1 2019-03-26 Jakub Jelinek <jakub@redhat.com>
4 * semantics.c (finish_omp_atomic): Add warning_sentinel for
5 -Wunused-value around finish_expr_stmt call.
7 2019-03-25 Paolo Carlini <paolo.carlini@oracle.com>
11 * parser.c (cp_parser_binary_expression): Don't call cp_fully_fold
12 to undo the disabling of warnings.
14 2019-03-25 Jason Merrill <jason@redhat.com>
16 PR c++/87748 - substitution failure error with decltype.
17 * pt.c (most_specialized_partial_spec): Clear
18 processing_template_decl.
20 2019-03-25 Marek Polacek <polacek@redhat.com>
22 PR c++/89214 - ICE when initializing aggregates with bases.
23 * typeck2.c (digest_init_r): Warn about object slicing instead of
26 PR c++/89705 - ICE with reference binding with conversion function.
27 * call.c (reference_binding): If the result of the conversion function
28 is a prvalue of non-class type, use the cv-unqualified type.
30 2019-03-25 Nathan Sidwell <nathan@acm.org>
32 * lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group.
34 2019-03-22 Jakub Jelinek <jakub@redhat.com>
37 * cp-tree.h (get_tls_wrapper_fn): Remove declaration.
38 (maybe_get_tls_wrapper_call): Declare.
39 * decl2.c (get_tls_wrapper_fn): Make static.
40 (maybe_get_tls_wrapper_call): New function.
41 * typeck.c (build_class_member_access_expr): Handle accesses to TLS
43 * semantics.c (finish_qualified_id_expr): Likewise.
44 (finish_id_expression_1): Use maybe_get_tls_wrapper_call.
45 * pt.c (tsubst_copy_and_build): Likewise.
48 * constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
49 (cxx_eval_constant_expression): When not skipping, not constant class
50 or location wrapper, increment *ctx->constexpr_ops_count and if it is
51 above constexpr_loop_nest_limit, diagnose failure.
52 (cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
53 initialize ctx.constexpr_ops_count to its address.
54 (is_sub_constant_expr): Likewise.
56 2019-03-21 Jakub Jelinek <jakub@redhat.com>
59 * call.c (filed_in_pset): Change pset from hash_set<tree> * to
60 hash_set<tree, true> &, adjust uses accordingly.
61 (build_aggr_conv): Change pset from hash_set<tree> *
62 to hash_set<tree, true>. Replace goto fail; with return NULL;,
66 * parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id
67 variables, check for duplicates in this function.
68 * lambda.c (add_capture): Don't check for duplicates nor use
70 (register_capture_members): Don't clear IDENTIFIER_MARKED here.
72 2019-03-21 Paolo Carlini <paolo.carlini@oracle.com>
75 * method.c (after_nsdmi_defaulted_late_checks): Avoid passing
76 error_mark_node to comp_except_specs.
78 2019-03-20 Jason Merrill <jason@redhat.com>
80 PR c++/87480 - decltype of member access in default template arg
81 * pt.c (type_unification_real): Accept a dependent result in
84 2019-03-19 Martin Sebor <msebor@redhat.com>
86 PR tree-optimization/89688
87 * typeck2.c (store_init_value): Call braced_lists_to_string for more
88 kinds of initializers.
90 2019-03-18 Jason Merrill <jason@redhat.com>
92 PR c++/89630 - ICE with dependent using-decl as template arg.
93 * tree.c (cp_tree_equal): Always return false for USING_DECL.
95 PR c++/89761 - ICE with sizeof... in pack expansion.
96 * pt.c (argument_pack_element_is_expansion_p): Handle
99 PR c++/89640 - GNU attributes on lambda.
100 * parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes.
102 PR c++/89682 - wrong access error in default argument.
103 * pt.c (tsubst_default_argument): Don't defer access checks.
105 2019-03-18 Paolo Carlini <paolo.carlini@oracle.com>
108 * semantics.c (finish_non_static_data_member): Check return value
109 of context_for_name_lookup and immediately return error_mark_node
112 2019-03-17 Jason Merrill <jason@redhat.com>
114 PR c++/89571 - ICE with ill-formed noexcept on constructor.
115 * pt.c (maybe_instantiate_noexcept): Only return false if defaulted.
116 (regenerate_decl_from_template): Use it for noexcept-specs.
118 2019-03-14 Jason Merrill <jason@redhat.com>
120 * parser.c (cp_parser_decl_specifier_seq): Support C++20
121 concept-definition syntax without 'bool'.
123 2019-03-14 Jakub Jelinek <jakub@redhat.com>
126 * semantics.c (finish_qualified_id_expr): Reject variable templates.
129 * constexpr.c (struct constexpr_ctx): Change save_exprs type from
130 hash_set<tree> to vec<tree>.
131 (cxx_eval_call_expression): Adjust for save_exprs being a vec instead
133 (cxx_eval_loop_expr): Likewise. Truncate the vector after each
134 removal of SAVE_EXPRs from values.
135 (cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
136 method on save_exprs instead of add.
