4355 * semantics.c (finish_do_stmt): Check for unexpanded parameter packs.
4357 2021-02-11 Patrick Palka <ppalka@redhat.com>
4359 PR c++/97582
4360 * name-lookup.c (op_unqualified_lookup): Handle an ambiguous
4361 lookup result by discarding it if the first element is a
4362 class-scope declaration, otherwise return it.
4363 (push_operator_bindings): Handle an ambiguous lookup result by
4364 doing push_local_binding on each element in the list.
4366 2021-02-11 Marek Polacek <polacek@redhat.com>
4368 * parser.c (cp_parser_selection_statement): Use vec_free.
4370 2021-02-10 Jakub Jelinek <jakub@redhat.com>
4372 PR c++/98988
4373 PR c++/99031
4374 * constexpr.c: Include cgraph.h.
4375 (cxx_eval_call_expression): Call varpool_node::finalize_decl on
4376 heap artificial vars.
4377 (cxx_eval_outermost_constant_expr): Remove varpool nodes for
4378 heap artificial vars.
4380 2021-02-10 Nathan Sidwell <nathan@acm.org>
4382 PR c++/99030
4383 * pt.c (tsubst_copy) [VAR_DECL]: For a DECL_LOCAL_DECL_P T is the
4384 answer if there's no local specialization.
4386 2021-02-09 Nathan Sidwell <nathan@acm.org>
4388 PR c++/98944
4389 * module.cc (module_state::is_rooted): Rename to ...
4390 (module_state::has_location): ... here. Adjust callers.
4391 (module_state::read_partitions): Adjust validity check.
4392 Don't overwrite a known location.
4394 2021-02-09 Jason Merrill <jason@redhat.com>
4396 PR c++/96905
4397 * pt.c (mark_decl_instantiated): Exit early if consteval.
4399 2021-02-09 Jason Merrill <jason@redhat.com>
4401 PR c++/98326
4402 PR c++/20408
4403 * cp-gimplify.c (simple_empty_class_p): Don't touch an invisiref
4404 parm.
4406 2021-02-09 Jason Merrill <jason@redhat.com>
4408 PR c++/98994
4409 PR c++/97566
4410 * constexpr.c (cxx_eval_store_expression): Only skip empty fields in
4411 RECORD_TYPE.
4413 2021-02-08 Nathan Sidwell <nathan@acm.org>
4415 * decl.c (start_cleanup_fn): Push function into
4416 namespace.
4418 2021-02-08 Nathan Sidwell <nathan@acm.org>
4420 PR c++/98531
4421 * cp-tree.h (push_abi_namespace, pop_abi_namespace): Declare.
4422 * decl.c (push_abi_namespace, pop_abi_namespace): Moved
4423 from rtti.c, add default namespace arg.
4424 (check_redeclaration_exception_specification): Allow a lazy
4425 builtin's eh spec to differ from an lready-declared user
4426 declaration.
4427 (declare_global_var): Use push/pop_abi_namespace.
4428 (get_atexit_node): Push the fndecl into a namespace.
4429 * rtti.c (push_abi_namespace, pop_abi_namespace): Moved to
4430 decl.c.
4432 2021-02-08 Marek Polacek <polacek@redhat.com>
4434 * cp-tree.h (CLASSTYPE_TI_TEMPLATE): Fix typo.
4436 2021-02-05 Marek Polacek <polacek@redhat.com>
4438 PR c++/98947
4439 * call.c (build_conditional_expr_1): Don't call mark_lvalue_use
4440 on arg2/arg3.
4441 * expr.c (mark_use) <case MODIFY_EXPR>: Don't check read_p when
4442 issuing the -Wvolatile warning. Only set TREE_THIS_VOLATILE if
4443 a warning was emitted.
4445 2021-02-05 Marek Polacek <polacek@redhat.com>
4447 PR c++/96462
4448 * name-lookup.c (lookup_using_decl): Hoist the destructor check.
4450 2021-02-05 Jakub Jelinek <jakub@redhat.com>
4452 PR c++/97878
4453 * decl.c (check_array_initializer): For structured bindings, require
4454 the array type to be complete.
4456 2021-02-04 Jason Merrill <jason@redhat.com>
4458 PR c++/98717
4459 * constraint.cc (build_concept_check_arguments): Remove assert.
4460 (build_concept_check): Allow empty args.
