1 2018-08-29 Jakub Jelinek <jakub@redhat.com>
4 * decl.c (begin_destructor_body): If current_class_type has
5 virtual bases and the primary base is nearly empty virtual base,
6 voidify clearing of vptr and make it conditional on in-charge
9 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
12 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
13 returns error_mark_node early exit the loop.
14 (cp_parser_template_introduction): Improve error-recovery, remove
15 error call about empty introduction-list.
17 2018-08-29 David Malcolm <dmalcolm@redhat.com>
20 * call.c (print_conversion_rejection): Add "fn" param and use it
21 for "no known conversion" messages to underline the pertinent
23 (print_z_candidate): Supply "fn" to the new param above.
25 2018-08-29 Jakub Jelinek <jakub@redhat.com>
28 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
29 processing_template_decl and decl is structured binding decl, call
32 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
35 * decl.c (finish_case_label): If the type is erroneous early
36 return error_mark_node.
38 2018-08-27 David Malcolm <dmalcolm@redhat.com>
41 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
44 2018-08-27 Jakub Jelinek <jakub@redhat.com>
47 * cp-tree.h (cxx_readonly_error): Add location_t argument.
48 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
49 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
50 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
51 pass LOC to it. Formatting fixes.
52 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
53 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
54 * semantics.c (finish_asm_stmt): Pass input_location to
57 2018-08-27 David Malcolm <dmalcolm@redhat.com>
60 * decl.c (grokdeclarator): Update for conversion of show_caret_p
62 * error.c (cp_printer): Likewise.
63 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
64 maybe_add_include_fixit to suggest overriding the location, as it
66 * parser.c (cp_parser_string_literal): Update for conversion of
67 show_caret_p to a tri-state.
68 (cp_parser_elaborated_type_specifier): Likewise.
69 (set_and_check_decl_spec_loc): Likewise.
70 * pt.c (listify): Update call to maybe_add_include_fixit to not
71 override the location, as it is for an error.
72 * rtti.c (typeid_ok_p): Likewise.
74 2018-08-27 Martin Liska <mliska@suse.cz>
76 * call.c (build_call_a): Use new function
77 fndecl_built_in_p and remove check for FUNCTION_DECL if
79 (build_cxx_call): Likewise.
80 * constexpr.c (constexpr_fn_retval): Likewise.
81 (cxx_eval_builtin_function_call): Likewise.
82 (cxx_eval_call_expression): Likewise.
83 (potential_constant_expression_1): Likewise.
84 * cp-gimplify.c (cp_gimplify_expr): Likewise.
86 * decl.c (decls_match): Likewise.
87 (validate_constexpr_redeclaration): Likewise.
88 (duplicate_decls): Likewise.
89 (make_rtl_for_nonlocal_decl): Likewise.
90 * name-lookup.c (consider_binding_level): Likewise.
91 (cp_emit_debug_info_for_using): Likewise.
92 * semantics.c (finish_call_expr): Likewise.
93 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
95 2018-08-26 Marek Polacek <polacek@redhat.com>
98 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
100 PR c++/87029, Implement -Wredundant-move.
101 * typeck.c (treat_lvalue_as_rvalue_p): New function.
102 (maybe_warn_pessimizing_move): Call convert_from_reference.
103 Warn about redundant moves.
105 2018-08-24 Marek Polacek <polacek@redhat.com>
109 * decl.c (grokdeclarator): Disallow functions with trailing return
110 type with decltype(auto) as its type. Also check the function if
111 it's inner declarator doesn't exist
113 2018-08-21 Marek Polacek <polacek@redhat.com>
116 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
117 lambda has a capture-default.
119 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
121 * decl.c (check_static_variable_definition): Change to return void.
123 2018-08-21 Marek Polacek <polacek@redhat.com>
125 PR c++/86981, Implement -Wpessimizing-move.
126 * typeck.c (decl_in_std_namespace_p): New.
127 (is_std_move_p): New.
128 (maybe_warn_pessimizing_move): New.
129 (can_do_nrvo_p): New, factored out of ...
130 (check_return_expr): ... here. Warn about potentially harmful
131 std::move in a return statement.
134 * call.c (standard_conversion): Set check_narrowing.
135 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
136 than comparing with INTEGER_TYPE.
138 * cp-tree.h: Fix typo.
140 2018-08-20 David Malcolm <dmalcolm@redhat.com>
143 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
145 (print_error_for_call_failure): Likewise.
146 (build_op_call_1): Likewise.
147 (build_conditional_expr_1): Likewise.
148 (build_new_op_1): Likewise.
149 (build_op_delete_call): Likewise.
150 (convert_like_real): Likewise.
151 (build_over_call): Likewise.
152 (build_new_method_call_1): Likewise.
154 * class.c (check_tag): Likewise.
155 (finish_struct_anon_r): Likewise.
156 (one_inherited_ctor): Likewise.
157 (finalize_literal_type_property): Likewise.
158 (explain_non_literal_class): Likewise.
159 (find_flexarrays): Likewise.
160 (resolve_address_of_overloaded_function): Likewise.
161 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
162 (is_valid_constexpr_fn): Likewise.
163 (cx_check_missing_mem_inits): Likewise.
164 * cp-gimplify.c (cp_genericize_r): Likewise.
165 * cvt.c (maybe_warn_nodiscard): Likewise.
166 * decl.c (warn_extern_redeclared_static): Likewise.
167 (check_redeclaration_exception_specification): Likewise.
168 (check_no_redeclaration_friend_default_args): Likewise.
169 (duplicate_decls): Likewise.
170 (redeclaration_error_message): Likewise.
171 (warn_misplaced_attr_for_class_type): Likewise.
172 * decl2.c (finish_static_data_member_decl): Likewise.
173 (no_linkage_error): Likewise.
174 (cp_warn_deprecated_use): Likewise.
175 * error.c (qualified_name_lookup_error): Likewise.
176 * friend.c (make_friend_class): Likewise.
177 (do_friend): Likewise.
178 * init.c (perform_member_init): Likewise.
179 (build_new_1): Likewise.
180 (build_vec_delete_1): Likewise.
181 (build_delete): Likewise.
182 * lex.c (unqualified_name_lookup_error): Likewise.
183 * name-lookup.c (check_extern_c_conflict): Likewise.
184 (inform_shadowed): New function.
185 (check_local_shadow): Add auto_diagnostic_group instances,
186 replacing goto "inform_shadowed" label with call to subroutine.
187 (set_local_extern_decl_linkage): Add auto_diagnostic_group
189 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
190 (cp_parser_namespace_name): Likewise.
191 * pt.c (check_specialization_namespace): Likewise.
192 (check_template_variable): Likewise.
193 (warn_spec_missing_attributes): Likewise.
194 (check_explicit_specialization): Likewise.
195 (process_partial_specialization): Likewise.
196 (lookup_template_class_1): Likewise.
197 (finish_template_variable): Likewise.
198 (do_auto_deduction): Likewise.
199 * search.c (check_final_overrider): Likewise.
200 (look_for_overrides_r): Likewise.
201 * tree.c (maybe_warn_parm_abi): Likewise.
202 * typeck.c (cxx_sizeof_expr): Likewise.
203 (cp_build_function_call_vec): Likewise.
204 (cp_build_binary_op): Likewise.
205 (convert_for_assignment): Likewise.
206 (maybe_warn_about_returning_address_of_local): Likewise.
207 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
208 (check_narrowing): Likewise.
210 2018-08-17 David Malcolm <dmalcolm@redhat.com>
212 * typeck.c (string_conv_p): Extract location from EXP and use it
213 in preference to input_location when issuing warnings.
215 2018-08-15 David Malcolm <dmalcolm@redhat.com>
217 * call.c: Include "gcc-rich-location.h".
218 (convert_like_real): Add range label for "invalid conversion"
220 (perform_implicit_conversion_flags): Add type label to the
221 "could not convert" error.
222 * error.c: Include "gcc-rich-location.h".
223 (range_label_for_type_mismatch::get_text): New function.
224 * typeck.c (convert_for_assignment): Add type label to
225 the "cannot convert" error if a location is available.
227 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
229 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
230 emit an error instead of a permerror.
232 2018-08-13 Marek Polacek <polacek@redhat.com>
235 * call.c (struct conversion): Add check_narrowing_const_only.
236 (build_converted_constant_expr): Set check_narrowing and
237 check_narrowing_const_only. Give error if expr is error node.
238 (convert_like_real): Pass it to check_narrowing.
239 * cp-tree.h (check_narrowing): Add a default parameter.
240 * decl.c (compute_array_index_type): Use input_location instead of
242 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
243 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
244 expressions. Call maybe_constant_value instead of
245 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
246 narrowing for constants if CONST_ONLY.
248 2018-08-13 Martin Sebor <msebor@redhat.com>
250 PR tree-optimization/71625
251 * decl.c (check_initializer): Call braced_list_to_string.
252 (eval_check_narrowing): New function.
253 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
254 as initilizers for all narrow character types.
256 2018-08-13 Marek Polacek <polacek@redhat.com>
258 P0806R2 - Deprecate implicit capture of this via [=]
259 * lambda.c (add_default_capture): Formatting fixes. Warn about
260 deprecated implicit capture of this via [=].
263 * decl.c (create_array_type_for_decl): Handle null name.
265 2018-08-10 Jason Merrill <jason@redhat.com>
267 PR c++/86728 - C variadic generic lambda.
268 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
269 a pack if it's followed by a declarator-id.
271 2018-08-08 Jakub Jelinek <jakub@redhat.com>
273 P0595R1 - is_constant_evaluated
274 * cp-tree.h (enum cp_built_in_function): New.
275 (maybe_constant_init): Add pretend_const_required argument.
276 * typeck2.c (store_init_value): Pass true as new argument to
278 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
279 for BUILT_IN_UNREACHABLE.
280 (struct constexpr_ctx): Add pretend_const_required field.
281 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
282 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
283 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
284 (cxx_eval_outermost_constant_expr): Add pretend_const_required
285 argument, initialize pretend_const_required field in ctx. If the
286 result is TREE_CONSTANT and non_constant_p, retry with
287 pretend_const_required false if it was true.
288 (is_sub_constant_expr): Initialize pretend_const_required_field in
290 (cxx_constant_value): Pass true as pretend_const_required to
291 cxx_eval_outermost_constant_expr.
292 (maybe_constant_value): Pass false as pretend_const_required to
293 cxx_eval_outermost_constant_expr.
294 (fold_non_dependent_expr): Likewise.
295 (maybe_constant_init_1): Add pretend_const_required argument, pass it
296 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
297 instead of false as strict to cxx_eval_outermost_constant_expr.
298 (maybe_constant_init): Add pretend_const_required argument, pass it
299 down to maybe_constant_init_1.
300 (cxx_constant_init): Pass true as pretend_const_required to
301 maybe_constant_init_1.
302 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
303 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
304 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
305 * decl.c: Include langhooks.h.
306 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
308 * tree.c (builtin_valid_in_constant_expr_p): Return true for
309 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
310 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
313 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
314 before tsubst_init, not after it.
317 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
318 NULL pointer set *non_constant_p to true.
319 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
320 set *non_constant_p to true and return t.
322 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
325 * decl.c (check_no_redeclaration_friend_default_args): New.
326 (duplicate_decls): Use the latter; also check that a friend
327 declaration specifying default arguments is a definition.
329 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
332 * name-lookup.c (check_local_shadow): Reject captures and parameters
335 2018-08-06 Marek Polacek <polacek@redhat.com>
338 * constexpr.c (cxx_eval_statement_list): Handle continue.
340 2018-08-03 David Malcolm <dmalcolm@redhat.com>
341 Jonathan Wakely <jwakely@redhat.com>
343 * decl.c: Include "gcc-rich-location.h".
344 (add_return_star_this_fixit): New function.
345 (finish_function): When warning about missing return statements in
346 functions returning non-void, add a "return *this;" fix-it hint for
347 assignment operators.
349 2018-08-03 Jason Merrill <jason@redhat.com>
352 * class.c (build_base_path): Use currently_open_class.
354 2018-08-02 David Malcolm <dmalcolm@redhat.com>
356 * error.c (cxx_print_error_function): Duplicate "file" before
357 passing it to pp_set_prefix.
358 (cp_print_error_function): Use pp_take_prefix when saving the
361 2018-08-02 Richard Biener <rguenther@suse.de>
364 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
365 to the CLASSTYPE_AS_BASE.
367 2018-08-01 Martin Sebor <msebor@redhat.com>
369 PR tree-optimization/86650
370 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
371 TREE_BLOCK (t) from within percent_K_format to this callsite.
373 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
376 * class.c (note_name_declared_in_class): Use location_of in permerror
377 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
379 2018-07-31 Tom de Vries <tdevries@suse.de>
382 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
384 2018-07-31 Jakub Jelinek <jakub@redhat.com>
386 P1008R1 - prohibit aggregates with user-declared constructors
387 * class.c (check_bases_and_members): For C++2a set
388 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
389 type_has_user_provided_or_explicit_constructor.
391 2018-07-31 Martin Liska <mliska@suse.cz>
394 * parser.c (cp_parser_condition): Initialize non_constant_p
397 2018-07-28 David Malcolm <dmalcolm@redhat.com>
399 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
400 into alphabetical order, and add missing "%G" and "%K". Within
401 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
402 cases are in alphabetical order.
