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1 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
3 PR c++/84980
4 * constraint.cc (finish_shorthand_constraint): Early return if the
5 constraint is erroneous.
7 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
9 * decl.c (eval_check_narrowing): Remove.
10 (check_initializer): Move call to braced_list_to_string from here ...
11 * typeck2.c (store_init_value): ... to here.
12 (digest_init_r): Remove handing of signed/unsigned char strings.
14 2018-08-31 Nathan Sidwell <nathan@acm.org>
16 PR c++/87155
17 PR c++/84707
18 * name-lookup.c (name_lookup::search_namespace): Don't look at
19 inlines when searching for NULL names.
21 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
22 of return types and parms.
23 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
24 '()' always means '(void)'.
26 2018-08-29 Jakub Jelinek <jakub@redhat.com>
28 PR c++/87095
29 * decl.c (begin_destructor_body): If current_class_type has
30 virtual bases and the primary base is nearly empty virtual base,
31 voidify clearing of vptr and make it conditional on in-charge
32 argument.
34 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
36 PR c++/85265
37 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
38 returns error_mark_node early exit the loop.
39 (cp_parser_template_introduction): Improve error-recovery, remove
40 error call about empty introduction-list.
42 2018-08-29 David Malcolm <dmalcolm@redhat.com>
44 PR c++/85110
45 * call.c (print_conversion_rejection): Add "fn" param and use it
46 for "no known conversion" messages to underline the pertinent
47 param.
48 (print_z_candidate): Supply "fn" to the new param above.
50 2018-08-29 Jakub Jelinek <jakub@redhat.com>
52 PR c++/87122
53 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
54 processing_template_decl and decl is structured binding decl, call
55 cp_finish_decomp.
57 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
59 PR c++/86546
60 * decl.c (finish_case_label): If the type is erroneous early
61 return error_mark_node.
63 2018-08-27 David Malcolm <dmalcolm@redhat.com>
65 PR c++/63392
66 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
67 hint.
69 2018-08-27 Jakub Jelinek <jakub@redhat.com>
71 PR c++/86993
72 * cp-tree.h (cxx_readonly_error): Add location_t argument.
73 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
74 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
75 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
76 pass LOC to it. Formatting fixes.
77 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
78 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
79 * semantics.c (finish_asm_stmt): Pass input_location to
80 cxx_readonly_error.
82 2018-08-27 David Malcolm <dmalcolm@redhat.com>
84 PR c++/87091
85 * decl.c (grokdeclarator): Update for conversion of show_caret_p
86 to a tri-state.
87 * error.c (cp_printer): Likewise.
88 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
89 maybe_add_include_fixit to suggest overriding the location, as it
90 is for a note.
91 * parser.c (cp_parser_string_literal): Update for conversion of
92 show_caret_p to a tri-state.
93 (cp_parser_elaborated_type_specifier): Likewise.
94 (set_and_check_decl_spec_loc): Likewise.
95 * pt.c (listify): Update call to maybe_add_include_fixit to not
96 override the location, as it is for an error.
97 * rtti.c (typeid_ok_p): Likewise.
99 2018-08-27 Martin Liska <mliska@suse.cz>
101 * call.c (build_call_a): Use new function
102 fndecl_built_in_p and remove check for FUNCTION_DECL if
103 possible.
104 (build_cxx_call): Likewise.
105 * constexpr.c (constexpr_fn_retval): Likewise.
106 (cxx_eval_builtin_function_call): Likewise.
107 (cxx_eval_call_expression): Likewise.
108 (potential_constant_expression_1): Likewise.
109 * cp-gimplify.c (cp_gimplify_expr): Likewise.
110 (cp_fold): Likewise.
111 * decl.c (decls_match): Likewise.
112 (validate_constexpr_redeclaration): Likewise.
113 (duplicate_decls): Likewise.
114 (make_rtl_for_nonlocal_decl): Likewise.
115 * name-lookup.c (consider_binding_level): Likewise.
116 (cp_emit_debug_info_for_using): Likewise.
117 * semantics.c (finish_call_expr): Likewise.
118 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
120 2018-08-26 Marek Polacek <polacek@redhat.com>
122 PR c++/87080
123 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
125 PR c++/87029, Implement -Wredundant-move.
126 * typeck.c (treat_lvalue_as_rvalue_p): New function.
127 (maybe_warn_pessimizing_move): Call convert_from_reference.
128 Warn about redundant moves.
130 2018-08-24 Marek Polacek <polacek@redhat.com>
132 PR c++/67012
133 PR c++/86942
134 * decl.c (grokdeclarator): Disallow functions with trailing return
135 type with decltype(auto) as its type. Also check the function if
136 it's inner declarator doesn't exist
138 2018-08-21 Marek Polacek <polacek@redhat.com>
140 PR c++/86499
141 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
142 lambda has a capture-default.
144 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
146 * decl.c (check_static_variable_definition): Change to return void.
148 2018-08-21 Marek Polacek <polacek@redhat.com>
150 PR c++/86981, Implement -Wpessimizing-move.
151 * typeck.c (decl_in_std_namespace_p): New.
152 (is_std_move_p): New.
153 (maybe_warn_pessimizing_move): New.
154 (can_do_nrvo_p): New, factored out of ...
155 (check_return_expr): ... here. Warn about potentially harmful
156 std::move in a return statement.
158 PR c++/65043
159 * call.c (standard_conversion): Set check_narrowing.
160 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
161 than comparing with INTEGER_TYPE.
163 * cp-tree.h: Fix typo.
165 2018-08-20 David Malcolm <dmalcolm@redhat.com>
167 PR other/84889
168 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
169 instance(s).
170 (print_error_for_call_failure): Likewise.
171 (build_op_call_1): Likewise.
172 (build_conditional_expr_1): Likewise.
173 (build_new_op_1): Likewise.
174 (build_op_delete_call): Likewise.
175 (convert_like_real): Likewise.
176 (build_over_call): Likewise.
177 (build_new_method_call_1): Likewise.
178 (joust): Likewise.
179 * class.c (check_tag): Likewise.
180 (finish_struct_anon_r): Likewise.
181 (one_inherited_ctor): Likewise.
182 (finalize_literal_type_property): Likewise.
183 (explain_non_literal_class): Likewise.
184 (find_flexarrays): Likewise.
185 (resolve_address_of_overloaded_function): Likewise.
186 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
187 (is_valid_constexpr_fn): Likewise.
188 (cx_check_missing_mem_inits): Likewise.
189 * cp-gimplify.c (cp_genericize_r): Likewise.
190 * cvt.c (maybe_warn_nodiscard): Likewise.
191 * decl.c (warn_extern_redeclared_static): Likewise.
192 (check_redeclaration_exception_specification): Likewise.
193 (check_no_redeclaration_friend_default_args): Likewise.
194 (duplicate_decls): Likewise.
195 (redeclaration_error_message): Likewise.
196 (warn_misplaced_attr_for_class_type): Likewise.
197 * decl2.c (finish_static_data_member_decl): Likewise.
198 (no_linkage_error): Likewise.
199 (cp_warn_deprecated_use): Likewise.
200 * error.c (qualified_name_lookup_error): Likewise.
201 * friend.c (make_friend_class): Likewise.
202 (do_friend): Likewise.
203 * init.c (perform_member_init): Likewise.
204 (build_new_1): Likewise.
205 (build_vec_delete_1): Likewise.
206 (build_delete): Likewise.
207 * lex.c (unqualified_name_lookup_error): Likewise.
208 * name-lookup.c (check_extern_c_conflict): Likewise.
209 (inform_shadowed): New function.
210 (check_local_shadow): Add auto_diagnostic_group instances,
211 replacing goto "inform_shadowed" label with call to subroutine.
212 (set_local_extern_decl_linkage): Add auto_diagnostic_group
213 instance(s).
214 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
215 (cp_parser_namespace_name): Likewise.
216 * pt.c (check_specialization_namespace): Likewise.
217 (check_template_variable): Likewise.
218 (warn_spec_missing_attributes): Likewise.
219 (check_explicit_specialization): Likewise.
220 (process_partial_specialization): Likewise.
221 (lookup_template_class_1): Likewise.
222 (finish_template_variable): Likewise.
223 (do_auto_deduction): Likewise.
224 * search.c (check_final_overrider): Likewise.
225 (look_for_overrides_r): Likewise.
226 * tree.c (maybe_warn_parm_abi): Likewise.
227 * typeck.c (cxx_sizeof_expr): Likewise.
228 (cp_build_function_call_vec): Likewise.
229 (cp_build_binary_op): Likewise.
230 (convert_for_assignment): Likewise.
231 (maybe_warn_about_returning_address_of_local): Likewise.
232 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
233 (check_narrowing): Likewise.
235 2018-08-17 David Malcolm <dmalcolm@redhat.com>
237 * typeck.c (string_conv_p): Extract location from EXP and use it
238 in preference to input_location when issuing warnings.
240 2018-08-15 David Malcolm <dmalcolm@redhat.com>
242 * call.c: Include "gcc-rich-location.h".
243 (convert_like_real): Add range label for "invalid conversion"
244 diagnostic.
245 (perform_implicit_conversion_flags): Add type label to the
246 "could not convert" error.
247 * error.c: Include "gcc-rich-location.h".
248 (range_label_for_type_mismatch::get_text): New function.
249 * typeck.c (convert_for_assignment): Add type label to
250 the "cannot convert" error if a location is available.
252 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
254 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
255 emit an error instead of a permerror.
257 2018-08-13 Marek Polacek <polacek@redhat.com>
259 PR c++/57891
260 * call.c (struct conversion): Add check_narrowing_const_only.
261 (build_converted_constant_expr): Set check_narrowing and
262 check_narrowing_const_only. Give error if expr is error node.
263 (convert_like_real): Pass it to check_narrowing.
264 * cp-tree.h (check_narrowing): Add a default parameter.
265 * decl.c (compute_array_index_type): Use input_location instead of
266 location_of.
267 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
268 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
269 expressions. Call maybe_constant_value instead of
270 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
271 narrowing for constants if CONST_ONLY.
273 2018-08-13 Martin Sebor <msebor@redhat.com>
275 PR tree-optimization/71625
276 * decl.c (check_initializer): Call braced_list_to_string.
277 (eval_check_narrowing): New function.
278 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
279 as initilizers for all narrow character types.
281 2018-08-13 Marek Polacek <polacek@redhat.com>
283 P0806R2 - Deprecate implicit capture of this via [=]
284 * lambda.c (add_default_capture): Formatting fixes. Warn about
285 deprecated implicit capture of this via [=].
287 PR c++/86915
288 * decl.c (create_array_type_for_decl): Handle null name.
290 2018-08-10 Jason Merrill <jason@redhat.com>
292 PR c++/86728 - C variadic generic lambda.
293 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
294 a pack if it's followed by a declarator-id.
296 2018-08-08 Jakub Jelinek <jakub@redhat.com>
298 P0595R1 - is_constant_evaluated
299 * cp-tree.h (enum cp_built_in_function): New.
300 (maybe_constant_init): Add pretend_const_required argument.
301 * typeck2.c (store_init_value): Pass true as new argument to
302 maybe_constant_init.
303 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
304 for BUILT_IN_UNREACHABLE.
305 (struct constexpr_ctx): Add pretend_const_required field.
306 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
307 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
308 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
309 (cxx_eval_outermost_constant_expr): Add pretend_const_required
310 argument, initialize pretend_const_required field in ctx. If the
311 result is TREE_CONSTANT and non_constant_p, retry with
312 pretend_const_required false if it was true.
313 (is_sub_constant_expr): Initialize pretend_const_required_field in
314 ctx.
315 (cxx_constant_value): Pass true as pretend_const_required to
316 cxx_eval_outermost_constant_expr.
317 (maybe_constant_value): Pass false as pretend_const_required to
318 cxx_eval_outermost_constant_expr.
319 (fold_non_dependent_expr): Likewise.
320 (maybe_constant_init_1): Add pretend_const_required argument, pass it
321 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
322 instead of false as strict to cxx_eval_outermost_constant_expr.
323 (maybe_constant_init): Add pretend_const_required argument, pass it
324 down to maybe_constant_init_1.
325 (cxx_constant_init): Pass true as pretend_const_required to
326 maybe_constant_init_1.
327 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
328 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
329 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
330 * decl.c: Include langhooks.h.
331 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
332 built-in.
333 * tree.c (builtin_valid_in_constant_expr_p): Return true for
334 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
335 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
337 PR c++/86836
338 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
339 before tsubst_init, not after it.
341 PR c++/86738
342 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
343 NULL pointer set *non_constant_p to true.
344 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
345 set *non_constant_p to true and return t.
347 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
349 PR c++/59480, DR 136
350 * decl.c (check_no_redeclaration_friend_default_args): New.
351 (duplicate_decls): Use the latter; also check that a friend
352 declaration specifying default arguments is a definition.
354 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
356 PR c++/79133
357 * name-lookup.c (check_local_shadow): Reject captures and parameters
358 with the same name.
360 2018-08-06 Marek Polacek <polacek@redhat.com>
362 PR c++/86767
363 * constexpr.c (cxx_eval_statement_list): Handle continue.
365 2018-08-03 David Malcolm <dmalcolm@redhat.com>
366 Jonathan Wakely <jwakely@redhat.com>
368 * decl.c: Include "gcc-rich-location.h".
369 (add_return_star_this_fixit): New function.
370 (finish_function): When warning about missing return statements in
371 functions returning non-void, add a "return *this;" fix-it hint for
372 assignment operators.
374 2018-08-03 Jason Merrill <jason@redhat.com>
376 PR c++/86706
377 * class.c (build_base_path): Use currently_open_class.
379 2018-08-02 David Malcolm <dmalcolm@redhat.com>
381 * error.c (cxx_print_error_function): Duplicate "file" before
382 passing it to pp_set_prefix.
383 (cp_print_error_function): Use pp_take_prefix when saving the
384 existing prefix.
386 2018-08-02 Richard Biener <rguenther@suse.de>
388 PR c++/86763
389 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
390 to the CLASSTYPE_AS_BASE.
392 2018-08-01 Martin Sebor <msebor@redhat.com>
394 PR tree-optimization/86650
395 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
396 TREE_BLOCK (t) from within percent_K_format to this callsite.
398 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
400 PR c++/86661
401 * class.c (note_name_declared_in_class): Use location_of in permerror
402 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
404 2018-07-31 Tom de Vries <tdevries@suse.de>
406 PR debug/86687
407 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
409 2018-07-31 Jakub Jelinek <jakub@redhat.com>
411 P1008R1 - prohibit aggregates with user-declared constructors
412 * class.c (check_bases_and_members): For C++2a set
413 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
414 type_has_user_provided_or_explicit_constructor.
