1 2019-03-25 Paolo Carlini <paolo.carlini@oracle.com>
5 * parser.c (cp_parser_binary_expression): Don't call cp_fully_fold
6 to undo the disabling of warnings.
8 2019-03-25 Jason Merrill <jason@redhat.com>
10 PR c++/87748 - substitution failure error with decltype.
11 * pt.c (most_specialized_partial_spec): Clear
12 processing_template_decl.
14 2019-03-25 Marek Polacek <polacek@redhat.com>
16 PR c++/89214 - ICE when initializing aggregates with bases.
17 * typeck2.c (digest_init_r): Warn about object slicing instead of
20 PR c++/89705 - ICE with reference binding with conversion function.
21 * call.c (reference_binding): If the result of the conversion function
22 is a prvalue of non-class type, use the cv-unqualified type.
24 2019-03-25 Nathan Sidwell <nathan@acm.org>
26 * lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group.
28 2019-03-22 Jakub Jelinek <jakub@redhat.com>
31 * cp-tree.h (get_tls_wrapper_fn): Remove declaration.
32 (maybe_get_tls_wrapper_call): Declare.
33 * decl2.c (get_tls_wrapper_fn): Make static.
34 (maybe_get_tls_wrapper_call): New function.
35 * typeck.c (build_class_member_access_expr): Handle accesses to TLS
37 * semantics.c (finish_qualified_id_expr): Likewise.
38 (finish_id_expression_1): Use maybe_get_tls_wrapper_call.
39 * pt.c (tsubst_copy_and_build): Likewise.
42 * constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
43 (cxx_eval_constant_expression): When not skipping, not constant class
44 or location wrapper, increment *ctx->constexpr_ops_count and if it is
45 above constexpr_loop_nest_limit, diagnose failure.
46 (cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
47 initialize ctx.constexpr_ops_count to its address.
48 (is_sub_constant_expr): Likewise.
50 2019-03-21 Jakub Jelinek <jakub@redhat.com>
53 * call.c (filed_in_pset): Change pset from hash_set<tree> * to
54 hash_set<tree, true> &, adjust uses accordingly.
55 (build_aggr_conv): Change pset from hash_set<tree> *
56 to hash_set<tree, true>. Replace goto fail; with return NULL;,
60 * parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id
61 variables, check for duplicates in this function.
62 * lambda.c (add_capture): Don't check for duplicates nor use
64 (register_capture_members): Don't clear IDENTIFIER_MARKED here.
66 2019-03-21 Paolo Carlini <paolo.carlini@oracle.com>
69 * method.c (after_nsdmi_defaulted_late_checks): Avoid passing
70 error_mark_node to comp_except_specs.
72 2019-03-20 Jason Merrill <jason@redhat.com>
74 PR c++/87480 - decltype of member access in default template arg
75 * pt.c (type_unification_real): Accept a dependent result in
78 2019-03-19 Martin Sebor <msebor@redhat.com>
80 PR tree-optimization/89688
81 * typeck2.c (store_init_value): Call braced_lists_to_string for more
82 kinds of initializers.
84 2019-03-18 Jason Merrill <jason@redhat.com>
86 PR c++/89630 - ICE with dependent using-decl as template arg.
87 * tree.c (cp_tree_equal): Always return false for USING_DECL.
89 PR c++/89761 - ICE with sizeof... in pack expansion.
90 * pt.c (argument_pack_element_is_expansion_p): Handle
93 PR c++/89640 - GNU attributes on lambda.
94 * parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes.
96 PR c++/89682 - wrong access error in default argument.
97 * pt.c (tsubst_default_argument): Don't defer access checks.
99 2019-03-18 Paolo Carlini <paolo.carlini@oracle.com>
102 * semantics.c (finish_non_static_data_member): Check return value
103 of context_for_name_lookup and immediately return error_mark_node
106 2019-03-17 Jason Merrill <jason@redhat.com>
108 PR c++/89571 - ICE with ill-formed noexcept on constructor.
109 * pt.c (maybe_instantiate_noexcept): Only return false if defaulted.
110 (regenerate_decl_from_template): Use it for noexcept-specs.
112 2019-03-14 Jason Merrill <jason@redhat.com>
114 * parser.c (cp_parser_decl_specifier_seq): Support C++20
115 concept-definition syntax without 'bool'.
117 2019-03-14 Jakub Jelinek <jakub@redhat.com>
120 * semantics.c (finish_qualified_id_expr): Reject variable templates.
123 * constexpr.c (struct constexpr_ctx): Change save_exprs type from
124 hash_set<tree> to vec<tree>.
125 (cxx_eval_call_expression): Adjust for save_exprs being a vec instead
127 (cxx_eval_loop_expr): Likewise. Truncate the vector after each
128 removal of SAVE_EXPRs from values.
129 (cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
130 method on save_exprs instead of add.
132 2019-03-13 Jason Merrill <jason@redhat.com>
134 PR c++/86521 - C++17 copy elision in initialization by constructor.
135 * call.c (joust_maybe_elide_copy): New.
