1 2019-03-14 Jakub Jelinek <jakub@redhat.com>
4 * semantics.c (finish_qualified_id_expr): Reject variable templates.
7 * constexpr.c (struct constexpr_ctx): Change save_exprs type from
8 hash_set<tree> to vec<tree>.
9 (cxx_eval_call_expression): Adjust for save_exprs being a vec instead
11 (cxx_eval_loop_expr): Likewise. Truncate the vector after each
12 removal of SAVE_EXPRs from values.
13 (cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
14 method on save_exprs instead of add.
16 2019-03-13 Jason Merrill <jason@redhat.com>
18 PR c++/86521 - C++17 copy elision in initialization by constructor.
19 * call.c (joust_maybe_elide_copy): New.
22 2019-03-13 Marek Polacek <polacek@redhat.com>
24 PR c++/88979 - further P0634 fix for constructors.
25 * parser.c (cp_parser_decl_specifier_seq): Pass flags to
26 cp_parser_constructor_declarator_p.
27 (cp_parser_direct_declarator): Allow missing typename for constructor
29 (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
30 cp_parser_type_specifier.
32 PR c++/89686 - mixing init-capture and simple-capture in lambda.
33 * parser.c (cp_parser_lambda_introducer): Give error when combining
34 init-capture and simple-capture.
36 PR c++/89660 - bogus error with -Wredundant-move.
37 * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
38 as the std::move's argument. Don't call convert_for_initialization
39 when warn_redundant_move isn't on.
41 2019-03-11 Jason Merrill <jason@redhat.com>
43 PR c++/86521 - wrong overload resolution with ref-qualifiers.
44 * call.c (build_user_type_conversion_1): Don't use a conversion to a
45 reference of the wrong rvalueness for direct binding.
47 2019-03-11 Martin Liska <mliska@suse.cz>
49 * cvt.c (build_expr_type_conversion): Wrap apostrophes
50 in gcc internal format with %'.
51 * decl.c (check_no_redeclaration_friend_default_args): Likewise.
52 (grokfndecl): Likewise.
53 * name-lookup.c (do_pushtag): Likewise.
54 * pt.c (unify_parameter_deduction_failure): Likewise.
55 (unify_template_deduction_failure): Likewise.
57 2019-03-11 Martin Liska <mliska@suse.cz>
59 * call.c (convert_arg_to_ellipsis): Wrap an option name
60 in a string format message and fix GNU coding style.
61 (build_over_call): Likewise.
62 * class.c (check_field_decl): Likewise.
63 (layout_nonempty_base_or_field): Likewise.
64 * constexpr.c (cxx_eval_loop_expr): Likewise.
65 * cvt.c (type_promotes_to): Likewise.
66 * decl.c (cxx_init_decl_processing): Likewise.
67 (mark_inline_variable): Likewise.
68 (grokdeclarator): Likewise.
69 * decl2.c (record_mangling): Likewise.
70 * error.c (maybe_warn_cpp0x): Likewise.
71 * except.c (doing_eh): Likewise.
72 * mangle.c (maybe_check_abi_tags): Likewise.
73 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
74 (cp_parser_userdef_numeric_literal): Likewise.
75 (cp_parser_primary_expression): Likewise.
76 (cp_parser_unqualified_id): Likewise.
77 (cp_parser_pseudo_destructor_name): Likewise.
78 (cp_parser_builtin_offsetof): Likewise.
79 (cp_parser_lambda_expression): Likewise.
80 (cp_parser_lambda_introducer): Likewise.
81 (cp_parser_lambda_declarator_opt): Likewise.
82 (cp_parser_selection_statement): Likewise.
83 (cp_parser_init_statement): Likewise.
84 (cp_parser_decomposition_declaration): Likewise.
85 (cp_parser_function_specifier_opt): Likewise.
86 (cp_parser_static_assert): Likewise.
87 (cp_parser_simple_type_specifier): Likewise.
88 (cp_parser_namespace_definition): Likewise.
89 (cp_parser_using_declaration): Likewise.
90 (cp_parser_ctor_initializer_opt_and_function_body): Likewise.
91 (cp_parser_initializer_list): Likewise.
92 (cp_parser_type_parameter_key): Likewise.
93 (cp_parser_member_declaration): Likewise.
94 (cp_parser_try_block): Likewise.
95 (cp_parser_std_attribute_spec): Likewise.
96 (cp_parser_requires_clause_opt): Likewise.
