1 2018-10-09 Paolo Carlini <paolo.carlini@oracle.com>
4 * pt.c (convert_template_argument): Immediately return error_mark_node
5 if the second argument is erroneous.
6 * parser.c (cp_parser_type_id): Add location_t * parameter.
7 (cp_parser_type_id_1): Likewise.
8 (cp_parser_alias_declaration): Adjust cp_parser_type_id call,
9 obtain the location of the type and save it.
10 (cp_parser_template_type_arg): Adjust.
11 (cp_parser_trailing_type_id): Likewise.
12 * decl.c (grokdeclarator): Improve error message for 'auto' in
15 2018-10-08 Paolo Carlini <paolo.carlini@oracle.com>
18 * pt.c (do_decl_instantiation): Per 12.6.8/5, a concept cannot be
19 explicitly instantiated.
21 2018-10-05 David Malcolm <dmalcolm@redhat.com>
24 * call.c (build_over_call): Build a vec of locations of the
25 arguments before the call to maybe_constant_value, and pass to
26 check_function_arguments.
27 * cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
28 c_get_substring_location.
29 * parser.c (cp_parser_string_literal): Capture string
30 concatenation locations.
32 2018-10-04 Nathan Sidwell <nathan@acm.org>
34 * lang-specs.h: Use string contatenation, not line splicing.
36 2018-10-03 Jason Merrill <jason@redhat.com>
38 Implement P0840, language support for empty objects.
39 * tree.c (handle_no_unique_addr_attribute): New.
40 (cxx_attribute_table): Add [[no_unique_address]].
41 * class.c (field_poverlapping_p): New.
42 (layout_class_type): Check it. Adjust DECL_SIZE of potentially
44 (layout_empty_base_or_field): Rename from layout_empty_base, handle
46 (build_base_field, record_subobject_offsets): Adjust.
48 2018-10-03 Martin Liska <mliska@suse.cz>
51 * parser.c (cp_parser_lambda_declarator_opt):
52 Set DECL_LAMBDA_FUNCTION for lambdas.
54 2018-10-02 Richard Biener <rguenther@suse.de>
56 * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
58 2018-09-28 Eric Botcazou <ebotcazou@adacore.com>
59 Pierre-Marie de Rodat <derodat@adacore.com>
61 * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
63 2018-09-28 Richard Biener <rguenther@suse.de>
65 * error.c (cp_print_error_function): Simplify by eliding
66 the BLOCK_ABSTRACT_ORIGIN chasing.
68 2018-09-27 Paolo Carlini <paolo.carlini@oracle.com>
71 * semantics.c (finish_unary_op_expr): Check return value of
72 build_x_unary_op for error_mark_node.
74 2018-09-25 Jakub Jelinek <jakub@redhat.com>
77 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
78 look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
80 2018-09-25 Martin Liska <mliska@suse.cz>
82 * name-lookup.c (namespace_scope_ht_size): Remove
84 * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
86 2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
89 * method.c (lazily_declare_fn): During error-recovery add_method
92 2018-09-21 Marek Polacek <polacek@redhat.com>
94 PR c++/87372 - __func__ constexpr evaluation.
95 * constexpr.c (maybe_constant_init_1): Pass false for strict down to
96 cxx_eval_outermost_constant_expr.
98 2018-09-20 Marek Polacek <polacek@redhat.com>
100 PR c++/87109 - wrong ctor with maybe-rvalue semantics.
101 * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
102 check to only return if we're converting the return value to a base
105 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
107 * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
109 2018-09-20 Jason Merrill <jason@redhat.com>
111 PR c++/87075 - ICE with constexpr array initialization.
112 * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
114 2018-09-19 Marek Polacek <polacek@redhat.com>
116 Add -Wclass-conversion.
117 * decl.c (grok_op_properties): Change a warning from -Wconversion to
118 -Wclass-conversion. Make it print the types.
120 2018-09-19 Paolo Carlini <paolo.carlini@oracle.com>
123 * parser.c (cp_parser_initializer_list): Assign error_mark_node
124 to the index upon error.
126 2018-09-19 Marek Polacek <polacek@redhat.com>
128 PR c++/87357 - missing -Wconversion warning
129 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
130 a conversion to a reference to void. Use
131 same_type_ignoring_top_level_qualifiers_p rather than comparing types
134 2018-09-18 Marek Polacek <polacek@redhat.com>
136 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
137 * call.c (build_over_call): No longer check if we're outside a template
139 * class.c (build_vtbl_initializer): Build vtable's constructor with
141 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
142 initializer. Handle OBJ_TYPE_REF.
143 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
144 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
145 (initialize_artificial_var): Mark the variable as constexpr.
146 (grokdeclarator): Change error to pedwarn. Only warn when
147 pedantic and not C++2a.
149 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
152 * cp-tree.h (NON_ERROR): New.
153 * pt.c (auto_hash::hash): Use it.
154 (do_auto_deduction): Likewise.
156 2018-09-18 Nathan Sidwell <nathan@acm.org>
159 * name-lookup.c (check_local_shadow): Ignore auto types.
161 2018-09-17 David Malcolm <dmalcolm@redhat.com>
163 * error.c (range_label_for_type_mismatch::get_text): Update for
166 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
168 * typeck2.c (digest_init_r): Fix overlength strings.
170 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
173 * method.c (constructible_expr): We're in an unevaluated context
174 in all cases, not just for class targets.
176 2018-09-12 David Malcolm <dmalcolm@redhat.com>
179 * call.c (struct conversion_info): Add "loc" field.
180 (arg_conversion_rejection): Add "loc" param, using it to
181 initialize the new field.
182 (bad_arg_conversion_rejection): Likewise.
183 (explicit_conversion_rejection): Initialize the new field to
185 (template_conversion_rejection): Likewise.
186 (add_function_candidate): Pass on the argument location to the new
187 param of arg_conversion_rejection.
188 (add_conv_candidate): Likewise.
189 (build_builtin_candidate): Likewise.
190 (build_user_type_conversion_1): Likewise.
191 (single_z_candidate): New function.
192 (maybe_get_bad_conversion_for_unmatched_call): New function.
193 (complain_about_bad_argument): New function, based on part of
194 convert_for_assignment.
195 (build_new_method_call_1): Split out handling of the "no viable
196 candidates" case into...
197 (complain_about_no_candidates_for_method_call): ...this new
198 function, and use the new functions above to special-case the
199 handling of a single non-viable candidate due to a bad argument.
200 * cp-tree.h (complain_about_bad_argument): New decl.
201 * typeck.c (convert_for_assignment): Split out one error-handling
202 case into complain_about_bad_argument.
204 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
205 Julian Brown <julian@codesourcery.com>
208 * semantics.c (finish_omp_clauses): Treat C++ references the same in
211 2018-08-28 Martin Liska <mliska@suse.cz>
213 * constexpr.c (cxx_eval_call_expression): Add quotes
214 to -fconstexpr-depth=.
216 2018-09-10 Marek Polacek <polacek@redhat.com>
218 * class.c (build_vtbl_ref): Remove.
219 (build_vtbl_ref_1): Rename to build_vtbl_ref.
220 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
222 2018-09-08 Marek Polacek <polacek@redhat.com>
224 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
225 * call.c (struct conversion): Update commentary.
226 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
229 2018-09-08 Jason Merrill <jason@redhat.com>
231 PR c++/86678 - constexpr function with non-constant after return.
232 * constexpr.c (potential_constant_expression_1): Add jump_target.
233 (breaks): Check for BREAK_STMT.
234 (continues): Check for CONTINUE_STMT.
236 2018-09-08 Marek Polacek <polacek@redhat.com>
238 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
239 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
241 2018-09-07 Marek Polacek <polacek@redhat.com>
243 PR c++/87152 - range-based for loops with initializer broken in templates.
244 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
245 Recur into RANGE_FOR_INIT_STMT.
246 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
247 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
248 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
250 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
252 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
253 Do put the init statement in RANGE_FOR_INIT_STMT.
254 (finish_range_for_decl): Pop it for templates.
256 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
258 * decl.c (check_initializer): Call cp_complete_array_type.
260 2018-09-05 Marek Polacek <polacek@redhat.com>
262 PR c++/87109, wrong overload with ref-qualifiers.
263 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
264 out if performing the maybe-rvalue overload resolution and a conversion
265 function is getting called.
267 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
268 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
269 to std::move or std::forward.
270 (is_std_forward_p): New function.
272 2018-09-05 Pádraig Brady <p@draigbrady.com>
275 * lambda.c (prune_lambda_captures): Protect against const_vars.get
278 2018-09-04 Marek Polacek <polacek@redhat.com>
280 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
281 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
282 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
284 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
285 (check_return_expr): Likewise.
287 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
290 * constraint.cc (finish_shorthand_constraint): Early return if the
291 constraint is erroneous.
293 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
295 * decl.c (eval_check_narrowing): Remove.
296 (check_initializer): Move call to braced_list_to_string from here ...
297 * typeck2.c (store_init_value): ... to here.
298 (digest_init_r): Remove handing of signed/unsigned char strings.
300 2018-08-31 Nathan Sidwell <nathan@acm.org>
304 * name-lookup.c (name_lookup::search_namespace): Don't look at
305 inlines when searching for NULL names.
307 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
308 of return types and parms.
309 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
310 '()' always means '(void)'.
312 2018-08-29 Jakub Jelinek <jakub@redhat.com>
315 * decl.c (begin_destructor_body): If current_class_type has
316 virtual bases and the primary base is nearly empty virtual base,
317 voidify clearing of vptr and make it conditional on in-charge
320 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
323 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
324 returns error_mark_node early exit the loop.
325 (cp_parser_template_introduction): Improve error-recovery, remove
326 error call about empty introduction-list.
328 2018-08-29 David Malcolm <dmalcolm@redhat.com>
331 * call.c (print_conversion_rejection): Add "fn" param and use it
332 for "no known conversion" messages to underline the pertinent
334 (print_z_candidate): Supply "fn" to the new param above.
336 2018-08-29 Jakub Jelinek <jakub@redhat.com>
339 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
340 processing_template_decl and decl is structured binding decl, call
343 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
346 * decl.c (finish_case_label): If the type is erroneous early
347 return error_mark_node.
349 2018-08-27 David Malcolm <dmalcolm@redhat.com>
352 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
355 2018-08-27 Jakub Jelinek <jakub@redhat.com>
358 * cp-tree.h (cxx_readonly_error): Add location_t argument.
359 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
360 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
361 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
362 pass LOC to it. Formatting fixes.
363 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
364 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
365 * semantics.c (finish_asm_stmt): Pass input_location to
368 2018-08-27 David Malcolm <dmalcolm@redhat.com>
371 * decl.c (grokdeclarator): Update for conversion of show_caret_p
373 * error.c (cp_printer): Likewise.
374 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
375 maybe_add_include_fixit to suggest overriding the location, as it
377 * parser.c (cp_parser_string_literal): Update for conversion of
378 show_caret_p to a tri-state.
379 (cp_parser_elaborated_type_specifier): Likewise.
380 (set_and_check_decl_spec_loc): Likewise.
381 * pt.c (listify): Update call to maybe_add_include_fixit to not
382 override the location, as it is for an error.
383 * rtti.c (typeid_ok_p): Likewise.
385 2018-08-27 Martin Liska <mliska@suse.cz>
387 * call.c (build_call_a): Use new function
388 fndecl_built_in_p and remove check for FUNCTION_DECL if
390 (build_cxx_call): Likewise.
391 * constexpr.c (constexpr_fn_retval): Likewise.
392 (cxx_eval_builtin_function_call): Likewise.
393 (cxx_eval_call_expression): Likewise.
394 (potential_constant_expression_1): Likewise.
395 * cp-gimplify.c (cp_gimplify_expr): Likewise.
397 * decl.c (decls_match): Likewise.
398 (validate_constexpr_redeclaration): Likewise.
399 (duplicate_decls): Likewise.
400 (make_rtl_for_nonlocal_decl): Likewise.
401 * name-lookup.c (consider_binding_level): Likewise.
402 (cp_emit_debug_info_for_using): Likewise.
403 * semantics.c (finish_call_expr): Likewise.
404 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
406 2018-08-26 Marek Polacek <polacek@redhat.com>
409 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
411 PR c++/87029, Implement -Wredundant-move.
412 * typeck.c (treat_lvalue_as_rvalue_p): New function.
413 (maybe_warn_pessimizing_move): Call convert_from_reference.
414 Warn about redundant moves.
416 2018-08-24 Marek Polacek <polacek@redhat.com>
420 * decl.c (grokdeclarator): Disallow functions with trailing return
421 type with decltype(auto) as its type. Also check the function if
422 it's inner declarator doesn't exist
424 2018-08-21 Marek Polacek <polacek@redhat.com>
427 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
428 lambda has a capture-default.
430 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
432 * decl.c (check_static_variable_definition): Change to return void.
434 2018-08-21 Marek Polacek <polacek@redhat.com>
436 PR c++/86981, Implement -Wpessimizing-move.
437 * typeck.c (decl_in_std_namespace_p): New.
438 (is_std_move_p): New.
439 (maybe_warn_pessimizing_move): New.
440 (can_do_nrvo_p): New, factored out of ...
441 (check_return_expr): ... here. Warn about potentially harmful
442 std::move in a return statement.
445 * call.c (standard_conversion): Set check_narrowing.
446 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
447 than comparing with INTEGER_TYPE.
449 * cp-tree.h: Fix typo.
451 2018-08-20 David Malcolm <dmalcolm@redhat.com>
454 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
456 (print_error_for_call_failure): Likewise.
457 (build_op_call_1): Likewise.
458 (build_conditional_expr_1): Likewise.
459 (build_new_op_1): Likewise.
460 (build_op_delete_call): Likewise.
461 (convert_like_real): Likewise.
462 (build_over_call): Likewise.
463 (build_new_method_call_1): Likewise.
465 * class.c (check_tag): Likewise.
466 (finish_struct_anon_r): Likewise.
467 (one_inherited_ctor): Likewise.
468 (finalize_literal_type_property): Likewise.
469 (explain_non_literal_class): Likewise.
470 (find_flexarrays): Likewise.
471 (resolve_address_of_overloaded_function): Likewise.
472 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
473 (is_valid_constexpr_fn): Likewise.
474 (cx_check_missing_mem_inits): Likewise.
475 * cp-gimplify.c (cp_genericize_r): Likewise.
476 * cvt.c (maybe_warn_nodiscard): Likewise.
477 * decl.c (warn_extern_redeclared_static): Likewise.
