| blob | f1e1026314833386516a9f624a630277031a41df |
1 2018-08-27 David Malcolm <dmalcolm@redhat.com>
3 PR 87091
4 * decl.c (grokdeclarator): Update for conversion of show_caret_p
5 to a tri-state.
6 * error.c (cp_printer): Likewise.
7 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
8 maybe_add_include_fixit to suggest overriding the location, as it
9 is for a note.
10 * parser.c (cp_parser_string_literal): Update for conversion of
11 show_caret_p to a tri-state.
12 (cp_parser_elaborated_type_specifier): Likewise.
13 (set_and_check_decl_spec_loc): Likewise.
14 * pt.c (listify): Update call to maybe_add_include_fixit to not
15 override the location, as it is for an error.
16 * rtti.c (typeid_ok_p): Likewise.
18 2018-08-27 Martin Liska <mliska@suse.cz>
20 * call.c (build_call_a): Use new function
21 fndecl_built_in_p and remove check for FUNCTION_DECL if
22 possible.
23 (build_cxx_call): Likewise.
24 * constexpr.c (constexpr_fn_retval): Likewise.
25 (cxx_eval_builtin_function_call): Likewise.
26 (cxx_eval_call_expression): Likewise.
27 (potential_constant_expression_1): Likewise.
28 * cp-gimplify.c (cp_gimplify_expr): Likewise.
29 (cp_fold): Likewise.
30 * decl.c (decls_match): Likewise.
31 (validate_constexpr_redeclaration): Likewise.
32 (duplicate_decls): Likewise.
33 (make_rtl_for_nonlocal_decl): Likewise.
34 * name-lookup.c (consider_binding_level): Likewise.
35 (cp_emit_debug_info_for_using): Likewise.
36 * semantics.c (finish_call_expr): Likewise.
37 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
39 2018-08-26 Marek Polacek <polacek@redhat.com>
41 PR c++/87080
42 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
44 PR c++/87029, Implement -Wredundant-move.
45 * typeck.c (treat_lvalue_as_rvalue_p): New function.
46 (maybe_warn_pessimizing_move): Call convert_from_reference.
47 Warn about redundant moves.
49 2018-08-24 Marek Polacek <polacek@redhat.com>
51 PR c++/67012
52 PR c++/86942
53 * decl.c (grokdeclarator): Disallow functions with trailing return
54 type with decltype(auto) as its type. Also check the function if
55 it's inner declarator doesn't exist
57 2018-08-21 Marek Polacek <polacek@redhat.com>
59 PR c++/86499
60 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
61 lambda has a capture-default.
63 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
65 * decl.c (check_static_variable_definition): Change to return void.
67 2018-08-21 Marek Polacek <polacek@redhat.com>
69 PR c++/86981, Implement -Wpessimizing-move.
70 * typeck.c (decl_in_std_namespace_p): New.
71 (is_std_move_p): New.
72 (maybe_warn_pessimizing_move): New.
73 (can_do_nrvo_p): New, factored out of ...
74 (check_return_expr): ... here. Warn about potentially harmful
75 std::move in a return statement.
77 PR c++/65043
78 * call.c (standard_conversion): Set check_narrowing.
79 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
80 than comparing with INTEGER_TYPE.
82 * cp-tree.h: Fix typo.
84 2018-08-20 David Malcolm <dmalcolm@redhat.com>
86 PR other/84889
87 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
88 instance(s).
89 (print_error_for_call_failure): Likewise.
90 (build_op_call_1): Likewise.
91 (build_conditional_expr_1): Likewise.
92 (build_new_op_1): Likewise.
93 (build_op_delete_call): Likewise.
94 (convert_like_real): Likewise.
95 (build_over_call): Likewise.
96 (build_new_method_call_1): Likewise.
97 (joust): Likewise.
98 * class.c (check_tag): Likewise.
99 (finish_struct_anon_r): Likewise.
100 (one_inherited_ctor): Likewise.
101 (finalize_literal_type_property): Likewise.
102 (explain_non_literal_class): Likewise.
103 (find_flexarrays): Likewise.
104 (resolve_address_of_overloaded_function): Likewise.
105 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
106 (is_valid_constexpr_fn): Likewise.
107 (cx_check_missing_mem_inits): Likewise.
108 * cp-gimplify.c (cp_genericize_r): Likewise.
109 * cvt.c (maybe_warn_nodiscard): Likewise.
110 * decl.c (warn_extern_redeclared_static): Likewise.
111 (check_redeclaration_exception_specification): Likewise.
112 (check_no_redeclaration_friend_default_args): Likewise.
113 (duplicate_decls): Likewise.
114 (redeclaration_error_message): Likewise.
115 (warn_misplaced_attr_for_class_type): Likewise.
116 * decl2.c (finish_static_data_member_decl): Likewise.
117 (no_linkage_error): Likewise.
118 (cp_warn_deprecated_use): Likewise.
119 * error.c (qualified_name_lookup_error): Likewise.
120 * friend.c (make_friend_class): Likewise.
121 (do_friend): Likewise.
122 * init.c (perform_member_init): Likewise.
123 (build_new_1): Likewise.
124 (build_vec_delete_1): Likewise.
125 (build_delete): Likewise.
126 * lex.c (unqualified_name_lookup_error): Likewise.
127 * name-lookup.c (check_extern_c_conflict): Likewise.
128 (inform_shadowed): New function.
129 (check_local_shadow): Add auto_diagnostic_group instances,
130 replacing goto "inform_shadowed" label with call to subroutine.
131 (set_local_extern_decl_linkage): Add auto_diagnostic_group
132 instance(s).
133 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
134 (cp_parser_namespace_name): Likewise.
135 * pt.c (check_specialization_namespace): Likewise.
136 (check_template_variable): Likewise.
137 (warn_spec_missing_attributes): Likewise.
138 (check_explicit_specialization): Likewise.
139 (process_partial_specialization): Likewise.
140 (lookup_template_class_1): Likewise.
141 (finish_template_variable): Likewise.
142 (do_auto_deduction): Likewise.
143 * search.c (check_final_overrider): Likewise.
144 (look_for_overrides_r): Likewise.
145 * tree.c (maybe_warn_parm_abi): Likewise.
146 * typeck.c (cxx_sizeof_expr): Likewise.
147 (cp_build_function_call_vec): Likewise.
148 (cp_build_binary_op): Likewise.
149 (convert_for_assignment): Likewise.
150 (maybe_warn_about_returning_address_of_local): Likewise.
151 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
152 (check_narrowing): Likewise.
154 2018-08-17 David Malcolm <dmalcolm@redhat.com>
156 * typeck.c (string_conv_p): Extract location from EXP and use it
157 in preference to input_location when issuing warnings.
159 2018-08-15 David Malcolm <dmalcolm@redhat.com>
161 * call.c: Include "gcc-rich-location.h".
162 (convert_like_real): Add range label for "invalid conversion"
163 diagnostic.
164 (perform_implicit_conversion_flags): Add type label to the
165 "could not convert" error.
166 * error.c: Include "gcc-rich-location.h".
167 (range_label_for_type_mismatch::get_text): New function.
168 * typeck.c (convert_for_assignment): Add type label to
169 the "cannot convert" error if a location is available.
171 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
173 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
174 emit an error instead of a permerror.
176 2018-08-13 Marek Polacek <polacek@redhat.com>
178 PR c++/57891
179 * call.c (struct conversion): Add check_narrowing_const_only.
180 (build_converted_constant_expr): Set check_narrowing and
181 check_narrowing_const_only. Give error if expr is error node.
182 (convert_like_real): Pass it to check_narrowing.
183 * cp-tree.h (check_narrowing): Add a default parameter.
184 * decl.c (compute_array_index_type): Use input_location instead of
185 location_of.
186 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
187 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
188 expressions. Call maybe_constant_value instead of
189 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
190 narrowing for constants if CONST_ONLY.
192 2018-08-13 Martin Sebor <msebor@redhat.com>
194 PR tree-optimization/71625
195 * decl.c (check_initializer): Call braced_list_to_string.
196 (eval_check_narrowing): New function.
197 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
198 as initilizers for all narrow character types.
200 2018-08-13 Marek Polacek <polacek@redhat.com>
202 P0806R2 - Deprecate implicit capture of this via [=]
203 * lambda.c (add_default_capture): Formatting fixes. Warn about
204 deprecated implicit capture of this via [=].
206 PR c++/86915
207 * decl.c (create_array_type_for_decl): Handle null name.
209 2018-08-10 Jason Merrill <jason@redhat.com>
211 PR c++/86728 - C variadic generic lambda.
212 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
213 a pack if it's followed by a declarator-id.
215 2018-08-08 Jakub Jelinek <jakub@redhat.com>
217 P0595R1 - is_constant_evaluated
218 * cp-tree.h (enum cp_built_in_function): New.
219 (maybe_constant_init): Add pretend_const_required argument.
220 * typeck2.c (store_init_value): Pass true as new argument to
221 maybe_constant_init.
222 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
223 for BUILT_IN_UNREACHABLE.
224 (struct constexpr_ctx): Add pretend_const_required field.
225 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
226 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
227 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
228 (cxx_eval_outermost_constant_expr): Add pretend_const_required
229 argument, initialize pretend_const_required field in ctx. If the
230 result is TREE_CONSTANT and non_constant_p, retry with
231 pretend_const_required false if it was true.
232 (is_sub_constant_expr): Initialize pretend_const_required_field in
233 ctx.
234 (cxx_constant_value): Pass true as pretend_const_required to
235 cxx_eval_outermost_constant_expr.
236 (maybe_constant_value): Pass false as pretend_const_required to
237 cxx_eval_outermost_constant_expr.
238 (fold_non_dependent_expr): Likewise.
239 (maybe_constant_init_1): Add pretend_const_required argument, pass it
240 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
241 instead of false as strict to cxx_eval_outermost_constant_expr.
242 (maybe_constant_init): Add pretend_const_required argument, pass it
243 down to maybe_constant_init_1.
244 (cxx_constant_init): Pass true as pretend_const_required to
245 maybe_constant_init_1.
246 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
247 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
248 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
249 * decl.c: Include langhooks.h.
250 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
251 built-in.
252 * tree.c (builtin_valid_in_constant_expr_p): Return true for
253 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
254 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
256 PR c++/86836
257 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
258 before tsubst_init, not after it.
260 PR c++/86738
261 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
262 NULL pointer set *non_constant_p to true.
263 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
264 set *non_constant_p to true and return t.
266 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
268 PR c++/59480, DR 136
269 * decl.c (check_no_redeclaration_friend_default_args): New.
270 (duplicate_decls): Use the latter; also check that a friend
271 declaration specifying default arguments is a definition.
273 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
275 PR c++/79133
276 * name-lookup.c (check_local_shadow): Reject captures and parameters
277 with the same name.
279 2018-08-06 Marek Polacek <polacek@redhat.com>
281 PR c++/86767
282 * constexpr.c (cxx_eval_statement_list): Handle continue.
284 2018-08-03 David Malcolm <dmalcolm@redhat.com>
285 Jonathan Wakely <jwakely@redhat.com>
287 * decl.c: Include "gcc-rich-location.h".
288 (add_return_star_this_fixit): New function.
289 (finish_function): When warning about missing return statements in
290 functions returning non-void, add a "return *this;" fix-it hint for
291 assignment operators.
293 2018-08-03 Jason Merrill <jason@redhat.com>
295 PR c++/86706
296 * class.c (build_base_path): Use currently_open_class.
298 2018-08-02 David Malcolm <dmalcolm@redhat.com>
300 * error.c (cxx_print_error_function): Duplicate "file" before
301 passing it to pp_set_prefix.
302 (cp_print_error_function): Use pp_take_prefix when saving the
303 existing prefix.
305 2018-08-02 Richard Biener <rguenther@suse.de>
307 PR c++/86763
308 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
309 to the CLASSTYPE_AS_BASE.
311 2018-08-01 Martin Sebor <msebor@redhat.com>
313 PR tree-optimization/86650
314 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
315 TREE_BLOCK (t) from within percent_K_format to this callsite.
317 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
319 PR c++/86661
320 * class.c (note_name_declared_in_class): Use location_of in permerror
321 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
323 2018-07-31 Tom de Vries <tdevries@suse.de>
325 PR debug/86687
326 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
328 2018-07-31 Jakub Jelinek <jakub@redhat.com>
330 P1008R1 - prohibit aggregates with user-declared constructors
331 * class.c (check_bases_and_members): For C++2a set
332 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
333 type_has_user_provided_or_explicit_constructor.
335 2018-07-31 Martin Liska <mliska@suse.cz>
337 PR c++/86653
338 * parser.c (cp_parser_condition): Initialize non_constant_p
339 to false.
341 2018-07-28 David Malcolm <dmalcolm@redhat.com>
343 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
344 into alphabetical order, and add missing "%G" and "%K". Within
345 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
346 cases are in alphabetical order.
348 2018-07-25 Jakub Jelinek <jakub@redhat.com>
350 * cp-tree.h (enum cp_tree_index): Add
351 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
352 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
353 (abi_tag_identifier, aligned_identifier, begin_identifier,
354 end_identifier, get__identifier, gnu_identifier,
355 tuple_element_identifier, tuple_size_identifier, type_identifier,
356 value_identifier, fun_identifier, closure_identifier): Define.
357 * decl.c (initialize_predefined_identifiers): Initialize the above
358 identifiers.
359 (get_tuple_size): Use tuple_size_identifier instead of
360 get_identifier ("tuple_size") and value_identifier instead of
361 get_identifier ("value").
362 (get_tuple_element_type): Use tuple_element_identifier instead of
363 get_identifier ("tuple_element") and type_identifier instead of
364 get_identifier ("type").
365 (get_tuple_decomp_init): Use get__identifier instead of
366 get_identifier ("get").
367 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
368 get_identifier ("_FUN").
369 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
370 instead of get_identifier ("__closure").
371 (cp_parser_std_attribute): Use gnu_identifier instead of
372 get_identifier ("gnu").
373 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
374 instead of get_identifier ("aligned").
375 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
376 abi_tag_identifier instead of get_identifier ("abi_tag").
378 PR c++/85515
379 * cp-tree.h (enum cp_tree_index): Add
380 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
381 (for_range__identifier, for_begin__identifier, for_end__identifier,
382 for_range_identifier, for_begin_identifier, for_end_identifier):
383 Define.
384 * decl.c (initialize_predefined_identifiers): Initialize
385 for_{range,begin,end}{,_}_identifier.