404 2018-07-25 Jakub Jelinek <jakub@redhat.com>
406 * cp-tree.h (enum cp_tree_index): Add
407 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
408 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
409 (abi_tag_identifier, aligned_identifier, begin_identifier,
410 end_identifier, get__identifier, gnu_identifier,
411 tuple_element_identifier, tuple_size_identifier, type_identifier,
412 value_identifier, fun_identifier, closure_identifier): Define.
413 * decl.c (initialize_predefined_identifiers): Initialize the above
415 (get_tuple_size): Use tuple_size_identifier instead of
416 get_identifier ("tuple_size") and value_identifier instead of
417 get_identifier ("value").
418 (get_tuple_element_type): Use tuple_element_identifier instead of
419 get_identifier ("tuple_element") and type_identifier instead of
420 get_identifier ("type").
421 (get_tuple_decomp_init): Use get__identifier instead of
422 get_identifier ("get").
423 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
424 get_identifier ("_FUN").
425 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
426 instead of get_identifier ("__closure").
427 (cp_parser_std_attribute): Use gnu_identifier instead of
428 get_identifier ("gnu").
429 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
430 instead of get_identifier ("aligned").
431 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
432 abi_tag_identifier instead of get_identifier ("abi_tag").
435 * cp-tree.h (enum cp_tree_index): Add
436 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
437 (for_range__identifier, for_begin__identifier, for_end__identifier,
438 for_range_identifier, for_begin_identifier, for_end_identifier):
440 * decl.c (initialize_predefined_identifiers): Initialize
441 for_{range,begin,end}{,_}_identifier.
442 * parser.c (build_range_temp): Use for_range__identifier instead of
443 get_identifier ("__for_range").
444 (cp_convert_range_for): Use for_begin__identifier and
445 for_end__identifier instead of get_identifier ("__for_begin") and
446 get_identifier ("__for_end").
447 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
448 local symbols to "__for_{range,begin,end}".
450 2018-07-23 Jakub Jelinek <jakub@redhat.com>
453 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
454 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
455 or warn_nonnull_compare.
457 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
459 Revert fix for c++/59480 (and testsuite followup)
461 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
464 * decl.c (check_no_redeclaration_friend_default_args): New.
465 (duplicate_decls): Use the latter; also check that a friend
466 declaration specifying default arguments is a definition.
468 2018-07-18 Jakub Jelinek <jakub@redhat.com>
471 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
472 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
474 2018-07-18 Marek Polacek <polacek@redhat.com>
476 PR c++/86190 - bogus -Wsign-conversion warning
477 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
480 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
483 * decl.c (check_no_redeclaration_friend_default_args): New.
484 (duplicate_decls): Use the latter; also check that a friend
485 declaration specifying default arguments is a definition.
487 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
489 * class.c (note_name_declared_in_class): Prefer permerror + inform
490 to a pair of permerrors; use DECL_SOURCE_LOCATION.
492 2018-07-18 Richard Biener <rguenther@suse.de>
495 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
496 start_static_storage_duration_function sets current_function_decl.
498 2018-07-17 Jason Merrill <jason@redhat.com>
500 PR c++/86480 - nested variadic lambda and constexpr if.
501 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
503 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
504 cp_unevaluated_operand.
505 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
507 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
509 * class.c (resolve_address_of_overloaded_function): Don't emit an
510 inform if the matching permerror returns false.
511 * pt.c (check_specialization_namespace): Likewise.
513 2018-07-16 Jakub Jelinek <jakub@redhat.com>
517 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
518 in TREE_USED flag from stmt to h->to.
520 2018-07-13 Nathan Sidwell <nathan@acm.org>
523 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
524 contexts that are classes.
525 * parser.c (cp_parser_template_id): Combine entering_scope decl &
528 2018-07-12 Jakub Jelinek <jakub@redhat.com>
530 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
531 type here, instead add "omp declare target implicit" attribute. Add
532 that attribute instead of "omp declare target" also when
533 processing_template_decl.
534 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
535 and before calling cp_omp_mappable_type call complete_type.
537 2018-07-10 Jakub Jelinek <jakub@redhat.com>
540 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
544 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
545 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
546 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
547 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
548 TREE_LIST for both the original class iterator and the "last" helper
551 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
553 * decl.c (grokdeclarator): Use rich_location::add_range in three
554 more places; include gcc-rich-location.h.
556 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
558 * decl.c (build_enumerator): Change overflow type to overflow_type.
559 * init.c (build_new_1): Same.
561 2018-07-05 Nathan Sidwell <nathan@acm.org>
563 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
564 NO_IMPLICIT_EXTERN_C.
565 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
567 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
570 * method.c (is_trivially_xible): Return false
571 if is_xible_helper returns a NULL_TREE.
573 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
575 * decl.c (min_location): New.
576 (smallest_type_quals_location): Use the latter.
577 (check_concept_fn): Use DECL_SOURCE_LOCATION.
578 (grokdeclarator): Use accurate locations in a number of error
579 messages involving ds_thread, ds_storage_class, ds_virtual,
580 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
582 2018-07-03 Marek Polacek <polacek@redhat.com>
585 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
587 2018-07-03 Jason Merrill <jason@redhat.com>
589 PR c++/86378 - functional cast in noexcept-specifier.
590 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
592 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
594 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
595 in error message about __thread and thread_local at the same time.
597 2018-06-29 Marek Polacek <polacek@redhat.com>
600 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
602 2018-06-28 David Malcolm <dmalcolm@redhat.com>
604 * parser.c (cp_parser_error_1): After issuing a conflict marker
605 error, consume tokens until the end of the source line.
607 2018-06-28 Jason Merrill <jason@redhat.com>
609 PR c++/86342 - -Wdeprecated-copy and system headers.
610 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
613 2018-06-27 David Malcolm <dmalcolm@redhat.com>
616 * name-lookup.c (consider_binding_level): Filter out names that
617 match anon_aggrname_p.
619 2018-06-27 Jason Merrill <jason@redhat.com>
621 * name-lookup.c (do_pushtag): If we skip a class level, also skip
624 2018-06-26 Jason Merrill <jason@redhat.com>
626 PR c++/86320 - memory-hog with std::array of pair
627 * typeck2.c (process_init_constructor_array): Only compute a
628 constant initializer once.
630 PR c++/80290 - memory-hog with std::pair.
631 * pt.c (fn_type_unification): Add convs parameter.
632 (check_non_deducible_conversion): Remember conversion.
633 (check_non_deducible_conversions): New. Do checks here.
634 (type_unification_real): Not here. Remove flags parm.
635 * call.c (add_function_candidate): Make convs a parameter.
636 Don't recalculate the conversion if it's already set.
637 (add_template_candidate_real): Allocate convs here.
638 (good_conversion, conv_flags): New.
640 2018-06-26 Jakub Jelinek <jakub@redhat.com>
643 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
644 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
646 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
648 * decl.c (bad_specifiers): Add const location_t* parameter and
649 use locations in error messages about 'inline' and 'virtual'.
650 (mark_inline_variable): Add location_t parameter and use it in
651 error_at and pedwarn messages.
652 (grokdeclarator): Use declspecs->locations[ds_constexpr],
653 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
654 declspecs->locations[ds_inline] in many error messages; adjust
655 bad_specifiers and mark_inline_variable calls.
656 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
658 2018-06-22 Jason Merrill <jason@redhat.com>
660 PR c++/86219 - ICE with erroneous initializer in template.
661 * constexpr.c (fold_non_dependent_expr): Add complain parm.
662 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
664 * call.c (build_cxx_call): Don't mess with builtins in a template.
665 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
666 produce a constant value, go back to the uninstantiated form.
668 Avoid taking the address of something just because it's in parens.
669 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
670 (cxx_fold_indirect_ref): Use it.
671 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
672 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
673 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
674 static_cast to reference type.
675 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
677 2018-06-21 Jason Merrill <jason@redhat.com>
679 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
681 * name-lookup.c (do_push_to_top_level): Don't allocate
683 (do_pop_from_top_level): Release current_lang_base.
685 Let -fmem-report see callers of cxx_make_type.
686 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
687 (make_class_type): Likewise.
688 (cxx_make_type_hook): New.
689 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
691 2018-06-20 Nathan Sidwell <nathan@acm.org>
694 * friend.c (add_friend): Keep lookup sets of tempate sets.
696 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
698 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
699 tidy handling of a null location_t argument; use proper location
700 information in a few additional error messages.
701 (grokdeclarator): Update calls.
703 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
704 Thomas Schwinge <thomas@codesourcery.com>
705 Cesar Philippidis <cesar@codesourcery.com>
707 * parser.c (cp_parser_omp_clause_name): Add support for finalize
708 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
709 to their non-present_or_* counterparts. Make 'self' an alias to
710 PRAGMA_OACC_CLAUSE_HOST.
711 (cp_parser_oacc_data_clause): Update GOMP mappings for
712 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
713 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
714 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
715 Remove support for present_or_* clauses.
716 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
717 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
718 (OACC_DECLARE_CLAUSE_MASK): Likewise.
719 (OACC_DATA_CLAUSE_MASK): Likewise.
720 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
721 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
722 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
723 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
724 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
725 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
727 2018-06-20 Marek Polacek <polacek@redhat.com>
730 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
731 (fold_simple_1): Likewise.
732 * error.c (dump_expr): Likewise.
734 2018-06-20 Nathan Sidwell <nathan@acm.org>
737 * cp-tree.h (lookup_keep): Drop KEEP parm.
738 (lookup_list_keep): Delete.
739 (maybe_get_fns): Declare.
740 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
741 (cp_parser_template_id): Not here ...
742 * decl.c (cp_finish_decl): ... nor here ...
743 * init.c (build_raw_new_expr): ... nor here ...
744 * pt.c (process_template_parm): ... nor here ...
745 * semantics.c (perform_koenig_lookup): Call lookup_keep.
746 (finish_call_expr): Not here.
747 * tree.c (ovl_cache): Delete.
748 (ovl_make, ovl_copy): No cache.
749 (lookup_keep): Always keep.
750 (lookup_list_keep): Delete.
751 (maybe_get_fns): New, broken out of ...
752 (get_fns): ... here. Call it.
753 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
754 (build_min_nt_call_vec): Likewise.
756 2018-06-19 Jason Merrill <jason@redhat.com>
758 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
759 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
761 PR c++/86182 - ICE with anonymous union passed to template.
762 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
763 used to declare a named variable.
765 2018-06-18 Jason Merrill <jason@redhat.com>
767 * tree.c (cp_expr_location): New.
768 * cp-tree.h (cp_expr_loc_or_loc): New.
769 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
770 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
771 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
773 * parser.c (cp_parser_lambda_expression): Use a range for
774 LAMBDA_EXPR_LOCATION.
776 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
777 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
780 PR c++/81060 - ICE with unexpanded parameter pack.
781 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
782 * decl.c (grokdeclarator): Call it for qualifying_scope.
784 PR c++/86171 - ICE with recursive alias instantiation.
785 * pt.c (tsubst_decl): Handle recursive alias instantiation.
787 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
789 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
790 in errors about redefined default arguments; tidy.
792 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
794 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
795 * cp-gimplify.c (cp_fold): Likewise.
797 2018-06-15 Jason Merrill <jason@redhat.com>
799 PR c++/86147 - wrong capture for template argument.
800 * expr.c (mark_use): Look through NOP_EXPR.
802 * name-lookup.c (do_pushtag): Don't look through complete types, but
803 don't add to them either. Get context from current_binding_level.
804 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
806 * decl.c (start_enum): Do compare dependent underlying type.
808 PR c++/82882 - ICE with lambda in template default argument.
809 * lambda.c (record_null_lambda_scope): New.
810 * pt.c (tsubst_lambda_expr): Use it.
811 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
812 function that isn't open.
814 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
816 2018-06-14 Marek Polacek <polacek@redhat.com>
819 * decl2.c (cp_check_const_attributes): Skip trees that are not
822 2018-06-14 Jakub Jelinek <jakub@redhat.com>
824 P0624R2 - Default constructible and assignable stateless lambdas
825 * method.c (synthesized_method_walk): For C++2a don't mark
826 sfk_constructor or sfk_copy_assignment as deleted if lambda has
829 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
831 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
832 OPT_Wshadow warning_at.
833 (grokfndecl): Consistently use the location_t argument in
834 literal operator diagnostic messages.
835 (grokdeclarator): Use declspecs->locations[ds_storage_class]
837 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
840 2018-06-13 Jason Merrill <jason@redhat.com>
842 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
843 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
846 PR c++/86094 - wrong code with defaulted move ctor.
847 * class.c (classtype_has_non_deleted_move_ctor): New.
848 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
851 2018-06-12 Jason Merrill <jason@redhat.com>
853 PR c++/86098 - ICE with template placeholder for TTP.
854 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
855 CLASS_PLACEHOLDER_TEMPLATE.
857 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
859 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
860 parameter and adjust error_at calls.
861 * decl.c (grok_op_properties): Adjust calls.