478 (check_redeclaration_exception_specification): Likewise.
479 (check_no_redeclaration_friend_default_args): Likewise.
480 (duplicate_decls): Likewise.
481 (redeclaration_error_message): Likewise.
482 (warn_misplaced_attr_for_class_type): Likewise.
483 * decl2.c (finish_static_data_member_decl): Likewise.
484 (no_linkage_error): Likewise.
485 (cp_warn_deprecated_use): Likewise.
486 * error.c (qualified_name_lookup_error): Likewise.
487 * friend.c (make_friend_class): Likewise.
488 (do_friend): Likewise.
489 * init.c (perform_member_init): Likewise.
490 (build_new_1): Likewise.
491 (build_vec_delete_1): Likewise.
492 (build_delete): Likewise.
493 * lex.c (unqualified_name_lookup_error): Likewise.
494 * name-lookup.c (check_extern_c_conflict): Likewise.
495 (inform_shadowed): New function.
496 (check_local_shadow): Add auto_diagnostic_group instances,
497 replacing goto "inform_shadowed" label with call to subroutine.
498 (set_local_extern_decl_linkage): Add auto_diagnostic_group
500 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
501 (cp_parser_namespace_name): Likewise.
502 * pt.c (check_specialization_namespace): Likewise.
503 (check_template_variable): Likewise.
504 (warn_spec_missing_attributes): Likewise.
505 (check_explicit_specialization): Likewise.
506 (process_partial_specialization): Likewise.
507 (lookup_template_class_1): Likewise.
508 (finish_template_variable): Likewise.
509 (do_auto_deduction): Likewise.
510 * search.c (check_final_overrider): Likewise.
511 (look_for_overrides_r): Likewise.
512 * tree.c (maybe_warn_parm_abi): Likewise.
513 * typeck.c (cxx_sizeof_expr): Likewise.
514 (cp_build_function_call_vec): Likewise.
515 (cp_build_binary_op): Likewise.
516 (convert_for_assignment): Likewise.
517 (maybe_warn_about_returning_address_of_local): Likewise.
518 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
519 (check_narrowing): Likewise.
521 2018-08-17 David Malcolm <dmalcolm@redhat.com>
523 * typeck.c (string_conv_p): Extract location from EXP and use it
524 in preference to input_location when issuing warnings.
526 2018-08-15 David Malcolm <dmalcolm@redhat.com>
528 * call.c: Include "gcc-rich-location.h".
529 (convert_like_real): Add range label for "invalid conversion"
531 (perform_implicit_conversion_flags): Add type label to the
532 "could not convert" error.
533 * error.c: Include "gcc-rich-location.h".
534 (range_label_for_type_mismatch::get_text): New function.
535 * typeck.c (convert_for_assignment): Add type label to
536 the "cannot convert" error if a location is available.
538 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
540 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
541 emit an error instead of a permerror.
543 2018-08-13 Marek Polacek <polacek@redhat.com>
546 * call.c (struct conversion): Add check_narrowing_const_only.
547 (build_converted_constant_expr): Set check_narrowing and
548 check_narrowing_const_only. Give error if expr is error node.
549 (convert_like_real): Pass it to check_narrowing.
550 * cp-tree.h (check_narrowing): Add a default parameter.
551 * decl.c (compute_array_index_type): Use input_location instead of
553 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
554 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
555 expressions. Call maybe_constant_value instead of
556 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
557 narrowing for constants if CONST_ONLY.
559 2018-08-13 Martin Sebor <msebor@redhat.com>
561 PR tree-optimization/71625
562 * decl.c (check_initializer): Call braced_list_to_string.
563 (eval_check_narrowing): New function.
564 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
565 as initilizers for all narrow character types.
567 2018-08-13 Marek Polacek <polacek@redhat.com>
569 P0806R2 - Deprecate implicit capture of this via [=]
570 * lambda.c (add_default_capture): Formatting fixes. Warn about
571 deprecated implicit capture of this via [=].
574 * decl.c (create_array_type_for_decl): Handle null name.
576 2018-08-10 Jason Merrill <jason@redhat.com>
578 PR c++/86728 - C variadic generic lambda.
579 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
580 a pack if it's followed by a declarator-id.
582 2018-08-08 Jakub Jelinek <jakub@redhat.com>
584 P0595R1 - is_constant_evaluated
585 * cp-tree.h (enum cp_built_in_function): New.
586 (maybe_constant_init): Add pretend_const_required argument.
587 * typeck2.c (store_init_value): Pass true as new argument to
589 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
590 for BUILT_IN_UNREACHABLE.
591 (struct constexpr_ctx): Add pretend_const_required field.
592 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
593 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
594 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
595 (cxx_eval_outermost_constant_expr): Add pretend_const_required
596 argument, initialize pretend_const_required field in ctx. If the
597 result is TREE_CONSTANT and non_constant_p, retry with
598 pretend_const_required false if it was true.
599 (is_sub_constant_expr): Initialize pretend_const_required_field in
601 (cxx_constant_value): Pass true as pretend_const_required to
602 cxx_eval_outermost_constant_expr.
603 (maybe_constant_value): Pass false as pretend_const_required to
604 cxx_eval_outermost_constant_expr.
605 (fold_non_dependent_expr): Likewise.
606 (maybe_constant_init_1): Add pretend_const_required argument, pass it
607 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
608 instead of false as strict to cxx_eval_outermost_constant_expr.
609 (maybe_constant_init): Add pretend_const_required argument, pass it
610 down to maybe_constant_init_1.
611 (cxx_constant_init): Pass true as pretend_const_required to
612 maybe_constant_init_1.
613 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
614 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
615 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
616 * decl.c: Include langhooks.h.
617 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
619 * tree.c (builtin_valid_in_constant_expr_p): Return true for
620 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
621 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
624 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
625 before tsubst_init, not after it.
628 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
629 NULL pointer set *non_constant_p to true.
630 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
631 set *non_constant_p to true and return t.
633 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
636 * decl.c (check_no_redeclaration_friend_default_args): New.
637 (duplicate_decls): Use the latter; also check that a friend
638 declaration specifying default arguments is a definition.
640 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
643 * name-lookup.c (check_local_shadow): Reject captures and parameters
646 2018-08-06 Marek Polacek <polacek@redhat.com>
649 * constexpr.c (cxx_eval_statement_list): Handle continue.
651 2018-08-03 David Malcolm <dmalcolm@redhat.com>
652 Jonathan Wakely <jwakely@redhat.com>
654 * decl.c: Include "gcc-rich-location.h".
655 (add_return_star_this_fixit): New function.
656 (finish_function): When warning about missing return statements in
657 functions returning non-void, add a "return *this;" fix-it hint for
658 assignment operators.
660 2018-08-03 Jason Merrill <jason@redhat.com>
663 * class.c (build_base_path): Use currently_open_class.
665 2018-08-02 David Malcolm <dmalcolm@redhat.com>
667 * error.c (cxx_print_error_function): Duplicate "file" before
668 passing it to pp_set_prefix.
669 (cp_print_error_function): Use pp_take_prefix when saving the
672 2018-08-02 Richard Biener <rguenther@suse.de>
675 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
676 to the CLASSTYPE_AS_BASE.
678 2018-08-01 Martin Sebor <msebor@redhat.com>
680 PR tree-optimization/86650
681 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
682 TREE_BLOCK (t) from within percent_K_format to this callsite.
684 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
687 * class.c (note_name_declared_in_class): Use location_of in permerror
688 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
690 2018-07-31 Tom de Vries <tdevries@suse.de>
693 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
695 2018-07-31 Jakub Jelinek <jakub@redhat.com>
697 P1008R1 - prohibit aggregates with user-declared constructors
698 * class.c (check_bases_and_members): For C++2a set
699 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
700 type_has_user_provided_or_explicit_constructor.
702 2018-07-31 Martin Liska <mliska@suse.cz>
705 * parser.c (cp_parser_condition): Initialize non_constant_p
708 2018-07-28 David Malcolm <dmalcolm@redhat.com>
710 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
711 into alphabetical order, and add missing "%G" and "%K". Within
712 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
713 cases are in alphabetical order.
715 2018-07-25 Jakub Jelinek <jakub@redhat.com>
717 * cp-tree.h (enum cp_tree_index): Add
718 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
719 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
720 (abi_tag_identifier, aligned_identifier, begin_identifier,
721 end_identifier, get__identifier, gnu_identifier,
722 tuple_element_identifier, tuple_size_identifier, type_identifier,
723 value_identifier, fun_identifier, closure_identifier): Define.
724 * decl.c (initialize_predefined_identifiers): Initialize the above
726 (get_tuple_size): Use tuple_size_identifier instead of
727 get_identifier ("tuple_size") and value_identifier instead of
728 get_identifier ("value").
729 (get_tuple_element_type): Use tuple_element_identifier instead of
730 get_identifier ("tuple_element") and type_identifier instead of
731 get_identifier ("type").
732 (get_tuple_decomp_init): Use get__identifier instead of
733 get_identifier ("get").
734 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
735 get_identifier ("_FUN").
736 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
737 instead of get_identifier ("__closure").
738 (cp_parser_std_attribute): Use gnu_identifier instead of
739 get_identifier ("gnu").
740 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
741 instead of get_identifier ("aligned").
742 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
743 abi_tag_identifier instead of get_identifier ("abi_tag").
746 * cp-tree.h (enum cp_tree_index): Add
747 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
748 (for_range__identifier, for_begin__identifier, for_end__identifier,
749 for_range_identifier, for_begin_identifier, for_end_identifier):
751 * decl.c (initialize_predefined_identifiers): Initialize
752 for_{range,begin,end}{,_}_identifier.
753 * parser.c (build_range_temp): Use for_range__identifier instead of
754 get_identifier ("__for_range").
755 (cp_convert_range_for): Use for_begin__identifier and
756 for_end__identifier instead of get_identifier ("__for_begin") and
757 get_identifier ("__for_end").
758 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
759 local symbols to "__for_{range,begin,end}".
761 2018-07-23 Jakub Jelinek <jakub@redhat.com>
764 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
765 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
766 or warn_nonnull_compare.
768 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
770 Revert fix for c++/59480 (and testsuite followup)
772 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
775 * decl.c (check_no_redeclaration_friend_default_args): New.
776 (duplicate_decls): Use the latter; also check that a friend
777 declaration specifying default arguments is a definition.
779 2018-07-18 Jakub Jelinek <jakub@redhat.com>
782 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
783 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
785 2018-07-18 Marek Polacek <polacek@redhat.com>
787 PR c++/86190 - bogus -Wsign-conversion warning
788 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
791 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
794 * decl.c (check_no_redeclaration_friend_default_args): New.
795 (duplicate_decls): Use the latter; also check that a friend
796 declaration specifying default arguments is a definition.
798 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
800 * class.c (note_name_declared_in_class): Prefer permerror + inform
801 to a pair of permerrors; use DECL_SOURCE_LOCATION.
803 2018-07-18 Richard Biener <rguenther@suse.de>
806 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
807 start_static_storage_duration_function sets current_function_decl.
809 2018-07-17 Jason Merrill <jason@redhat.com>
811 PR c++/86480 - nested variadic lambda and constexpr if.
812 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
814 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
815 cp_unevaluated_operand.
816 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
818 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
820 * class.c (resolve_address_of_overloaded_function): Don't emit an
821 inform if the matching permerror returns false.
822 * pt.c (check_specialization_namespace): Likewise.
824 2018-07-16 Jakub Jelinek <jakub@redhat.com>
828 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
829 in TREE_USED flag from stmt to h->to.
831 2018-07-13 Nathan Sidwell <nathan@acm.org>
834 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
835 contexts that are classes.
836 * parser.c (cp_parser_template_id): Combine entering_scope decl &
839 2018-07-12 Jakub Jelinek <jakub@redhat.com>
841 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
842 type here, instead add "omp declare target implicit" attribute. Add
843 that attribute instead of "omp declare target" also when
844 processing_template_decl.
845 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
846 and before calling cp_omp_mappable_type call complete_type.
848 2018-07-10 Jakub Jelinek <jakub@redhat.com>
851 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
855 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
856 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
857 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
858 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
859 TREE_LIST for both the original class iterator and the "last" helper
862 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
864 * decl.c (grokdeclarator): Use rich_location::add_range in three
865 more places; include gcc-rich-location.h.
867 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
869 * decl.c (build_enumerator): Change overflow type to overflow_type.
870 * init.c (build_new_1): Same.
872 2018-07-05 Nathan Sidwell <nathan@acm.org>
874 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
875 NO_IMPLICIT_EXTERN_C.
876 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
878 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
881 * method.c (is_trivially_xible): Return false
882 if is_xible_helper returns a NULL_TREE.
884 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
886 * decl.c (min_location): New.
887 (smallest_type_quals_location): Use the latter.
888 (check_concept_fn): Use DECL_SOURCE_LOCATION.
889 (grokdeclarator): Use accurate locations in a number of error
890 messages involving ds_thread, ds_storage_class, ds_virtual,
891 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
893 2018-07-03 Marek Polacek <polacek@redhat.com>
896 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
898 2018-07-03 Jason Merrill <jason@redhat.com>
900 PR c++/86378 - functional cast in noexcept-specifier.
901 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
903 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
905 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
906 in error message about __thread and thread_local at the same time.
908 2018-06-29 Marek Polacek <polacek@redhat.com>
911 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
913 2018-06-28 David Malcolm <dmalcolm@redhat.com>
915 * parser.c (cp_parser_error_1): After issuing a conflict marker
916 error, consume tokens until the end of the source line.
918 2018-06-28 Jason Merrill <jason@redhat.com>
920 PR c++/86342 - -Wdeprecated-copy and system headers.
921 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
924 2018-06-27 David Malcolm <dmalcolm@redhat.com>
927 * name-lookup.c (consider_binding_level): Filter out names that
928 match anon_aggrname_p.
930 2018-06-27 Jason Merrill <jason@redhat.com>
932 * name-lookup.c (do_pushtag): If we skip a class level, also skip
935 2018-06-26 Jason Merrill <jason@redhat.com>
937 PR c++/86320 - memory-hog with std::array of pair
938 * typeck2.c (process_init_constructor_array): Only compute a
939 constant initializer once.
941 PR c++/80290 - memory-hog with std::pair.
942 * pt.c (fn_type_unification): Add convs parameter.
943 (check_non_deducible_conversion): Remember conversion.
944 (check_non_deducible_conversions): New. Do checks here.
945 (type_unification_real): Not here. Remove flags parm.
946 * call.c (add_function_candidate): Make convs a parameter.
