1 2018-08-08 Jakub Jelinek <jakub@redhat.com>
3 P0595R1 - is_constant_evaluated
4 * cp-tree.h (enum cp_built_in_function): New.
5 (maybe_constant_init): Add pretend_const_required argument.
6 * typeck2.c (store_init_value): Pass true as new argument to
8 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
9 for BUILT_IN_UNREACHABLE.
10 (struct constexpr_ctx): Add pretend_const_required field.
11 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
12 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
13 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
14 (cxx_eval_outermost_constant_expr): Add pretend_const_required
15 argument, initialize pretend_const_required field in ctx. If the
16 result is TREE_CONSTANT and non_constant_p, retry with
17 pretend_const_required false if it was true.
18 (is_sub_constant_expr): Initialize pretend_const_required_field in
20 (cxx_constant_value): Pass true as pretend_const_required to
21 cxx_eval_outermost_constant_expr.
22 (maybe_constant_value): Pass false as pretend_const_required to
23 cxx_eval_outermost_constant_expr.
24 (fold_non_dependent_expr): Likewise.
25 (maybe_constant_init_1): Add pretend_const_required argument, pass it
26 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
27 instead of false as strict to cxx_eval_outermost_constant_expr.
28 (maybe_constant_init): Add pretend_const_required argument, pass it
29 down to maybe_constant_init_1.
30 (cxx_constant_init): Pass true as pretend_const_required to
31 maybe_constant_init_1.
32 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
33 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
34 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
35 * decl.c: Include langhooks.h.
36 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
38 * tree.c (builtin_valid_in_constant_expr_p): Return true for
39 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
40 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
43 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
44 before tsubst_init, not after it.
47 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
48 NULL pointer set *non_constant_p to true.
49 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
50 set *non_constant_p to true and return t.
52 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
55 * decl.c (check_no_redeclaration_friend_default_args): New.
56 (duplicate_decls): Use the latter; also check that a friend
57 declaration specifying default arguments is a definition.
59 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
62 * name-lookup.c (check_local_shadow): Reject captures and parameters
65 2018-08-06 Marek Polacek <polacek@redhat.com>
68 * constexpr.c (cxx_eval_statement_list): Handle continue.
70 2018-08-03 David Malcolm <dmalcolm@redhat.com>
71 Jonathan Wakely <jwakely@redhat.com>
73 * decl.c: Include "gcc-rich-location.h".
74 (add_return_star_this_fixit): New function.
75 (finish_function): When warning about missing return statements in
76 functions returning non-void, add a "return *this;" fix-it hint for
79 2018-08-03 Jason Merrill <jason@redhat.com>
82 * class.c (build_base_path): Use currently_open_class.
84 2018-08-02 David Malcolm <dmalcolm@redhat.com>
86 * error.c (cxx_print_error_function): Duplicate "file" before
87 passing it to pp_set_prefix.
88 (cp_print_error_function): Use pp_take_prefix when saving the
91 2018-08-02 Richard Biener <rguenther@suse.de>
94 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
95 to the CLASSTYPE_AS_BASE.
97 2018-08-01 Martin Sebor <msebor@redhat.com>
99 PR tree-optimization/86650
100 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
101 TREE_BLOCK (t) from within percent_K_format to this callsite.
103 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
106 * class.c (note_name_declared_in_class): Use location_of in permerror
107 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
109 2018-07-31 Tom de Vries <tdevries@suse.de>
112 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
114 2018-07-31 Jakub Jelinek <jakub@redhat.com>
116 P1008R1 - prohibit aggregates with user-declared constructors
117 * class.c (check_bases_and_members): For C++2a set
118 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
119 type_has_user_provided_or_explicit_constructor.
121 2018-07-31 Martin Liska <mliska@suse.cz>
124 * parser.c (cp_parser_condition): Initialize non_constant_p
127 2018-07-28 David Malcolm <dmalcolm@redhat.com>
129 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
130 into alphabetical order, and add missing "%G" and "%K". Within
131 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
132 cases are in alphabetical order.
134 2018-07-25 Jakub Jelinek <jakub@redhat.com>
136 * cp-tree.h (enum cp_tree_index): Add
137 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
138 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
139 (abi_tag_identifier, aligned_identifier, begin_identifier,
140 end_identifier, get__identifier, gnu_identifier,
141 tuple_element_identifier, tuple_size_identifier, type_identifier,
142 value_identifier, fun_identifier, closure_identifier): Define.
143 * decl.c (initialize_predefined_identifiers): Initialize the above
145 (get_tuple_size): Use tuple_size_identifier instead of
146 get_identifier ("tuple_size") and value_identifier instead of
147 get_identifier ("value").
148 (get_tuple_element_type): Use tuple_element_identifier instead of
149 get_identifier ("tuple_element") and type_identifier instead of
150 get_identifier ("type").
151 (get_tuple_decomp_init): Use get__identifier instead of
152 get_identifier ("get").
153 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
154 get_identifier ("_FUN").
155 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
156 instead of get_identifier ("__closure").
157 (cp_parser_std_attribute): Use gnu_identifier instead of
158 get_identifier ("gnu").
159 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
160 instead of get_identifier ("aligned").
161 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
162 abi_tag_identifier instead of get_identifier ("abi_tag").
165 * cp-tree.h (enum cp_tree_index): Add
166 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
167 (for_range__identifier, for_begin__identifier, for_end__identifier,
168 for_range_identifier, for_begin_identifier, for_end_identifier):
170 * decl.c (initialize_predefined_identifiers): Initialize
171 for_{range,begin,end}{,_}_identifier.
172 * parser.c (build_range_temp): Use for_range__identifier instead of
173 get_identifier ("__for_range").
174 (cp_convert_range_for): Use for_begin__identifier and
175 for_end__identifier instead of get_identifier ("__for_begin") and
176 get_identifier ("__for_end").
177 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
178 local symbols to "__for_{range,begin,end}".
180 2018-07-23 Jakub Jelinek <jakub@redhat.com>
183 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
184 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
185 or warn_nonnull_compare.
187 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
189 Revert fix for c++/59480 (and testsuite followup)
191 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
194 * decl.c (check_no_redeclaration_friend_default_args): New.
195 (duplicate_decls): Use the latter; also check that a friend
196 declaration specifying default arguments is a definition.
198 2018-07-18 Jakub Jelinek <jakub@redhat.com>
201 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
202 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
204 2018-07-18 Marek Polacek <polacek@redhat.com>
206 PR c++/86190 - bogus -Wsign-conversion warning
207 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
210 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
213 * decl.c (check_no_redeclaration_friend_default_args): New.
214 (duplicate_decls): Use the latter; also check that a friend
215 declaration specifying default arguments is a definition.
217 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
219 * class.c (note_name_declared_in_class): Prefer permerror + inform
220 to a pair of permerrors; use DECL_SOURCE_LOCATION.
222 2018-07-18 Richard Biener <rguenther@suse.de>
225 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
226 start_static_storage_duration_function sets current_function_decl.
228 2018-07-17 Jason Merrill <jason@redhat.com>
230 PR c++/86480 - nested variadic lambda and constexpr if.
231 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
233 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
234 cp_unevaluated_operand.
235 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
237 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
239 * class.c (resolve_address_of_overloaded_function): Don't emit an
240 inform if the matching permerror returns false.
241 * pt.c (check_specialization_namespace): Likewise.
243 2018-07-16 Jakub Jelinek <jakub@redhat.com>
247 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
248 in TREE_USED flag from stmt to h->to.
250 2018-07-13 Nathan Sidwell <nathan@acm.org>
253 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
254 contexts that are classes.
255 * parser.c (cp_parser_template_id): Combine entering_scope decl &
258 2018-07-12 Jakub Jelinek <jakub@redhat.com>
260 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
261 type here, instead add "omp declare target implicit" attribute. Add
262 that attribute instead of "omp declare target" also when
263 processing_template_decl.
264 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
265 and before calling cp_omp_mappable_type call complete_type.
267 2018-07-10 Jakub Jelinek <jakub@redhat.com>
270 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
274 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
275 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
276 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
277 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
278 TREE_LIST for both the original class iterator and the "last" helper
281 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
283 * decl.c (grokdeclarator): Use rich_location::add_range in three
284 more places; include gcc-rich-location.h.
286 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
288 * decl.c (build_enumerator): Change overflow type to overflow_type.
289 * init.c (build_new_1): Same.
291 2018-07-05 Nathan Sidwell <nathan@acm.org>
293 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
294 NO_IMPLICIT_EXTERN_C.
295 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
297 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
300 * method.c (is_trivially_xible): Return false
301 if is_xible_helper returns a NULL_TREE.
303 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
305 * decl.c (min_location): New.
306 (smallest_type_quals_location): Use the latter.
307 (check_concept_fn): Use DECL_SOURCE_LOCATION.
308 (grokdeclarator): Use accurate locations in a number of error
309 messages involving ds_thread, ds_storage_class, ds_virtual,
310 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
312 2018-07-03 Marek Polacek <polacek@redhat.com>
315 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
317 2018-07-03 Jason Merrill <jason@redhat.com>
319 PR c++/86378 - functional cast in noexcept-specifier.
320 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
322 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
324 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
325 in error message about __thread and thread_local at the same time.
327 2018-06-29 Marek Polacek <polacek@redhat.com>
330 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
332 2018-06-28 David Malcolm <dmalcolm@redhat.com>
334 * parser.c (cp_parser_error_1): After issuing a conflict marker
335 error, consume tokens until the end of the source line.
337 2018-06-28 Jason Merrill <jason@redhat.com>
339 PR c++/86342 - -Wdeprecated-copy and system headers.
340 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
343 2018-06-27 David Malcolm <dmalcolm@redhat.com>
346 * name-lookup.c (consider_binding_level): Filter out names that
347 match anon_aggrname_p.
349 2018-06-27 Jason Merrill <jason@redhat.com>
351 * name-lookup.c (do_pushtag): If we skip a class level, also skip
354 2018-06-26 Jason Merrill <jason@redhat.com>
356 PR c++/86320 - memory-hog with std::array of pair
357 * typeck2.c (process_init_constructor_array): Only compute a
358 constant initializer once.
360 PR c++/80290 - memory-hog with std::pair.
361 * pt.c (fn_type_unification): Add convs parameter.
362 (check_non_deducible_conversion): Remember conversion.
363 (check_non_deducible_conversions): New. Do checks here.
364 (type_unification_real): Not here. Remove flags parm.
365 * call.c (add_function_candidate): Make convs a parameter.
366 Don't recalculate the conversion if it's already set.
367 (add_template_candidate_real): Allocate convs here.
368 (good_conversion, conv_flags): New.
370 2018-06-26 Jakub Jelinek <jakub@redhat.com>
373 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
374 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
376 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
378 * decl.c (bad_specifiers): Add const location_t* parameter and
379 use locations in error messages about 'inline' and 'virtual'.
380 (mark_inline_variable): Add location_t parameter and use it in
381 error_at and pedwarn messages.
382 (grokdeclarator): Use declspecs->locations[ds_constexpr],
383 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
384 declspecs->locations[ds_inline] in many error messages; adjust
385 bad_specifiers and mark_inline_variable calls.
386 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
388 2018-06-22 Jason Merrill <jason@redhat.com>
390 PR c++/86219 - ICE with erroneous initializer in template.
391 * constexpr.c (fold_non_dependent_expr): Add complain parm.
392 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
394 * call.c (build_cxx_call): Don't mess with builtins in a template.
395 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
396 produce a constant value, go back to the uninstantiated form.
398 Avoid taking the address of something just because it's in parens.
399 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
400 (cxx_fold_indirect_ref): Use it.
401 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
402 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
403 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
404 static_cast to reference type.
405 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
407 2018-06-21 Jason Merrill <jason@redhat.com>
409 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
411 * name-lookup.c (do_push_to_top_level): Don't allocate
413 (do_pop_from_top_level): Release current_lang_base.
415 Let -fmem-report see callers of cxx_make_type.
416 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
417 (make_class_type): Likewise.
418 (cxx_make_type_hook): New.
419 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
421 2018-06-20 Nathan Sidwell <nathan@acm.org>
424 * friend.c (add_friend): Keep lookup sets of tempate sets.