862 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
864 2018-06-12 Marek Polacek <polacek@redhat.com>
866 Core issue 1331 - const mismatch with defaulted copy constructor
867 * class.c (check_bases_and_members): When checking a defaulted
868 function, mark it as deleted rather than giving an error.
870 2018-06-11 Jason Merrill <jason@redhat.com>
872 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
873 * class.c (maybe_warn_about_overly_private_class): Handle inherited
876 PR c++/85963 - -Wunused-but-set with ?: in template.
877 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
879 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
881 * decl.c (grok_op_properties): Consistently use the location
882 of the decl; remove special casing of POSTINCREMENT_EXPR and
883 POSTDECREMENT_EXPR wrt default arguments.
885 2018-06-05 Jason Merrill <jason@redhat.com>
887 * constexpr.c (cxx_eval_binary_expression): Special case comparison
888 of pointers to members of the same union.
890 2018-06-11 Jason Merrill <jason@redhat.com>
892 PR c++/86094 - wrong code with defaulted move ctor.
893 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
895 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
897 * decl.c (grokfndecl): Use the location_t argument in two more places.
899 2018-06-06 Marek Polacek <polacek@redhat.com>
902 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
903 deduction from the list elements.
904 (type_unification_real): Check convertibility of list elements.
906 2018-06-06 Jason Merrill <jason@redhat.com>
908 PR c++/86060 - ICE on range for with -std=c++98.
909 * parser.c (cp_parser_init_statement): Don't clobber *decl after
912 PR c++/85710 - ICE with -Wmemset-elt-size.
913 * semantics.c (finish_call_expr): Call warn_for_memset here.
914 * parser.c (cp_parser_postfix_expression): Not here.
915 (literal_integer_zerop): No longer static.
916 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
918 2018-06-05 Marek Polacek <polacek@redhat.com>
921 * tree.c (cp_tree_equal): Handle USING_DECL.
923 2018-06-05 Jason Merrill <jason@redhat.com>
925 PR c++/85731 - wrong error with qualified-id in template.
926 * semantics.c (finish_qualified_id_expr): build_qualified_name
927 for unbound names in the current class.
929 2018-06-04 Jason Merrill <jason@redhat.com>
931 PR c++/61806 - missed SFINAE with partial specialization.
932 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
933 parameter to constructor.
934 * pt.c (instantiate_class_template_1): Enable access checking
935 before call to most_specialized_partial_spec.
937 PR c++/85765 - SFINAE and non-type default template arg.
938 * pt.c (type_unification_real): Do full semantic processing if
939 substituting a partial args list replaces all template parms.
941 2018-06-03 Jason Merrill <jason@redhat.com>
943 PR c++/85739 - ICE with pointer to member template parm.
944 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
946 2018-06-02 Jason Merrill <jason@redhat.com>
948 PR c++/85761 - ICE with ill-formed use of const outer variable.
949 * expr.c (mark_use): Handle location wrappers.
951 2018-06-01 Jason Merrill <jason@redhat.com>
953 PR c++/85764 - bogus 'this' not captured error.
954 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
955 (nonlambda_method_basetype): Handle NSDMI.
957 CWG 1581: When are constexpr member functions defined?
958 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
959 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
961 PR c++/58281 - explicit instantiation of constexpr
962 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
964 * pt.c (instantiate_decl): Any defaulted function is defined.
966 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
969 * call.c (resolve_args): Use location of expression, not current input
972 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
974 Do not warn about zero-as-null when NULL is used.
975 * call.c (conversion_null_warnings): Check for pointer
976 types converted from zero constants.
977 (convert_like_real): Add a warning sentinel at the end.
978 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
981 2018-05-30 Jason Merrill <jason@redhat.com>
983 PR c++/85807 - ICE with call in template NSDMI.
984 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
985 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
987 PR c++/85873 - constant initializer_list array not in .rodata.
988 * tree.c (build_target_expr): Set TREE_READONLY.
989 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
991 * parser.c (cp_parser_check_condition_declarator): Handle
994 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
996 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
997 of using it in dead store.
999 2018-05-29 Jason Merrill <jason@redhat.com>
1001 PR c++/67445 - returning temporary initializer_list.
1002 PR c++/67711 - assigning from temporary initializer_list.
1003 PR c++/48562 - new initializer_list.
1004 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1005 about returning local initializer_list.
1006 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1007 * call.c (build_over_call): Warn about assignment from temporary
1009 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1010 (find_list_begin, maybe_warn_list_ctor): New.
1011 (perform_member_init): Use maybe_warn_list_ctor.
1013 2018-05-29 Marek Polacek <polacek@redhat.com>
1016 * init.c (build_new): Handle deducing a class with new
1017 with more than one argument.
1019 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1022 * init.c (build_aggr_init): For structured binding initialized from
1023 array call mark_rvalue_use on the initializer.
1025 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1027 * decl2.c (start_static_storage_duration_function): Use
1028 splay_tree_delete_pointers.
1030 2018-05-25 Jason Merrill <jason@redhat.com>
1032 PR c++/85815 - reference to member of enclosing template.
1033 * search.c (lookup_base): Use currently_open_class.
1034 (lookup_member): Use it regardless of -fconcepts.
1035 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1037 CWG 616, 1213 - value category of subobject references.
1038 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1040 2018-05-24 Jason Merrill <jason@redhat.com>
1042 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1043 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1046 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1048 Pedwarn on a non-standard position of a C++ attribute.
1049 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1050 after the namespace name.
1052 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1054 * cp-tree.h (INDIRECT_TYPE_P): New.
1055 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1056 joust): Use it instead of POINTER_TYPE_P.
1057 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1058 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1059 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1060 * cxx_eval_increment_expression, potential_constant_expression_1):
1062 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1063 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1064 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1065 cp_ubsan_maybe_instrument_downcast): Likewise.
1066 * cvt.c (cp_convert_to_pointer, ocp_convert,
1067 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1068 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1069 pp_cxx_offsetof_expression_1): Likewise.
1070 * decl.c (grokparms, static_fn_type): Likewise.
1071 * decl2.c (grokbitfield): Likewise.
1072 * error.c (dump_expr): Likewise.
1073 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1074 * init.c (warn_placement_new_too_small): Likewise.
1075 * lambda.c (build_capture_proxy, add_capture): Likewise.
1076 * parser.c (cp_parser_omp_for_loop): Likewise.
1077 * pt.c (convert_nontype_argument, fn_type_unification,
1078 uses_deducible_template_parms, check_cv_quals_for_unify,
1079 dependent_type_p_r): Likewise.
1080 * search.c (check_final_overrider): Likewise.
1081 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1082 finish_omp_for): Likewise.
1083 * tree.c (cp_build_qualified_type_real): Likewise.
1084 * typeck.c (build_class_member_access_expr,
1085 finish_class_member_access_expr, build_x_indirect_ref,
1086 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1089 2018-05-24 Jason Merrill <jason@redhat.com>
1091 PR c++/85864 - literal template and default template arg.
1092 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1094 2018-05-24 Marek Polacek <polacek@redhat.com>
1097 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1098 variable for its result. Fix a condition.
1099 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1101 2018-05-23 Jason Merrill <jason@redhat.com>
1103 Fix cast to rvalue reference from prvalue.
1104 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1105 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1106 non-class type. Handle xvalue argument.
1107 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1109 * semantics.c (finish_compound_literal): Do direct-initialization,
1110 not cast, to initialize a reference.
1112 CWG 616, 1213 - value category of subobject references.
1113 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1115 * typeck2.c (build_m_component_ref): Likewise.
1116 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1117 distinction between temporary and xvalue.
1119 2018-05-23 Marek Polacek <polacek@redhat.com>
1121 Implement P0614R1, Range-based for statements with initializer.
1122 * parser.c (cp_parser_range_based_for_with_init_p): New.
1123 (cp_parser_init_statement): Use it. Parse the optional init-statement
1124 for a range-based for loop.
1125 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1127 2018-05-22 Jason Merrill <jason@redhat.com>
1129 PR c++/81420 - not extending temporary lifetime.
1130 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1131 * class.c (build_base_path): Avoid redundant move of an rvalue.
1133 PR c++/85866 - error with .* in default template arg.
1134 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1136 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1138 * parser.c (cp_parser_parameter_declaration_list): Remove
1140 (cp_parser_parameter_declaration_clause): Adjust.
1141 (cp_parser_cache_defarg): Likewise.
1143 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1146 * parser.c (cp_parser_maybe_commit_to_declaration,
1147 cp_parser_check_condition_declarator): New.
1148 (cp_parser_simple_declaration): Use the first above.
1149 (cp_parser_condition): Use both the above; enforce
1150 [stmt.stmt]/2 about the declarator not specifying
1151 a function or an array; improve error-recovery.
1153 2018-05-20 Jason Merrill <jason@redhat.com>
1155 PR libstdc++/85843 - warning in logic_error copy constructor.
1156 * class.c (type_has_user_nondefault_constructor): Check for a
1157 user-provided ctor, not user-declared.
1159 2018-05-19 Jason Merrill <jason@redhat.com>
1161 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1162 on __integer_pack as subexpression of pattern.
1164 2018-05-18 Jason Merrill <jason@redhat.com>
1166 PR c++/58407 - deprecated implicit copy ops.
1167 * call.c (build_over_call): Warn about deprecated trivial fns.
1168 * class.c (classtype_has_user_copy_or_dtor): New.
1169 (type_build_ctor_call): Check TREE_DEPRECATED.
1170 (type_build_dtor_call): Likewise.
1171 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1172 Add checks. Return bool. Handle -Wdeprecated-copy.
1173 (mark_used): Use it.
1174 * decl.c (grokdeclarator): Remove redundant checks.
1175 * typeck2.c (build_functional_cast): Likewise.
1176 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1177 * init.c (build_aggr_init): Only set TREE_USED if there are
1180 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1183 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1186 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1188 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1189 (potential_constant_expression_1): Likewise.
1191 2018-05-16 Marek Polacek <polacek@redhat.com>
1194 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1195 * tree.c (bot_manip): Call set_flags_from_callee for
1196 AGGR_INIT_EXPRs too.
1198 2018-05-15 Jason Merrill <jason@redhat.com>
1200 * cp-tree.h (cp_expr): Remove copy constructor.
1201 * mangle.c (struct releasing_vec): Declare copy constructor.
1203 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1205 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1206 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1207 is a throw-expression.
1209 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1211 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1212 (FOR_EACH_CLONE): Update.
1213 * decl.c (grokdeclarator): Use it.
1214 * decl2.c (vague_linkage_p): Likewise.
1215 * mangle.c (mangle_decl): Likewise.
1216 * method.c (lazily_declare_fn): Likewise.
1217 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1218 * repo.c (repo_emit_p): Likewise.
1219 * tree.c (decl_linkage): Likewise.
1221 2018-05-14 Jason Merrill <jason@redhat.com>
1223 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1224 * tree.c (build_cp_fntype_variant): New.
1225 (build_ref_qualified_type, build_exception_variant)
1226 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1227 (cxx_type_hash_eq, cp_check_qualified_type): Check
1228 TYPE_HAS_LATE_RETURN_TYPE.
1229 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1230 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1231 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1232 (adjust_clone_args): Likewise.
1233 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1234 build_cp_fntype_variant.
1235 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1236 (check_function_type): Use cxx_copy_lang_qualifiers.
1237 (static_fn_type): Use cxx_copy_lang_qualifiers.
1238 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1239 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1240 (change_return_type): Use cxx_copy_lang_qualifiers.
1241 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1242 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1243 return type on the declarator like a normal trailing return type.
1244 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1245 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1246 * typeck.c (merge_types): Use build_cp_fntype_variant.
1248 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1250 * cp-tree.h (TYPE_REF_P): New.
1251 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1252 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1253 direct_reference_binding, reference_binding, implicit_conversion,
1254 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1255 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1256 build_over_call, perform_implicit_conversion_flags,
1257 extend_ref_init_temps, type_has_extended_temps): Use it.
1258 * class.c (one_inheriting_sig, check_field_decls,
1259 check_bases_and_members, find_flexarrays, finish_struct,
1260 fixed_type_or_null): Likewise.
1261 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1262 non_const_var_error, cxx_eval_constant_expression,
1263 potential_constant_expression_1): Likewise.
1264 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1265 cp_genericize_r, cxx_omp_privatize_by_reference,
1266 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1267 cp_fold_maybe_rvalue): Likewise.
1268 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1269 * cvt.c (build_up_reference, convert_to_reference,
1270 convert_from_reference, convert_to_void, noexcept_conv_p,
1271 fnptr_conv_p): Likewise.
1272 * decl.c (poplevel, check_for_uninitialized_const_var,
1273 check_initializer, initialize_local_var, cp_finish_decl,
1274 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1275 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1276 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1277 decl_maybe_constant_var_p): Likewise.
1278 * error.c (dump_type_prefix, dump_expr): Likewise.
1279 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1280 is_admissible_throw_operand_or_catch_parameter): Likewise.
1281 * expr.c (mark_use): Likewise.
1282 * init.c (build_zero_init_1, build_value_init_noctor,
1283 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1284 build_new, build_delete): Likewise.
1285 * lambda.c (build_lambda_object): Likewise.
1286 * mangle.c (write_expression, write_template_arg): Likewise.