97 * pt.c (check_template_variable): Likewise.
98 (check_default_tmpl_args): Likewise.
99 (push_tinst_level_loc): Likewise.
100 (instantiate_pending_templates): Likewise.
101 (invalid_nontype_parm_type_p): Likewise.
102 * repo.c (get_base_filename): Likewise.
103 * rtti.c (typeid_ok_p): Likewise.
104 (build_dynamic_cast_1): Likewise.
105 * tree.c (maybe_warn_parm_abi): Likewise.
107 2019-03-08 Jakub Jelinek <jakub@redhat.com>
110 * parser.c (cp_parser_template_declaration_after_parameters): Avoid
111 one space before " at the end of line and another after " on another
112 line in a string literal.
114 PR tree-optimization/89550
115 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
116 warning_at returned true.
117 * decl2.c (c_parse_final_cleanups): Likewise.
118 * typeck.c (convert_for_assignment): Likewise.
119 * decl.c (finish_function): Likewise.
122 * parser.c (cp_parser_asm_definition): Just warn instead of error
123 on volatile qualifier outside of function body.
126 * constexpr.c (potential_constant_expression_1): Reject
127 REINTERPRET_CAST_P NOP_EXPRs.
130 * call.c (joust): Call print_z_candidate only if pedwarn returned
133 2019-03-07 Jason Merrill <jason@redhat.com>
135 PR c++/88123 - lambda and using-directive.
136 * name-lookup.c (op_unqualified_lookup)
137 (maybe_save_operator_binding, discard_operator_bindings)
138 (push_operator_bindings): New.
139 * typeck.c (build_x_binary_op, build_x_unary_op): Call
140 maybe_save_operator_binding.
141 * decl.c (start_preparsed_function): Call push_operator_bindings.
142 * tree.c (cp_free_lang_data): Call discard_operator_bindings.
144 PR c++/88820 - ICE with CTAD and member template used in DMI.
145 * pt.c (do_class_deduction): Handle parm used as its own arg.
147 2019-03-07 Jakub Jelinek <jakub@redhat.com>
150 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even
151 at toplevel, but diagnose them.
153 2019-03-06 Jason Merrill <jason@redhat.com>
155 PR c++/89381 - implicit copy and using-declaration.
156 * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
157 op= brought in by a using-declaration.
159 2019-03-06 Jakub Jelinek <jakub@redhat.com>
162 * init.c (build_value_init_noctor): Ignore flexible array members.
164 2019-03-06 Jason Merrill <jason@redhat.com>
166 PR c++/89576 - if constexpr of lambda capture.
167 * semantics.c (maybe_convert_cond): Do convert a non-dependent
168 condition in a template.
169 * typeck.c (condition_conversion): Handle being called in a
172 2019-03-06 Marek Polacek <polacek@redhat.com>
174 PR c++/87378 - bogus -Wredundant-move warning.
175 * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
176 overload resolution would actually succeed.
178 2019-03-05 Jason Merrill <jason@redhat.com>
180 * class.c (is_really_empty_class): Add ignore_vptr parm.
181 (trivial_default_constructor_is_constexpr): Pass it.
182 * call.c (build_over_call): Pass it.
183 * constexpr.c (cxx_eval_constant_expression): Pass it instead of
184 checking TYPE_POLYMORPHIC_P.
185 (cxx_eval_component_reference, potential_constant_expression_1):
187 * cp-gimplify.c (simple_empty_class_p): Pass it.
188 * init.c (expand_aggr_init_1): Pass it.
190 2019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
193 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
195 2019-03-04 Jakub Jelinek <jakub@redhat.com>
198 * call.c (field_in_pset): New function.
199 (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
201 2019-03-02 Jakub Jelinek <jakub@redhat.com>
204 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
205 * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
206 caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
207 (cp_parser_initializer_list): Add designated parameter, set *designated
208 to a bool whether any designators were parsed.
209 * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
211 * pt.c (tsubst_copy_and_build): Likewise.
212 * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
213 don't call build_list_conv, nor build_complex_conv, nor attempt to
214 convert a single element initializer to scalar.
216 2019-03-01 Marek Polacek <polacek@redhat.com>
218 PR c++/89537 - missing location for error with non-static member fn.
219 * call.c (resolve_args): Use EXPR_LOCATION.
220 * typeck.c (build_class_member_access_expr): Use input_location.
222 PR c++/89532 - ICE with incomplete type in decltype.
223 * semantics.c (finish_compound_literal): Return error_mark_node
224 if digest_init_flags returns error_mark_node.