138 2019-03-13 Marek Polacek <polacek@redhat.com>
140 PR c++/88979 - further P0634 fix for constructors.
141 * parser.c (cp_parser_decl_specifier_seq): Pass flags to
142 cp_parser_constructor_declarator_p.
143 (cp_parser_direct_declarator): Allow missing typename for constructor
145 (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
146 cp_parser_type_specifier.
148 PR c++/89686 - mixing init-capture and simple-capture in lambda.
149 * parser.c (cp_parser_lambda_introducer): Give error when combining
150 init-capture and simple-capture.
152 PR c++/89660 - bogus error with -Wredundant-move.
153 * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
154 as the std::move's argument. Don't call convert_for_initialization
155 when warn_redundant_move isn't on.
157 2019-03-11 Jason Merrill <jason@redhat.com>
159 PR c++/86521 - wrong overload resolution with ref-qualifiers.
160 * call.c (build_user_type_conversion_1): Don't use a conversion to a
161 reference of the wrong rvalueness for direct binding.
163 2019-03-11 Martin Liska <mliska@suse.cz>
165 * cvt.c (build_expr_type_conversion): Wrap apostrophes
166 in gcc internal format with %'.
167 * decl.c (check_no_redeclaration_friend_default_args): Likewise.
168 (grokfndecl): Likewise.
169 * name-lookup.c (do_pushtag): Likewise.
170 * pt.c (unify_parameter_deduction_failure): Likewise.
171 (unify_template_deduction_failure): Likewise.
173 2019-03-11 Martin Liska <mliska@suse.cz>
175 * call.c (convert_arg_to_ellipsis): Wrap an option name
176 in a string format message and fix GNU coding style.
177 (build_over_call): Likewise.
178 * class.c (check_field_decl): Likewise.
179 (layout_nonempty_base_or_field): Likewise.
180 * constexpr.c (cxx_eval_loop_expr): Likewise.
181 * cvt.c (type_promotes_to): Likewise.
182 * decl.c (cxx_init_decl_processing): Likewise.
183 (mark_inline_variable): Likewise.
184 (grokdeclarator): Likewise.
185 * decl2.c (record_mangling): Likewise.
186 * error.c (maybe_warn_cpp0x): Likewise.
187 * except.c (doing_eh): Likewise.
188 * mangle.c (maybe_check_abi_tags): Likewise.
189 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
190 (cp_parser_userdef_numeric_literal): Likewise.
191 (cp_parser_primary_expression): Likewise.
192 (cp_parser_unqualified_id): Likewise.
193 (cp_parser_pseudo_destructor_name): Likewise.
194 (cp_parser_builtin_offsetof): Likewise.
195 (cp_parser_lambda_expression): Likewise.
196 (cp_parser_lambda_introducer): Likewise.
197 (cp_parser_lambda_declarator_opt): Likewise.
198 (cp_parser_selection_statement): Likewise.
199 (cp_parser_init_statement): Likewise.
200 (cp_parser_decomposition_declaration): Likewise.
201 (cp_parser_function_specifier_opt): Likewise.
202 (cp_parser_static_assert): Likewise.
203 (cp_parser_simple_type_specifier): Likewise.
204 (cp_parser_namespace_definition): Likewise.
205 (cp_parser_using_declaration): Likewise.
206 (cp_parser_ctor_initializer_opt_and_function_body): Likewise.
207 (cp_parser_initializer_list): Likewise.
208 (cp_parser_type_parameter_key): Likewise.
209 (cp_parser_member_declaration): Likewise.
210 (cp_parser_try_block): Likewise.
211 (cp_parser_std_attribute_spec): Likewise.
212 (cp_parser_requires_clause_opt): Likewise.
213 * pt.c (check_template_variable): Likewise.
214 (check_default_tmpl_args): Likewise.
215 (push_tinst_level_loc): Likewise.
216 (instantiate_pending_templates): Likewise.
217 (invalid_nontype_parm_type_p): Likewise.
218 * repo.c (get_base_filename): Likewise.
219 * rtti.c (typeid_ok_p): Likewise.
220 (build_dynamic_cast_1): Likewise.
221 * tree.c (maybe_warn_parm_abi): Likewise.
223 2019-03-08 Jakub Jelinek <jakub@redhat.com>
226 * parser.c (cp_parser_template_declaration_after_parameters): Avoid
227 one space before " at the end of line and another after " on another
228 line in a string literal.
230 PR tree-optimization/89550
231 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
232 warning_at returned true.
233 * decl2.c (c_parse_final_cleanups): Likewise.
234 * typeck.c (convert_for_assignment): Likewise.
235 * decl.c (finish_function): Likewise.
238 * parser.c (cp_parser_asm_definition): Just warn instead of error
239 on volatile qualifier outside of function body.