1287 * method.c (forward_parm, do_build_copy_constructor,
1288 do_build_copy_assign, build_stub_object, constructible_expr,
1289 walk_field_subobs): Likewise.
1290 * parser.c (cp_parser_omp_for_loop_init,
1291 cp_parser_omp_declare_reduction_exprs,
1292 cp_parser_omp_declare_reduction): Likewise.
1293 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1294 convert_template_argument, tsubst_pack_expansion,
1295 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1296 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1297 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1298 value_dependent_expression_p, build_deduction_guide): Likewise.
1299 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1300 finish_compound_literal, omp_privatize_field,
1301 handle_omp_array_sections_1, handle_omp_array_sections,
1302 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1303 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1304 finish_omp_clauses, finish_decltype_type, capture_decltype,
1305 finish_builtin_launder): Likewise.
1306 * tree.c (lvalue_kind, cp_build_reference_type, move,
1307 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1308 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1309 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1310 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1311 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1312 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1313 convert_for_initialization,
1314 maybe_warn_about_returning_address_of_local, check_return_expr,
1315 cp_type_quals, casts_away_constness, non_reference): Likewise.
1316 * typeck2.c (cxx_readonly_error, store_init_value,
1317 process_init_constructor_record, build_x_arrow, build_functional_cast,
1318 add_exception_specifier): Likewise.
1320 2018-05-14 Jason Merrill <jason@redhat.com>
1322 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1323 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1325 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1328 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1329 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1330 cxx_omp_predetermined_sharing_1. Rename old function to ...
1331 (cxx_omp_predetermined_sharing_1): ... this.
1332 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1333 instead of cxx_omp_predetermined_sharing.
1335 2018-05-10 Jason Merrill <jason@redhat.com>
1337 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1338 (check_static_variable_definition): Allow auto.
1339 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1341 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1342 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1344 Core issue 2310 - conversion to base of incomplete type.
1345 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1347 CWG 2267 - list-initialization of reference temporary
1348 * call.c (reference_binding): List-initializing a reference
1349 temporary is copy-list-initialization.
1351 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1353 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1354 instantiation in template context.
1356 * class.c (vbase_has_user_provided_move_assign): Use
1359 * lambda.c (lambda_expr_this_capture): Improve logic.
1361 * decl.c (make_typename_type): s/parameters/arguments/.
1362 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1363 * pt.c (make_pack_expansion): Correct error message.
1365 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1368 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1369 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1372 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1375 * decl2.c (adjust_var_decl_tls_model): New static function.
1376 (comdat_linkage): Call it on a variable.
1377 (maybe_make_one_only): Likewise.
1379 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1383 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1386 * parser.c (cp_parser_parameter_declaration_list): When the
1387 entire parameter-declaration-list is erroneous maybe call
1388 abort_fully_implicit_template.
1390 2018-05-08 Jason Merrill <jason@redhat.com>
1392 PR c++/85706 - class deduction under decltype
1393 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1394 *walk_subtrees whether or not we walked into the operand.
1395 (type_uses_auto): Only look at deduced contexts.
1397 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1400 * parser.c (cp_parser_parameter_declaration_list): When the
1401 entire parameter-declaration-list is erroneous maybe call
1402 abort_fully_implicit_template.
1404 2018-05-08 Marek Polacek <polacek@redhat.com>
1407 * semantics.c (finish_if_stmt_cond): See through typedefs.
1409 2018-05-07 Jason Merrill <jason@redhat.com>
1411 PR c++/85646 - lambda visibility.
1412 * decl2.c (determine_visibility): Don't mess with template arguments
1413 from the containing scope.
1414 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1417 2018-05-07 Nathan Sidwell <nathan@acm.org>
1419 Remove fno-for-scope
1420 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1421 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1422 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1423 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1424 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1426 * name-lookup.h (struct cp_binding_level): Remove
1427 dead_vars_from_for field.
1428 * cp-lang.c (cp_init_ts): Delete.
1429 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1430 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1431 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1432 (init_shadowed_var_for_decl): Delete.
1433 * decl.c (poplevel): Remove shadowed for var handling.
1434 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1435 * name-lookup.c (find_local_binding): Remove shadowed for var
1437 (check_local_shadow): Likewise.
1438 (check_for_out_of_scope_variable): Delete.
1439 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1441 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1442 * semantics.c (begin_for_scope): Always have a scope.
1443 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1444 (begin_range_for_stmt, finish_id_expression): Likewise.
1446 2018-05-07 Jason Merrill <jason@redhat.com>
1448 PR c++/85618 - ICE with initialized VLA.
1449 * tree.c (vla_type_p): New.
1450 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1451 rather than array_of_runtime_bound_p.
1453 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1455 * cvt.c (ocp_convert): Early handle the special case of a
1456 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1458 2018-05-03 Jason Merrill <jason@redhat.com>
1460 PR c++/85600 - virtual delete failure.
1461 * init.c (build_delete): Always save_expr when deleting.
1463 2018-05-03 Nathan Sidwell <nathan@acm.org>
1465 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1466 * name-lookup.c (do_pushdecl): Likewise.
1468 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1469 Jason Merrill <jason@redhat.com>
1472 * name-lookup.c (check_local_shadow): Don't handle static old
1473 declarations in the block handling locals shadowing locals.
1475 2018-05-01 Jason Merrill <jason@redhat.com>
1477 PR c++/85587 - error with scoped enum in template.
1478 * semantics.c (finish_qualified_id_expr): Don't return an
1479 unqualified IDENTIFIER_NODE.
1481 2018-04-30 Jason Merrill <jason@redhat.com>
1483 PR c++/85580 - extern "C" and local variables
1484 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1486 PR c++/84701 - unsigned typeof.
1487 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1488 of long/short/signed/unsigned.
1490 PR c++/85305 - pack in lambda init-capture.
1491 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1492 check_for_bare_parameter_packs in a subexpression.
1493 (cp_parser_lambda_introducer): Use it.
1495 PR c++/61982 - dead stores to destroyed objects.
1496 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1497 (build_over_call, build_special_member_call): Use it.
1498 * cp-tree.h: Declare it.
1499 * init.c (build_delete): Remove trivial path.
1501 * init.c (build_dtor_call): Use build_special_member_call.
1502 (build_delete): Remove redundant uses of save_addr.
1504 * decl.c (build_clobber_this): Use build_clobber.
1506 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1509 * init.c (build_zero_init_1): For zero initialization of
1510 NULLPTR_TYPE_P type use build_int_cst directly.
1512 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1515 * name-lookup.c (consider_binding_level): Skip compiler-generated
1517 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1518 nested if statements into a series of rejection tests. Reject
1519 lambda-ignored entities as suggestions.
1521 2018-04-27 Jason Merrill <jason@redhat.com>
1523 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1524 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1526 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1529 * decl.c (grokdeclarator): Clear friendp upon definition in local
1530 class definition error.
1532 2018-04-27 Jason Merrill <jason@redhat.com>
1534 PR c++/85545 - ICE with noexcept PMF conversion.
1535 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1537 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1539 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1541 2018-04-27 Nathan Sidwell <nathan@acm.org>
1543 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1545 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1546 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1547 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1548 (dump, print_other_binding_stacks): Remove declarations.
1549 * name-lookup.c (print_other_binding_stack): Make static.
1550 * pt.c (build_template_decl): Make static.
1552 2018-04-26 Jason Merrill <jason@redhat.com>
1554 PR c++/85545 - ICE with noexcept PMF conversion.
1555 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1557 2018-04-25 Nathan Sidwell <nathan@acm.org>
1561 * cp-tree.h (REINTERPRET_CAST_P): New.
1562 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1563 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1564 for non-trivial PTRMEM_CST cases.
1565 * typeck.c (build_nop_reinterpret): New.
1566 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1567 NOP_EXPRs returned by cp_convert.
1569 2018-04-23 Jason Merrill <jason@redhat.com>
1571 PR c++/69560 - wrong alignof(double) on x86.
1572 CWG 1879 - Inadequate definition of alignment requirement.
1573 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1574 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1575 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1576 (cxx_alignof_expr): Pass it.
1577 * parser.c (cp_parser_unary_expression): Pass it.
1578 * pt.c (tsubst_copy): Copy it.
1579 (tsubst_copy_and_build): Pass it.
1580 * decl.c (fold_sizeof_expr): Pass it.
1582 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1583 Jason Merrill <jason@redhat.com>
1585 PR c++/85470 - wrong error with static data member.
1586 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1587 * typeck2.c (store_init_value): Likewise.
1589 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1592 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1593 change refcount member from unsigned char to unsigned short,
1594 add refcount_infinity static data member, adjust comments.
1595 * pt.c (tinst_level::refcount_infinity): Define.
1596 (inc_refcount_use): Remove assert, don't increment if refcount
1597 is already refcount_infinity, adjust comment.
1598 (dec_refcount_use): Remove assert, don't decrement if refcount
1599 is refcount_infinity, adjust comment.
1600 (push_tinst_level_loc): Formatting fix.
1602 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1605 * pt.c (lookup_template_class_1): Check pushtag return value for
1608 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1611 * cp-tree.h (tinst_level::free): Fix whitespace.
1613 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1616 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1617 for error_mark_node.
1619 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1622 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1623 tricks from here to ...
1624 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1625 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1627 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1630 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1631 targs. Add private split_list_p, tree_list_p, and not_list_p
1632 inline const predicates; to_list private member function
1633 declaration; free public member function declaration; list_p,
1634 get_node and maybe_get_node accessors, and refcount data
1635 member. Narrow errors to unsigned short.
1636 * error.c (print_instantiation_full_context): Use new
1638 (print_instantiation_partial_context_line): Likewise. Drop
1639 const from tinst_level-typed parameter.
1640 * mangle.c (mangle_decl_string): Likewise.
1641 * pt.c (freelist): New template class.
1642 (tree_list_freelist_head): New var.
1643 (tree_list_freelist): New fn, along with specializations.
1644 (tinst_level_freelist_head): New var.
1645 (pending_template_freelist_head): Likewise.
1646 (tinst_level_freelist, pending_template_freelist): New fns.
1647 (tinst_level::to_list, tinst_level::free): Define.
1648 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1649 (set_refcount_ptr): New template fn.
1650 (add_pending_template): Adjust for refcounting, freelists and
1652 (neglectable_inst_p): Take a NULL d as a non-DECL.
1653 (limit_bad_template_recursion): Use new accessors.
1654 (push_tinst_level): New overload to create the list.
1655 (push_tinst_level_loc): Make it static, split decl into two
1656 args, adjust tests and initialization to cope with split
1657 lists, use freelist, adjust for refcounting.
1658 (push_tinst_level_loc): New wrapper with the old interface.
1659 (pop_tinst_level): Adjust for refcounting.
1660 (record_last_problematic_instantiation): Likewise.
1661 (reopen_tinst_level): Likewise. Use new accessors.
1662 (instantiate_alias_template): Adjust for split list.
1663 (fn_type_unification): Likewise.
1664 (get_partial_spec_bindings): Likewise.
1665 (instantiate_pending_templates): Use new accessors. Adjust
1666 for refcount. Release pending_template to freelist.
1667 (instantiating_current_function_p): Use new accessors.
1669 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1672 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1673 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1674 if we've seen errors.
1676 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1679 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1680 checking that the use is indeed before the definition.
1681 (macro_use_before_def::macro_use_before_def): Make private.
1682 (macro_use_before_def::~macro_use_before_def): Make private. Move
1683 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1684 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1685 than using new directly.
1687 2018-04-12 Jason Merrill <jason@redhat.com>
1689 PR c++/85356 - ICE with pointer to member function.
1690 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1691 flag_noexcept_type. Build the new spec within the function context.
1692 * except.c (build_noexcept_spec): Do get constant value in templates
1693 if flag_noexcept_type.
1694 * decl.c (check_redeclaration_exception_specification): Don't
1695 instantiate noexcept on a dependent declaration.
1697 2018-04-12 Marek Polacek <polacek@redhat.com>
1700 * constexpr.c (reduced_constant_expression_p): Return false for null
1703 2018-04-11 Marek Polacek <polacek@redhat.com>
1706 * constexpr.c (potential_constant_expression_1): Consider conversions
1707 from classes to literal types potentially constant.
1709 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1712 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1713 the type like TYPE_PTR_OR_PTRMEM_P.
1715 2018-04-10 Jason Merrill <jason@redhat.com>
1717 PR debug/65821 - wrong location for main().
1718 * call.c (clear_location_r, convert_default_arg): Revert.
1719 * tree.c (break_out_target_exprs): Add clear_location parm.
1720 (struct bot_data): New.
1721 (bot_manip): Clear location if requested.
1722 * init.c (get_nsdmi): Pass clear_location.
1724 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1727 * call.c (get_fndecl_argument_location): Make non-static.
1728 * cp-tree.h (get_fndecl_argument_location): New decl.
1729 * typeck.c (convert_for_assignment): When complaining due to
1730 conversions for an argument, show the location of the parameter
1733 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1735 PR c++/85312 - P0962 cleanup
1736 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1739 2018-04-10 Jason Merrill <jason@redhat.com>
1741 PR debug/65821 - wrong location for main().
1742 * call.c (clear_location_r): New.