416 2018-07-31 Martin Liska <mliska@suse.cz>
418 PR c++/86653
419 * parser.c (cp_parser_condition): Initialize non_constant_p
420 to false.
422 2018-07-28 David Malcolm <dmalcolm@redhat.com>
424 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
425 into alphabetical order, and add missing "%G" and "%K". Within
426 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
427 cases are in alphabetical order.
429 2018-07-25 Jakub Jelinek <jakub@redhat.com>
431 * cp-tree.h (enum cp_tree_index): Add
432 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
433 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
434 (abi_tag_identifier, aligned_identifier, begin_identifier,
435 end_identifier, get__identifier, gnu_identifier,
436 tuple_element_identifier, tuple_size_identifier, type_identifier,
437 value_identifier, fun_identifier, closure_identifier): Define.
438 * decl.c (initialize_predefined_identifiers): Initialize the above
439 identifiers.
440 (get_tuple_size): Use tuple_size_identifier instead of
441 get_identifier ("tuple_size") and value_identifier instead of
442 get_identifier ("value").
443 (get_tuple_element_type): Use tuple_element_identifier instead of
444 get_identifier ("tuple_element") and type_identifier instead of
445 get_identifier ("type").
446 (get_tuple_decomp_init): Use get__identifier instead of
447 get_identifier ("get").
448 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
449 get_identifier ("_FUN").
450 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
451 instead of get_identifier ("__closure").
452 (cp_parser_std_attribute): Use gnu_identifier instead of
453 get_identifier ("gnu").
454 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
455 instead of get_identifier ("aligned").
456 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
457 abi_tag_identifier instead of get_identifier ("abi_tag").
459 PR c++/85515
460 * cp-tree.h (enum cp_tree_index): Add
461 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
462 (for_range__identifier, for_begin__identifier, for_end__identifier,
463 for_range_identifier, for_begin_identifier, for_end_identifier):
464 Define.
465 * decl.c (initialize_predefined_identifiers): Initialize
466 for_{range,begin,end}{,_}_identifier.
467 * parser.c (build_range_temp): Use for_range__identifier instead of
468 get_identifier ("__for_range").
469 (cp_convert_range_for): Use for_begin__identifier and
470 for_end__identifier instead of get_identifier ("__for_begin") and
471 get_identifier ("__for_end").
472 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
473 local symbols to "__for_{range,begin,end}".
475 2018-07-23 Jakub Jelinek <jakub@redhat.com>
477 PR c++/86569
478 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
479 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
480 or warn_nonnull_compare.
482 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
484 Revert fix for c++/59480 (and testsuite followup)
486 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
488 PR c++/59480, DR 136
489 * decl.c (check_no_redeclaration_friend_default_args): New.
490 (duplicate_decls): Use the latter; also check that a friend
491 declaration specifying default arguments is a definition.
493 2018-07-18 Jakub Jelinek <jakub@redhat.com>
495 PR c++/86550
496 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
497 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
499 2018-07-18 Marek Polacek <polacek@redhat.com>
501 PR c++/86190 - bogus -Wsign-conversion warning
502 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
503 sentinel.
505 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
507 PR c++/59480, DR 136
508 * decl.c (check_no_redeclaration_friend_default_args): New.
509 (duplicate_decls): Use the latter; also check that a friend
510 declaration specifying default arguments is a definition.
512 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
514 * class.c (note_name_declared_in_class): Prefer permerror + inform
515 to a pair of permerrors; use DECL_SOURCE_LOCATION.
517 2018-07-18 Richard Biener <rguenther@suse.de>
519 PR debug/86523
520 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
521 start_static_storage_duration_function sets current_function_decl.
523 2018-07-17 Jason Merrill <jason@redhat.com>
525 PR c++/86480 - nested variadic lambda and constexpr if.
526 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
527 IF_STMT_EXTRA_ARGS.
528 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
529 cp_unevaluated_operand.
530 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
532 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
534 * class.c (resolve_address_of_overloaded_function): Don't emit an
535 inform if the matching permerror returns false.
536 * pt.c (check_specialization_namespace): Likewise.
538 2018-07-16 Jakub Jelinek <jakub@redhat.com>
540 PR c++/3698
541 PR c++/86208
542 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
543 in TREE_USED flag from stmt to h->to.
545 2018-07-13 Nathan Sidwell <nathan@acm.org>
547 PR c++/86374
548 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
549 contexts that are classes.
550 * parser.c (cp_parser_template_id): Combine entering_scope decl &
551 initializer.
553 2018-07-12 Jakub Jelinek <jakub@redhat.com>
555 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
556 type here, instead add "omp declare target implicit" attribute. Add
557 that attribute instead of "omp declare target" also when
558 processing_template_decl.
559 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
560 and before calling cp_omp_mappable_type call complete_type.
562 2018-07-10 Jakub Jelinek <jakub@redhat.com>
564 PR sanitizer/86406
565 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
566 DEBUG_BEGIN_STMTs.
568 PR c++/86443
569 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
570 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
571 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
572 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
573 TREE_LIST for both the original class iterator and the "last" helper
574 var.
576 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
578 * decl.c (grokdeclarator): Use rich_location::add_range in three
579 more places; include gcc-rich-location.h.
581 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
583 * decl.c (build_enumerator): Change overflow type to overflow_type.
584 * init.c (build_new_1): Same.
586 2018-07-05 Nathan Sidwell <nathan@acm.org>
588 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
589 NO_IMPLICIT_EXTERN_C.
590 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
592 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
594 PR c++/86398
595 * method.c (is_trivially_xible): Return false
596 if is_xible_helper returns a NULL_TREE.
598 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
600 * decl.c (min_location): New.
601 (smallest_type_quals_location): Use the latter.
602 (check_concept_fn): Use DECL_SOURCE_LOCATION.
603 (grokdeclarator): Use accurate locations in a number of error
604 messages involving ds_thread, ds_storage_class, ds_virtual,
605 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
607 2018-07-03 Marek Polacek <polacek@redhat.com>
609 PR c++/86201
610 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
612 2018-07-03 Jason Merrill <jason@redhat.com>
614 PR c++/86378 - functional cast in noexcept-specifier.
615 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
617 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
619 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
620 in error message about __thread and thread_local at the same time.
622 2018-06-29 Marek Polacek <polacek@redhat.com>
624 PR c++/86184
625 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
627 2018-06-28 David Malcolm <dmalcolm@redhat.com>
629 * parser.c (cp_parser_error_1): After issuing a conflict marker
630 error, consume tokens until the end of the source line.
632 2018-06-28 Jason Merrill <jason@redhat.com>
634 PR c++/86342 - -Wdeprecated-copy and system headers.
635 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
636 in system headers.
638 2018-06-27 David Malcolm <dmalcolm@redhat.com>
640 PR c++/86329
641 * name-lookup.c (consider_binding_level): Filter out names that
642 match anon_aggrname_p.
644 2018-06-27 Jason Merrill <jason@redhat.com>
646 * name-lookup.c (do_pushtag): If we skip a class level, also skip
647 its template level.
649 2018-06-26 Jason Merrill <jason@redhat.com>
651 PR c++/86320 - memory-hog with std::array of pair
652 * typeck2.c (process_init_constructor_array): Only compute a
653 constant initializer once.
655 PR c++/80290 - memory-hog with std::pair.
656 * pt.c (fn_type_unification): Add convs parameter.
657 (check_non_deducible_conversion): Remember conversion.
658 (check_non_deducible_conversions): New. Do checks here.
659 (type_unification_real): Not here. Remove flags parm.
660 * call.c (add_function_candidate): Make convs a parameter.
661 Don't recalculate the conversion if it's already set.
662 (add_template_candidate_real): Allocate convs here.
663 (good_conversion, conv_flags): New.
665 2018-06-26 Jakub Jelinek <jakub@redhat.com>
667 PR c++/86291
668 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
669 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
671 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
673 * decl.c (bad_specifiers): Add const location_t* parameter and
674 use locations in error messages about 'inline' and 'virtual'.
675 (mark_inline_variable): Add location_t parameter and use it in
676 error_at and pedwarn messages.
677 (grokdeclarator): Use declspecs->locations[ds_constexpr],
678 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
679 declspecs->locations[ds_inline] in many error messages; adjust
680 bad_specifiers and mark_inline_variable calls.
681 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
683 2018-06-22 Jason Merrill <jason@redhat.com>
685 PR c++/86219 - ICE with erroneous initializer in template.
686 * constexpr.c (fold_non_dependent_expr): Add complain parm.
687 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
688 Pass it.
689 * call.c (build_cxx_call): Don't mess with builtins in a template.
690 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
691 produce a constant value, go back to the uninstantiated form.
693 Avoid taking the address of something just because it's in parens.
694 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
695 (cxx_fold_indirect_ref): Use it.
696 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
697 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
698 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
699 static_cast to reference type.
700 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
702 2018-06-21 Jason Merrill <jason@redhat.com>
704 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
706 * name-lookup.c (do_push_to_top_level): Don't allocate
707 current_lang_base.
708 (do_pop_from_top_level): Release current_lang_base.
710 Let -fmem-report see callers of cxx_make_type.
711 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
712 (make_class_type): Likewise.
713 (cxx_make_type_hook): New.
714 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
716 2018-06-20 Nathan Sidwell <nathan@acm.org>
718 PR c++/85634
719 * friend.c (add_friend): Keep lookup sets of tempate sets.
721 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
723 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
724 tidy handling of a null location_t argument; use proper location
725 information in a few additional error messages.
726 (grokdeclarator): Update calls.
728 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
729 Thomas Schwinge <thomas@codesourcery.com>
730 Cesar Philippidis <cesar@codesourcery.com>
732 * parser.c (cp_parser_omp_clause_name): Add support for finalize
733 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
734 to their non-present_or_* counterparts. Make 'self' an alias to
735 PRAGMA_OACC_CLAUSE_HOST.
736 (cp_parser_oacc_data_clause): Update GOMP mappings for
737 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
738 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
739 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
740 Remove support for present_or_* clauses.
741 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
742 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
743 (OACC_DECLARE_CLAUSE_MASK): Likewise.
744 (OACC_DATA_CLAUSE_MASK): Likewise.
745 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
746 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
747 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
748 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
749 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
750 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
752 2018-06-20 Marek Polacek <polacek@redhat.com>
754 PR c++/86240
755 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
756 (fold_simple_1): Likewise.
757 * error.c (dump_expr): Likewise.
759 2018-06-20 Nathan Sidwell <nathan@acm.org>
761 PR c++/85634
762 * cp-tree.h (lookup_keep): Drop KEEP parm.
763 (lookup_list_keep): Delete.
764 (maybe_get_fns): Declare.
765 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
766 (cp_parser_template_id): Not here ...
767 * decl.c (cp_finish_decl): ... nor here ...
768 * init.c (build_raw_new_expr): ... nor here ...
769 * pt.c (process_template_parm): ... nor here ...
770 * semantics.c (perform_koenig_lookup): Call lookup_keep.
771 (finish_call_expr): Not here.
772 * tree.c (ovl_cache): Delete.
773 (ovl_make, ovl_copy): No cache.
774 (lookup_keep): Always keep.
775 (lookup_list_keep): Delete.
776 (maybe_get_fns): New, broken out of ...
777 (get_fns): ... here. Call it.
778 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
779 (build_min_nt_call_vec): Likewise.
781 2018-06-19 Jason Merrill <jason@redhat.com>
783 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
784 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
786 PR c++/86182 - ICE with anonymous union passed to template.
787 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
788 used to declare a named variable.
790 2018-06-18 Jason Merrill <jason@redhat.com>
792 * tree.c (cp_expr_location): New.
793 * cp-tree.h (cp_expr_loc_or_loc): New.
794 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
795 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
796 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
798 * parser.c (cp_parser_lambda_expression): Use a range for
799 LAMBDA_EXPR_LOCATION.
801 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
802 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
803 function type.
805 PR c++/81060 - ICE with unexpanded parameter pack.
806 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
807 * decl.c (grokdeclarator): Call it for qualifying_scope.
809 PR c++/86171 - ICE with recursive alias instantiation.
810 * pt.c (tsubst_decl): Handle recursive alias instantiation.
812 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
814 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
815 in errors about redefined default arguments; tidy.
817 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
819 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
820 * cp-gimplify.c (cp_fold): Likewise.
822 2018-06-15 Jason Merrill <jason@redhat.com>
824 PR c++/86147 - wrong capture for template argument.
825 * expr.c (mark_use): Look through NOP_EXPR.
827 * name-lookup.c (do_pushtag): Don't look through complete types, but
828 don't add to them either. Get context from current_binding_level.
829 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
831 * decl.c (start_enum): Do compare dependent underlying type.
833 PR c++/82882 - ICE with lambda in template default argument.
834 * lambda.c (record_null_lambda_scope): New.
835 * pt.c (tsubst_lambda_expr): Use it.
836 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
837 function that isn't open.
839 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
841 2018-06-14 Marek Polacek <polacek@redhat.com>
843 PR c++/86063
844 * decl2.c (cp_check_const_attributes): Skip trees that are not
845 TREE_LISTs.
847 2018-06-14 Jakub Jelinek <jakub@redhat.com>
849 P0624R2 - Default constructible and assignable stateless lambdas
850 * method.c (synthesized_method_walk): For C++2a don't mark
851 sfk_constructor or sfk_copy_assignment as deleted if lambda has
852 no lambda-captures.
854 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
856 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
857 OPT_Wshadow warning_at.
858 (grokfndecl): Consistently use the location_t argument in
859 literal operator diagnostic messages.
860 (grokdeclarator): Use declspecs->locations[ds_storage_class]
861 in error_at call.
862 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
863 in permerror call.
865 2018-06-13 Jason Merrill <jason@redhat.com>
867 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
868 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
869 constructors.
871 PR c++/86094 - wrong code with defaulted move ctor.
872 * class.c (classtype_has_non_deleted_move_ctor): New.
873 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
874 Handle v12 breakage.
876 2018-06-12 Jason Merrill <jason@redhat.com>
878 PR c++/86098 - ICE with template placeholder for TTP.
879 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
880 CLASS_PLACEHOLDER_TEMPLATE.
882 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
884 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
885 parameter and adjust error_at calls.
886 * decl.c (grok_op_properties): Adjust calls.
887 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
889 2018-06-12 Marek Polacek <polacek@redhat.com>
891 Core issue 1331 - const mismatch with defaulted copy constructor
892 * class.c (check_bases_and_members): When checking a defaulted
893 function, mark it as deleted rather than giving an error.