947 Don't recalculate the conversion if it's already set.
948 (add_template_candidate_real): Allocate convs here.
949 (good_conversion, conv_flags): New.
951 2018-06-26 Jakub Jelinek <jakub@redhat.com>
954 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
955 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
957 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
959 * decl.c (bad_specifiers): Add const location_t* parameter and
960 use locations in error messages about 'inline' and 'virtual'.
961 (mark_inline_variable): Add location_t parameter and use it in
962 error_at and pedwarn messages.
963 (grokdeclarator): Use declspecs->locations[ds_constexpr],
964 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
965 declspecs->locations[ds_inline] in many error messages; adjust
966 bad_specifiers and mark_inline_variable calls.
967 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
969 2018-06-22 Jason Merrill <jason@redhat.com>
971 PR c++/86219 - ICE with erroneous initializer in template.
972 * constexpr.c (fold_non_dependent_expr): Add complain parm.
973 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
975 * call.c (build_cxx_call): Don't mess with builtins in a template.
976 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
977 produce a constant value, go back to the uninstantiated form.
979 Avoid taking the address of something just because it's in parens.
980 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
981 (cxx_fold_indirect_ref): Use it.
982 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
983 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
984 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
985 static_cast to reference type.
986 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
988 2018-06-21 Jason Merrill <jason@redhat.com>
990 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
992 * name-lookup.c (do_push_to_top_level): Don't allocate
994 (do_pop_from_top_level): Release current_lang_base.
996 Let -fmem-report see callers of cxx_make_type.
997 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
998 (make_class_type): Likewise.
999 (cxx_make_type_hook): New.
1000 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
1002 2018-06-20 Nathan Sidwell <nathan@acm.org>
1005 * friend.c (add_friend): Keep lookup sets of tempate sets.
1007 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
1009 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
1010 tidy handling of a null location_t argument; use proper location
1011 information in a few additional error messages.
1012 (grokdeclarator): Update calls.
1014 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
1015 Thomas Schwinge <thomas@codesourcery.com>
1016 Cesar Philippidis <cesar@codesourcery.com>
1018 * parser.c (cp_parser_omp_clause_name): Add support for finalize
1019 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
1020 to their non-present_or_* counterparts. Make 'self' an alias to
1021 PRAGMA_OACC_CLAUSE_HOST.
1022 (cp_parser_oacc_data_clause): Update GOMP mappings for
1023 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
1024 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
1025 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
1026 Remove support for present_or_* clauses.
1027 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1028 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
1029 (OACC_DECLARE_CLAUSE_MASK): Likewise.
1030 (OACC_DATA_CLAUSE_MASK): Likewise.
1031 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1032 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
1033 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
1034 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
1035 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
1036 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
1038 2018-06-20 Marek Polacek <polacek@redhat.com>
1041 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
1042 (fold_simple_1): Likewise.
1043 * error.c (dump_expr): Likewise.
1045 2018-06-20 Nathan Sidwell <nathan@acm.org>
1048 * cp-tree.h (lookup_keep): Drop KEEP parm.
1049 (lookup_list_keep): Delete.
1050 (maybe_get_fns): Declare.
1051 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
1052 (cp_parser_template_id): Not here ...
1053 * decl.c (cp_finish_decl): ... nor here ...
1054 * init.c (build_raw_new_expr): ... nor here ...
1055 * pt.c (process_template_parm): ... nor here ...
1056 * semantics.c (perform_koenig_lookup): Call lookup_keep.
1057 (finish_call_expr): Not here.
1058 * tree.c (ovl_cache): Delete.
1059 (ovl_make, ovl_copy): No cache.
1060 (lookup_keep): Always keep.
1061 (lookup_list_keep): Delete.
1062 (maybe_get_fns): New, broken out of ...
1063 (get_fns): ... here. Call it.
1064 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
1065 (build_min_nt_call_vec): Likewise.
1067 2018-06-19 Jason Merrill <jason@redhat.com>
1069 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
1070 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
1072 PR c++/86182 - ICE with anonymous union passed to template.
1073 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1074 used to declare a named variable.
1076 2018-06-18 Jason Merrill <jason@redhat.com>
1078 * tree.c (cp_expr_location): New.
1079 * cp-tree.h (cp_expr_loc_or_loc): New.
1080 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1081 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1082 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1084 * parser.c (cp_parser_lambda_expression): Use a range for
1085 LAMBDA_EXPR_LOCATION.
1087 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1088 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1091 PR c++/81060 - ICE with unexpanded parameter pack.
1092 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1093 * decl.c (grokdeclarator): Call it for qualifying_scope.
1095 PR c++/86171 - ICE with recursive alias instantiation.
1096 * pt.c (tsubst_decl): Handle recursive alias instantiation.
1098 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
1100 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1101 in errors about redefined default arguments; tidy.
1103 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
1105 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1106 * cp-gimplify.c (cp_fold): Likewise.
1108 2018-06-15 Jason Merrill <jason@redhat.com>
1110 PR c++/86147 - wrong capture for template argument.
1111 * expr.c (mark_use): Look through NOP_EXPR.
1113 * name-lookup.c (do_pushtag): Don't look through complete types, but
1114 don't add to them either. Get context from current_binding_level.
1115 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1117 * decl.c (start_enum): Do compare dependent underlying type.
1119 PR c++/82882 - ICE with lambda in template default argument.
1120 * lambda.c (record_null_lambda_scope): New.
1121 * pt.c (tsubst_lambda_expr): Use it.
1122 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1123 function that isn't open.
1125 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1127 2018-06-14 Marek Polacek <polacek@redhat.com>
1130 * decl2.c (cp_check_const_attributes): Skip trees that are not
1133 2018-06-14 Jakub Jelinek <jakub@redhat.com>
1135 P0624R2 - Default constructible and assignable stateless lambdas
1136 * method.c (synthesized_method_walk): For C++2a don't mark
1137 sfk_constructor or sfk_copy_assignment as deleted if lambda has
1140 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1142 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1143 OPT_Wshadow warning_at.
1144 (grokfndecl): Consistently use the location_t argument in
1145 literal operator diagnostic messages.
1146 (grokdeclarator): Use declspecs->locations[ds_storage_class]
1148 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1151 2018-06-13 Jason Merrill <jason@redhat.com>
1153 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1154 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1157 PR c++/86094 - wrong code with defaulted move ctor.
1158 * class.c (classtype_has_non_deleted_move_ctor): New.
1159 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1160 Handle v12 breakage.
1162 2018-06-12 Jason Merrill <jason@redhat.com>
1164 PR c++/86098 - ICE with template placeholder for TTP.
1165 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1166 CLASS_PLACEHOLDER_TEMPLATE.
1168 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1170 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1171 parameter and adjust error_at calls.
1172 * decl.c (grok_op_properties): Adjust calls.
1173 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1175 2018-06-12 Marek Polacek <polacek@redhat.com>
1177 Core issue 1331 - const mismatch with defaulted copy constructor
1178 * class.c (check_bases_and_members): When checking a defaulted
1179 function, mark it as deleted rather than giving an error.
1181 2018-06-11 Jason Merrill <jason@redhat.com>
1183 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1184 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1187 PR c++/85963 - -Wunused-but-set with ?: in template.
1188 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1190 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1192 * decl.c (grok_op_properties): Consistently use the location
1193 of the decl; remove special casing of POSTINCREMENT_EXPR and
1194 POSTDECREMENT_EXPR wrt default arguments.
1196 2018-06-05 Jason Merrill <jason@redhat.com>
1198 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1199 of pointers to members of the same union.
1201 2018-06-11 Jason Merrill <jason@redhat.com>
1203 PR c++/86094 - wrong code with defaulted move ctor.
1204 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1206 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1208 * decl.c (grokfndecl): Use the location_t argument in two more places.
1210 2018-06-06 Marek Polacek <polacek@redhat.com>
1213 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1214 deduction from the list elements.
1215 (type_unification_real): Check convertibility of list elements.
1217 2018-06-06 Jason Merrill <jason@redhat.com>
1219 PR c++/86060 - ICE on range for with -std=c++98.
1220 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1223 PR c++/85710 - ICE with -Wmemset-elt-size.
1224 * semantics.c (finish_call_expr): Call warn_for_memset here.
1225 * parser.c (cp_parser_postfix_expression): Not here.
1226 (literal_integer_zerop): No longer static.
1227 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1229 2018-06-05 Marek Polacek <polacek@redhat.com>
1232 * tree.c (cp_tree_equal): Handle USING_DECL.
1234 2018-06-05 Jason Merrill <jason@redhat.com>
1236 PR c++/85731 - wrong error with qualified-id in template.
1237 * semantics.c (finish_qualified_id_expr): build_qualified_name
1238 for unbound names in the current class.
1240 2018-06-04 Jason Merrill <jason@redhat.com>
1242 PR c++/61806 - missed SFINAE with partial specialization.
1243 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1244 parameter to constructor.
1245 * pt.c (instantiate_class_template_1): Enable access checking
1246 before call to most_specialized_partial_spec.
1248 PR c++/85765 - SFINAE and non-type default template arg.
1249 * pt.c (type_unification_real): Do full semantic processing if
1250 substituting a partial args list replaces all template parms.
1252 2018-06-03 Jason Merrill <jason@redhat.com>
1254 PR c++/85739 - ICE with pointer to member template parm.
1255 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1257 2018-06-02 Jason Merrill <jason@redhat.com>
1259 PR c++/85761 - ICE with ill-formed use of const outer variable.
1260 * expr.c (mark_use): Handle location wrappers.
1262 2018-06-01 Jason Merrill <jason@redhat.com>
1264 PR c++/85764 - bogus 'this' not captured error.
1265 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1266 (nonlambda_method_basetype): Handle NSDMI.
1268 CWG 1581: When are constexpr member functions defined?
1269 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1270 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1272 PR c++/58281 - explicit instantiation of constexpr
1273 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1275 * pt.c (instantiate_decl): Any defaulted function is defined.
1277 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1280 * call.c (resolve_args): Use location of expression, not current input
1283 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1285 Do not warn about zero-as-null when NULL is used.
1286 * call.c (conversion_null_warnings): Check for pointer
1287 types converted from zero constants.
1288 (convert_like_real): Add a warning sentinel at the end.
1289 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1292 2018-05-30 Jason Merrill <jason@redhat.com>
1294 PR c++/85807 - ICE with call in template NSDMI.
1295 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1296 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1298 PR c++/85873 - constant initializer_list array not in .rodata.
1299 * tree.c (build_target_expr): Set TREE_READONLY.
1300 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1302 * parser.c (cp_parser_check_condition_declarator): Handle
1303 cp_error_declarator.
1305 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1307 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1308 of using it in dead store.
1310 2018-05-29 Jason Merrill <jason@redhat.com>
1312 PR c++/67445 - returning temporary initializer_list.
1313 PR c++/67711 - assigning from temporary initializer_list.
1314 PR c++/48562 - new initializer_list.
1315 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1316 about returning local initializer_list.
1317 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1318 * call.c (build_over_call): Warn about assignment from temporary
1320 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1321 (find_list_begin, maybe_warn_list_ctor): New.
1322 (perform_member_init): Use maybe_warn_list_ctor.
1324 2018-05-29 Marek Polacek <polacek@redhat.com>
1327 * init.c (build_new): Handle deducing a class with new
1328 with more than one argument.
1330 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1333 * init.c (build_aggr_init): For structured binding initialized from
1334 array call mark_rvalue_use on the initializer.
1336 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1338 * decl2.c (start_static_storage_duration_function): Use
1339 splay_tree_delete_pointers.
1341 2018-05-25 Jason Merrill <jason@redhat.com>
1343 PR c++/85815 - reference to member of enclosing template.
1344 * search.c (lookup_base): Use currently_open_class.
1345 (lookup_member): Use it regardless of -fconcepts.
1346 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1348 CWG 616, 1213 - value category of subobject references.
1349 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1351 2018-05-24 Jason Merrill <jason@redhat.com>
1353 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1354 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1357 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1359 Pedwarn on a non-standard position of a C++ attribute.
1360 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1361 after the namespace name.
1363 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1365 * cp-tree.h (INDIRECT_TYPE_P): New.
1366 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1367 joust): Use it instead of POINTER_TYPE_P.
1368 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1369 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1370 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1371 * cxx_eval_increment_expression, potential_constant_expression_1):
1373 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1374 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1375 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1376 cp_ubsan_maybe_instrument_downcast): Likewise.
1377 * cvt.c (cp_convert_to_pointer, ocp_convert,
1378 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1379 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1380 pp_cxx_offsetof_expression_1): Likewise.
1381 * decl.c (grokparms, static_fn_type): Likewise.
1382 * decl2.c (grokbitfield): Likewise.
1383 * error.c (dump_expr): Likewise.
1384 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1385 * init.c (warn_placement_new_too_small): Likewise.
1386 * lambda.c (build_capture_proxy, add_capture): Likewise.
1387 * parser.c (cp_parser_omp_for_loop): Likewise.
1388 * pt.c (convert_nontype_argument, fn_type_unification,
1389 uses_deducible_template_parms, check_cv_quals_for_unify,
1390 dependent_type_p_r): Likewise.
1391 * search.c (check_final_overrider): Likewise.
1392 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1393 finish_omp_for): Likewise.
1394 * tree.c (cp_build_qualified_type_real): Likewise.
1395 * typeck.c (build_class_member_access_expr,
1396 finish_class_member_access_expr, build_x_indirect_ref,
1397 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1400 2018-05-24 Jason Merrill <jason@redhat.com>
1402 PR c++/85864 - literal template and default template arg.
1403 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1405 2018-05-24 Marek Polacek <polacek@redhat.com>
1408 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1409 variable for its result. Fix a condition.
1410 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1412 2018-05-23 Jason Merrill <jason@redhat.com>
1414 Fix cast to rvalue reference from prvalue.
1415 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1416 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1417 non-class type. Handle xvalue argument.
1418 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1420 * semantics.c (finish_compound_literal): Do direct-initialization,
1421 not cast, to initialize a reference.
1423 CWG 616, 1213 - value category of subobject references.
1424 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1426 * typeck2.c (build_m_component_ref): Likewise.
1427 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1428 distinction between temporary and xvalue.
1430 2018-05-23 Marek Polacek <polacek@redhat.com>
1432 Implement P0614R1, Range-based for statements with initializer.
1433 * parser.c (cp_parser_range_based_for_with_init_p): New.
1434 (cp_parser_init_statement): Use it. Parse the optional init-statement
1435 for a range-based for loop.