226 2019-03-01 Jakub Jelinek <jakub@redhat.com>
228 Implement P1002R1, Try-catch blocks in constexpr functions
230 * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
231 Diagnose constexpr ctor or function with function-try-block with
232 pedwarn for c++17 and earlier. Formatting fix.
233 (cp_parser_try_block): Use pedwarn instead of error and only for
234 c++17 and earlier when try block appears in constexpr function.
235 * constexpr.c (build_constexpr_constructor_member_initializers):
236 Handle TRY_BLOCK here instead of erroring on it.
238 2019-02-28 Jason Merrill <jason@redhat.com>
240 PR c++/88183 - ICE with .* fold-expression.
241 * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
243 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
244 * class.c, lambda.c, pt.c: Revert earlier change.
245 * lambda.c (add_capture): Don't special-case capture of dependent
248 * name-lookup.c (print_binding_level): Print this_entity.
250 2019-02-27 Marek Polacek <polacek@redhat.com>
252 PR c++/88857 - ICE with value-initialization of argument in template.
253 * call.c (convert_like_real): Don't call build_value_init in template.
255 2019-02-27 Jason Merrill <jason@redhat.com>
257 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
258 * semantics.c (process_outer_var_ref): Do capture dependent vars.
259 * class.c (finish_struct): Only add TAG_DEFN if T is in
260 current_function_decl.
261 * lambda.c (vla_capture_type): Force the capture type out into the
262 lambda's enclosing function.
263 (add_capture): Pass in the lambda.
264 * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
266 2019-02-27 Marek Polacek <polacek@redhat.com>
268 PR c++/89511 - ICE with using-declaration and unscoped enumerator.
269 * parser.c (cp_parser_using_declaration): For an unscoped enum
270 only use its context if it's not a function declaration.
272 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
275 * method.c (process_subob_fn): When maybe_instantiate_noexcept
276 returns false don't call merge_exception_specifiers.
278 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
281 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
282 for a non-constant parsed expression.
284 2019-02-26 Jakub Jelinek <jakub@redhat.com>
287 * constexpr.c (cxx_eval_store_expression): When changing active union
288 member, set no_zero_init.
290 2019-02-23 Marek Polacek <polacek@redhat.com>
292 PR c++/88294 - ICE with non-constant noexcept-specifier.
293 * pt.c (maybe_instantiate_noexcept): Set up the list of local
294 specializations. Set current_class_{ptr,ref}.
296 2019-02-22 David Malcolm <dmalcolm@redhat.com>
299 * parser.c (cp_parser_unqualified_id): Capture and use locations
302 2019-02-22 Marek Polacek <polacek@redhat.com>
304 PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
305 * decl.c (build_explicit_specifier): Don't check
306 processing_template_decl. Call instantiation_dependent_expression_p
307 instead of value_dependent_expression_p. Call
308 instantiate_non_dependent_expr_sfinae before
309 build_converted_constant_expr instead of calling
310 instantiate_non_dependent_expr after it. Add
311 processing_template_decl_sentinel.
313 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
315 * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
316 parameter, move loc formal parameter to the front. Adjust all
318 (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
321 2019-02-21 Jason Merrill <jason@redhat.com>
323 PR c++/87685 - generic lambda 'this' capture error.
324 * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
325 (maybe_generic_this_capture): Pass -1.
327 PR c++/88394 - ICE with VLA init-capture.
328 * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
330 PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
331 * pt.c (do_class_deduction): Don't include explicit specialization
334 PR c++/89422 - ICE with -g and lambda in default arg in template.
335 * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
337 2019-02-21 Jason Merrill <jason@redhat.com>
339 PR c++/88419 - C++17 ICE with class template arg deduction.
340 * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
341 CLASS_PLACEHOLDER_TEMPLATE.
343 2019-02-21 Jakub Jelinek <jakub@redhat.com>
346 * constexpr.c (struct constexpr_fundef): Add parms and result members.
347 (retrieve_constexpr_fundef): Adjust for the above change.
348 (register_constexpr_fundef): Save constexpr body with copy_fn,
349 temporarily set DECL_CONTEXT on DECL_RESULT before that.
350 (get_fundef_copy): Change FUN argument to FUNDEF with
351 constexpr_fundef * type, grab body and parms/result out of
352 constexpr_fundef struct and temporarily change it for copy_fn calls
354 (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
355 adjust current_function_decl from ctx->call context. Test
356 !potential_constant_expression instead of !is_constant_expression.