138 2019-03-13 Jason Merrill <jason@redhat.com>
140 PR c++/86521 - C++17 copy elision in initialization by constructor.
141 * call.c (joust_maybe_elide_copy): New.
144 2019-03-13 Marek Polacek <polacek@redhat.com>
146 PR c++/88979 - further P0634 fix for constructors.
147 * parser.c (cp_parser_decl_specifier_seq): Pass flags to
148 cp_parser_constructor_declarator_p.
149 (cp_parser_direct_declarator): Allow missing typename for constructor
151 (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
152 cp_parser_type_specifier.
154 PR c++/89686 - mixing init-capture and simple-capture in lambda.
155 * parser.c (cp_parser_lambda_introducer): Give error when combining
156 init-capture and simple-capture.
158 PR c++/89660 - bogus error with -Wredundant-move.
159 * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
160 as the std::move's argument. Don't call convert_for_initialization
161 when warn_redundant_move isn't on.
163 2019-03-11 Jason Merrill <jason@redhat.com>
165 PR c++/86521 - wrong overload resolution with ref-qualifiers.
166 * call.c (build_user_type_conversion_1): Don't use a conversion to a
167 reference of the wrong rvalueness for direct binding.
169 2019-03-11 Martin Liska <mliska@suse.cz>
171 * cvt.c (build_expr_type_conversion): Wrap apostrophes
172 in gcc internal format with %'.
173 * decl.c (check_no_redeclaration_friend_default_args): Likewise.
174 (grokfndecl): Likewise.
175 * name-lookup.c (do_pushtag): Likewise.
176 * pt.c (unify_parameter_deduction_failure): Likewise.
177 (unify_template_deduction_failure): Likewise.
179 2019-03-11 Martin Liska <mliska@suse.cz>
181 * call.c (convert_arg_to_ellipsis): Wrap an option name
182 in a string format message and fix GNU coding style.
183 (build_over_call): Likewise.
184 * class.c (check_field_decl): Likewise.
185 (layout_nonempty_base_or_field): Likewise.
186 * constexpr.c (cxx_eval_loop_expr): Likewise.
187 * cvt.c (type_promotes_to): Likewise.
188 * decl.c (cxx_init_decl_processing): Likewise.
189 (mark_inline_variable): Likewise.
190 (grokdeclarator): Likewise.
191 * decl2.c (record_mangling): Likewise.
192 * error.c (maybe_warn_cpp0x): Likewise.
193 * except.c (doing_eh): Likewise.
194 * mangle.c (maybe_check_abi_tags): Likewise.
195 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
196 (cp_parser_userdef_numeric_literal): Likewise.
197 (cp_parser_primary_expression): Likewise.
198 (cp_parser_unqualified_id): Likewise.
199 (cp_parser_pseudo_destructor_name): Likewise.
200 (cp_parser_builtin_offsetof): Likewise.
201 (cp_parser_lambda_expression): Likewise.
202 (cp_parser_lambda_introducer): Likewise.
203 (cp_parser_lambda_declarator_opt): Likewise.
204 (cp_parser_selection_statement): Likewise.
205 (cp_parser_init_statement): Likewise.
206 (cp_parser_decomposition_declaration): Likewise.
207 (cp_parser_function_specifier_opt): Likewise.
208 (cp_parser_static_assert): Likewise.
209 (cp_parser_simple_type_specifier): Likewise.
210 (cp_parser_namespace_definition): Likewise.
211 (cp_parser_using_declaration): Likewise.
212 (cp_parser_ctor_initializer_opt_and_function_body): Likewise.
213 (cp_parser_initializer_list): Likewise.
214 (cp_parser_type_parameter_key): Likewise.
215 (cp_parser_member_declaration): Likewise.
216 (cp_parser_try_block): Likewise.
217 (cp_parser_std_attribute_spec): Likewise.
218 (cp_parser_requires_clause_opt): Likewise.
219 * pt.c (check_template_variable): Likewise.
220 (check_default_tmpl_args): Likewise.
221 (push_tinst_level_loc): Likewise.
222 (instantiate_pending_templates): Likewise.
223 (invalid_nontype_parm_type_p): Likewise.
224 * repo.c (get_base_filename): Likewise.
225 * rtti.c (typeid_ok_p): Likewise.
226 (build_dynamic_cast_1): Likewise.
227 * tree.c (maybe_warn_parm_abi): Likewise.
229 2019-03-08 Jakub Jelinek <jakub@redhat.com>
232 * parser.c (cp_parser_template_declaration_after_parameters): Avoid
233 one space before " at the end of line and another after " on another
234 line in a string literal.
236 PR tree-optimization/89550
237 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
238 warning_at returned true.
239 * decl2.c (c_parse_final_cleanups): Likewise.
240 * typeck.c (convert_for_assignment): Likewise.
241 * decl.c (finish_function): Likewise.
244 * parser.c (cp_parser_asm_definition): Just warn instead of error
245 on volatile qualifier outside of function body.