1436 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1438 2018-05-22 Jason Merrill <jason@redhat.com>
1440 PR c++/81420 - not extending temporary lifetime.
1441 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1442 * class.c (build_base_path): Avoid redundant move of an rvalue.
1444 PR c++/85866 - error with .* in default template arg.
1445 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1447 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1449 * parser.c (cp_parser_parameter_declaration_list): Remove
1451 (cp_parser_parameter_declaration_clause): Adjust.
1452 (cp_parser_cache_defarg): Likewise.
1454 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1457 * parser.c (cp_parser_maybe_commit_to_declaration,
1458 cp_parser_check_condition_declarator): New.
1459 (cp_parser_simple_declaration): Use the first above.
1460 (cp_parser_condition): Use both the above; enforce
1461 [stmt.stmt]/2 about the declarator not specifying
1462 a function or an array; improve error-recovery.
1464 2018-05-20 Jason Merrill <jason@redhat.com>
1466 PR libstdc++/85843 - warning in logic_error copy constructor.
1467 * class.c (type_has_user_nondefault_constructor): Check for a
1468 user-provided ctor, not user-declared.
1470 2018-05-19 Jason Merrill <jason@redhat.com>
1472 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1473 on __integer_pack as subexpression of pattern.
1475 2018-05-18 Jason Merrill <jason@redhat.com>
1477 PR c++/58407 - deprecated implicit copy ops.
1478 * call.c (build_over_call): Warn about deprecated trivial fns.
1479 * class.c (classtype_has_user_copy_or_dtor): New.
1480 (type_build_ctor_call): Check TREE_DEPRECATED.
1481 (type_build_dtor_call): Likewise.
1482 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1483 Add checks. Return bool. Handle -Wdeprecated-copy.
1484 (mark_used): Use it.
1485 * decl.c (grokdeclarator): Remove redundant checks.
1486 * typeck2.c (build_functional_cast): Likewise.
1487 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1488 * init.c (build_aggr_init): Only set TREE_USED if there are
1491 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1494 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1497 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1499 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1500 (potential_constant_expression_1): Likewise.
1502 2018-05-16 Marek Polacek <polacek@redhat.com>
1505 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1506 * tree.c (bot_manip): Call set_flags_from_callee for
1507 AGGR_INIT_EXPRs too.
1509 2018-05-15 Jason Merrill <jason@redhat.com>
1511 * cp-tree.h (cp_expr): Remove copy constructor.
1512 * mangle.c (struct releasing_vec): Declare copy constructor.
1514 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1516 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1517 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1518 is a throw-expression.
1520 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1522 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1523 (FOR_EACH_CLONE): Update.
1524 * decl.c (grokdeclarator): Use it.
1525 * decl2.c (vague_linkage_p): Likewise.
1526 * mangle.c (mangle_decl): Likewise.
1527 * method.c (lazily_declare_fn): Likewise.
1528 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1529 * repo.c (repo_emit_p): Likewise.
1530 * tree.c (decl_linkage): Likewise.
1532 2018-05-14 Jason Merrill <jason@redhat.com>
1534 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1535 * tree.c (build_cp_fntype_variant): New.
1536 (build_ref_qualified_type, build_exception_variant)
1537 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1538 (cxx_type_hash_eq, cp_check_qualified_type): Check
1539 TYPE_HAS_LATE_RETURN_TYPE.
1540 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1541 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1542 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1543 (adjust_clone_args): Likewise.
1544 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1545 build_cp_fntype_variant.
1546 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1547 (check_function_type): Use cxx_copy_lang_qualifiers.
1548 (static_fn_type): Use cxx_copy_lang_qualifiers.
1549 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1550 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1551 (change_return_type): Use cxx_copy_lang_qualifiers.
1552 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1553 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1554 return type on the declarator like a normal trailing return type.
1555 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1556 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1557 * typeck.c (merge_types): Use build_cp_fntype_variant.
1559 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1561 * cp-tree.h (TYPE_REF_P): New.
1562 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1563 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1564 direct_reference_binding, reference_binding, implicit_conversion,
1565 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1566 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1567 build_over_call, perform_implicit_conversion_flags,
1568 extend_ref_init_temps, type_has_extended_temps): Use it.
1569 * class.c (one_inheriting_sig, check_field_decls,
1570 check_bases_and_members, find_flexarrays, finish_struct,
1571 fixed_type_or_null): Likewise.
1572 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1573 non_const_var_error, cxx_eval_constant_expression,
1574 potential_constant_expression_1): Likewise.
1575 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1576 cp_genericize_r, cxx_omp_privatize_by_reference,
1577 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1578 cp_fold_maybe_rvalue): Likewise.
1579 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1580 * cvt.c (build_up_reference, convert_to_reference,
1581 convert_from_reference, convert_to_void, noexcept_conv_p,
1582 fnptr_conv_p): Likewise.
1583 * decl.c (poplevel, check_for_uninitialized_const_var,
1584 check_initializer, initialize_local_var, cp_finish_decl,
1585 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1586 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1587 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1588 decl_maybe_constant_var_p): Likewise.
1589 * error.c (dump_type_prefix, dump_expr): Likewise.
1590 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1591 is_admissible_throw_operand_or_catch_parameter): Likewise.
1592 * expr.c (mark_use): Likewise.
1593 * init.c (build_zero_init_1, build_value_init_noctor,
1594 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1595 build_new, build_delete): Likewise.
1596 * lambda.c (build_lambda_object): Likewise.
1597 * mangle.c (write_expression, write_template_arg): Likewise.
1598 * method.c (forward_parm, do_build_copy_constructor,
1599 do_build_copy_assign, build_stub_object, constructible_expr,
1600 walk_field_subobs): Likewise.
1601 * parser.c (cp_parser_omp_for_loop_init,
1602 cp_parser_omp_declare_reduction_exprs,
1603 cp_parser_omp_declare_reduction): Likewise.
1604 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1605 convert_template_argument, tsubst_pack_expansion,
1606 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1607 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1608 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1609 value_dependent_expression_p, build_deduction_guide): Likewise.
1610 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1611 finish_compound_literal, omp_privatize_field,
1612 handle_omp_array_sections_1, handle_omp_array_sections,
1613 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1614 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1615 finish_omp_clauses, finish_decltype_type, capture_decltype,
1616 finish_builtin_launder): Likewise.
1617 * tree.c (lvalue_kind, cp_build_reference_type, move,
1618 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1619 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1620 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1621 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1622 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1623 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1624 convert_for_initialization,
1625 maybe_warn_about_returning_address_of_local, check_return_expr,
1626 cp_type_quals, casts_away_constness, non_reference): Likewise.
1627 * typeck2.c (cxx_readonly_error, store_init_value,
1628 process_init_constructor_record, build_x_arrow, build_functional_cast,
1629 add_exception_specifier): Likewise.
1631 2018-05-14 Jason Merrill <jason@redhat.com>
1633 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1634 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1636 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1639 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1640 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1641 cxx_omp_predetermined_sharing_1. Rename old function to ...
1642 (cxx_omp_predetermined_sharing_1): ... this.
1643 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1644 instead of cxx_omp_predetermined_sharing.
1646 2018-05-10 Jason Merrill <jason@redhat.com>
1648 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1649 (check_static_variable_definition): Allow auto.
1650 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1652 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1653 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1655 Core issue 2310 - conversion to base of incomplete type.
1656 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1658 CWG 2267 - list-initialization of reference temporary
1659 * call.c (reference_binding): List-initializing a reference
1660 temporary is copy-list-initialization.
1662 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1664 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1665 instantiation in template context.
1667 * class.c (vbase_has_user_provided_move_assign): Use
1670 * lambda.c (lambda_expr_this_capture): Improve logic.
1672 * decl.c (make_typename_type): s/parameters/arguments/.
1673 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1674 * pt.c (make_pack_expansion): Correct error message.
1676 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1679 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1680 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1683 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1686 * decl2.c (adjust_var_decl_tls_model): New static function.
1687 (comdat_linkage): Call it on a variable.
1688 (maybe_make_one_only): Likewise.
1690 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1694 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1697 * parser.c (cp_parser_parameter_declaration_list): When the
1698 entire parameter-declaration-list is erroneous maybe call
1699 abort_fully_implicit_template.
1701 2018-05-08 Jason Merrill <jason@redhat.com>
1703 PR c++/85706 - class deduction under decltype
1704 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1705 *walk_subtrees whether or not we walked into the operand.
1706 (type_uses_auto): Only look at deduced contexts.
1708 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1711 * parser.c (cp_parser_parameter_declaration_list): When the
1712 entire parameter-declaration-list is erroneous maybe call
1713 abort_fully_implicit_template.
1715 2018-05-08 Marek Polacek <polacek@redhat.com>
1718 * semantics.c (finish_if_stmt_cond): See through typedefs.
1720 2018-05-07 Jason Merrill <jason@redhat.com>
1722 PR c++/85646 - lambda visibility.
1723 * decl2.c (determine_visibility): Don't mess with template arguments
1724 from the containing scope.
1725 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1728 2018-05-07 Nathan Sidwell <nathan@acm.org>
1730 Remove fno-for-scope
1731 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1732 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1733 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1734 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1735 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1737 * name-lookup.h (struct cp_binding_level): Remove
1738 dead_vars_from_for field.
1739 * cp-lang.c (cp_init_ts): Delete.
1740 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1741 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1742 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1743 (init_shadowed_var_for_decl): Delete.
1744 * decl.c (poplevel): Remove shadowed for var handling.
1745 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1746 * name-lookup.c (find_local_binding): Remove shadowed for var
1748 (check_local_shadow): Likewise.
1749 (check_for_out_of_scope_variable): Delete.
1750 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1752 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1753 * semantics.c (begin_for_scope): Always have a scope.
1754 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1755 (begin_range_for_stmt, finish_id_expression): Likewise.
1757 2018-05-07 Jason Merrill <jason@redhat.com>
1759 PR c++/85618 - ICE with initialized VLA.
1760 * tree.c (vla_type_p): New.
1761 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1762 rather than array_of_runtime_bound_p.
1764 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1766 * cvt.c (ocp_convert): Early handle the special case of a
1767 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1769 2018-05-03 Jason Merrill <jason@redhat.com>
1771 PR c++/85600 - virtual delete failure.
1772 * init.c (build_delete): Always save_expr when deleting.
1774 2018-05-03 Nathan Sidwell <nathan@acm.org>
1776 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1777 * name-lookup.c (do_pushdecl): Likewise.
1779 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1780 Jason Merrill <jason@redhat.com>
1783 * name-lookup.c (check_local_shadow): Don't handle static old
1784 declarations in the block handling locals shadowing locals.
1786 2018-05-01 Jason Merrill <jason@redhat.com>
1788 PR c++/85587 - error with scoped enum in template.
1789 * semantics.c (finish_qualified_id_expr): Don't return an
1790 unqualified IDENTIFIER_NODE.
1792 2018-04-30 Jason Merrill <jason@redhat.com>
1794 PR c++/85580 - extern "C" and local variables
1795 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1797 PR c++/84701 - unsigned typeof.
1798 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1799 of long/short/signed/unsigned.
1801 PR c++/85305 - pack in lambda init-capture.
1802 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1803 check_for_bare_parameter_packs in a subexpression.
1804 (cp_parser_lambda_introducer): Use it.
1806 PR c++/61982 - dead stores to destroyed objects.
1807 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1808 (build_over_call, build_special_member_call): Use it.
1809 * cp-tree.h: Declare it.
1810 * init.c (build_delete): Remove trivial path.
1812 * init.c (build_dtor_call): Use build_special_member_call.
1813 (build_delete): Remove redundant uses of save_addr.
1815 * decl.c (build_clobber_this): Use build_clobber.
1817 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1820 * init.c (build_zero_init_1): For zero initialization of
1821 NULLPTR_TYPE_P type use build_int_cst directly.
1823 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1826 * name-lookup.c (consider_binding_level): Skip compiler-generated
1828 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1829 nested if statements into a series of rejection tests. Reject
1830 lambda-ignored entities as suggestions.
1832 2018-04-27 Jason Merrill <jason@redhat.com>
1834 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1835 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1837 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1840 * decl.c (grokdeclarator): Clear friendp upon definition in local
1841 class definition error.
1843 2018-04-27 Jason Merrill <jason@redhat.com>
1845 PR c++/85545 - ICE with noexcept PMF conversion.
1846 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1848 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1850 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1852 2018-04-27 Nathan Sidwell <nathan@acm.org>
1854 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1856 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1857 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1858 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1859 (dump, print_other_binding_stacks): Remove declarations.
1860 * name-lookup.c (print_other_binding_stack): Make static.
1861 * pt.c (build_template_decl): Make static.
1863 2018-04-26 Jason Merrill <jason@redhat.com>
1865 PR c++/85545 - ICE with noexcept PMF conversion.
1866 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1868 2018-04-25 Nathan Sidwell <nathan@acm.org>
1872 * cp-tree.h (REINTERPRET_CAST_P): New.
1873 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1874 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1875 for non-trivial PTRMEM_CST cases.
1876 * typeck.c (build_nop_reinterpret): New.
1877 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1878 NOP_EXPRs returned by cp_convert.
1880 2018-04-23 Jason Merrill <jason@redhat.com>
1882 PR c++/69560 - wrong alignof(double) on x86.
1883 CWG 1879 - Inadequate definition of alignment requirement.
1884 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1885 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1886 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1887 (cxx_alignof_expr): Pass it.
1888 * parser.c (cp_parser_unary_expression): Pass it.
1889 * pt.c (tsubst_copy): Copy it.
1890 (tsubst_copy_and_build): Pass it.
1891 * decl.c (fold_sizeof_expr): Pass it.
1893 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1894 Jason Merrill <jason@redhat.com>
1896 PR c++/85470 - wrong error with static data member.
1897 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1898 * typeck2.c (store_init_value): Likewise.
1900 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1903 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1904 change refcount member from unsigned char to unsigned short,
1905 add refcount_infinity static data member, adjust comments.
1906 * pt.c (tinst_level::refcount_infinity): Define.
1907 (inc_refcount_use): Remove assert, don't increment if refcount
1908 is already refcount_infinity, adjust comment.
1909 (dec_refcount_use): Remove assert, don't decrement if refcount
1910 is refcount_infinity, adjust comment.
1911 (push_tinst_level_loc): Formatting fix.
1913 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1916 * pt.c (lookup_template_class_1): Check pushtag return value for
1919 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1922 * cp-tree.h (tinst_level::free): Fix whitespace.
1924 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1927 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1928 for error_mark_node.