895 2018-06-11 Jason Merrill <jason@redhat.com>
897 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
898 * class.c (maybe_warn_about_overly_private_class): Handle inherited
899 constructors.
901 PR c++/85963 - -Wunused-but-set with ?: in template.
902 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
904 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
906 * decl.c (grok_op_properties): Consistently use the location
907 of the decl; remove special casing of POSTINCREMENT_EXPR and
908 POSTDECREMENT_EXPR wrt default arguments.
910 2018-06-05 Jason Merrill <jason@redhat.com>
912 * constexpr.c (cxx_eval_binary_expression): Special case comparison
913 of pointers to members of the same union.
915 2018-06-11 Jason Merrill <jason@redhat.com>
917 PR c++/86094 - wrong code with defaulted move ctor.
918 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
920 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
922 * decl.c (grokfndecl): Use the location_t argument in two more places.
924 2018-06-06 Marek Polacek <polacek@redhat.com>
926 PR c++/85977
927 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
928 deduction from the list elements.
929 (type_unification_real): Check convertibility of list elements.
931 2018-06-06 Jason Merrill <jason@redhat.com>
933 PR c++/86060 - ICE on range for with -std=c++98.
934 * parser.c (cp_parser_init_statement): Don't clobber *decl after
935 pedwarn.
937 PR c++/85710 - ICE with -Wmemset-elt-size.
938 * semantics.c (finish_call_expr): Call warn_for_memset here.
939 * parser.c (cp_parser_postfix_expression): Not here.
940 (literal_integer_zerop): No longer static.
941 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
943 2018-06-05 Marek Polacek <polacek@redhat.com>
945 PR c++/85976
946 * tree.c (cp_tree_equal): Handle USING_DECL.
948 2018-06-05 Jason Merrill <jason@redhat.com>
950 PR c++/85731 - wrong error with qualified-id in template.
951 * semantics.c (finish_qualified_id_expr): build_qualified_name
952 for unbound names in the current class.
954 2018-06-04 Jason Merrill <jason@redhat.com>
956 PR c++/61806 - missed SFINAE with partial specialization.
957 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
958 parameter to constructor.
959 * pt.c (instantiate_class_template_1): Enable access checking
960 before call to most_specialized_partial_spec.
962 PR c++/85765 - SFINAE and non-type default template arg.
963 * pt.c (type_unification_real): Do full semantic processing if
964 substituting a partial args list replaces all template parms.
966 2018-06-03 Jason Merrill <jason@redhat.com>
968 PR c++/85739 - ICE with pointer to member template parm.
969 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
971 2018-06-02 Jason Merrill <jason@redhat.com>
973 PR c++/85761 - ICE with ill-formed use of const outer variable.
974 * expr.c (mark_use): Handle location wrappers.
976 2018-06-01 Jason Merrill <jason@redhat.com>
978 PR c++/85764 - bogus 'this' not captured error.
979 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
980 (nonlambda_method_basetype): Handle NSDMI.
982 CWG 1581: When are constexpr member functions defined?
983 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
984 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
986 PR c++/58281 - explicit instantiation of constexpr
987 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
989 * pt.c (instantiate_decl): Any defaulted function is defined.
991 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
993 PR c++/77777
994 * call.c (resolve_args): Use location of expression, not current input
995 location.
997 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
999 Do not warn about zero-as-null when NULL is used.
1000 * call.c (conversion_null_warnings): Check for pointer
1001 types converted from zero constants.
1002 (convert_like_real): Add a warning sentinel at the end.
1003 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1004 check null_node_p.
1006 2018-05-30 Jason Merrill <jason@redhat.com>
1008 PR c++/85807 - ICE with call in template NSDMI.
1009 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1010 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1012 PR c++/85873 - constant initializer_list array not in .rodata.
1013 * tree.c (build_target_expr): Set TREE_READONLY.
1014 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1016 * parser.c (cp_parser_check_condition_declarator): Handle
1017 cp_error_declarator.
1019 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1021 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1022 of using it in dead store.
1024 2018-05-29 Jason Merrill <jason@redhat.com>
1026 PR c++/67445 - returning temporary initializer_list.
1027 PR c++/67711 - assigning from temporary initializer_list.
1028 PR c++/48562 - new initializer_list.
1029 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1030 about returning local initializer_list.
1031 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1032 * call.c (build_over_call): Warn about assignment from temporary
1033 init_list.
1034 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1035 (find_list_begin, maybe_warn_list_ctor): New.
1036 (perform_member_init): Use maybe_warn_list_ctor.
1038 2018-05-29 Marek Polacek <polacek@redhat.com>
1040 PR c++/85883
1041 * init.c (build_new): Handle deducing a class with new
1042 with more than one argument.
1044 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1046 PR c++/85952
1047 * init.c (build_aggr_init): For structured binding initialized from
1048 array call mark_rvalue_use on the initializer.
1050 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1052 * decl2.c (start_static_storage_duration_function): Use
1053 splay_tree_delete_pointers.
1055 2018-05-25 Jason Merrill <jason@redhat.com>
1057 PR c++/85815 - reference to member of enclosing template.
1058 * search.c (lookup_base): Use currently_open_class.
1059 (lookup_member): Use it regardless of -fconcepts.
1060 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1062 CWG 616, 1213 - value category of subobject references.
1063 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1065 2018-05-24 Jason Merrill <jason@redhat.com>
1067 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1068 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1069 generic lambda.
1071 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1073 Pedwarn on a non-standard position of a C++ attribute.
1074 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1075 after the namespace name.
1077 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1079 * cp-tree.h (INDIRECT_TYPE_P): New.
1080 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1081 joust): Use it instead of POINTER_TYPE_P.
1082 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1083 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1084 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1085 * cxx_eval_increment_expression, potential_constant_expression_1):
1086 Likewise.
1087 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1088 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1089 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1090 cp_ubsan_maybe_instrument_downcast): Likewise.
1091 * cvt.c (cp_convert_to_pointer, ocp_convert,
1092 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1093 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1094 pp_cxx_offsetof_expression_1): Likewise.
1095 * decl.c (grokparms, static_fn_type): Likewise.
1096 * decl2.c (grokbitfield): Likewise.
1097 * error.c (dump_expr): Likewise.
1098 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1099 * init.c (warn_placement_new_too_small): Likewise.
1100 * lambda.c (build_capture_proxy, add_capture): Likewise.
1101 * parser.c (cp_parser_omp_for_loop): Likewise.
1102 * pt.c (convert_nontype_argument, fn_type_unification,
1103 uses_deducible_template_parms, check_cv_quals_for_unify,
1104 dependent_type_p_r): Likewise.
1105 * search.c (check_final_overrider): Likewise.
1106 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1107 finish_omp_for): Likewise.
1108 * tree.c (cp_build_qualified_type_real): Likewise.
1109 * typeck.c (build_class_member_access_expr,
1110 finish_class_member_access_expr, build_x_indirect_ref,
1111 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1112 Likewise.
1114 2018-05-24 Jason Merrill <jason@redhat.com>
1116 PR c++/85864 - literal template and default template arg.
1117 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1119 2018-05-24 Marek Polacek <polacek@redhat.com>
1121 PR c++/85847
1122 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1123 variable for its result. Fix a condition.
1124 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1126 2018-05-23 Jason Merrill <jason@redhat.com>
1128 Fix cast to rvalue reference from prvalue.
1129 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1130 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1131 non-class type. Handle xvalue argument.
1132 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1133 rvalue reference.
1134 * semantics.c (finish_compound_literal): Do direct-initialization,
1135 not cast, to initialize a reference.
1137 CWG 616, 1213 - value category of subobject references.
1138 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1139 an xvalue.
1140 * typeck2.c (build_m_component_ref): Likewise.
1141 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1142 distinction between temporary and xvalue.
1144 2018-05-23 Marek Polacek <polacek@redhat.com>
1146 Implement P0614R1, Range-based for statements with initializer.
1147 * parser.c (cp_parser_range_based_for_with_init_p): New.
1148 (cp_parser_init_statement): Use it. Parse the optional init-statement
1149 for a range-based for loop.
1150 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1152 2018-05-22 Jason Merrill <jason@redhat.com>
1154 PR c++/81420 - not extending temporary lifetime.
1155 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1156 * class.c (build_base_path): Avoid redundant move of an rvalue.
1158 PR c++/85866 - error with .* in default template arg.
1159 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1161 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1163 * parser.c (cp_parser_parameter_declaration_list): Remove
1164 bool* parameter.
1165 (cp_parser_parameter_declaration_clause): Adjust.
1166 (cp_parser_cache_defarg): Likewise.
1168 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1170 PR c++/84588
1171 * parser.c (cp_parser_maybe_commit_to_declaration,
1172 cp_parser_check_condition_declarator): New.
1173 (cp_parser_simple_declaration): Use the first above.
1174 (cp_parser_condition): Use both the above; enforce
1175 [stmt.stmt]/2 about the declarator not specifying
1176 a function or an array; improve error-recovery.
1178 2018-05-20 Jason Merrill <jason@redhat.com>
1180 PR libstdc++/85843 - warning in logic_error copy constructor.
1181 * class.c (type_has_user_nondefault_constructor): Check for a
1182 user-provided ctor, not user-declared.
1184 2018-05-19 Jason Merrill <jason@redhat.com>
1186 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1187 on __integer_pack as subexpression of pattern.
1189 2018-05-18 Jason Merrill <jason@redhat.com>
1191 PR c++/58407 - deprecated implicit copy ops.
1192 * call.c (build_over_call): Warn about deprecated trivial fns.
1193 * class.c (classtype_has_user_copy_or_dtor): New.
1194 (type_build_ctor_call): Check TREE_DEPRECATED.
1195 (type_build_dtor_call): Likewise.
1196 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1197 Add checks. Return bool. Handle -Wdeprecated-copy.
1198 (mark_used): Use it.
1199 * decl.c (grokdeclarator): Remove redundant checks.
1200 * typeck2.c (build_functional_cast): Likewise.
1201 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1202 * init.c (build_aggr_init): Only set TREE_USED if there are
1203 side-effects.
1205 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1207 PR c++/85782
1208 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1209 OACC_LOOPs.
1211 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1213 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1214 (potential_constant_expression_1): Likewise.
1216 2018-05-16 Marek Polacek <polacek@redhat.com>
1218 PR c++/85363
1219 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1220 * tree.c (bot_manip): Call set_flags_from_callee for
1221 AGGR_INIT_EXPRs too.
1223 2018-05-15 Jason Merrill <jason@redhat.com>
1225 * cp-tree.h (cp_expr): Remove copy constructor.
1226 * mangle.c (struct releasing_vec): Declare copy constructor.
1228 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1230 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1231 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1232 is a throw-expression.
1234 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1236 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1237 (FOR_EACH_CLONE): Update.
1238 * decl.c (grokdeclarator): Use it.
1239 * decl2.c (vague_linkage_p): Likewise.
1240 * mangle.c (mangle_decl): Likewise.
1241 * method.c (lazily_declare_fn): Likewise.
1242 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1243 * repo.c (repo_emit_p): Likewise.
1244 * tree.c (decl_linkage): Likewise.
1246 2018-05-14 Jason Merrill <jason@redhat.com>
1248 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1249 * tree.c (build_cp_fntype_variant): New.
1250 (build_ref_qualified_type, build_exception_variant)
1251 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1252 (cxx_type_hash_eq, cp_check_qualified_type): Check
1253 TYPE_HAS_LATE_RETURN_TYPE.
1254 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1255 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1256 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1257 (adjust_clone_args): Likewise.
1258 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1259 build_cp_fntype_variant.
1260 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1261 (check_function_type): Use cxx_copy_lang_qualifiers.
1262 (static_fn_type): Use cxx_copy_lang_qualifiers.
1263 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1264 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1265 (change_return_type): Use cxx_copy_lang_qualifiers.
1266 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1267 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1268 return type on the declarator like a normal trailing return type.
1269 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1270 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1271 * typeck.c (merge_types): Use build_cp_fntype_variant.
1273 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1275 * cp-tree.h (TYPE_REF_P): New.
1276 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1277 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1278 direct_reference_binding, reference_binding, implicit_conversion,
1279 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1280 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1281 build_over_call, perform_implicit_conversion_flags,
1282 extend_ref_init_temps, type_has_extended_temps): Use it.
1283 * class.c (one_inheriting_sig, check_field_decls,
1284 check_bases_and_members, find_flexarrays, finish_struct,
1285 fixed_type_or_null): Likewise.
1286 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1287 non_const_var_error, cxx_eval_constant_expression,
1288 potential_constant_expression_1): Likewise.
1289 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1290 cp_genericize_r, cxx_omp_privatize_by_reference,
1291 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1292 cp_fold_maybe_rvalue): Likewise.
1293 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1294 * cvt.c (build_up_reference, convert_to_reference,
1295 convert_from_reference, convert_to_void, noexcept_conv_p,
1296 fnptr_conv_p): Likewise.
1297 * decl.c (poplevel, check_for_uninitialized_const_var,
1298 check_initializer, initialize_local_var, cp_finish_decl,
1299 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1300 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1301 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1302 decl_maybe_constant_var_p): Likewise.
1303 * error.c (dump_type_prefix, dump_expr): Likewise.
1304 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1305 is_admissible_throw_operand_or_catch_parameter): Likewise.
1306 * expr.c (mark_use): Likewise.
1307 * init.c (build_zero_init_1, build_value_init_noctor,
1308 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1309 build_new, build_delete): Likewise.
1310 * lambda.c (build_lambda_object): Likewise.
1311 * mangle.c (write_expression, write_template_arg): Likewise.
1312 * method.c (forward_parm, do_build_copy_constructor,
1313 do_build_copy_assign, build_stub_object, constructible_expr,
1314 walk_field_subobs): Likewise.
1315 * parser.c (cp_parser_omp_for_loop_init,
1316 cp_parser_omp_declare_reduction_exprs,
1317 cp_parser_omp_declare_reduction): Likewise.
1318 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1319 convert_template_argument, tsubst_pack_expansion,
1320 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1321 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1322 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1323 value_dependent_expression_p, build_deduction_guide): Likewise.
1324 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1325 finish_compound_literal, omp_privatize_field,
1326 handle_omp_array_sections_1, handle_omp_array_sections,
1327 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1328 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1329 finish_omp_clauses, finish_decltype_type, capture_decltype,
1330 finish_builtin_launder): Likewise.
1331 * tree.c (lvalue_kind, cp_build_reference_type, move,
1332 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1333 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1334 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1335 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1336 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1337 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1338 convert_for_initialization,
1339 maybe_warn_about_returning_address_of_local, check_return_expr,
1340 cp_type_quals, casts_away_constness, non_reference): Likewise.