242 * constexpr.c (potential_constant_expression_1): Reject
243 REINTERPRET_CAST_P NOP_EXPRs.
246 * call.c (joust): Call print_z_candidate only if pedwarn returned
249 2019-03-07 Jason Merrill <jason@redhat.com>
251 PR c++/88123 - lambda and using-directive.
252 * name-lookup.c (op_unqualified_lookup)
253 (maybe_save_operator_binding, discard_operator_bindings)
254 (push_operator_bindings): New.
255 * typeck.c (build_x_binary_op, build_x_unary_op): Call
256 maybe_save_operator_binding.
257 * decl.c (start_preparsed_function): Call push_operator_bindings.
258 * tree.c (cp_free_lang_data): Call discard_operator_bindings.
260 PR c++/88820 - ICE with CTAD and member template used in DMI.
261 * pt.c (do_class_deduction): Handle parm used as its own arg.
263 2019-03-07 Jakub Jelinek <jakub@redhat.com>
266 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even
267 at toplevel, but diagnose them.
269 2019-03-06 Jason Merrill <jason@redhat.com>
271 PR c++/89381 - implicit copy and using-declaration.
272 * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
273 op= brought in by a using-declaration.
275 2019-03-06 Jakub Jelinek <jakub@redhat.com>
278 * init.c (build_value_init_noctor): Ignore flexible array members.
280 2019-03-06 Jason Merrill <jason@redhat.com>
282 PR c++/89576 - if constexpr of lambda capture.
283 * semantics.c (maybe_convert_cond): Do convert a non-dependent
284 condition in a template.
285 * typeck.c (condition_conversion): Handle being called in a
288 2019-03-06 Marek Polacek <polacek@redhat.com>
290 PR c++/87378 - bogus -Wredundant-move warning.
291 * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
292 overload resolution would actually succeed.
294 2019-03-05 Jason Merrill <jason@redhat.com>
296 * class.c (is_really_empty_class): Add ignore_vptr parm.
297 (trivial_default_constructor_is_constexpr): Pass it.
298 * call.c (build_over_call): Pass it.
299 * constexpr.c (cxx_eval_constant_expression): Pass it instead of
300 checking TYPE_POLYMORPHIC_P.
301 (cxx_eval_component_reference, potential_constant_expression_1):
303 * cp-gimplify.c (simple_empty_class_p): Pass it.
304 * init.c (expand_aggr_init_1): Pass it.
306 2019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
309 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
311 2019-03-04 Jakub Jelinek <jakub@redhat.com>
314 * call.c (field_in_pset): New function.
315 (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
317 2019-03-02 Jakub Jelinek <jakub@redhat.com>
320 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
321 * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
322 caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
323 (cp_parser_initializer_list): Add designated parameter, set *designated
324 to a bool whether any designators were parsed.
325 * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
327 * pt.c (tsubst_copy_and_build): Likewise.
328 * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
329 don't call build_list_conv, nor build_complex_conv, nor attempt to
330 convert a single element initializer to scalar.
332 2019-03-01 Marek Polacek <polacek@redhat.com>
334 PR c++/89537 - missing location for error with non-static member fn.
335 * call.c (resolve_args): Use EXPR_LOCATION.
336 * typeck.c (build_class_member_access_expr): Use input_location.
338 PR c++/89532 - ICE with incomplete type in decltype.
339 * semantics.c (finish_compound_literal): Return error_mark_node
340 if digest_init_flags returns error_mark_node.
342 2019-03-01 Jakub Jelinek <jakub@redhat.com>
344 Implement P1002R1, Try-catch blocks in constexpr functions
346 * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
347 Diagnose constexpr ctor or function with function-try-block with
348 pedwarn for c++17 and earlier. Formatting fix.
349 (cp_parser_try_block): Use pedwarn instead of error and only for
350 c++17 and earlier when try block appears in constexpr function.
351 * constexpr.c (build_constexpr_constructor_member_initializers):
352 Handle TRY_BLOCK here instead of erroring on it.
354 2019-02-28 Jason Merrill <jason@redhat.com>
356 PR c++/88183 - ICE with .* fold-expression.
357 * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
359 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
360 * class.c, lambda.c, pt.c: Revert earlier change.
361 * lambda.c (add_capture): Don't special-case capture of dependent
364 * name-lookup.c (print_binding_level): Print this_entity.
366 2019-02-27 Marek Polacek <polacek@redhat.com>
368 PR c++/88857 - ICE with value-initialization of argument in template.
369 * call.c (convert_like_real): Don't call build_value_init in template.
371 2019-02-27 Jason Merrill <jason@redhat.com>
373 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
374 * semantics.c (process_outer_var_ref): Do capture dependent vars.
375 * class.c (finish_struct): Only add TAG_DEFN if T is in
376 current_function_decl.
377 * lambda.c (vla_capture_type): Force the capture type out into the
378 lambda's enclosing function.
379 (add_capture): Pass in the lambda.
380 * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
382 2019-02-27 Marek Polacek <polacek@redhat.com>
384 PR c++/89511 - ICE with using-declaration and unscoped enumerator.
385 * parser.c (cp_parser_using_declaration): For an unscoped enum
386 only use its context if it's not a function declaration.