357 (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
358 convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
359 (cxx_eval_call_expression): Adjust get_fundef_copy caller.
360 (cxx_eval_conditional_expression): For IF_STMT, allow then or else
362 (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
363 (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
364 (cxx_eval_switch_expr): Add support for SWITCH_STMT.
365 (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
366 DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
367 For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
368 DECL_EXPR with USING_DECL operand.
369 * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
370 build_int_cst to make it a valid constant expression.
372 2019-02-20 Jason Merrill <jason@redhat.com>
374 PR c++/88690 - C++17 ICE with empty base in aggregate.
375 * typeck2.c (process_init_constructor_record): Skip trivial
376 initialization of an empty base.
378 2019-02-21 Richard Biener <rguenther@suse.de>
381 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
382 make symtab process new functions here.
384 2019-02-20 Jason Merrill <jason@redhat.com>
386 PR c++/87921 - wrong error with inline static data member.
387 * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
388 for a non-template inline variable. Do nothing for an
389 already-instantiated variable.
390 (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
392 * decl.c (check_initializer): Likewise.
393 (make_rtl_for_nonlocal_decl): Likewise.
394 * pt.c (instantiate_decl): Likewise.
395 * typeck2.c (store_init_value): Likewise.
397 2019-02-20 Jakub Jelinek <jakub@redhat.com>
400 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
401 for flag_syntax_only from here...
402 * semantics.c (expand_or_defer_fn_1): ... here.
405 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
406 DECL_COMMON, set DECL_INTERFACE_KNOWN.
409 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
410 union member for -std=c++17 and earlier.
412 2019-02-19 Jason Merrill <jason@redhat.com>
414 PR c++/87513 - 'sorry' mangling PMF template-id.
415 * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
417 2019-02-19 Jason Merrill <jason@redhat.com>
419 PR c++/88380 - wrong-code with flexible array and NSDMI.
420 * typeck2.c (process_init_constructor_record): Skip flexarrays.
422 2019-02-20 will wray <wjwray@gmail.com>
424 PR c++/88572 - wrong handling of braces on scalar init.
425 * decl.c (reshape_init_r): Allow braces around scalar initializer
426 within aggregate init. Reject double braced-init of scalar
429 2019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
432 * pt.c (tsubst_init): Diagnose an initializer expanding to an
433 empty list of expressions; tweak wrt dependent types.
434 (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
435 instead of tsubst_expr.
437 2019-02-19 Jason Merrill <jason@redhat.com>
439 PR c++/88368 - wrong 'use of deleted function'
440 * method.c (walk_field_subobs): Remember errors from get_nsdmi.
441 (get_defaulted_eh_spec): Call push_tinst_level.
442 * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
443 * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
445 2019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
448 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
449 clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
451 2019-02-19 Jakub Jelinek <jakub@redhat.com>
454 * lambda.c (maybe_generic_this_capture): Don't check
455 DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
458 * typeck.c (build_reinterpret_cast_1): Don't handle void to
459 && conversion go through build_target_expr_with_type.
462 * error.c (qualified_name_lookup_error): Only call
463 suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
465 2019-02-19 Tom Honermann <tom@honermann.net>
467 * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
469 2019-02-18 Jason Merrill <jason@redhat.com>
471 PR c++/89336 - multiple stores in constexpr stmt.
472 * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
475 * pt.c (check_explicit_specialization): If the declarator is a
476 template-id, only check whether the arguments are dependent.
478 Improve duplicate [[likely]] diagnostic.
479 * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
480 to process_stmt_hotness_attribute.
481 * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
482 (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
484 2019-02-17 Marek Polacek <polacek@redhat.com>
486 PR c++/89217 - ICE with list-initialization in range-based for loop.
487 * constexpr.c (unshare_constructor): No longer static.
488 * cp-tree.h (unshare_constructor): Declare.
489 * semantics.c (finish_compound_literal): When dealing with a
490 non-dependent expression in a template, return the original
491 expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
493 2019-02-13 Marek Polacek <polacek@redhat.com>
495 PR c++/89297 - ICE with OVERLOAD in template.
496 * semantics.c (finish_compound_literal): Call
497 instantiate_non_dependent_expr_sfinae.
499 2019-02-13 Alexandre Oliva <aoliva@redhat.com>
502 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
503 * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
504 * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
505 (shared_member_p): Likewise.