426 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
428 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
429 tidy handling of a null location_t argument; use proper location
430 information in a few additional error messages.
431 (grokdeclarator): Update calls.
433 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
434 Thomas Schwinge <thomas@codesourcery.com>
435 Cesar Philippidis <cesar@codesourcery.com>
437 * parser.c (cp_parser_omp_clause_name): Add support for finalize
438 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
439 to their non-present_or_* counterparts. Make 'self' an alias to
440 PRAGMA_OACC_CLAUSE_HOST.
441 (cp_parser_oacc_data_clause): Update GOMP mappings for
442 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
443 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
444 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
445 Remove support for present_or_* clauses.
446 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
447 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
448 (OACC_DECLARE_CLAUSE_MASK): Likewise.
449 (OACC_DATA_CLAUSE_MASK): Likewise.
450 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
451 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
452 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
453 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
454 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
455 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
457 2018-06-20 Marek Polacek <polacek@redhat.com>
460 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
461 (fold_simple_1): Likewise.
462 * error.c (dump_expr): Likewise.
464 2018-06-20 Nathan Sidwell <nathan@acm.org>
467 * cp-tree.h (lookup_keep): Drop KEEP parm.
468 (lookup_list_keep): Delete.
469 (maybe_get_fns): Declare.
470 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
471 (cp_parser_template_id): Not here ...
472 * decl.c (cp_finish_decl): ... nor here ...
473 * init.c (build_raw_new_expr): ... nor here ...
474 * pt.c (process_template_parm): ... nor here ...
475 * semantics.c (perform_koenig_lookup): Call lookup_keep.
476 (finish_call_expr): Not here.
477 * tree.c (ovl_cache): Delete.
478 (ovl_make, ovl_copy): No cache.
479 (lookup_keep): Always keep.
480 (lookup_list_keep): Delete.
481 (maybe_get_fns): New, broken out of ...
482 (get_fns): ... here. Call it.
483 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
484 (build_min_nt_call_vec): Likewise.
486 2018-06-19 Jason Merrill <jason@redhat.com>
488 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
489 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
491 PR c++/86182 - ICE with anonymous union passed to template.
492 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
493 used to declare a named variable.
495 2018-06-18 Jason Merrill <jason@redhat.com>
497 * tree.c (cp_expr_location): New.
498 * cp-tree.h (cp_expr_loc_or_loc): New.
499 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
500 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
501 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
503 * parser.c (cp_parser_lambda_expression): Use a range for
504 LAMBDA_EXPR_LOCATION.
506 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
507 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
510 PR c++/81060 - ICE with unexpanded parameter pack.
511 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
512 * decl.c (grokdeclarator): Call it for qualifying_scope.
514 PR c++/86171 - ICE with recursive alias instantiation.
515 * pt.c (tsubst_decl): Handle recursive alias instantiation.
517 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
519 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
520 in errors about redefined default arguments; tidy.
522 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
524 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
525 * cp-gimplify.c (cp_fold): Likewise.
527 2018-06-15 Jason Merrill <jason@redhat.com>
529 PR c++/86147 - wrong capture for template argument.
530 * expr.c (mark_use): Look through NOP_EXPR.
532 * name-lookup.c (do_pushtag): Don't look through complete types, but
533 don't add to them either. Get context from current_binding_level.
534 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
536 * decl.c (start_enum): Do compare dependent underlying type.
538 PR c++/82882 - ICE with lambda in template default argument.
539 * lambda.c (record_null_lambda_scope): New.
540 * pt.c (tsubst_lambda_expr): Use it.
541 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
542 function that isn't open.
544 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
546 2018-06-14 Marek Polacek <polacek@redhat.com>
549 * decl2.c (cp_check_const_attributes): Skip trees that are not
552 2018-06-14 Jakub Jelinek <jakub@redhat.com>
554 P0624R2 - Default constructible and assignable stateless lambdas
555 * method.c (synthesized_method_walk): For C++2a don't mark
556 sfk_constructor or sfk_copy_assignment as deleted if lambda has
559 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
561 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
562 OPT_Wshadow warning_at.
563 (grokfndecl): Consistently use the location_t argument in
564 literal operator diagnostic messages.
565 (grokdeclarator): Use declspecs->locations[ds_storage_class]
567 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
570 2018-06-13 Jason Merrill <jason@redhat.com>
572 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
573 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
576 PR c++/86094 - wrong code with defaulted move ctor.
577 * class.c (classtype_has_non_deleted_move_ctor): New.
578 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
581 2018-06-12 Jason Merrill <jason@redhat.com>
583 PR c++/86098 - ICE with template placeholder for TTP.
584 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
585 CLASS_PLACEHOLDER_TEMPLATE.
587 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
589 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
590 parameter and adjust error_at calls.
591 * decl.c (grok_op_properties): Adjust calls.
592 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
594 2018-06-12 Marek Polacek <polacek@redhat.com>
596 Core issue 1331 - const mismatch with defaulted copy constructor
597 * class.c (check_bases_and_members): When checking a defaulted
598 function, mark it as deleted rather than giving an error.
600 2018-06-11 Jason Merrill <jason@redhat.com>
602 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
603 * class.c (maybe_warn_about_overly_private_class): Handle inherited
606 PR c++/85963 - -Wunused-but-set with ?: in template.
607 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
609 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
611 * decl.c (grok_op_properties): Consistently use the location
612 of the decl; remove special casing of POSTINCREMENT_EXPR and
613 POSTDECREMENT_EXPR wrt default arguments.
615 2018-06-05 Jason Merrill <jason@redhat.com>
617 * constexpr.c (cxx_eval_binary_expression): Special case comparison
618 of pointers to members of the same union.
620 2018-06-11 Jason Merrill <jason@redhat.com>
622 PR c++/86094 - wrong code with defaulted move ctor.
623 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
625 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
627 * decl.c (grokfndecl): Use the location_t argument in two more places.
629 2018-06-06 Marek Polacek <polacek@redhat.com>
632 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
633 deduction from the list elements.
634 (type_unification_real): Check convertibility of list elements.
636 2018-06-06 Jason Merrill <jason@redhat.com>
638 PR c++/86060 - ICE on range for with -std=c++98.
639 * parser.c (cp_parser_init_statement): Don't clobber *decl after
642 PR c++/85710 - ICE with -Wmemset-elt-size.
643 * semantics.c (finish_call_expr): Call warn_for_memset here.
644 * parser.c (cp_parser_postfix_expression): Not here.
645 (literal_integer_zerop): No longer static.
646 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
648 2018-06-05 Marek Polacek <polacek@redhat.com>
651 * tree.c (cp_tree_equal): Handle USING_DECL.
653 2018-06-05 Jason Merrill <jason@redhat.com>
655 PR c++/85731 - wrong error with qualified-id in template.
656 * semantics.c (finish_qualified_id_expr): build_qualified_name
657 for unbound names in the current class.
659 2018-06-04 Jason Merrill <jason@redhat.com>
661 PR c++/61806 - missed SFINAE with partial specialization.
662 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
663 parameter to constructor.
664 * pt.c (instantiate_class_template_1): Enable access checking
665 before call to most_specialized_partial_spec.
667 PR c++/85765 - SFINAE and non-type default template arg.
668 * pt.c (type_unification_real): Do full semantic processing if
669 substituting a partial args list replaces all template parms.
671 2018-06-03 Jason Merrill <jason@redhat.com>
673 PR c++/85739 - ICE with pointer to member template parm.
674 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
676 2018-06-02 Jason Merrill <jason@redhat.com>
678 PR c++/85761 - ICE with ill-formed use of const outer variable.
679 * expr.c (mark_use): Handle location wrappers.
681 2018-06-01 Jason Merrill <jason@redhat.com>
683 PR c++/85764 - bogus 'this' not captured error.
684 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
685 (nonlambda_method_basetype): Handle NSDMI.
687 CWG 1581: When are constexpr member functions defined?
688 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
689 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
691 PR c++/58281 - explicit instantiation of constexpr
692 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
694 * pt.c (instantiate_decl): Any defaulted function is defined.
696 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
699 * call.c (resolve_args): Use location of expression, not current input
702 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
704 Do not warn about zero-as-null when NULL is used.
705 * call.c (conversion_null_warnings): Check for pointer
706 types converted from zero constants.
707 (convert_like_real): Add a warning sentinel at the end.
708 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
711 2018-05-30 Jason Merrill <jason@redhat.com>
713 PR c++/85807 - ICE with call in template NSDMI.
714 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
715 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
717 PR c++/85873 - constant initializer_list array not in .rodata.
718 * tree.c (build_target_expr): Set TREE_READONLY.
719 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
721 * parser.c (cp_parser_check_condition_declarator): Handle
724 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
726 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
727 of using it in dead store.
729 2018-05-29 Jason Merrill <jason@redhat.com>
731 PR c++/67445 - returning temporary initializer_list.
732 PR c++/67711 - assigning from temporary initializer_list.
733 PR c++/48562 - new initializer_list.
734 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
735 about returning local initializer_list.
736 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
737 * call.c (build_over_call): Warn about assignment from temporary
739 * init.c (build_new_1): Warn about 'new std::initializer_list'.
740 (find_list_begin, maybe_warn_list_ctor): New.
741 (perform_member_init): Use maybe_warn_list_ctor.
743 2018-05-29 Marek Polacek <polacek@redhat.com>
746 * init.c (build_new): Handle deducing a class with new
747 with more than one argument.
749 2018-05-29 Jakub Jelinek <jakub@redhat.com>
752 * init.c (build_aggr_init): For structured binding initialized from
753 array call mark_rvalue_use on the initializer.
755 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
757 * decl2.c (start_static_storage_duration_function): Use
758 splay_tree_delete_pointers.
760 2018-05-25 Jason Merrill <jason@redhat.com>
762 PR c++/85815 - reference to member of enclosing template.
763 * search.c (lookup_base): Use currently_open_class.
764 (lookup_member): Use it regardless of -fconcepts.
765 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
767 CWG 616, 1213 - value category of subobject references.
768 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
770 2018-05-24 Jason Merrill <jason@redhat.com>
772 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
773 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
776 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
778 Pedwarn on a non-standard position of a C++ attribute.
779 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
780 after the namespace name.
782 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
784 * cp-tree.h (INDIRECT_TYPE_P): New.
785 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
786 joust): Use it instead of POINTER_TYPE_P.
787 * class.c (update_vtable_entry_for_fn, find_flexarrays,
788 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
789 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
790 * cxx_eval_increment_expression, potential_constant_expression_1):
792 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
793 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
794 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
795 cp_ubsan_maybe_instrument_downcast): Likewise.
796 * cvt.c (cp_convert_to_pointer, ocp_convert,
797 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
798 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
799 pp_cxx_offsetof_expression_1): Likewise.
800 * decl.c (grokparms, static_fn_type): Likewise.
801 * decl2.c (grokbitfield): Likewise.
802 * error.c (dump_expr): Likewise.
803 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
804 * init.c (warn_placement_new_too_small): Likewise.
805 * lambda.c (build_capture_proxy, add_capture): Likewise.
806 * parser.c (cp_parser_omp_for_loop): Likewise.
807 * pt.c (convert_nontype_argument, fn_type_unification,
808 uses_deducible_template_parms, check_cv_quals_for_unify,
809 dependent_type_p_r): Likewise.
810 * search.c (check_final_overrider): Likewise.
811 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
812 finish_omp_for): Likewise.
813 * tree.c (cp_build_qualified_type_real): Likewise.
814 * typeck.c (build_class_member_access_expr,
815 finish_class_member_access_expr, build_x_indirect_ref,
816 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
819 2018-05-24 Jason Merrill <jason@redhat.com>
821 PR c++/85864 - literal template and default template arg.
822 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
824 2018-05-24 Marek Polacek <polacek@redhat.com>
827 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
828 variable for its result. Fix a condition.
829 (build_new): Use fold_non_dependent_expr. Tweak a condition.
831 2018-05-23 Jason Merrill <jason@redhat.com>
833 Fix cast to rvalue reference from prvalue.
834 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
835 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
836 non-class type. Handle xvalue argument.