248 * constexpr.c (potential_constant_expression_1): Reject
249 REINTERPRET_CAST_P NOP_EXPRs.
252 * call.c (joust): Call print_z_candidate only if pedwarn returned
255 2019-03-07 Jason Merrill <jason@redhat.com>
257 PR c++/88123 - lambda and using-directive.
258 * name-lookup.c (op_unqualified_lookup)
259 (maybe_save_operator_binding, discard_operator_bindings)
260 (push_operator_bindings): New.
261 * typeck.c (build_x_binary_op, build_x_unary_op): Call
262 maybe_save_operator_binding.
263 * decl.c (start_preparsed_function): Call push_operator_bindings.
264 * tree.c (cp_free_lang_data): Call discard_operator_bindings.
266 PR c++/88820 - ICE with CTAD and member template used in DMI.
267 * pt.c (do_class_deduction): Handle parm used as its own arg.
269 2019-03-07 Jakub Jelinek <jakub@redhat.com>
272 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even
273 at toplevel, but diagnose them.
275 2019-03-06 Jason Merrill <jason@redhat.com>
277 PR c++/89381 - implicit copy and using-declaration.
278 * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
279 op= brought in by a using-declaration.
281 2019-03-06 Jakub Jelinek <jakub@redhat.com>
284 * init.c (build_value_init_noctor): Ignore flexible array members.
286 2019-03-06 Jason Merrill <jason@redhat.com>
288 PR c++/89576 - if constexpr of lambda capture.
289 * semantics.c (maybe_convert_cond): Do convert a non-dependent
290 condition in a template.
291 * typeck.c (condition_conversion): Handle being called in a
294 2019-03-06 Marek Polacek <polacek@redhat.com>
296 PR c++/87378 - bogus -Wredundant-move warning.
297 * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
298 overload resolution would actually succeed.
300 2019-03-05 Jason Merrill <jason@redhat.com>
302 * class.c (is_really_empty_class): Add ignore_vptr parm.
303 (trivial_default_constructor_is_constexpr): Pass it.
304 * call.c (build_over_call): Pass it.
305 * constexpr.c (cxx_eval_constant_expression): Pass it instead of
306 checking TYPE_POLYMORPHIC_P.
307 (cxx_eval_component_reference, potential_constant_expression_1):
309 * cp-gimplify.c (simple_empty_class_p): Pass it.
310 * init.c (expand_aggr_init_1): Pass it.
312 2019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
315 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
317 2019-03-04 Jakub Jelinek <jakub@redhat.com>
320 * call.c (field_in_pset): New function.
321 (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
323 2019-03-02 Jakub Jelinek <jakub@redhat.com>
326 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
327 * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
328 caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
329 (cp_parser_initializer_list): Add designated parameter, set *designated
330 to a bool whether any designators were parsed.
331 * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
333 * pt.c (tsubst_copy_and_build): Likewise.
334 * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
335 don't call build_list_conv, nor build_complex_conv, nor attempt to
336 convert a single element initializer to scalar.
338 2019-03-01 Marek Polacek <polacek@redhat.com>
340 PR c++/89537 - missing location for error with non-static member fn.
341 * call.c (resolve_args): Use EXPR_LOCATION.
342 * typeck.c (build_class_member_access_expr): Use input_location.
344 PR c++/89532 - ICE with incomplete type in decltype.
345 * semantics.c (finish_compound_literal): Return error_mark_node
346 if digest_init_flags returns error_mark_node.
348 2019-03-01 Jakub Jelinek <jakub@redhat.com>
350 Implement P1002R1, Try-catch blocks in constexpr functions
352 * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
353 Diagnose constexpr ctor or function with function-try-block with
354 pedwarn for c++17 and earlier. Formatting fix.
355 (cp_parser_try_block): Use pedwarn instead of error and only for
356 c++17 and earlier when try block appears in constexpr function.
357 * constexpr.c (build_constexpr_constructor_member_initializers):
358 Handle TRY_BLOCK here instead of erroring on it.
360 2019-02-28 Jason Merrill <jason@redhat.com>
362 PR c++/88183 - ICE with .* fold-expression.
363 * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
365 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
366 * class.c, lambda.c, pt.c: Revert earlier change.
367 * lambda.c (add_capture): Don't special-case capture of dependent
370 * name-lookup.c (print_binding_level): Print this_entity.
372 2019-02-27 Marek Polacek <polacek@redhat.com>
374 PR c++/88857 - ICE with value-initialization of argument in template.
375 * call.c (convert_like_real): Don't call build_value_init in template.
377 2019-02-27 Jason Merrill <jason@redhat.com>
379 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
380 * semantics.c (process_outer_var_ref): Do capture dependent vars.
381 * class.c (finish_struct): Only add TAG_DEFN if T is in
382 current_function_decl.
383 * lambda.c (vla_capture_type): Force the capture type out into the
384 lambda's enclosing function.
385 (add_capture): Pass in the lambda.