506 (lookup_member): Likewise.
507 * decl.c (grok_special_member_properties): Skip USING_DECLs.
508 * semantics.c (finish_omp_declare_simd_methods): Likewise.
509 (finish_qualified_id_expr): Do not call shared_member_p with
513 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
514 Move cp_evaluated resetting before signature tsubsting.
515 (gen_elem_of_pack_expansion_instantiation): Separate local
516 specializations per index.
518 2019-02-13 David Malcolm <dmalcolm@redhat.com>
521 * class.c (add_method): Drop destructor assertion.
523 2019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
526 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
527 context (the first argument).
528 * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
531 2019-02-12 Jason Merrill <jason@redhat.com>
533 PR c++/89144 - link error with constexpr initializer_list.
534 * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
535 array for an empty list.
536 * typeck2.c (store_init_value): Don't use cxx_constant_init in a
539 2019-02-11 Jason Merrill <jason@redhat.com>
541 PR c++/89241 - ICE with __func__ in lambda in template.
542 * pt.c (enclosing_instantiation_of): Also check
543 instantiated_lambda_fn_p for the template context.
545 2019-02-11 Marek Polacek <polacek@redhat.com>
547 PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
548 * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
549 null member pointer value.
551 2019-02-11 Jakub Jelinek <jakub@redhat.com>
554 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
555 to maybe_constant_value calls.
557 2019-02-11 Marek Polacek <polacek@redhat.com>
559 * typeck2.c (digest_init_r): Remove commented code.
561 2019-02-11 Martin Sebor <msebor@redhat.com>
564 * decl.c (compute_array_index_type_loc): Preserve signed sizes
565 for diagnostics. Call valid_array_size_p instead of error.
566 * init.c (build_new_1): Compute size for diagnostic. Call
567 invalid_array_size_error
568 (build_new): Call valid_array_size_p instead of error.
570 2019-02-07 Alexandre Oliva <aoliva@redhat.com>
573 * call.c (compare_ics): Deal with ck_aggr in either cs.
575 2019-02-06 David Malcolm <dmalcolm@redhat.com>
578 * call.c (get_location_for_expr_unwinding_for_system_header): New
580 (conversion_null_warnings): Use it when getting locations for
581 EXPR, effectively adding a call to
582 get_location_for_expr_unwinding_for_system_header for
583 -Wconversion-null and making use of EXPR_LOCATION for
584 -Wzero-as-null-pointer-constant.
586 2019-02-05 Jakub Jelinek <jakub@redhat.com>
589 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
590 PARM_DECLs of the thunk.
591 * lambda.c (maybe_add_lambda_conv_op): Likewise.
593 2019-02-05 Marek Polacek <polacek@redhat.com>
595 PR c++/89158 - by-value capture of constexpr variable broken.
596 * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
597 instead of mark_rvalue_use.
599 2019-02-05 Alexandre Oliva <aoliva@redhat.com>
602 * pt.c (instantiates_primary_template_p): New.
603 (type_dependent_expression_p): Use it.
605 2019-02-01 Jason Merrill <jason@redhat.com>
607 PR c++/88761 - ICE with reference capture of constant.
608 * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
611 2019-02-01 Marek Polacek <polacek@redhat.com>
613 PR c++/88325 - ICE with invalid out-of-line template member definition.
614 * parser.c (cp_parser_class_name): Don't call make_typename_type
617 2019-02-01 Jakub Jelinek <jakub@redhat.com>
620 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
621 if require_open failed.
623 2019-01-31 Marek Polacek <polacek@redhat.com>
625 PR c++/89083, c++/80864 - ICE with list initialization in template.
626 * constexpr.c (adjust_temp_type): Use copy_node and change the type
627 instead of using build_constructor.
628 * decl.c (reshape_init_r): Don't reshape a digested initializer.
629 Return the initializer for COMPOUND_LITERAL_P.
631 PR c++/88983 - ICE with switch in constexpr function.
632 * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
633 (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
634 label in the else branch if we found it in the then branch.
636 2019-01-30 Jason Merrill <jason@redhat.com>
638 PR c++/88752 - ICE with lambda and constexpr if.
639 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
640 * pt.c (tsubst_lambda_expr): Set it.
641 (instantiated_lambda_fn_p): Check it.
642 (enclosing_instantiation_of): Use it.
644 2019-01-31 Jakub Jelinek <jakub@redhat.com>
647 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
648 a C cast in pp_c_flag_gnu_v3 mode.