388 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
391 * method.c (process_subob_fn): When maybe_instantiate_noexcept
392 returns false don't call merge_exception_specifiers.
394 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
397 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
398 for a non-constant parsed expression.
400 2019-02-26 Jakub Jelinek <jakub@redhat.com>
403 * constexpr.c (cxx_eval_store_expression): When changing active union
404 member, set no_zero_init.
406 2019-02-23 Marek Polacek <polacek@redhat.com>
408 PR c++/88294 - ICE with non-constant noexcept-specifier.
409 * pt.c (maybe_instantiate_noexcept): Set up the list of local
410 specializations. Set current_class_{ptr,ref}.
412 2019-02-22 David Malcolm <dmalcolm@redhat.com>
415 * parser.c (cp_parser_unqualified_id): Capture and use locations
418 2019-02-22 Marek Polacek <polacek@redhat.com>
420 PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
421 * decl.c (build_explicit_specifier): Don't check
422 processing_template_decl. Call instantiation_dependent_expression_p
423 instead of value_dependent_expression_p. Call
424 instantiate_non_dependent_expr_sfinae before
425 build_converted_constant_expr instead of calling
426 instantiate_non_dependent_expr after it. Add
427 processing_template_decl_sentinel.
429 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
431 * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
432 parameter, move loc formal parameter to the front. Adjust all
434 (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
437 2019-02-21 Jason Merrill <jason@redhat.com>
439 PR c++/87685 - generic lambda 'this' capture error.
440 * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
441 (maybe_generic_this_capture): Pass -1.
443 PR c++/88394 - ICE with VLA init-capture.
444 * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
446 PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
447 * pt.c (do_class_deduction): Don't include explicit specialization
450 PR c++/89422 - ICE with -g and lambda in default arg in template.
451 * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
453 2019-02-21 Jason Merrill <jason@redhat.com>
455 PR c++/88419 - C++17 ICE with class template arg deduction.
456 * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
457 CLASS_PLACEHOLDER_TEMPLATE.
459 2019-02-21 Jakub Jelinek <jakub@redhat.com>
462 * constexpr.c (struct constexpr_fundef): Add parms and result members.
463 (retrieve_constexpr_fundef): Adjust for the above change.
464 (register_constexpr_fundef): Save constexpr body with copy_fn,
465 temporarily set DECL_CONTEXT on DECL_RESULT before that.
466 (get_fundef_copy): Change FUN argument to FUNDEF with
467 constexpr_fundef * type, grab body and parms/result out of
468 constexpr_fundef struct and temporarily change it for copy_fn calls
470 (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
471 adjust current_function_decl from ctx->call context. Test
472 !potential_constant_expression instead of !is_constant_expression.
473 (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
474 convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
475 (cxx_eval_call_expression): Adjust get_fundef_copy caller.
476 (cxx_eval_conditional_expression): For IF_STMT, allow then or else
478 (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
479 (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
480 (cxx_eval_switch_expr): Add support for SWITCH_STMT.
481 (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
482 DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
483 For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
484 DECL_EXPR with USING_DECL operand.
485 * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
486 build_int_cst to make it a valid constant expression.
488 2019-02-20 Jason Merrill <jason@redhat.com>
490 PR c++/88690 - C++17 ICE with empty base in aggregate.
491 * typeck2.c (process_init_constructor_record): Skip trivial
492 initialization of an empty base.
494 2019-02-21 Richard Biener <rguenther@suse.de>
497 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
498 make symtab process new functions here.
500 2019-02-20 Jason Merrill <jason@redhat.com>
502 PR c++/87921 - wrong error with inline static data member.
503 * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
504 for a non-template inline variable. Do nothing for an
505 already-instantiated variable.
506 (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
508 * decl.c (check_initializer): Likewise.
509 (make_rtl_for_nonlocal_decl): Likewise.
510 * pt.c (instantiate_decl): Likewise.
511 * typeck2.c (store_init_value): Likewise.
513 2019-02-20 Jakub Jelinek <jakub@redhat.com>
516 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
517 for flag_syntax_only from here...
518 * semantics.c (expand_or_defer_fn_1): ... here.
521 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
522 DECL_COMMON, set DECL_INTERFACE_KNOWN.
525 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
526 union member for -std=c++17 and earlier.
528 2019-02-19 Jason Merrill <jason@redhat.com>
530 PR c++/87513 - 'sorry' mangling PMF template-id.
531 * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
533 2019-02-19 Jason Merrill <jason@redhat.com>
535 PR c++/88380 - wrong-code with flexible array and NSDMI.
536 * typeck2.c (process_init_constructor_record): Skip flexarrays.
538 2019-02-20 will wray <wjwray@gmail.com>
540 PR c++/88572 - wrong handling of braces on scalar init.
541 * decl.c (reshape_init_r): Allow braces around scalar initializer
542 within aggregate init. Reject double braced-init of scalar
545 2019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
548 * pt.c (tsubst_init): Diagnose an initializer expanding to an
549 empty list of expressions; tweak wrt dependent types.