837 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
839 * semantics.c (finish_compound_literal): Do direct-initialization,
840 not cast, to initialize a reference.
842 CWG 616, 1213 - value category of subobject references.
843 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
845 * typeck2.c (build_m_component_ref): Likewise.
846 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
847 distinction between temporary and xvalue.
849 2018-05-23 Marek Polacek <polacek@redhat.com>
851 Implement P0614R1, Range-based for statements with initializer.
852 * parser.c (cp_parser_range_based_for_with_init_p): New.
853 (cp_parser_init_statement): Use it. Parse the optional init-statement
854 for a range-based for loop.
855 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
857 2018-05-22 Jason Merrill <jason@redhat.com>
859 PR c++/81420 - not extending temporary lifetime.
860 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
861 * class.c (build_base_path): Avoid redundant move of an rvalue.
863 PR c++/85866 - error with .* in default template arg.
864 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
866 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
868 * parser.c (cp_parser_parameter_declaration_list): Remove
870 (cp_parser_parameter_declaration_clause): Adjust.
871 (cp_parser_cache_defarg): Likewise.
873 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
876 * parser.c (cp_parser_maybe_commit_to_declaration,
877 cp_parser_check_condition_declarator): New.
878 (cp_parser_simple_declaration): Use the first above.
879 (cp_parser_condition): Use both the above; enforce
880 [stmt.stmt]/2 about the declarator not specifying
881 a function or an array; improve error-recovery.
883 2018-05-20 Jason Merrill <jason@redhat.com>
885 PR libstdc++/85843 - warning in logic_error copy constructor.
886 * class.c (type_has_user_nondefault_constructor): Check for a
887 user-provided ctor, not user-declared.
889 2018-05-19 Jason Merrill <jason@redhat.com>
891 * pt.c (tsubst_pack_expansion): Sorry rather than abort
892 on __integer_pack as subexpression of pattern.
894 2018-05-18 Jason Merrill <jason@redhat.com>
896 PR c++/58407 - deprecated implicit copy ops.
897 * call.c (build_over_call): Warn about deprecated trivial fns.
898 * class.c (classtype_has_user_copy_or_dtor): New.
899 (type_build_ctor_call): Check TREE_DEPRECATED.
900 (type_build_dtor_call): Likewise.
901 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
902 Add checks. Return bool. Handle -Wdeprecated-copy.
904 * decl.c (grokdeclarator): Remove redundant checks.
905 * typeck2.c (build_functional_cast): Likewise.
906 * method.c (lazily_declare_fn): Mark deprecated copy ops.
907 * init.c (build_aggr_init): Only set TREE_USED if there are
910 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
913 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
916 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
918 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
919 (potential_constant_expression_1): Likewise.
921 2018-05-16 Marek Polacek <polacek@redhat.com>
924 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
925 * tree.c (bot_manip): Call set_flags_from_callee for
928 2018-05-15 Jason Merrill <jason@redhat.com>
930 * cp-tree.h (cp_expr): Remove copy constructor.
931 * mangle.c (struct releasing_vec): Declare copy constructor.
933 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
935 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
936 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
937 is a throw-expression.
939 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
941 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
942 (FOR_EACH_CLONE): Update.
943 * decl.c (grokdeclarator): Use it.
944 * decl2.c (vague_linkage_p): Likewise.
945 * mangle.c (mangle_decl): Likewise.
946 * method.c (lazily_declare_fn): Likewise.
947 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
948 * repo.c (repo_emit_p): Likewise.
949 * tree.c (decl_linkage): Likewise.
951 2018-05-14 Jason Merrill <jason@redhat.com>
953 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
954 * tree.c (build_cp_fntype_variant): New.
955 (build_ref_qualified_type, build_exception_variant)
956 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
957 (cxx_type_hash_eq, cp_check_qualified_type): Check
958 TYPE_HAS_LATE_RETURN_TYPE.
959 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
960 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
961 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
962 (adjust_clone_args): Likewise.
963 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
964 build_cp_fntype_variant.
965 (grokdeclarator): Pass late_return_type_p to grokfndecl.
966 (check_function_type): Use cxx_copy_lang_qualifiers.
967 (static_fn_type): Use cxx_copy_lang_qualifiers.
968 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
969 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
970 (change_return_type): Use cxx_copy_lang_qualifiers.
971 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
972 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
973 return type on the declarator like a normal trailing return type.
974 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
975 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
976 * typeck.c (merge_types): Use build_cp_fntype_variant.
978 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
980 * cp-tree.h (TYPE_REF_P): New.
981 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
982 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
983 direct_reference_binding, reference_binding, implicit_conversion,
984 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
985 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
986 build_over_call, perform_implicit_conversion_flags,
987 extend_ref_init_temps, type_has_extended_temps): Use it.
988 * class.c (one_inheriting_sig, check_field_decls,
989 check_bases_and_members, find_flexarrays, finish_struct,
990 fixed_type_or_null): Likewise.
991 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
992 non_const_var_error, cxx_eval_constant_expression,
993 potential_constant_expression_1): Likewise.
994 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
995 cp_genericize_r, cxx_omp_privatize_by_reference,
996 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
997 cp_fold_maybe_rvalue): Likewise.
998 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
999 * cvt.c (build_up_reference, convert_to_reference,
1000 convert_from_reference, convert_to_void, noexcept_conv_p,
1001 fnptr_conv_p): Likewise.
1002 * decl.c (poplevel, check_for_uninitialized_const_var,
1003 check_initializer, initialize_local_var, cp_finish_decl,
1004 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1005 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1006 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1007 decl_maybe_constant_var_p): Likewise.
1008 * error.c (dump_type_prefix, dump_expr): Likewise.
1009 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1010 is_admissible_throw_operand_or_catch_parameter): Likewise.
1011 * expr.c (mark_use): Likewise.
1012 * init.c (build_zero_init_1, build_value_init_noctor,
1013 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1014 build_new, build_delete): Likewise.
1015 * lambda.c (build_lambda_object): Likewise.
1016 * mangle.c (write_expression, write_template_arg): Likewise.
1017 * method.c (forward_parm, do_build_copy_constructor,
1018 do_build_copy_assign, build_stub_object, constructible_expr,
1019 walk_field_subobs): Likewise.
1020 * parser.c (cp_parser_omp_for_loop_init,
1021 cp_parser_omp_declare_reduction_exprs,
1022 cp_parser_omp_declare_reduction): Likewise.
1023 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1024 convert_template_argument, tsubst_pack_expansion,
1025 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1026 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1027 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1028 value_dependent_expression_p, build_deduction_guide): Likewise.
1029 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1030 finish_compound_literal, omp_privatize_field,
1031 handle_omp_array_sections_1, handle_omp_array_sections,
1032 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1033 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1034 finish_omp_clauses, finish_decltype_type, capture_decltype,
1035 finish_builtin_launder): Likewise.
1036 * tree.c (lvalue_kind, cp_build_reference_type, move,
1037 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1038 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1039 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1040 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1041 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1042 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1043 convert_for_initialization,
1044 maybe_warn_about_returning_address_of_local, check_return_expr,
1045 cp_type_quals, casts_away_constness, non_reference): Likewise.
1046 * typeck2.c (cxx_readonly_error, store_init_value,
1047 process_init_constructor_record, build_x_arrow, build_functional_cast,
1048 add_exception_specifier): Likewise.
1050 2018-05-14 Jason Merrill <jason@redhat.com>
1052 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1053 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1055 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1058 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1059 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1060 cxx_omp_predetermined_sharing_1. Rename old function to ...
1061 (cxx_omp_predetermined_sharing_1): ... this.
1062 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1063 instead of cxx_omp_predetermined_sharing.
1065 2018-05-10 Jason Merrill <jason@redhat.com>
1067 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1068 (check_static_variable_definition): Allow auto.
1069 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1071 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1072 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1074 Core issue 2310 - conversion to base of incomplete type.
1075 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1077 CWG 2267 - list-initialization of reference temporary
1078 * call.c (reference_binding): List-initializing a reference
1079 temporary is copy-list-initialization.
1081 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1083 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1084 instantiation in template context.
1086 * class.c (vbase_has_user_provided_move_assign): Use
1089 * lambda.c (lambda_expr_this_capture): Improve logic.
1091 * decl.c (make_typename_type): s/parameters/arguments/.
1092 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1093 * pt.c (make_pack_expansion): Correct error message.
1095 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1098 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1099 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1102 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1105 * decl2.c (adjust_var_decl_tls_model): New static function.
1106 (comdat_linkage): Call it on a variable.
1107 (maybe_make_one_only): Likewise.
1109 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1113 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1116 * parser.c (cp_parser_parameter_declaration_list): When the
1117 entire parameter-declaration-list is erroneous maybe call
1118 abort_fully_implicit_template.
1120 2018-05-08 Jason Merrill <jason@redhat.com>
1122 PR c++/85706 - class deduction under decltype
1123 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1124 *walk_subtrees whether or not we walked into the operand.
1125 (type_uses_auto): Only look at deduced contexts.
1127 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1130 * parser.c (cp_parser_parameter_declaration_list): When the
1131 entire parameter-declaration-list is erroneous maybe call
1132 abort_fully_implicit_template.
1134 2018-05-08 Marek Polacek <polacek@redhat.com>
1137 * semantics.c (finish_if_stmt_cond): See through typedefs.
1139 2018-05-07 Jason Merrill <jason@redhat.com>
1141 PR c++/85646 - lambda visibility.
1142 * decl2.c (determine_visibility): Don't mess with template arguments
1143 from the containing scope.
1144 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1147 2018-05-07 Nathan Sidwell <nathan@acm.org>
1149 Remove fno-for-scope
1150 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1151 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1152 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1153 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1154 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1156 * name-lookup.h (struct cp_binding_level): Remove
1157 dead_vars_from_for field.
1158 * cp-lang.c (cp_init_ts): Delete.
1159 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1160 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1161 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1162 (init_shadowed_var_for_decl): Delete.
1163 * decl.c (poplevel): Remove shadowed for var handling.
1164 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1165 * name-lookup.c (find_local_binding): Remove shadowed for var
1167 (check_local_shadow): Likewise.
1168 (check_for_out_of_scope_variable): Delete.
1169 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1171 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1172 * semantics.c (begin_for_scope): Always have a scope.
1173 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1174 (begin_range_for_stmt, finish_id_expression): Likewise.
1176 2018-05-07 Jason Merrill <jason@redhat.com>
1178 PR c++/85618 - ICE with initialized VLA.
1179 * tree.c (vla_type_p): New.
1180 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1181 rather than array_of_runtime_bound_p.
1183 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1185 * cvt.c (ocp_convert): Early handle the special case of a
1186 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1188 2018-05-03 Jason Merrill <jason@redhat.com>
1190 PR c++/85600 - virtual delete failure.
1191 * init.c (build_delete): Always save_expr when deleting.
1193 2018-05-03 Nathan Sidwell <nathan@acm.org>
1195 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1196 * name-lookup.c (do_pushdecl): Likewise.
1198 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1199 Jason Merrill <jason@redhat.com>
1202 * name-lookup.c (check_local_shadow): Don't handle static old
1203 declarations in the block handling locals shadowing locals.
1205 2018-05-01 Jason Merrill <jason@redhat.com>
1207 PR c++/85587 - error with scoped enum in template.
1208 * semantics.c (finish_qualified_id_expr): Don't return an
1209 unqualified IDENTIFIER_NODE.
1211 2018-04-30 Jason Merrill <jason@redhat.com>
1213 PR c++/85580 - extern "C" and local variables
1214 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1216 PR c++/84701 - unsigned typeof.
1217 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1218 of long/short/signed/unsigned.
1220 PR c++/85305 - pack in lambda init-capture.
1221 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1222 check_for_bare_parameter_packs in a subexpression.
1223 (cp_parser_lambda_introducer): Use it.
1225 PR c++/61982 - dead stores to destroyed objects.
1226 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1227 (build_over_call, build_special_member_call): Use it.
1228 * cp-tree.h: Declare it.
1229 * init.c (build_delete): Remove trivial path.
1231 * init.c (build_dtor_call): Use build_special_member_call.