1341 * typeck2.c (cxx_readonly_error, store_init_value,
1342 process_init_constructor_record, build_x_arrow, build_functional_cast,
1343 add_exception_specifier): Likewise.
1345 2018-05-14 Jason Merrill <jason@redhat.com>
1347 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1348 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1350 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1352 PR c/85696
1353 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1354 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1355 cxx_omp_predetermined_sharing_1. Rename old function to ...
1356 (cxx_omp_predetermined_sharing_1): ... this.
1357 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1358 instead of cxx_omp_predetermined_sharing.
1360 2018-05-10 Jason Merrill <jason@redhat.com>
1362 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1363 (check_static_variable_definition): Allow auto.
1364 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1366 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1367 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1369 Core issue 2310 - conversion to base of incomplete type.
1370 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1372 CWG 2267 - list-initialization of reference temporary
1373 * call.c (reference_binding): List-initializing a reference
1374 temporary is copy-list-initialization.
1376 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1378 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1379 instantiation in template context.
1381 * class.c (vbase_has_user_provided_move_assign): Use
1382 user_provided_p.
1384 * lambda.c (lambda_expr_this_capture): Improve logic.
1386 * decl.c (make_typename_type): s/parameters/arguments/.
1387 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1388 * pt.c (make_pack_expansion): Correct error message.
1390 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1392 PR c++/85662
1393 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1394 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1395 fold_convert.
1397 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1399 PR c++/85400
1400 * decl2.c (adjust_var_decl_tls_model): New static function.
1401 (comdat_linkage): Call it on a variable.
1402 (maybe_make_one_only): Likewise.
1404 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1406 PR c++/85713
1407 Revert:
1408 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1410 PR c++/84588
1411 * parser.c (cp_parser_parameter_declaration_list): When the
1412 entire parameter-declaration-list is erroneous maybe call
1413 abort_fully_implicit_template.
1415 2018-05-08 Jason Merrill <jason@redhat.com>
1417 PR c++/85706 - class deduction under decltype
1418 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1419 *walk_subtrees whether or not we walked into the operand.
1420 (type_uses_auto): Only look at deduced contexts.
1422 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1424 PR c++/84588
1425 * parser.c (cp_parser_parameter_declaration_list): When the
1426 entire parameter-declaration-list is erroneous maybe call
1427 abort_fully_implicit_template.
1429 2018-05-08 Marek Polacek <polacek@redhat.com>
1431 PR c++/85695
1432 * semantics.c (finish_if_stmt_cond): See through typedefs.
1434 2018-05-07 Jason Merrill <jason@redhat.com>
1436 PR c++/85646 - lambda visibility.
1437 * decl2.c (determine_visibility): Don't mess with template arguments
1438 from the containing scope.
1439 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1440 thunk.
1442 2018-05-07 Nathan Sidwell <nathan@acm.org>
1444 Remove fno-for-scope
1445 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1446 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1447 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1448 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1449 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1450 Don't declare.
1451 * name-lookup.h (struct cp_binding_level): Remove
1452 dead_vars_from_for field.
1453 * cp-lang.c (cp_init_ts): Delete.
1454 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1455 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1456 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1457 (init_shadowed_var_for_decl): Delete.
1458 * decl.c (poplevel): Remove shadowed for var handling.
1459 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1460 * name-lookup.c (find_local_binding): Remove shadowed for var
1461 handling.
1462 (check_local_shadow): Likewise.
1463 (check_for_out_of_scope_variable): Delete.
1464 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1465 handling.
1466 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1467 * semantics.c (begin_for_scope): Always have a scope.
1468 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1469 (begin_range_for_stmt, finish_id_expression): Likewise.
1471 2018-05-07 Jason Merrill <jason@redhat.com>
1473 PR c++/85618 - ICE with initialized VLA.
1474 * tree.c (vla_type_p): New.
1475 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1476 rather than array_of_runtime_bound_p.
1478 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1480 * cvt.c (ocp_convert): Early handle the special case of a
1481 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1483 2018-05-03 Jason Merrill <jason@redhat.com>
1485 PR c++/85600 - virtual delete failure.
1486 * init.c (build_delete): Always save_expr when deleting.
1488 2018-05-03 Nathan Sidwell <nathan@acm.org>
1490 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1491 * name-lookup.c (do_pushdecl): Likewise.
1493 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1494 Jason Merrill <jason@redhat.com>
1496 PR c++/68374
1497 * name-lookup.c (check_local_shadow): Don't handle static old
1498 declarations in the block handling locals shadowing locals.
1500 2018-05-01 Jason Merrill <jason@redhat.com>
1502 PR c++/85587 - error with scoped enum in template.
1503 * semantics.c (finish_qualified_id_expr): Don't return an
1504 unqualified IDENTIFIER_NODE.
1506 2018-04-30 Jason Merrill <jason@redhat.com>
1508 PR c++/85580 - extern "C" and local variables
1509 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1511 PR c++/84701 - unsigned typeof.
1512 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1513 of long/short/signed/unsigned.
1515 PR c++/85305 - pack in lambda init-capture.
1516 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1517 check_for_bare_parameter_packs in a subexpression.
1518 (cp_parser_lambda_introducer): Use it.
1520 PR c++/61982 - dead stores to destroyed objects.
1521 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1522 (build_over_call, build_special_member_call): Use it.
1523 * cp-tree.h: Declare it.
1524 * init.c (build_delete): Remove trivial path.
1526 * init.c (build_dtor_call): Use build_special_member_call.
1527 (build_delete): Remove redundant uses of save_addr.
1529 * decl.c (build_clobber_this): Use build_clobber.
1531 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1533 PR c++/85553
1534 * init.c (build_zero_init_1): For zero initialization of
1535 NULLPTR_TYPE_P type use build_int_cst directly.
1537 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1539 PR c++/85515
1540 * name-lookup.c (consider_binding_level): Skip compiler-generated
1541 variables.
1542 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1543 nested if statements into a series of rejection tests. Reject
1544 lambda-ignored entities as suggestions.
1546 2018-04-27 Jason Merrill <jason@redhat.com>
1548 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1549 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1551 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1553 PR c++/84691
1554 * decl.c (grokdeclarator): Clear friendp upon definition in local
1555 class definition error.
1557 2018-04-27 Jason Merrill <jason@redhat.com>
1559 PR c++/85545 - ICE with noexcept PMF conversion.
1560 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1561 build_ptrmemfunc.
1562 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1563 adjustment.
1564 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1566 2018-04-27 Nathan Sidwell <nathan@acm.org>
1568 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1570 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1571 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1572 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1573 (dump, print_other_binding_stacks): Remove declarations.
1574 * name-lookup.c (print_other_binding_stack): Make static.
1575 * pt.c (build_template_decl): Make static.
1577 2018-04-26 Jason Merrill <jason@redhat.com>
1579 PR c++/85545 - ICE with noexcept PMF conversion.
1580 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1582 2018-04-25 Nathan Sidwell <nathan@acm.org>
1584 PR c++/85437
1585 PR c++/49171
1586 * cp-tree.h (REINTERPRET_CAST_P): New.
1587 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1588 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1589 for non-trivial PTRMEM_CST cases.
1590 * typeck.c (build_nop_reinterpret): New.
1591 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1592 NOP_EXPRs returned by cp_convert.
1594 2018-04-23 Jason Merrill <jason@redhat.com>
1596 PR c++/69560 - wrong alignof(double) on x86.
1597 CWG 1879 - Inadequate definition of alignment requirement.
1598 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1599 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1600 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1601 (cxx_alignof_expr): Pass it.
1602 * parser.c (cp_parser_unary_expression): Pass it.
1603 * pt.c (tsubst_copy): Copy it.
1604 (tsubst_copy_and_build): Pass it.
1605 * decl.c (fold_sizeof_expr): Pass it.
1607 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1608 Jason Merrill <jason@redhat.com>
1610 PR c++/85470 - wrong error with static data member.
1611 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1612 * typeck2.c (store_init_value): Likewise.
1614 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1616 PR c++/85462
1617 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1618 change refcount member from unsigned char to unsigned short,
1619 add refcount_infinity static data member, adjust comments.
1620 * pt.c (tinst_level::refcount_infinity): Define.
1621 (inc_refcount_use): Remove assert, don't increment if refcount
1622 is already refcount_infinity, adjust comment.
1623 (dec_refcount_use): Remove assert, don't decrement if refcount
1624 is refcount_infinity, adjust comment.
1625 (push_tinst_level_loc): Formatting fix.
1627 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1629 PR c++/84611
1630 * pt.c (lookup_template_class_1): Check pushtag return value for
1631 error_mark_node.
1633 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1635 PR c++/80290
1636 * cp-tree.h (tinst_level::free): Fix whitespace.
1638 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1640 PR c++/84630
1641 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1642 for error_mark_node.
1644 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1646 PR c++/84463
1647 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1648 tricks from here to ...
1649 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1650 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1652 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1654 PR c++/80290
1655 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1656 targs. Add private split_list_p, tree_list_p, and not_list_p
1657 inline const predicates; to_list private member function
1658 declaration; free public member function declaration; list_p,
1659 get_node and maybe_get_node accessors, and refcount data
1660 member. Narrow errors to unsigned short.
1661 * error.c (print_instantiation_full_context): Use new
1662 accessors.
1663 (print_instantiation_partial_context_line): Likewise. Drop
1664 const from tinst_level-typed parameter.
1665 * mangle.c (mangle_decl_string): Likewise.
1666 * pt.c (freelist): New template class.
1667 (tree_list_freelist_head): New var.
1668 (tree_list_freelist): New fn, along with specializations.
1669 (tinst_level_freelist_head): New var.
1670 (pending_template_freelist_head): Likewise.
1671 (tinst_level_freelist, pending_template_freelist): New fns.
1672 (tinst_level::to_list, tinst_level::free): Define.
1673 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1674 (set_refcount_ptr): New template fn.
1675 (add_pending_template): Adjust for refcounting, freelists and
1676 new accessors.
1677 (neglectable_inst_p): Take a NULL d as a non-DECL.
1678 (limit_bad_template_recursion): Use new accessors.
1679 (push_tinst_level): New overload to create the list.
1680 (push_tinst_level_loc): Make it static, split decl into two
1681 args, adjust tests and initialization to cope with split
1682 lists, use freelist, adjust for refcounting.
1683 (push_tinst_level_loc): New wrapper with the old interface.
1684 (pop_tinst_level): Adjust for refcounting.
1685 (record_last_problematic_instantiation): Likewise.
1686 (reopen_tinst_level): Likewise. Use new accessors.
1687 (instantiate_alias_template): Adjust for split list.
1688 (fn_type_unification): Likewise.
1689 (get_partial_spec_bindings): Likewise.
1690 (instantiate_pending_templates): Use new accessors. Adjust
1691 for refcount. Release pending_template to freelist.
1692 (instantiating_current_function_p): Use new accessors.
1694 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1696 PR c++/85039
1697 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1698 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1699 if we've seen errors.
1701 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1703 PR c++/85385
1704 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1705 checking that the use is indeed before the definition.
1706 (macro_use_before_def::macro_use_before_def): Make private.
1707 (macro_use_before_def::~macro_use_before_def): Make private. Move
1708 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1709 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1710 than using new directly.
1712 2018-04-12 Jason Merrill <jason@redhat.com>
1714 PR c++/85356 - ICE with pointer to member function.
1715 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1716 flag_noexcept_type. Build the new spec within the function context.
1717 * except.c (build_noexcept_spec): Do get constant value in templates
1718 if flag_noexcept_type.
1719 * decl.c (check_redeclaration_exception_specification): Don't
1720 instantiate noexcept on a dependent declaration.
1722 2018-04-12 Marek Polacek <polacek@redhat.com>
1724 PR c++/85258
1725 * constexpr.c (reduced_constant_expression_p): Return false for null
1726 trees.
1728 2018-04-11 Marek Polacek <polacek@redhat.com>
1730 PR c++/85032
1731 * constexpr.c (potential_constant_expression_1): Consider conversions
1732 from classes to literal types potentially constant.
1734 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1736 PR c++/70808
1737 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1738 the type like TYPE_PTR_OR_PTRMEM_P.
1740 2018-04-10 Jason Merrill <jason@redhat.com>
1742 PR debug/65821 - wrong location for main().
1743 * call.c (clear_location_r, convert_default_arg): Revert.
1744 * tree.c (break_out_target_exprs): Add clear_location parm.
1745 (struct bot_data): New.
1746 (bot_manip): Clear location if requested.
1747 * init.c (get_nsdmi): Pass clear_location.
1749 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1751 PR c++/85110
1752 * call.c (get_fndecl_argument_location): Make non-static.
1753 * cp-tree.h (get_fndecl_argument_location): New decl.
1754 * typeck.c (convert_for_assignment): When complaining due to
1755 conversions for an argument, show the location of the parameter
1756 within the decl.
1758 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1760 PR c++/85312 - P0962 cleanup
1761 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1762 diagnostics.
1764 2018-04-10 Jason Merrill <jason@redhat.com>
1766 PR debug/65821 - wrong location for main().
1767 * call.c (clear_location_r): New.
1768 (convert_default_arg): Use it.
1769 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1771 PR c++/85285 - ICE with flexible array after substitution.
1772 * pt.c (instantiate_class_template_1): Check for flexible array in
1773 union.
1775 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1777 PR c++/85227
1778 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1779 issue a pedwarn and defer trying to do bindings.
1781 2018-04-09 Jason Merrill <jason@redhat.com>
1783 PR c++/85279 - dump_expr doesn't understand decltype.
1784 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1786 PR c++/85262 - ICE with redundant qualification on constructor.
1787 * call.c (build_new_method_call_1): Move make_args_non_dependent
1788 after A::A() handling.
1790 PR c++/85277 - ICE with invalid offsetof.
1791 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1792 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1794 PR c++/85264 - ICE with excess template-parameter-list.
1795 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1796 parameter. Don't allow an extra template header if true.
1797 (cp_parser_class_head): Pass template_id_p.
1798 (cp_parser_elaborated_type_specifier): Likewise.
1799 (cp_parser_alias_declaration): Likewise.
1800 (cp_parser_check_declarator_template_parameters): Likewise.
1802 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1804 PR c++/85194
1805 * parser.c (cp_parser_simple_declaration): For structured bindings,
1806 if *maybe_range_for_decl is NULL after parsing it, set it to
1807 error_mark_node.
1809 2018-04-09 Jason Merrill <jason@redhat.com>
1811 PR c++/85256 - ICE capturing pointer to VLA.
1812 * lambda.c (add_capture): Distinguish between variable-size and
1813 variably-modified types.