386 * parser.c (build_range_temp): Use for_range__identifier instead of
387 get_identifier ("__for_range").
388 (cp_convert_range_for): Use for_begin__identifier and
389 for_end__identifier instead of get_identifier ("__for_begin") and
390 get_identifier ("__for_end").
391 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
392 local symbols to "__for_{range,begin,end}".
394 2018-07-23 Jakub Jelinek <jakub@redhat.com>
396 PR c++/86569
397 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
398 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
399 or warn_nonnull_compare.
401 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
403 Revert fix for c++/59480 (and testsuite followup)
405 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
407 PR c++/59480, DR 136
408 * decl.c (check_no_redeclaration_friend_default_args): New.
409 (duplicate_decls): Use the latter; also check that a friend
410 declaration specifying default arguments is a definition.
412 2018-07-18 Jakub Jelinek <jakub@redhat.com>
414 PR c++/86550
415 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
416 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
418 2018-07-18 Marek Polacek <polacek@redhat.com>
420 PR c++/86190 - bogus -Wsign-conversion warning
421 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
422 sentinel.
424 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
426 PR c++/59480, DR 136
427 * decl.c (check_no_redeclaration_friend_default_args): New.
428 (duplicate_decls): Use the latter; also check that a friend
429 declaration specifying default arguments is a definition.
431 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
433 * class.c (note_name_declared_in_class): Prefer permerror + inform
434 to a pair of permerrors; use DECL_SOURCE_LOCATION.
436 2018-07-18 Richard Biener <rguenther@suse.de>
438 PR debug/86523
439 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
440 start_static_storage_duration_function sets current_function_decl.
442 2018-07-17 Jason Merrill <jason@redhat.com>
444 PR c++/86480 - nested variadic lambda and constexpr if.
445 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
446 IF_STMT_EXTRA_ARGS.
447 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
448 cp_unevaluated_operand.
449 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
451 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
453 * class.c (resolve_address_of_overloaded_function): Don't emit an
454 inform if the matching permerror returns false.
455 * pt.c (check_specialization_namespace): Likewise.
457 2018-07-16 Jakub Jelinek <jakub@redhat.com>
459 PR c++/3698
460 PR c++/86208
461 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
462 in TREE_USED flag from stmt to h->to.
464 2018-07-13 Nathan Sidwell <nathan@acm.org>
466 PR c++/86374
467 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
468 contexts that are classes.
469 * parser.c (cp_parser_template_id): Combine entering_scope decl &
470 initializer.
472 2018-07-12 Jakub Jelinek <jakub@redhat.com>
474 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
475 type here, instead add "omp declare target implicit" attribute. Add
476 that attribute instead of "omp declare target" also when
477 processing_template_decl.
478 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
479 and before calling cp_omp_mappable_type call complete_type.
481 2018-07-10 Jakub Jelinek <jakub@redhat.com>
483 PR sanitizer/86406
484 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
485 DEBUG_BEGIN_STMTs.
487 PR c++/86443
488 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
489 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
490 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
491 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
492 TREE_LIST for both the original class iterator and the "last" helper
493 var.
495 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
497 * decl.c (grokdeclarator): Use rich_location::add_range in three
498 more places; include gcc-rich-location.h.
500 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
502 * decl.c (build_enumerator): Change overflow type to overflow_type.
503 * init.c (build_new_1): Same.
505 2018-07-05 Nathan Sidwell <nathan@acm.org>
507 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
508 NO_IMPLICIT_EXTERN_C.
509 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
511 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
513 PR c++/86398
514 * method.c (is_trivially_xible): Return false
515 if is_xible_helper returns a NULL_TREE.
517 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
519 * decl.c (min_location): New.
520 (smallest_type_quals_location): Use the latter.
521 (check_concept_fn): Use DECL_SOURCE_LOCATION.
522 (grokdeclarator): Use accurate locations in a number of error
523 messages involving ds_thread, ds_storage_class, ds_virtual,
524 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
526 2018-07-03 Marek Polacek <polacek@redhat.com>
528 PR c++/86201
529 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
531 2018-07-03 Jason Merrill <jason@redhat.com>
533 PR c++/86378 - functional cast in noexcept-specifier.
534 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
536 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
538 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
539 in error message about __thread and thread_local at the same time.
541 2018-06-29 Marek Polacek <polacek@redhat.com>
543 PR c++/86184
544 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
546 2018-06-28 David Malcolm <dmalcolm@redhat.com>
548 * parser.c (cp_parser_error_1): After issuing a conflict marker
549 error, consume tokens until the end of the source line.
551 2018-06-28 Jason Merrill <jason@redhat.com>
553 PR c++/86342 - -Wdeprecated-copy and system headers.
554 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
555 in system headers.
557 2018-06-27 David Malcolm <dmalcolm@redhat.com>
559 PR c++/86329
560 * name-lookup.c (consider_binding_level): Filter out names that
561 match anon_aggrname_p.
563 2018-06-27 Jason Merrill <jason@redhat.com>
565 * name-lookup.c (do_pushtag): If we skip a class level, also skip
566 its template level.
568 2018-06-26 Jason Merrill <jason@redhat.com>
570 PR c++/86320 - memory-hog with std::array of pair
571 * typeck2.c (process_init_constructor_array): Only compute a
572 constant initializer once.
574 PR c++/80290 - memory-hog with std::pair.
575 * pt.c (fn_type_unification): Add convs parameter.
576 (check_non_deducible_conversion): Remember conversion.
577 (check_non_deducible_conversions): New. Do checks here.
578 (type_unification_real): Not here. Remove flags parm.
579 * call.c (add_function_candidate): Make convs a parameter.
580 Don't recalculate the conversion if it's already set.
581 (add_template_candidate_real): Allocate convs here.
582 (good_conversion, conv_flags): New.
584 2018-06-26 Jakub Jelinek <jakub@redhat.com>
586 PR c++/86291
587 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
588 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
590 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
592 * decl.c (bad_specifiers): Add const location_t* parameter and
593 use locations in error messages about 'inline' and 'virtual'.
594 (mark_inline_variable): Add location_t parameter and use it in
595 error_at and pedwarn messages.
596 (grokdeclarator): Use declspecs->locations[ds_constexpr],
597 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
598 declspecs->locations[ds_inline] in many error messages; adjust
599 bad_specifiers and mark_inline_variable calls.
600 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
602 2018-06-22 Jason Merrill <jason@redhat.com>
604 PR c++/86219 - ICE with erroneous initializer in template.
605 * constexpr.c (fold_non_dependent_expr): Add complain parm.
606 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
607 Pass it.
608 * call.c (build_cxx_call): Don't mess with builtins in a template.
609 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
610 produce a constant value, go back to the uninstantiated form.
612 Avoid taking the address of something just because it's in parens.
613 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
614 (cxx_fold_indirect_ref): Use it.
615 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
616 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
617 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
618 static_cast to reference type.
619 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
621 2018-06-21 Jason Merrill <jason@redhat.com>
623 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
625 * name-lookup.c (do_push_to_top_level): Don't allocate
626 current_lang_base.
627 (do_pop_from_top_level): Release current_lang_base.
629 Let -fmem-report see callers of cxx_make_type.
630 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
631 (make_class_type): Likewise.
632 (cxx_make_type_hook): New.
633 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
635 2018-06-20 Nathan Sidwell <nathan@acm.org>
637 PR c++/85634
638 * friend.c (add_friend): Keep lookup sets of tempate sets.
640 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
642 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
643 tidy handling of a null location_t argument; use proper location
644 information in a few additional error messages.
645 (grokdeclarator): Update calls.
647 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
648 Thomas Schwinge <thomas@codesourcery.com>
649 Cesar Philippidis <cesar@codesourcery.com>
651 * parser.c (cp_parser_omp_clause_name): Add support for finalize
652 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
653 to their non-present_or_* counterparts. Make 'self' an alias to
654 PRAGMA_OACC_CLAUSE_HOST.
655 (cp_parser_oacc_data_clause): Update GOMP mappings for
656 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
657 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
658 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
659 Remove support for present_or_* clauses.
660 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
661 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
662 (OACC_DECLARE_CLAUSE_MASK): Likewise.
663 (OACC_DATA_CLAUSE_MASK): Likewise.
664 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
665 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
666 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
667 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
668 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
669 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
671 2018-06-20 Marek Polacek <polacek@redhat.com>
673 PR c++/86240
674 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
675 (fold_simple_1): Likewise.
676 * error.c (dump_expr): Likewise.
678 2018-06-20 Nathan Sidwell <nathan@acm.org>
680 PR c++/85634
681 * cp-tree.h (lookup_keep): Drop KEEP parm.
682 (lookup_list_keep): Delete.
683 (maybe_get_fns): Declare.
684 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
685 (cp_parser_template_id): Not here ...
686 * decl.c (cp_finish_decl): ... nor here ...
687 * init.c (build_raw_new_expr): ... nor here ...
688 * pt.c (process_template_parm): ... nor here ...
689 * semantics.c (perform_koenig_lookup): Call lookup_keep.
690 (finish_call_expr): Not here.
691 * tree.c (ovl_cache): Delete.
692 (ovl_make, ovl_copy): No cache.
693 (lookup_keep): Always keep.
694 (lookup_list_keep): Delete.
695 (maybe_get_fns): New, broken out of ...
696 (get_fns): ... here. Call it.
697 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
698 (build_min_nt_call_vec): Likewise.
700 2018-06-19 Jason Merrill <jason@redhat.com>
702 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
703 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
705 PR c++/86182 - ICE with anonymous union passed to template.
706 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
707 used to declare a named variable.
709 2018-06-18 Jason Merrill <jason@redhat.com>
711 * tree.c (cp_expr_location): New.
712 * cp-tree.h (cp_expr_loc_or_loc): New.
713 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
714 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
715 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
717 * parser.c (cp_parser_lambda_expression): Use a range for
718 LAMBDA_EXPR_LOCATION.
720 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
721 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
722 function type.
724 PR c++/81060 - ICE with unexpanded parameter pack.
725 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
726 * decl.c (grokdeclarator): Call it for qualifying_scope.
728 PR c++/86171 - ICE with recursive alias instantiation.
729 * pt.c (tsubst_decl): Handle recursive alias instantiation.
731 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
733 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
734 in errors about redefined default arguments; tidy.
736 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
738 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
739 * cp-gimplify.c (cp_fold): Likewise.
741 2018-06-15 Jason Merrill <jason@redhat.com>
743 PR c++/86147 - wrong capture for template argument.
744 * expr.c (mark_use): Look through NOP_EXPR.
746 * name-lookup.c (do_pushtag): Don't look through complete types, but
747 don't add to them either. Get context from current_binding_level.
748 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
750 * decl.c (start_enum): Do compare dependent underlying type.
752 PR c++/82882 - ICE with lambda in template default argument.
753 * lambda.c (record_null_lambda_scope): New.
754 * pt.c (tsubst_lambda_expr): Use it.
755 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
756 function that isn't open.
758 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
760 2018-06-14 Marek Polacek <polacek@redhat.com>
762 PR c++/86063
763 * decl2.c (cp_check_const_attributes): Skip trees that are not
764 TREE_LISTs.
766 2018-06-14 Jakub Jelinek <jakub@redhat.com>
768 P0624R2 - Default constructible and assignable stateless lambdas
769 * method.c (synthesized_method_walk): For C++2a don't mark
770 sfk_constructor or sfk_copy_assignment as deleted if lambda has
771 no lambda-captures.
773 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
775 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
776 OPT_Wshadow warning_at.
777 (grokfndecl): Consistently use the location_t argument in
778 literal operator diagnostic messages.
779 (grokdeclarator): Use declspecs->locations[ds_storage_class]
780 in error_at call.
781 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
782 in permerror call.
784 2018-06-13 Jason Merrill <jason@redhat.com>
786 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
787 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
788 constructors.
790 PR c++/86094 - wrong code with defaulted move ctor.
791 * class.c (classtype_has_non_deleted_move_ctor): New.
792 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
793 Handle v12 breakage.
795 2018-06-12 Jason Merrill <jason@redhat.com>
797 PR c++/86098 - ICE with template placeholder for TTP.
798 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
799 CLASS_PLACEHOLDER_TEMPLATE.
801 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
803 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
804 parameter and adjust error_at calls.
805 * decl.c (grok_op_properties): Adjust calls.
806 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
808 2018-06-12 Marek Polacek <polacek@redhat.com>
810 Core issue 1331 - const mismatch with defaulted copy constructor
811 * class.c (check_bases_and_members): When checking a defaulted
812 function, mark it as deleted rather than giving an error.
814 2018-06-11 Jason Merrill <jason@redhat.com>
816 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
817 * class.c (maybe_warn_about_overly_private_class): Handle inherited
818 constructors.
820 PR c++/85963 - -Wunused-but-set with ?: in template.
821 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
823 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
825 * decl.c (grok_op_properties): Consistently use the location
826 of the decl; remove special casing of POSTINCREMENT_EXPR and
827 POSTDECREMENT_EXPR wrt default arguments.
829 2018-06-05 Jason Merrill <jason@redhat.com>
831 * constexpr.c (cxx_eval_binary_expression): Special case comparison
832 of pointers to members of the same union.
834 2018-06-11 Jason Merrill <jason@redhat.com>
836 PR c++/86094 - wrong code with defaulted move ctor.
837 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
839 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
841 * decl.c (grokfndecl): Use the location_t argument in two more places.
843 2018-06-06 Marek Polacek <polacek@redhat.com>
845 PR c++/85977
846 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
847 deduction from the list elements.
848 (type_unification_real): Check convertibility of list elements.
850 2018-06-06 Jason Merrill <jason@redhat.com>
852 PR c++/86060 - ICE on range for with -std=c++98.
853 * parser.c (cp_parser_init_statement): Don't clobber *decl after
854 pedwarn.
856 PR c++/85710 - ICE with -Wmemset-elt-size.
857 * semantics.c (finish_call_expr): Call warn_for_memset here.
858 * parser.c (cp_parser_postfix_expression): Not here.
859 (literal_integer_zerop): No longer static.
860 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
862 2018-06-05 Marek Polacek <polacek@redhat.com>
864 PR c++/85976
865 * tree.c (cp_tree_equal): Handle USING_DECL.