1743 (convert_default_arg): Use it.
1744 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1746 PR c++/85285 - ICE with flexible array after substitution.
1747 * pt.c (instantiate_class_template_1): Check for flexible array in
1750 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1753 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1754 issue a pedwarn and defer trying to do bindings.
1756 2018-04-09 Jason Merrill <jason@redhat.com>
1758 PR c++/85279 - dump_expr doesn't understand decltype.
1759 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1761 PR c++/85262 - ICE with redundant qualification on constructor.
1762 * call.c (build_new_method_call_1): Move make_args_non_dependent
1763 after A::A() handling.
1765 PR c++/85277 - ICE with invalid offsetof.
1766 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1767 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1769 PR c++/85264 - ICE with excess template-parameter-list.
1770 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1771 parameter. Don't allow an extra template header if true.
1772 (cp_parser_class_head): Pass template_id_p.
1773 (cp_parser_elaborated_type_specifier): Likewise.
1774 (cp_parser_alias_declaration): Likewise.
1775 (cp_parser_check_declarator_template_parameters): Likewise.
1777 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1780 * parser.c (cp_parser_simple_declaration): For structured bindings,
1781 if *maybe_range_for_decl is NULL after parsing it, set it to
1784 2018-04-09 Jason Merrill <jason@redhat.com>
1786 PR c++/85256 - ICE capturing pointer to VLA.
1787 * lambda.c (add_capture): Distinguish between variable-size and
1788 variably-modified types.
1790 2018-04-06 Jason Merrill <jason@redhat.com>
1792 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1793 * pt.c (extract_locals_r): Remember local typedefs.
1795 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1798 * name-lookup.c (struct std_name_hint): Move out of
1799 get_std_name_hint; add field "min_dialect".
1800 (get_std_name_hint): Add min_dialect values to all initializers.
1801 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1802 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1803 <shared_mutex>, <string_view>, <thread>, and <variant>.
1804 Add fstream, ifstream, and ofstream to <fstream>.
1805 Add istringstream, ostringstream, and stringstream to <sstream>.
1806 Add basic_string to <string>.
1807 Add tuple_element and tuple_size to <tuple>.
1808 Add declval to <utility>.
1809 Fix ordering of <queue> and <tuple>.
1810 Return a std_name_hint, rather than a const char *.
1811 (get_cxx_dialect_name): New function.
1812 (maybe_suggest_missing_std_header): Detect names that aren't yet
1813 available in the current dialect, and instead of suggesting a
1814 missing #include, warn about the dialect.
1816 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1819 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1820 errorcount is set if tsubst doesn't return a VAR_DECL.
1822 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1825 * name-lookup.c (using_directives_contain_std_p): New function.
1826 (has_using_namespace_std_directive_p): New function.
1827 (suggest_alternatives_for): Simplify if/else logic using early
1828 returns. If no candidates were found, and there's a
1829 "using namespace std;" directive, call
1830 maybe_suggest_missing_std_header.
1831 (maybe_suggest_missing_header): Split later part of the function
1833 (maybe_suggest_missing_std_header): New.
1835 2018-04-06 Jason Merrill <jason@redhat.com>
1837 PR c++/85242 - ICE with class definition in template parm.
1838 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1839 processing_template_parmlist.
1841 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1842 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1844 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1847 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1848 is not prev, if prev == decl.
1851 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1852 maybe_apply_pragma_weak here...
1853 (cp_maybe_mangle_decomp): ... but call it here instead.
1855 2018-04-05 Jason Merrill <jason@redhat.com>
1857 PR c++/85136 - ICE with designated init in template.
1858 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1859 designated initializer.
1860 (check_array_designated_initializer): Update ce->index with the
1863 PR c++/83808 - ICE with VLA initialization.
1864 * typeck2.c (process_init_constructor_array): Don't require a VLA
1865 initializer to have VLA type.
1867 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1870 * call.c (convert_like_real): Fail gracefully for a broken
1871 std::initializer_list, missing a definition.
1873 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1875 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1878 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1879 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1881 2018-04-05 Jason Merrill <jason@redhat.com>
1883 PR c++/82152 - ICE with class deduction and inherited ctor.
1884 * pt.c (do_class_deduction): Ignore inherited ctors.
1886 PR c++/84665 - ICE with array of empty class.
1887 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1889 PR c++/85228 - ICE with lambda in enumerator in template.
1890 * pt.c (bt_instantiate_type_proc): Don't assume
1891 CLASSTYPE_TEMPLATE_INFO is non-null.
1893 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1896 * decl.c (find_decomp_class_base): Check accessibility instead
1897 of declared access, adjust diagnostic.
1899 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1902 * decl.c (get_tuple_decomp_init): Check the templatedness
1905 2018-04-05 Jason Merrill <jason@redhat.com>
1907 PR c++/85200 - ICE with constexpr if in generic lambda.
1908 * pt.c (extract_locals_r): Don't record the local specs of variables
1909 declared within the pattern.
1911 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1914 * pt.c (check_auto_in_tmpl_args): New.
1915 (tsubst_qualified_id): Use it to reject template args
1916 referencing auto for non-type templates.
1917 * parser.c (cp_parser_template_id): Likewise.
1918 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1919 * typeck2.c (build_functional_cast): Report correct location
1920 for invalid use of auto.
1922 2018-04-04 Jason Merrill <jason@redhat.com>
1924 PR c++/85215 - ICE with copy-init from conversion.
1925 * call.c (merge_conversion_sequences): Fix type of direct binding
1928 PR c++/84938 - ICE with division by ~-1.
1929 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1931 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1932 * parser.c (cp_parser_mem_initializer_list): Call
1933 check_for_bare_parameter_packs.
1935 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1938 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1939 builtin_valid_in_constant_expr_p functions, don't call
1940 cxx_eval_constant_expression if argument is not
1941 potential_constant_expression.
1944 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1946 * semantics.c (calculate_bases): Add complain argument. Use
1947 complete_type_or_maybe_complain instead of just complete_type and
1948 return an empty vector if it fails. Move make_tree_vector () call
1949 after early return. Formatting fixes.
1950 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1952 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1953 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1954 calculate_direct_bases callers, formatting fixes.
1956 2018-04-04 Jason Merrill <jason@redhat.com>
1958 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1959 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1961 PR c++/85200 - ICE with constexpr if in generic lambda.
1962 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1964 PR c++/84221 - bogus -Wunused with attribute and template.
1965 * decl2.c (is_late_template_attribute): Handle unused and used
1966 normally on non-TYPE_DECL.
1968 PR c++/85135 - ICE with omitted template arguments.
1969 * decl.c (grokdeclarator): Catch deduced class type in trailing
1972 PR c++/85133 - ICE with missing concept initializer.
1973 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1976 PR c++/85118 - wrong error with generic lambda and std::bind.
1977 * call.c (add_template_conv_candidate): Disable if there are any
1980 PR c++/85141 - ICE with compound assignment and static member fn.
1981 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1982 compound assignment.
1984 PR c++/85148 - ICE with 'this' in array NSDMI.
1985 * tree.c (replace_placeholders_r): Use handled_component_p.
1987 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1990 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1991 * parser.c (cp_parser_unqualified_id): ..not here.
1993 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
1996 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1998 * decl2.c (mark_used): Return without effects if tf_conv.
2000 2018-04-03 Jason Merrill <jason@redhat.com>
2002 PR c++/85092 - C++17 ICE with unused list constructor.
2003 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2006 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2007 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2008 __builtin_constant_p if ctx->quiet.
2010 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2013 * pt.c (rewrite_template_parm): If the first argument is
2014 error_mark_node return it immediately.
2015 (build_deduction_guide): Check the return value of the
2016 latter for error_mark_node.
2017 (do_class_deduction): Check the return value of the latter.
2019 2018-04-03 Jason Merrill <jason@redhat.com>
2021 * semantics.c (finish_if_stmt_cond): Use
2022 instantiation_dependent_expression_p.
2024 PR c++/85149 - generic lambda and constexpr if.
2025 * pt.c (build_extra_args, add_extra_args): Split from
2026 tsubst_pack_expansion.
2027 (tsubst_expr) [IF_STMT]: Use them.
2028 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2030 * typeck.c (merge_types): Limit matching attribute shortcut to
2033 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2036 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2039 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2043 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2044 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2045 instead for static data members clear init and set DECL_EXTERNAL.
2047 2018-04-02 Jason Merrill <jason@redhat.com>
2049 PR c++/64095 - auto... parameter pack.
2050 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2052 (cp_parser_parameter_declaration_list): Not here.
2054 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2057 * class.c (instantiate_type): Peel off SAVE_EXPR before
2060 2018-03-30 Jason Merrill <jason@redhat.com>
2062 * typeck2.c (process_init_constructor_record): Use
2063 init_list_type_node for the CONSTRUCTOR around an anonymous union
2064 designated initializer.
2066 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2069 * semantics.c (finish_omp_reduction_clause): If
2070 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2071 even if processing_template_decl.
2073 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2076 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2077 <tuple>, and <utility>.
2079 2018-03-29 Jason Merrill <jason@redhat.com>
2081 PR c++/85093 - too many template args with pack expansion.
2082 * pt.c (coerce_template_parms): Keep pack expansion args that will
2085 2018-03-29 Jason Merrill <jason@redhat.com>
2087 * pt.c (build_non_dependent_expr): Propagate expr location.
2089 2018-03-27 Jason Merrill <jason@redhat.com>
2091 PR c++/85060 - wrong-code with call to base member in template.
2092 * search.c (any_dependent_bases_p): Check uses_template_parms
2093 rather than processing_template_decl.
2095 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2098 * typeck.c (convert_for_assignment): When complaining due to
2099 conversions for an argument, attempt to use the location of the
2102 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2105 * pt.c (tsubst_default_argument): Early return if the type of the
2106 parameter is erroneous.
2108 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2111 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2115 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2117 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2120 * method.c (defaulted_late_check): Partially revert r253321 changes,
2121 do not early return upon error.
2123 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2126 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2127 type call fold to generate VECTOR_CSTs when possible.
2130 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2131 return it right away.
2133 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2135 * search.c (check_final_overrider): Use inform instead of error
2136 for the diagnostics of the overridden functions. Tweak wording.
2138 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2141 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2142 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2144 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2145 Jason Merrill <jason@redhat.com>
2148 * init.c (build_aggr_init): When initializing from array,
2149 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2150 (build_vec_init): Handle separately ARRAY_TYPEs.
2152 2018-03-26 Jason Merrill <jason@redhat.com>
2154 PR c++/85062 - ICE with alignas in wrong place.
2155 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2158 PR c++/85049 - ICE with __integer_pack.
2159 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2160 * cp-tree.h (TEMPLATE_PARM_P): New.
2162 2018-03-23 Jason Merrill <jason@redhat.com>
2164 PR c++/78489 - wrong SFINAE behavior.
2167 * pt.c (type_unification_real): Don't defer substitution failure.
2169 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2172 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2176 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2177 cp_build_unary_op call with gcc_unreachable ().
2179 2018-03-23 Marek Polacek <polacek@redhat.com>
2182 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2183 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2184 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2186 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2189 * parser.c (cp_parser_perform_range_for_lookup): Change
2190 the condition for deciding whether to use members.
2192 2018-03-23 Marek Polacek <polacek@redhat.com>
2195 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2197 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2200 * parser.c (cp_parser_alias_declaration): Call
2201 parser_check_template_parameters.
2204 * pt.c (resolve_typename_type): Drop assert that stopped
2205 simplification to template-independent types. Add assert to
2206 verify the initial scope is template dependent.
2207 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2208 Reparse the id expression as a type-name, not a declarator.
2211 * init.c (build_vec_init): Error at parenthesized array init.
2216 * cp-tree.h (temp_override): New template class, generalizing
2217 a cleanup that was only used...
2218 * parser.c (cp_parser_parameter_declaration_clause):
2219 ... here for auto_is_implicit_function_template_parm_p.
2220 (cp_parser_gnu_attributes_opt): Use it here as well.
2221 (cp_parser_std_attribute): Likewise.
2223 2018-03-22 Marek Polacek <polacek@redhat.com>
2226 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2229 2018-03-21 Jason Merrill <jason@redhat.com>
2231 PR c++/81311 - wrong C++17 overload resolution.
2232 * call.c (build_user_type_conversion_1): Remove C++17 code.
2233 (conv_binds_ref_to_prvalue): New.
2234 (build_over_call): Handle C++17 copy elision.
2235 (build_special_member_call): Only do C++17 copy elision here if the
2236 argument is already the right type.
2238 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2241 * init.c (build_vec_init): Silence error, former sorry,
2246 * parser.c (abort_fully_implicit_template_p): New.
2247 (cp_parser_skip_to_end_of_statement): Use it.
2248 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2249 (finish_fully_implicit_template_p): Clear
2250 implicit_template_parms and implicit_template_scope.
2252 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2255 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2256 error_mark_node when check_array_designated_initializer fails.
2258 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2261 * cp-tree.h (genericize_compound_lvalue): Declare.
2262 * typeck.c (genericize_compound_lvalue): New function.
2263 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2264 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2265 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2266 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2267 COMPOUND_EXPR operand.