1815 2018-04-06 Jason Merrill <jason@redhat.com>
1817 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1818 * pt.c (extract_locals_r): Remember local typedefs.
1820 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1822 PR c++/84269
1823 * name-lookup.c (struct std_name_hint): Move out of
1824 get_std_name_hint; add field "min_dialect".
1825 (get_std_name_hint): Add min_dialect values to all initializers.
1826 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1827 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1828 <shared_mutex>, <string_view>, <thread>, and <variant>.
1829 Add fstream, ifstream, and ofstream to <fstream>.
1830 Add istringstream, ostringstream, and stringstream to <sstream>.
1831 Add basic_string to <string>.
1832 Add tuple_element and tuple_size to <tuple>.
1833 Add declval to <utility>.
1834 Fix ordering of <queue> and <tuple>.
1835 Return a std_name_hint, rather than a const char *.
1836 (get_cxx_dialect_name): New function.
1837 (maybe_suggest_missing_std_header): Detect names that aren't yet
1838 available in the current dialect, and instead of suggesting a
1839 missing #include, warn about the dialect.
1841 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1843 PR c++/85210
1844 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1845 errorcount is set if tsubst doesn't return a VAR_DECL.
1847 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1849 PR c++/85021
1850 * name-lookup.c (using_directives_contain_std_p): New function.
1851 (has_using_namespace_std_directive_p): New function.
1852 (suggest_alternatives_for): Simplify if/else logic using early
1853 returns. If no candidates were found, and there's a
1854 "using namespace std;" directive, call
1855 maybe_suggest_missing_std_header.
1856 (maybe_suggest_missing_header): Split later part of the function
1857 into..
1858 (maybe_suggest_missing_std_header): New.
1860 2018-04-06 Jason Merrill <jason@redhat.com>
1862 PR c++/85242 - ICE with class definition in template parm.
1863 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1864 processing_template_parmlist.
1866 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1867 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1869 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1871 PR c++/85209
1872 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1873 is not prev, if prev == decl.
1875 PR c++/85208
1876 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1877 maybe_apply_pragma_weak here...
1878 (cp_maybe_mangle_decomp): ... but call it here instead.
1880 2018-04-05 Jason Merrill <jason@redhat.com>
1882 PR c++/85136 - ICE with designated init in template.
1883 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1884 designated initializer.
1885 (check_array_designated_initializer): Update ce->index with the
1886 constant value.
1888 PR c++/83808 - ICE with VLA initialization.
1889 * typeck2.c (process_init_constructor_array): Don't require a VLA
1890 initializer to have VLA type.
1892 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1894 PR c++/80956
1895 * call.c (convert_like_real): Fail gracefully for a broken
1896 std::initializer_list, missing a definition.
1898 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1900 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1902 PR c++/84792
1903 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1904 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1906 2018-04-05 Jason Merrill <jason@redhat.com>
1908 PR c++/82152 - ICE with class deduction and inherited ctor.
1909 * pt.c (do_class_deduction): Ignore inherited ctors.
1911 PR c++/84665 - ICE with array of empty class.
1912 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1914 PR c++/85228 - ICE with lambda in enumerator in template.
1915 * pt.c (bt_instantiate_type_proc): Don't assume
1916 CLASSTYPE_TEMPLATE_INFO is non-null.
1918 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1920 Implement P0969
1921 * decl.c (find_decomp_class_base): Check accessibility instead
1922 of declared access, adjust diagnostic.
1924 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1926 Implement P0961
1927 * decl.c (get_tuple_decomp_init): Check the templatedness
1928 of a member get.
1930 2018-04-05 Jason Merrill <jason@redhat.com>
1932 PR c++/85200 - ICE with constexpr if in generic lambda.
1933 * pt.c (extract_locals_r): Don't record the local specs of variables
1934 declared within the pattern.
1936 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1938 PR c++/84979
1939 * pt.c (check_auto_in_tmpl_args): New.
1940 (tsubst_qualified_id): Use it to reject template args
1941 referencing auto for non-type templates.
1942 * parser.c (cp_parser_template_id): Likewise.
1943 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1944 * typeck2.c (build_functional_cast): Report correct location
1945 for invalid use of auto.
1947 2018-04-04 Jason Merrill <jason@redhat.com>
1949 PR c++/85215 - ICE with copy-init from conversion.
1950 * call.c (merge_conversion_sequences): Fix type of direct binding
1951 sequence.
1953 PR c++/84938 - ICE with division by ~-1.
1954 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1956 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1957 * parser.c (cp_parser_mem_initializer_list): Call
1958 check_for_bare_parameter_packs.
1960 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1962 PR inline-asm/85172
1963 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1964 builtin_valid_in_constant_expr_p functions, don't call
1965 cxx_eval_constant_expression if argument is not
1966 potential_constant_expression.
1968 PR c++/85146
1969 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1970 argument.
1971 * semantics.c (calculate_bases): Add complain argument. Use
1972 complete_type_or_maybe_complain instead of just complete_type and
1973 return an empty vector if it fails. Move make_tree_vector () call
1974 after early return. Formatting fixes.
1975 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1976 end.
1977 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1978 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1979 calculate_direct_bases callers, formatting fixes.
1981 2018-04-04 Jason Merrill <jason@redhat.com>
1983 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1984 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1986 PR c++/85200 - ICE with constexpr if in generic lambda.
1987 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1989 PR c++/84221 - bogus -Wunused with attribute and template.
1990 * decl2.c (is_late_template_attribute): Handle unused and used
1991 normally on non-TYPE_DECL.
1993 PR c++/85135 - ICE with omitted template arguments.
1994 * decl.c (grokdeclarator): Catch deduced class type in trailing
1995 return type.
1997 PR c++/85133 - ICE with missing concept initializer.
1998 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1999 true.
2001 PR c++/85118 - wrong error with generic lambda and std::bind.
2002 * call.c (add_template_conv_candidate): Disable if there are any
2003 call operators.
2005 PR c++/85141 - ICE with compound assignment and static member fn.
2006 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2007 compound assignment.
2009 PR c++/85148 - ICE with 'this' in array NSDMI.
2010 * tree.c (replace_placeholders_r): Use handled_component_p.
2012 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2014 PR c++/65923
2015 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2016 * parser.c (cp_parser_unqualified_id): ..not here.
2018 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2020 PR c++/84943
2021 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2022 used.
2023 * decl2.c (mark_used): Return without effects if tf_conv.
2025 2018-04-03 Jason Merrill <jason@redhat.com>
2027 PR c++/85092 - C++17 ICE with unused list constructor.
2028 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2029 from a TARGET_EXPR.
2031 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2032 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2033 __builtin_constant_p if ctx->quiet.
2035 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2037 PR c++/84768
2038 * pt.c (rewrite_template_parm): If the first argument is
2039 error_mark_node return it immediately.
2040 (build_deduction_guide): Check the return value of the
2041 latter for error_mark_node.
2042 (do_class_deduction): Check the return value of the latter.
2044 2018-04-03 Jason Merrill <jason@redhat.com>
2046 * semantics.c (finish_if_stmt_cond): Use
2047 instantiation_dependent_expression_p.
2049 PR c++/85149 - generic lambda and constexpr if.
2050 * pt.c (build_extra_args, add_extra_args): Split from
2051 tsubst_pack_expansion.
2052 (tsubst_expr) [IF_STMT]: Use them.
2053 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2055 * typeck.c (merge_types): Limit matching attribute shortcut to
2056 the default case.
2058 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2060 PR c++/85147
2061 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2063 PR c++/85140
2064 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2065 is error_mark_node.
2067 PR c++/85134
2068 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2069 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2070 instead for static data members clear init and set DECL_EXTERNAL.
2072 2018-04-02 Jason Merrill <jason@redhat.com>
2074 PR c++/64095 - auto... parameter pack.
2075 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2076 into packs here.
2077 (cp_parser_parameter_declaration_list): Not here.
2079 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2081 PR c++/85027
2082 * class.c (instantiate_type): Peel off SAVE_EXPR before
2083 BASELINK.
2085 2018-03-30 Jason Merrill <jason@redhat.com>
2087 * typeck2.c (process_init_constructor_record): Use
2088 init_list_type_node for the CONSTRUCTOR around an anonymous union
2089 designated initializer.
2091 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2093 PR c++/84791
2094 * semantics.c (finish_omp_reduction_clause): If
2095 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2096 even if processing_template_decl.
2098 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2100 PR c++/84269
2101 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2102 <tuple>, and <utility>.
2104 2018-03-29 Jason Merrill <jason@redhat.com>
2106 PR c++/85093 - too many template args with pack expansion.
2107 * pt.c (coerce_template_parms): Keep pack expansion args that will
2108 need to be empty.
2110 2018-03-29 Jason Merrill <jason@redhat.com>
2112 * pt.c (build_non_dependent_expr): Propagate expr location.
2114 2018-03-27 Jason Merrill <jason@redhat.com>
2116 PR c++/85060 - wrong-code with call to base member in template.
2117 * search.c (any_dependent_bases_p): Check uses_template_parms
2118 rather than processing_template_decl.
2120 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2122 PR c++/85110
2123 * typeck.c (convert_for_assignment): When complaining due to
2124 conversions for an argument, attempt to use the location of the
2125 argument.
2127 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2129 PR c++/85028
2130 * pt.c (tsubst_default_argument): Early return if the type of the
2131 parameter is erroneous.
2133 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2135 PR c++/84973
2136 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2137 templates.
2139 PR c++/84968
2140 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2142 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2144 PR c++/85067
2145 * method.c (defaulted_late_check): Partially revert r253321 changes,
2146 do not early return upon error.
2148 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2150 PR c++/85077
2151 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2152 type call fold to generate VECTOR_CSTs when possible.
2154 PR c++/85076
2155 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2156 return it right away.
2158 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2160 * search.c (check_final_overrider): Use inform instead of error
2161 for the diagnostics of the overridden functions. Tweak wording.
2163 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2165 PR c++/85068
2166 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2167 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2169 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2170 Jason Merrill <jason@redhat.com>
2172 PR c++/84632
2173 * init.c (build_aggr_init): When initializing from array,
2174 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2175 (build_vec_init): Handle separately ARRAY_TYPEs.
2177 2018-03-26 Jason Merrill <jason@redhat.com>
2179 PR c++/85062 - ICE with alignas in wrong place.
2180 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2181 here.
2183 PR c++/85049 - ICE with __integer_pack.
2184 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2185 * cp-tree.h (TEMPLATE_PARM_P): New.
2187 2018-03-23 Jason Merrill <jason@redhat.com>
2189 PR c++/78489 - wrong SFINAE behavior.
2191 PR c++/84489
2192 * pt.c (type_unification_real): Don't defer substitution failure.
2194 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2196 PR c++/85015
2197 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2198 result.
2200 PR c++/84942
2201 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2202 cp_build_unary_op call with gcc_unreachable ().
2204 2018-03-23 Marek Polacek <polacek@redhat.com>
2206 PR c++/85045
2207 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2208 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2209 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2211 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2213 Implement P0962
2214 * parser.c (cp_parser_perform_range_for_lookup): Change
2215 the condition for deciding whether to use members.
2217 2018-03-23 Marek Polacek <polacek@redhat.com>
2219 PR c++/85033
2220 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2222 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2224 PR c++/71251
2225 * parser.c (cp_parser_alias_declaration): Call
2226 parser_check_template_parameters.
2228 PR c++/84789
2229 * pt.c (resolve_typename_type): Drop assert that stopped
2230 simplification to template-independent types. Add assert to
2231 verify the initial scope is template dependent.
2232 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2233 Reparse the id expression as a type-name, not a declarator.
2235 PR c++/84729
2236 * init.c (build_vec_init): Error at parenthesized array init.
2238 PR c++/84610
2239 PR c++/84642
2240 PR c++/84942
2241 * cp-tree.h (temp_override): New template class, generalizing
2242 a cleanup that was only used...
2243 * parser.c (cp_parser_parameter_declaration_clause):
2244 ... here for auto_is_implicit_function_template_parm_p.
2245 (cp_parser_gnu_attributes_opt): Use it here as well.
2246 (cp_parser_std_attribute): Likewise.
2248 2018-03-22 Marek Polacek <polacek@redhat.com>
2250 PR c++/84854
2251 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2252 is boolean.
2254 2018-03-21 Jason Merrill <jason@redhat.com>
2256 PR c++/81311 - wrong C++17 overload resolution.
2257 * call.c (build_user_type_conversion_1): Remove C++17 code.
2258 (conv_binds_ref_to_prvalue): New.
2259 (build_over_call): Handle C++17 copy elision.
2260 (build_special_member_call): Only do C++17 copy elision here if the
2261 argument is already the right type.
2263 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2265 PR c++/71965
2266 * init.c (build_vec_init): Silence error, former sorry,
2267 without tf_error.
2269 PR c++/84610
2270 PR c++/84642
2271 * parser.c (abort_fully_implicit_template_p): New.
2272 (cp_parser_skip_to_end_of_statement): Use it.
2273 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2274 (finish_fully_implicit_template_p): Clear
2275 implicit_template_parms and implicit_template_scope.
2277 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2279 PR c++/84972
2280 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2281 error_mark_node when check_array_designated_initializer fails.
2283 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2285 PR c++/84961
2286 * cp-tree.h (genericize_compound_lvalue): Declare.
2287 * typeck.c (genericize_compound_lvalue): New function.
2288 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2289 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2290 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2291 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2292 COMPOUND_EXPR operand.
2294 2018-03-21 Nathan Sidwell <nathan@acm.org>
2296 PR c++/85008
2297 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2298 * decl2.c (vague_linkage_p): Likewise.
2300 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2302 PR c++/84994
2303 * constexpr.c (constexpr_fn_retval): Make non-"static".
2304 * cp-tree.h (constexpr_fn_retval): New decl.
2305 * search.c (direct_accessor_p): Update leading comment.
2306 (reference_accessor_p): Likewise.
2307 (field_accessor_p): Replace check that function body is a
2308 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2309 indentation of "field_type" decl.
2311 2018-03-21 Nathan Sidwell <nathan@acm.org>
2313 PR c++/84804
2314 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2315 complete classes.
2317 2018-03-21 Martin Sebor <msebor@redhat.com>
2319 PR c++/84850
2320 * call.c (first_non_public_field): New template and function.
2321 (first_non_trivial_field): New function.
2322 (maybe_warn_class_memaccess): Call them.
2324 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2326 PR c++/84892
2327 * search.c (field_accessor_p): Use class_of_this_parm rather than
2328 type_of_this_parm, to check that "this" is a "const T *", rather
2329 than a "T *const".