4462 2021-02-04 Tom Greenslade (thomgree) <thomgree@cisco.com>
4464 PR c++/90926
4465 * call.c (can_convert_array): Extend to handle all valid aggregate
4466 initializers of an array; including by string literals, not just by
4467 brace-init-list.
4468 (build_aggr_conv): Call can_convert_array more often, not just in
4469 brace-init-list case.
4470 * typeck2.c (array_string_literal_compatible_p): New function.
4471 (digest_init_r): call array_string_literal_compatible_p
4472 * cp-tree.h: (array_string_literal_compatible_p): Declare.
4474 2021-02-04 Jason Merrill <jason@redhat.com>
4476 PR c++/98802
4477 * pt.c (do_class_deduction): No aggregate guide if any_dguides_p.
4479 2021-02-04 Jason Merrill <jason@redhat.com>
4481 PR c++/95192
4482 * pt.c (tsubst_attribute): Handle error.
4483 (apply_late_template_attributes): Return false on error.
4484 (tsubst_function_decl): Check its return value.
4485 (tsubst_decl): Likewise.
4486 (push_template_decl): Assert current_template_parms.
4487 (tsubst_template_decl): Set current_template_parms.
4489 2021-02-03 Marek Polacek <polacek@redhat.com>
4491 PR c++/98951
4492 * call.c (struct z_candidate): Mark rewritten and reversed as const.
4493 (struct NonPublicField): Mark operator() as const.
4494 (struct NonTrivialField): Likewise.
4496 2021-02-03 Jason Merrill <jason@redhat.com>
4498 PR c++/98926
4499 PR c++/98570
4500 * pt.c (spec_hasher::equal): Set processing_template_decl.
4501 * Make-lang.in (check-g++-strict-gc): Add --param
4502 hash-table-verification-limit=10000.
4504 2021-02-03 Marek Polacek <polacek@redhat.com>
4506 PR c++/98899
4507 * parser.c (cp_parser_class_specifier_1): Use any possible
4508 DEFPARSE_INSTANTIATIONS to update DEFERRED_NOEXCEPT_PATTERN.
4509 (cp_parser_save_noexcept): Initialize DEFPARSE_INSTANTIATIONS.
4510 * pt.c (tsubst_exception_specification): Stash new_specs into
4511 DEFPARSE_INSTANTIATIONS.
4512 * tree.c (fixup_deferred_exception_variants): Use
4513 UNPARSED_NOEXCEPT_SPEC_P.
4515 2021-02-02 Jason Merrill <jason@redhat.com>
4517 PR c++/98929
4518 PR c++/96199
4519 * error.c (dump_expr): Ignore dummy object.
4520 * pt.c (tsubst_baselink): Handle dependent scope.
4522 2021-02-01 Patrick Palka <ppalka@redhat.com>
4524 PR c++/98295
4525 * constexpr.c (cxx_eval_array_reference): Also set
4526 new_ctx.object when setting new_ctx.ctor.
4528 2021-02-01 Marek Polacek <polacek@redhat.com>
4530 PR c++/98355
4531 * parser.c (cp_parser_has_attribute_expression): Use
4532 uses_template_parms instead of type_dependent_expression_p.
4534 2021-02-01 Jason Merrill <jason@redhat.com>
4536 PR c++/98570
4537 * cp-tree.h: Declare it.
4538 * pt.c (comparing_dependent_aliases): New flag.
4539 (template_args_equal, spec_hasher::equal): Set it.
4540 (dependent_alias_template_spec_p): Assert that we don't
4541 get non-types other than error_mark_node.
4542 (instantiate_alias_template): SET_TYPE_STRUCTURAL_EQUALITY
4543 on complex alias specializations. Set TYPE_DEPENDENT_P here.
4544 (tsubst_decl): Not here.
4545 * module.cc (module_state::read_cluster): Set
4546 comparing_dependent_aliases instead of
4547 comparing_specializations.
4548 * tree.c (cp_tree_equal): Remove comparing_specializations
4549 module handling.
4550 * typeck.c (structural_comptypes): Adjust.
4551 (comptypes): Remove comparing_specializations handling.
4553 2021-01-29 Nathan Sidwell <nathan@acm.org>
4555 PR c++/98843
4556 * module.cc (module_state_config): Add num_entities field.
4557 (module_state::read_entities): The entity_ary span is
4558 already allocated.