1232 (build_delete): Remove redundant uses of save_addr.
1234 * decl.c (build_clobber_this): Use build_clobber.
1236 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1239 * init.c (build_zero_init_1): For zero initialization of
1240 NULLPTR_TYPE_P type use build_int_cst directly.
1242 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1245 * name-lookup.c (consider_binding_level): Skip compiler-generated
1247 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1248 nested if statements into a series of rejection tests. Reject
1249 lambda-ignored entities as suggestions.
1251 2018-04-27 Jason Merrill <jason@redhat.com>
1253 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1254 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1256 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1259 * decl.c (grokdeclarator): Clear friendp upon definition in local
1260 class definition error.
1262 2018-04-27 Jason Merrill <jason@redhat.com>
1264 PR c++/85545 - ICE with noexcept PMF conversion.
1265 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1267 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1269 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1271 2018-04-27 Nathan Sidwell <nathan@acm.org>
1273 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1275 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1276 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1277 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1278 (dump, print_other_binding_stacks): Remove declarations.
1279 * name-lookup.c (print_other_binding_stack): Make static.
1280 * pt.c (build_template_decl): Make static.
1282 2018-04-26 Jason Merrill <jason@redhat.com>
1284 PR c++/85545 - ICE with noexcept PMF conversion.
1285 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1287 2018-04-25 Nathan Sidwell <nathan@acm.org>
1291 * cp-tree.h (REINTERPRET_CAST_P): New.
1292 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1293 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1294 for non-trivial PTRMEM_CST cases.
1295 * typeck.c (build_nop_reinterpret): New.
1296 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1297 NOP_EXPRs returned by cp_convert.
1299 2018-04-23 Jason Merrill <jason@redhat.com>
1301 PR c++/69560 - wrong alignof(double) on x86.
1302 CWG 1879 - Inadequate definition of alignment requirement.
1303 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1304 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1305 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1306 (cxx_alignof_expr): Pass it.
1307 * parser.c (cp_parser_unary_expression): Pass it.
1308 * pt.c (tsubst_copy): Copy it.
1309 (tsubst_copy_and_build): Pass it.
1310 * decl.c (fold_sizeof_expr): Pass it.
1312 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1313 Jason Merrill <jason@redhat.com>
1315 PR c++/85470 - wrong error with static data member.
1316 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1317 * typeck2.c (store_init_value): Likewise.
1319 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1322 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1323 change refcount member from unsigned char to unsigned short,
1324 add refcount_infinity static data member, adjust comments.
1325 * pt.c (tinst_level::refcount_infinity): Define.
1326 (inc_refcount_use): Remove assert, don't increment if refcount
1327 is already refcount_infinity, adjust comment.
1328 (dec_refcount_use): Remove assert, don't decrement if refcount
1329 is refcount_infinity, adjust comment.
1330 (push_tinst_level_loc): Formatting fix.
1332 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1335 * pt.c (lookup_template_class_1): Check pushtag return value for
1338 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1341 * cp-tree.h (tinst_level::free): Fix whitespace.
1343 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1346 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1347 for error_mark_node.
1349 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1352 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1353 tricks from here to ...
1354 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1355 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1357 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1360 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1361 targs. Add private split_list_p, tree_list_p, and not_list_p
1362 inline const predicates; to_list private member function
1363 declaration; free public member function declaration; list_p,
1364 get_node and maybe_get_node accessors, and refcount data
1365 member. Narrow errors to unsigned short.
1366 * error.c (print_instantiation_full_context): Use new
1368 (print_instantiation_partial_context_line): Likewise. Drop
1369 const from tinst_level-typed parameter.
1370 * mangle.c (mangle_decl_string): Likewise.
1371 * pt.c (freelist): New template class.
1372 (tree_list_freelist_head): New var.
1373 (tree_list_freelist): New fn, along with specializations.
1374 (tinst_level_freelist_head): New var.
1375 (pending_template_freelist_head): Likewise.
1376 (tinst_level_freelist, pending_template_freelist): New fns.
1377 (tinst_level::to_list, tinst_level::free): Define.
1378 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1379 (set_refcount_ptr): New template fn.
1380 (add_pending_template): Adjust for refcounting, freelists and
1382 (neglectable_inst_p): Take a NULL d as a non-DECL.
1383 (limit_bad_template_recursion): Use new accessors.
1384 (push_tinst_level): New overload to create the list.
1385 (push_tinst_level_loc): Make it static, split decl into two
1386 args, adjust tests and initialization to cope with split
1387 lists, use freelist, adjust for refcounting.
1388 (push_tinst_level_loc): New wrapper with the old interface.
1389 (pop_tinst_level): Adjust for refcounting.
1390 (record_last_problematic_instantiation): Likewise.
1391 (reopen_tinst_level): Likewise. Use new accessors.
1392 (instantiate_alias_template): Adjust for split list.
1393 (fn_type_unification): Likewise.
1394 (get_partial_spec_bindings): Likewise.
1395 (instantiate_pending_templates): Use new accessors. Adjust
1396 for refcount. Release pending_template to freelist.
1397 (instantiating_current_function_p): Use new accessors.
1399 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1402 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1403 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1404 if we've seen errors.
1406 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1409 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1410 checking that the use is indeed before the definition.
1411 (macro_use_before_def::macro_use_before_def): Make private.
1412 (macro_use_before_def::~macro_use_before_def): Make private. Move
1413 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1414 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1415 than using new directly.
1417 2018-04-12 Jason Merrill <jason@redhat.com>
1419 PR c++/85356 - ICE with pointer to member function.
1420 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1421 flag_noexcept_type. Build the new spec within the function context.
1422 * except.c (build_noexcept_spec): Do get constant value in templates
1423 if flag_noexcept_type.
1424 * decl.c (check_redeclaration_exception_specification): Don't
1425 instantiate noexcept on a dependent declaration.
1427 2018-04-12 Marek Polacek <polacek@redhat.com>
1430 * constexpr.c (reduced_constant_expression_p): Return false for null
1433 2018-04-11 Marek Polacek <polacek@redhat.com>
1436 * constexpr.c (potential_constant_expression_1): Consider conversions
1437 from classes to literal types potentially constant.
1439 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1442 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1443 the type like TYPE_PTR_OR_PTRMEM_P.
1445 2018-04-10 Jason Merrill <jason@redhat.com>
1447 PR debug/65821 - wrong location for main().
1448 * call.c (clear_location_r, convert_default_arg): Revert.
1449 * tree.c (break_out_target_exprs): Add clear_location parm.
1450 (struct bot_data): New.
1451 (bot_manip): Clear location if requested.
1452 * init.c (get_nsdmi): Pass clear_location.
1454 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1457 * call.c (get_fndecl_argument_location): Make non-static.
1458 * cp-tree.h (get_fndecl_argument_location): New decl.
1459 * typeck.c (convert_for_assignment): When complaining due to
1460 conversions for an argument, show the location of the parameter
1463 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1465 PR c++/85312 - P0962 cleanup
1466 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1469 2018-04-10 Jason Merrill <jason@redhat.com>
1471 PR debug/65821 - wrong location for main().
1472 * call.c (clear_location_r): New.
1473 (convert_default_arg): Use it.
1474 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1476 PR c++/85285 - ICE with flexible array after substitution.
1477 * pt.c (instantiate_class_template_1): Check for flexible array in
1480 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1483 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1484 issue a pedwarn and defer trying to do bindings.
1486 2018-04-09 Jason Merrill <jason@redhat.com>
1488 PR c++/85279 - dump_expr doesn't understand decltype.
1489 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1491 PR c++/85262 - ICE with redundant qualification on constructor.
1492 * call.c (build_new_method_call_1): Move make_args_non_dependent
1493 after A::A() handling.
1495 PR c++/85277 - ICE with invalid offsetof.
1496 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1497 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1499 PR c++/85264 - ICE with excess template-parameter-list.
1500 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1501 parameter. Don't allow an extra template header if true.
1502 (cp_parser_class_head): Pass template_id_p.
1503 (cp_parser_elaborated_type_specifier): Likewise.
1504 (cp_parser_alias_declaration): Likewise.
1505 (cp_parser_check_declarator_template_parameters): Likewise.
1507 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1510 * parser.c (cp_parser_simple_declaration): For structured bindings,
1511 if *maybe_range_for_decl is NULL after parsing it, set it to
1514 2018-04-09 Jason Merrill <jason@redhat.com>
1516 PR c++/85256 - ICE capturing pointer to VLA.
1517 * lambda.c (add_capture): Distinguish between variable-size and
1518 variably-modified types.
1520 2018-04-06 Jason Merrill <jason@redhat.com>
1522 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1523 * pt.c (extract_locals_r): Remember local typedefs.
1525 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1528 * name-lookup.c (struct std_name_hint): Move out of
1529 get_std_name_hint; add field "min_dialect".
1530 (get_std_name_hint): Add min_dialect values to all initializers.
1531 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1532 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1533 <shared_mutex>, <string_view>, <thread>, and <variant>.
1534 Add fstream, ifstream, and ofstream to <fstream>.
1535 Add istringstream, ostringstream, and stringstream to <sstream>.
1536 Add basic_string to <string>.
1537 Add tuple_element and tuple_size to <tuple>.
1538 Add declval to <utility>.
1539 Fix ordering of <queue> and <tuple>.
1540 Return a std_name_hint, rather than a const char *.
1541 (get_cxx_dialect_name): New function.
1542 (maybe_suggest_missing_std_header): Detect names that aren't yet
1543 available in the current dialect, and instead of suggesting a
1544 missing #include, warn about the dialect.
1546 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1549 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1550 errorcount is set if tsubst doesn't return a VAR_DECL.
1552 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1555 * name-lookup.c (using_directives_contain_std_p): New function.
1556 (has_using_namespace_std_directive_p): New function.
1557 (suggest_alternatives_for): Simplify if/else logic using early
1558 returns. If no candidates were found, and there's a
1559 "using namespace std;" directive, call
1560 maybe_suggest_missing_std_header.
1561 (maybe_suggest_missing_header): Split later part of the function
1563 (maybe_suggest_missing_std_header): New.
1565 2018-04-06 Jason Merrill <jason@redhat.com>
1567 PR c++/85242 - ICE with class definition in template parm.
1568 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1569 processing_template_parmlist.
1571 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1572 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1574 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1577 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1578 is not prev, if prev == decl.
1581 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1582 maybe_apply_pragma_weak here...
1583 (cp_maybe_mangle_decomp): ... but call it here instead.
1585 2018-04-05 Jason Merrill <jason@redhat.com>
1587 PR c++/85136 - ICE with designated init in template.
1588 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1589 designated initializer.
1590 (check_array_designated_initializer): Update ce->index with the
1593 PR c++/83808 - ICE with VLA initialization.
1594 * typeck2.c (process_init_constructor_array): Don't require a VLA
1595 initializer to have VLA type.
1597 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1600 * call.c (convert_like_real): Fail gracefully for a broken
1601 std::initializer_list, missing a definition.
1603 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1605 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1608 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1609 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1611 2018-04-05 Jason Merrill <jason@redhat.com>
1613 PR c++/82152 - ICE with class deduction and inherited ctor.
1614 * pt.c (do_class_deduction): Ignore inherited ctors.
1616 PR c++/84665 - ICE with array of empty class.
1617 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1619 PR c++/85228 - ICE with lambda in enumerator in template.
1620 * pt.c (bt_instantiate_type_proc): Don't assume
1621 CLASSTYPE_TEMPLATE_INFO is non-null.
1623 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1626 * decl.c (find_decomp_class_base): Check accessibility instead
1627 of declared access, adjust diagnostic.
1629 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1632 * decl.c (get_tuple_decomp_init): Check the templatedness
1635 2018-04-05 Jason Merrill <jason@redhat.com>
1637 PR c++/85200 - ICE with constexpr if in generic lambda.
1638 * pt.c (extract_locals_r): Don't record the local specs of variables
1639 declared within the pattern.
1641 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1644 * pt.c (check_auto_in_tmpl_args): New.
1645 (tsubst_qualified_id): Use it to reject template args
1646 referencing auto for non-type templates.