550 (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
551 instead of tsubst_expr.
553 2019-02-19 Jason Merrill <jason@redhat.com>
555 PR c++/88368 - wrong 'use of deleted function'
556 * method.c (walk_field_subobs): Remember errors from get_nsdmi.
557 (get_defaulted_eh_spec): Call push_tinst_level.
558 * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
559 * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
561 2019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
564 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
565 clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
567 2019-02-19 Jakub Jelinek <jakub@redhat.com>
570 * lambda.c (maybe_generic_this_capture): Don't check
571 DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
574 * typeck.c (build_reinterpret_cast_1): Don't handle void to
575 && conversion go through build_target_expr_with_type.
578 * error.c (qualified_name_lookup_error): Only call
579 suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
581 2019-02-19 Tom Honermann <tom@honermann.net>
583 * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
585 2019-02-18 Jason Merrill <jason@redhat.com>
587 PR c++/89336 - multiple stores in constexpr stmt.
588 * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
591 * pt.c (check_explicit_specialization): If the declarator is a
592 template-id, only check whether the arguments are dependent.
594 Improve duplicate [[likely]] diagnostic.
595 * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
596 to process_stmt_hotness_attribute.
597 * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
598 (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
600 2019-02-17 Marek Polacek <polacek@redhat.com>
602 PR c++/89217 - ICE with list-initialization in range-based for loop.
603 * constexpr.c (unshare_constructor): No longer static.
604 * cp-tree.h (unshare_constructor): Declare.
605 * semantics.c (finish_compound_literal): When dealing with a
606 non-dependent expression in a template, return the original
607 expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
609 2019-02-13 Marek Polacek <polacek@redhat.com>
611 PR c++/89297 - ICE with OVERLOAD in template.
612 * semantics.c (finish_compound_literal): Call
613 instantiate_non_dependent_expr_sfinae.
615 2019-02-13 Alexandre Oliva <aoliva@redhat.com>
618 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
619 * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
620 * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
621 (shared_member_p): Likewise.
622 (lookup_member): Likewise.
623 * decl.c (grok_special_member_properties): Skip USING_DECLs.
624 * semantics.c (finish_omp_declare_simd_methods): Likewise.
625 (finish_qualified_id_expr): Do not call shared_member_p with
629 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
630 Move cp_evaluated resetting before signature tsubsting.
631 (gen_elem_of_pack_expansion_instantiation): Separate local
632 specializations per index.
634 2019-02-13 David Malcolm <dmalcolm@redhat.com>
637 * class.c (add_method): Drop destructor assertion.
639 2019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
642 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
643 context (the first argument).
644 * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
647 2019-02-12 Jason Merrill <jason@redhat.com>
649 PR c++/89144 - link error with constexpr initializer_list.
650 * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
651 array for an empty list.
652 * typeck2.c (store_init_value): Don't use cxx_constant_init in a
655 2019-02-11 Jason Merrill <jason@redhat.com>
657 PR c++/89241 - ICE with __func__ in lambda in template.
658 * pt.c (enclosing_instantiation_of): Also check
659 instantiated_lambda_fn_p for the template context.
661 2019-02-11 Marek Polacek <polacek@redhat.com>
663 PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
664 * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
665 null member pointer value.
667 2019-02-11 Jakub Jelinek <jakub@redhat.com>
670 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
671 to maybe_constant_value calls.
673 2019-02-11 Marek Polacek <polacek@redhat.com>
675 * typeck2.c (digest_init_r): Remove commented code.
677 2019-02-11 Martin Sebor <msebor@redhat.com>
680 * decl.c (compute_array_index_type_loc): Preserve signed sizes
681 for diagnostics. Call valid_array_size_p instead of error.
682 * init.c (build_new_1): Compute size for diagnostic. Call
683 invalid_array_size_error
684 (build_new): Call valid_array_size_p instead of error.
686 2019-02-07 Alexandre Oliva <aoliva@redhat.com>
689 * call.c (compare_ics): Deal with ck_aggr in either cs.
691 2019-02-06 David Malcolm <dmalcolm@redhat.com>
694 * call.c (get_location_for_expr_unwinding_for_system_header): New
696 (conversion_null_warnings): Use it when getting locations for
697 EXPR, effectively adding a call to
698 get_location_for_expr_unwinding_for_system_header for
699 -Wconversion-null and making use of EXPR_LOCATION for
700 -Wzero-as-null-pointer-constant.
702 2019-02-05 Jakub Jelinek <jakub@redhat.com>
705 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
706 PARM_DECLs of the thunk.
707 * lambda.c (maybe_add_lambda_conv_op): Likewise.
709 2019-02-05 Marek Polacek <polacek@redhat.com>
711 PR c++/89158 - by-value capture of constexpr variable broken.
712 * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
713 instead of mark_rvalue_use.
715 2019-02-05 Alexandre Oliva <aoliva@redhat.com>
718 * pt.c (instantiates_primary_template_p): New.