4559 (module_state::write_config): Write num_entities.
4560 (module_state::read_config): Read num_entities.
4561 (module_state::write): Set config's num_entities.
4562 (module_state::read_initial): Allocate the entity ary
4563 span here.
4564 (module_state::read_language): Do not set entity_lwm
4565 here.
4567 2021-01-29 Marek Polacek <polacek@redhat.com>
4569 PR c++/96137
4570 * parser.c (cp_parser_class_name): If parser->scope is
4571 error_mark_node, return it, otherwise continue.
4573 2021-01-28 Jakub Jelinek <jakub@redhat.com>
4575 PR c++/98841
4576 * typeck.c (build_x_indirect_ref): For *this, return current_class_ref.
4578 2021-01-28 Jakub Jelinek <jakub@redhat.com>
4580 PR c++/33661
4581 PR c++/98847
4582 * decl.c (cp_finish_decl): For register vars with asmspec in templates
4583 call set_user_assembler_name and set DECL_HARD_REGISTER.
4584 * pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars,
4585 pass asmspec_tree to cp_finish_decl.
4587 2021-01-28 Nathan Sidwell <nathan@acm.org>
4589 PR c++/98770
4590 * module.cc (trees_out::decl_value): Swap is_typedef & TYPE_NAME
4591 check order.
4592 (trees_in::decl_value): Do typedef frobbing only when installing
4593 a new typedef, adjust is_matching_decl call. Swap is_typedef
4594 & TYPE_NAME check.
4595 (trees_in::is_matching_decl): Add is_typedef parm. Adjust variable
4596 names and deal with typedef checking.
4598 2021-01-27 Jason Merrill <jason@redhat.com>
4600 PR c++/97874
4601 * name-lookup.c (lookup_using_decl): Clean up handling
4602 of dependency and inherited constructors.
4603 (finish_nonmember_using_decl): Handle DECL_DEPENDENT_P.
4604 * pt.c (tsubst_expr): Handle DECL_DEPENDENT_P.
4606 2021-01-26 Jason Merrill <jason@redhat.com>
4608 PR c++/97474
4609 * call.c (type_passed_as): Don't mark invisiref restrict.
4611 2021-01-26 Jason Merrill <jason@redhat.com>
4613 PR c++/97566
4614 PR c++/98463
4615 * class.c (layout_class_type): An empty field gets size 0.
4616 (is_empty_field): New.
4617 (check_bases): Check it.
4618 * cp-tree.h (is_empty_field): Declare it.
4619 * constexpr.c (cxx_eval_store_expression): Check it.
4620 (cx_check_missing_mem_inits): Likewise.
4621 * init.c (perform_member_init): Likewise.
4622 * typeck2.c (process_init_constructor_record): Likewise.
4624 2021-01-25 Martin Sebor <msebor@redhat.com>
4626 PR c++/98646
4627 * cvt.c (cp_fold_convert): Propagate TREE_NO_WARNING.
4629 2021-01-25 Jason Merrill <jason@redhat.com>
4631 PR c++/98463
4632 * constexpr.c (get_or_insert_ctor_field): Add check.
4633 (cxx_eval_store_expression): Handle discontinuity of refs.
4635 2021-01-23 Anthony Sharp <anthonysharp15@gmail.com>
4637 * call.c (complain_about_access): Altered function.
4638 * cp-tree.h (complain_about_access): Changed parameters of function.
4639 (get_parent_with_private_access): Declared new function.
4640 * search.c (get_parent_with_private_access): Defined new function.
4641 * semantics.c (enforce_access): Modified function.
4642 * typeck.c (complain_about_unrecognized_member): Updated function
4643 arguments in complain_about_access.
4645 2021-01-23 Patrick Palka <ppalka@redhat.com>
4647 PR c++/97399
4648 * cp-tree.h (shared_member_p): Adjust declaration.
4649 * parser.c (cp_parser_init_declarator): If the storage class
4650 specifier is sc_static, pass true for static_p to
4651 cp_parser_declarator.
4652 (cp_parser_direct_declarator): Don't do inject_this_parm when
4653 the declarator is a friend.
4654 * search.c (shared_member_p): Change return type to bool and
4655 adjust function body accordingly. Return false for a dependent
4656 USING_DECL instead of aborting.
4657 * semantics.c (finish_qualified_id_expr): Rely on shared_member_p
4658 even when type-dependent.