2269 2018-03-21 Nathan Sidwell <nathan@acm.org>
2272 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2273 * decl2.c (vague_linkage_p): Likewise.
2275 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2278 * constexpr.c (constexpr_fn_retval): Make non-"static".
2279 * cp-tree.h (constexpr_fn_retval): New decl.
2280 * search.c (direct_accessor_p): Update leading comment.
2281 (reference_accessor_p): Likewise.
2282 (field_accessor_p): Replace check that function body is a
2283 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2284 indentation of "field_type" decl.
2286 2018-03-21 Nathan Sidwell <nathan@acm.org>
2289 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2292 2018-03-21 Martin Sebor <msebor@redhat.com>
2295 * call.c (first_non_public_field): New template and function.
2296 (first_non_trivial_field): New function.
2297 (maybe_warn_class_memaccess): Call them.
2299 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2302 * search.c (field_accessor_p): Use class_of_this_parm rather than
2303 type_of_this_parm, to check that "this" is a "const T *", rather
2306 2018-03-21 Nathan Sidwell <nathan@acm.org>
2308 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2309 other than public non-static data members.
2310 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2311 parenthesized initializer.
2314 * name-lookup.c (update_binding): Correct logic for local binding
2317 2018-03-21 Marek Polacek <polacek@redhat.com>
2319 PR c++/71638, ICE with NSDMI and reference.
2320 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2321 even when we replace an element.
2323 2018-03-20 Marek Polacek <polacek@redhat.com>
2325 PR c++/84978, ICE with NRVO.
2326 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2327 a RESULT_DECL isn't in the hash map.
2329 2018-03-20 Jason Merrill <jason@redhat.com>
2331 PR c++/84978, ICE with NRVO.
2332 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2333 (cp_get_callee_fndecl_nofold): New.
2334 * cp-gimplify.c (cp_genericize_r): Use it instead.
2335 * call.c (check_self_delegation): Likewise.
2337 2018-03-20 Nathan Sidwell <nathan@acm.org>
2340 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2341 member_vec, if there is one.
2344 * cp-tree.h (lookup_list_keep): Declare.
2345 * tree.c (lookup_list_keep): New, broken out of ...
2346 (build_min): ... here. Call it.
2347 * decl.c (cp_finish_decl): Call lookup_list_keep.
2349 2018-03-19 Jason Merrill <jason@redhat.com>
2351 PR c++/84937 - ICE with class deduction and auto.
2352 * pt.c (rewrite_template_parm): Fix auto handling.
2354 2018-03-19 Marek Polacek <polacek@redhat.com>
2357 * pt.c (enclosing_instantiation_of): Check if fn is null.
2360 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2361 as we evaluate the elements.
2362 (cxx_eval_constant_expression): Verify constructor's flags
2365 2018-03-19 Jason Merrill <jason@redhat.com>
2367 PR c++/71834 - template-id with too few arguments.
2368 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2370 2018-03-19 Nathan Sidwell <nathan@acm.org>
2373 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2374 * pt.c (build_template_decl): Propagate language linkage.
2377 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2380 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2383 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2385 * method.c (synthesize_method): Likewise.
2386 * pt.c (convert_nontype_argument): Likewise.
2388 2018-03-16 Jason Merrill <jason@redhat.com>
2390 PR c++/84720 - ICE with rvalue ref non-type argument.
2391 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2392 (convert_nontype_argument): Revert earlier change.
2394 PR c++/80227 - SFINAE and negative array size.
2395 * decl.c (compute_array_index_type): Use
2396 build_converted_constant_expr and valid_constant_size_p.
2398 PR c++/84906 - silent wrong code with ambiguous conversion.
2399 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2400 ambiguous conversion.
2401 (convert_like_real): Check it.
2403 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2404 * call.c (build_special_member_call): Don't convert an init-list
2405 argument directly to the class type.
2407 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2411 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2412 (find_placeholder): Declare.
2413 * tree.c (struct replace_placeholders_t): Add exp member.
2414 (replace_placeholders_r): Don't walk into ctors with
2415 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2416 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2417 (replace_placeholders): Initialize data.exp.
2418 (find_placeholders_r, find_placeholders): New functions.
2419 * typeck2.c (process_init_constructor_record,
2420 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2421 if adding NSDMI on which find_placeholder returns true.
2422 * call.c (build_over_call): Don't call replace_placeholders here.
2423 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2424 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2425 TARGET_EXPR_INITIAL.
2426 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2429 2018-03-16 Jason Merrill <jason@redhat.com>
2431 PR c++/83911 - ICE with multiversioned constructor.
2432 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2434 * call.c (build_over_call): Not here.
2436 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2439 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2440 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2442 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2445 * cp-tree.h (cp_warn_deprecated_use): Declare.
2446 * tree.c (cp_warn_deprecated_use): New function.
2447 * typeck2.c (build_functional_cast): Use it.
2448 * decl.c (grokparms): Likewise.
2449 (grokdeclarator): Likewise. Temporarily push nested class scope
2450 around grokparms call for out of class member definitions.
2452 2018-03-14 Jason Merrill <jason@redhat.com>
2454 PR c++/84820 - no error for invalid qualified-id.
2455 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2456 cp_error_declarator.
2458 PR c++/84801 - ICE with unexpanded pack in lambda.
2459 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2460 lambda in non-template context.
2462 PR c++/81236 - auto variable and auto function
2463 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2466 2018-03-14 Jason Merrill <jason@redhat.com>
2468 PR c++/83916 - ICE with template template parameters.
2469 * pt.c (convert_template_argument): Don't substitute into type of
2470 non-type parameter if we don't have enough arg levels.
2473 2018-03-14 Marek Polacek <polacek@redhat.com>
2476 * semantics.c (finish_static_assert): Check
2477 instantiation_dependent_expression_p instead of
2478 {type,value}_dependent_expression_p.
2480 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2481 Jason Merrill <jason@redhat.com>
2483 PR c++/82336 - link error with list-init default argument.
2484 * decl.c (check_default_argument): Unshare an initializer list.
2486 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2489 * decl.c (duplicate_decls): For redefinition of built-in, use error
2490 and return error_mark_node. For redeclaration, return error_mark_node
2491 rather than olddecl if !flag_permissive.
2493 2018-03-13 Jason Merrill <jason@redhat.com>
2495 PR c++/82565 - ICE with concepts and generic lambda.
2496 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2498 2018-03-13 Jason Merrill <jason@redhat.com>
2500 PR c++/84720 - ICE with rvalue ref non-type argument.
2501 * pt.c (convert_nontype_argument): Handle rvalue references.
2503 PR c++/84839 - ICE with decltype of parameter pack.
2504 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2505 instantiating dummy parms.
2507 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2508 parameter even without -Wpedantic.
2510 PR c++/84798 - ICE with auto in abstract function declarator.
2511 * parser.c (cp_parser_parameter_declaration_clause): Check
2512 parser->default_arg_ok_p.
2514 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2517 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2518 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2519 sizetype. Formatting fixes.
2521 2018-03-12 Jason Merrill <jason@redhat.com>
2523 PR c++/84355 - ICE with deduction for member class template.
2524 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2525 CLASS_PLACEHOLDER_TEMPLATE.
2527 PR c++/84802 - ICE capturing uninstantiated class.
2528 * lambda.c (build_capture_proxy): Call complete_type.
2530 2018-03-09 Jason Merrill <jason@redhat.com>
2532 PR c++/84770 - ICE with typedef and parameter pack.
2533 * pt.c (verify_unstripped_args_1): Split out from
2534 verify_unstripped_args.
2536 PR c++/84785 - ICE with alias template and default targs.
2537 * pt.c (type_unification_real): Set processing_template_decl if
2540 PR c++/84752 - ICE with capture of constexpr array.
2541 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2542 identity conversion under ck_lvalue.
2544 2018-03-09 Jason Merrill <jason@redhat.com>
2545 Paolo Carlini <paolo.carlini@oracle.com>
2549 * pt.c (any_erroneous_template_args_p): New.
2550 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2551 * parser.c (cp_parser_class_specifier_1): Use it.
2553 2018-03-09 Jason Merrill <jason@redhat.com>
2555 PR c++/84726 - unnecessary capture of constant vars.
2556 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2557 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2558 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2559 * lambda.c (is_constant_capture_proxy)
2560 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2561 (prune_lambda_captures): New.
2562 (finish_lambda_function): Call prune_lambda_captures.
2564 2018-03-09 Jason Merrill <jason@redhat.com>
2565 Jakub Jelinek <jakub@redhat.com>
2568 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2569 build ADDR_EXPR with REFERENCE_TYPE.
2570 (build_over_call): For purposes of check_function_arguments, if
2571 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2572 its operand rather than the argument itself.
2574 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2577 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2578 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2579 also a note and return olddecl.
2581 2018-03-09 Nathan Sidwell <nathan@acm.org>
2584 * name-lookup.c (do_pushdecl_with_scope): Only clear
2585 current_function_decl when pushing a non-class (i.e. namespace)
2588 2018-03-08 Jason Merrill <jason@redhat.com>
2589 Jakub Jelinek <jakub@redhat.com>
2592 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2593 not calling mark_used for the benefit of -Wunused-function warning.
2595 2018-03-06 Jason Merrill <jason@redhat.com>
2597 * lambda.c (is_capture_proxy_with_ref): Remove.
2598 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2600 2018-03-06 Marek Polacek <polacek@redhat.com>
2603 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2606 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2609 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2610 only while processing template decls.
2611 * typeck.c (build_x_conditional_expr): Move wrapping of
2612 reference type around type...
2613 * call.c (build_conditional_expr_1): ... here. Rename
2614 is_lvalue to is_glvalue.
2615 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2616 INDIRECT_REF of COND_EXPR too.
2619 * init.c (build_zero_init_1): Zero-initialize references.
2622 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2623 overloads used as stmt expr values.
2625 2018-03-05 Jason Merrill <jason@redhat.com>
2627 PR c++/84708 - ICE with lambda in local class NSDMI.
2628 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2631 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2634 * constexpr.c (constexpr_call_hasher::equal): Return false if
2635 lhs->hash != rhs->hash. Change return 1 to return true and
2636 return 0 to return false.
2638 2018-03-05 Nathan Sidwell <nathan@acm.org>
2641 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2643 2018-03-05 Marek Polacek <polacek@redhat.com>
2646 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2649 2018-03-05 Nathan Sidwell <nathan@acm.org>
2652 * friend.c (do_friend): Restore check for identifier_p inside
2655 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2658 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2659 involving a VAR_DECL or a PARM_DECL.
2661 2018-03-05 Pádraig Brady <P@draigBrady.com>
2662 Jason Merrill <jason@redhat.com>
2663 Nathan Sidwell <nathan@acm.org>
2666 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2668 2018-03-03 Jason Merrill <jason@redhat.com>
2670 PR c++/84686 - missing volatile loads.
2671 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2673 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2676 * optimize.c (maybe_thunk_body): Bail out immediately if either
2677 fns[0] or fns[1] is null.
2679 2018-03-02 Marek Polacek <polacek@redhat.com>
2682 * constexpr.c (get_array_or_vector_nelts): New.
2683 (cxx_eval_array_reference): Use it.
2684 (cxx_eval_vec_init_1): Likewise.
2685 (cxx_eval_store_expression): Likewise.
2687 2018-03-02 Jason Merrill <jason@redhat.com>
2689 * semantics.c (force_paren_expr): Remove redundant test.
2691 2018-03-02 Marek Polacek <polacek@redhat.com>
2694 * decl.c (cp_complete_array_type): Check error_mark_node.
2697 * typeck.c (cp_perform_integral_promotions): Check the result of
2700 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2703 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2704 RETURN instead of return.
2705 <case POINTER_PLUS_EXPR>: Likewise.
2706 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2707 it instead of wrapping it into CONVERT_EXPR.
2709 2018-03-02 Jason Merrill <jason@redhat.com>
2712 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2714 2018-03-02 Marek Polacek <polacek@redhat.com>
2717 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2718 wrapped in VIEW_CONVERT_EXPR.
2720 2018-03-01 Martin Sebor <msebor@redhat.com>
2723 * decl.c (check_redeclaration_no_default_args): Merge attributes
2724 specified on redeclarations of the same function template.
2727 2018-03-01 Marek Polacek <polacek@redhat.com>
2728 Jason Merrill <jason@redhat.com>
2731 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2733 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2734 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2735 of instantiate_non_dependent_expr.
2736 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2738 2018-03-01 Nathan Sidwell <nathan@acm.org>
2741 * name-lookup.c (member_vec_dedup): Remove manually peeled
2742 iteration. Ignore dependent ctor inheritance.
2744 2018-03-01 Jason Merrill <jason@redhat.com>
2746 PR c++/71569 - decltype of template.
2747 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2749 2018-03-01 Marek Polacek <polacek@redhat.com>
2752 * constexpr.c (require_rvalue_constant_expression): New function.
2753 * cp-tree.h: Declare it.
2754 * semantics.c (finish_static_assert): Use it instead of
2755 require_potential_rvalue_constant_expression.