1647 * parser.c (cp_parser_template_id): Likewise.
1648 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1649 * typeck2.c (build_functional_cast): Report correct location
1650 for invalid use of auto.
1652 2018-04-04 Jason Merrill <jason@redhat.com>
1654 PR c++/85215 - ICE with copy-init from conversion.
1655 * call.c (merge_conversion_sequences): Fix type of direct binding
1658 PR c++/84938 - ICE with division by ~-1.
1659 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1661 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1662 * parser.c (cp_parser_mem_initializer_list): Call
1663 check_for_bare_parameter_packs.
1665 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1668 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1669 builtin_valid_in_constant_expr_p functions, don't call
1670 cxx_eval_constant_expression if argument is not
1671 potential_constant_expression.
1674 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1676 * semantics.c (calculate_bases): Add complain argument. Use
1677 complete_type_or_maybe_complain instead of just complete_type and
1678 return an empty vector if it fails. Move make_tree_vector () call
1679 after early return. Formatting fixes.
1680 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1682 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1683 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1684 calculate_direct_bases callers, formatting fixes.
1686 2018-04-04 Jason Merrill <jason@redhat.com>
1688 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1689 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1691 PR c++/85200 - ICE with constexpr if in generic lambda.
1692 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1694 PR c++/84221 - bogus -Wunused with attribute and template.
1695 * decl2.c (is_late_template_attribute): Handle unused and used
1696 normally on non-TYPE_DECL.
1698 PR c++/85135 - ICE with omitted template arguments.
1699 * decl.c (grokdeclarator): Catch deduced class type in trailing
1702 PR c++/85133 - ICE with missing concept initializer.
1703 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1706 PR c++/85118 - wrong error with generic lambda and std::bind.
1707 * call.c (add_template_conv_candidate): Disable if there are any
1710 PR c++/85141 - ICE with compound assignment and static member fn.
1711 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1712 compound assignment.
1714 PR c++/85148 - ICE with 'this' in array NSDMI.
1715 * tree.c (replace_placeholders_r): Use handled_component_p.
1717 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1720 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1721 * parser.c (cp_parser_unqualified_id): ..not here.
1723 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
1726 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1728 * decl2.c (mark_used): Return without effects if tf_conv.
1730 2018-04-03 Jason Merrill <jason@redhat.com>
1732 PR c++/85092 - C++17 ICE with unused list constructor.
1733 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1736 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1737 * constexpr.c (cxx_eval_builtin_function_call): Only defer
1738 __builtin_constant_p if ctx->quiet.
1740 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
1743 * pt.c (rewrite_template_parm): If the first argument is
1744 error_mark_node return it immediately.
1745 (build_deduction_guide): Check the return value of the
1746 latter for error_mark_node.
1747 (do_class_deduction): Check the return value of the latter.
1749 2018-04-03 Jason Merrill <jason@redhat.com>
1751 * semantics.c (finish_if_stmt_cond): Use
1752 instantiation_dependent_expression_p.
1754 PR c++/85149 - generic lambda and constexpr if.
1755 * pt.c (build_extra_args, add_extra_args): Split from
1756 tsubst_pack_expansion.
1757 (tsubst_expr) [IF_STMT]: Use them.
1758 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1760 * typeck.c (merge_types): Limit matching attribute shortcut to
1763 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1766 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1769 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1773 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1774 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1775 instead for static data members clear init and set DECL_EXTERNAL.
1777 2018-04-02 Jason Merrill <jason@redhat.com>
1779 PR c++/64095 - auto... parameter pack.
1780 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1782 (cp_parser_parameter_declaration_list): Not here.
1784 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
1787 * class.c (instantiate_type): Peel off SAVE_EXPR before
1790 2018-03-30 Jason Merrill <jason@redhat.com>
1792 * typeck2.c (process_init_constructor_record): Use
1793 init_list_type_node for the CONSTRUCTOR around an anonymous union
1794 designated initializer.
1796 2018-03-30 Jakub Jelinek <jakub@redhat.com>
1799 * semantics.c (finish_omp_reduction_clause): If
1800 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1801 even if processing_template_decl.
1803 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1806 * name-lookup.c (get_std_name_hint): Add names from <memory>,
1807 <tuple>, and <utility>.
1809 2018-03-29 Jason Merrill <jason@redhat.com>
1811 PR c++/85093 - too many template args with pack expansion.
1812 * pt.c (coerce_template_parms): Keep pack expansion args that will
1815 2018-03-29 Jason Merrill <jason@redhat.com>
1817 * pt.c (build_non_dependent_expr): Propagate expr location.
1819 2018-03-27 Jason Merrill <jason@redhat.com>
1821 PR c++/85060 - wrong-code with call to base member in template.
1822 * search.c (any_dependent_bases_p): Check uses_template_parms
1823 rather than processing_template_decl.
1825 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1828 * typeck.c (convert_for_assignment): When complaining due to
1829 conversions for an argument, attempt to use the location of the
1832 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
1835 * pt.c (tsubst_default_argument): Early return if the type of the
1836 parameter is erroneous.
1838 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
1841 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1845 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1847 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1850 * method.c (defaulted_late_check): Partially revert r253321 changes,
1851 do not early return upon error.
1853 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1856 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1857 type call fold to generate VECTOR_CSTs when possible.
1860 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1861 return it right away.
1863 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
1865 * search.c (check_final_overrider): Use inform instead of error
1866 for the diagnostics of the overridden functions. Tweak wording.
1868 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1871 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1872 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
1874 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1875 Jason Merrill <jason@redhat.com>
1878 * init.c (build_aggr_init): When initializing from array,
1879 reject anything but CONSTRUCTORs and TARGET_EXPRs.
1880 (build_vec_init): Handle separately ARRAY_TYPEs.
1882 2018-03-26 Jason Merrill <jason@redhat.com>
1884 PR c++/85062 - ICE with alignas in wrong place.
1885 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1888 PR c++/85049 - ICE with __integer_pack.
1889 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1890 * cp-tree.h (TEMPLATE_PARM_P): New.
1892 2018-03-23 Jason Merrill <jason@redhat.com>
1894 PR c++/78489 - wrong SFINAE behavior.
1897 * pt.c (type_unification_real): Don't defer substitution failure.
1899 2018-03-23 Jakub Jelinek <jakub@redhat.com>
1902 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1906 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1907 cp_build_unary_op call with gcc_unreachable ().
1909 2018-03-23 Marek Polacek <polacek@redhat.com>
1912 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1913 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
1914 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1916 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
1919 * parser.c (cp_parser_perform_range_for_lookup): Change
1920 the condition for deciding whether to use members.
1922 2018-03-23 Marek Polacek <polacek@redhat.com>
1925 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1927 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
1930 * parser.c (cp_parser_alias_declaration): Call
1931 parser_check_template_parameters.
1934 * pt.c (resolve_typename_type): Drop assert that stopped
1935 simplification to template-independent types. Add assert to
1936 verify the initial scope is template dependent.
1937 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1938 Reparse the id expression as a type-name, not a declarator.
1941 * init.c (build_vec_init): Error at parenthesized array init.
1946 * cp-tree.h (temp_override): New template class, generalizing
1947 a cleanup that was only used...
1948 * parser.c (cp_parser_parameter_declaration_clause):
1949 ... here for auto_is_implicit_function_template_parm_p.
1950 (cp_parser_gnu_attributes_opt): Use it here as well.
1951 (cp_parser_std_attribute): Likewise.
1953 2018-03-22 Marek Polacek <polacek@redhat.com>
1956 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1959 2018-03-21 Jason Merrill <jason@redhat.com>
1961 PR c++/81311 - wrong C++17 overload resolution.
1962 * call.c (build_user_type_conversion_1): Remove C++17 code.
1963 (conv_binds_ref_to_prvalue): New.
1964 (build_over_call): Handle C++17 copy elision.
1965 (build_special_member_call): Only do C++17 copy elision here if the
1966 argument is already the right type.
1968 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1971 * init.c (build_vec_init): Silence error, former sorry,
1976 * parser.c (abort_fully_implicit_template_p): New.
1977 (cp_parser_skip_to_end_of_statement): Use it.
1978 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1979 (finish_fully_implicit_template_p): Clear
1980 implicit_template_parms and implicit_template_scope.
1982 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1985 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1986 error_mark_node when check_array_designated_initializer fails.
1988 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1991 * cp-tree.h (genericize_compound_lvalue): Declare.
1992 * typeck.c (genericize_compound_lvalue): New function.
1993 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1994 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1995 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1996 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1997 COMPOUND_EXPR operand.
1999 2018-03-21 Nathan Sidwell <nathan@acm.org>
2002 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2003 * decl2.c (vague_linkage_p): Likewise.
2005 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2008 * constexpr.c (constexpr_fn_retval): Make non-"static".
2009 * cp-tree.h (constexpr_fn_retval): New decl.
2010 * search.c (direct_accessor_p): Update leading comment.
2011 (reference_accessor_p): Likewise.
2012 (field_accessor_p): Replace check that function body is a
2013 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2014 indentation of "field_type" decl.
2016 2018-03-21 Nathan Sidwell <nathan@acm.org>
2019 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2022 2018-03-21 Martin Sebor <msebor@redhat.com>
2025 * call.c (first_non_public_field): New template and function.
2026 (first_non_trivial_field): New function.
2027 (maybe_warn_class_memaccess): Call them.
2029 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2032 * search.c (field_accessor_p): Use class_of_this_parm rather than
2033 type_of_this_parm, to check that "this" is a "const T *", rather
2036 2018-03-21 Nathan Sidwell <nathan@acm.org>
2038 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2039 other than public non-static data members.
2040 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2041 parenthesized initializer.
2044 * name-lookup.c (update_binding): Correct logic for local binding
2047 2018-03-21 Marek Polacek <polacek@redhat.com>
2049 PR c++/71638, ICE with NSDMI and reference.
2050 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2051 even when we replace an element.
2053 2018-03-20 Marek Polacek <polacek@redhat.com>
2055 PR c++/84978, ICE with NRVO.
2056 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2057 a RESULT_DECL isn't in the hash map.
2059 2018-03-20 Jason Merrill <jason@redhat.com>
2061 PR c++/84978, ICE with NRVO.
2062 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2063 (cp_get_callee_fndecl_nofold): New.
2064 * cp-gimplify.c (cp_genericize_r): Use it instead.
2065 * call.c (check_self_delegation): Likewise.
2067 2018-03-20 Nathan Sidwell <nathan@acm.org>
2070 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2071 member_vec, if there is one.
2074 * cp-tree.h (lookup_list_keep): Declare.
2075 * tree.c (lookup_list_keep): New, broken out of ...
2076 (build_min): ... here. Call it.
2077 * decl.c (cp_finish_decl): Call lookup_list_keep.
2079 2018-03-19 Jason Merrill <jason@redhat.com>
2081 PR c++/84937 - ICE with class deduction and auto.
2082 * pt.c (rewrite_template_parm): Fix auto handling.
2084 2018-03-19 Marek Polacek <polacek@redhat.com>
2087 * pt.c (enclosing_instantiation_of): Check if fn is null.
2090 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2091 as we evaluate the elements.
2092 (cxx_eval_constant_expression): Verify constructor's flags
2095 2018-03-19 Jason Merrill <jason@redhat.com>
2097 PR c++/71834 - template-id with too few arguments.
2098 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2100 2018-03-19 Nathan Sidwell <nathan@acm.org>
2103 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2104 * pt.c (build_template_decl): Propagate language linkage.
2107 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2110 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2113 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2115 * method.c (synthesize_method): Likewise.
2116 * pt.c (convert_nontype_argument): Likewise.
2118 2018-03-16 Jason Merrill <jason@redhat.com>
2120 PR c++/84720 - ICE with rvalue ref non-type argument.
2121 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2122 (convert_nontype_argument): Revert earlier change.
2124 PR c++/80227 - SFINAE and negative array size.
2125 * decl.c (compute_array_index_type): Use
2126 build_converted_constant_expr and valid_constant_size_p.
2128 PR c++/84906 - silent wrong code with ambiguous conversion.
2129 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2130 ambiguous conversion.