4660 2021-01-22 Marek Polacek <polacek@redhat.com>
4662 PR c++/96623
4663 * parser.c (inject_parm_decls): Remove a redundant assignment.
4664 (cp_parser_class_specifier_1): Clear current_class_{ptr,ref}
4665 before calling inject_parm_decls.
4667 2021-01-22 Jason Merrill <jason@redhat.com>
4669 PR c++/98744
4670 * call.c (make_base_init_ok): Use DECL_HAS_VTT_PARM_P.
4672 2021-01-22 Jakub Jelinek <jakub@redhat.com>
4674 PR sanitizer/95693
4675 * init.c (build_zero_init_1): Revert the 2018-03-06 change to
4676 return build_zero_cst for reference types.
4677 * typeck2.c (process_init_constructor_record): Instead call
4678 build_zero_cst here during error recovery instead of build_zero_init.
4680 2021-01-22 Marek Polacek <polacek@redhat.com>
4682 PR c++/98545
4683 * mangle.c (write_member_name): Emit abi_warn_or_compat_version_crosses
4684 warnings regardless of abi_version_at_least.
4685 (write_expression): When the expression is a dependent name
4686 and an operator name, write "on" before writing its name.
4688 2021-01-22 Marek Polacek <polacek@redhat.com>
4690 PR c++/97966
4691 * pt.c (instantiate_class_template_1): Instantiate members
4692 marked with attribute used only after we're done instantiating
4693 the class.
4695 2021-01-21 Patrick Palka <ppalka@redhat.com>
4697 PR c++/71879
4698 * semantics.c (finish_decltype_type): Set up a cp_unevaluated
4699 sentinel at the start of the function. Remove a now-redundant
4700 manual adjustment of cp_unevaluated_operand.
4702 2021-01-21 Nathan Sidwell <nathan@acm.org>
4704 PR c++/98624
4705 * module.cc (depset::hash::find_dependencies): Add
4706 module arg.
4707 (trees_out::core_vals): Check state before calling
4708 write_location.
4709 (sort_cluster, module_state::write): Adjust
4710 find_dependencies call.
4712 2021-01-21 Jakub Jelinek <jakub@redhat.com>
4714 PR c++/98672
4715 * constexpr.c (check_for_return_continue_data): Add break_stmt member.
4716 (check_for_return_continue): Also look for BREAK_STMT. Handle
4717 SWITCH_STMT by ignoring break_stmt from its body.
4718 (potential_constant_expression_1) <case FOR_STMT>,
4719 <case WHILE_STMT>: If the condition isn't constant true, check if
4720 the loop body can contain a return stmt.
4721 <case SWITCH_STMT>: Adjust check_for_return_continue_data initializer.
4722 <case IF_STMT>: If recursion with tf_none is successful,
4723 merge *jump_target from the branches - returns with highest priority,
4724 breaks or continues lower. If then branch is potentially constant and
4725 doesn't return, check the else branch if it could return, break or
4726 continue.
4728 2021-01-21 Nathan Sidwell <nathan@acm.org>
4730 PR c++/98530
4731 * name-lookup.c (lookup_class_binding): Rearrange a stat-hack.
4733 2021-01-20 Nathan Sidwell <nathan@acm.org>
4735 * module.cc (bytes_in::i, bytes_in::wi): Avoid left shift of
4736 signed type.
4738 2021-01-20 Patrick Palka <ppalka@redhat.com>
4740 PR c++/95434
4741 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: If tsubsting
4742 CLASS_PLACEHOLDER_TEMPLATE yields a TEMPLATE_TEMPLATE_PARM,
4743 adjust to its TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL.
4745 2021-01-20 Patrick Palka <ppalka@redhat.com>
4747 PR c++/82613
4748 * parser.c (cp_parser_class_head): Defer access checking when
4749 parsing the base-clause until all bases are seen and attached
4750 to the class type.
4751 * pt.c (instantiate_class_template): Likewise when substituting
4752 into dependent bases.
4754 2021-01-20 Jakub Jelinek <jakub@redhat.com>
4756 PR c++/98742
4757 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_DETACH>: If
4758 error_operand_p, remove clause without further checking. Check
4759 for non-NULL TYPE_NAME.
4761 2021-01-19 Marek Polacek <polacek@redhat.com>
4763 PR c++/98659
4764 * pt.c (maybe_instantiate_noexcept): Return false if FN is
4765 error_mark_node.