867 2018-06-05 Jason Merrill <jason@redhat.com>
869 PR c++/85731 - wrong error with qualified-id in template.
870 * semantics.c (finish_qualified_id_expr): build_qualified_name
871 for unbound names in the current class.
873 2018-06-04 Jason Merrill <jason@redhat.com>
875 PR c++/61806 - missed SFINAE with partial specialization.
876 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
877 parameter to constructor.
878 * pt.c (instantiate_class_template_1): Enable access checking
879 before call to most_specialized_partial_spec.
881 PR c++/85765 - SFINAE and non-type default template arg.
882 * pt.c (type_unification_real): Do full semantic processing if
883 substituting a partial args list replaces all template parms.
885 2018-06-03 Jason Merrill <jason@redhat.com>
887 PR c++/85739 - ICE with pointer to member template parm.
888 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
890 2018-06-02 Jason Merrill <jason@redhat.com>
892 PR c++/85761 - ICE with ill-formed use of const outer variable.
893 * expr.c (mark_use): Handle location wrappers.
895 2018-06-01 Jason Merrill <jason@redhat.com>
897 PR c++/85764 - bogus 'this' not captured error.
898 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
899 (nonlambda_method_basetype): Handle NSDMI.
901 CWG 1581: When are constexpr member functions defined?
902 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
903 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
905 PR c++/58281 - explicit instantiation of constexpr
906 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
908 * pt.c (instantiate_decl): Any defaulted function is defined.
910 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
912 PR c++/77777
913 * call.c (resolve_args): Use location of expression, not current input
914 location.
916 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
918 Do not warn about zero-as-null when NULL is used.
919 * call.c (conversion_null_warnings): Check for pointer
920 types converted from zero constants.
921 (convert_like_real): Add a warning sentinel at the end.
922 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
923 check null_node_p.
925 2018-05-30 Jason Merrill <jason@redhat.com>
927 PR c++/85807 - ICE with call in template NSDMI.
928 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
929 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
931 PR c++/85873 - constant initializer_list array not in .rodata.
932 * tree.c (build_target_expr): Set TREE_READONLY.
933 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
935 * parser.c (cp_parser_check_condition_declarator): Handle
936 cp_error_declarator.
938 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
940 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
941 of using it in dead store.
943 2018-05-29 Jason Merrill <jason@redhat.com>
945 PR c++/67445 - returning temporary initializer_list.
946 PR c++/67711 - assigning from temporary initializer_list.
947 PR c++/48562 - new initializer_list.
948 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
949 about returning local initializer_list.
950 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
951 * call.c (build_over_call): Warn about assignment from temporary
952 init_list.
953 * init.c (build_new_1): Warn about 'new std::initializer_list'.
954 (find_list_begin, maybe_warn_list_ctor): New.
955 (perform_member_init): Use maybe_warn_list_ctor.
957 2018-05-29 Marek Polacek <polacek@redhat.com>
959 PR c++/85883
960 * init.c (build_new): Handle deducing a class with new
961 with more than one argument.
963 2018-05-29 Jakub Jelinek <jakub@redhat.com>
965 PR c++/85952
966 * init.c (build_aggr_init): For structured binding initialized from
967 array call mark_rvalue_use on the initializer.
969 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
971 * decl2.c (start_static_storage_duration_function): Use
972 splay_tree_delete_pointers.
974 2018-05-25 Jason Merrill <jason@redhat.com>
976 PR c++/85815 - reference to member of enclosing template.
977 * search.c (lookup_base): Use currently_open_class.
978 (lookup_member): Use it regardless of -fconcepts.
979 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
981 CWG 616, 1213 - value category of subobject references.
982 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
984 2018-05-24 Jason Merrill <jason@redhat.com>
986 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
987 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
988 generic lambda.
990 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
992 Pedwarn on a non-standard position of a C++ attribute.
993 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
994 after the namespace name.
996 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
998 * cp-tree.h (INDIRECT_TYPE_P): New.
999 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1000 joust): Use it instead of POINTER_TYPE_P.
1001 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1002 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1003 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1004 * cxx_eval_increment_expression, potential_constant_expression_1):
1005 Likewise.
1006 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1007 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1008 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1009 cp_ubsan_maybe_instrument_downcast): Likewise.
1010 * cvt.c (cp_convert_to_pointer, ocp_convert,
1011 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1012 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1013 pp_cxx_offsetof_expression_1): Likewise.
1014 * decl.c (grokparms, static_fn_type): Likewise.
1015 * decl2.c (grokbitfield): Likewise.
1016 * error.c (dump_expr): Likewise.
1017 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1018 * init.c (warn_placement_new_too_small): Likewise.
1019 * lambda.c (build_capture_proxy, add_capture): Likewise.
1020 * parser.c (cp_parser_omp_for_loop): Likewise.
1021 * pt.c (convert_nontype_argument, fn_type_unification,
1022 uses_deducible_template_parms, check_cv_quals_for_unify,
1023 dependent_type_p_r): Likewise.
1024 * search.c (check_final_overrider): Likewise.
1025 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1026 finish_omp_for): Likewise.
1027 * tree.c (cp_build_qualified_type_real): Likewise.
1028 * typeck.c (build_class_member_access_expr,
1029 finish_class_member_access_expr, build_x_indirect_ref,
1030 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1031 Likewise.
1033 2018-05-24 Jason Merrill <jason@redhat.com>
1035 PR c++/85864 - literal template and default template arg.
1036 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1038 2018-05-24 Marek Polacek <polacek@redhat.com>
1040 PR c++/85847
1041 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1042 variable for its result. Fix a condition.
1043 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1045 2018-05-23 Jason Merrill <jason@redhat.com>
1047 Fix cast to rvalue reference from prvalue.
1048 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1049 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1050 non-class type. Handle xvalue argument.
1051 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1052 rvalue reference.
1053 * semantics.c (finish_compound_literal): Do direct-initialization,
1054 not cast, to initialize a reference.
1056 CWG 616, 1213 - value category of subobject references.
1057 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1058 an xvalue.
1059 * typeck2.c (build_m_component_ref): Likewise.
1060 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1061 distinction between temporary and xvalue.
1063 2018-05-23 Marek Polacek <polacek@redhat.com>
1065 Implement P0614R1, Range-based for statements with initializer.
1066 * parser.c (cp_parser_range_based_for_with_init_p): New.
1067 (cp_parser_init_statement): Use it. Parse the optional init-statement
1068 for a range-based for loop.
1069 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1071 2018-05-22 Jason Merrill <jason@redhat.com>
1073 PR c++/81420 - not extending temporary lifetime.
1074 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1075 * class.c (build_base_path): Avoid redundant move of an rvalue.
1077 PR c++/85866 - error with .* in default template arg.
1078 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1080 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1082 * parser.c (cp_parser_parameter_declaration_list): Remove
1083 bool* parameter.
1084 (cp_parser_parameter_declaration_clause): Adjust.
1085 (cp_parser_cache_defarg): Likewise.
1087 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1089 PR c++/84588
1090 * parser.c (cp_parser_maybe_commit_to_declaration,
1091 cp_parser_check_condition_declarator): New.
1092 (cp_parser_simple_declaration): Use the first above.
1093 (cp_parser_condition): Use both the above; enforce
1094 [stmt.stmt]/2 about the declarator not specifying
1095 a function or an array; improve error-recovery.
1097 2018-05-20 Jason Merrill <jason@redhat.com>
1099 PR libstdc++/85843 - warning in logic_error copy constructor.
1100 * class.c (type_has_user_nondefault_constructor): Check for a
1101 user-provided ctor, not user-declared.
1103 2018-05-19 Jason Merrill <jason@redhat.com>
1105 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1106 on __integer_pack as subexpression of pattern.
1108 2018-05-18 Jason Merrill <jason@redhat.com>
1110 PR c++/58407 - deprecated implicit copy ops.
1111 * call.c (build_over_call): Warn about deprecated trivial fns.
1112 * class.c (classtype_has_user_copy_or_dtor): New.
1113 (type_build_ctor_call): Check TREE_DEPRECATED.
1114 (type_build_dtor_call): Likewise.
1115 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1116 Add checks. Return bool. Handle -Wdeprecated-copy.
1117 (mark_used): Use it.
1118 * decl.c (grokdeclarator): Remove redundant checks.
1119 * typeck2.c (build_functional_cast): Likewise.
1120 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1121 * init.c (build_aggr_init): Only set TREE_USED if there are
1122 side-effects.
1124 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1126 PR c++/85782
1127 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1128 OACC_LOOPs.
1130 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1132 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1133 (potential_constant_expression_1): Likewise.
1135 2018-05-16 Marek Polacek <polacek@redhat.com>
1137 PR c++/85363
1138 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1139 * tree.c (bot_manip): Call set_flags_from_callee for
1140 AGGR_INIT_EXPRs too.
1142 2018-05-15 Jason Merrill <jason@redhat.com>
1144 * cp-tree.h (cp_expr): Remove copy constructor.
1145 * mangle.c (struct releasing_vec): Declare copy constructor.
1147 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1149 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1150 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1151 is a throw-expression.
1153 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1155 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1156 (FOR_EACH_CLONE): Update.
1157 * decl.c (grokdeclarator): Use it.
1158 * decl2.c (vague_linkage_p): Likewise.
1159 * mangle.c (mangle_decl): Likewise.
1160 * method.c (lazily_declare_fn): Likewise.
1161 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1162 * repo.c (repo_emit_p): Likewise.
1163 * tree.c (decl_linkage): Likewise.
1165 2018-05-14 Jason Merrill <jason@redhat.com>
1167 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1168 * tree.c (build_cp_fntype_variant): New.
1169 (build_ref_qualified_type, build_exception_variant)
1170 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1171 (cxx_type_hash_eq, cp_check_qualified_type): Check
1172 TYPE_HAS_LATE_RETURN_TYPE.
1173 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1174 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1175 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1176 (adjust_clone_args): Likewise.
1177 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1178 build_cp_fntype_variant.
1179 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1180 (check_function_type): Use cxx_copy_lang_qualifiers.
1181 (static_fn_type): Use cxx_copy_lang_qualifiers.
1182 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1183 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1184 (change_return_type): Use cxx_copy_lang_qualifiers.
1185 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1186 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1187 return type on the declarator like a normal trailing return type.
1188 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1189 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1190 * typeck.c (merge_types): Use build_cp_fntype_variant.
1192 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1194 * cp-tree.h (TYPE_REF_P): New.
1195 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1196 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1197 direct_reference_binding, reference_binding, implicit_conversion,
1198 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1199 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1200 build_over_call, perform_implicit_conversion_flags,
1201 extend_ref_init_temps, type_has_extended_temps): Use it.
1202 * class.c (one_inheriting_sig, check_field_decls,
1203 check_bases_and_members, find_flexarrays, finish_struct,
1204 fixed_type_or_null): Likewise.
1205 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1206 non_const_var_error, cxx_eval_constant_expression,
1207 potential_constant_expression_1): Likewise.
1208 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1209 cp_genericize_r, cxx_omp_privatize_by_reference,
1210 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1211 cp_fold_maybe_rvalue): Likewise.
1212 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1213 * cvt.c (build_up_reference, convert_to_reference,
1214 convert_from_reference, convert_to_void, noexcept_conv_p,
1215 fnptr_conv_p): Likewise.
1216 * decl.c (poplevel, check_for_uninitialized_const_var,
1217 check_initializer, initialize_local_var, cp_finish_decl,
1218 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1219 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1220 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1221 decl_maybe_constant_var_p): Likewise.
1222 * error.c (dump_type_prefix, dump_expr): Likewise.
1223 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1224 is_admissible_throw_operand_or_catch_parameter): Likewise.
1225 * expr.c (mark_use): Likewise.
1226 * init.c (build_zero_init_1, build_value_init_noctor,
1227 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1228 build_new, build_delete): Likewise.
1229 * lambda.c (build_lambda_object): Likewise.
1230 * mangle.c (write_expression, write_template_arg): Likewise.
1231 * method.c (forward_parm, do_build_copy_constructor,
1232 do_build_copy_assign, build_stub_object, constructible_expr,
1233 walk_field_subobs): Likewise.
1234 * parser.c (cp_parser_omp_for_loop_init,
1235 cp_parser_omp_declare_reduction_exprs,
1236 cp_parser_omp_declare_reduction): Likewise.
1237 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1238 convert_template_argument, tsubst_pack_expansion,
1239 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1240 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1241 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1242 value_dependent_expression_p, build_deduction_guide): Likewise.
1243 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1244 finish_compound_literal, omp_privatize_field,
1245 handle_omp_array_sections_1, handle_omp_array_sections,
1246 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1247 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1248 finish_omp_clauses, finish_decltype_type, capture_decltype,
1249 finish_builtin_launder): Likewise.
1250 * tree.c (lvalue_kind, cp_build_reference_type, move,
1251 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1252 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1253 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1254 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1255 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1256 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1257 convert_for_initialization,
1258 maybe_warn_about_returning_address_of_local, check_return_expr,
1259 cp_type_quals, casts_away_constness, non_reference): Likewise.
1260 * typeck2.c (cxx_readonly_error, store_init_value,
1261 process_init_constructor_record, build_x_arrow, build_functional_cast,
1262 add_exception_specifier): Likewise.
1264 2018-05-14 Jason Merrill <jason@redhat.com>
1266 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1267 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1269 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1271 PR c/85696
1272 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1273 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1274 cxx_omp_predetermined_sharing_1. Rename old function to ...
1275 (cxx_omp_predetermined_sharing_1): ... this.
1276 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1277 instead of cxx_omp_predetermined_sharing.
1279 2018-05-10 Jason Merrill <jason@redhat.com>
1281 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1282 (check_static_variable_definition): Allow auto.
1283 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1285 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1286 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1288 Core issue 2310 - conversion to base of incomplete type.
1289 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1291 CWG 2267 - list-initialization of reference temporary
1292 * call.c (reference_binding): List-initializing a reference
1293 temporary is copy-list-initialization.
1295 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1297 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1298 instantiation in template context.
1300 * class.c (vbase_has_user_provided_move_assign): Use
1301 user_provided_p.
1303 * lambda.c (lambda_expr_this_capture): Improve logic.
1305 * decl.c (make_typename_type): s/parameters/arguments/.
1306 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1307 * pt.c (make_pack_expansion): Correct error message.
1309 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1311 PR c++/85662
1312 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1313 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1314 fold_convert.