1930 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1933 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1934 tricks from here to ...
1935 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1936 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1938 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1941 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1942 targs. Add private split_list_p, tree_list_p, and not_list_p
1943 inline const predicates; to_list private member function
1944 declaration; free public member function declaration; list_p,
1945 get_node and maybe_get_node accessors, and refcount data
1946 member. Narrow errors to unsigned short.
1947 * error.c (print_instantiation_full_context): Use new
1949 (print_instantiation_partial_context_line): Likewise. Drop
1950 const from tinst_level-typed parameter.
1951 * mangle.c (mangle_decl_string): Likewise.
1952 * pt.c (freelist): New template class.
1953 (tree_list_freelist_head): New var.
1954 (tree_list_freelist): New fn, along with specializations.
1955 (tinst_level_freelist_head): New var.
1956 (pending_template_freelist_head): Likewise.
1957 (tinst_level_freelist, pending_template_freelist): New fns.
1958 (tinst_level::to_list, tinst_level::free): Define.
1959 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1960 (set_refcount_ptr): New template fn.
1961 (add_pending_template): Adjust for refcounting, freelists and
1963 (neglectable_inst_p): Take a NULL d as a non-DECL.
1964 (limit_bad_template_recursion): Use new accessors.
1965 (push_tinst_level): New overload to create the list.
1966 (push_tinst_level_loc): Make it static, split decl into two
1967 args, adjust tests and initialization to cope with split
1968 lists, use freelist, adjust for refcounting.
1969 (push_tinst_level_loc): New wrapper with the old interface.
1970 (pop_tinst_level): Adjust for refcounting.
1971 (record_last_problematic_instantiation): Likewise.
1972 (reopen_tinst_level): Likewise. Use new accessors.
1973 (instantiate_alias_template): Adjust for split list.
1974 (fn_type_unification): Likewise.
1975 (get_partial_spec_bindings): Likewise.
1976 (instantiate_pending_templates): Use new accessors. Adjust
1977 for refcount. Release pending_template to freelist.
1978 (instantiating_current_function_p): Use new accessors.
1980 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1983 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1984 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1985 if we've seen errors.
1987 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1990 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1991 checking that the use is indeed before the definition.
1992 (macro_use_before_def::macro_use_before_def): Make private.
1993 (macro_use_before_def::~macro_use_before_def): Make private. Move
1994 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1995 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1996 than using new directly.
1998 2018-04-12 Jason Merrill <jason@redhat.com>
2000 PR c++/85356 - ICE with pointer to member function.
2001 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
2002 flag_noexcept_type. Build the new spec within the function context.
2003 * except.c (build_noexcept_spec): Do get constant value in templates
2004 if flag_noexcept_type.
2005 * decl.c (check_redeclaration_exception_specification): Don't
2006 instantiate noexcept on a dependent declaration.
2008 2018-04-12 Marek Polacek <polacek@redhat.com>
2011 * constexpr.c (reduced_constant_expression_p): Return false for null
2014 2018-04-11 Marek Polacek <polacek@redhat.com>
2017 * constexpr.c (potential_constant_expression_1): Consider conversions
2018 from classes to literal types potentially constant.
2020 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
2023 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
2024 the type like TYPE_PTR_OR_PTRMEM_P.
2026 2018-04-10 Jason Merrill <jason@redhat.com>
2028 PR debug/65821 - wrong location for main().
2029 * call.c (clear_location_r, convert_default_arg): Revert.
2030 * tree.c (break_out_target_exprs): Add clear_location parm.
2031 (struct bot_data): New.
2032 (bot_manip): Clear location if requested.
2033 * init.c (get_nsdmi): Pass clear_location.
2035 2018-04-10 David Malcolm <dmalcolm@redhat.com>
2038 * call.c (get_fndecl_argument_location): Make non-static.
2039 * cp-tree.h (get_fndecl_argument_location): New decl.
2040 * typeck.c (convert_for_assignment): When complaining due to
2041 conversions for an argument, show the location of the parameter
2044 2018-04-10 Jakub Jelinek <jakub@redhat.com>
2046 PR c++/85312 - P0962 cleanup
2047 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
2050 2018-04-10 Jason Merrill <jason@redhat.com>
2052 PR debug/65821 - wrong location for main().
2053 * call.c (clear_location_r): New.
2054 (convert_default_arg): Use it.
2055 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
2057 PR c++/85285 - ICE with flexible array after substitution.
2058 * pt.c (instantiate_class_template_1): Check for flexible array in
2061 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
2064 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
2065 issue a pedwarn and defer trying to do bindings.
2067 2018-04-09 Jason Merrill <jason@redhat.com>
2069 PR c++/85279 - dump_expr doesn't understand decltype.
2070 * error.c (dump_expr): Handle DECLTYPE_TYPE.
2072 PR c++/85262 - ICE with redundant qualification on constructor.
2073 * call.c (build_new_method_call_1): Move make_args_non_dependent
2074 after A::A() handling.
2076 PR c++/85277 - ICE with invalid offsetof.
2077 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2078 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2080 PR c++/85264 - ICE with excess template-parameter-list.
2081 * parser.c (cp_parser_check_template_parameters): Add template_id_p
2082 parameter. Don't allow an extra template header if true.
2083 (cp_parser_class_head): Pass template_id_p.
2084 (cp_parser_elaborated_type_specifier): Likewise.
2085 (cp_parser_alias_declaration): Likewise.
2086 (cp_parser_check_declarator_template_parameters): Likewise.
2088 2018-04-09 Jakub Jelinek <jakub@redhat.com>
2091 * parser.c (cp_parser_simple_declaration): For structured bindings,
2092 if *maybe_range_for_decl is NULL after parsing it, set it to
2095 2018-04-09 Jason Merrill <jason@redhat.com>
2097 PR c++/85256 - ICE capturing pointer to VLA.
2098 * lambda.c (add_capture): Distinguish between variable-size and
2099 variably-modified types.
2101 2018-04-06 Jason Merrill <jason@redhat.com>
2103 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2104 * pt.c (extract_locals_r): Remember local typedefs.
2106 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2109 * name-lookup.c (struct std_name_hint): Move out of
2110 get_std_name_hint; add field "min_dialect".
2111 (get_std_name_hint): Add min_dialect values to all initializers.
2112 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2113 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2114 <shared_mutex>, <string_view>, <thread>, and <variant>.
2115 Add fstream, ifstream, and ofstream to <fstream>.
2116 Add istringstream, ostringstream, and stringstream to <sstream>.
2117 Add basic_string to <string>.
2118 Add tuple_element and tuple_size to <tuple>.
2119 Add declval to <utility>.
2120 Fix ordering of <queue> and <tuple>.
2121 Return a std_name_hint, rather than a const char *.
2122 (get_cxx_dialect_name): New function.
2123 (maybe_suggest_missing_std_header): Detect names that aren't yet
2124 available in the current dialect, and instead of suggesting a
2125 missing #include, warn about the dialect.
2127 2018-04-06 Jakub Jelinek <jakub@redhat.com>
2130 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2131 errorcount is set if tsubst doesn't return a VAR_DECL.
2133 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2136 * name-lookup.c (using_directives_contain_std_p): New function.
2137 (has_using_namespace_std_directive_p): New function.
2138 (suggest_alternatives_for): Simplify if/else logic using early
2139 returns. If no candidates were found, and there's a
2140 "using namespace std;" directive, call
2141 maybe_suggest_missing_std_header.
2142 (maybe_suggest_missing_header): Split later part of the function
2144 (maybe_suggest_missing_std_header): New.
2146 2018-04-06 Jason Merrill <jason@redhat.com>
2148 PR c++/85242 - ICE with class definition in template parm.
2149 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2150 processing_template_parmlist.
2152 PR c++/85240 - LTO ICE with using of undeduced auto fn.
2153 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2155 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2158 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2159 is not prev, if prev == decl.
2162 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2163 maybe_apply_pragma_weak here...
2164 (cp_maybe_mangle_decomp): ... but call it here instead.
2166 2018-04-05 Jason Merrill <jason@redhat.com>
2168 PR c++/85136 - ICE with designated init in template.
2169 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2170 designated initializer.
2171 (check_array_designated_initializer): Update ce->index with the
2174 PR c++/83808 - ICE with VLA initialization.
2175 * typeck2.c (process_init_constructor_array): Don't require a VLA
2176 initializer to have VLA type.
2178 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2181 * call.c (convert_like_real): Fail gracefully for a broken
2182 std::initializer_list, missing a definition.
2184 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2186 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2189 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2190 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2192 2018-04-05 Jason Merrill <jason@redhat.com>
2194 PR c++/82152 - ICE with class deduction and inherited ctor.
2195 * pt.c (do_class_deduction): Ignore inherited ctors.
2197 PR c++/84665 - ICE with array of empty class.
2198 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2200 PR c++/85228 - ICE with lambda in enumerator in template.
2201 * pt.c (bt_instantiate_type_proc): Don't assume
2202 CLASSTYPE_TEMPLATE_INFO is non-null.
2204 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2207 * decl.c (find_decomp_class_base): Check accessibility instead
2208 of declared access, adjust diagnostic.
2210 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2213 * decl.c (get_tuple_decomp_init): Check the templatedness
2216 2018-04-05 Jason Merrill <jason@redhat.com>
2218 PR c++/85200 - ICE with constexpr if in generic lambda.
2219 * pt.c (extract_locals_r): Don't record the local specs of variables
2220 declared within the pattern.
2222 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2225 * pt.c (check_auto_in_tmpl_args): New.
2226 (tsubst_qualified_id): Use it to reject template args
2227 referencing auto for non-type templates.
2228 * parser.c (cp_parser_template_id): Likewise.
2229 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2230 * typeck2.c (build_functional_cast): Report correct location
2231 for invalid use of auto.
2233 2018-04-04 Jason Merrill <jason@redhat.com>
2235 PR c++/85215 - ICE with copy-init from conversion.
2236 * call.c (merge_conversion_sequences): Fix type of direct binding
2239 PR c++/84938 - ICE with division by ~-1.
2240 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2242 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2243 * parser.c (cp_parser_mem_initializer_list): Call
2244 check_for_bare_parameter_packs.
2246 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2249 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2250 builtin_valid_in_constant_expr_p functions, don't call
2251 cxx_eval_constant_expression if argument is not
2252 potential_constant_expression.
2255 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2257 * semantics.c (calculate_bases): Add complain argument. Use
2258 complete_type_or_maybe_complain instead of just complete_type and
2259 return an empty vector if it fails. Move make_tree_vector () call
2260 after early return. Formatting fixes.
2261 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2263 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2264 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2265 calculate_direct_bases callers, formatting fixes.
2267 2018-04-04 Jason Merrill <jason@redhat.com>
2269 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2270 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2272 PR c++/85200 - ICE with constexpr if in generic lambda.
2273 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2275 PR c++/84221 - bogus -Wunused with attribute and template.
2276 * decl2.c (is_late_template_attribute): Handle unused and used
2277 normally on non-TYPE_DECL.
2279 PR c++/85135 - ICE with omitted template arguments.
2280 * decl.c (grokdeclarator): Catch deduced class type in trailing
2283 PR c++/85133 - ICE with missing concept initializer.
2284 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2287 PR c++/85118 - wrong error with generic lambda and std::bind.
2288 * call.c (add_template_conv_candidate): Disable if there are any
2291 PR c++/85141 - ICE with compound assignment and static member fn.
2292 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2293 compound assignment.
2295 PR c++/85148 - ICE with 'this' in array NSDMI.
2296 * tree.c (replace_placeholders_r): Use handled_component_p.
2298 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2301 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2302 * parser.c (cp_parser_unqualified_id): ..not here.
2304 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2307 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2309 * decl2.c (mark_used): Return without effects if tf_conv.
2311 2018-04-03 Jason Merrill <jason@redhat.com>
2313 PR c++/85092 - C++17 ICE with unused list constructor.
2314 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2317 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2318 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2319 __builtin_constant_p if ctx->quiet.
2321 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2324 * pt.c (rewrite_template_parm): If the first argument is
2325 error_mark_node return it immediately.
2326 (build_deduction_guide): Check the return value of the
2327 latter for error_mark_node.
2328 (do_class_deduction): Check the return value of the latter.
2330 2018-04-03 Jason Merrill <jason@redhat.com>
2332 * semantics.c (finish_if_stmt_cond): Use
2333 instantiation_dependent_expression_p.
2335 PR c++/85149 - generic lambda and constexpr if.
2336 * pt.c (build_extra_args, add_extra_args): Split from
2337 tsubst_pack_expansion.
2338 (tsubst_expr) [IF_STMT]: Use them.
2339 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2341 * typeck.c (merge_types): Limit matching attribute shortcut to
2344 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2347 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2350 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2354 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2355 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2356 instead for static data members clear init and set DECL_EXTERNAL.
2358 2018-04-02 Jason Merrill <jason@redhat.com>
2360 PR c++/64095 - auto... parameter pack.
2361 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2363 (cp_parser_parameter_declaration_list): Not here.
2365 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2368 * class.c (instantiate_type): Peel off SAVE_EXPR before
2371 2018-03-30 Jason Merrill <jason@redhat.com>
2373 * typeck2.c (process_init_constructor_record): Use
2374 init_list_type_node for the CONSTRUCTOR around an anonymous union
2375 designated initializer.
2377 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2380 * semantics.c (finish_omp_reduction_clause): If
2381 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2382 even if processing_template_decl.
2384 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2387 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2388 <tuple>, and <utility>.
2390 2018-03-29 Jason Merrill <jason@redhat.com>
2392 PR c++/85093 - too many template args with pack expansion.
2393 * pt.c (coerce_template_parms): Keep pack expansion args that will
2396 2018-03-29 Jason Merrill <jason@redhat.com>
2398 * pt.c (build_non_dependent_expr): Propagate expr location.
2400 2018-03-27 Jason Merrill <jason@redhat.com>
2402 PR c++/85060 - wrong-code with call to base member in template.
2403 * search.c (any_dependent_bases_p): Check uses_template_parms
2404 rather than processing_template_decl.
2406 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2409 * typeck.c (convert_for_assignment): When complaining due to
2410 conversions for an argument, attempt to use the location of the
2413 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2416 * pt.c (tsubst_default_argument): Early return if the type of the
2417 parameter is erroneous.
2419 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2422 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2426 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2428 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2431 * method.c (defaulted_late_check): Partially revert r253321 changes,
2432 do not early return upon error.
2434 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2437 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2438 type call fold to generate VECTOR_CSTs when possible.
2441 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2442 return it right away.