4767 2021-01-19 Marek Polacek <polacek@redhat.com>
4769 PR c++/98687
4770 * name-lookup.c (push_using_decl_bindings): New, broken out of...
4771 (finish_nonmember_using_decl): ...here.
4772 * name-lookup.h (push_using_decl_bindings): Update declaration.
4773 * pt.c (tsubst_expr): Update the call to push_using_decl_bindings.
4775 2021-01-19 Patrick Palka <ppalka@redhat.com>
4777 PR c++/41437
4778 PR c++/58993
4779 * search.c (friend_accessible_p): If scope is a hidden friend
4780 defined inside a dependent class, consider access from the
4781 class.
4782 * parser.c (cp_parser_late_parsing_for_member): Don't push a
4783 dk_no_check access state.
4785 2021-01-19 Marek Polacek <polacek@redhat.com>
4787 PR c++/98333
4788 * parser.c (cp_parser_class_specifier_1): Perform late-parsing
4789 of NSDMIs before late-parsing of noexcept-specifiers.
4791 2021-01-19 Nathan Sidwell <nathan@acm.org>
4793 * module.cc (identifier): Merge overloads.
4795 2021-01-19 Nathan Sidwell <nathan@acm.org>
4797 PR c++/98624
4798 * module.cc (trees_out::write_location): Make static.
4800 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
4802 * parser.c (cp_parser_omp_clause_detach): New.
4803 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH.
4804 (OMP_TASK_CLAUSE_MASK): Add mask for PRAGMA_OMP_CLAUSE_DETACH.
4805 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4806 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4807 Prevent use of detach with mergeable and overriding the data sharing
4808 mode of the event handle.
4810 2021-01-15 Nathan Sidwell <nathan@acm.org>
4812 PR c++/98538
4813 * tree.c (cp_build_qualified_type_real): Propagate an array's
4814 dependentness to the copy, if known.
4816 2021-01-15 Jason Merrill <jason@redhat.com>
4818 PR c++/98642
4819 * call.c (unsafe_return_slot_p): Return int.
4820 (init_by_return_slot_p): Split out from...
4821 (unsafe_copy_elision_p): ...here.
4822 (unsafe_copy_elision_p_opt): New name for old meaning.
4823 (build_over_call): Adjust.
4824 (make_safe_copy_elision): New.
4825 * typeck2.c (split_nonconstant_init_1): Elide copy from safe
4826 list-initialization.
4827 * cp-tree.h: Adjust.
4829 2021-01-15 Jason Merrill <jason@redhat.com>
4831 * call.c (base_ctor_for, make_base_init_ok): New.
4832 (build_over_call): Use make_base_init_ok.
4834 2021-01-15 Jason Merrill <jason@redhat.com>
4836 PR c++/63707
4837 * tree.c (build_vec_init_expr): Don't call build_vec_init_elt
4838 if we got a CONSTRUCTOR.
4840 2021-01-15 Nathan Sidwell <nathan@acm.org>
4842 PR c++/98591
4843 * lang-specs.h: Fix handling of -fmodule-only with -fsyntax-only.
4845 2021-01-14 Jason Merrill <jason@redhat.com>
4847 * typeck2.c (process_init_constructor_record): Use fldtype
4848 variable consistently.
4850 2021-01-14 Nathan Sidwell <nathan@acm.org>
4852 PR c++/98372
4853 * tree.c (cp_tree_equal): Correct map_context logic.
4855 2021-01-13 Marek Polacek <polacek@redhat.com>
4857 PR c++/98231
4858 * name-lookup.c (push_using_decl_bindings): New.
4859 * name-lookup.h (push_using_decl_bindings): Declare.
4860 * pt.c (tsubst_expr): Call push_using_decl_bindings.
4862 2021-01-13 Nathan Sidwell <nathan@acm.org>
4864 PR c++/98626
4865 * module.cc (module_add_import_initializers): Pass a
4866 zero-element argument vector.
4868 2021-01-12 Patrick Palka <ppalka@redhat.com>
4870 PR c++/98611
4871 * tree.c (cp_walk_subtrees) <case TEMPLATE_TYPE_PARM>: Visit
4872 the template of a CTAD placeholder.
4874 2021-01-12 Marek Polacek <polacek@redhat.com>
4876 PR c++/98620
4877 * typeck2.c (process_init_constructor_record): Don't emit
4878 -Wmissing-field-initializers warnings in unevaluated contexts.