386 * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
388 2019-02-27 Marek Polacek <polacek@redhat.com>
390 PR c++/89511 - ICE with using-declaration and unscoped enumerator.
391 * parser.c (cp_parser_using_declaration): For an unscoped enum
392 only use its context if it's not a function declaration.
394 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
397 * method.c (process_subob_fn): When maybe_instantiate_noexcept
398 returns false don't call merge_exception_specifiers.
400 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
403 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
404 for a non-constant parsed expression.
406 2019-02-26 Jakub Jelinek <jakub@redhat.com>
409 * constexpr.c (cxx_eval_store_expression): When changing active union
410 member, set no_zero_init.
412 2019-02-23 Marek Polacek <polacek@redhat.com>
414 PR c++/88294 - ICE with non-constant noexcept-specifier.
415 * pt.c (maybe_instantiate_noexcept): Set up the list of local
416 specializations. Set current_class_{ptr,ref}.
418 2019-02-22 David Malcolm <dmalcolm@redhat.com>
421 * parser.c (cp_parser_unqualified_id): Capture and use locations
424 2019-02-22 Marek Polacek <polacek@redhat.com>
426 PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
427 * decl.c (build_explicit_specifier): Don't check
428 processing_template_decl. Call instantiation_dependent_expression_p
429 instead of value_dependent_expression_p. Call
430 instantiate_non_dependent_expr_sfinae before
431 build_converted_constant_expr instead of calling
432 instantiate_non_dependent_expr after it. Add
433 processing_template_decl_sentinel.
435 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
437 * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
438 parameter, move loc formal parameter to the front. Adjust all
440 (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
443 2019-02-21 Jason Merrill <jason@redhat.com>
445 PR c++/87685 - generic lambda 'this' capture error.
446 * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
447 (maybe_generic_this_capture): Pass -1.
449 PR c++/88394 - ICE with VLA init-capture.
450 * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
452 PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
453 * pt.c (do_class_deduction): Don't include explicit specialization
456 PR c++/89422 - ICE with -g and lambda in default arg in template.
457 * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
459 2019-02-21 Jason Merrill <jason@redhat.com>
461 PR c++/88419 - C++17 ICE with class template arg deduction.
462 * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
463 CLASS_PLACEHOLDER_TEMPLATE.
465 2019-02-21 Jakub Jelinek <jakub@redhat.com>
468 * constexpr.c (struct constexpr_fundef): Add parms and result members.
469 (retrieve_constexpr_fundef): Adjust for the above change.
470 (register_constexpr_fundef): Save constexpr body with copy_fn,
471 temporarily set DECL_CONTEXT on DECL_RESULT before that.
472 (get_fundef_copy): Change FUN argument to FUNDEF with
473 constexpr_fundef * type, grab body and parms/result out of
474 constexpr_fundef struct and temporarily change it for copy_fn calls
476 (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
477 adjust current_function_decl from ctx->call context. Test
478 !potential_constant_expression instead of !is_constant_expression.
479 (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
480 convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
481 (cxx_eval_call_expression): Adjust get_fundef_copy caller.
482 (cxx_eval_conditional_expression): For IF_STMT, allow then or else
484 (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
485 (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
486 (cxx_eval_switch_expr): Add support for SWITCH_STMT.
487 (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
488 DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
489 For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
490 DECL_EXPR with USING_DECL operand.
491 * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
492 build_int_cst to make it a valid constant expression.
494 2019-02-20 Jason Merrill <jason@redhat.com>
496 PR c++/88690 - C++17 ICE with empty base in aggregate.
497 * typeck2.c (process_init_constructor_record): Skip trivial
498 initialization of an empty base.
500 2019-02-21 Richard Biener <rguenther@suse.de>
503 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
504 make symtab process new functions here.
506 2019-02-20 Jason Merrill <jason@redhat.com>
508 PR c++/87921 - wrong error with inline static data member.
509 * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
510 for a non-template inline variable. Do nothing for an
511 already-instantiated variable.
512 (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
514 * decl.c (check_initializer): Likewise.
515 (make_rtl_for_nonlocal_decl): Likewise.
516 * pt.c (instantiate_decl): Likewise.
517 * typeck2.c (store_init_value): Likewise.
519 2019-02-20 Jakub Jelinek <jakub@redhat.com>
522 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
523 for flag_syntax_only from here...
524 * semantics.c (expand_or_defer_fn_1): ... here.
527 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
528 DECL_COMMON, set DECL_INTERFACE_KNOWN.
531 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
532 union member for -std=c++17 and earlier.
534 2019-02-19 Jason Merrill <jason@redhat.com>
536 PR c++/87513 - 'sorry' mangling PMF template-id.
537 * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
539 2019-02-19 Jason Merrill <jason@redhat.com>
541 PR c++/88380 - wrong-code with flexible array and NSDMI.
542 * typeck2.c (process_init_constructor_record): Skip flexarrays.
544 2019-02-20 will wray <wjwray@gmail.com>
546 PR c++/88572 - wrong handling of braces on scalar init.
547 * decl.c (reshape_init_r): Allow braces around scalar initializer
548 within aggregate init. Reject double braced-init of scalar
551 2019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
554 * pt.c (tsubst_init): Diagnose an initializer expanding to an
555 empty list of expressions; tweak wrt dependent types.