650 2019-01-30 Jakub Jelinek <jakub@redhat.com>
653 * lambda.c (is_capture_proxy): Don't return true for
654 DECL_OMP_PRIVATIZED_MEMBER artificial vars.
656 2019-01-30 Marek Polacek <polacek@redhat.com>
658 PR c++/89119 - ICE with value-initialization in template.
659 * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
661 2019-01-29 Jason Merrill <jason@redhat.com>
663 PR c++/86943 - wrong code converting lambda to function pointer.
664 * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
665 call. Only forward parms for decltype.
666 * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
668 * typeck.c (check_return_expr): Don't mess with a thunk call.
670 2019-01-28 Jason Merrill <jason@redhat.com>
672 PR c++/89089 - ICE with [[no_unique_address]].
673 PR c++/88865 - wrong layout with [[no_unique_address]].
674 * class.c (check_field_decls): A potentially-overlapping field makes
675 the class non-layout-POD, but not non-empty.
676 (end_of_class): Always consider empty data members.
677 (layout_class_type): Set DECL_SIZE for empty fields.
679 2019-01-28 Marek Polacek <polacek@redhat.com>
681 PR c++/88358 - name wrongly treated as type.
682 * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
683 in parameter-list is a type if the function's declarator-id is not
686 2019-01-27 Marek Polacek <polacek@redhat.com>
688 PR c++/88815 - narrowing conversion lost in decltype.
689 PR c++/78244 - narrowing conversion in template not detected.
690 * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
691 * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
692 CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
693 * semantics.c (finish_compound_literal): When the compound literal
694 isn't instantiation-dependent and the type isn't type-dependent,
695 fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
697 PR c++/89024 - ICE with incomplete enum type.
698 * call.c (standard_conversion): When converting an
699 ARITHMETIC_TYPE_P to an incomplete type, return NULL.
701 2019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
704 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
705 * decl2.c (coerce_delete_type): Use build_pointer_type instead
708 2019-01-24 Jason Merrill <jason@redhat.com>
710 PR c++/89001 - mangling of reference temporaries
711 * cp-tree.h (struct saved_scope): Add ref_temp_count.
712 (current_ref_temp_count): New macro.
713 * mangle.c (mangle_ref_init_variable): Use it.
714 * typeck2.c (store_init_value): Clear it.
715 * call.c (make_temporary_var_for_ref_to_temp): Copy public and
718 2019-01-24 Jakub Jelinek <jakub@redhat.com>
721 * semantics.c (finish_omp_cancel): Diagnose more than one if
722 on #pragma omp cancel with different modifiers. Use
723 maybe_convert_cond when not in template or build_x_binary_op
726 2019-01-23 Marek Polacek <polacek@redhat.com>
728 PR c++/88757 - qualified name treated wrongly as type.
729 * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
730 in parameter-list as types if name lookup for declarator-id didn't
731 find one or more function templates.
733 2019-01-23 Jakub Jelinek <jakub@redhat.com>
736 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
737 after genericizing cond and incr expressions.
740 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
741 before the begin_bc_block call.
743 2019-01-21 Jason Merrill <jason@redhat.com>
745 PR c++/87893 - constexpr ctor ICE on ARM.
746 PR c++/88293 - ICE with comma expression.
747 * constexpr.c (initialized_type): Don't shortcut non-void type.
748 Handle COMPOUND_EXPR.
749 (cxx_eval_outermost_constant_expr): Return early for void type.
751 2019-01-21 Jakub Jelinek <jakub@redhat.com>
754 * optimize.c (cxx_copy_decl): New function.
755 (clone_body): Use it instead of copy_decl_no_change.
758 * typeck.c (cp_build_binary_op): Don't instrument
759 SANITIZE_POINTER_COMPARE if processing_template_decl.
760 (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
762 2019-01-18 Jason Merrill <jason@redhat.com>
764 PR c++/88875 - error with explicit list constructor.
765 * call.c (reference_binding): Don't modify EXPR. Set
766 need_temporary_p on the ck_user conversion for a temporary.
767 (convert_like_real): Check it.
769 2019-01-18 H.J. Lu <hongjiu.lu@intel.com>
773 * call.c (convert_for_arg_passing): Upate the
774 warn_for_address_or_pointer_of_packed_member call.
775 * typeck.c (convert_for_assignment): Likewise.