2444 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2446 * search.c (check_final_overrider): Use inform instead of error
2447 for the diagnostics of the overridden functions. Tweak wording.
2449 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2452 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2453 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2455 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2456 Jason Merrill <jason@redhat.com>
2459 * init.c (build_aggr_init): When initializing from array,
2460 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2461 (build_vec_init): Handle separately ARRAY_TYPEs.
2463 2018-03-26 Jason Merrill <jason@redhat.com>
2465 PR c++/85062 - ICE with alignas in wrong place.
2466 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2469 PR c++/85049 - ICE with __integer_pack.
2470 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2471 * cp-tree.h (TEMPLATE_PARM_P): New.
2473 2018-03-23 Jason Merrill <jason@redhat.com>
2475 PR c++/78489 - wrong SFINAE behavior.
2478 * pt.c (type_unification_real): Don't defer substitution failure.
2480 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2483 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2487 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2488 cp_build_unary_op call with gcc_unreachable ().
2490 2018-03-23 Marek Polacek <polacek@redhat.com>
2493 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2494 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2495 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2497 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2500 * parser.c (cp_parser_perform_range_for_lookup): Change
2501 the condition for deciding whether to use members.
2503 2018-03-23 Marek Polacek <polacek@redhat.com>
2506 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2508 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2511 * parser.c (cp_parser_alias_declaration): Call
2512 parser_check_template_parameters.
2515 * pt.c (resolve_typename_type): Drop assert that stopped
2516 simplification to template-independent types. Add assert to
2517 verify the initial scope is template dependent.
2518 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2519 Reparse the id expression as a type-name, not a declarator.
2522 * init.c (build_vec_init): Error at parenthesized array init.
2527 * cp-tree.h (temp_override): New template class, generalizing
2528 a cleanup that was only used...
2529 * parser.c (cp_parser_parameter_declaration_clause):
2530 ... here for auto_is_implicit_function_template_parm_p.
2531 (cp_parser_gnu_attributes_opt): Use it here as well.
2532 (cp_parser_std_attribute): Likewise.
2534 2018-03-22 Marek Polacek <polacek@redhat.com>
2537 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2540 2018-03-21 Jason Merrill <jason@redhat.com>
2542 PR c++/81311 - wrong C++17 overload resolution.
2543 * call.c (build_user_type_conversion_1): Remove C++17 code.
2544 (conv_binds_ref_to_prvalue): New.
2545 (build_over_call): Handle C++17 copy elision.
2546 (build_special_member_call): Only do C++17 copy elision here if the
2547 argument is already the right type.
2549 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2552 * init.c (build_vec_init): Silence error, former sorry,
2557 * parser.c (abort_fully_implicit_template_p): New.
2558 (cp_parser_skip_to_end_of_statement): Use it.
2559 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2560 (finish_fully_implicit_template_p): Clear
2561 implicit_template_parms and implicit_template_scope.
2563 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2566 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2567 error_mark_node when check_array_designated_initializer fails.
2569 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2572 * cp-tree.h (genericize_compound_lvalue): Declare.
2573 * typeck.c (genericize_compound_lvalue): New function.
2574 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2575 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2576 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2577 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2578 COMPOUND_EXPR operand.
2580 2018-03-21 Nathan Sidwell <nathan@acm.org>
2583 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2584 * decl2.c (vague_linkage_p): Likewise.
2586 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2589 * constexpr.c (constexpr_fn_retval): Make non-"static".
2590 * cp-tree.h (constexpr_fn_retval): New decl.
2591 * search.c (direct_accessor_p): Update leading comment.
2592 (reference_accessor_p): Likewise.
2593 (field_accessor_p): Replace check that function body is a
2594 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2595 indentation of "field_type" decl.
2597 2018-03-21 Nathan Sidwell <nathan@acm.org>
2600 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2603 2018-03-21 Martin Sebor <msebor@redhat.com>
2606 * call.c (first_non_public_field): New template and function.
2607 (first_non_trivial_field): New function.
2608 (maybe_warn_class_memaccess): Call them.
2610 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2613 * search.c (field_accessor_p): Use class_of_this_parm rather than
2614 type_of_this_parm, to check that "this" is a "const T *", rather
2617 2018-03-21 Nathan Sidwell <nathan@acm.org>
2619 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2620 other than public non-static data members.
2621 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2622 parenthesized initializer.
2625 * name-lookup.c (update_binding): Correct logic for local binding
2628 2018-03-21 Marek Polacek <polacek@redhat.com>
2630 PR c++/71638, ICE with NSDMI and reference.
2631 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2632 even when we replace an element.
2634 2018-03-20 Marek Polacek <polacek@redhat.com>
2636 PR c++/84978, ICE with NRVO.
2637 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2638 a RESULT_DECL isn't in the hash map.
2640 2018-03-20 Jason Merrill <jason@redhat.com>
2642 PR c++/84978, ICE with NRVO.
2643 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2644 (cp_get_callee_fndecl_nofold): New.
2645 * cp-gimplify.c (cp_genericize_r): Use it instead.
2646 * call.c (check_self_delegation): Likewise.
2648 2018-03-20 Nathan Sidwell <nathan@acm.org>
2651 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2652 member_vec, if there is one.
2655 * cp-tree.h (lookup_list_keep): Declare.
2656 * tree.c (lookup_list_keep): New, broken out of ...
2657 (build_min): ... here. Call it.
2658 * decl.c (cp_finish_decl): Call lookup_list_keep.
2660 2018-03-19 Jason Merrill <jason@redhat.com>
2662 PR c++/84937 - ICE with class deduction and auto.
2663 * pt.c (rewrite_template_parm): Fix auto handling.
2665 2018-03-19 Marek Polacek <polacek@redhat.com>
2668 * pt.c (enclosing_instantiation_of): Check if fn is null.
2671 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2672 as we evaluate the elements.
2673 (cxx_eval_constant_expression): Verify constructor's flags
2676 2018-03-19 Jason Merrill <jason@redhat.com>
2678 PR c++/71834 - template-id with too few arguments.
2679 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2681 2018-03-19 Nathan Sidwell <nathan@acm.org>
2684 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2685 * pt.c (build_template_decl): Propagate language linkage.
2688 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2691 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2694 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2696 * method.c (synthesize_method): Likewise.
2697 * pt.c (convert_nontype_argument): Likewise.
2699 2018-03-16 Jason Merrill <jason@redhat.com>
2701 PR c++/84720 - ICE with rvalue ref non-type argument.
2702 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2703 (convert_nontype_argument): Revert earlier change.
2705 PR c++/80227 - SFINAE and negative array size.
2706 * decl.c (compute_array_index_type): Use
2707 build_converted_constant_expr and valid_constant_size_p.
2709 PR c++/84906 - silent wrong code with ambiguous conversion.
2710 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2711 ambiguous conversion.
2712 (convert_like_real): Check it.
2714 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2715 * call.c (build_special_member_call): Don't convert an init-list
2716 argument directly to the class type.
2718 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2722 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2723 (find_placeholder): Declare.
2724 * tree.c (struct replace_placeholders_t): Add exp member.
2725 (replace_placeholders_r): Don't walk into ctors with
2726 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2727 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2728 (replace_placeholders): Initialize data.exp.
2729 (find_placeholders_r, find_placeholders): New functions.
2730 * typeck2.c (process_init_constructor_record,
2731 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2732 if adding NSDMI on which find_placeholder returns true.
2733 * call.c (build_over_call): Don't call replace_placeholders here.
2734 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2735 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2736 TARGET_EXPR_INITIAL.
2737 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2740 2018-03-16 Jason Merrill <jason@redhat.com>
2742 PR c++/83911 - ICE with multiversioned constructor.
2743 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2745 * call.c (build_over_call): Not here.
2747 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2750 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2751 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2753 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2756 * cp-tree.h (cp_warn_deprecated_use): Declare.
2757 * tree.c (cp_warn_deprecated_use): New function.
2758 * typeck2.c (build_functional_cast): Use it.
2759 * decl.c (grokparms): Likewise.
2760 (grokdeclarator): Likewise. Temporarily push nested class scope
2761 around grokparms call for out of class member definitions.
2763 2018-03-14 Jason Merrill <jason@redhat.com>
2765 PR c++/84820 - no error for invalid qualified-id.
2766 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2767 cp_error_declarator.
2769 PR c++/84801 - ICE with unexpanded pack in lambda.
2770 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2771 lambda in non-template context.
2773 PR c++/81236 - auto variable and auto function
2774 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2777 2018-03-14 Jason Merrill <jason@redhat.com>
2779 PR c++/83916 - ICE with template template parameters.
2780 * pt.c (convert_template_argument): Don't substitute into type of
2781 non-type parameter if we don't have enough arg levels.
2784 2018-03-14 Marek Polacek <polacek@redhat.com>
2787 * semantics.c (finish_static_assert): Check
2788 instantiation_dependent_expression_p instead of
2789 {type,value}_dependent_expression_p.
2791 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2792 Jason Merrill <jason@redhat.com>
2794 PR c++/82336 - link error with list-init default argument.
2795 * decl.c (check_default_argument): Unshare an initializer list.
2797 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2800 * decl.c (duplicate_decls): For redefinition of built-in, use error
2801 and return error_mark_node. For redeclaration, return error_mark_node
2802 rather than olddecl if !flag_permissive.
2804 2018-03-13 Jason Merrill <jason@redhat.com>
2806 PR c++/82565 - ICE with concepts and generic lambda.
2807 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2809 2018-03-13 Jason Merrill <jason@redhat.com>
2811 PR c++/84720 - ICE with rvalue ref non-type argument.
2812 * pt.c (convert_nontype_argument): Handle rvalue references.
2814 PR c++/84839 - ICE with decltype of parameter pack.
2815 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2816 instantiating dummy parms.
2818 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2819 parameter even without -Wpedantic.
2821 PR c++/84798 - ICE with auto in abstract function declarator.
2822 * parser.c (cp_parser_parameter_declaration_clause): Check
2823 parser->default_arg_ok_p.
2825 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2828 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2829 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2830 sizetype. Formatting fixes.
2832 2018-03-12 Jason Merrill <jason@redhat.com>
2834 PR c++/84355 - ICE with deduction for member class template.
2835 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2836 CLASS_PLACEHOLDER_TEMPLATE.
2838 PR c++/84802 - ICE capturing uninstantiated class.
2839 * lambda.c (build_capture_proxy): Call complete_type.
2841 2018-03-09 Jason Merrill <jason@redhat.com>
2843 PR c++/84770 - ICE with typedef and parameter pack.
2844 * pt.c (verify_unstripped_args_1): Split out from
2845 verify_unstripped_args.
2847 PR c++/84785 - ICE with alias template and default targs.
2848 * pt.c (type_unification_real): Set processing_template_decl if
2851 PR c++/84752 - ICE with capture of constexpr array.
2852 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2853 identity conversion under ck_lvalue.
2855 2018-03-09 Jason Merrill <jason@redhat.com>
2856 Paolo Carlini <paolo.carlini@oracle.com>
2860 * pt.c (any_erroneous_template_args_p): New.
2861 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2862 * parser.c (cp_parser_class_specifier_1): Use it.
2864 2018-03-09 Jason Merrill <jason@redhat.com>
2866 PR c++/84726 - unnecessary capture of constant vars.
2867 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2868 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2869 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2870 * lambda.c (is_constant_capture_proxy)
2871 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2872 (prune_lambda_captures): New.
2873 (finish_lambda_function): Call prune_lambda_captures.
2875 2018-03-09 Jason Merrill <jason@redhat.com>
2876 Jakub Jelinek <jakub@redhat.com>
2879 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2880 build ADDR_EXPR with REFERENCE_TYPE.
2881 (build_over_call): For purposes of check_function_arguments, if
2882 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2883 its operand rather than the argument itself.
2885 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2888 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2889 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2890 also a note and return olddecl.
2892 2018-03-09 Nathan Sidwell <nathan@acm.org>
2895 * name-lookup.c (do_pushdecl_with_scope): Only clear
2896 current_function_decl when pushing a non-class (i.e. namespace)
2899 2018-03-08 Jason Merrill <jason@redhat.com>
2900 Jakub Jelinek <jakub@redhat.com>
2903 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2904 not calling mark_used for the benefit of -Wunused-function warning.
2906 2018-03-06 Jason Merrill <jason@redhat.com>
2908 * lambda.c (is_capture_proxy_with_ref): Remove.
2909 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2911 2018-03-06 Marek Polacek <polacek@redhat.com>
2914 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2917 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2920 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2921 only while processing template decls.
2922 * typeck.c (build_x_conditional_expr): Move wrapping of
2923 reference type around type...
2924 * call.c (build_conditional_expr_1): ... here. Rename
2925 is_lvalue to is_glvalue.
2926 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2927 INDIRECT_REF of COND_EXPR too.
2930 * init.c (build_zero_init_1): Zero-initialize references.
2933 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2934 overloads used as stmt expr values.
2936 2018-03-05 Jason Merrill <jason@redhat.com>
2938 PR c++/84708 - ICE with lambda in local class NSDMI.
2939 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2942 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2945 * constexpr.c (constexpr_call_hasher::equal): Return false if
2946 lhs->hash != rhs->hash. Change return 1 to return true and
2947 return 0 to return false.
2949 2018-03-05 Nathan Sidwell <nathan@acm.org>
2952 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2954 2018-03-05 Marek Polacek <polacek@redhat.com>
2957 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2960 2018-03-05 Nathan Sidwell <nathan@acm.org>
2963 * friend.c (do_friend): Restore check for identifier_p inside
2966 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2969 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2970 involving a VAR_DECL or a PARM_DECL.
2972 2018-03-05 Pádraig Brady <P@draigBrady.com>
2973 Jason Merrill <jason@redhat.com>
2974 Nathan Sidwell <nathan@acm.org>
2977 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2979 2018-03-03 Jason Merrill <jason@redhat.com>
2981 PR c++/84686 - missing volatile loads.
2982 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2984 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2987 * optimize.c (maybe_thunk_body): Bail out immediately if either
2988 fns[0] or fns[1] is null.
2990 2018-03-02 Marek Polacek <polacek@redhat.com>
2993 * constexpr.c (get_array_or_vector_nelts): New.
2994 (cxx_eval_array_reference): Use it.
2995 (cxx_eval_vec_init_1): Likewise.
2996 (cxx_eval_store_expression): Likewise.
2998 2018-03-02 Jason Merrill <jason@redhat.com>
3000 * semantics.c (force_paren_expr): Remove redundant test.