1316 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1318 PR c++/85400
1319 * decl2.c (adjust_var_decl_tls_model): New static function.
1320 (comdat_linkage): Call it on a variable.
1321 (maybe_make_one_only): Likewise.
1323 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1325 PR c++/85713
1326 Revert:
1327 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1329 PR c++/84588
1330 * parser.c (cp_parser_parameter_declaration_list): When the
1331 entire parameter-declaration-list is erroneous maybe call
1332 abort_fully_implicit_template.
1334 2018-05-08 Jason Merrill <jason@redhat.com>
1336 PR c++/85706 - class deduction under decltype
1337 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1338 *walk_subtrees whether or not we walked into the operand.
1339 (type_uses_auto): Only look at deduced contexts.
1341 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1343 PR c++/84588
1344 * parser.c (cp_parser_parameter_declaration_list): When the
1345 entire parameter-declaration-list is erroneous maybe call
1346 abort_fully_implicit_template.
1348 2018-05-08 Marek Polacek <polacek@redhat.com>
1350 PR c++/85695
1351 * semantics.c (finish_if_stmt_cond): See through typedefs.
1353 2018-05-07 Jason Merrill <jason@redhat.com>
1355 PR c++/85646 - lambda visibility.
1356 * decl2.c (determine_visibility): Don't mess with template arguments
1357 from the containing scope.
1358 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1359 thunk.
1361 2018-05-07 Nathan Sidwell <nathan@acm.org>
1363 Remove fno-for-scope
1364 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1365 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1366 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1367 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1368 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1369 Don't declare.
1370 * name-lookup.h (struct cp_binding_level): Remove
1371 dead_vars_from_for field.
1372 * cp-lang.c (cp_init_ts): Delete.
1373 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1374 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1375 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1376 (init_shadowed_var_for_decl): Delete.
1377 * decl.c (poplevel): Remove shadowed for var handling.
1378 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1379 * name-lookup.c (find_local_binding): Remove shadowed for var
1380 handling.
1381 (check_local_shadow): Likewise.
1382 (check_for_out_of_scope_variable): Delete.
1383 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1384 handling.
1385 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1386 * semantics.c (begin_for_scope): Always have a scope.
1387 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1388 (begin_range_for_stmt, finish_id_expression): Likewise.
1390 2018-05-07 Jason Merrill <jason@redhat.com>
1392 PR c++/85618 - ICE with initialized VLA.
1393 * tree.c (vla_type_p): New.
1394 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1395 rather than array_of_runtime_bound_p.
1397 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1399 * cvt.c (ocp_convert): Early handle the special case of a
1400 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1402 2018-05-03 Jason Merrill <jason@redhat.com>
1404 PR c++/85600 - virtual delete failure.
1405 * init.c (build_delete): Always save_expr when deleting.
1407 2018-05-03 Nathan Sidwell <nathan@acm.org>
1409 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1410 * name-lookup.c (do_pushdecl): Likewise.
1412 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1413 Jason Merrill <jason@redhat.com>
1415 PR c++/68374
1416 * name-lookup.c (check_local_shadow): Don't handle static old
1417 declarations in the block handling locals shadowing locals.
1419 2018-05-01 Jason Merrill <jason@redhat.com>
1421 PR c++/85587 - error with scoped enum in template.
1422 * semantics.c (finish_qualified_id_expr): Don't return an
1423 unqualified IDENTIFIER_NODE.
1425 2018-04-30 Jason Merrill <jason@redhat.com>
1427 PR c++/85580 - extern "C" and local variables
1428 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1430 PR c++/84701 - unsigned typeof.
1431 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1432 of long/short/signed/unsigned.
1434 PR c++/85305 - pack in lambda init-capture.
1435 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1436 check_for_bare_parameter_packs in a subexpression.
1437 (cp_parser_lambda_introducer): Use it.
1439 PR c++/61982 - dead stores to destroyed objects.
1440 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1441 (build_over_call, build_special_member_call): Use it.
1442 * cp-tree.h: Declare it.
1443 * init.c (build_delete): Remove trivial path.
1445 * init.c (build_dtor_call): Use build_special_member_call.
1446 (build_delete): Remove redundant uses of save_addr.
1448 * decl.c (build_clobber_this): Use build_clobber.
1450 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1452 PR c++/85553
1453 * init.c (build_zero_init_1): For zero initialization of
1454 NULLPTR_TYPE_P type use build_int_cst directly.
1456 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1458 PR c++/85515
1459 * name-lookup.c (consider_binding_level): Skip compiler-generated
1460 variables.
1461 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1462 nested if statements into a series of rejection tests. Reject
1463 lambda-ignored entities as suggestions.
1465 2018-04-27 Jason Merrill <jason@redhat.com>
1467 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1468 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1470 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1472 PR c++/84691
1473 * decl.c (grokdeclarator): Clear friendp upon definition in local
1474 class definition error.
1476 2018-04-27 Jason Merrill <jason@redhat.com>
1478 PR c++/85545 - ICE with noexcept PMF conversion.
1479 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1480 build_ptrmemfunc.
1481 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1482 adjustment.
1483 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1485 2018-04-27 Nathan Sidwell <nathan@acm.org>
1487 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1489 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1490 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1491 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1492 (dump, print_other_binding_stacks): Remove declarations.
1493 * name-lookup.c (print_other_binding_stack): Make static.
1494 * pt.c (build_template_decl): Make static.
1496 2018-04-26 Jason Merrill <jason@redhat.com>
1498 PR c++/85545 - ICE with noexcept PMF conversion.
1499 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1501 2018-04-25 Nathan Sidwell <nathan@acm.org>
1503 PR c++/85437
1504 PR c++/49171
1505 * cp-tree.h (REINTERPRET_CAST_P): New.
1506 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1507 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1508 for non-trivial PTRMEM_CST cases.
1509 * typeck.c (build_nop_reinterpret): New.
1510 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1511 NOP_EXPRs returned by cp_convert.
1513 2018-04-23 Jason Merrill <jason@redhat.com>
1515 PR c++/69560 - wrong alignof(double) on x86.
1516 CWG 1879 - Inadequate definition of alignment requirement.
1517 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1518 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1519 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1520 (cxx_alignof_expr): Pass it.
1521 * parser.c (cp_parser_unary_expression): Pass it.
1522 * pt.c (tsubst_copy): Copy it.
1523 (tsubst_copy_and_build): Pass it.
1524 * decl.c (fold_sizeof_expr): Pass it.
1526 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1527 Jason Merrill <jason@redhat.com>
1529 PR c++/85470 - wrong error with static data member.
1530 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1531 * typeck2.c (store_init_value): Likewise.
1533 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1535 PR c++/85462
1536 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1537 change refcount member from unsigned char to unsigned short,
1538 add refcount_infinity static data member, adjust comments.
1539 * pt.c (tinst_level::refcount_infinity): Define.
1540 (inc_refcount_use): Remove assert, don't increment if refcount
1541 is already refcount_infinity, adjust comment.
1542 (dec_refcount_use): Remove assert, don't decrement if refcount
1543 is refcount_infinity, adjust comment.
1544 (push_tinst_level_loc): Formatting fix.
1546 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1548 PR c++/84611
1549 * pt.c (lookup_template_class_1): Check pushtag return value for
1550 error_mark_node.
1552 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1554 PR c++/80290
1555 * cp-tree.h (tinst_level::free): Fix whitespace.
1557 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1559 PR c++/84630
1560 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1561 for error_mark_node.
1563 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1565 PR c++/84463
1566 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1567 tricks from here to ...
1568 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1569 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1571 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1573 PR c++/80290
1574 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1575 targs. Add private split_list_p, tree_list_p, and not_list_p
1576 inline const predicates; to_list private member function
1577 declaration; free public member function declaration; list_p,
1578 get_node and maybe_get_node accessors, and refcount data
1579 member. Narrow errors to unsigned short.
1580 * error.c (print_instantiation_full_context): Use new
1581 accessors.
1582 (print_instantiation_partial_context_line): Likewise. Drop
1583 const from tinst_level-typed parameter.
1584 * mangle.c (mangle_decl_string): Likewise.
1585 * pt.c (freelist): New template class.
1586 (tree_list_freelist_head): New var.
1587 (tree_list_freelist): New fn, along with specializations.
1588 (tinst_level_freelist_head): New var.
1589 (pending_template_freelist_head): Likewise.
1590 (tinst_level_freelist, pending_template_freelist): New fns.
1591 (tinst_level::to_list, tinst_level::free): Define.
1592 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1593 (set_refcount_ptr): New template fn.
1594 (add_pending_template): Adjust for refcounting, freelists and
1595 new accessors.
1596 (neglectable_inst_p): Take a NULL d as a non-DECL.
1597 (limit_bad_template_recursion): Use new accessors.
1598 (push_tinst_level): New overload to create the list.
1599 (push_tinst_level_loc): Make it static, split decl into two
1600 args, adjust tests and initialization to cope with split
1601 lists, use freelist, adjust for refcounting.
1602 (push_tinst_level_loc): New wrapper with the old interface.
1603 (pop_tinst_level): Adjust for refcounting.
1604 (record_last_problematic_instantiation): Likewise.
1605 (reopen_tinst_level): Likewise. Use new accessors.
1606 (instantiate_alias_template): Adjust for split list.
1607 (fn_type_unification): Likewise.
1608 (get_partial_spec_bindings): Likewise.
1609 (instantiate_pending_templates): Use new accessors. Adjust
1610 for refcount. Release pending_template to freelist.
1611 (instantiating_current_function_p): Use new accessors.
1613 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1615 PR c++/85039
1616 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1617 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1618 if we've seen errors.
1620 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1622 PR c++/85385
1623 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1624 checking that the use is indeed before the definition.
1625 (macro_use_before_def::macro_use_before_def): Make private.
1626 (macro_use_before_def::~macro_use_before_def): Make private. Move
1627 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1628 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1629 than using new directly.
1631 2018-04-12 Jason Merrill <jason@redhat.com>
1633 PR c++/85356 - ICE with pointer to member function.
1634 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1635 flag_noexcept_type. Build the new spec within the function context.
1636 * except.c (build_noexcept_spec): Do get constant value in templates
1637 if flag_noexcept_type.
1638 * decl.c (check_redeclaration_exception_specification): Don't
1639 instantiate noexcept on a dependent declaration.
1641 2018-04-12 Marek Polacek <polacek@redhat.com>
1643 PR c++/85258
1644 * constexpr.c (reduced_constant_expression_p): Return false for null
1645 trees.
1647 2018-04-11 Marek Polacek <polacek@redhat.com>
1649 PR c++/85032
1650 * constexpr.c (potential_constant_expression_1): Consider conversions
1651 from classes to literal types potentially constant.
1653 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1655 PR c++/70808
1656 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1657 the type like TYPE_PTR_OR_PTRMEM_P.
1659 2018-04-10 Jason Merrill <jason@redhat.com>
1661 PR debug/65821 - wrong location for main().
1662 * call.c (clear_location_r, convert_default_arg): Revert.
1663 * tree.c (break_out_target_exprs): Add clear_location parm.
1664 (struct bot_data): New.
1665 (bot_manip): Clear location if requested.
1666 * init.c (get_nsdmi): Pass clear_location.
1668 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1670 PR c++/85110
1671 * call.c (get_fndecl_argument_location): Make non-static.
1672 * cp-tree.h (get_fndecl_argument_location): New decl.
1673 * typeck.c (convert_for_assignment): When complaining due to
1674 conversions for an argument, show the location of the parameter
1675 within the decl.
1677 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1679 PR c++/85312 - P0962 cleanup
1680 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1681 diagnostics.
1683 2018-04-10 Jason Merrill <jason@redhat.com>
1685 PR debug/65821 - wrong location for main().
1686 * call.c (clear_location_r): New.
1687 (convert_default_arg): Use it.
1688 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1690 PR c++/85285 - ICE with flexible array after substitution.
1691 * pt.c (instantiate_class_template_1): Check for flexible array in
1692 union.
1694 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1696 PR c++/85227
1697 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1698 issue a pedwarn and defer trying to do bindings.
1700 2018-04-09 Jason Merrill <jason@redhat.com>
1702 PR c++/85279 - dump_expr doesn't understand decltype.
1703 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1705 PR c++/85262 - ICE with redundant qualification on constructor.
1706 * call.c (build_new_method_call_1): Move make_args_non_dependent
1707 after A::A() handling.
1709 PR c++/85277 - ICE with invalid offsetof.
1710 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1711 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1713 PR c++/85264 - ICE with excess template-parameter-list.
1714 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1715 parameter. Don't allow an extra template header if true.
1716 (cp_parser_class_head): Pass template_id_p.
1717 (cp_parser_elaborated_type_specifier): Likewise.
1718 (cp_parser_alias_declaration): Likewise.
1719 (cp_parser_check_declarator_template_parameters): Likewise.
1721 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1723 PR c++/85194
1724 * parser.c (cp_parser_simple_declaration): For structured bindings,
1725 if *maybe_range_for_decl is NULL after parsing it, set it to
1726 error_mark_node.
1728 2018-04-09 Jason Merrill <jason@redhat.com>
1730 PR c++/85256 - ICE capturing pointer to VLA.
1731 * lambda.c (add_capture): Distinguish between variable-size and
1732 variably-modified types.
1734 2018-04-06 Jason Merrill <jason@redhat.com>
1736 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1737 * pt.c (extract_locals_r): Remember local typedefs.
1739 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1741 PR c++/84269
1742 * name-lookup.c (struct std_name_hint): Move out of
1743 get_std_name_hint; add field "min_dialect".
1744 (get_std_name_hint): Add min_dialect values to all initializers.
1745 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1746 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1747 <shared_mutex>, <string_view>, <thread>, and <variant>.
1748 Add fstream, ifstream, and ofstream to <fstream>.
1749 Add istringstream, ostringstream, and stringstream to <sstream>.
1750 Add basic_string to <string>.
1751 Add tuple_element and tuple_size to <tuple>.
1752 Add declval to <utility>.
1753 Fix ordering of <queue> and <tuple>.
1754 Return a std_name_hint, rather than a const char *.
1755 (get_cxx_dialect_name): New function.
1756 (maybe_suggest_missing_std_header): Detect names that aren't yet
1757 available in the current dialect, and instead of suggesting a
1758 missing #include, warn about the dialect.