2331 2018-03-21 Nathan Sidwell <nathan@acm.org>
2333 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2334 other than public non-static data members.
2335 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2336 parenthesized initializer.
2338 PR c++/84836
2339 * name-lookup.c (update_binding): Correct logic for local binding
2340 update.
2342 2018-03-21 Marek Polacek <polacek@redhat.com>
2344 PR c++/71638, ICE with NSDMI and reference.
2345 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2346 even when we replace an element.
2348 2018-03-20 Marek Polacek <polacek@redhat.com>
2350 PR c++/84978, ICE with NRVO.
2351 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2352 a RESULT_DECL isn't in the hash map.
2354 2018-03-20 Jason Merrill <jason@redhat.com>
2356 PR c++/84978, ICE with NRVO.
2357 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2358 (cp_get_callee_fndecl_nofold): New.
2359 * cp-gimplify.c (cp_genericize_r): Use it instead.
2360 * call.c (check_self_delegation): Likewise.
2362 2018-03-20 Nathan Sidwell <nathan@acm.org>
2364 PR c++/84962
2365 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2366 member_vec, if there is one.
2368 PR c++/84970
2369 * cp-tree.h (lookup_list_keep): Declare.
2370 * tree.c (lookup_list_keep): New, broken out of ...
2371 (build_min): ... here. Call it.
2372 * decl.c (cp_finish_decl): Call lookup_list_keep.
2374 2018-03-19 Jason Merrill <jason@redhat.com>
2376 PR c++/84937 - ICE with class deduction and auto.
2377 * pt.c (rewrite_template_parm): Fix auto handling.
2379 2018-03-19 Marek Polacek <polacek@redhat.com>
2381 PR c++/84925
2382 * pt.c (enclosing_instantiation_of): Check if fn is null.
2384 PR c++/84927
2385 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2386 as we evaluate the elements.
2387 (cxx_eval_constant_expression): Verify constructor's flags
2388 unconditionally.
2390 2018-03-19 Jason Merrill <jason@redhat.com>
2392 PR c++/71834 - template-id with too few arguments.
2393 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2395 2018-03-19 Nathan Sidwell <nathan@acm.org>
2397 PR c++/84835
2398 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2399 * pt.c (build_template_decl): Propagate language linkage.
2401 PR c++/84812
2402 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2403 ambiguous lookups.
2405 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2407 PR c/84910
2408 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2409 diagnostics.
2410 * method.c (synthesize_method): Likewise.
2411 * pt.c (convert_nontype_argument): Likewise.
2413 2018-03-16 Jason Merrill <jason@redhat.com>
2415 PR c++/84720 - ICE with rvalue ref non-type argument.
2416 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2417 (convert_nontype_argument): Revert earlier change.
2419 PR c++/80227 - SFINAE and negative array size.
2420 * decl.c (compute_array_index_type): Use
2421 build_converted_constant_expr and valid_constant_size_p.
2423 PR c++/84906 - silent wrong code with ambiguous conversion.
2424 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2425 ambiguous conversion.
2426 (convert_like_real): Check it.
2428 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2429 * call.c (build_special_member_call): Don't convert an init-list
2430 argument directly to the class type.
2432 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2434 PR c++/79937
2435 PR c++/82410
2436 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2437 (find_placeholder): Declare.
2438 * tree.c (struct replace_placeholders_t): Add exp member.
2439 (replace_placeholders_r): Don't walk into ctors with
2440 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2441 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2442 (replace_placeholders): Initialize data.exp.
2443 (find_placeholders_r, find_placeholders): New functions.
2444 * typeck2.c (process_init_constructor_record,
2445 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2446 if adding NSDMI on which find_placeholder returns true.
2447 * call.c (build_over_call): Don't call replace_placeholders here.
2448 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2449 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2450 TARGET_EXPR_INITIAL.
2451 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2452 ctor.
2454 2018-03-16 Jason Merrill <jason@redhat.com>
2456 PR c++/83911 - ICE with multiversioned constructor.
2457 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2458 dispatchere here.
2459 * call.c (build_over_call): Not here.
2461 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2463 PR c++/84874
2464 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2465 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2467 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2469 PR c++/84222
2470 * cp-tree.h (cp_warn_deprecated_use): Declare.
2471 * tree.c (cp_warn_deprecated_use): New function.
2472 * typeck2.c (build_functional_cast): Use it.
2473 * decl.c (grokparms): Likewise.
2474 (grokdeclarator): Likewise. Temporarily push nested class scope
2475 around grokparms call for out of class member definitions.
2477 2018-03-14 Jason Merrill <jason@redhat.com>
2479 PR c++/84820 - no error for invalid qualified-id.
2480 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2481 cp_error_declarator.
2483 PR c++/84801 - ICE with unexpanded pack in lambda.
2484 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2485 lambda in non-template context.
2487 PR c++/81236 - auto variable and auto function
2488 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2489 mark_used.
2491 2018-03-14 Jason Merrill <jason@redhat.com>
2493 PR c++/83916 - ICE with template template parameters.
2494 * pt.c (convert_template_argument): Don't substitute into type of
2495 non-type parameter if we don't have enough arg levels.
2496 (unify): Likewise.
2498 2018-03-14 Marek Polacek <polacek@redhat.com>
2500 PR c++/84596
2501 * semantics.c (finish_static_assert): Check
2502 instantiation_dependent_expression_p instead of
2503 {type,value}_dependent_expression_p.
2505 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2506 Jason Merrill <jason@redhat.com>
2508 PR c++/82336 - link error with list-init default argument.
2509 * decl.c (check_default_argument): Unshare an initializer list.
2511 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2513 PR c++/84843
2514 * decl.c (duplicate_decls): For redefinition of built-in, use error
2515 and return error_mark_node. For redeclaration, return error_mark_node
2516 rather than olddecl if !flag_permissive.
2518 2018-03-13 Jason Merrill <jason@redhat.com>
2520 PR c++/82565 - ICE with concepts and generic lambda.
2521 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2523 2018-03-13 Jason Merrill <jason@redhat.com>
2525 PR c++/84720 - ICE with rvalue ref non-type argument.
2526 * pt.c (convert_nontype_argument): Handle rvalue references.
2528 PR c++/84839 - ICE with decltype of parameter pack.
2529 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2530 instantiating dummy parms.
2532 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2533 parameter even without -Wpedantic.
2535 PR c++/84798 - ICE with auto in abstract function declarator.
2536 * parser.c (cp_parser_parameter_declaration_clause): Check
2537 parser->default_arg_ok_p.
2539 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2541 PR c++/84808
2542 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2543 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2544 sizetype. Formatting fixes.
2546 2018-03-12 Jason Merrill <jason@redhat.com>
2548 PR c++/84355 - ICE with deduction for member class template.
2549 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2550 CLASS_PLACEHOLDER_TEMPLATE.
2552 PR c++/84802 - ICE capturing uninstantiated class.
2553 * lambda.c (build_capture_proxy): Call complete_type.
2555 2018-03-09 Jason Merrill <jason@redhat.com>
2557 PR c++/84770 - ICE with typedef and parameter pack.
2558 * pt.c (verify_unstripped_args_1): Split out from
2559 verify_unstripped_args.
2561 PR c++/84785 - ICE with alias template and default targs.
2562 * pt.c (type_unification_real): Set processing_template_decl if
2563 saw_undeduced == 1.
2565 PR c++/84752 - ICE with capture of constexpr array.
2566 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2567 identity conversion under ck_lvalue.
2569 2018-03-09 Jason Merrill <jason@redhat.com>
2570 Paolo Carlini <paolo.carlini@oracle.com>
2572 PR c++/71169
2573 PR c++/71832
2574 * pt.c (any_erroneous_template_args_p): New.
2575 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2576 * parser.c (cp_parser_class_specifier_1): Use it.
2578 2018-03-09 Jason Merrill <jason@redhat.com>
2580 PR c++/84726 - unnecessary capture of constant vars.
2581 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2582 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2583 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2584 * lambda.c (is_constant_capture_proxy)
2585 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2586 (prune_lambda_captures): New.
2587 (finish_lambda_function): Call prune_lambda_captures.
2589 2018-03-09 Jason Merrill <jason@redhat.com>
2590 Jakub Jelinek <jakub@redhat.com>
2592 PR c++/84076
2593 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2594 build ADDR_EXPR with REFERENCE_TYPE.
2595 (build_over_call): For purposes of check_function_arguments, if
2596 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2597 its operand rather than the argument itself.
2599 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2601 PR c++/84724
2602 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2603 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2604 also a note and return olddecl.
2606 2018-03-09 Nathan Sidwell <nathan@acm.org>
2608 PR c++/84733
2609 * name-lookup.c (do_pushdecl_with_scope): Only clear
2610 current_function_decl when pushing a non-class (i.e. namespace)
2611 scope.
2613 2018-03-08 Jason Merrill <jason@redhat.com>
2614 Jakub Jelinek <jakub@redhat.com>
2616 PR c++/80598
2617 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2618 not calling mark_used for the benefit of -Wunused-function warning.
2620 2018-03-06 Jason Merrill <jason@redhat.com>
2622 * lambda.c (is_capture_proxy_with_ref): Remove.
2623 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2625 2018-03-06 Marek Polacek <polacek@redhat.com>
2627 PR c++/84684
2628 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2629 arguments.
2631 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2633 PR c++/84231
2634 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2635 only while processing template decls.
2636 * typeck.c (build_x_conditional_expr): Move wrapping of
2637 reference type around type...
2638 * call.c (build_conditional_expr_1): ... here. Rename
2639 is_lvalue to is_glvalue.
2640 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2641 INDIRECT_REF of COND_EXPR too.
2643 PR c++/84593
2644 * init.c (build_zero_init_1): Zero-initialize references.
2646 PR c++/84492
2647 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2648 overloads used as stmt expr values.
2650 2018-03-05 Jason Merrill <jason@redhat.com>
2652 PR c++/84708 - ICE with lambda in local class NSDMI.
2653 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2654 context.
2656 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2658 PR c++/84684
2659 * constexpr.c (constexpr_call_hasher::equal): Return false if
2660 lhs->hash != rhs->hash. Change return 1 to return true and
2661 return 0 to return false.
2663 2018-03-05 Nathan Sidwell <nathan@acm.org>
2665 PR c++/84702
2666 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2668 2018-03-05 Marek Polacek <polacek@redhat.com>
2670 PR c++/84707
2671 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2672 UDLIT_OPER_P.
2674 2018-03-05 Nathan Sidwell <nathan@acm.org>
2676 PR c++/84694
2677 * friend.c (do_friend): Restore check for identifier_p inside
2678 TEMPLATE_ID_EXPR.
2680 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2682 PR c++/84618
2683 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2684 involving a VAR_DECL or a PARM_DECL.
2686 2018-03-05 Pádraig Brady <P@draigBrady.com>
2687 Jason Merrill <jason@redhat.com>
2688 Nathan Sidwell <nathan@acm.org>
2690 PR c++/84497
2691 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2693 2018-03-03 Jason Merrill <jason@redhat.com>
2695 PR c++/84686 - missing volatile loads.
2696 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2698 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2700 PR c++/71464
2701 * optimize.c (maybe_thunk_body): Bail out immediately if either
2702 fns[0] or fns[1] is null.
2704 2018-03-02 Marek Polacek <polacek@redhat.com>
2706 PR c++/84578
2707 * constexpr.c (get_array_or_vector_nelts): New.
2708 (cxx_eval_array_reference): Use it.
2709 (cxx_eval_vec_init_1): Likewise.
2710 (cxx_eval_store_expression): Likewise.
2712 2018-03-02 Jason Merrill <jason@redhat.com>
2714 * semantics.c (force_paren_expr): Remove redundant test.
2716 2018-03-02 Marek Polacek <polacek@redhat.com>
2718 PR c++/84663
2719 * decl.c (cp_complete_array_type): Check error_mark_node.
2721 PR c++/84664
2722 * typeck.c (cp_perform_integral_promotions): Check the result of
2723 mark_rvalue_use.
2725 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2727 PR c++/84662
2728 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2729 RETURN instead of return.
2730 <case POINTER_PLUS_EXPR>: Likewise.
2731 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2732 it instead of wrapping it into CONVERT_EXPR.
2734 2018-03-02 Jason Merrill <jason@redhat.com>
2736 Fix MIPS16 ICE.
2737 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2739 2018-03-02 Marek Polacek <polacek@redhat.com>
2741 PR c++/84590
2742 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2743 wrapped in VIEW_CONVERT_EXPR.
2745 2018-03-01 Martin Sebor <msebor@redhat.com>
2747 PR c++/84294
2748 * decl.c (check_redeclaration_no_default_args): Merge attributes
2749 specified on redeclarations of the same function template.
2750 Remove dead code.
2752 2018-03-01 Marek Polacek <polacek@redhat.com>
2753 Jason Merrill <jason@redhat.com>
2755 PR c++/84582
2756 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2757 a template.
2758 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2759 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2760 of instantiate_non_dependent_expr.
2761 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2763 2018-03-01 Nathan Sidwell <nathan@acm.org>
2765 PR c++/84434
2766 * name-lookup.c (member_vec_dedup): Remove manually peeled
2767 iteration. Ignore dependent ctor inheritance.
2769 2018-03-01 Jason Merrill <jason@redhat.com>
2771 PR c++/71569 - decltype of template.
2772 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2774 2018-03-01 Marek Polacek <polacek@redhat.com>
2776 PR c++/84596
2777 * constexpr.c (require_rvalue_constant_expression): New function.
2778 * cp-tree.h: Declare it.
2779 * semantics.c (finish_static_assert): Use it instead of
2780 require_potential_rvalue_constant_expression.
2782 2018-03-01 Jason Merrill <jason@redhat.com>
2783 Alexandre Oliva <aoliva@redhat.com>
2785 PR c++/71569 - ICE with redundant args on member variable template.
2786 * decl.c (start_decl): Handle partial specialization of member
2787 variable template.
2788 * pt.c (determine_specialization): Allow partial specialization
2789 of member variable template without specializing enclosing class.
2790 (process_partial_specialization): Improve error message.
2792 2018-02-28 Jason Merrill <jason@redhat.com>
2794 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2795 * pt.c (determine_specialization): Check ref-qualifier.
2797 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2799 PR c++/84609
2800 * parser.c (cp_parser_attributes_opt): Formatting fix.
2801 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2802 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2803 New functions.
2804 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2805 instead of tentative parse to peek over optional attribute tokens
2806 to check for CPP_COLON after them.