2757 2018-03-01 Jason Merrill <jason@redhat.com>
2758 Alexandre Oliva <aoliva@redhat.com>
2760 PR c++/71569 - ICE with redundant args on member variable template.
2761 * decl.c (start_decl): Handle partial specialization of member
2763 * pt.c (determine_specialization): Allow partial specialization
2764 of member variable template without specializing enclosing class.
2765 (process_partial_specialization): Improve error message.
2767 2018-02-28 Jason Merrill <jason@redhat.com>
2769 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2770 * pt.c (determine_specialization): Check ref-qualifier.
2772 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2775 * parser.c (cp_parser_attributes_opt): Formatting fix.
2776 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2777 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2779 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2780 instead of tentative parse to peek over optional attribute tokens
2781 to check for CPP_COLON after them.
2785 * pt.c (INCLUDE_STRING): Remove define.
2786 (warn_spec_missing_attributes): Use pretty_printer instead of
2787 std::string. Fix up inform call so that the list of attributes
2790 2018-02-28 Martin Sebor <msebor@redhat.com>
2793 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2796 2018-02-28 Nathan Sidwell <nathan@acm.org>
2799 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2800 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2801 regardless of want_type.
2802 (search_anon_aggr): Just use get_class_binding_direct.
2804 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2806 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2809 2018-02-27 Martin Sebor <msebor@redhat.com>
2811 * pt.c: Avoid including <string> directly.
2813 2018-02-27 Martin Sebor <msebor@redhat.com>
2817 * cp-tree.h (warn_spec_missing_attributes): New function.
2818 ((check_explicit_specialization): Add an argument. Call the above
2820 * decl.c (duplicate_decls): Avoid applying primary function template's
2821 attributes to its explicit specializations.
2822 cp/pt.c (warn_spec_missing_attributes): Define.
2824 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
2826 PR c++/71546 - lambda init-capture with qualified-id.
2827 * parser.c (cp_parser_lambda_introducer): Clear scope after
2828 each lambda capture.
2830 2018-02-27 Nathan Sidwell <nathan@acm.org>
2833 * name-lookup.h (get_member_slot): Rename ...
2834 (find_member_slot): ... here.
2835 (add_member_slot): New.
2836 * name-lookup.c (member_vec_linear_search): No need to check for
2838 (get_member_slot): Rename ...
2839 (find_member_slot): ... here. Don't add slot for incomplete class.
2840 (add_member_slot): New.
2841 * class.c (add_method): Adjust get_member_slot rename. Bail out
2842 if push_class_level_binding fails. Create slot and grok
2843 properties once we're committed to insertion.
2845 2018-02-27 Jason Merrill <jason@redhat.com>
2847 PR c++/84489 - dependent default template argument
2848 * pt.c (type_unification_real): Handle early substitution failure.
2850 2018-02-26 Jason Merrill <jason@redhat.com>
2852 PR c++/84560 - ICE capturing multi-dimensional VLA.
2853 * tree.c (array_of_runtime_bound_p): False if the element is
2856 PR c++/84441 - ICE with base initialized from ?:
2857 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2859 PR c++/84520 - ICE with generic lambda in NSDMI.
2860 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2861 'this' in a generic lambda instantiation.
2863 PR c++/84559 - ICE with constexpr VLA.
2864 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2865 for constexpr variable with VLA type.
2867 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2870 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2871 a valid constant initializer. Formatting fixes.
2873 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2876 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2877 returning NULL_TREE.
2878 (apply_late_template_attributes): Likewise.
2880 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2883 * parser.c (cp_parser_omp_var_list_no_open): Only call
2884 cp_parser_lookup_name_simple on names satisfying identifier_p.
2885 (cp_parser_oacc_routine): Likewise.
2887 2018-02-26 Jason Merrill <jason@redhat.com>
2889 PR c++/84551 - ICE with concepts and -g.
2890 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2892 2018-02-26 Marek Polacek <polacek@redhat.com>
2895 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2898 2018-02-26 Jason Merrill <jason@redhat.com>
2900 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2901 * call.c (build_over_call): Handle deleted functions in one place.
2903 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2906 * decl.c (redeclaration_error_message): Don't try to use
2907 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2909 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2911 * lambda.c (build_capture_proxy): Define static.
2912 * cp-tree.h (build_capture_proxy): Remove.
2914 2018-02-26 Marek Polacek <polacek@redhat.com>
2917 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2918 if name is error node.
2920 2018-02-25 Jason Merrill <jason@redhat.com>
2922 PR c++/84015 - ICE with class deduction and auto template parm.
2923 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2925 2018-02-24 Marek Polacek <polacek@redhat.com>
2928 * constexpr.c (maybe_constant_init_1): New function.
2929 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2930 (cxx_constant_init): New function.
2931 * cp-tree.h (cxx_constant_init): Declare.
2932 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2933 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2935 2018-02-22 Jason Merrill <jason@redhat.com>
2937 PR c++/70468 - ICE with constructor delegation via typedef.
2938 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2939 with constructor delegation.
2941 2018-02-22 Jason Merrill <jason@redhat.com>
2943 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2944 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2947 2018-02-22 Marek Polacek <polacek@redhat.com>
2950 * parser.c (cp_parser_braced_list): Use require_open instead of
2953 2018-02-21 Jason Merrill <jason@redhat.com>
2955 PR c++/84454 - ICE with pack expansion in signature.
2956 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2958 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2960 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2963 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2966 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2969 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2972 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2973 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2976 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2977 returns error_mark_node, return it immediately.
2978 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2979 error_mark_node, return error_mark_node.
2982 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2983 function_depth to avoid GC during finish_lambda_function.
2985 2018-02-19 Jason Merrill <jason@redhat.com>
2987 PR c++/84429 - ICE capturing VLA.
2988 * lambda.c (build_capture_proxy): Handle reference refs.
2990 2018-02-19 Jakub Jelinek <jakub@redhat.com>
2993 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2994 either operand is error_mark_node, set current.lhs to that instead of
2995 creating a binary op with error_mark_node operands.
2998 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3000 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3003 * decl.c (grokdeclarator): Early return error_mark_node upon
3004 ill-formed friend declaration.
3006 2018-02-16 Marek Polacek <polacek@redhat.com>
3007 Jakub Jelinek <jakub@redhat.com>
3010 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3011 set *jump_target to anything if jump_target is NULL.
3013 2018-02-16 Jason Merrill <jason@redhat.com>
3015 PR c++/84151 - unnecessary volatile load with static member.
3016 * call.c (build_new_method_call_1): Avoid loading from a volatile
3017 lvalue used as the object argument for a static member function.
3019 PR c++/81853 - using-directive and constexpr.
3020 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3022 PR c++/84420 - ICE with structured binding in lambda.
3023 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3025 PR c++/83835 - C++17 error with constructor ctors.
3026 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3028 PR c++/82664 - ICE with reference to function template parm.
3029 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3032 PR c++/82764 - C++17 ICE with empty base
3033 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3035 2018-02-16 Jason Merrill <jason@redhat.com>
3037 PR c++/84421 - type-dependent if constexpr
3038 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3040 2018-02-16 Nathan Sidwell <nathan@acm.org>
3042 Deprecate -ffriend-injection.
3043 * decl.c (cxx_init_decl_processing): Emit warning on option.
3044 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3047 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3050 * decl.c (check_special_function_return_type): Reject template
3051 template parameter in deduction guide.
3053 2018-02-16 Nathan Sidwell <nathan@acm.org>
3056 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3058 2018-02-15 Jason Merrill <jason@redhat.com>
3060 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3061 * call.c (convert_like_real): Don't use the copy-list-initialization
3062 shortcut for ck_base.
3064 PR c++/84045 - ICE with typedef and noexcept.
3065 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3067 PR c++/84376 - ICE with omitted template arguments.
3068 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3070 PR c++/84368 - wrong error with local variable in variadic lambda.
3071 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3072 local_specializations.
3074 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3077 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3080 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3083 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3086 2018-02-14 Nathan Sidwell <nathan@acm.org>
3088 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3089 (c_parse_final_cleanups): Restore input_location after emitting
3092 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3094 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3095 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3096 auto_deduction_context, tree, int): Add defaults.
3097 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3098 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3099 tsubst_flags_t argument.
3100 * init.c (build_new): Likewise.
3102 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3105 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3106 about return other than *this in assignment operators if
3107 retval is type dependent expression.
3109 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3112 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3113 save_expr for the G++ extension.
3115 2018-02-13 Jason Merrill <jason@redhat.com>
3117 PR c++/84080 - ICE with return type deduction and specialization.
3118 * pt.c (determine_specialization): Check uses_template_parms.
3120 Fix more variadic capture issues.
3121 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3122 (check_for_bare_parameter_packs): Check current_class_type for
3124 (extract_locals_r): Handle seeing a full instantiation of a pack.
3125 (tsubst_pack_expansion): Likewise. Force lambda capture.
3126 * parser.c (cp_parser_lambda_introducer): Don't
3127 check_for_bare_parameter_packs.
3129 PR c++/84338 - wrong variadic sizeof.
3130 * pt.c (argument_pack_select_arg): Like the macro, but look through
3132 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3133 (extract_fnparm_pack): Do make_pack_expansion.
3134 (extract_locals_r): Do strip a pack expansion.
3135 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3137 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3140 * parser.c (cp_parser_binary_expression): Use build_min instead of
3141 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3143 2018-02-12 Nathan Sidwell <nathan@acm.org>
3146 * parser.c (cp_parser_decltype): Push and pop
3147 deferring_access_checks. Reorganize to avoid goto.
3149 2018-02-12 Richard Biener <rguenther@suse.de>
3152 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3153 uniform constructors and delay allocating them fully.
3155 2018-02-09 Jason Merrill <jason@redhat.com>
3157 PR c++/84036 - ICE with variadic capture.
3158 Handle variadic capture proxies more like non-variadic.
3159 * lambda.c (build_capture_proxy): Remove workaround.
3160 * pt.c (find_parameter_packs_r): The proxy is a pack.
3161 (instantiate_class_template_1): Remove dead lambda code.
3162 (extract_fnparm_pack): Don't make_pack_expansion.
3163 (extract_locals_r): Don't strip a pack expansion.
3164 (tsubst_pack_expansion): Handle proxy packs. Use
3165 PACK_EXPANSION_EXTRA_ARGS less.
3166 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3167 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3168 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3169 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3170 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3172 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3175 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3177 2018-02-09 Jason Merrill <jason@redhat.com>
3179 PR c++/81917 - ICE with void_t and partial specialization.
3180 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3181 calling most_specialized_partial_spec.
3183 2018-02-09 Nathan Sidwell <nathan@acm.org>
3186 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3187 Pass expr location to strict_aliasing_warning.
3189 2018-02-09 Jason Merrill <jason@redhat.com>
3191 PR c++/84296 - ICE with qualified-id in template.
3193 * pt.c (unknown_base_ref_p): New.
3194 (instantiation_dependent_scope_ref_p): Use it instead of
3195 any_dependent_bases_p.
3197 2018-02-09 Marek Polacek <polacek@redhat.com>
3198 Jakub Jelinek <jakub@redhat.com>
3201 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3202 fold_indirect_ref_1, including poly_*int64. Verify first that
3203 tree_fits_poly_int64_p (op01). Formatting fixes.
3205 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3207 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3208 * lambda.c (build_capture_proxy): Likewise.
3209 * search.c (field_access_p): Likewise.
3210 * semantics.c (omp_clause_decl, omp_privatize_field,
3211 finish_omp_clauses): Likewise.
3213 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3216 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3217 case of nullptr too.
3219 2018-02-08 Nathan Sidwell <nathan@acm.org>
3221 * class.c (finish_struct): Fix std:initializer_list diagnostic
3224 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3227 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3229 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3232 * parser.c (cp_parser_dot_deref_incomplete): New function.
3233 (cp_parser_postfix_dot_deref_expression): Use it.
3235 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3239 * name-lookup.c (suggest_rid_p): New function.
3240 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3243 2018-02-07 Jason Merrill <jason@redhat.com>
3245 PR c++/84182 - ICE with captured lambda
3247 * pt.c (extract_locals_r, extract_local_specs): New.
3248 (tsubst_pack_expansion): Use them.
3250 2018-02-07 Martin Liska <mliska@suse.cz>
3253 * class.c (add_method): Append argument value.
3254 * cp-tree.h (maybe_version_functions): Add new argument.
3255 * decl.c (decls_match): Call it if a declaration does not
3256 have DECL_FUNCTION_VERSIONED.
3257 (maybe_version_functions): record argument is added.
3259 2018-02-05 Marek Polacek <polacek@redhat.com>
3261 * class.c: Remove unused global variables.
3262 (build_primary_vtable): Don't gather statistics.
3263 (print_class_statistics): Remove.
3264 * cp-tree.h (print_class_statistics): Remove.
3265 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3267 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3269 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3270 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3271 * decl.c (next_initializable_field, find_decomp_class_base,
3272 cp_finish_decomp): Likewise.
3273 * typeck2.c (process_init_constructor_record): Likewise.
3275 2018-02-02 Jason Merrill <jason@redhat.com>
3277 PR c++/84181 - ICE with lambda parm in template argument.
3278 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3280 2018-02-01 Jason Merrill <jason@redhat.com>
3282 PR c++/84160 - ICE with nested variadic capture.
3283 * lambda.c (is_capture_proxy_with_ref): New.