1760 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1762 PR c++/85210
1763 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1764 errorcount is set if tsubst doesn't return a VAR_DECL.
1766 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1768 PR c++/85021
1769 * name-lookup.c (using_directives_contain_std_p): New function.
1770 (has_using_namespace_std_directive_p): New function.
1771 (suggest_alternatives_for): Simplify if/else logic using early
1772 returns. If no candidates were found, and there's a
1773 "using namespace std;" directive, call
1774 maybe_suggest_missing_std_header.
1775 (maybe_suggest_missing_header): Split later part of the function
1776 into..
1777 (maybe_suggest_missing_std_header): New.
1779 2018-04-06 Jason Merrill <jason@redhat.com>
1781 PR c++/85242 - ICE with class definition in template parm.
1782 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1783 processing_template_parmlist.
1785 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1786 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1788 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1790 PR c++/85209
1791 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1792 is not prev, if prev == decl.
1794 PR c++/85208
1795 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1796 maybe_apply_pragma_weak here...
1797 (cp_maybe_mangle_decomp): ... but call it here instead.
1799 2018-04-05 Jason Merrill <jason@redhat.com>
1801 PR c++/85136 - ICE with designated init in template.
1802 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1803 designated initializer.
1804 (check_array_designated_initializer): Update ce->index with the
1805 constant value.
1807 PR c++/83808 - ICE with VLA initialization.
1808 * typeck2.c (process_init_constructor_array): Don't require a VLA
1809 initializer to have VLA type.
1811 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1813 PR c++/80956
1814 * call.c (convert_like_real): Fail gracefully for a broken
1815 std::initializer_list, missing a definition.
1817 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1819 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1821 PR c++/84792
1822 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1823 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1825 2018-04-05 Jason Merrill <jason@redhat.com>
1827 PR c++/82152 - ICE with class deduction and inherited ctor.
1828 * pt.c (do_class_deduction): Ignore inherited ctors.
1830 PR c++/84665 - ICE with array of empty class.
1831 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1833 PR c++/85228 - ICE with lambda in enumerator in template.
1834 * pt.c (bt_instantiate_type_proc): Don't assume
1835 CLASSTYPE_TEMPLATE_INFO is non-null.
1837 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1839 Implement P0969
1840 * decl.c (find_decomp_class_base): Check accessibility instead
1841 of declared access, adjust diagnostic.
1843 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1845 Implement P0961
1846 * decl.c (get_tuple_decomp_init): Check the templatedness
1847 of a member get.
1849 2018-04-05 Jason Merrill <jason@redhat.com>
1851 PR c++/85200 - ICE with constexpr if in generic lambda.
1852 * pt.c (extract_locals_r): Don't record the local specs of variables
1853 declared within the pattern.
1855 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1857 PR c++/84979
1858 * pt.c (check_auto_in_tmpl_args): New.
1859 (tsubst_qualified_id): Use it to reject template args
1860 referencing auto for non-type templates.
1861 * parser.c (cp_parser_template_id): Likewise.
1862 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1863 * typeck2.c (build_functional_cast): Report correct location
1864 for invalid use of auto.
1866 2018-04-04 Jason Merrill <jason@redhat.com>
1868 PR c++/85215 - ICE with copy-init from conversion.
1869 * call.c (merge_conversion_sequences): Fix type of direct binding
1870 sequence.
1872 PR c++/84938 - ICE with division by ~-1.
1873 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1875 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1876 * parser.c (cp_parser_mem_initializer_list): Call
1877 check_for_bare_parameter_packs.
1879 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1881 PR inline-asm/85172
1882 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1883 builtin_valid_in_constant_expr_p functions, don't call
1884 cxx_eval_constant_expression if argument is not
1885 potential_constant_expression.
1887 PR c++/85146
1888 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1889 argument.
1890 * semantics.c (calculate_bases): Add complain argument. Use
1891 complete_type_or_maybe_complain instead of just complete_type and
1892 return an empty vector if it fails. Move make_tree_vector () call
1893 after early return. Formatting fixes.
1894 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1895 end.
1896 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1897 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1898 calculate_direct_bases callers, formatting fixes.
1900 2018-04-04 Jason Merrill <jason@redhat.com>
1902 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1903 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1905 PR c++/85200 - ICE with constexpr if in generic lambda.
1906 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1908 PR c++/84221 - bogus -Wunused with attribute and template.
1909 * decl2.c (is_late_template_attribute): Handle unused and used
1910 normally on non-TYPE_DECL.
1912 PR c++/85135 - ICE with omitted template arguments.
1913 * decl.c (grokdeclarator): Catch deduced class type in trailing
1914 return type.
1916 PR c++/85133 - ICE with missing concept initializer.
1917 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1918 true.
1920 PR c++/85118 - wrong error with generic lambda and std::bind.
1921 * call.c (add_template_conv_candidate): Disable if there are any
1922 call operators.
1924 PR c++/85141 - ICE with compound assignment and static member fn.
1925 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1926 compound assignment.
1928 PR c++/85148 - ICE with 'this' in array NSDMI.
1929 * tree.c (replace_placeholders_r): Use handled_component_p.
1931 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1933 PR c++/65923
1934 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1935 * parser.c (cp_parser_unqualified_id): ..not here.
1937 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
1939 PR c++/84943
1940 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1941 used.
1942 * decl2.c (mark_used): Return without effects if tf_conv.
1944 2018-04-03 Jason Merrill <jason@redhat.com>
1946 PR c++/85092 - C++17 ICE with unused list constructor.
1947 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1948 from a TARGET_EXPR.
1950 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1951 * constexpr.c (cxx_eval_builtin_function_call): Only defer
1952 __builtin_constant_p if ctx->quiet.
1954 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
1956 PR c++/84768
1957 * pt.c (rewrite_template_parm): If the first argument is
1958 error_mark_node return it immediately.
1959 (build_deduction_guide): Check the return value of the
1960 latter for error_mark_node.
1961 (do_class_deduction): Check the return value of the latter.
1963 2018-04-03 Jason Merrill <jason@redhat.com>
1965 * semantics.c (finish_if_stmt_cond): Use
1966 instantiation_dependent_expression_p.
1968 PR c++/85149 - generic lambda and constexpr if.
1969 * pt.c (build_extra_args, add_extra_args): Split from
1970 tsubst_pack_expansion.
1971 (tsubst_expr) [IF_STMT]: Use them.
1972 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1974 * typeck.c (merge_types): Limit matching attribute shortcut to
1975 the default case.
1977 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1979 PR c++/85147
1980 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1982 PR c++/85140
1983 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1984 is error_mark_node.
1986 PR c++/85134
1987 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1988 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1989 instead for static data members clear init and set DECL_EXTERNAL.
1991 2018-04-02 Jason Merrill <jason@redhat.com>
1993 PR c++/64095 - auto... parameter pack.
1994 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1995 into packs here.
1996 (cp_parser_parameter_declaration_list): Not here.
1998 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2000 PR c++/85027
2001 * class.c (instantiate_type): Peel off SAVE_EXPR before
2002 BASELINK.
2004 2018-03-30 Jason Merrill <jason@redhat.com>
2006 * typeck2.c (process_init_constructor_record): Use
2007 init_list_type_node for the CONSTRUCTOR around an anonymous union
2008 designated initializer.
2010 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2012 PR c++/84791
2013 * semantics.c (finish_omp_reduction_clause): If
2014 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2015 even if processing_template_decl.
2017 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2019 PR c++/84269
2020 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2021 <tuple>, and <utility>.
2023 2018-03-29 Jason Merrill <jason@redhat.com>
2025 PR c++/85093 - too many template args with pack expansion.
2026 * pt.c (coerce_template_parms): Keep pack expansion args that will
2027 need to be empty.
2029 2018-03-29 Jason Merrill <jason@redhat.com>
2031 * pt.c (build_non_dependent_expr): Propagate expr location.
2033 2018-03-27 Jason Merrill <jason@redhat.com>
2035 PR c++/85060 - wrong-code with call to base member in template.
2036 * search.c (any_dependent_bases_p): Check uses_template_parms
2037 rather than processing_template_decl.
2039 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2041 PR c++/85110
2042 * typeck.c (convert_for_assignment): When complaining due to
2043 conversions for an argument, attempt to use the location of the
2044 argument.
2046 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2048 PR c++/85028
2049 * pt.c (tsubst_default_argument): Early return if the type of the
2050 parameter is erroneous.
2052 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2054 PR c++/84973
2055 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2056 templates.
2058 PR c++/84968
2059 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2061 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2063 PR c++/85067
2064 * method.c (defaulted_late_check): Partially revert r253321 changes,
2065 do not early return upon error.
2067 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2069 PR c++/85077
2070 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2071 type call fold to generate VECTOR_CSTs when possible.
2073 PR c++/85076
2074 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2075 return it right away.
2077 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2079 * search.c (check_final_overrider): Use inform instead of error
2080 for the diagnostics of the overridden functions. Tweak wording.
2082 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2084 PR c++/85068
2085 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2086 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2088 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2089 Jason Merrill <jason@redhat.com>
2091 PR c++/84632
2092 * init.c (build_aggr_init): When initializing from array,
2093 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2094 (build_vec_init): Handle separately ARRAY_TYPEs.
2096 2018-03-26 Jason Merrill <jason@redhat.com>
2098 PR c++/85062 - ICE with alignas in wrong place.
2099 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2100 here.
2102 PR c++/85049 - ICE with __integer_pack.
2103 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2104 * cp-tree.h (TEMPLATE_PARM_P): New.
2106 2018-03-23 Jason Merrill <jason@redhat.com>
2108 PR c++/78489 - wrong SFINAE behavior.
2110 PR c++/84489
2111 * pt.c (type_unification_real): Don't defer substitution failure.
2113 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2115 PR c++/85015
2116 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2117 result.
2119 PR c++/84942
2120 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2121 cp_build_unary_op call with gcc_unreachable ().
2123 2018-03-23 Marek Polacek <polacek@redhat.com>
2125 PR c++/85045
2126 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2127 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2128 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2130 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2132 Implement P0962
2133 * parser.c (cp_parser_perform_range_for_lookup): Change
2134 the condition for deciding whether to use members.
2136 2018-03-23 Marek Polacek <polacek@redhat.com>
2138 PR c++/85033
2139 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2141 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2143 PR c++/71251
2144 * parser.c (cp_parser_alias_declaration): Call
2145 parser_check_template_parameters.
2147 PR c++/84789
2148 * pt.c (resolve_typename_type): Drop assert that stopped
2149 simplification to template-independent types. Add assert to
2150 verify the initial scope is template dependent.
2151 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2152 Reparse the id expression as a type-name, not a declarator.
2154 PR c++/84729
2155 * init.c (build_vec_init): Error at parenthesized array init.
2157 PR c++/84610
2158 PR c++/84642
2159 PR c++/84942
2160 * cp-tree.h (temp_override): New template class, generalizing
2161 a cleanup that was only used...
2162 * parser.c (cp_parser_parameter_declaration_clause):
2163 ... here for auto_is_implicit_function_template_parm_p.
2164 (cp_parser_gnu_attributes_opt): Use it here as well.
2165 (cp_parser_std_attribute): Likewise.
2167 2018-03-22 Marek Polacek <polacek@redhat.com>
2169 PR c++/84854
2170 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2171 is boolean.
2173 2018-03-21 Jason Merrill <jason@redhat.com>
2175 PR c++/81311 - wrong C++17 overload resolution.
2176 * call.c (build_user_type_conversion_1): Remove C++17 code.
2177 (conv_binds_ref_to_prvalue): New.
2178 (build_over_call): Handle C++17 copy elision.
2179 (build_special_member_call): Only do C++17 copy elision here if the
2180 argument is already the right type.
2182 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2184 PR c++/71965
2185 * init.c (build_vec_init): Silence error, former sorry,
2186 without tf_error.
2188 PR c++/84610
2189 PR c++/84642
2190 * parser.c (abort_fully_implicit_template_p): New.
2191 (cp_parser_skip_to_end_of_statement): Use it.
2192 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2193 (finish_fully_implicit_template_p): Clear
2194 implicit_template_parms and implicit_template_scope.
2196 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2198 PR c++/84972
2199 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2200 error_mark_node when check_array_designated_initializer fails.
2202 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2204 PR c++/84961
2205 * cp-tree.h (genericize_compound_lvalue): Declare.
2206 * typeck.c (genericize_compound_lvalue): New function.
2207 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2208 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2209 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2210 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2211 COMPOUND_EXPR operand.
2213 2018-03-21 Nathan Sidwell <nathan@acm.org>
2215 PR c++/85008
2216 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2217 * decl2.c (vague_linkage_p): Likewise.
2219 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2221 PR c++/84994
2222 * constexpr.c (constexpr_fn_retval): Make non-"static".
2223 * cp-tree.h (constexpr_fn_retval): New decl.
2224 * search.c (direct_accessor_p): Update leading comment.
2225 (reference_accessor_p): Likewise.
2226 (field_accessor_p): Replace check that function body is a
2227 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2228 indentation of "field_type" decl.
2230 2018-03-21 Nathan Sidwell <nathan@acm.org>
2232 PR c++/84804
2233 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2234 complete classes.
2236 2018-03-21 Martin Sebor <msebor@redhat.com>
2238 PR c++/84850
2239 * call.c (first_non_public_field): New template and function.
2240 (first_non_trivial_field): New function.
2241 (maybe_warn_class_memaccess): Call them.
2243 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2245 PR c++/84892
2246 * search.c (field_accessor_p): Use class_of_this_parm rather than
2247 type_of_this_parm, to check that "this" is a "const T *", rather
2248 than a "T *const".
2250 2018-03-21 Nathan Sidwell <nathan@acm.org>
2252 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2253 other than public non-static data members.
2254 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2255 parenthesized initializer.
2257 PR c++/84836
2258 * name-lookup.c (update_binding): Correct logic for local binding
2259 update.
2261 2018-03-21 Marek Polacek <polacek@redhat.com>
2263 PR c++/71638, ICE with NSDMI and reference.
2264 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2265 even when we replace an element.
2267 2018-03-20 Marek Polacek <polacek@redhat.com>
2269 PR c++/84978, ICE with NRVO.
2270 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2271 a RESULT_DECL isn't in the hash map.
2273 2018-03-20 Jason Merrill <jason@redhat.com>
2275 PR c++/84978, ICE with NRVO.
2276 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2277 (cp_get_callee_fndecl_nofold): New.