3002 2018-03-02 Marek Polacek <polacek@redhat.com>
3005 * decl.c (cp_complete_array_type): Check error_mark_node.
3008 * typeck.c (cp_perform_integral_promotions): Check the result of
3011 2018-03-02 Jakub Jelinek <jakub@redhat.com>
3014 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
3015 RETURN instead of return.
3016 <case POINTER_PLUS_EXPR>: Likewise.
3017 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
3018 it instead of wrapping it into CONVERT_EXPR.
3020 2018-03-02 Jason Merrill <jason@redhat.com>
3023 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
3025 2018-03-02 Marek Polacek <polacek@redhat.com>
3028 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
3029 wrapped in VIEW_CONVERT_EXPR.
3031 2018-03-01 Martin Sebor <msebor@redhat.com>
3034 * decl.c (check_redeclaration_no_default_args): Merge attributes
3035 specified on redeclarations of the same function template.
3038 2018-03-01 Marek Polacek <polacek@redhat.com>
3039 Jason Merrill <jason@redhat.com>
3042 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
3044 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
3045 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
3046 of instantiate_non_dependent_expr.
3047 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
3049 2018-03-01 Nathan Sidwell <nathan@acm.org>
3052 * name-lookup.c (member_vec_dedup): Remove manually peeled
3053 iteration. Ignore dependent ctor inheritance.
3055 2018-03-01 Jason Merrill <jason@redhat.com>
3057 PR c++/71569 - decltype of template.
3058 * parser.c (cp_parser_decltype_expr): Handle missing template args.
3060 2018-03-01 Marek Polacek <polacek@redhat.com>
3063 * constexpr.c (require_rvalue_constant_expression): New function.
3064 * cp-tree.h: Declare it.
3065 * semantics.c (finish_static_assert): Use it instead of
3066 require_potential_rvalue_constant_expression.
3068 2018-03-01 Jason Merrill <jason@redhat.com>
3069 Alexandre Oliva <aoliva@redhat.com>
3071 PR c++/71569 - ICE with redundant args on member variable template.
3072 * decl.c (start_decl): Handle partial specialization of member
3074 * pt.c (determine_specialization): Allow partial specialization
3075 of member variable template without specializing enclosing class.
3076 (process_partial_specialization): Improve error message.
3078 2018-02-28 Jason Merrill <jason@redhat.com>
3080 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3081 * pt.c (determine_specialization): Check ref-qualifier.
3083 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3086 * parser.c (cp_parser_attributes_opt): Formatting fix.
3087 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3088 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3090 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3091 instead of tentative parse to peek over optional attribute tokens
3092 to check for CPP_COLON after them.
3096 * pt.c (INCLUDE_STRING): Remove define.
3097 (warn_spec_missing_attributes): Use pretty_printer instead of
3098 std::string. Fix up inform call so that the list of attributes
3101 2018-02-28 Martin Sebor <msebor@redhat.com>
3104 * decl.c (duplicate_decls): Fully merge attributes const, pure,
3107 2018-02-28 Nathan Sidwell <nathan@acm.org>
3110 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3111 * name-lookup.c (fields_linear_search): Look in an anon-aggr
3112 regardless of want_type.
3113 (search_anon_aggr): Just use get_class_binding_direct.
3115 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3117 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3120 2018-02-27 Martin Sebor <msebor@redhat.com>
3122 * pt.c: Avoid including <string> directly.
3124 2018-02-27 Martin Sebor <msebor@redhat.com>
3128 * cp-tree.h (warn_spec_missing_attributes): New function.
3129 ((check_explicit_specialization): Add an argument. Call the above
3131 * decl.c (duplicate_decls): Avoid applying primary function template's
3132 attributes to its explicit specializations.
3133 cp/pt.c (warn_spec_missing_attributes): Define.
3135 2018-02-27 HĂĄkon Sandsmark <hsandsmark@gmail.com>
3137 PR c++/71546 - lambda init-capture with qualified-id.
3138 * parser.c (cp_parser_lambda_introducer): Clear scope after
3139 each lambda capture.
3141 2018-02-27 Nathan Sidwell <nathan@acm.org>
3144 * name-lookup.h (get_member_slot): Rename ...
3145 (find_member_slot): ... here.
3146 (add_member_slot): New.
3147 * name-lookup.c (member_vec_linear_search): No need to check for
3149 (get_member_slot): Rename ...
3150 (find_member_slot): ... here. Don't add slot for incomplete class.
3151 (add_member_slot): New.
3152 * class.c (add_method): Adjust get_member_slot rename. Bail out
3153 if push_class_level_binding fails. Create slot and grok
3154 properties once we're committed to insertion.
3156 2018-02-27 Jason Merrill <jason@redhat.com>
3158 PR c++/84489 - dependent default template argument
3159 * pt.c (type_unification_real): Handle early substitution failure.
3161 2018-02-26 Jason Merrill <jason@redhat.com>
3163 PR c++/84560 - ICE capturing multi-dimensional VLA.
3164 * tree.c (array_of_runtime_bound_p): False if the element is
3167 PR c++/84441 - ICE with base initialized from ?:
3168 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3170 PR c++/84520 - ICE with generic lambda in NSDMI.
3171 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3172 'this' in a generic lambda instantiation.
3174 PR c++/84559 - ICE with constexpr VLA.
3175 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3176 for constexpr variable with VLA type.
3178 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3181 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3182 a valid constant initializer. Formatting fixes.
3184 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3187 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3188 returning NULL_TREE.
3189 (apply_late_template_attributes): Likewise.
3191 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3194 * parser.c (cp_parser_omp_var_list_no_open): Only call
3195 cp_parser_lookup_name_simple on names satisfying identifier_p.
3196 (cp_parser_oacc_routine): Likewise.
3198 2018-02-26 Jason Merrill <jason@redhat.com>
3200 PR c++/84551 - ICE with concepts and -g.
3201 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3203 2018-02-26 Marek Polacek <polacek@redhat.com>
3206 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3209 2018-02-26 Jason Merrill <jason@redhat.com>
3211 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3212 * call.c (build_over_call): Handle deleted functions in one place.
3214 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3217 * decl.c (redeclaration_error_message): Don't try to use
3218 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3220 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3222 * lambda.c (build_capture_proxy): Define static.
3223 * cp-tree.h (build_capture_proxy): Remove.
3225 2018-02-26 Marek Polacek <polacek@redhat.com>
3228 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3229 if name is error node.
3231 2018-02-25 Jason Merrill <jason@redhat.com>
3233 PR c++/84015 - ICE with class deduction and auto template parm.
3234 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3236 2018-02-24 Marek Polacek <polacek@redhat.com>
3239 * constexpr.c (maybe_constant_init_1): New function.
3240 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3241 (cxx_constant_init): New function.
3242 * cp-tree.h (cxx_constant_init): Declare.
3243 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3244 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3246 2018-02-22 Jason Merrill <jason@redhat.com>
3248 PR c++/70468 - ICE with constructor delegation via typedef.
3249 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3250 with constructor delegation.
3252 2018-02-22 Jason Merrill <jason@redhat.com>
3254 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3255 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3258 2018-02-22 Marek Polacek <polacek@redhat.com>
3261 * parser.c (cp_parser_braced_list): Use require_open instead of
3264 2018-02-21 Jason Merrill <jason@redhat.com>
3266 PR c++/84454 - ICE with pack expansion in signature.
3267 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3269 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3271 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3274 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3277 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3280 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3283 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3284 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3287 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3288 returns error_mark_node, return it immediately.
3289 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3290 error_mark_node, return error_mark_node.
3293 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3294 function_depth to avoid GC during finish_lambda_function.
3296 2018-02-19 Jason Merrill <jason@redhat.com>
3298 PR c++/84429 - ICE capturing VLA.
3299 * lambda.c (build_capture_proxy): Handle reference refs.
3301 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3304 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3305 either operand is error_mark_node, set current.lhs to that instead of
3306 creating a binary op with error_mark_node operands.
3309 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3311 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3314 * decl.c (grokdeclarator): Early return error_mark_node upon
3315 ill-formed friend declaration.
3317 2018-02-16 Marek Polacek <polacek@redhat.com>
3318 Jakub Jelinek <jakub@redhat.com>
3321 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3322 set *jump_target to anything if jump_target is NULL.
3324 2018-02-16 Jason Merrill <jason@redhat.com>
3326 PR c++/84151 - unnecessary volatile load with static member.
3327 * call.c (build_new_method_call_1): Avoid loading from a volatile
3328 lvalue used as the object argument for a static member function.
3330 PR c++/81853 - using-directive and constexpr.
3331 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3333 PR c++/84420 - ICE with structured binding in lambda.
3334 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3336 PR c++/83835 - C++17 error with constructor ctors.
3337 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3339 PR c++/82664 - ICE with reference to function template parm.
3340 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3343 PR c++/82764 - C++17 ICE with empty base
3344 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3346 2018-02-16 Jason Merrill <jason@redhat.com>
3348 PR c++/84421 - type-dependent if constexpr
3349 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3351 2018-02-16 Nathan Sidwell <nathan@acm.org>
3353 Deprecate -ffriend-injection.
3354 * decl.c (cxx_init_decl_processing): Emit warning on option.
3355 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3358 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3361 * decl.c (check_special_function_return_type): Reject template
3362 template parameter in deduction guide.
3364 2018-02-16 Nathan Sidwell <nathan@acm.org>
3367 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3369 2018-02-15 Jason Merrill <jason@redhat.com>
3371 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3372 * call.c (convert_like_real): Don't use the copy-list-initialization
3373 shortcut for ck_base.
3375 PR c++/84045 - ICE with typedef and noexcept.
3376 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3378 PR c++/84376 - ICE with omitted template arguments.
3379 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3381 PR c++/84368 - wrong error with local variable in variadic lambda.
3382 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3383 local_specializations.
3385 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3388 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3391 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3394 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3397 2018-02-14 Nathan Sidwell <nathan@acm.org>
3399 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3400 (c_parse_final_cleanups): Restore input_location after emitting
3403 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3405 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3406 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3407 auto_deduction_context, tree, int): Add defaults.
3408 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3409 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3410 tsubst_flags_t argument.
3411 * init.c (build_new): Likewise.
3413 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3416 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3417 about return other than *this in assignment operators if
3418 retval is type dependent expression.
3420 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3423 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3424 save_expr for the G++ extension.
3426 2018-02-13 Jason Merrill <jason@redhat.com>
3428 PR c++/84080 - ICE with return type deduction and specialization.
3429 * pt.c (determine_specialization): Check uses_template_parms.
3431 Fix more variadic capture issues.
3432 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3433 (check_for_bare_parameter_packs): Check current_class_type for
3435 (extract_locals_r): Handle seeing a full instantiation of a pack.
3436 (tsubst_pack_expansion): Likewise. Force lambda capture.
3437 * parser.c (cp_parser_lambda_introducer): Don't
3438 check_for_bare_parameter_packs.
3440 PR c++/84338 - wrong variadic sizeof.
3441 * pt.c (argument_pack_select_arg): Like the macro, but look through
3443 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3444 (extract_fnparm_pack): Do make_pack_expansion.
3445 (extract_locals_r): Do strip a pack expansion.
3446 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3448 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3451 * parser.c (cp_parser_binary_expression): Use build_min instead of
3452 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3454 2018-02-12 Nathan Sidwell <nathan@acm.org>
3457 * parser.c (cp_parser_decltype): Push and pop
3458 deferring_access_checks. Reorganize to avoid goto.
3460 2018-02-12 Richard Biener <rguenther@suse.de>
3463 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3464 uniform constructors and delay allocating them fully.
3466 2018-02-09 Jason Merrill <jason@redhat.com>
3468 PR c++/84036 - ICE with variadic capture.
3469 Handle variadic capture proxies more like non-variadic.
3470 * lambda.c (build_capture_proxy): Remove workaround.
3471 * pt.c (find_parameter_packs_r): The proxy is a pack.
3472 (instantiate_class_template_1): Remove dead lambda code.
3473 (extract_fnparm_pack): Don't make_pack_expansion.
3474 (extract_locals_r): Don't strip a pack expansion.
3475 (tsubst_pack_expansion): Handle proxy packs. Use
3476 PACK_EXPANSION_EXTRA_ARGS less.
3477 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3478 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3479 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3480 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3481 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3483 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3486 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3488 2018-02-09 Jason Merrill <jason@redhat.com>
3490 PR c++/81917 - ICE with void_t and partial specialization.
3491 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3492 calling most_specialized_partial_spec.
3494 2018-02-09 Nathan Sidwell <nathan@acm.org>
3497 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3498 Pass expr location to strict_aliasing_warning.
3500 2018-02-09 Jason Merrill <jason@redhat.com>
3502 PR c++/84296 - ICE with qualified-id in template.
3504 * pt.c (unknown_base_ref_p): New.
3505 (instantiation_dependent_scope_ref_p): Use it instead of
3506 any_dependent_bases_p.
3508 2018-02-09 Marek Polacek <polacek@redhat.com>
3509 Jakub Jelinek <jakub@redhat.com>
3512 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3513 fold_indirect_ref_1, including poly_*int64. Verify first that
3514 tree_fits_poly_int64_p (op01). Formatting fixes.
3516 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3518 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3519 * lambda.c (build_capture_proxy): Likewise.
3520 * search.c (field_access_p): Likewise.
3521 * semantics.c (omp_clause_decl, omp_privatize_field,
3522 finish_omp_clauses): Likewise.
3524 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3527 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3528 case of nullptr too.
3530 2018-02-08 Nathan Sidwell <nathan@acm.org>
3532 * class.c (finish_struct): Fix std:initializer_list diagnostic
3535 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3538 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3540 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3543 * parser.c (cp_parser_dot_deref_incomplete): New function.
3544 (cp_parser_postfix_dot_deref_expression): Use it.
3546 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3550 * name-lookup.c (suggest_rid_p): New function.
3551 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3554 2018-02-07 Jason Merrill <jason@redhat.com>
3556 PR c++/84182 - ICE with captured lambda
3558 * pt.c (extract_locals_r, extract_local_specs): New.
3559 (tsubst_pack_expansion): Use them.
3561 2018-02-07 Martin Liska <mliska@suse.cz>
3564 * class.c (add_method): Append argument value.
3565 * cp-tree.h (maybe_version_functions): Add new argument.
3566 * decl.c (decls_match): Call it if a declaration does not
3567 have DECL_FUNCTION_VERSIONED.
3568 (maybe_version_functions): record argument is added.
3570 2018-02-05 Marek Polacek <polacek@redhat.com>
3572 * class.c: Remove unused global variables.