719 (type_dependent_expression_p): Use it.
721 2019-02-01 Jason Merrill <jason@redhat.com>
723 PR c++/88761 - ICE with reference capture of constant.
724 * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
727 2019-02-01 Marek Polacek <polacek@redhat.com>
729 PR c++/88325 - ICE with invalid out-of-line template member definition.
730 * parser.c (cp_parser_class_name): Don't call make_typename_type
733 2019-02-01 Jakub Jelinek <jakub@redhat.com>
736 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
737 if require_open failed.
739 2019-01-31 Marek Polacek <polacek@redhat.com>
741 PR c++/89083, c++/80864 - ICE with list initialization in template.
742 * constexpr.c (adjust_temp_type): Use copy_node and change the type
743 instead of using build_constructor.
744 * decl.c (reshape_init_r): Don't reshape a digested initializer.
745 Return the initializer for COMPOUND_LITERAL_P.
747 PR c++/88983 - ICE with switch in constexpr function.
748 * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
749 (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
750 label in the else branch if we found it in the then branch.
752 2019-01-30 Jason Merrill <jason@redhat.com>
754 PR c++/88752 - ICE with lambda and constexpr if.
755 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
756 * pt.c (tsubst_lambda_expr): Set it.
757 (instantiated_lambda_fn_p): Check it.
758 (enclosing_instantiation_of): Use it.
760 2019-01-31 Jakub Jelinek <jakub@redhat.com>
763 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
764 a C cast in pp_c_flag_gnu_v3 mode.
766 2019-01-30 Jakub Jelinek <jakub@redhat.com>
769 * lambda.c (is_capture_proxy): Don't return true for
770 DECL_OMP_PRIVATIZED_MEMBER artificial vars.
772 2019-01-30 Marek Polacek <polacek@redhat.com>
774 PR c++/89119 - ICE with value-initialization in template.
775 * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
777 2019-01-29 Jason Merrill <jason@redhat.com>
779 PR c++/86943 - wrong code converting lambda to function pointer.
780 * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
781 call. Only forward parms for decltype.
782 * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
784 * typeck.c (check_return_expr): Don't mess with a thunk call.
786 2019-01-28 Jason Merrill <jason@redhat.com>
788 PR c++/89089 - ICE with [[no_unique_address]].
789 PR c++/88865 - wrong layout with [[no_unique_address]].
790 * class.c (check_field_decls): A potentially-overlapping field makes
791 the class non-layout-POD, but not non-empty.
792 (end_of_class): Always consider empty data members.
793 (layout_class_type): Set DECL_SIZE for empty fields.
795 2019-01-28 Marek Polacek <polacek@redhat.com>
797 PR c++/88358 - name wrongly treated as type.
798 * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
799 in parameter-list is a type if the function's declarator-id is not
802 2019-01-27 Marek Polacek <polacek@redhat.com>
804 PR c++/88815 - narrowing conversion lost in decltype.
805 PR c++/78244 - narrowing conversion in template not detected.
806 * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
807 * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
808 CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
809 * semantics.c (finish_compound_literal): When the compound literal
810 isn't instantiation-dependent and the type isn't type-dependent,
811 fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
813 PR c++/89024 - ICE with incomplete enum type.
814 * call.c (standard_conversion): When converting an
815 ARITHMETIC_TYPE_P to an incomplete type, return NULL.
817 2019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
820 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
821 * decl2.c (coerce_delete_type): Use build_pointer_type instead
824 2019-01-24 Jason Merrill <jason@redhat.com>
826 PR c++/89001 - mangling of reference temporaries
827 * cp-tree.h (struct saved_scope): Add ref_temp_count.
828 (current_ref_temp_count): New macro.
829 * mangle.c (mangle_ref_init_variable): Use it.
830 * typeck2.c (store_init_value): Clear it.
831 * call.c (make_temporary_var_for_ref_to_temp): Copy public and
834 2019-01-24 Jakub Jelinek <jakub@redhat.com>
837 * semantics.c (finish_omp_cancel): Diagnose more than one if
838 on #pragma omp cancel with different modifiers. Use
839 maybe_convert_cond when not in template or build_x_binary_op
842 2019-01-23 Marek Polacek <polacek@redhat.com>
844 PR c++/88757 - qualified name treated wrongly as type.
845 * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
846 in parameter-list as types if name lookup for declarator-id didn't
847 find one or more function templates.
849 2019-01-23 Jakub Jelinek <jakub@redhat.com>
852 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
853 after genericizing cond and incr expressions.
856 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
857 before the begin_bc_block call.
859 2019-01-21 Jason Merrill <jason@redhat.com>
861 PR c++/87893 - constexpr ctor ICE on ARM.
862 PR c++/88293 - ICE with comma expression.
863 * constexpr.c (initialized_type): Don't shortcut non-void type.
864 Handle COMPOUND_EXPR.
865 (cxx_eval_outermost_constant_expr): Return early for void type.