556 (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
557 instead of tsubst_expr.
559 2019-02-19 Jason Merrill <jason@redhat.com>
561 PR c++/88368 - wrong 'use of deleted function'
562 * method.c (walk_field_subobs): Remember errors from get_nsdmi.
563 (get_defaulted_eh_spec): Call push_tinst_level.
564 * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
565 * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
567 2019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
570 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
571 clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
573 2019-02-19 Jakub Jelinek <jakub@redhat.com>
576 * lambda.c (maybe_generic_this_capture): Don't check
577 DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
580 * typeck.c (build_reinterpret_cast_1): Don't handle void to
581 && conversion go through build_target_expr_with_type.
584 * error.c (qualified_name_lookup_error): Only call
585 suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
587 2019-02-19 Tom Honermann <tom@honermann.net>
589 * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
591 2019-02-18 Jason Merrill <jason@redhat.com>
593 PR c++/89336 - multiple stores in constexpr stmt.
594 * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
597 * pt.c (check_explicit_specialization): If the declarator is a
598 template-id, only check whether the arguments are dependent.
600 Improve duplicate [[likely]] diagnostic.
601 * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
602 to process_stmt_hotness_attribute.
603 * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
604 (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
606 2019-02-17 Marek Polacek <polacek@redhat.com>
608 PR c++/89217 - ICE with list-initialization in range-based for loop.
609 * constexpr.c (unshare_constructor): No longer static.
610 * cp-tree.h (unshare_constructor): Declare.
611 * semantics.c (finish_compound_literal): When dealing with a
612 non-dependent expression in a template, return the original
613 expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
615 2019-02-13 Marek Polacek <polacek@redhat.com>
617 PR c++/89297 - ICE with OVERLOAD in template.
618 * semantics.c (finish_compound_literal): Call
619 instantiate_non_dependent_expr_sfinae.
621 2019-02-13 Alexandre Oliva <aoliva@redhat.com>
624 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
625 * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
626 * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
627 (shared_member_p): Likewise.
628 (lookup_member): Likewise.
629 * decl.c (grok_special_member_properties): Skip USING_DECLs.
630 * semantics.c (finish_omp_declare_simd_methods): Likewise.
631 (finish_qualified_id_expr): Do not call shared_member_p with
635 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
636 Move cp_evaluated resetting before signature tsubsting.
637 (gen_elem_of_pack_expansion_instantiation): Separate local
638 specializations per index.
640 2019-02-13 David Malcolm <dmalcolm@redhat.com>
643 * class.c (add_method): Drop destructor assertion.
645 2019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
648 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
649 context (the first argument).
650 * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
653 2019-02-12 Jason Merrill <jason@redhat.com>
655 PR c++/89144 - link error with constexpr initializer_list.
656 * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
657 array for an empty list.
658 * typeck2.c (store_init_value): Don't use cxx_constant_init in a
661 2019-02-11 Jason Merrill <jason@redhat.com>
663 PR c++/89241 - ICE with __func__ in lambda in template.
664 * pt.c (enclosing_instantiation_of): Also check
665 instantiated_lambda_fn_p for the template context.
667 2019-02-11 Marek Polacek <polacek@redhat.com>
669 PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
670 * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
671 null member pointer value.
673 2019-02-11 Jakub Jelinek <jakub@redhat.com>
676 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
677 to maybe_constant_value calls.
679 2019-02-11 Marek Polacek <polacek@redhat.com>
681 * typeck2.c (digest_init_r): Remove commented code.
683 2019-02-11 Martin Sebor <msebor@redhat.com>
686 * decl.c (compute_array_index_type_loc): Preserve signed sizes
687 for diagnostics. Call valid_array_size_p instead of error.
688 * init.c (build_new_1): Compute size for diagnostic. Call
689 invalid_array_size_error
690 (build_new): Call valid_array_size_p instead of error.
692 2019-02-07 Alexandre Oliva <aoliva@redhat.com>
695 * call.c (compare_ics): Deal with ck_aggr in either cs.
697 2019-02-06 David Malcolm <dmalcolm@redhat.com>
700 * call.c (get_location_for_expr_unwinding_for_system_header): New
702 (conversion_null_warnings): Use it when getting locations for
703 EXPR, effectively adding a call to
704 get_location_for_expr_unwinding_for_system_header for
705 -Wconversion-null and making use of EXPR_LOCATION for
706 -Wzero-as-null-pointer-constant.
708 2019-02-05 Jakub Jelinek <jakub@redhat.com>
711 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
712 PARM_DECLs of the thunk.
713 * lambda.c (maybe_add_lambda_conv_op): Likewise.
715 2019-02-05 Marek Polacek <polacek@redhat.com>
717 PR c++/89158 - by-value capture of constexpr variable broken.
718 * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
719 instead of mark_rvalue_use.