3573 (build_primary_vtable): Don't gather statistics.
3574 (print_class_statistics): Remove.
3575 * cp-tree.h (print_class_statistics): Remove.
3576 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3578 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3580 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3581 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3582 * decl.c (next_initializable_field, find_decomp_class_base,
3583 cp_finish_decomp): Likewise.
3584 * typeck2.c (process_init_constructor_record): Likewise.
3586 2018-02-02 Jason Merrill <jason@redhat.com>
3588 PR c++/84181 - ICE with lambda parm in template argument.
3589 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3591 2018-02-01 Jason Merrill <jason@redhat.com>
3593 PR c++/84160 - ICE with nested variadic capture.
3594 * lambda.c (is_capture_proxy_with_ref): New.
3595 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3597 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3598 * constexpr.c (potential_constant_expression_1): Likewise.
3599 * semantics.c (process_outer_var_ref): Likewise.
3601 2018-02-01 Marek Polacek <polacek@redhat.com>
3604 * typeck.c (build_address): Relax the assert when
3605 processing_template_decl.
3607 2018-02-01 Jason Merrill <jason@redhat.com>
3609 PR c++/84126 - ICE with variadic generic lambda
3612 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3613 PACK_EXPANSION_EXTRA_ARGS.
3615 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3618 * call.c (convert_like_real): If w're initializing from {} explicitly
3619 call abstract_virtuals_error_sfinae.
3621 2018-01-31 Jason Merrill <jason@redhat.com>
3622 Jakub Jelinek <jakub@redhat.com>
3625 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3626 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3629 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3632 * constexpr.c (diag_array_subscript): Emit different diagnostics
3633 if TYPE_DOMAIN (arraytype) is NULL.
3634 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3635 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3637 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3640 * semantics.c (finish_qualified_id_expr): When handling an
3641 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3643 2018-01-31 Marek Polacek <polacek@redhat.com>
3646 * cp-gimplify.c (cp_fold): Check if X is an error node before
3647 calling useless_type_conversion_p.
3649 2018-01-30 Jason Merrill <jason@redhat.com>
3651 PR c++/84091 - ICE with local class in lambda in template.
3652 * decl2.c (determine_visibility): Look for outer containing template
3655 PR c++/84098 - ICE with lambda in template NSDMI.
3656 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3658 2018-01-29 Jason Merrill <jason@redhat.com>
3660 PR c++/68810 - wrong location for reinterpret_cast error.
3661 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3664 2018-01-29 Marek Polacek <polacek@redhat.com>
3667 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3668 => fooarray[1] in offset_int.
3670 2018-01-29 Jason Merrill <jason@redhat.com>
3672 PR c++/83942 - wrong unused warning with static_cast.
3673 * cvt.c (ocp_convert): Call mark_rvalue_use.
3675 2018-01-26 Jason Merrill <jason@redhat.com>
3677 PR c++/83956 - wrong dtor error with anonymous union
3678 * method.c (walk_field_subobs): Variant members only affect
3680 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3682 PR c++/84036 - ICE with variadic capture.
3684 * pt.c (tsubst_pack_expansion): When optimizing a simple
3685 substitution, pull a single pack expansion out of its pack.
3687 PR c++/82514 - ICE with local class in generic lambda.
3688 * pt.c (regenerated_lambda_fn_p): Remove.
3689 (enclosing_instantiation_of): Don't use it.
3690 (tsubst_function_decl): Call enclosing_instantiation_of.
3692 * pt.c (lookup_template_class_1): Add sanity check.
3693 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3695 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3698 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3699 recursive calls that return ret.
3700 (cp_finish_decomp): Ignore unnamed bitfields.
3702 2018-01-23 Jason Merrill <jason@redhat.com>
3704 PR c++/82249 - wrong mismatched pack length error.
3705 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3706 unsubstituted function parameter pack.
3708 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3711 * decl.c (check_for_uninitialized_const_var): Not static; add
3712 bool and tsubst_flags_t parameters; adjust to be used both in
3713 constexpr context and not.
3714 * constexpr.c (potential_constant_expression_1): Use the above.
3715 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3717 2018-01-23 Jason Merrill <jason@redhat.com>
3719 PR c++/83947 - ICE with auto declarations.
3720 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3721 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3723 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3726 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3727 for pointer to member function types.
3729 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3732 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3733 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3735 2018-01-23 Nathan Sidwell <nathan@acm.org>
3738 * pt.c (tsubst_baselink): Remove optype assert.
3739 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3741 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3744 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3745 refers to incomplete type.
3747 2018-01-23 Nathan Sidwell <nathan@acm.org>
3749 Deprecate ARM-era for scope handling
3750 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3751 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3753 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3755 * semantics.c (begin_for_scope): Flag_new_for_scope is
3757 (finish_for_stmt, begin_range_for_stmt): Likewise.
3759 2018-01-22 Jason Merrill <jason@redhat.com>
3762 * decl2.c (determine_visibility): Fix template_decl handling
3763 instead of blocking it.
3765 PR c++/83720 - ICE with lambda and LTO.
3766 * decl2.c (determine_visibility): Clear template_decl for
3767 function-scope decls. Propagate anonymous linkage from containing
3770 2018-01-22 Marek Polacek <polacek@redhat.com>
3773 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3776 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3779 * decl.c (grokdeclarator): Don't diagnose extra parens
3782 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3785 * call.c (joust): Use TREE_TYPE (source) if source is
3786 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3789 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3790 for direct enum init.
3791 * decl.c (reshape_init): Likewise.
3793 2018-01-19 Marek Polacek <polacek@redhat.com>
3795 * constexpr.c (fold_simple): Simplify.
3797 2018-01-18 Jason Merrill <jason@redhat.com>
3800 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3801 * pt.c (instantiation_dependent_scope_ref_p): True if
3802 any_dependent_bases_p.
3804 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3806 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3807 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3809 2018-01-18 Jason Merrill <jason@redhat.com>
3811 PR c++/82461 - constexpr list-initialized member
3812 * constexpr.c (potential_constant_expression_1): Check
3813 TARGET_EXPR_DIRECT_INIT_P.
3815 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3818 * decl.c (xref_basetypes): Early return upon error about derived
3821 2018-01-18 Nathan Sidwell <nathan@acm.org>
3824 * cp-tree.h (mark_use): Declare.
3825 * expr.c (mark_use): Make extern.
3826 * call.c (direct_reference_binding): Set inner conv's
3827 rvaluedness_matches_p, if it is an identity.
3828 (convert_like_real): Mark lvalue or rvalue use for identity as
3829 rvaledness_matches_p demands.
3831 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3834 * parser.c (attr_chainon): New function.
3835 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3836 cp_parser_namespace_definition, cp_parser_init_declarator,
3837 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3838 cp_parser_gnu_attributes_opt): Use it.
3839 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3840 cp_parser_objc_struct_declaration): Likewise. Don't reset
3841 prefix_attributes if attributes is error_mark_node.
3843 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3846 * decl.c (grokdeclarator): Do not append the error_mark_node
3847 due to an erroneous optional attribute-specifier-seq.
3849 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3852 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3855 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3858 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3859 error_mark_node when we give an error.
3860 * decl.c (cp_finish_decl): Use the latter.
3862 2018-01-17 Nathan Sidwell <nathan@acm.org>
3865 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3867 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3870 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3871 the C++ part. If processing a template, call
3872 fold_non_dependent_expr rather than fully folding.
3874 2018-01-17 Jason Merrill <jason@redhat.com>
3876 PR c++/81067 - redundant NULL warning.
3877 * call.c (convert_like_real): Restore null_node handling.
3879 2018-01-17 Jason Merrill <jason@redhat.com>
3881 PR c++/81843 - ICE with variadic member template.
3883 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3886 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3889 * pt.c (type_dependent_expression_p): Strip any location wrapper
3890 before testing tree codes.
3891 (selftest::test_type_dependent_expression_p): New function.
3892 (selftest::cp_pt_c_tests): Call it.
3894 2018-01-17 Nathan Sidwell <nathan@acm.org>
3897 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3898 this not a final instantiation.
3900 2018-01-16 Jason Merrill <jason@redhat.com>
3902 PR c++/83714 - ICE checking return in template.
3903 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3905 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3908 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3909 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3910 instead of CALL_FROM_THUNK_P.
3913 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3914 (resort_type_member_vec, set_class_bindings,
3915 insert_late_enum_def_bindings): Use vec qsort method instead of
3916 calling qsort directly.
3918 2018-01-15 Martin Sebor <msebor@redhat.com>
3921 * class.c (find_flexarrays): Make a record of multiple flexible array
3924 2018-01-12 Jason Merrill <jason@redhat.com>
3926 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3927 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3929 2018-01-12 Nathan Sidwell <nathan@acm.org>
3931 * cp-tree.h (mark_rvalue_use): Add parm name.
3932 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3934 * call.c (convert_like_real): Fix formatting.
3936 2018-01-11 Jason Merrill <jason@redhat.com>
3938 PR c++/82728 - wrong -Wunused-but-set-variable
3941 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3942 * decl.c (case_conversion): Likewise.
3943 * semantics.c (finish_static_assert): Call
3944 perform_implicit_conversion_flags.
3946 2018-01-11 Nathan Sidwell <nathan@acm.org>
3948 * method.c (enum mangling_flags): Delete long-dead enum.
3950 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3952 * parser.c (cp_parser_std_attribute_spec): When
3953 token_pair::require_open / require_close return false simply
3954 return error_mark_node, avoid duplicate cp_parser_error about
3955 expected '(' / ')', respectively.
3957 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3960 * call.c (null_ptr_cst_p): Strip location wrappers when
3961 converting from '0' to a pointer type in C++11 onwards.
3962 (conversion_null_warnings): Replace comparison with null_node with
3963 call to null_node_p.
3964 (build_over_call): Likewise.
3965 * cp-gimplify.c (cp_fold): Remove the early bailout when
3966 processing_template_decl.
3967 * cp-lang.c (selftest::run_cp_tests): Call
3968 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3969 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3970 (selftest::run_cp_tests): Move decl to bottom of file.
3971 (null_node_p): New inline function.
3972 (selftest::cp_pt_c_tests): New decl.
3973 (selftest::cp_tree_c_tests): New decl.
3974 * cvt.c (build_expr_type_conversion): Replace comparison with
3975 null_node with call to null_node_p.
3976 * error.c (args_to_string): Likewise.
3977 * except.c (build_throw): Likewise.
3978 * mangle.c (write_expression): Skip location wrapper nodes.
3979 * parser.c (literal_integer_zerop): New function.
3980 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3981 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3982 param of cp_parser_parenthesized_expression_list. When calling
3983 warn_for_memset, replace integer_zerop calls with
3984 literal_integer_zerop, eliminating the double logical negation
3985 cast to bool. Eliminate the special-casing for CONST_DECL in
3986 favor of the fold_for_warn within warn_for_memset.
3987 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3988 param, defaulting to false. Convert "expr" to a cp_expr, and call
3989 maybe_add_location_wrapper on it when wrap_locations_p is true.
3990 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3991 the result for RID_ALIGNOF and RID_SIZEOF.
3992 (cp_parser_builtin_offsetof): Likewise.
3993 * pt.c: Include "selftest.h".
3994 (tsubst_copy): Handle location wrappers.
3995 (tsubst_copy_and_build): Likewise.
3996 (build_non_dependent_expr): Likewise.
3997 (selftest::test_build_non_dependent_expr): New function.
3998 (selftest::cp_pt_c_tests): New function.
3999 * tree.c: Include "selftest.h".
4000 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
4001 (selftest::test_lvalue_kind): New function.
4002 (selftest::cp_tree_c_tests): New function.
4003 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
4004 (cp_build_binary_op): Replace comparison with null_node with call
4006 (build_address): Use location of operand when building address
4009 2018-01-10 Marek Polacek <polacek@redhat.com>
4012 * call.c (build_conditional_expr_1): Check complain before warning.
4013 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
4014 -Wduplicated-branches.
4016 2018-01-10 Jakub Jelinek <jakub@redhat.com>
4019 * call.c (maybe_warn_class_memaccess): Add forward declaration.
4020 Change last argument from tree * to const vec<tree, va_gc> *, adjust
4021 args uses and check number of operands too. Don't strip away any
4022 nops. Use maybe_constant_value when looking for INTEGER_CST args.
4023 Deal with src argument not having pointer type. Check
4024 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
4026 (build_over_call): Call maybe_warn_class_memaccess here on the
4028 (build_cxx_call): Rather than here on converted arguments.
4030 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
4033 * init.c (build_vec_init): Avoid building an INIT_EXPR with
4034 error_mark_node as second argument.
4036 2018-01-09 Jakub Jelinek <jakub@redhat.com>
4039 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
4040 in STATEMENT_LIST. Remove unneeded assert.
4042 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
4043 Alan Hayward <alan.hayward@arm.com>
4044 David Sherwood <david.sherwood@arm.com>
4046 * constexpr.c (cxx_eval_array_reference): Handle polynomial
4048 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
4049 * call.c (build_conditional_expr_1): Likewise.
4050 * decl.c (cp_finish_decomp): Likewise.
4051 * mangle.c (write_type): Likewise.
4052 * typeck.c (structural_comptypes): Likewise.
4053 (cp_build_binary_op): Likewise.
4054 * typeck2.c (process_init_constructor_array): Likewise.
4056 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4059 * typeck.c (build_static_cast_1): For static casts to reference types,
4060 call build_base_path with flag_delete_null_pointer_checks as nonnull
4061 instead of always false. When -fsanitize=null, call
4062 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
4063 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
4064 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
4066 2018-01-03 Nathan Sidwell <nathan@acm.org>
4069 * method.c (make_alias_for): Copy DECL_CONTEXT.
4071 2018-01-03 Marek Polacek <polacek@redhat.com>
4074 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4076 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4078 PR preprocessor/83602
4079 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4083 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4084 error_mark_node, return error_mark_node.
4086 Update copyright years.
4088 2018-01-02 Jakub Jelinek <jakub@redhat.com>
4091 * tree.c (replace_placeholders_r): Pass NULL as last argument to
4092 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
4093 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4094 to false and return.
4095 (replace_placeholders): Pass NULL instead of &pset as last argument
4098 2018-01-02 Nathan Sidwell <nathan@acm.org>
4100 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4103 Copyright (C) 2018 Free Software Foundation, Inc.
4105 Copying and distribution of this file, with or without modification,
4106 are permitted in any medium without royalty provided the copyright
4107 notice and this notice are preserved.