867 2019-01-21 Jakub Jelinek <jakub@redhat.com>
870 * optimize.c (cxx_copy_decl): New function.
871 (clone_body): Use it instead of copy_decl_no_change.
874 * typeck.c (cp_build_binary_op): Don't instrument
875 SANITIZE_POINTER_COMPARE if processing_template_decl.
876 (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
878 2019-01-18 Jason Merrill <jason@redhat.com>
880 PR c++/88875 - error with explicit list constructor.
881 * call.c (reference_binding): Don't modify EXPR. Set
882 need_temporary_p on the ck_user conversion for a temporary.
883 (convert_like_real): Check it.
885 2019-01-18 H.J. Lu <hongjiu.lu@intel.com>
889 * call.c (convert_for_arg_passing): Upate the
890 warn_for_address_or_pointer_of_packed_member call.
891 * typeck.c (convert_for_assignment): Likewise.
893 2019-01-17 Jason Merrill <jason@redhat.com>
895 PR c++/86205 - ICE with ?: of throw and template-id.
896 * pt.c (resolve_nondeduced_context_or_error): Split out from...
897 * typeck.c (decay_conversion): ...here.
898 * call.c (build_conditional_expr_1): Use it.
900 PR c++/86740, ICE with constexpr if and nested generic lambdas.
901 * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
903 2019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
905 * decl.c (grokdeclarator): Use typespec_loc in error messages
906 about 'auto' and trailing return type.
908 2019-01-17 David Malcolm <dmalcolm@redhat.com>
911 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
914 2019-01-17 Nathan Sidwell <nathan@acm.org>
917 * semantics.c (process_outer_var_ref): Only skip dependent types
920 2019-01-17 Alexandre Oliva <aoliva@redhat.com>
923 * cp-tree.h (saved_scope): Add suppress_location_wrappers.
924 * name-lookup.c (do_push_to_top_level): Save and reset it.
925 (do_pop_from_top_level): Restore it.
928 * pt.c (make_template_placeholder): Use auto_identifier.
929 (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
930 * error.c (dump_type): Handle template placeholders.
931 * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
934 * cvt.c (convert_to_void): Handle all cdtor calls as if
937 2019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
939 * decl.c (grokdeclarator): Use locations[ds_storage_class] in
940 error messages about ill-formed uses of mutable.
942 2019-01-16 Marek Polacek <polacek@redhat.com>
944 PR c++/78244 - narrowing conversion in template not detected.
945 * call.c (perform_implicit_conversion_flags): Set
946 IMPLICIT_CONV_EXPR_BRACED_INIT.
947 * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
948 * pt.c (tsubst_copy_and_build): Use it.
950 2019-01-15 David Malcolm <dmalcolm@redhat.com>
953 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
956 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
958 * decl.c (start_decl): Improve error location.
959 * decl2.c (grokfield): Likewise.
961 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
963 * decl.c (grokdeclarator): Move further up the location_t loc
964 declaration and use the location when building a TYPE_DECL for
966 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
967 about an ill-formed bit-field as typedef.
969 2019-01-14 Marek Polacek <polacek@redhat.com>
971 PR c++/88830 - ICE with abstract class.
972 * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
975 PR c++/88825 - ICE with bogus function return type deduction.
976 * typeck.c (can_do_nrvo_p): Check error_mark_node.
978 2019-01-14 Tom Honermann <tom@honermann.net>
980 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
981 * cvt.c (type_promotes_to): Handle char8_t promotion.
982 * decl.c (grokdeclarator): Handle invalid type specifier
983 combinations involving char8_t.
984 * lex.c (init_reswords): Add char8_t as a reserved word.
985 * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
986 * parser.c (cp_keyword_starts_decl_specifier_p)
987 (cp_parser_simple_type_specifier): Recognize char8_t as a simple
989 (cp_parser_string_literal): Use char8_array_type_node for the type
991 (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
993 * rtti.c (emit_support_tinfos): type_info support for char8_t.
994 * tree.c (char_type_p): Recognize char8_t as a character type.
995 * typeck.c (string_conv_p): Handle conversions of u8 string
996 literals of char8_t type.
997 (check_literal_operator_args): Handle UDLs with u8 string literals
999 * typeck2.c (ordinary_char_type_p): New.
1000 (digest_init_r): Disallow initializing a char array with a u8 string
1003 2019-01-14 Martin Liska <mliska@suse.cz>
1005 PR gcov-profile/88263
1006 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
1007 as location of the TLS wrapper.
1009 2019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
1011 * decl.c (cp_finish_decl): Improve error location.
1012 * decl2.c (grokfield): Likewise, improve two locations.
1014 2019-01-11 Marek Polacek <polacek@redhat.com>
1016 PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
1017 * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
1020 2019-01-11 Jason Merrill <jason@redhat.com>
1022 PR c++/88312 - pack expansion of decltype.
1023 * pt.c (instantiation_dependent_r): A template non-type parameter
1024 pack is instantiation-dependent.