2278 * cp-gimplify.c (cp_genericize_r): Use it instead.
2279 * call.c (check_self_delegation): Likewise.
2281 2018-03-20 Nathan Sidwell <nathan@acm.org>
2283 PR c++/84962
2284 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2285 member_vec, if there is one.
2287 PR c++/84970
2288 * cp-tree.h (lookup_list_keep): Declare.
2289 * tree.c (lookup_list_keep): New, broken out of ...
2290 (build_min): ... here. Call it.
2291 * decl.c (cp_finish_decl): Call lookup_list_keep.
2293 2018-03-19 Jason Merrill <jason@redhat.com>
2295 PR c++/84937 - ICE with class deduction and auto.
2296 * pt.c (rewrite_template_parm): Fix auto handling.
2298 2018-03-19 Marek Polacek <polacek@redhat.com>
2300 PR c++/84925
2301 * pt.c (enclosing_instantiation_of): Check if fn is null.
2303 PR c++/84927
2304 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2305 as we evaluate the elements.
2306 (cxx_eval_constant_expression): Verify constructor's flags
2307 unconditionally.
2309 2018-03-19 Jason Merrill <jason@redhat.com>
2311 PR c++/71834 - template-id with too few arguments.
2312 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2314 2018-03-19 Nathan Sidwell <nathan@acm.org>
2316 PR c++/84835
2317 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2318 * pt.c (build_template_decl): Propagate language linkage.
2320 PR c++/84812
2321 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2322 ambiguous lookups.
2324 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2326 PR c/84910
2327 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2328 diagnostics.
2329 * method.c (synthesize_method): Likewise.
2330 * pt.c (convert_nontype_argument): Likewise.
2332 2018-03-16 Jason Merrill <jason@redhat.com>
2334 PR c++/84720 - ICE with rvalue ref non-type argument.
2335 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2336 (convert_nontype_argument): Revert earlier change.
2338 PR c++/80227 - SFINAE and negative array size.
2339 * decl.c (compute_array_index_type): Use
2340 build_converted_constant_expr and valid_constant_size_p.
2342 PR c++/84906 - silent wrong code with ambiguous conversion.
2343 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2344 ambiguous conversion.
2345 (convert_like_real): Check it.
2347 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2348 * call.c (build_special_member_call): Don't convert an init-list
2349 argument directly to the class type.
2351 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2353 PR c++/79937
2354 PR c++/82410
2355 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2356 (find_placeholder): Declare.
2357 * tree.c (struct replace_placeholders_t): Add exp member.
2358 (replace_placeholders_r): Don't walk into ctors with
2359 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2360 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2361 (replace_placeholders): Initialize data.exp.
2362 (find_placeholders_r, find_placeholders): New functions.
2363 * typeck2.c (process_init_constructor_record,
2364 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2365 if adding NSDMI on which find_placeholder returns true.
2366 * call.c (build_over_call): Don't call replace_placeholders here.
2367 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2368 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2369 TARGET_EXPR_INITIAL.
2370 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2371 ctor.
2373 2018-03-16 Jason Merrill <jason@redhat.com>
2375 PR c++/83911 - ICE with multiversioned constructor.
2376 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2377 dispatchere here.
2378 * call.c (build_over_call): Not here.
2380 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2382 PR c++/84874
2383 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2384 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2386 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2388 PR c++/84222
2389 * cp-tree.h (cp_warn_deprecated_use): Declare.
2390 * tree.c (cp_warn_deprecated_use): New function.
2391 * typeck2.c (build_functional_cast): Use it.
2392 * decl.c (grokparms): Likewise.
2393 (grokdeclarator): Likewise. Temporarily push nested class scope
2394 around grokparms call for out of class member definitions.
2396 2018-03-14 Jason Merrill <jason@redhat.com>
2398 PR c++/84820 - no error for invalid qualified-id.
2399 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2400 cp_error_declarator.
2402 PR c++/84801 - ICE with unexpanded pack in lambda.
2403 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2404 lambda in non-template context.
2406 PR c++/81236 - auto variable and auto function
2407 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2408 mark_used.
2410 2018-03-14 Jason Merrill <jason@redhat.com>
2412 PR c++/83916 - ICE with template template parameters.
2413 * pt.c (convert_template_argument): Don't substitute into type of
2414 non-type parameter if we don't have enough arg levels.
2415 (unify): Likewise.
2417 2018-03-14 Marek Polacek <polacek@redhat.com>
2419 PR c++/84596
2420 * semantics.c (finish_static_assert): Check
2421 instantiation_dependent_expression_p instead of
2422 {type,value}_dependent_expression_p.
2424 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2425 Jason Merrill <jason@redhat.com>
2427 PR c++/82336 - link error with list-init default argument.
2428 * decl.c (check_default_argument): Unshare an initializer list.
2430 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2432 PR c++/84843
2433 * decl.c (duplicate_decls): For redefinition of built-in, use error
2434 and return error_mark_node. For redeclaration, return error_mark_node
2435 rather than olddecl if !flag_permissive.
2437 2018-03-13 Jason Merrill <jason@redhat.com>
2439 PR c++/82565 - ICE with concepts and generic lambda.
2440 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2442 2018-03-13 Jason Merrill <jason@redhat.com>
2444 PR c++/84720 - ICE with rvalue ref non-type argument.
2445 * pt.c (convert_nontype_argument): Handle rvalue references.
2447 PR c++/84839 - ICE with decltype of parameter pack.
2448 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2449 instantiating dummy parms.
2451 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2452 parameter even without -Wpedantic.
2454 PR c++/84798 - ICE with auto in abstract function declarator.
2455 * parser.c (cp_parser_parameter_declaration_clause): Check
2456 parser->default_arg_ok_p.
2458 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2460 PR c++/84808
2461 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2462 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2463 sizetype. Formatting fixes.
2465 2018-03-12 Jason Merrill <jason@redhat.com>
2467 PR c++/84355 - ICE with deduction for member class template.
2468 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2469 CLASS_PLACEHOLDER_TEMPLATE.
2471 PR c++/84802 - ICE capturing uninstantiated class.
2472 * lambda.c (build_capture_proxy): Call complete_type.
2474 2018-03-09 Jason Merrill <jason@redhat.com>
2476 PR c++/84770 - ICE with typedef and parameter pack.
2477 * pt.c (verify_unstripped_args_1): Split out from
2478 verify_unstripped_args.
2480 PR c++/84785 - ICE with alias template and default targs.
2481 * pt.c (type_unification_real): Set processing_template_decl if
2482 saw_undeduced == 1.
2484 PR c++/84752 - ICE with capture of constexpr array.
2485 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2486 identity conversion under ck_lvalue.
2488 2018-03-09 Jason Merrill <jason@redhat.com>
2489 Paolo Carlini <paolo.carlini@oracle.com>
2491 PR c++/71169
2492 PR c++/71832
2493 * pt.c (any_erroneous_template_args_p): New.
2494 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2495 * parser.c (cp_parser_class_specifier_1): Use it.
2497 2018-03-09 Jason Merrill <jason@redhat.com>
2499 PR c++/84726 - unnecessary capture of constant vars.
2500 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2501 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2502 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2503 * lambda.c (is_constant_capture_proxy)
2504 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2505 (prune_lambda_captures): New.
2506 (finish_lambda_function): Call prune_lambda_captures.
2508 2018-03-09 Jason Merrill <jason@redhat.com>
2509 Jakub Jelinek <jakub@redhat.com>
2511 PR c++/84076
2512 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2513 build ADDR_EXPR with REFERENCE_TYPE.
2514 (build_over_call): For purposes of check_function_arguments, if
2515 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2516 its operand rather than the argument itself.
2518 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2520 PR c++/84724
2521 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2522 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2523 also a note and return olddecl.
2525 2018-03-09 Nathan Sidwell <nathan@acm.org>
2527 PR c++/84733
2528 * name-lookup.c (do_pushdecl_with_scope): Only clear
2529 current_function_decl when pushing a non-class (i.e. namespace)
2530 scope.
2532 2018-03-08 Jason Merrill <jason@redhat.com>
2533 Jakub Jelinek <jakub@redhat.com>
2535 PR c++/80598
2536 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2537 not calling mark_used for the benefit of -Wunused-function warning.
2539 2018-03-06 Jason Merrill <jason@redhat.com>
2541 * lambda.c (is_capture_proxy_with_ref): Remove.
2542 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2544 2018-03-06 Marek Polacek <polacek@redhat.com>
2546 PR c++/84684
2547 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2548 arguments.
2550 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2552 PR c++/84231
2553 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2554 only while processing template decls.
2555 * typeck.c (build_x_conditional_expr): Move wrapping of
2556 reference type around type...
2557 * call.c (build_conditional_expr_1): ... here. Rename
2558 is_lvalue to is_glvalue.
2559 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2560 INDIRECT_REF of COND_EXPR too.
2562 PR c++/84593
2563 * init.c (build_zero_init_1): Zero-initialize references.
2565 PR c++/84492
2566 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2567 overloads used as stmt expr values.
2569 2018-03-05 Jason Merrill <jason@redhat.com>
2571 PR c++/84708 - ICE with lambda in local class NSDMI.
2572 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2573 context.
2575 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2577 PR c++/84684
2578 * constexpr.c (constexpr_call_hasher::equal): Return false if
2579 lhs->hash != rhs->hash. Change return 1 to return true and
2580 return 0 to return false.
2582 2018-03-05 Nathan Sidwell <nathan@acm.org>
2584 PR c++/84702
2585 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2587 2018-03-05 Marek Polacek <polacek@redhat.com>
2589 PR c++/84707
2590 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2591 UDLIT_OPER_P.
2593 2018-03-05 Nathan Sidwell <nathan@acm.org>
2595 PR c++/84694
2596 * friend.c (do_friend): Restore check for identifier_p inside
2597 TEMPLATE_ID_EXPR.
2599 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2601 PR c++/84618
2602 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2603 involving a VAR_DECL or a PARM_DECL.
2605 2018-03-05 Pádraig Brady <P@draigBrady.com>
2606 Jason Merrill <jason@redhat.com>
2607 Nathan Sidwell <nathan@acm.org>
2609 PR c++/84497
2610 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2612 2018-03-03 Jason Merrill <jason@redhat.com>
2614 PR c++/84686 - missing volatile loads.
2615 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2617 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2619 PR c++/71464
2620 * optimize.c (maybe_thunk_body): Bail out immediately if either
2621 fns[0] or fns[1] is null.
2623 2018-03-02 Marek Polacek <polacek@redhat.com>
2625 PR c++/84578
2626 * constexpr.c (get_array_or_vector_nelts): New.
2627 (cxx_eval_array_reference): Use it.
2628 (cxx_eval_vec_init_1): Likewise.
2629 (cxx_eval_store_expression): Likewise.
2631 2018-03-02 Jason Merrill <jason@redhat.com>
2633 * semantics.c (force_paren_expr): Remove redundant test.
2635 2018-03-02 Marek Polacek <polacek@redhat.com>
2637 PR c++/84663
2638 * decl.c (cp_complete_array_type): Check error_mark_node.
2640 PR c++/84664
2641 * typeck.c (cp_perform_integral_promotions): Check the result of
2642 mark_rvalue_use.
2644 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2646 PR c++/84662
2647 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2648 RETURN instead of return.
2649 <case POINTER_PLUS_EXPR>: Likewise.
2650 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2651 it instead of wrapping it into CONVERT_EXPR.
2653 2018-03-02 Jason Merrill <jason@redhat.com>
2655 Fix MIPS16 ICE.
2656 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2658 2018-03-02 Marek Polacek <polacek@redhat.com>
2660 PR c++/84590
2661 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2662 wrapped in VIEW_CONVERT_EXPR.
2664 2018-03-01 Martin Sebor <msebor@redhat.com>
2666 PR c++/84294
2667 * decl.c (check_redeclaration_no_default_args): Merge attributes
2668 specified on redeclarations of the same function template.
2669 Remove dead code.
2671 2018-03-01 Marek Polacek <polacek@redhat.com>
2672 Jason Merrill <jason@redhat.com>
2674 PR c++/84582
2675 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2676 a template.
2677 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2678 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2679 of instantiate_non_dependent_expr.
2680 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2682 2018-03-01 Nathan Sidwell <nathan@acm.org>
2684 PR c++/84434
2685 * name-lookup.c (member_vec_dedup): Remove manually peeled
2686 iteration. Ignore dependent ctor inheritance.
2688 2018-03-01 Jason Merrill <jason@redhat.com>
2690 PR c++/71569 - decltype of template.
2691 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2693 2018-03-01 Marek Polacek <polacek@redhat.com>
2695 PR c++/84596
2696 * constexpr.c (require_rvalue_constant_expression): New function.
2697 * cp-tree.h: Declare it.
2698 * semantics.c (finish_static_assert): Use it instead of
2699 require_potential_rvalue_constant_expression.
2701 2018-03-01 Jason Merrill <jason@redhat.com>
2702 Alexandre Oliva <aoliva@redhat.com>
2704 PR c++/71569 - ICE with redundant args on member variable template.
2705 * decl.c (start_decl): Handle partial specialization of member
2706 variable template.
2707 * pt.c (determine_specialization): Allow partial specialization
2708 of member variable template without specializing enclosing class.
2709 (process_partial_specialization): Improve error message.
2711 2018-02-28 Jason Merrill <jason@redhat.com>
2713 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2714 * pt.c (determine_specialization): Check ref-qualifier.
2716 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2718 PR c++/84609
2719 * parser.c (cp_parser_attributes_opt): Formatting fix.
2720 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2721 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2722 New functions.
2723 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2724 instead of tentative parse to peek over optional attribute tokens
2725 to check for CPP_COLON after them.
2727 PR c++/83871
2728 PR c++/83503
2729 * pt.c (INCLUDE_STRING): Remove define.
2730 (warn_spec_missing_attributes): Use pretty_printer instead of
2731 std::string. Fix up inform call so that the list of attributes
2732 is in %s argument.
2734 2018-02-28 Martin Sebor <msebor@redhat.com>
2736 PR testsuite/84617
2737 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2738 and malloc.
2740 2018-02-28 Nathan Sidwell <nathan@acm.org>
2742 PR c++/84602
2743 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2744 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2745 regardless of want_type.
2746 (search_anon_aggr): Just use get_class_binding_direct.