3284 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3286 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3287 * constexpr.c (potential_constant_expression_1): Likewise.
3288 * semantics.c (process_outer_var_ref): Likewise.
3290 2018-02-01 Marek Polacek <polacek@redhat.com>
3293 * typeck.c (build_address): Relax the assert when
3294 processing_template_decl.
3296 2018-02-01 Jason Merrill <jason@redhat.com>
3298 PR c++/84126 - ICE with variadic generic lambda
3301 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3302 PACK_EXPANSION_EXTRA_ARGS.
3304 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3307 * call.c (convert_like_real): If w're initializing from {} explicitly
3308 call abstract_virtuals_error_sfinae.
3310 2018-01-31 Jason Merrill <jason@redhat.com>
3311 Jakub Jelinek <jakub@redhat.com>
3314 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3315 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3318 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3321 * constexpr.c (diag_array_subscript): Emit different diagnostics
3322 if TYPE_DOMAIN (arraytype) is NULL.
3323 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3324 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3326 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3329 * semantics.c (finish_qualified_id_expr): When handling an
3330 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3332 2018-01-31 Marek Polacek <polacek@redhat.com>
3335 * cp-gimplify.c (cp_fold): Check if X is an error node before
3336 calling useless_type_conversion_p.
3338 2018-01-30 Jason Merrill <jason@redhat.com>
3340 PR c++/84091 - ICE with local class in lambda in template.
3341 * decl2.c (determine_visibility): Look for outer containing template
3344 PR c++/84098 - ICE with lambda in template NSDMI.
3345 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3347 2018-01-29 Jason Merrill <jason@redhat.com>
3349 PR c++/68810 - wrong location for reinterpret_cast error.
3350 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3353 2018-01-29 Marek Polacek <polacek@redhat.com>
3356 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3357 => fooarray[1] in offset_int.
3359 2018-01-29 Jason Merrill <jason@redhat.com>
3361 PR c++/83942 - wrong unused warning with static_cast.
3362 * cvt.c (ocp_convert): Call mark_rvalue_use.
3364 2018-01-26 Jason Merrill <jason@redhat.com>
3366 PR c++/83956 - wrong dtor error with anonymous union
3367 * method.c (walk_field_subobs): Variant members only affect
3369 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3371 PR c++/84036 - ICE with variadic capture.
3373 * pt.c (tsubst_pack_expansion): When optimizing a simple
3374 substitution, pull a single pack expansion out of its pack.
3376 PR c++/82514 - ICE with local class in generic lambda.
3377 * pt.c (regenerated_lambda_fn_p): Remove.
3378 (enclosing_instantiation_of): Don't use it.
3379 (tsubst_function_decl): Call enclosing_instantiation_of.
3381 * pt.c (lookup_template_class_1): Add sanity check.
3382 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3384 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3387 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3388 recursive calls that return ret.
3389 (cp_finish_decomp): Ignore unnamed bitfields.
3391 2018-01-23 Jason Merrill <jason@redhat.com>
3393 PR c++/82249 - wrong mismatched pack length error.
3394 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3395 unsubstituted function parameter pack.
3397 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3400 * decl.c (check_for_uninitialized_const_var): Not static; add
3401 bool and tsubst_flags_t parameters; adjust to be used both in
3402 constexpr context and not.
3403 * constexpr.c (potential_constant_expression_1): Use the above.
3404 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3406 2018-01-23 Jason Merrill <jason@redhat.com>
3408 PR c++/83947 - ICE with auto declarations.
3409 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3410 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3412 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3415 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3416 for pointer to member function types.
3418 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3421 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3422 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3424 2018-01-23 Nathan Sidwell <nathan@acm.org>
3427 * pt.c (tsubst_baselink): Remove optype assert.
3428 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3430 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3433 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3434 refers to incomplete type.
3436 2018-01-23 Nathan Sidwell <nathan@acm.org>
3438 Deprecate ARM-era for scope handling
3439 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3440 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3442 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3444 * semantics.c (begin_for_scope): Flag_new_for_scope is
3446 (finish_for_stmt, begin_range_for_stmt): Likewise.
3448 2018-01-22 Jason Merrill <jason@redhat.com>
3451 * decl2.c (determine_visibility): Fix template_decl handling
3452 instead of blocking it.
3454 PR c++/83720 - ICE with lambda and LTO.
3455 * decl2.c (determine_visibility): Clear template_decl for
3456 function-scope decls. Propagate anonymous linkage from containing
3459 2018-01-22 Marek Polacek <polacek@redhat.com>
3462 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3465 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3468 * decl.c (grokdeclarator): Don't diagnose extra parens
3471 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3474 * call.c (joust): Use TREE_TYPE (source) if source is
3475 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3478 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3479 for direct enum init.
3480 * decl.c (reshape_init): Likewise.
3482 2018-01-19 Marek Polacek <polacek@redhat.com>
3484 * constexpr.c (fold_simple): Simplify.
3486 2018-01-18 Jason Merrill <jason@redhat.com>
3489 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3490 * pt.c (instantiation_dependent_scope_ref_p): True if
3491 any_dependent_bases_p.
3493 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3495 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3496 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3498 2018-01-18 Jason Merrill <jason@redhat.com>
3500 PR c++/82461 - constexpr list-initialized member
3501 * constexpr.c (potential_constant_expression_1): Check
3502 TARGET_EXPR_DIRECT_INIT_P.
3504 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3507 * decl.c (xref_basetypes): Early return upon error about derived
3510 2018-01-18 Nathan Sidwell <nathan@acm.org>
3513 * cp-tree.h (mark_use): Declare.
3514 * expr.c (mark_use): Make extern.
3515 * call.c (direct_reference_binding): Set inner conv's
3516 rvaluedness_matches_p, if it is an identity.
3517 (convert_like_real): Mark lvalue or rvalue use for identity as
3518 rvaledness_matches_p demands.
3520 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3523 * parser.c (attr_chainon): New function.
3524 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3525 cp_parser_namespace_definition, cp_parser_init_declarator,
3526 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3527 cp_parser_gnu_attributes_opt): Use it.
3528 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3529 cp_parser_objc_struct_declaration): Likewise. Don't reset
3530 prefix_attributes if attributes is error_mark_node.
3532 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3535 * decl.c (grokdeclarator): Do not append the error_mark_node
3536 due to an erroneous optional attribute-specifier-seq.
3538 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3541 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3544 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3547 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3548 error_mark_node when we give an error.
3549 * decl.c (cp_finish_decl): Use the latter.
3551 2018-01-17 Nathan Sidwell <nathan@acm.org>
3554 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3556 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3559 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3560 the C++ part. If processing a template, call
3561 fold_non_dependent_expr rather than fully folding.
3563 2018-01-17 Jason Merrill <jason@redhat.com>
3565 PR c++/81067 - redundant NULL warning.
3566 * call.c (convert_like_real): Restore null_node handling.
3568 2018-01-17 Jason Merrill <jason@redhat.com>
3570 PR c++/81843 - ICE with variadic member template.
3572 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3575 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3578 * pt.c (type_dependent_expression_p): Strip any location wrapper
3579 before testing tree codes.
3580 (selftest::test_type_dependent_expression_p): New function.
3581 (selftest::cp_pt_c_tests): Call it.
3583 2018-01-17 Nathan Sidwell <nathan@acm.org>
3586 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3587 this not a final instantiation.
3589 2018-01-16 Jason Merrill <jason@redhat.com>
3591 PR c++/83714 - ICE checking return in template.
3592 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3594 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3597 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3598 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3599 instead of CALL_FROM_THUNK_P.
3602 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3603 (resort_type_member_vec, set_class_bindings,
3604 insert_late_enum_def_bindings): Use vec qsort method instead of
3605 calling qsort directly.
3607 2018-01-15 Martin Sebor <msebor@redhat.com>
3610 * class.c (find_flexarrays): Make a record of multiple flexible array
3613 2018-01-12 Jason Merrill <jason@redhat.com>
3615 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3616 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3618 2018-01-12 Nathan Sidwell <nathan@acm.org>
3620 * cp-tree.h (mark_rvalue_use): Add parm name.
3621 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3623 * call.c (convert_like_real): Fix formatting.
3625 2018-01-11 Jason Merrill <jason@redhat.com>
3627 PR c++/82728 - wrong -Wunused-but-set-variable
3630 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3631 * decl.c (case_conversion): Likewise.
3632 * semantics.c (finish_static_assert): Call
3633 perform_implicit_conversion_flags.
3635 2018-01-11 Nathan Sidwell <nathan@acm.org>
3637 * method.c (enum mangling_flags): Delete long-dead enum.
3639 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3641 * parser.c (cp_parser_std_attribute_spec): When
3642 token_pair::require_open / require_close return false simply
3643 return error_mark_node, avoid duplicate cp_parser_error about
3644 expected '(' / ')', respectively.
3646 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3649 * call.c (null_ptr_cst_p): Strip location wrappers when
3650 converting from '0' to a pointer type in C++11 onwards.
3651 (conversion_null_warnings): Replace comparison with null_node with
3652 call to null_node_p.
3653 (build_over_call): Likewise.
3654 * cp-gimplify.c (cp_fold): Remove the early bailout when
3655 processing_template_decl.
3656 * cp-lang.c (selftest::run_cp_tests): Call
3657 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3658 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3659 (selftest::run_cp_tests): Move decl to bottom of file.
3660 (null_node_p): New inline function.
3661 (selftest::cp_pt_c_tests): New decl.
3662 (selftest::cp_tree_c_tests): New decl.
3663 * cvt.c (build_expr_type_conversion): Replace comparison with
3664 null_node with call to null_node_p.
3665 * error.c (args_to_string): Likewise.
3666 * except.c (build_throw): Likewise.
3667 * mangle.c (write_expression): Skip location wrapper nodes.
3668 * parser.c (literal_integer_zerop): New function.
3669 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3670 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3671 param of cp_parser_parenthesized_expression_list. When calling
3672 warn_for_memset, replace integer_zerop calls with
3673 literal_integer_zerop, eliminating the double logical negation
3674 cast to bool. Eliminate the special-casing for CONST_DECL in
3675 favor of the fold_for_warn within warn_for_memset.
3676 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3677 param, defaulting to false. Convert "expr" to a cp_expr, and call
3678 maybe_add_location_wrapper on it when wrap_locations_p is true.
3679 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3680 the result for RID_ALIGNOF and RID_SIZEOF.
3681 (cp_parser_builtin_offsetof): Likewise.
3682 * pt.c: Include "selftest.h".
3683 (tsubst_copy): Handle location wrappers.
3684 (tsubst_copy_and_build): Likewise.
3685 (build_non_dependent_expr): Likewise.
3686 (selftest::test_build_non_dependent_expr): New function.
3687 (selftest::cp_pt_c_tests): New function.
3688 * tree.c: Include "selftest.h".
3689 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3690 (selftest::test_lvalue_kind): New function.
3691 (selftest::cp_tree_c_tests): New function.
3692 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3693 (cp_build_binary_op): Replace comparison with null_node with call
3695 (build_address): Use location of operand when building address
3698 2018-01-10 Marek Polacek <polacek@redhat.com>
3701 * call.c (build_conditional_expr_1): Check complain before warning.
3702 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3703 -Wduplicated-branches.
3705 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3708 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3709 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3710 args uses and check number of operands too. Don't strip away any
3711 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3712 Deal with src argument not having pointer type. Check
3713 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3715 (build_over_call): Call maybe_warn_class_memaccess here on the
3717 (build_cxx_call): Rather than here on converted arguments.
3719 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3722 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3723 error_mark_node as second argument.
3725 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3728 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3729 in STATEMENT_LIST. Remove unneeded assert.
3731 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3732 Alan Hayward <alan.hayward@arm.com>
3733 David Sherwood <david.sherwood@arm.com>
3735 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3737 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3738 * call.c (build_conditional_expr_1): Likewise.
3739 * decl.c (cp_finish_decomp): Likewise.
3740 * mangle.c (write_type): Likewise.
3741 * typeck.c (structural_comptypes): Likewise.
3742 (cp_build_binary_op): Likewise.
3743 * typeck2.c (process_init_constructor_array): Likewise.
3745 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3748 * typeck.c (build_static_cast_1): For static casts to reference types,
3749 call build_base_path with flag_delete_null_pointer_checks as nonnull
3750 instead of always false. When -fsanitize=null, call
3751 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3752 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3753 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3755 2018-01-03 Nathan Sidwell <nathan@acm.org>
3758 * method.c (make_alias_for): Copy DECL_CONTEXT.
3760 2018-01-03 Marek Polacek <polacek@redhat.com>
3763 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3765 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3767 PR preprocessor/83602
3768 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3772 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3773 error_mark_node, return error_mark_node.
3775 Update copyright years.
3777 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3780 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3781 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3782 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3783 to false and return.
3784 (replace_placeholders): Pass NULL instead of &pset as last argument
3787 2018-01-02 Nathan Sidwell <nathan@acm.org>
3789 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3792 Copyright (C) 2018 Free Software Foundation, Inc.
3794 Copying and distribution of this file, with or without modification,
3795 are permitted in any medium without royalty provided the copyright
3796 notice and this notice are preserved.
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