2131 (convert_like_real): Check it.
2133 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2134 * call.c (build_special_member_call): Don't convert an init-list
2135 argument directly to the class type.
2137 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2141 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2142 (find_placeholder): Declare.
2143 * tree.c (struct replace_placeholders_t): Add exp member.
2144 (replace_placeholders_r): Don't walk into ctors with
2145 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2146 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2147 (replace_placeholders): Initialize data.exp.
2148 (find_placeholders_r, find_placeholders): New functions.
2149 * typeck2.c (process_init_constructor_record,
2150 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2151 if adding NSDMI on which find_placeholder returns true.
2152 * call.c (build_over_call): Don't call replace_placeholders here.
2153 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2154 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2155 TARGET_EXPR_INITIAL.
2156 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2159 2018-03-16 Jason Merrill <jason@redhat.com>
2161 PR c++/83911 - ICE with multiversioned constructor.
2162 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2164 * call.c (build_over_call): Not here.
2166 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2169 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2170 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2172 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2175 * cp-tree.h (cp_warn_deprecated_use): Declare.
2176 * tree.c (cp_warn_deprecated_use): New function.
2177 * typeck2.c (build_functional_cast): Use it.
2178 * decl.c (grokparms): Likewise.
2179 (grokdeclarator): Likewise. Temporarily push nested class scope
2180 around grokparms call for out of class member definitions.
2182 2018-03-14 Jason Merrill <jason@redhat.com>
2184 PR c++/84820 - no error for invalid qualified-id.
2185 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2186 cp_error_declarator.
2188 PR c++/84801 - ICE with unexpanded pack in lambda.
2189 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2190 lambda in non-template context.
2192 PR c++/81236 - auto variable and auto function
2193 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2196 2018-03-14 Jason Merrill <jason@redhat.com>
2198 PR c++/83916 - ICE with template template parameters.
2199 * pt.c (convert_template_argument): Don't substitute into type of
2200 non-type parameter if we don't have enough arg levels.
2203 2018-03-14 Marek Polacek <polacek@redhat.com>
2206 * semantics.c (finish_static_assert): Check
2207 instantiation_dependent_expression_p instead of
2208 {type,value}_dependent_expression_p.
2210 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2211 Jason Merrill <jason@redhat.com>
2213 PR c++/82336 - link error with list-init default argument.
2214 * decl.c (check_default_argument): Unshare an initializer list.
2216 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2219 * decl.c (duplicate_decls): For redefinition of built-in, use error
2220 and return error_mark_node. For redeclaration, return error_mark_node
2221 rather than olddecl if !flag_permissive.
2223 2018-03-13 Jason Merrill <jason@redhat.com>
2225 PR c++/82565 - ICE with concepts and generic lambda.
2226 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2228 2018-03-13 Jason Merrill <jason@redhat.com>
2230 PR c++/84720 - ICE with rvalue ref non-type argument.
2231 * pt.c (convert_nontype_argument): Handle rvalue references.
2233 PR c++/84839 - ICE with decltype of parameter pack.
2234 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2235 instantiating dummy parms.
2237 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2238 parameter even without -Wpedantic.
2240 PR c++/84798 - ICE with auto in abstract function declarator.
2241 * parser.c (cp_parser_parameter_declaration_clause): Check
2242 parser->default_arg_ok_p.
2244 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2247 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2248 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2249 sizetype. Formatting fixes.
2251 2018-03-12 Jason Merrill <jason@redhat.com>
2253 PR c++/84355 - ICE with deduction for member class template.
2254 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2255 CLASS_PLACEHOLDER_TEMPLATE.
2257 PR c++/84802 - ICE capturing uninstantiated class.
2258 * lambda.c (build_capture_proxy): Call complete_type.
2260 2018-03-09 Jason Merrill <jason@redhat.com>
2262 PR c++/84770 - ICE with typedef and parameter pack.
2263 * pt.c (verify_unstripped_args_1): Split out from
2264 verify_unstripped_args.
2266 PR c++/84785 - ICE with alias template and default targs.
2267 * pt.c (type_unification_real): Set processing_template_decl if
2270 PR c++/84752 - ICE with capture of constexpr array.
2271 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2272 identity conversion under ck_lvalue.
2274 2018-03-09 Jason Merrill <jason@redhat.com>
2275 Paolo Carlini <paolo.carlini@oracle.com>
2279 * pt.c (any_erroneous_template_args_p): New.
2280 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2281 * parser.c (cp_parser_class_specifier_1): Use it.
2283 2018-03-09 Jason Merrill <jason@redhat.com>
2285 PR c++/84726 - unnecessary capture of constant vars.
2286 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2287 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2288 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2289 * lambda.c (is_constant_capture_proxy)
2290 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2291 (prune_lambda_captures): New.
2292 (finish_lambda_function): Call prune_lambda_captures.
2294 2018-03-09 Jason Merrill <jason@redhat.com>
2295 Jakub Jelinek <jakub@redhat.com>
2298 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2299 build ADDR_EXPR with REFERENCE_TYPE.
2300 (build_over_call): For purposes of check_function_arguments, if
2301 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2302 its operand rather than the argument itself.
2304 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2307 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2308 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2309 also a note and return olddecl.
2311 2018-03-09 Nathan Sidwell <nathan@acm.org>
2314 * name-lookup.c (do_pushdecl_with_scope): Only clear
2315 current_function_decl when pushing a non-class (i.e. namespace)
2318 2018-03-08 Jason Merrill <jason@redhat.com>
2319 Jakub Jelinek <jakub@redhat.com>
2322 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2323 not calling mark_used for the benefit of -Wunused-function warning.
2325 2018-03-06 Jason Merrill <jason@redhat.com>
2327 * lambda.c (is_capture_proxy_with_ref): Remove.
2328 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2330 2018-03-06 Marek Polacek <polacek@redhat.com>
2333 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2336 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2339 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2340 only while processing template decls.
2341 * typeck.c (build_x_conditional_expr): Move wrapping of
2342 reference type around type...
2343 * call.c (build_conditional_expr_1): ... here. Rename
2344 is_lvalue to is_glvalue.
2345 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2346 INDIRECT_REF of COND_EXPR too.
2349 * init.c (build_zero_init_1): Zero-initialize references.
2352 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2353 overloads used as stmt expr values.
2355 2018-03-05 Jason Merrill <jason@redhat.com>
2357 PR c++/84708 - ICE with lambda in local class NSDMI.
2358 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2361 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2364 * constexpr.c (constexpr_call_hasher::equal): Return false if
2365 lhs->hash != rhs->hash. Change return 1 to return true and
2366 return 0 to return false.
2368 2018-03-05 Nathan Sidwell <nathan@acm.org>
2371 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2373 2018-03-05 Marek Polacek <polacek@redhat.com>
2376 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2379 2018-03-05 Nathan Sidwell <nathan@acm.org>
2382 * friend.c (do_friend): Restore check for identifier_p inside
2385 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2388 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2389 involving a VAR_DECL or a PARM_DECL.
2391 2018-03-05 Pádraig Brady <P@draigBrady.com>
2392 Jason Merrill <jason@redhat.com>
2393 Nathan Sidwell <nathan@acm.org>
2396 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2398 2018-03-03 Jason Merrill <jason@redhat.com>
2400 PR c++/84686 - missing volatile loads.
2401 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2403 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2406 * optimize.c (maybe_thunk_body): Bail out immediately if either
2407 fns[0] or fns[1] is null.
2409 2018-03-02 Marek Polacek <polacek@redhat.com>
2412 * constexpr.c (get_array_or_vector_nelts): New.
2413 (cxx_eval_array_reference): Use it.
2414 (cxx_eval_vec_init_1): Likewise.
2415 (cxx_eval_store_expression): Likewise.
2417 2018-03-02 Jason Merrill <jason@redhat.com>
2419 * semantics.c (force_paren_expr): Remove redundant test.
2421 2018-03-02 Marek Polacek <polacek@redhat.com>
2424 * decl.c (cp_complete_array_type): Check error_mark_node.
2427 * typeck.c (cp_perform_integral_promotions): Check the result of
2430 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2433 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2434 RETURN instead of return.
2435 <case POINTER_PLUS_EXPR>: Likewise.
2436 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2437 it instead of wrapping it into CONVERT_EXPR.
2439 2018-03-02 Jason Merrill <jason@redhat.com>
2442 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2444 2018-03-02 Marek Polacek <polacek@redhat.com>
2447 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2448 wrapped in VIEW_CONVERT_EXPR.
2450 2018-03-01 Martin Sebor <msebor@redhat.com>
2453 * decl.c (check_redeclaration_no_default_args): Merge attributes
2454 specified on redeclarations of the same function template.
2457 2018-03-01 Marek Polacek <polacek@redhat.com>
2458 Jason Merrill <jason@redhat.com>
2461 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2463 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2464 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2465 of instantiate_non_dependent_expr.
2466 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2468 2018-03-01 Nathan Sidwell <nathan@acm.org>
2471 * name-lookup.c (member_vec_dedup): Remove manually peeled
2472 iteration. Ignore dependent ctor inheritance.
2474 2018-03-01 Jason Merrill <jason@redhat.com>
2476 PR c++/71569 - decltype of template.
2477 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2479 2018-03-01 Marek Polacek <polacek@redhat.com>
2482 * constexpr.c (require_rvalue_constant_expression): New function.
2483 * cp-tree.h: Declare it.
2484 * semantics.c (finish_static_assert): Use it instead of
2485 require_potential_rvalue_constant_expression.
2487 2018-03-01 Jason Merrill <jason@redhat.com>
2488 Alexandre Oliva <aoliva@redhat.com>
2490 PR c++/71569 - ICE with redundant args on member variable template.
2491 * decl.c (start_decl): Handle partial specialization of member
2493 * pt.c (determine_specialization): Allow partial specialization
2494 of member variable template without specializing enclosing class.
2495 (process_partial_specialization): Improve error message.
2497 2018-02-28 Jason Merrill <jason@redhat.com>
2499 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2500 * pt.c (determine_specialization): Check ref-qualifier.
2502 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2505 * parser.c (cp_parser_attributes_opt): Formatting fix.
2506 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2507 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2509 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2510 instead of tentative parse to peek over optional attribute tokens
2511 to check for CPP_COLON after them.
2515 * pt.c (INCLUDE_STRING): Remove define.
2516 (warn_spec_missing_attributes): Use pretty_printer instead of
2517 std::string. Fix up inform call so that the list of attributes
2520 2018-02-28 Martin Sebor <msebor@redhat.com>
2523 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2526 2018-02-28 Nathan Sidwell <nathan@acm.org>
2529 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2530 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2531 regardless of want_type.
2532 (search_anon_aggr): Just use get_class_binding_direct.
2534 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2536 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2539 2018-02-27 Martin Sebor <msebor@redhat.com>
2541 * pt.c: Avoid including <string> directly.
2543 2018-02-27 Martin Sebor <msebor@redhat.com>
2547 * cp-tree.h (warn_spec_missing_attributes): New function.
2548 ((check_explicit_specialization): Add an argument. Call the above
2550 * decl.c (duplicate_decls): Avoid applying primary function template's
2551 attributes to its explicit specializations.
2552 cp/pt.c (warn_spec_missing_attributes): Define.
2554 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
2556 PR c++/71546 - lambda init-capture with qualified-id.
2557 * parser.c (cp_parser_lambda_introducer): Clear scope after
2558 each lambda capture.
2560 2018-02-27 Nathan Sidwell <nathan@acm.org>
2563 * name-lookup.h (get_member_slot): Rename ...
2564 (find_member_slot): ... here.
2565 (add_member_slot): New.
2566 * name-lookup.c (member_vec_linear_search): No need to check for
2568 (get_member_slot): Rename ...
2569 (find_member_slot): ... here. Don't add slot for incomplete class.
2570 (add_member_slot): New.
2571 * class.c (add_method): Adjust get_member_slot rename. Bail out
2572 if push_class_level_binding fails. Create slot and grok
2573 properties once we're committed to insertion.
2575 2018-02-27 Jason Merrill <jason@redhat.com>
2577 PR c++/84489 - dependent default template argument
2578 * pt.c (type_unification_real): Handle early substitution failure.