721 2019-02-05 Alexandre Oliva <aoliva@redhat.com>
724 * pt.c (instantiates_primary_template_p): New.
725 (type_dependent_expression_p): Use it.
727 2019-02-01 Jason Merrill <jason@redhat.com>
729 PR c++/88761 - ICE with reference capture of constant.
730 * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
733 2019-02-01 Marek Polacek <polacek@redhat.com>
735 PR c++/88325 - ICE with invalid out-of-line template member definition.
736 * parser.c (cp_parser_class_name): Don't call make_typename_type
739 2019-02-01 Jakub Jelinek <jakub@redhat.com>
742 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
743 if require_open failed.
745 2019-01-31 Marek Polacek <polacek@redhat.com>
747 PR c++/89083, c++/80864 - ICE with list initialization in template.
748 * constexpr.c (adjust_temp_type): Use copy_node and change the type
749 instead of using build_constructor.
750 * decl.c (reshape_init_r): Don't reshape a digested initializer.
751 Return the initializer for COMPOUND_LITERAL_P.
753 PR c++/88983 - ICE with switch in constexpr function.
754 * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
755 (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
756 label in the else branch if we found it in the then branch.
758 2019-01-30 Jason Merrill <jason@redhat.com>
760 PR c++/88752 - ICE with lambda and constexpr if.
761 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
762 * pt.c (tsubst_lambda_expr): Set it.
763 (instantiated_lambda_fn_p): Check it.
764 (enclosing_instantiation_of): Use it.
766 2019-01-31 Jakub Jelinek <jakub@redhat.com>
769 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
770 a C cast in pp_c_flag_gnu_v3 mode.
772 2019-01-30 Jakub Jelinek <jakub@redhat.com>
775 * lambda.c (is_capture_proxy): Don't return true for
776 DECL_OMP_PRIVATIZED_MEMBER artificial vars.
778 2019-01-30 Marek Polacek <polacek@redhat.com>
780 PR c++/89119 - ICE with value-initialization in template.
781 * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
783 2019-01-29 Jason Merrill <jason@redhat.com>
785 PR c++/86943 - wrong code converting lambda to function pointer.
786 * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
787 call. Only forward parms for decltype.
788 * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
790 * typeck.c (check_return_expr): Don't mess with a thunk call.
792 2019-01-28 Jason Merrill <jason@redhat.com>
794 PR c++/89089 - ICE with [[no_unique_address]].
795 PR c++/88865 - wrong layout with [[no_unique_address]].
796 * class.c (check_field_decls): A potentially-overlapping field makes
797 the class non-layout-POD, but not non-empty.
798 (end_of_class): Always consider empty data members.
799 (layout_class_type): Set DECL_SIZE for empty fields.
801 2019-01-28 Marek Polacek <polacek@redhat.com>
803 PR c++/88358 - name wrongly treated as type.
804 * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
805 in parameter-list is a type if the function's declarator-id is not
808 2019-01-27 Marek Polacek <polacek@redhat.com>
810 PR c++/88815 - narrowing conversion lost in decltype.
811 PR c++/78244 - narrowing conversion in template not detected.
812 * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
813 * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
814 CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
815 * semantics.c (finish_compound_literal): When the compound literal
816 isn't instantiation-dependent and the type isn't type-dependent,
817 fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
819 PR c++/89024 - ICE with incomplete enum type.
820 * call.c (standard_conversion): When converting an
821 ARITHMETIC_TYPE_P to an incomplete type, return NULL.
823 2019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
826 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
827 * decl2.c (coerce_delete_type): Use build_pointer_type instead
830 2019-01-24 Jason Merrill <jason@redhat.com>
832 PR c++/89001 - mangling of reference temporaries
833 * cp-tree.h (struct saved_scope): Add ref_temp_count.
834 (current_ref_temp_count): New macro.
835 * mangle.c (mangle_ref_init_variable): Use it.
836 * typeck2.c (store_init_value): Clear it.
837 * call.c (make_temporary_var_for_ref_to_temp): Copy public and
840 2019-01-24 Jakub Jelinek <jakub@redhat.com>
843 * semantics.c (finish_omp_cancel): Diagnose more than one if
844 on #pragma omp cancel with different modifiers. Use
845 maybe_convert_cond when not in template or build_x_binary_op
848 2019-01-23 Marek Polacek <polacek@redhat.com>
850 PR c++/88757 - qualified name treated wrongly as type.
851 * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
852 in parameter-list as types if name lookup for declarator-id didn't
853 find one or more function templates.
855 2019-01-23 Jakub Jelinek <jakub@redhat.com>
858 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
859 after genericizing cond and incr expressions.
862 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
863 before the begin_bc_block call.
865 2019-01-21 Jason Merrill <jason@redhat.com>
867 PR c++/87893 - constexpr ctor ICE on ARM.
868 PR c++/88293 - ICE with comma expression.
869 * constexpr.c (initialized_type): Don't shortcut non-void type.
870 Handle COMPOUND_EXPR.
871 (cxx_eval_outermost_constant_expr): Return early for void type.