2748 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2750 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2751 inform_n.
2753 2018-02-27 Martin Sebor <msebor@redhat.com>
2755 * pt.c: Avoid including <string> directly.
2757 2018-02-27 Martin Sebor <msebor@redhat.com>
2759 PR c++/83871
2760 PR c++/83503
2761 * cp-tree.h (warn_spec_missing_attributes): New function.
2762 ((check_explicit_specialization): Add an argument. Call the above
2763 function.
2764 * decl.c (duplicate_decls): Avoid applying primary function template's
2765 attributes to its explicit specializations.
2766 cp/pt.c (warn_spec_missing_attributes): Define.
2768 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
2770 PR c++/71546 - lambda init-capture with qualified-id.
2771 * parser.c (cp_parser_lambda_introducer): Clear scope after
2772 each lambda capture.
2774 2018-02-27 Nathan Sidwell <nathan@acm.org>
2776 PR c++/84426
2777 * name-lookup.h (get_member_slot): Rename ...
2778 (find_member_slot): ... here.
2779 (add_member_slot): New.
2780 * name-lookup.c (member_vec_linear_search): No need to check for
2781 NULL slot.
2782 (get_member_slot): Rename ...
2783 (find_member_slot): ... here. Don't add slot for incomplete class.
2784 (add_member_slot): New.
2785 * class.c (add_method): Adjust get_member_slot rename. Bail out
2786 if push_class_level_binding fails. Create slot and grok
2787 properties once we're committed to insertion.
2789 2018-02-27 Jason Merrill <jason@redhat.com>
2791 PR c++/84489 - dependent default template argument
2792 * pt.c (type_unification_real): Handle early substitution failure.
2794 2018-02-26 Jason Merrill <jason@redhat.com>
2796 PR c++/84560 - ICE capturing multi-dimensional VLA.
2797 * tree.c (array_of_runtime_bound_p): False if the element is
2798 variably-modified.
2800 PR c++/84441 - ICE with base initialized from ?:
2801 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2803 PR c++/84520 - ICE with generic lambda in NSDMI.
2804 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2805 'this' in a generic lambda instantiation.
2807 PR c++/84559 - ICE with constexpr VLA.
2808 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2809 for constexpr variable with VLA type.
2811 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2813 PR c++/84558
2814 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2815 a valid constant initializer. Formatting fixes.
2817 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2819 PR c++/84540
2820 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2821 returning NULL_TREE.
2822 (apply_late_template_attributes): Likewise.
2824 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2826 PR c++/84557
2827 * parser.c (cp_parser_omp_var_list_no_open): Only call
2828 cp_parser_lookup_name_simple on names satisfying identifier_p.
2829 (cp_parser_oacc_routine): Likewise.
2831 2018-02-26 Jason Merrill <jason@redhat.com>
2833 PR c++/84551 - ICE with concepts and -g.
2834 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2836 2018-02-26 Marek Polacek <polacek@redhat.com>
2838 PR c++/84325
2839 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2840 non-types.
2842 2018-02-26 Jason Merrill <jason@redhat.com>
2844 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2845 * call.c (build_over_call): Handle deleted functions in one place.
2847 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2849 PR c++/84533
2850 * decl.c (redeclaration_error_message): Don't try to use
2851 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2853 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2855 * lambda.c (build_capture_proxy): Define static.
2856 * cp-tree.h (build_capture_proxy): Remove.
2858 2018-02-26 Marek Polacek <polacek@redhat.com>
2860 PR c++/84537
2861 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2862 if name is error node.
2864 2018-02-25 Jason Merrill <jason@redhat.com>
2866 PR c++/84015 - ICE with class deduction and auto template parm.
2867 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2869 2018-02-24 Marek Polacek <polacek@redhat.com>
2871 PR c++/83692
2872 * constexpr.c (maybe_constant_init_1): New function.
2873 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2874 (cxx_constant_init): New function.
2875 * cp-tree.h (cxx_constant_init): Declare.
2876 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2877 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2879 2018-02-22 Jason Merrill <jason@redhat.com>
2881 PR c++/70468 - ICE with constructor delegation via typedef.
2882 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2883 with constructor delegation.
2885 2018-02-22 Jason Merrill <jason@redhat.com>
2887 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2888 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2889 VECTOR_TYPE.
2891 2018-02-22 Marek Polacek <polacek@redhat.com>
2893 PR c++/84493
2894 * parser.c (cp_parser_braced_list): Use require_open instead of
2895 consume_open.
2897 2018-02-21 Jason Merrill <jason@redhat.com>
2899 PR c++/84454 - ICE with pack expansion in signature.
2900 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2902 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2904 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2905 IF_STMT.
2907 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2909 PR c++/84446
2910 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2911 on error_mark_node.
2913 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2915 PR c++/84445
2916 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2917 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2919 PR c++/84449
2920 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2921 returns error_mark_node, return it immediately.
2922 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2923 error_mark_node, return error_mark_node.
2925 PR c++/84455
2926 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2927 function_depth to avoid GC during finish_lambda_function.
2929 2018-02-19 Jason Merrill <jason@redhat.com>
2931 PR c++/84429 - ICE capturing VLA.
2932 * lambda.c (build_capture_proxy): Handle reference refs.
2934 2018-02-19 Jakub Jelinek <jakub@redhat.com>
2936 PR c++/84448
2937 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2938 either operand is error_mark_node, set current.lhs to that instead of
2939 creating a binary op with error_mark_node operands.
2941 PR c++/84430
2942 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2944 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
2946 PR c++/84348
2947 * decl.c (grokdeclarator): Early return error_mark_node upon
2948 ill-formed friend declaration.
2950 2018-02-16 Marek Polacek <polacek@redhat.com>
2951 Jakub Jelinek <jakub@redhat.com>
2953 PR c++/84192
2954 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2955 set *jump_target to anything if jump_target is NULL.
2957 2018-02-16 Jason Merrill <jason@redhat.com>
2959 PR c++/84151 - unnecessary volatile load with static member.
2960 * call.c (build_new_method_call_1): Avoid loading from a volatile
2961 lvalue used as the object argument for a static member function.
2963 PR c++/81853 - using-directive and constexpr.
2964 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2966 PR c++/84420 - ICE with structured binding in lambda.
2967 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2969 PR c++/83835 - C++17 error with constructor ctors.
2970 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2972 PR c++/82664 - ICE with reference to function template parm.
2973 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2974 NOP_EXPRs.
2976 PR c++/82764 - C++17 ICE with empty base
2977 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2979 2018-02-16 Jason Merrill <jason@redhat.com>
2981 PR c++/84421 - type-dependent if constexpr
2982 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2984 2018-02-16 Nathan Sidwell <nathan@acm.org>
2986 Deprecate -ffriend-injection.
2987 * decl.c (cxx_init_decl_processing): Emit warning on option.
2988 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2989 friend.
2991 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2993 PR c++/82468
2994 * decl.c (check_special_function_return_type): Reject template
2995 template parameter in deduction guide.
2997 2018-02-16 Nathan Sidwell <nathan@acm.org>
2999 PR c++/84375
3000 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3002 2018-02-15 Jason Merrill <jason@redhat.com>
3004 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3005 * call.c (convert_like_real): Don't use the copy-list-initialization
3006 shortcut for ck_base.
3008 PR c++/84045 - ICE with typedef and noexcept.
3009 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3011 PR c++/84376 - ICE with omitted template arguments.
3012 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3014 PR c++/84368 - wrong error with local variable in variadic lambda.
3015 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3016 local_specializations.
3018 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3020 PR c++/84330
3021 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3022 as first argument.
3024 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3026 PR c++/84350
3027 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3028 init, early return.
3030 2018-02-14 Nathan Sidwell <nathan@acm.org>
3032 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3033 (c_parse_final_cleanups): Restore input_location after emitting
3034 vtables.
3036 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3038 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3039 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3040 auto_deduction_context, tree, int): Add defaults.
3041 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3042 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3043 tsubst_flags_t argument.
3044 * init.c (build_new): Likewise.
3046 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3048 PR c++/84364
3049 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3050 about return other than *this in assignment operators if
3051 retval is type dependent expression.
3053 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3055 PR c++/84333
3056 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3057 save_expr for the G++ extension.
3059 2018-02-13 Jason Merrill <jason@redhat.com>
3061 PR c++/84080 - ICE with return type deduction and specialization.
3062 * pt.c (determine_specialization): Check uses_template_parms.
3064 Fix more variadic capture issues.
3065 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3066 (check_for_bare_parameter_packs): Check current_class_type for
3067 lambda context.
3068 (extract_locals_r): Handle seeing a full instantiation of a pack.
3069 (tsubst_pack_expansion): Likewise. Force lambda capture.
3070 * parser.c (cp_parser_lambda_introducer): Don't
3071 check_for_bare_parameter_packs.
3073 PR c++/84338 - wrong variadic sizeof.
3074 * pt.c (argument_pack_select_arg): Like the macro, but look through
3075 a pack expansion.
3076 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3077 (extract_fnparm_pack): Do make_pack_expansion.
3078 (extract_locals_r): Do strip a pack expansion.
3079 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3081 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3083 PR c++/84341
3084 * parser.c (cp_parser_binary_expression): Use build_min instead of
3085 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3087 2018-02-12 Nathan Sidwell <nathan@acm.org>
3089 PR c++/84263
3090 * parser.c (cp_parser_decltype): Push and pop
3091 deferring_access_checks. Reorganize to avoid goto.
3093 2018-02-12 Richard Biener <rguenther@suse.de>
3095 PR c++/84281
3096 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3097 uniform constructors and delay allocating them fully.
3099 2018-02-09 Jason Merrill <jason@redhat.com>
3101 PR c++/84036 - ICE with variadic capture.
3102 Handle variadic capture proxies more like non-variadic.
3103 * lambda.c (build_capture_proxy): Remove workaround.
3104 * pt.c (find_parameter_packs_r): The proxy is a pack.
3105 (instantiate_class_template_1): Remove dead lambda code.
3106 (extract_fnparm_pack): Don't make_pack_expansion.
3107 (extract_locals_r): Don't strip a pack expansion.
3108 (tsubst_pack_expansion): Handle proxy packs. Use
3109 PACK_EXPANSION_EXTRA_ARGS less.
3110 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3111 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3112 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3113 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3114 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3116 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3118 PR sanitizer/83987
3119 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3121 2018-02-09 Jason Merrill <jason@redhat.com>
3123 PR c++/81917 - ICE with void_t and partial specialization.
3124 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3125 calling most_specialized_partial_spec.
3127 2018-02-09 Nathan Sidwell <nathan@acm.org>
3129 PR c/84293
3130 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3131 Pass expr location to strict_aliasing_warning.
3133 2018-02-09 Jason Merrill <jason@redhat.com>
3135 PR c++/84296 - ICE with qualified-id in template.
3136 PR c++/83714
3137 * pt.c (unknown_base_ref_p): New.
3138 (instantiation_dependent_scope_ref_p): Use it instead of
3139 any_dependent_bases_p.
3141 2018-02-09 Marek Polacek <polacek@redhat.com>
3142 Jakub Jelinek <jakub@redhat.com>
3144 PR c++/83659
3145 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3146 fold_indirect_ref_1, including poly_*int64. Verify first that
3147 tree_fits_poly_int64_p (op01). Formatting fixes.
3149 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3151 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3152 * lambda.c (build_capture_proxy): Likewise.
3153 * search.c (field_access_p): Likewise.
3154 * semantics.c (omp_clause_decl, omp_privatize_field,
3155 finish_omp_clauses): Likewise.
3157 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3159 PR c++/83806
3160 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3161 case of nullptr too.
3163 2018-02-08 Nathan Sidwell <nathan@acm.org>
3165 * class.c (finish_struct): Fix std:initializer_list diagnostic
3166 formatting.
3168 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3170 PR c++/83204
3171 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3173 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3175 PR c++/84082
3176 * parser.c (cp_parser_dot_deref_incomplete): New function.
3177 (cp_parser_postfix_dot_deref_expression): Use it.
3179 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3181 PR c++/81610
3182 PR c++/80567
3183 * name-lookup.c (suggest_rid_p): New function.
3184 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3185 suggest_rid_p.
3187 2018-02-07 Jason Merrill <jason@redhat.com>
3189 PR c++/84182 - ICE with captured lambda
3190 PR c++/84181
3191 * pt.c (extract_locals_r, extract_local_specs): New.
3192 (tsubst_pack_expansion): Use them.
3194 2018-02-07 Martin Liska <mliska@suse.cz>
3196 PR c++/84059.
3197 * class.c (add_method): Append argument value.
3198 * cp-tree.h (maybe_version_functions): Add new argument.
3199 * decl.c (decls_match): Call it if a declaration does not
3200 have DECL_FUNCTION_VERSIONED.
3201 (maybe_version_functions): record argument is added.
3203 2018-02-05 Marek Polacek <polacek@redhat.com>
3205 * class.c: Remove unused global variables.
3206 (build_primary_vtable): Don't gather statistics.
3207 (print_class_statistics): Remove.
3208 * cp-tree.h (print_class_statistics): Remove.
3209 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3211 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3213 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3214 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3215 * decl.c (next_initializable_field, find_decomp_class_base,
3216 cp_finish_decomp): Likewise.
3217 * typeck2.c (process_init_constructor_record): Likewise.
3219 2018-02-02 Jason Merrill <jason@redhat.com>
3221 PR c++/84181 - ICE with lambda parm in template argument.
3222 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3224 2018-02-01 Jason Merrill <jason@redhat.com>
3226 PR c++/84160 - ICE with nested variadic capture.
3227 * lambda.c (is_capture_proxy_with_ref): New.
3228 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3229 COMPONENT_REF.
3230 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3231 * constexpr.c (potential_constant_expression_1): Likewise.
3232 * semantics.c (process_outer_var_ref): Likewise.
3234 2018-02-01 Marek Polacek <polacek@redhat.com>
3236 PR c++/84125
3237 * typeck.c (build_address): Relax the assert when
3238 processing_template_decl.
3240 2018-02-01 Jason Merrill <jason@redhat.com>
3242 PR c++/84126 - ICE with variadic generic lambda
3243 PR c++/84036
3244 PR c++/82249
3245 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3246 PACK_EXPANSION_EXTRA_ARGS.
3248 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3250 PR c++/83796
3251 * call.c (convert_like_real): If w're initializing from {} explicitly
3252 call abstract_virtuals_error_sfinae.