2808 PR c++/83871
2809 PR c++/83503
2810 * pt.c (INCLUDE_STRING): Remove define.
2811 (warn_spec_missing_attributes): Use pretty_printer instead of
2812 std::string. Fix up inform call so that the list of attributes
2813 is in %s argument.
2815 2018-02-28 Martin Sebor <msebor@redhat.com>
2817 PR testsuite/84617
2818 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2819 and malloc.
2821 2018-02-28 Nathan Sidwell <nathan@acm.org>
2823 PR c++/84602
2824 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2825 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2826 regardless of want_type.
2827 (search_anon_aggr): Just use get_class_binding_direct.
2829 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2831 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2832 inform_n.
2834 2018-02-27 Martin Sebor <msebor@redhat.com>
2836 * pt.c: Avoid including <string> directly.
2838 2018-02-27 Martin Sebor <msebor@redhat.com>
2840 PR c++/83871
2841 PR c++/83503
2842 * cp-tree.h (warn_spec_missing_attributes): New function.
2843 ((check_explicit_specialization): Add an argument. Call the above
2844 function.
2845 * decl.c (duplicate_decls): Avoid applying primary function template's
2846 attributes to its explicit specializations.
2847 cp/pt.c (warn_spec_missing_attributes): Define.
2849 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
2851 PR c++/71546 - lambda init-capture with qualified-id.
2852 * parser.c (cp_parser_lambda_introducer): Clear scope after
2853 each lambda capture.
2855 2018-02-27 Nathan Sidwell <nathan@acm.org>
2857 PR c++/84426
2858 * name-lookup.h (get_member_slot): Rename ...
2859 (find_member_slot): ... here.
2860 (add_member_slot): New.
2861 * name-lookup.c (member_vec_linear_search): No need to check for
2862 NULL slot.
2863 (get_member_slot): Rename ...
2864 (find_member_slot): ... here. Don't add slot for incomplete class.
2865 (add_member_slot): New.
2866 * class.c (add_method): Adjust get_member_slot rename. Bail out
2867 if push_class_level_binding fails. Create slot and grok
2868 properties once we're committed to insertion.
2870 2018-02-27 Jason Merrill <jason@redhat.com>
2872 PR c++/84489 - dependent default template argument
2873 * pt.c (type_unification_real): Handle early substitution failure.
2875 2018-02-26 Jason Merrill <jason@redhat.com>
2877 PR c++/84560 - ICE capturing multi-dimensional VLA.
2878 * tree.c (array_of_runtime_bound_p): False if the element is
2879 variably-modified.
2881 PR c++/84441 - ICE with base initialized from ?:
2882 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2884 PR c++/84520 - ICE with generic lambda in NSDMI.
2885 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2886 'this' in a generic lambda instantiation.
2888 PR c++/84559 - ICE with constexpr VLA.
2889 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2890 for constexpr variable with VLA type.
2892 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2894 PR c++/84558
2895 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2896 a valid constant initializer. Formatting fixes.
2898 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2900 PR c++/84540
2901 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2902 returning NULL_TREE.
2903 (apply_late_template_attributes): Likewise.
2905 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2907 PR c++/84557
2908 * parser.c (cp_parser_omp_var_list_no_open): Only call
2909 cp_parser_lookup_name_simple on names satisfying identifier_p.
2910 (cp_parser_oacc_routine): Likewise.
2912 2018-02-26 Jason Merrill <jason@redhat.com>
2914 PR c++/84551 - ICE with concepts and -g.
2915 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2917 2018-02-26 Marek Polacek <polacek@redhat.com>
2919 PR c++/84325
2920 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2921 non-types.
2923 2018-02-26 Jason Merrill <jason@redhat.com>
2925 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2926 * call.c (build_over_call): Handle deleted functions in one place.
2928 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2930 PR c++/84533
2931 * decl.c (redeclaration_error_message): Don't try to use
2932 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2934 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2936 * lambda.c (build_capture_proxy): Define static.
2937 * cp-tree.h (build_capture_proxy): Remove.
2939 2018-02-26 Marek Polacek <polacek@redhat.com>
2941 PR c++/84537
2942 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2943 if name is error node.
2945 2018-02-25 Jason Merrill <jason@redhat.com>
2947 PR c++/84015 - ICE with class deduction and auto template parm.
2948 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2950 2018-02-24 Marek Polacek <polacek@redhat.com>
2952 PR c++/83692
2953 * constexpr.c (maybe_constant_init_1): New function.
2954 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2955 (cxx_constant_init): New function.
2956 * cp-tree.h (cxx_constant_init): Declare.
2957 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2958 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2960 2018-02-22 Jason Merrill <jason@redhat.com>
2962 PR c++/70468 - ICE with constructor delegation via typedef.
2963 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2964 with constructor delegation.
2966 2018-02-22 Jason Merrill <jason@redhat.com>
2968 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2969 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2970 VECTOR_TYPE.
2972 2018-02-22 Marek Polacek <polacek@redhat.com>
2974 PR c++/84493
2975 * parser.c (cp_parser_braced_list): Use require_open instead of
2976 consume_open.
2978 2018-02-21 Jason Merrill <jason@redhat.com>
2980 PR c++/84454 - ICE with pack expansion in signature.
2981 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2983 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2985 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2986 IF_STMT.
2988 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2990 PR c++/84446
2991 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2992 on error_mark_node.
2994 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2996 PR c++/84445
2997 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2998 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3000 PR c++/84449
3001 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3002 returns error_mark_node, return it immediately.
3003 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3004 error_mark_node, return error_mark_node.
3006 PR c++/84455
3007 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3008 function_depth to avoid GC during finish_lambda_function.
3010 2018-02-19 Jason Merrill <jason@redhat.com>
3012 PR c++/84429 - ICE capturing VLA.
3013 * lambda.c (build_capture_proxy): Handle reference refs.
3015 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3017 PR c++/84448
3018 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3019 either operand is error_mark_node, set current.lhs to that instead of
3020 creating a binary op with error_mark_node operands.
3022 PR c++/84430
3023 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3025 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3027 PR c++/84348
3028 * decl.c (grokdeclarator): Early return error_mark_node upon
3029 ill-formed friend declaration.
3031 2018-02-16 Marek Polacek <polacek@redhat.com>
3032 Jakub Jelinek <jakub@redhat.com>
3034 PR c++/84192
3035 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3036 set *jump_target to anything if jump_target is NULL.
3038 2018-02-16 Jason Merrill <jason@redhat.com>
3040 PR c++/84151 - unnecessary volatile load with static member.
3041 * call.c (build_new_method_call_1): Avoid loading from a volatile
3042 lvalue used as the object argument for a static member function.
3044 PR c++/81853 - using-directive and constexpr.
3045 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3047 PR c++/84420 - ICE with structured binding in lambda.
3048 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3050 PR c++/83835 - C++17 error with constructor ctors.
3051 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3053 PR c++/82664 - ICE with reference to function template parm.
3054 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3055 NOP_EXPRs.
3057 PR c++/82764 - C++17 ICE with empty base
3058 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3060 2018-02-16 Jason Merrill <jason@redhat.com>
3062 PR c++/84421 - type-dependent if constexpr
3063 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3065 2018-02-16 Nathan Sidwell <nathan@acm.org>
3067 Deprecate -ffriend-injection.
3068 * decl.c (cxx_init_decl_processing): Emit warning on option.
3069 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3070 friend.
3072 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3074 PR c++/82468
3075 * decl.c (check_special_function_return_type): Reject template
3076 template parameter in deduction guide.
3078 2018-02-16 Nathan Sidwell <nathan@acm.org>
3080 PR c++/84375
3081 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3083 2018-02-15 Jason Merrill <jason@redhat.com>
3085 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3086 * call.c (convert_like_real): Don't use the copy-list-initialization
3087 shortcut for ck_base.
3089 PR c++/84045 - ICE with typedef and noexcept.
3090 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3092 PR c++/84376 - ICE with omitted template arguments.
3093 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3095 PR c++/84368 - wrong error with local variable in variadic lambda.
3096 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3097 local_specializations.
3099 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3101 PR c++/84330
3102 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3103 as first argument.
3105 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3107 PR c++/84350
3108 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3109 init, early return.
3111 2018-02-14 Nathan Sidwell <nathan@acm.org>
3113 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3114 (c_parse_final_cleanups): Restore input_location after emitting
3115 vtables.
3117 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3119 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3120 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3121 auto_deduction_context, tree, int): Add defaults.
3122 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3123 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3124 tsubst_flags_t argument.
3125 * init.c (build_new): Likewise.
3127 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3129 PR c++/84364
3130 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3131 about return other than *this in assignment operators if
3132 retval is type dependent expression.
3134 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3136 PR c++/84333
3137 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3138 save_expr for the G++ extension.
3140 2018-02-13 Jason Merrill <jason@redhat.com>
3142 PR c++/84080 - ICE with return type deduction and specialization.
3143 * pt.c (determine_specialization): Check uses_template_parms.
3145 Fix more variadic capture issues.
3146 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3147 (check_for_bare_parameter_packs): Check current_class_type for
3148 lambda context.
3149 (extract_locals_r): Handle seeing a full instantiation of a pack.
3150 (tsubst_pack_expansion): Likewise. Force lambda capture.
3151 * parser.c (cp_parser_lambda_introducer): Don't
3152 check_for_bare_parameter_packs.
3154 PR c++/84338 - wrong variadic sizeof.
3155 * pt.c (argument_pack_select_arg): Like the macro, but look through
3156 a pack expansion.
3157 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3158 (extract_fnparm_pack): Do make_pack_expansion.
3159 (extract_locals_r): Do strip a pack expansion.
3160 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3162 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3164 PR c++/84341
3165 * parser.c (cp_parser_binary_expression): Use build_min instead of
3166 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3168 2018-02-12 Nathan Sidwell <nathan@acm.org>
3170 PR c++/84263
3171 * parser.c (cp_parser_decltype): Push and pop
3172 deferring_access_checks. Reorganize to avoid goto.
3174 2018-02-12 Richard Biener <rguenther@suse.de>
3176 PR c++/84281
3177 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3178 uniform constructors and delay allocating them fully.
3180 2018-02-09 Jason Merrill <jason@redhat.com>
3182 PR c++/84036 - ICE with variadic capture.
3183 Handle variadic capture proxies more like non-variadic.
3184 * lambda.c (build_capture_proxy): Remove workaround.
3185 * pt.c (find_parameter_packs_r): The proxy is a pack.
3186 (instantiate_class_template_1): Remove dead lambda code.
3187 (extract_fnparm_pack): Don't make_pack_expansion.
3188 (extract_locals_r): Don't strip a pack expansion.
3189 (tsubst_pack_expansion): Handle proxy packs. Use
3190 PACK_EXPANSION_EXTRA_ARGS less.
3191 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3192 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3193 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3194 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3195 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3197 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3199 PR sanitizer/83987
3200 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3202 2018-02-09 Jason Merrill <jason@redhat.com>
3204 PR c++/81917 - ICE with void_t and partial specialization.
3205 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3206 calling most_specialized_partial_spec.
3208 2018-02-09 Nathan Sidwell <nathan@acm.org>
3210 PR c/84293
3211 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3212 Pass expr location to strict_aliasing_warning.
3214 2018-02-09 Jason Merrill <jason@redhat.com>
3216 PR c++/84296 - ICE with qualified-id in template.
3217 PR c++/83714
3218 * pt.c (unknown_base_ref_p): New.
3219 (instantiation_dependent_scope_ref_p): Use it instead of
3220 any_dependent_bases_p.
3222 2018-02-09 Marek Polacek <polacek@redhat.com>
3223 Jakub Jelinek <jakub@redhat.com>
3225 PR c++/83659
3226 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3227 fold_indirect_ref_1, including poly_*int64. Verify first that
3228 tree_fits_poly_int64_p (op01). Formatting fixes.
3230 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3232 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3233 * lambda.c (build_capture_proxy): Likewise.
3234 * search.c (field_access_p): Likewise.
3235 * semantics.c (omp_clause_decl, omp_privatize_field,
3236 finish_omp_clauses): Likewise.
3238 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3240 PR c++/83806
3241 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3242 case of nullptr too.
3244 2018-02-08 Nathan Sidwell <nathan@acm.org>
3246 * class.c (finish_struct): Fix std:initializer_list diagnostic
3247 formatting.
3249 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3251 PR c++/83204
3252 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3254 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3256 PR c++/84082
3257 * parser.c (cp_parser_dot_deref_incomplete): New function.
3258 (cp_parser_postfix_dot_deref_expression): Use it.
3260 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3262 PR c++/81610
3263 PR c++/80567
3264 * name-lookup.c (suggest_rid_p): New function.
3265 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3266 suggest_rid_p.
3268 2018-02-07 Jason Merrill <jason@redhat.com>
3270 PR c++/84182 - ICE with captured lambda
3271 PR c++/84181
3272 * pt.c (extract_locals_r, extract_local_specs): New.
3273 (tsubst_pack_expansion): Use them.
3275 2018-02-07 Martin Liska <mliska@suse.cz>
3277 PR c++/84059.
3278 * class.c (add_method): Append argument value.
3279 * cp-tree.h (maybe_version_functions): Add new argument.
3280 * decl.c (decls_match): Call it if a declaration does not
3281 have DECL_FUNCTION_VERSIONED.
3282 (maybe_version_functions): record argument is added.
3284 2018-02-05 Marek Polacek <polacek@redhat.com>
3286 * class.c: Remove unused global variables.
3287 (build_primary_vtable): Don't gather statistics.
3288 (print_class_statistics): Remove.
3289 * cp-tree.h (print_class_statistics): Remove.
3290 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3292 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3294 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3295 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3296 * decl.c (next_initializable_field, find_decomp_class_base,
3297 cp_finish_decomp): Likewise.
3298 * typeck2.c (process_init_constructor_record): Likewise.
3300 2018-02-02 Jason Merrill <jason@redhat.com>
3302 PR c++/84181 - ICE with lambda parm in template argument.
3303 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3305 2018-02-01 Jason Merrill <jason@redhat.com>
3307 PR c++/84160 - ICE with nested variadic capture.
3308 * lambda.c (is_capture_proxy_with_ref): New.
3309 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3310 COMPONENT_REF.
3311 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3312 * constexpr.c (potential_constant_expression_1): Likewise.
3313 * semantics.c (process_outer_var_ref): Likewise.
3315 2018-02-01 Marek Polacek <polacek@redhat.com>
3317 PR c++/84125
3318 * typeck.c (build_address): Relax the assert when
3319 processing_template_decl.