873 2019-01-21 Jakub Jelinek <jakub@redhat.com>
876 * optimize.c (cxx_copy_decl): New function.
877 (clone_body): Use it instead of copy_decl_no_change.
880 * typeck.c (cp_build_binary_op): Don't instrument
881 SANITIZE_POINTER_COMPARE if processing_template_decl.
882 (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
884 2019-01-18 Jason Merrill <jason@redhat.com>
886 PR c++/88875 - error with explicit list constructor.
887 * call.c (reference_binding): Don't modify EXPR. Set
888 need_temporary_p on the ck_user conversion for a temporary.
889 (convert_like_real): Check it.
891 2019-01-18 H.J. Lu <hongjiu.lu@intel.com>
895 * call.c (convert_for_arg_passing): Upate the
896 warn_for_address_or_pointer_of_packed_member call.
897 * typeck.c (convert_for_assignment): Likewise.
899 2019-01-17 Jason Merrill <jason@redhat.com>
901 PR c++/86205 - ICE with ?: of throw and template-id.
902 * pt.c (resolve_nondeduced_context_or_error): Split out from...
903 * typeck.c (decay_conversion): ...here.
904 * call.c (build_conditional_expr_1): Use it.
906 PR c++/86740, ICE with constexpr if and nested generic lambdas.
907 * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
909 2019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
911 * decl.c (grokdeclarator): Use typespec_loc in error messages
912 about 'auto' and trailing return type.
914 2019-01-17 David Malcolm <dmalcolm@redhat.com>
917 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
920 2019-01-17 Nathan Sidwell <nathan@acm.org>
923 * semantics.c (process_outer_var_ref): Only skip dependent types
926 2019-01-17 Alexandre Oliva <aoliva@redhat.com>
929 * cp-tree.h (saved_scope): Add suppress_location_wrappers.
930 * name-lookup.c (do_push_to_top_level): Save and reset it.
931 (do_pop_from_top_level): Restore it.
934 * pt.c (make_template_placeholder): Use auto_identifier.
935 (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
936 * error.c (dump_type): Handle template placeholders.
937 * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
940 * cvt.c (convert_to_void): Handle all cdtor calls as if
943 2019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
945 * decl.c (grokdeclarator): Use locations[ds_storage_class] in
946 error messages about ill-formed uses of mutable.
948 2019-01-16 Marek Polacek <polacek@redhat.com>
950 PR c++/78244 - narrowing conversion in template not detected.
951 * call.c (perform_implicit_conversion_flags): Set
952 IMPLICIT_CONV_EXPR_BRACED_INIT.
953 * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
954 * pt.c (tsubst_copy_and_build): Use it.
956 2019-01-15 David Malcolm <dmalcolm@redhat.com>
959 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
962 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
964 * decl.c (start_decl): Improve error location.
965 * decl2.c (grokfield): Likewise.
967 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
969 * decl.c (grokdeclarator): Move further up the location_t loc
970 declaration and use the location when building a TYPE_DECL for
972 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
973 about an ill-formed bit-field as typedef.
975 2019-01-14 Marek Polacek <polacek@redhat.com>
977 PR c++/88830 - ICE with abstract class.
978 * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
981 PR c++/88825 - ICE with bogus function return type deduction.
982 * typeck.c (can_do_nrvo_p): Check error_mark_node.
984 2019-01-14 Tom Honermann <tom@honermann.net>
986 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
987 * cvt.c (type_promotes_to): Handle char8_t promotion.
988 * decl.c (grokdeclarator): Handle invalid type specifier
989 combinations involving char8_t.
990 * lex.c (init_reswords): Add char8_t as a reserved word.
991 * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
992 * parser.c (cp_keyword_starts_decl_specifier_p)
993 (cp_parser_simple_type_specifier): Recognize char8_t as a simple
995 (cp_parser_string_literal): Use char8_array_type_node for the type
997 (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
999 * rtti.c (emit_support_tinfos): type_info support for char8_t.
1000 * tree.c (char_type_p): Recognize char8_t as a character type.
1001 * typeck.c (string_conv_p): Handle conversions of u8 string
1002 literals of char8_t type.
1003 (check_literal_operator_args): Handle UDLs with u8 string literals
1005 * typeck2.c (ordinary_char_type_p): New.
1006 (digest_init_r): Disallow initializing a char array with a u8 string
1009 2019-01-14 Martin Liska <mliska@suse.cz>
1011 PR gcov-profile/88263
1012 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
1013 as location of the TLS wrapper.
1015 2019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
1017 * decl.c (cp_finish_decl): Improve error location.
1018 * decl2.c (grokfield): Likewise, improve two locations.
1020 2019-01-11 Marek Polacek <polacek@redhat.com>
1022 PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
1023 * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
1026 2019-01-11 Jason Merrill <jason@redhat.com>
1028 PR c++/88312 - pack expansion of decltype.
1029 * pt.c (instantiation_dependent_r): A template non-type parameter
1030 pack is instantiation-dependent.