3254 2018-01-31 Jason Merrill <jason@redhat.com>
3255 Jakub Jelinek <jakub@redhat.com>
3257 PR c++/83993
3258 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3259 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3260 on ADDR_EXPR.
3262 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3264 PR c++/83993
3265 * constexpr.c (diag_array_subscript): Emit different diagnostics
3266 if TYPE_DOMAIN (arraytype) is NULL.
3267 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3268 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3270 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3272 PR c++/84092
3273 * semantics.c (finish_qualified_id_expr): When handling an
3274 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3276 2018-01-31 Marek Polacek <polacek@redhat.com>
3278 PR c++/84138
3279 * cp-gimplify.c (cp_fold): Check if X is an error node before
3280 calling useless_type_conversion_p.
3282 2018-01-30 Jason Merrill <jason@redhat.com>
3284 PR c++/84091 - ICE with local class in lambda in template.
3285 * decl2.c (determine_visibility): Look for outer containing template
3286 instantiation.
3288 PR c++/84098 - ICE with lambda in template NSDMI.
3289 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3291 2018-01-29 Jason Merrill <jason@redhat.com>
3293 PR c++/68810 - wrong location for reinterpret_cast error.
3294 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3295 !dofold.
3297 2018-01-29 Marek Polacek <polacek@redhat.com>
3299 PR c++/83996
3300 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3301 => fooarray[1] in offset_int.
3303 2018-01-29 Jason Merrill <jason@redhat.com>
3305 PR c++/83942 - wrong unused warning with static_cast.
3306 * cvt.c (ocp_convert): Call mark_rvalue_use.
3308 2018-01-26 Jason Merrill <jason@redhat.com>
3310 PR c++/83956 - wrong dtor error with anonymous union
3311 * method.c (walk_field_subobs): Variant members only affect
3312 deletedness.
3313 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3315 PR c++/84036 - ICE with variadic capture.
3316 PR c++/82249
3317 * pt.c (tsubst_pack_expansion): When optimizing a simple
3318 substitution, pull a single pack expansion out of its pack.
3320 PR c++/82514 - ICE with local class in generic lambda.
3321 * pt.c (regenerated_lambda_fn_p): Remove.
3322 (enclosing_instantiation_of): Don't use it.
3323 (tsubst_function_decl): Call enclosing_instantiation_of.
3325 * pt.c (lookup_template_class_1): Add sanity check.
3326 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3328 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3330 PR c++/84031
3331 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3332 recursive calls that return ret.
3333 (cp_finish_decomp): Ignore unnamed bitfields.
3335 2018-01-23 Jason Merrill <jason@redhat.com>
3337 PR c++/82249 - wrong mismatched pack length error.
3338 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3339 unsubstituted function parameter pack.
3341 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3343 PR c++/83921
3344 * decl.c (check_for_uninitialized_const_var): Not static; add
3345 bool and tsubst_flags_t parameters; adjust to be used both in
3346 constexpr context and not.
3347 * constexpr.c (potential_constant_expression_1): Use the above.
3348 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3350 2018-01-23 Jason Merrill <jason@redhat.com>
3352 PR c++/83947 - ICE with auto declarations.
3353 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3354 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3356 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3358 PR c++/83974
3359 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3360 for pointer to member function types.
3362 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3364 PR sanitizer/83987
3365 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3366 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3368 2018-01-23 Nathan Sidwell <nathan@acm.org>
3370 PR c++/83988
3371 * pt.c (tsubst_baselink): Remove optype assert.
3372 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3374 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3376 PR c++/83958
3377 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3378 refers to incomplete type.
3380 2018-01-23 Nathan Sidwell <nathan@acm.org>
3382 Deprecate ARM-era for scope handling
3383 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3384 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3385 cleared.
3386 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3387 cleanup handling.
3388 * semantics.c (begin_for_scope): Flag_new_for_scope is
3389 boolean-like.
3390 (finish_for_stmt, begin_range_for_stmt): Likewise.
3392 2018-01-22 Jason Merrill <jason@redhat.com>
3394 PR c++/83720
3395 * decl2.c (determine_visibility): Fix template_decl handling
3396 instead of blocking it.
3398 PR c++/83720 - ICE with lambda and LTO.
3399 * decl2.c (determine_visibility): Clear template_decl for
3400 function-scope decls. Propagate anonymous linkage from containing
3401 function.
3403 2018-01-22 Marek Polacek <polacek@redhat.com>
3405 PR c++/81933
3406 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3407 split out anything.
3409 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3411 PR c++/83895
3412 * decl.c (grokdeclarator): Don't diagnose extra parens
3413 on typedefs.
3415 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3417 PR c++/81167
3418 * call.c (joust): Use TREE_TYPE (source) if source is
3419 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3421 PR c++/83919
3422 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3423 for direct enum init.
3424 * decl.c (reshape_init): Likewise.
3426 2018-01-19 Marek Polacek <polacek@redhat.com>
3428 * constexpr.c (fold_simple): Simplify.
3430 2018-01-18 Jason Merrill <jason@redhat.com>
3432 PR c++/83714
3433 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3434 * pt.c (instantiation_dependent_scope_ref_p): True if
3435 any_dependent_bases_p.
3437 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3439 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3440 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3442 2018-01-18 Jason Merrill <jason@redhat.com>
3444 PR c++/82461 - constexpr list-initialized member
3445 * constexpr.c (potential_constant_expression_1): Check
3446 TARGET_EXPR_DIRECT_INIT_P.
3448 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3450 PR c++/81013
3451 * decl.c (xref_basetypes): Early return upon error about derived
3452 union.
3454 2018-01-18 Nathan Sidwell <nathan@acm.org>
3456 PR c++/83160
3457 * cp-tree.h (mark_use): Declare.
3458 * expr.c (mark_use): Make extern.
3459 * call.c (direct_reference_binding): Set inner conv's
3460 rvaluedness_matches_p, if it is an identity.
3461 (convert_like_real): Mark lvalue or rvalue use for identity as
3462 rvaledness_matches_p demands.
3464 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3466 PR c++/83824
3467 * parser.c (attr_chainon): New function.
3468 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3469 cp_parser_namespace_definition, cp_parser_init_declarator,
3470 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3471 cp_parser_gnu_attributes_opt): Use it.
3472 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3473 cp_parser_objc_struct_declaration): Likewise. Don't reset
3474 prefix_attributes if attributes is error_mark_node.
3476 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3478 PR c++/78344
3479 * decl.c (grokdeclarator): Do not append the error_mark_node
3480 due to an erroneous optional attribute-specifier-seq.
3482 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3484 PR c++/83897
3485 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3486 CLEANUP_POINT_EXPR.
3488 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3490 PR c++/81054
3491 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3492 error_mark_node when we give an error.
3493 * decl.c (cp_finish_decl): Use the latter.
3495 2018-01-17 Nathan Sidwell <nathan@acm.org>
3497 PR c++/83287
3498 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3500 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3502 PR c++/83814
3503 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3504 the C++ part. If processing a template, call
3505 fold_non_dependent_expr rather than fully folding.
3507 2018-01-17 Jason Merrill <jason@redhat.com>
3509 PR c++/81067 - redundant NULL warning.
3510 * call.c (convert_like_real): Restore null_node handling.
3512 2018-01-17 Jason Merrill <jason@redhat.com>
3514 PR c++/81843 - ICE with variadic member template.
3515 PR c++/72801
3516 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3517 template args.
3519 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3521 PR c++/83799
3522 * pt.c (type_dependent_expression_p): Strip any location wrapper
3523 before testing tree codes.
3524 (selftest::test_type_dependent_expression_p): New function.
3525 (selftest::cp_pt_c_tests): Call it.
3527 2018-01-17 Nathan Sidwell <nathan@acm.org>
3529 PR c++/83739
3530 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3531 this not a final instantiation.
3533 2018-01-16 Jason Merrill <jason@redhat.com>
3535 PR c++/83714 - ICE checking return in template.
3536 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3538 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3540 PR c++/83817
3541 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3542 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3543 instead of CALL_FROM_THUNK_P.
3545 PR c++/83825
3546 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3547 (resort_type_member_vec, set_class_bindings,
3548 insert_late_enum_def_bindings): Use vec qsort method instead of
3549 calling qsort directly.
3551 2018-01-15 Martin Sebor <msebor@redhat.com>
3553 PR c++/83588
3554 * class.c (find_flexarrays): Make a record of multiple flexible array
3555 members.
3557 2018-01-12 Jason Merrill <jason@redhat.com>
3559 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3560 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3562 2018-01-12 Nathan Sidwell <nathan@acm.org>
3564 * cp-tree.h (mark_rvalue_use): Add parm name.
3565 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3566 mark_rvalue_use.
3567 * call.c (convert_like_real): Fix formatting.
3569 2018-01-11 Jason Merrill <jason@redhat.com>
3571 PR c++/82728 - wrong -Wunused-but-set-variable
3572 PR c++/82799
3573 PR c++/83690
3574 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3575 * decl.c (case_conversion): Likewise.
3576 * semantics.c (finish_static_assert): Call
3577 perform_implicit_conversion_flags.
3579 2018-01-11 Nathan Sidwell <nathan@acm.org>
3581 * method.c (enum mangling_flags): Delete long-dead enum.
3583 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3585 * parser.c (cp_parser_std_attribute_spec): When
3586 token_pair::require_open / require_close return false simply
3587 return error_mark_node, avoid duplicate cp_parser_error about
3588 expected '(' / ')', respectively.
3590 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3592 PR c++/43486
3593 * call.c (null_ptr_cst_p): Strip location wrappers when
3594 converting from '0' to a pointer type in C++11 onwards.
3595 (conversion_null_warnings): Replace comparison with null_node with
3596 call to null_node_p.
3597 (build_over_call): Likewise.
3598 * cp-gimplify.c (cp_fold): Remove the early bailout when
3599 processing_template_decl.
3600 * cp-lang.c (selftest::run_cp_tests): Call
3601 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3602 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3603 (selftest::run_cp_tests): Move decl to bottom of file.
3604 (null_node_p): New inline function.
3605 (selftest::cp_pt_c_tests): New decl.
3606 (selftest::cp_tree_c_tests): New decl.
3607 * cvt.c (build_expr_type_conversion): Replace comparison with
3608 null_node with call to null_node_p.
3609 * error.c (args_to_string): Likewise.
3610 * except.c (build_throw): Likewise.
3611 * mangle.c (write_expression): Skip location wrapper nodes.
3612 * parser.c (literal_integer_zerop): New function.
3613 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3614 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3615 param of cp_parser_parenthesized_expression_list. When calling
3616 warn_for_memset, replace integer_zerop calls with
3617 literal_integer_zerop, eliminating the double logical negation
3618 cast to bool. Eliminate the special-casing for CONST_DECL in
3619 favor of the fold_for_warn within warn_for_memset.
3620 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3621 param, defaulting to false. Convert "expr" to a cp_expr, and call
3622 maybe_add_location_wrapper on it when wrap_locations_p is true.
3623 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3624 the result for RID_ALIGNOF and RID_SIZEOF.
3625 (cp_parser_builtin_offsetof): Likewise.
3626 * pt.c: Include "selftest.h".
3627 (tsubst_copy): Handle location wrappers.
3628 (tsubst_copy_and_build): Likewise.
3629 (build_non_dependent_expr): Likewise.
3630 (selftest::test_build_non_dependent_expr): New function.
3631 (selftest::cp_pt_c_tests): New function.
3632 * tree.c: Include "selftest.h".
3633 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3634 (selftest::test_lvalue_kind): New function.
3635 (selftest::cp_tree_c_tests): New function.
3636 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3637 (cp_build_binary_op): Replace comparison with null_node with call
3638 to null_node_p.
3639 (build_address): Use location of operand when building address
3640 expression.
3642 2018-01-10 Marek Polacek <polacek@redhat.com>
3644 PR c++/82541
3645 * call.c (build_conditional_expr_1): Check complain before warning.
3646 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3647 -Wduplicated-branches.
3649 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3651 PR c++/81327
3652 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3653 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3654 args uses and check number of operands too. Don't strip away any
3655 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3656 Deal with src argument not having pointer type. Check
3657 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3658 test.
3659 (build_over_call): Call maybe_warn_class_memaccess here on the
3660 original arguments.
3661 (build_cxx_call): Rather than here on converted arguments.
3663 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3665 PR c++/81055
3666 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3667 error_mark_node as second argument.
3669 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3671 PR c++/83734
3672 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3673 in STATEMENT_LIST. Remove unneeded assert.
3675 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3676 Alan Hayward <alan.hayward@arm.com>
3677 David Sherwood <david.sherwood@arm.com>
3679 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3680 VECTOR_CST_NELTS.
3681 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3682 * call.c (build_conditional_expr_1): Likewise.
3683 * decl.c (cp_finish_decomp): Likewise.
3684 * mangle.c (write_type): Likewise.
3685 * typeck.c (structural_comptypes): Likewise.
3686 (cp_build_binary_op): Likewise.
3687 * typeck2.c (process_init_constructor_array): Likewise.
3689 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3691 PR c++/83555
3692 * typeck.c (build_static_cast_1): For static casts to reference types,
3693 call build_base_path with flag_delete_null_pointer_checks as nonnull
3694 instead of always false. When -fsanitize=null, call
3695 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3696 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3697 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3699 2018-01-03 Nathan Sidwell <nathan@acm.org>
3701 PR c++/83667
3702 * method.c (make_alias_for): Copy DECL_CONTEXT.
3704 2018-01-03 Marek Polacek <polacek@redhat.com>
3706 PR c++/83592
3707 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3709 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3711 PR preprocessor/83602
3712 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3713 for builtin macros.
3715 PR c++/83634
3716 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3717 error_mark_node, return error_mark_node.
3719 Update copyright years.
3721 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3723 PR c++/83556
3724 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3725 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3726 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3727 to false and return.
3728 (replace_placeholders): Pass NULL instead of &pset as last argument
3729 to cp_walk_tree.
3731 2018-01-02 Nathan Sidwell <nathan@acm.org>
3733 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3734 lval var.
3735 \f
3736 Copyright (C) 2018 Free Software Foundation, Inc.
3738 Copying and distribution of this file, with or without modification,
3739 are permitted in any medium without royalty provided the copyright
3740 notice and this notice are preserved.