3321 2018-02-01 Jason Merrill <jason@redhat.com>
3323 PR c++/84126 - ICE with variadic generic lambda
3324 PR c++/84036
3325 PR c++/82249
3326 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3327 PACK_EXPANSION_EXTRA_ARGS.
3329 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3331 PR c++/83796
3332 * call.c (convert_like_real): If w're initializing from {} explicitly
3333 call abstract_virtuals_error_sfinae.
3335 2018-01-31 Jason Merrill <jason@redhat.com>
3336 Jakub Jelinek <jakub@redhat.com>
3338 PR c++/83993
3339 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3340 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3341 on ADDR_EXPR.
3343 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3345 PR c++/83993
3346 * constexpr.c (diag_array_subscript): Emit different diagnostics
3347 if TYPE_DOMAIN (arraytype) is NULL.
3348 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3349 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3351 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3353 PR c++/84092
3354 * semantics.c (finish_qualified_id_expr): When handling an
3355 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3357 2018-01-31 Marek Polacek <polacek@redhat.com>
3359 PR c++/84138
3360 * cp-gimplify.c (cp_fold): Check if X is an error node before
3361 calling useless_type_conversion_p.
3363 2018-01-30 Jason Merrill <jason@redhat.com>
3365 PR c++/84091 - ICE with local class in lambda in template.
3366 * decl2.c (determine_visibility): Look for outer containing template
3367 instantiation.
3369 PR c++/84098 - ICE with lambda in template NSDMI.
3370 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3372 2018-01-29 Jason Merrill <jason@redhat.com>
3374 PR c++/68810 - wrong location for reinterpret_cast error.
3375 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3376 !dofold.
3378 2018-01-29 Marek Polacek <polacek@redhat.com>
3380 PR c++/83996
3381 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3382 => fooarray[1] in offset_int.
3384 2018-01-29 Jason Merrill <jason@redhat.com>
3386 PR c++/83942 - wrong unused warning with static_cast.
3387 * cvt.c (ocp_convert): Call mark_rvalue_use.
3389 2018-01-26 Jason Merrill <jason@redhat.com>
3391 PR c++/83956 - wrong dtor error with anonymous union
3392 * method.c (walk_field_subobs): Variant members only affect
3393 deletedness.
3394 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3396 PR c++/84036 - ICE with variadic capture.
3397 PR c++/82249
3398 * pt.c (tsubst_pack_expansion): When optimizing a simple
3399 substitution, pull a single pack expansion out of its pack.
3401 PR c++/82514 - ICE with local class in generic lambda.
3402 * pt.c (regenerated_lambda_fn_p): Remove.
3403 (enclosing_instantiation_of): Don't use it.
3404 (tsubst_function_decl): Call enclosing_instantiation_of.
3406 * pt.c (lookup_template_class_1): Add sanity check.
3407 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3409 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3411 PR c++/84031
3412 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3413 recursive calls that return ret.
3414 (cp_finish_decomp): Ignore unnamed bitfields.
3416 2018-01-23 Jason Merrill <jason@redhat.com>
3418 PR c++/82249 - wrong mismatched pack length error.
3419 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3420 unsubstituted function parameter pack.
3422 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3424 PR c++/83921
3425 * decl.c (check_for_uninitialized_const_var): Not static; add
3426 bool and tsubst_flags_t parameters; adjust to be used both in
3427 constexpr context and not.
3428 * constexpr.c (potential_constant_expression_1): Use the above.
3429 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3431 2018-01-23 Jason Merrill <jason@redhat.com>
3433 PR c++/83947 - ICE with auto declarations.
3434 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3435 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3437 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3439 PR c++/83974
3440 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3441 for pointer to member function types.
3443 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3445 PR sanitizer/83987
3446 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3447 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3449 2018-01-23 Nathan Sidwell <nathan@acm.org>
3451 PR c++/83988
3452 * pt.c (tsubst_baselink): Remove optype assert.
3453 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3455 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3457 PR c++/83958
3458 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3459 refers to incomplete type.
3461 2018-01-23 Nathan Sidwell <nathan@acm.org>
3463 Deprecate ARM-era for scope handling
3464 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3465 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3466 cleared.
3467 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3468 cleanup handling.
3469 * semantics.c (begin_for_scope): Flag_new_for_scope is
3470 boolean-like.
3471 (finish_for_stmt, begin_range_for_stmt): Likewise.
3473 2018-01-22 Jason Merrill <jason@redhat.com>
3475 PR c++/83720
3476 * decl2.c (determine_visibility): Fix template_decl handling
3477 instead of blocking it.
3479 PR c++/83720 - ICE with lambda and LTO.
3480 * decl2.c (determine_visibility): Clear template_decl for
3481 function-scope decls. Propagate anonymous linkage from containing
3482 function.
3484 2018-01-22 Marek Polacek <polacek@redhat.com>
3486 PR c++/81933
3487 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3488 split out anything.
3490 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3492 PR c++/83895
3493 * decl.c (grokdeclarator): Don't diagnose extra parens
3494 on typedefs.
3496 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3498 PR c++/81167
3499 * call.c (joust): Use TREE_TYPE (source) if source is
3500 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3502 PR c++/83919
3503 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3504 for direct enum init.
3505 * decl.c (reshape_init): Likewise.
3507 2018-01-19 Marek Polacek <polacek@redhat.com>
3509 * constexpr.c (fold_simple): Simplify.
3511 2018-01-18 Jason Merrill <jason@redhat.com>
3513 PR c++/83714
3514 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3515 * pt.c (instantiation_dependent_scope_ref_p): True if
3516 any_dependent_bases_p.
3518 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3520 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3521 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3523 2018-01-18 Jason Merrill <jason@redhat.com>
3525 PR c++/82461 - constexpr list-initialized member
3526 * constexpr.c (potential_constant_expression_1): Check
3527 TARGET_EXPR_DIRECT_INIT_P.
3529 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3531 PR c++/81013
3532 * decl.c (xref_basetypes): Early return upon error about derived
3533 union.
3535 2018-01-18 Nathan Sidwell <nathan@acm.org>
3537 PR c++/83160
3538 * cp-tree.h (mark_use): Declare.
3539 * expr.c (mark_use): Make extern.
3540 * call.c (direct_reference_binding): Set inner conv's
3541 rvaluedness_matches_p, if it is an identity.
3542 (convert_like_real): Mark lvalue or rvalue use for identity as
3543 rvaledness_matches_p demands.
3545 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3547 PR c++/83824
3548 * parser.c (attr_chainon): New function.
3549 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3550 cp_parser_namespace_definition, cp_parser_init_declarator,
3551 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3552 cp_parser_gnu_attributes_opt): Use it.
3553 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3554 cp_parser_objc_struct_declaration): Likewise. Don't reset
3555 prefix_attributes if attributes is error_mark_node.
3557 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3559 PR c++/78344
3560 * decl.c (grokdeclarator): Do not append the error_mark_node
3561 due to an erroneous optional attribute-specifier-seq.
3563 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3565 PR c++/83897
3566 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3567 CLEANUP_POINT_EXPR.
3569 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3571 PR c++/81054
3572 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3573 error_mark_node when we give an error.
3574 * decl.c (cp_finish_decl): Use the latter.
3576 2018-01-17 Nathan Sidwell <nathan@acm.org>
3578 PR c++/83287
3579 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3581 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3583 PR c++/83814
3584 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3585 the C++ part. If processing a template, call
3586 fold_non_dependent_expr rather than fully folding.
3588 2018-01-17 Jason Merrill <jason@redhat.com>
3590 PR c++/81067 - redundant NULL warning.
3591 * call.c (convert_like_real): Restore null_node handling.
3593 2018-01-17 Jason Merrill <jason@redhat.com>
3595 PR c++/81843 - ICE with variadic member template.
3596 PR c++/72801
3597 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3598 template args.
3600 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3602 PR c++/83799
3603 * pt.c (type_dependent_expression_p): Strip any location wrapper
3604 before testing tree codes.
3605 (selftest::test_type_dependent_expression_p): New function.
3606 (selftest::cp_pt_c_tests): Call it.
3608 2018-01-17 Nathan Sidwell <nathan@acm.org>
3610 PR c++/83739
3611 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3612 this not a final instantiation.
3614 2018-01-16 Jason Merrill <jason@redhat.com>
3616 PR c++/83714 - ICE checking return in template.
3617 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3619 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3621 PR c++/83817
3622 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3623 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3624 instead of CALL_FROM_THUNK_P.
3626 PR c++/83825
3627 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3628 (resort_type_member_vec, set_class_bindings,
3629 insert_late_enum_def_bindings): Use vec qsort method instead of
3630 calling qsort directly.
3632 2018-01-15 Martin Sebor <msebor@redhat.com>
3634 PR c++/83588
3635 * class.c (find_flexarrays): Make a record of multiple flexible array
3636 members.
3638 2018-01-12 Jason Merrill <jason@redhat.com>
3640 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3641 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3643 2018-01-12 Nathan Sidwell <nathan@acm.org>
3645 * cp-tree.h (mark_rvalue_use): Add parm name.
3646 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3647 mark_rvalue_use.
3648 * call.c (convert_like_real): Fix formatting.
3650 2018-01-11 Jason Merrill <jason@redhat.com>
3652 PR c++/82728 - wrong -Wunused-but-set-variable
3653 PR c++/82799
3654 PR c++/83690
3655 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3656 * decl.c (case_conversion): Likewise.
3657 * semantics.c (finish_static_assert): Call
3658 perform_implicit_conversion_flags.
3660 2018-01-11 Nathan Sidwell <nathan@acm.org>
3662 * method.c (enum mangling_flags): Delete long-dead enum.
3664 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3666 * parser.c (cp_parser_std_attribute_spec): When
3667 token_pair::require_open / require_close return false simply
3668 return error_mark_node, avoid duplicate cp_parser_error about
3669 expected '(' / ')', respectively.
3671 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3673 PR c++/43486
3674 * call.c (null_ptr_cst_p): Strip location wrappers when
3675 converting from '0' to a pointer type in C++11 onwards.
3676 (conversion_null_warnings): Replace comparison with null_node with
3677 call to null_node_p.
3678 (build_over_call): Likewise.
3679 * cp-gimplify.c (cp_fold): Remove the early bailout when
3680 processing_template_decl.
3681 * cp-lang.c (selftest::run_cp_tests): Call
3682 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3683 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3684 (selftest::run_cp_tests): Move decl to bottom of file.
3685 (null_node_p): New inline function.
3686 (selftest::cp_pt_c_tests): New decl.
3687 (selftest::cp_tree_c_tests): New decl.
3688 * cvt.c (build_expr_type_conversion): Replace comparison with
3689 null_node with call to null_node_p.
3690 * error.c (args_to_string): Likewise.
3691 * except.c (build_throw): Likewise.
3692 * mangle.c (write_expression): Skip location wrapper nodes.
3693 * parser.c (literal_integer_zerop): New function.
3694 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3695 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3696 param of cp_parser_parenthesized_expression_list. When calling
3697 warn_for_memset, replace integer_zerop calls with
3698 literal_integer_zerop, eliminating the double logical negation
3699 cast to bool. Eliminate the special-casing for CONST_DECL in
3700 favor of the fold_for_warn within warn_for_memset.
3701 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3702 param, defaulting to false. Convert "expr" to a cp_expr, and call
3703 maybe_add_location_wrapper on it when wrap_locations_p is true.
3704 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3705 the result for RID_ALIGNOF and RID_SIZEOF.
3706 (cp_parser_builtin_offsetof): Likewise.
3707 * pt.c: Include "selftest.h".
3708 (tsubst_copy): Handle location wrappers.
3709 (tsubst_copy_and_build): Likewise.
3710 (build_non_dependent_expr): Likewise.
3711 (selftest::test_build_non_dependent_expr): New function.
3712 (selftest::cp_pt_c_tests): New function.
3713 * tree.c: Include "selftest.h".
3714 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3715 (selftest::test_lvalue_kind): New function.
3716 (selftest::cp_tree_c_tests): New function.
3717 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3718 (cp_build_binary_op): Replace comparison with null_node with call
3719 to null_node_p.
3720 (build_address): Use location of operand when building address
3721 expression.
3723 2018-01-10 Marek Polacek <polacek@redhat.com>
3725 PR c++/82541
3726 * call.c (build_conditional_expr_1): Check complain before warning.
3727 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3728 -Wduplicated-branches.
3730 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3732 PR c++/81327
3733 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3734 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3735 args uses and check number of operands too. Don't strip away any
3736 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3737 Deal with src argument not having pointer type. Check
3738 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3739 test.
3740 (build_over_call): Call maybe_warn_class_memaccess here on the
3741 original arguments.
3742 (build_cxx_call): Rather than here on converted arguments.
3744 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3746 PR c++/81055
3747 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3748 error_mark_node as second argument.
3750 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3752 PR c++/83734
3753 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3754 in STATEMENT_LIST. Remove unneeded assert.
3756 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3757 Alan Hayward <alan.hayward@arm.com>
3758 David Sherwood <david.sherwood@arm.com>
3760 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3761 VECTOR_CST_NELTS.
3762 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3763 * call.c (build_conditional_expr_1): Likewise.
3764 * decl.c (cp_finish_decomp): Likewise.
3765 * mangle.c (write_type): Likewise.
3766 * typeck.c (structural_comptypes): Likewise.
3767 (cp_build_binary_op): Likewise.
3768 * typeck2.c (process_init_constructor_array): Likewise.
3770 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3772 PR c++/83555
3773 * typeck.c (build_static_cast_1): For static casts to reference types,
3774 call build_base_path with flag_delete_null_pointer_checks as nonnull
3775 instead of always false. When -fsanitize=null, call
3776 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3777 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3778 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3780 2018-01-03 Nathan Sidwell <nathan@acm.org>
3782 PR c++/83667
3783 * method.c (make_alias_for): Copy DECL_CONTEXT.
3785 2018-01-03 Marek Polacek <polacek@redhat.com>
3787 PR c++/83592
3788 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3790 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3792 PR preprocessor/83602
3793 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3794 for builtin macros.
3796 PR c++/83634
3797 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3798 error_mark_node, return error_mark_node.
3800 Update copyright years.
3802 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3804 PR c++/83556
3805 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3806 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3807 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3808 to false and return.
3809 (replace_placeholders): Pass NULL instead of &pset as last argument
3810 to cp_walk_tree.
3812 2018-01-02 Nathan Sidwell <nathan@acm.org>
3814 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3815 lval var.
3816 \f
3817 Copyright (C) 2018 Free Software Foundation, Inc.
3819 Copying and distribution of this file, with or without modification,
3820 are permitted in any medium without royalty provided the copyright
3821 notice and this notice are preserved.