777 2019-01-17 Jason Merrill <jason@redhat.com>
779 PR c++/86205 - ICE with ?: of throw and template-id.
780 * pt.c (resolve_nondeduced_context_or_error): Split out from...
781 * typeck.c (decay_conversion): ...here.
782 * call.c (build_conditional_expr_1): Use it.
784 PR c++/86740, ICE with constexpr if and nested generic lambdas.
785 * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
787 2019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
789 * decl.c (grokdeclarator): Use typespec_loc in error messages
790 about 'auto' and trailing return type.
792 2019-01-17 David Malcolm <dmalcolm@redhat.com>
795 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
798 2019-01-17 Nathan Sidwell <nathan@acm.org>
801 * semantics.c (process_outer_var_ref): Only skip dependent types
804 2019-01-17 Alexandre Oliva <aoliva@redhat.com>
807 * cp-tree.h (saved_scope): Add suppress_location_wrappers.
808 * name-lookup.c (do_push_to_top_level): Save and reset it.
809 (do_pop_from_top_level): Restore it.
812 * pt.c (make_template_placeholder): Use auto_identifier.
813 (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
814 * error.c (dump_type): Handle template placeholders.
815 * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
818 * cvt.c (convert_to_void): Handle all cdtor calls as if
821 2019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
823 * decl.c (grokdeclarator): Use locations[ds_storage_class] in
824 error messages about ill-formed uses of mutable.
826 2019-01-16 Marek Polacek <polacek@redhat.com>
828 PR c++/78244 - narrowing conversion in template not detected.
829 * call.c (perform_implicit_conversion_flags): Set
830 IMPLICIT_CONV_EXPR_BRACED_INIT.
831 * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
832 * pt.c (tsubst_copy_and_build): Use it.
834 2019-01-15 David Malcolm <dmalcolm@redhat.com>
837 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
840 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
842 * decl.c (start_decl): Improve error location.
843 * decl2.c (grokfield): Likewise.
845 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
847 * decl.c (grokdeclarator): Move further up the location_t loc
848 declaration and use the location when building a TYPE_DECL for
850 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
851 about an ill-formed bit-field as typedef.
853 2019-01-14 Marek Polacek <polacek@redhat.com>
855 PR c++/88830 - ICE with abstract class.
856 * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
859 PR c++/88825 - ICE with bogus function return type deduction.
860 * typeck.c (can_do_nrvo_p): Check error_mark_node.
862 2019-01-14 Tom Honermann <tom@honermann.net>
864 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
865 * cvt.c (type_promotes_to): Handle char8_t promotion.
866 * decl.c (grokdeclarator): Handle invalid type specifier
867 combinations involving char8_t.
868 * lex.c (init_reswords): Add char8_t as a reserved word.
869 * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
870 * parser.c (cp_keyword_starts_decl_specifier_p)
871 (cp_parser_simple_type_specifier): Recognize char8_t as a simple
873 (cp_parser_string_literal): Use char8_array_type_node for the type
875 (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
877 * rtti.c (emit_support_tinfos): type_info support for char8_t.
878 * tree.c (char_type_p): Recognize char8_t as a character type.
879 * typeck.c (string_conv_p): Handle conversions of u8 string
880 literals of char8_t type.
881 (check_literal_operator_args): Handle UDLs with u8 string literals
883 * typeck2.c (ordinary_char_type_p): New.
884 (digest_init_r): Disallow initializing a char array with a u8 string
887 2019-01-14 Martin Liska <mliska@suse.cz>
889 PR gcov-profile/88263
890 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
891 as location of the TLS wrapper.
893 2019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
895 * decl.c (cp_finish_decl): Improve error location.
896 * decl2.c (grokfield): Likewise, improve two locations.
898 2019-01-11 Marek Polacek <polacek@redhat.com>
900 PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
901 * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
904 2019-01-11 Jason Merrill <jason@redhat.com>
906 PR c++/88312 - pack expansion of decltype.
907 * pt.c (instantiation_dependent_r): A template non-type parameter
908 pack is instantiation-dependent.
910 2019-01-11 Jason Merrill <jason@redhat.com>
912 PR c++/88613 - ICE with use of const var in lambda.
913 * expr.c (mark_use): Fix location wrapper handling.
914 * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
916 2019-01-11 Tobias Burnus <burnus@net-b.de>
919 * decl2.c (maybe_emit_vtables): If needed, generate code for
920 the destructor of an abstract class.
921 (mark_used): Update comment for older function-name change.
923 2019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
925 * decl.c (start_decl): Improve error location.