2580 2018-02-26 Jason Merrill <jason@redhat.com>
2582 PR c++/84560 - ICE capturing multi-dimensional VLA.
2583 * tree.c (array_of_runtime_bound_p): False if the element is
2586 PR c++/84441 - ICE with base initialized from ?:
2587 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2589 PR c++/84520 - ICE with generic lambda in NSDMI.
2590 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2591 'this' in a generic lambda instantiation.
2593 PR c++/84559 - ICE with constexpr VLA.
2594 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2595 for constexpr variable with VLA type.
2597 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2600 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2601 a valid constant initializer. Formatting fixes.
2603 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2606 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2607 returning NULL_TREE.
2608 (apply_late_template_attributes): Likewise.
2610 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2613 * parser.c (cp_parser_omp_var_list_no_open): Only call
2614 cp_parser_lookup_name_simple on names satisfying identifier_p.
2615 (cp_parser_oacc_routine): Likewise.
2617 2018-02-26 Jason Merrill <jason@redhat.com>
2619 PR c++/84551 - ICE with concepts and -g.
2620 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2622 2018-02-26 Marek Polacek <polacek@redhat.com>
2625 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2628 2018-02-26 Jason Merrill <jason@redhat.com>
2630 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2631 * call.c (build_over_call): Handle deleted functions in one place.
2633 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2636 * decl.c (redeclaration_error_message): Don't try to use
2637 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2639 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2641 * lambda.c (build_capture_proxy): Define static.
2642 * cp-tree.h (build_capture_proxy): Remove.
2644 2018-02-26 Marek Polacek <polacek@redhat.com>
2647 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2648 if name is error node.
2650 2018-02-25 Jason Merrill <jason@redhat.com>
2652 PR c++/84015 - ICE with class deduction and auto template parm.
2653 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2655 2018-02-24 Marek Polacek <polacek@redhat.com>
2658 * constexpr.c (maybe_constant_init_1): New function.
2659 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2660 (cxx_constant_init): New function.
2661 * cp-tree.h (cxx_constant_init): Declare.
2662 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2663 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2665 2018-02-22 Jason Merrill <jason@redhat.com>
2667 PR c++/70468 - ICE with constructor delegation via typedef.
2668 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2669 with constructor delegation.
2671 2018-02-22 Jason Merrill <jason@redhat.com>
2673 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2674 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2677 2018-02-22 Marek Polacek <polacek@redhat.com>
2680 * parser.c (cp_parser_braced_list): Use require_open instead of
2683 2018-02-21 Jason Merrill <jason@redhat.com>
2685 PR c++/84454 - ICE with pack expansion in signature.
2686 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2688 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2690 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2693 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2696 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2699 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2702 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2703 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2706 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2707 returns error_mark_node, return it immediately.
2708 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2709 error_mark_node, return error_mark_node.
2712 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2713 function_depth to avoid GC during finish_lambda_function.
2715 2018-02-19 Jason Merrill <jason@redhat.com>
2717 PR c++/84429 - ICE capturing VLA.
2718 * lambda.c (build_capture_proxy): Handle reference refs.
2720 2018-02-19 Jakub Jelinek <jakub@redhat.com>
2723 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2724 either operand is error_mark_node, set current.lhs to that instead of
2725 creating a binary op with error_mark_node operands.
2728 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2730 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
2733 * decl.c (grokdeclarator): Early return error_mark_node upon
2734 ill-formed friend declaration.
2736 2018-02-16 Marek Polacek <polacek@redhat.com>
2737 Jakub Jelinek <jakub@redhat.com>
2740 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2741 set *jump_target to anything if jump_target is NULL.
2743 2018-02-16 Jason Merrill <jason@redhat.com>
2745 PR c++/84151 - unnecessary volatile load with static member.
2746 * call.c (build_new_method_call_1): Avoid loading from a volatile
2747 lvalue used as the object argument for a static member function.
2749 PR c++/81853 - using-directive and constexpr.
2750 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2752 PR c++/84420 - ICE with structured binding in lambda.
2753 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2755 PR c++/83835 - C++17 error with constructor ctors.
2756 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2758 PR c++/82664 - ICE with reference to function template parm.
2759 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2762 PR c++/82764 - C++17 ICE with empty base
2763 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2765 2018-02-16 Jason Merrill <jason@redhat.com>
2767 PR c++/84421 - type-dependent if constexpr
2768 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2770 2018-02-16 Nathan Sidwell <nathan@acm.org>
2772 Deprecate -ffriend-injection.
2773 * decl.c (cxx_init_decl_processing): Emit warning on option.
2774 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2777 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2780 * decl.c (check_special_function_return_type): Reject template
2781 template parameter in deduction guide.
2783 2018-02-16 Nathan Sidwell <nathan@acm.org>
2786 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2788 2018-02-15 Jason Merrill <jason@redhat.com>
2790 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2791 * call.c (convert_like_real): Don't use the copy-list-initialization
2792 shortcut for ck_base.
2794 PR c++/84045 - ICE with typedef and noexcept.
2795 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2797 PR c++/84376 - ICE with omitted template arguments.
2798 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2800 PR c++/84368 - wrong error with local variable in variadic lambda.
2801 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2802 local_specializations.
2804 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
2807 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2810 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2813 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2816 2018-02-14 Nathan Sidwell <nathan@acm.org>
2818 * decl2.c (mark_vtable_entries): Set input_location to decl's.
2819 (c_parse_final_cleanups): Restore input_location after emitting
2822 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2824 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2825 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2826 auto_deduction_context, tree, int): Add defaults.
2827 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2828 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2829 tsubst_flags_t argument.
2830 * init.c (build_new): Likewise.
2832 2018-02-13 Jakub Jelinek <jakub@redhat.com>
2835 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2836 about return other than *this in assignment operators if
2837 retval is type dependent expression.
2839 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
2842 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2843 save_expr for the G++ extension.
2845 2018-02-13 Jason Merrill <jason@redhat.com>
2847 PR c++/84080 - ICE with return type deduction and specialization.
2848 * pt.c (determine_specialization): Check uses_template_parms.
2850 Fix more variadic capture issues.
2851 * pt.c (find_parameter_packs_r): Also look at explicit captures.
2852 (check_for_bare_parameter_packs): Check current_class_type for
2854 (extract_locals_r): Handle seeing a full instantiation of a pack.
2855 (tsubst_pack_expansion): Likewise. Force lambda capture.
2856 * parser.c (cp_parser_lambda_introducer): Don't
2857 check_for_bare_parameter_packs.
2859 PR c++/84338 - wrong variadic sizeof.
2860 * pt.c (argument_pack_select_arg): Like the macro, but look through
2862 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2863 (extract_fnparm_pack): Do make_pack_expansion.
2864 (extract_locals_r): Do strip a pack expansion.
2865 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2867 2018-02-12 Jakub Jelinek <jakub@redhat.com>
2870 * parser.c (cp_parser_binary_expression): Use build_min instead of
2871 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2873 2018-02-12 Nathan Sidwell <nathan@acm.org>
2876 * parser.c (cp_parser_decltype): Push and pop
2877 deferring_access_checks. Reorganize to avoid goto.
2879 2018-02-12 Richard Biener <rguenther@suse.de>
2882 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2883 uniform constructors and delay allocating them fully.
2885 2018-02-09 Jason Merrill <jason@redhat.com>
2887 PR c++/84036 - ICE with variadic capture.
2888 Handle variadic capture proxies more like non-variadic.
2889 * lambda.c (build_capture_proxy): Remove workaround.
2890 * pt.c (find_parameter_packs_r): The proxy is a pack.
2891 (instantiate_class_template_1): Remove dead lambda code.
2892 (extract_fnparm_pack): Don't make_pack_expansion.
2893 (extract_locals_r): Don't strip a pack expansion.
2894 (tsubst_pack_expansion): Handle proxy packs. Use
2895 PACK_EXPANSION_EXTRA_ARGS less.
2896 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2897 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2898 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2899 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2900 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2902 2018-02-10 Jakub Jelinek <jakub@redhat.com>
2905 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2907 2018-02-09 Jason Merrill <jason@redhat.com>
2909 PR c++/81917 - ICE with void_t and partial specialization.
2910 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2911 calling most_specialized_partial_spec.
2913 2018-02-09 Nathan Sidwell <nathan@acm.org>
2916 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2917 Pass expr location to strict_aliasing_warning.
2919 2018-02-09 Jason Merrill <jason@redhat.com>
2921 PR c++/84296 - ICE with qualified-id in template.
2923 * pt.c (unknown_base_ref_p): New.
2924 (instantiation_dependent_scope_ref_p): Use it instead of
2925 any_dependent_bases_p.
2927 2018-02-09 Marek Polacek <polacek@redhat.com>
2928 Jakub Jelinek <jakub@redhat.com>
2931 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2932 fold_indirect_ref_1, including poly_*int64. Verify first that
2933 tree_fits_poly_int64_p (op01). Formatting fixes.
2935 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2937 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2938 * lambda.c (build_capture_proxy): Likewise.
2939 * search.c (field_access_p): Likewise.
2940 * semantics.c (omp_clause_decl, omp_privatize_field,
2941 finish_omp_clauses): Likewise.
2943 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2946 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2947 case of nullptr too.
2949 2018-02-08 Nathan Sidwell <nathan@acm.org>
2951 * class.c (finish_struct): Fix std:initializer_list diagnostic
2954 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2957 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2959 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2962 * parser.c (cp_parser_dot_deref_incomplete): New function.
2963 (cp_parser_postfix_dot_deref_expression): Use it.
2965 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2969 * name-lookup.c (suggest_rid_p): New function.
2970 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2973 2018-02-07 Jason Merrill <jason@redhat.com>
2975 PR c++/84182 - ICE with captured lambda
2977 * pt.c (extract_locals_r, extract_local_specs): New.
2978 (tsubst_pack_expansion): Use them.
2980 2018-02-07 Martin Liska <mliska@suse.cz>
2983 * class.c (add_method): Append argument value.
2984 * cp-tree.h (maybe_version_functions): Add new argument.
2985 * decl.c (decls_match): Call it if a declaration does not
2986 have DECL_FUNCTION_VERSIONED.
2987 (maybe_version_functions): record argument is added.
2989 2018-02-05 Marek Polacek <polacek@redhat.com>
2991 * class.c: Remove unused global variables.
2992 (build_primary_vtable): Don't gather statistics.
2993 (print_class_statistics): Remove.
2994 * cp-tree.h (print_class_statistics): Remove.
2995 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2997 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2999 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3000 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3001 * decl.c (next_initializable_field, find_decomp_class_base,
3002 cp_finish_decomp): Likewise.
3003 * typeck2.c (process_init_constructor_record): Likewise.
3005 2018-02-02 Jason Merrill <jason@redhat.com>
3007 PR c++/84181 - ICE with lambda parm in template argument.
3008 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3010 2018-02-01 Jason Merrill <jason@redhat.com>
3012 PR c++/84160 - ICE with nested variadic capture.
3013 * lambda.c (is_capture_proxy_with_ref): New.
3014 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3016 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3017 * constexpr.c (potential_constant_expression_1): Likewise.
3018 * semantics.c (process_outer_var_ref): Likewise.
3020 2018-02-01 Marek Polacek <polacek@redhat.com>
3023 * typeck.c (build_address): Relax the assert when
3024 processing_template_decl.
3026 2018-02-01 Jason Merrill <jason@redhat.com>
3028 PR c++/84126 - ICE with variadic generic lambda
3031 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3032 PACK_EXPANSION_EXTRA_ARGS.
3034 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3037 * call.c (convert_like_real): If w're initializing from {} explicitly
3038 call abstract_virtuals_error_sfinae.
3040 2018-01-31 Jason Merrill <jason@redhat.com>
3041 Jakub Jelinek <jakub@redhat.com>
3044 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3045 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3048 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3051 * constexpr.c (diag_array_subscript): Emit different diagnostics
3052 if TYPE_DOMAIN (arraytype) is NULL.