1032 2019-01-11 Jason Merrill <jason@redhat.com>
1034 PR c++/88613 - ICE with use of const var in lambda.
1035 * expr.c (mark_use): Fix location wrapper handling.
1036 * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
1038 2019-01-11 Tobias Burnus <burnus@net-b.de>
1041 * decl2.c (maybe_emit_vtables): If needed, generate code for
1042 the destructor of an abstract class.
1043 (mark_used): Update comment for older function-name change.
1045 2019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
1047 * decl.c (start_decl): Improve error location.
1048 (grokdeclarator): Likewise, improve two locations.
1050 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1054 * cp-tree.h: Mechanically replace "can not" with "cannot".
1055 * parser.c: Likewise.
1058 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
1060 * decl.c (grok_reference_init): Improve error location.
1061 (grokdeclarator): Likewise, improve two locations.
1063 2019-01-08 Marek Polacek <polacek@redhat.com>
1065 PR c++/88538 - braced-init-list in template-argument-list.
1066 * parser.c (cp_parser_template_argument): Handle braced-init-list when
1069 PR c++/88548 - this accepted in static member functions.
1070 * parser.c (cp_debug_parser): Adjust printing of
1071 local_variables_forbidden_p.
1072 (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
1073 (cp_parser_primary_expression): When checking
1074 local_variables_forbidden_p, use THIS_FORBIDDEN or
1075 LOCAL_VARS_FORBIDDEN.
1076 (cp_parser_lambda_body): Update the type of
1077 local_variables_forbidden_p. Set it to 0 rather than false.
1078 (cp_parser_condition): Adjust call to cp_parser_declarator.
1079 (cp_parser_explicit_instantiation): Likewise.
1080 (cp_parser_init_declarator): Likewise.
1081 (cp_parser_declarator): New parameter. Use it.
1082 (cp_parser_direct_declarator): New parameter. Use it to set
1083 local_variables_forbidden_p. Adjust call to cp_parser_declarator.
1084 (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
1085 (cp_parser_parameter_declaration): Likewise.
1086 (cp_parser_default_argument): Update the type of
1087 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
1089 (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
1090 'static' or 'friend'.
1091 (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
1092 (cp_parser_late_parsing_default_args): Update the type of
1093 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
1095 (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
1096 (cp_parser_objc_class_ivars): Likewise.
1097 (cp_parser_objc_struct_declaration): Likewise.
1098 (cp_parser_omp_for_loop_init): Likewise.
1099 * parser.h (cp_parser): Change the type of local_variables_forbidden_p
1101 (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
1104 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
1106 * decl.c (start_decl): Improve permerror location.
1108 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
1109 Jakub Jelinek <jakub@redhat.com>
1112 * decl.c (finish_function): For -Wreturn-type don't add a return *this;
1113 fixit hint if current_class_ref is NULL. Use a single if instead of
1116 2019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
1118 * decl.c (start_decl): Improve two error_at locations.
1119 (expand_static_init): Likewise.
1121 2019-01-07 Marek Polacek <polacek@redhat.com>
1123 PR c++/88741 - wrong error with initializer-string.
1124 * decl.c (cp_complete_array_type): Strip any location wrappers.
1126 2019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
1132 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
1133 * typeck2.c (digest_init_r): Raise an error for non-static
1134 initialization of a flexible array member.
1135 (process_init_constructor, massage_init_elt,
1136 process_init_constructor_array, process_init_constructor_record,
1137 process_init_constructor_union, process_init_constructor): Add the
1138 flags parameter and pass it thru.
1139 (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
1140 digest_init_flags for static decls.
1142 2019-01-07 Jakub Jelinek <jakub@redhat.com>
1145 * cp-tree.h (cp_build_vec_convert): Declare.
1146 * parser.c (cp_parser_postfix_expression): Parse
1147 __builtin_convertvector.
1148 * constexpr.c: Include fold-const-call.h.
1149 (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
1150 (potential_constant_expression_1): Likewise.
1151 * semantics.c (cp_build_vec_convert): New function.
1152 * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
1155 2019-01-03 Jakub Jelinek <jakub@redhat.com>
1158 * decl.c (builtin_function_1): Return result of pushdecl_top_level
1159 or pushdecl rather than decl.
1161 2019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
1163 * tree.c (handle_nodiscard_attribute): Improve warning location.
1165 2019-01-02 Marek Polacek <polacek@redhat.com>
1167 PR c++/88612 - ICE with -Waddress-of-packed-member.
1168 * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
1169 * typeck.c (convert_for_assignment): Likewise.
1171 PR c++/88631 - CTAD failing for value-initialization.
1172 * typeck2.c (build_functional_cast): Try deducing the template
1173 arguments even if there are no arguments to deduce from.
1175 2019-01-01 Jakub Jelinek <jakub@redhat.com>
1177 Update copyright years.
1179 Copyright (C) 2019 Free Software Foundation, Inc.
1181 Copying and distribution of this file, with or without modification,
1182 are permitted in any medium without royalty provided the copyright
1183 notice and this notice are preserved.