1026 2019-01-11 Jason Merrill <jason@redhat.com>
1028 PR c++/88613 - ICE with use of const var in lambda.
1029 * expr.c (mark_use): Fix location wrapper handling.
1030 * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
1032 2019-01-11 Tobias Burnus <burnus@net-b.de>
1035 * decl2.c (maybe_emit_vtables): If needed, generate code for
1036 the destructor of an abstract class.
1037 (mark_used): Update comment for older function-name change.
1039 2019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
1041 * decl.c (start_decl): Improve error location.
1042 (grokdeclarator): Likewise, improve two locations.
1044 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1048 * cp-tree.h: Mechanically replace "can not" with "cannot".
1049 * parser.c: Likewise.
1052 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
1054 * decl.c (grok_reference_init): Improve error location.
1055 (grokdeclarator): Likewise, improve two locations.
1057 2019-01-08 Marek Polacek <polacek@redhat.com>
1059 PR c++/88538 - braced-init-list in template-argument-list.
1060 * parser.c (cp_parser_template_argument): Handle braced-init-list when
1063 PR c++/88548 - this accepted in static member functions.
1064 * parser.c (cp_debug_parser): Adjust printing of
1065 local_variables_forbidden_p.
1066 (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
1067 (cp_parser_primary_expression): When checking
1068 local_variables_forbidden_p, use THIS_FORBIDDEN or
1069 LOCAL_VARS_FORBIDDEN.
1070 (cp_parser_lambda_body): Update the type of
1071 local_variables_forbidden_p. Set it to 0 rather than false.
1072 (cp_parser_condition): Adjust call to cp_parser_declarator.
1073 (cp_parser_explicit_instantiation): Likewise.
1074 (cp_parser_init_declarator): Likewise.
1075 (cp_parser_declarator): New parameter. Use it.
1076 (cp_parser_direct_declarator): New parameter. Use it to set
1077 local_variables_forbidden_p. Adjust call to cp_parser_declarator.
1078 (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
1079 (cp_parser_parameter_declaration): Likewise.
1080 (cp_parser_default_argument): Update the type of
1081 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
1083 (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
1084 'static' or 'friend'.
1085 (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
1086 (cp_parser_late_parsing_default_args): Update the type of
1087 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
1089 (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
1090 (cp_parser_objc_class_ivars): Likewise.
1091 (cp_parser_objc_struct_declaration): Likewise.
1092 (cp_parser_omp_for_loop_init): Likewise.
1093 * parser.h (cp_parser): Change the type of local_variables_forbidden_p
1095 (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
1098 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
1100 * decl.c (start_decl): Improve permerror location.
1102 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
1103 Jakub Jelinek <jakub@redhat.com>
1106 * decl.c (finish_function): For -Wreturn-type don't add a return *this;
1107 fixit hint if current_class_ref is NULL. Use a single if instead of
1110 2019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
1112 * decl.c (start_decl): Improve two error_at locations.
1113 (expand_static_init): Likewise.
1115 2019-01-07 Marek Polacek <polacek@redhat.com>
1117 PR c++/88741 - wrong error with initializer-string.
1118 * decl.c (cp_complete_array_type): Strip any location wrappers.
1120 2019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
1126 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
1127 * typeck2.c (digest_init_r): Raise an error for non-static
1128 initialization of a flexible array member.
1129 (process_init_constructor, massage_init_elt,
1130 process_init_constructor_array, process_init_constructor_record,
1131 process_init_constructor_union, process_init_constructor): Add the
1132 flags parameter and pass it thru.
1133 (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
1134 digest_init_flags for static decls.
1136 2019-01-07 Jakub Jelinek <jakub@redhat.com>
1139 * cp-tree.h (cp_build_vec_convert): Declare.
1140 * parser.c (cp_parser_postfix_expression): Parse
1141 __builtin_convertvector.
1142 * constexpr.c: Include fold-const-call.h.
1143 (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
1144 (potential_constant_expression_1): Likewise.
1145 * semantics.c (cp_build_vec_convert): New function.
1146 * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
1149 2019-01-03 Jakub Jelinek <jakub@redhat.com>
1152 * decl.c (builtin_function_1): Return result of pushdecl_top_level
1153 or pushdecl rather than decl.
1155 2019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
1157 * tree.c (handle_nodiscard_attribute): Improve warning location.
1159 2019-01-02 Marek Polacek <polacek@redhat.com>
1161 PR c++/88612 - ICE with -Waddress-of-packed-member.
1162 * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
1163 * typeck.c (convert_for_assignment): Likewise.
1165 PR c++/88631 - CTAD failing for value-initialization.
1166 * typeck2.c (build_functional_cast): Try deducing the template
1167 arguments even if there are no arguments to deduce from.
1169 2019-01-01 Jakub Jelinek <jakub@redhat.com>
1171 Update copyright years.
1173 Copyright (C) 2019 Free Software Foundation, Inc.
1175 Copying and distribution of this file, with or without modification,
1176 are permitted in any medium without royalty provided the copyright
1177 notice and this notice are preserved.