3053 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3054 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3056 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3059 * semantics.c (finish_qualified_id_expr): When handling an
3060 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3062 2018-01-31 Marek Polacek <polacek@redhat.com>
3065 * cp-gimplify.c (cp_fold): Check if X is an error node before
3066 calling useless_type_conversion_p.
3068 2018-01-30 Jason Merrill <jason@redhat.com>
3070 PR c++/84091 - ICE with local class in lambda in template.
3071 * decl2.c (determine_visibility): Look for outer containing template
3074 PR c++/84098 - ICE with lambda in template NSDMI.
3075 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3077 2018-01-29 Jason Merrill <jason@redhat.com>
3079 PR c++/68810 - wrong location for reinterpret_cast error.
3080 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3083 2018-01-29 Marek Polacek <polacek@redhat.com>
3086 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3087 => fooarray[1] in offset_int.
3089 2018-01-29 Jason Merrill <jason@redhat.com>
3091 PR c++/83942 - wrong unused warning with static_cast.
3092 * cvt.c (ocp_convert): Call mark_rvalue_use.
3094 2018-01-26 Jason Merrill <jason@redhat.com>
3096 PR c++/83956 - wrong dtor error with anonymous union
3097 * method.c (walk_field_subobs): Variant members only affect
3099 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3101 PR c++/84036 - ICE with variadic capture.
3103 * pt.c (tsubst_pack_expansion): When optimizing a simple
3104 substitution, pull a single pack expansion out of its pack.
3106 PR c++/82514 - ICE with local class in generic lambda.
3107 * pt.c (regenerated_lambda_fn_p): Remove.
3108 (enclosing_instantiation_of): Don't use it.
3109 (tsubst_function_decl): Call enclosing_instantiation_of.
3111 * pt.c (lookup_template_class_1): Add sanity check.
3112 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3114 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3117 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3118 recursive calls that return ret.
3119 (cp_finish_decomp): Ignore unnamed bitfields.
3121 2018-01-23 Jason Merrill <jason@redhat.com>
3123 PR c++/82249 - wrong mismatched pack length error.
3124 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3125 unsubstituted function parameter pack.
3127 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3130 * decl.c (check_for_uninitialized_const_var): Not static; add
3131 bool and tsubst_flags_t parameters; adjust to be used both in
3132 constexpr context and not.
3133 * constexpr.c (potential_constant_expression_1): Use the above.
3134 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3136 2018-01-23 Jason Merrill <jason@redhat.com>
3138 PR c++/83947 - ICE with auto declarations.
3139 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3140 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3142 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3145 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3146 for pointer to member function types.
3148 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3151 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3152 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3154 2018-01-23 Nathan Sidwell <nathan@acm.org>
3157 * pt.c (tsubst_baselink): Remove optype assert.
3158 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3160 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3163 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3164 refers to incomplete type.
3166 2018-01-23 Nathan Sidwell <nathan@acm.org>
3168 Deprecate ARM-era for scope handling
3169 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3170 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3172 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3174 * semantics.c (begin_for_scope): Flag_new_for_scope is
3176 (finish_for_stmt, begin_range_for_stmt): Likewise.
3178 2018-01-22 Jason Merrill <jason@redhat.com>
3181 * decl2.c (determine_visibility): Fix template_decl handling
3182 instead of blocking it.
3184 PR c++/83720 - ICE with lambda and LTO.
3185 * decl2.c (determine_visibility): Clear template_decl for
3186 function-scope decls. Propagate anonymous linkage from containing
3189 2018-01-22 Marek Polacek <polacek@redhat.com>
3192 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3195 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3198 * decl.c (grokdeclarator): Don't diagnose extra parens
3201 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3204 * call.c (joust): Use TREE_TYPE (source) if source is
3205 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3208 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3209 for direct enum init.
3210 * decl.c (reshape_init): Likewise.
3212 2018-01-19 Marek Polacek <polacek@redhat.com>
3214 * constexpr.c (fold_simple): Simplify.
3216 2018-01-18 Jason Merrill <jason@redhat.com>
3219 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3220 * pt.c (instantiation_dependent_scope_ref_p): True if
3221 any_dependent_bases_p.
3223 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3225 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3226 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3228 2018-01-18 Jason Merrill <jason@redhat.com>
3230 PR c++/82461 - constexpr list-initialized member
3231 * constexpr.c (potential_constant_expression_1): Check
3232 TARGET_EXPR_DIRECT_INIT_P.
3234 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3237 * decl.c (xref_basetypes): Early return upon error about derived
3240 2018-01-18 Nathan Sidwell <nathan@acm.org>
3243 * cp-tree.h (mark_use): Declare.
3244 * expr.c (mark_use): Make extern.
3245 * call.c (direct_reference_binding): Set inner conv's
3246 rvaluedness_matches_p, if it is an identity.
3247 (convert_like_real): Mark lvalue or rvalue use for identity as
3248 rvaledness_matches_p demands.
3250 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3253 * parser.c (attr_chainon): New function.
3254 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3255 cp_parser_namespace_definition, cp_parser_init_declarator,
3256 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3257 cp_parser_gnu_attributes_opt): Use it.
3258 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3259 cp_parser_objc_struct_declaration): Likewise. Don't reset
3260 prefix_attributes if attributes is error_mark_node.
3262 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3265 * decl.c (grokdeclarator): Do not append the error_mark_node
3266 due to an erroneous optional attribute-specifier-seq.
3268 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3271 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3274 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3277 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3278 error_mark_node when we give an error.
3279 * decl.c (cp_finish_decl): Use the latter.
3281 2018-01-17 Nathan Sidwell <nathan@acm.org>
3284 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3286 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3289 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3290 the C++ part. If processing a template, call
3291 fold_non_dependent_expr rather than fully folding.
3293 2018-01-17 Jason Merrill <jason@redhat.com>
3295 PR c++/81067 - redundant NULL warning.
3296 * call.c (convert_like_real): Restore null_node handling.
3298 2018-01-17 Jason Merrill <jason@redhat.com>
3300 PR c++/81843 - ICE with variadic member template.
3302 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3305 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3308 * pt.c (type_dependent_expression_p): Strip any location wrapper
3309 before testing tree codes.
3310 (selftest::test_type_dependent_expression_p): New function.
3311 (selftest::cp_pt_c_tests): Call it.
3313 2018-01-17 Nathan Sidwell <nathan@acm.org>
3316 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3317 this not a final instantiation.
3319 2018-01-16 Jason Merrill <jason@redhat.com>
3321 PR c++/83714 - ICE checking return in template.
3322 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3324 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3327 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3328 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3329 instead of CALL_FROM_THUNK_P.
3332 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3333 (resort_type_member_vec, set_class_bindings,
3334 insert_late_enum_def_bindings): Use vec qsort method instead of
3335 calling qsort directly.
3337 2018-01-15 Martin Sebor <msebor@redhat.com>
3340 * class.c (find_flexarrays): Make a record of multiple flexible array
3343 2018-01-12 Jason Merrill <jason@redhat.com>
3345 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3346 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3348 2018-01-12 Nathan Sidwell <nathan@acm.org>
3350 * cp-tree.h (mark_rvalue_use): Add parm name.
3351 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3353 * call.c (convert_like_real): Fix formatting.
3355 2018-01-11 Jason Merrill <jason@redhat.com>
3357 PR c++/82728 - wrong -Wunused-but-set-variable
3360 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3361 * decl.c (case_conversion): Likewise.
3362 * semantics.c (finish_static_assert): Call
3363 perform_implicit_conversion_flags.
3365 2018-01-11 Nathan Sidwell <nathan@acm.org>
3367 * method.c (enum mangling_flags): Delete long-dead enum.
3369 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3371 * parser.c (cp_parser_std_attribute_spec): When
3372 token_pair::require_open / require_close return false simply
3373 return error_mark_node, avoid duplicate cp_parser_error about
3374 expected '(' / ')', respectively.
3376 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3379 * call.c (null_ptr_cst_p): Strip location wrappers when
3380 converting from '0' to a pointer type in C++11 onwards.
3381 (conversion_null_warnings): Replace comparison with null_node with
3382 call to null_node_p.
3383 (build_over_call): Likewise.
3384 * cp-gimplify.c (cp_fold): Remove the early bailout when
3385 processing_template_decl.
3386 * cp-lang.c (selftest::run_cp_tests): Call
3387 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3388 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3389 (selftest::run_cp_tests): Move decl to bottom of file.
3390 (null_node_p): New inline function.
3391 (selftest::cp_pt_c_tests): New decl.
3392 (selftest::cp_tree_c_tests): New decl.
3393 * cvt.c (build_expr_type_conversion): Replace comparison with
3394 null_node with call to null_node_p.
3395 * error.c (args_to_string): Likewise.
3396 * except.c (build_throw): Likewise.
3397 * mangle.c (write_expression): Skip location wrapper nodes.
3398 * parser.c (literal_integer_zerop): New function.
3399 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3400 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3401 param of cp_parser_parenthesized_expression_list. When calling
3402 warn_for_memset, replace integer_zerop calls with
3403 literal_integer_zerop, eliminating the double logical negation
3404 cast to bool. Eliminate the special-casing for CONST_DECL in
3405 favor of the fold_for_warn within warn_for_memset.
3406 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3407 param, defaulting to false. Convert "expr" to a cp_expr, and call
3408 maybe_add_location_wrapper on it when wrap_locations_p is true.
3409 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3410 the result for RID_ALIGNOF and RID_SIZEOF.
3411 (cp_parser_builtin_offsetof): Likewise.
3412 * pt.c: Include "selftest.h".
3413 (tsubst_copy): Handle location wrappers.
3414 (tsubst_copy_and_build): Likewise.
3415 (build_non_dependent_expr): Likewise.
3416 (selftest::test_build_non_dependent_expr): New function.
3417 (selftest::cp_pt_c_tests): New function.
3418 * tree.c: Include "selftest.h".
3419 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3420 (selftest::test_lvalue_kind): New function.
3421 (selftest::cp_tree_c_tests): New function.
3422 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3423 (cp_build_binary_op): Replace comparison with null_node with call
3425 (build_address): Use location of operand when building address
3428 2018-01-10 Marek Polacek <polacek@redhat.com>
3431 * call.c (build_conditional_expr_1): Check complain before warning.
3432 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3433 -Wduplicated-branches.
3435 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3438 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3439 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3440 args uses and check number of operands too. Don't strip away any
3441 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3442 Deal with src argument not having pointer type. Check
3443 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3445 (build_over_call): Call maybe_warn_class_memaccess here on the
3447 (build_cxx_call): Rather than here on converted arguments.
3449 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3452 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3453 error_mark_node as second argument.
3455 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3458 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3459 in STATEMENT_LIST. Remove unneeded assert.
3461 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3462 Alan Hayward <alan.hayward@arm.com>
3463 David Sherwood <david.sherwood@arm.com>
3465 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3467 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3468 * call.c (build_conditional_expr_1): Likewise.
3469 * decl.c (cp_finish_decomp): Likewise.
3470 * mangle.c (write_type): Likewise.
3471 * typeck.c (structural_comptypes): Likewise.
3472 (cp_build_binary_op): Likewise.
3473 * typeck2.c (process_init_constructor_array): Likewise.
3475 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3478 * typeck.c (build_static_cast_1): For static casts to reference types,
3479 call build_base_path with flag_delete_null_pointer_checks as nonnull
3480 instead of always false. When -fsanitize=null, call
3481 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3482 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3483 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3485 2018-01-03 Nathan Sidwell <nathan@acm.org>
3488 * method.c (make_alias_for): Copy DECL_CONTEXT.
3490 2018-01-03 Marek Polacek <polacek@redhat.com>
3493 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3495 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3497 PR preprocessor/83602
3498 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3502 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3503 error_mark_node, return error_mark_node.
3505 Update copyright years.
3507 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3510 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3511 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3512 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3513 to false and return.
3514 (replace_placeholders): Pass NULL instead of &pset as last argument
3517 2018-01-02 Nathan Sidwell <nathan@acm.org>
3519 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3522 Copyright (C) 2018 Free Software Foundation, Inc.
3524 Copying and distribution of this file, with or without modification,
3525 are permitted in any medium without royalty provided the copyright
3526 notice and this notice are preserved.