926 (grokdeclarator): Likewise, improve two locations.
928 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
932 * cp-tree.h: Mechanically replace "can not" with "cannot".
933 * parser.c: Likewise.
936 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
938 * decl.c (grok_reference_init): Improve error location.
939 (grokdeclarator): Likewise, improve two locations.
941 2019-01-08 Marek Polacek <polacek@redhat.com>
943 PR c++/88538 - braced-init-list in template-argument-list.
944 * parser.c (cp_parser_template_argument): Handle braced-init-list when
947 PR c++/88548 - this accepted in static member functions.
948 * parser.c (cp_debug_parser): Adjust printing of
949 local_variables_forbidden_p.
950 (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
951 (cp_parser_primary_expression): When checking
952 local_variables_forbidden_p, use THIS_FORBIDDEN or
953 LOCAL_VARS_FORBIDDEN.
954 (cp_parser_lambda_body): Update the type of
955 local_variables_forbidden_p. Set it to 0 rather than false.
956 (cp_parser_condition): Adjust call to cp_parser_declarator.
957 (cp_parser_explicit_instantiation): Likewise.
958 (cp_parser_init_declarator): Likewise.
959 (cp_parser_declarator): New parameter. Use it.
960 (cp_parser_direct_declarator): New parameter. Use it to set
961 local_variables_forbidden_p. Adjust call to cp_parser_declarator.
962 (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
963 (cp_parser_parameter_declaration): Likewise.
964 (cp_parser_default_argument): Update the type of
965 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
967 (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
968 'static' or 'friend'.
969 (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
970 (cp_parser_late_parsing_default_args): Update the type of
971 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
973 (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
974 (cp_parser_objc_class_ivars): Likewise.
975 (cp_parser_objc_struct_declaration): Likewise.
976 (cp_parser_omp_for_loop_init): Likewise.
977 * parser.h (cp_parser): Change the type of local_variables_forbidden_p
979 (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
982 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
984 * decl.c (start_decl): Improve permerror location.
986 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
987 Jakub Jelinek <jakub@redhat.com>
990 * decl.c (finish_function): For -Wreturn-type don't add a return *this;
991 fixit hint if current_class_ref is NULL. Use a single if instead of
994 2019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
996 * decl.c (start_decl): Improve two error_at locations.
997 (expand_static_init): Likewise.
999 2019-01-07 Marek Polacek <polacek@redhat.com>
1001 PR c++/88741 - wrong error with initializer-string.
1002 * decl.c (cp_complete_array_type): Strip any location wrappers.
1004 2019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
1010 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
1011 * typeck2.c (digest_init_r): Raise an error for non-static
1012 initialization of a flexible array member.
1013 (process_init_constructor, massage_init_elt,
1014 process_init_constructor_array, process_init_constructor_record,
1015 process_init_constructor_union, process_init_constructor): Add the
1016 flags parameter and pass it thru.
1017 (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
1018 digest_init_flags for static decls.
1020 2019-01-07 Jakub Jelinek <jakub@redhat.com>
1023 * cp-tree.h (cp_build_vec_convert): Declare.
1024 * parser.c (cp_parser_postfix_expression): Parse
1025 __builtin_convertvector.
1026 * constexpr.c: Include fold-const-call.h.
1027 (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
1028 (potential_constant_expression_1): Likewise.
1029 * semantics.c (cp_build_vec_convert): New function.
1030 * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
1033 2019-01-03 Jakub Jelinek <jakub@redhat.com>
1036 * decl.c (builtin_function_1): Return result of pushdecl_top_level
1037 or pushdecl rather than decl.
1039 2019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
1041 * tree.c (handle_nodiscard_attribute): Improve warning location.
1043 2019-01-02 Marek Polacek <polacek@redhat.com>
1045 PR c++/88612 - ICE with -Waddress-of-packed-member.
1046 * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
1047 * typeck.c (convert_for_assignment): Likewise.
1049 PR c++/88631 - CTAD failing for value-initialization.
1050 * typeck2.c (build_functional_cast): Try deducing the template
1051 arguments even if there are no arguments to deduce from.
1053 2019-01-01 Jakub Jelinek <jakub@redhat.com>
1055 Update copyright years.
1057 Copyright (C) 2019 Free Software Foundation, Inc.
1059 Copying and distribution of this file, with or without modification,
1060 are permitted in any medium without royalty provided the copyright
1061 notice and this notice are preserved.