4880 2021-01-11 Jakub Jelinek <jakub@redhat.com>
4882 PR c++/98481
4883 * class.c (find_abi_tags_r): Set *walk_subtrees to 2 instead of 1
4884 for types.
4885 (mark_abi_tags_r): Likewise.
4886 * decl2.c (min_vis_r): Likewise.
4887 * tree.c (cp_walk_subtrees): If *walk_subtrees_p is 2, look through
4888 typedefs.
4890 2021-01-08 Patrick Palka <ppalka@redhat.com>
4892 PR c++/98551
4893 * constexpr.c (cxx_eval_call_expression): Check CLASS_TYPE_P
4894 instead of AGGREGATE_TYPE_P before calling replace_result_decl.
4896 2021-01-08 Patrick Palka <ppalka@redhat.com>
4898 PR c++/98515
4899 * semantics.c (check_accessibility_of_qualified_id): Punt if
4900 we're checking access of a scoped non-static member inside a
4901 class template.
4903 2021-01-07 Jakub Jelinek <jakub@redhat.com>
4905 PR c++/98329
4906 * pt.c (tsubst_copy) <case BIT_CAST_EXPR>: Don't call
4907 cp_build_bit_cast here, instead just build_min a BIT_CAST_EXPR and set
4908 its location.
4909 (tsubst_copy_and_build): Handle BIT_CAST_EXPR.
4911 2021-01-07 Marek Polacek <polacek@redhat.com>
4913 PR c++/98441
4914 * decl.c (grokdeclarator): Move the !funcdecl_p check inside the
4915 !late_return_type block.
4917 2021-01-07 Jason Merrill <jason@redhat.com>
4919 * constexpr.c (cxx_bind_parameters_in_call): Add comment.
4920 (cxx_eval_store_expression): Add comment.
4922 2021-01-07 Jason Merrill <jason@redhat.com>
4924 * call.c (has_next): Factor out from...
4925 (next_conversion): ...here.
4926 (strip_standard_conversion): And here.
4927 (is_subseq): And here.
4928 (build_conv): Check it.
4929 (standard_conversion): Don't call build_conv
4930 for ck_identity.
4932 2021-01-06 Martin Sebor <msebor@redhat.com>
4934 PR c++/95768
4935 * error.c (dump_expr): Call c_pretty_printer::unary_expression.
4937 2021-01-05 Patrick Palka <ppalka@redhat.com>
4939 * pt.c (unify) <case TEMPLATE_PARM_INDEX>: After walking into
4940 the type of the NTTP, substitute into the type again. If the
4941 type is still dependent, don't unify the NTTP.
4943 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4945 * Make-lang.in (cc1plus-checksum, cc1plus$(exeext): Add
4946 $(CODYLIB) after $(BACKEND).
4948 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4950 PR c++/98469
4951 * constexpr.c (cxx_eval_constant_expression) <case BIT_CAST_EXPR>:
4952 Punt if lval is true.
4953 * semantics.c (cp_build_bit_cast): Call get_target_expr_sfinae on
4954 the result if it has a class type.
4956 2021-01-05 Marek Polacek <polacek@redhat.com>
4958 PR c++/82099
4959 * pt.c (resolve_overloaded_unification): Call
4960 maybe_instantiate_noexcept after instantiating the function
4961 decl.
4963 2021-01-05 Nathan Sidwell <nathan@acm.org>
4965 * parser.c (cp_parser_module_declaration): Alter diagnostic
4966 text to say where is permissable.
4968 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4970 PR c++/98316
4971 * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS).
4973 2021-01-02 Jan Hubicka <jh@suse.cz>
4975 * cp-tree.h (cp_tree_c_finish_parsing): Declare.
4976 * decl2.c (c_parse_final_cleanups): Call cp_tree_c_finish_parsing.
4977 * tree.c (cp_tree_c_finish_parsing): New function.
4979 2021-01-01 Jakub Jelinek <jakub@redhat.com>
4981 * ChangeLog-2020: Rotate ChangeLog. New file.
4983 \f
4984 Copyright (C) 2021 Free Software Foundation, Inc.
4986 Copying and distribution of this file, with or without modification,
4987 are permitted in any medium without royalty provided the copyright
4988 notice and this notice are preserved.