P0595R1 - is_constant_evaluated
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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
7         maybe_constant_init.
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
19         ctx.
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
37         built-in.
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.
42         PR c++/86836
43         * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
44         before tsubst_init, not after it.
46         PR c++/86738
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>
54         PR c++/59480, DR 136
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>
61         PR c++/79133
62         * name-lookup.c (check_local_shadow): Reject captures and parameters
63         with the same name.
65 2018-08-06  Marek Polacek  <polacek@redhat.com>
67         PR c++/86767
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
77         assignment operators.
79 2018-08-03  Jason Merrill  <jason@redhat.com>
81         PR c++/86706
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
89         existing prefix.
91 2018-08-02  Richard Biener  <rguenther@suse.de>
93         PR c++/86763
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>
105         PR c++/86661
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>
111         PR debug/86687
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>
123         PR c++/86653
124         * parser.c (cp_parser_condition): Initialize non_constant_p
125         to false.
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
144         identifiers.
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").
164         PR c++/85515
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):
169         Define.
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>
182         PR c++/86569
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>
193         PR c++/59480, DR 136
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>
200         PR c++/86550
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
208         sentinel.
210 2018-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
212         PR c++/59480, DR 136
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>
224         PR debug/86523
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
232         IF_STMT_EXTRA_ARGS.
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>
245         PR c++/3698
246         PR c++/86208
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>
252         PR c++/86374
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 &
256         initializer.
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>
269         PR sanitizer/86406
270         * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
271         DEBUG_BEGIN_STMTs.
273         PR c++/86443
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
279         var.
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>
299         PR c++/86398
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>
314         PR c++/86201
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>
329         PR c++/86184
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
341         in system headers.
343 2018-06-27  David Malcolm  <dmalcolm@redhat.com>
345         PR c++/86329
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
352         its template level.
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>
372         PR c++/86291
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:
393         Pass it.
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
412         current_lang_base.
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>
423         PR c++/85634
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>
459         PR c++/86240
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>
466         PR c++/85634
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
508         function type.
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>
548         PR c++/86063
549         * decl2.c (cp_check_const_attributes): Skip trees that are not
550         TREE_LISTs.
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
557         no lambda-captures.
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]
566         in error_at call.
567         * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
568         in permerror call.
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
574         constructors.
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):
579         Handle v12 breakage.
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
604         constructors.
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>
631         PR c++/85977
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
640         pedwarn.
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>
650         PR c++/85976
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>
698         PR c++/77777
699         * call.c (resolve_args): Use location of expression, not current input
700         location.
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
709         check null_node_p.
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
722         cp_error_declarator.
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
738         init_list.
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>
745         PR c++/85883
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>
751         PR c++/85952
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
774         generic lambda.
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):
791         Likewise.
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):
817         Likewise.
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>
826         PR c++/85847
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
838         rvalue reference.
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
844         an xvalue.
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
869         bool* parameter.
870         (cp_parser_parameter_declaration_clause): Adjust.
871         (cp_parser_cache_defarg): Likewise.
873 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
875         PR c++/84588
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.
903         (mark_used): Use it.
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
908         side-effects.
910 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
912         PR c++/85782
913         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
914         OACC_LOOPs.
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>
923         PR c++/85363
924         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
925         * tree.c (bot_manip): Call set_flags_from_callee for
926         AGGR_INIT_EXPRs too.
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>
1057         PR c/85696
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
1087         user_provided_p.
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>
1097         PR c++/85662
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
1100         fold_convert.
1102 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1104         PR c++/85400
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>
1111         PR c++/85713
1112         Revert:
1113         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
1115         PR c++/84588
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>
1129         PR c++/84588
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>
1136         PR c++/85695
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
1145         thunk.
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):
1155         Don't declare.
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
1166         handling.
1167         (check_local_shadow): Likewise.
1168         (check_for_out_of_scope_variable): Delete.
1169         * parser.c (cp_parser_primary_expression): Remove shadowed for var
1170         handling.
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>
1201         PR c++/68374
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>
1238         PR c++/85553
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>
1244         PR c++/85515
1245         * name-lookup.c (consider_binding_level): Skip compiler-generated
1246         variables.
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>
1258         PR c++/84691
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
1266         build_ptrmemfunc.
1267         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1268         adjustment.
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>
1289         PR c++/85437
1290         PR c++/49171
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>
1321         PR c++/85462
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>
1334         PR c++/84611
1335         * pt.c (lookup_template_class_1): Check pushtag return value for
1336         error_mark_node.
1338 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
1340         PR c++/80290
1341         * cp-tree.h (tinst_level::free): Fix whitespace.
1343 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
1345         PR c++/84630
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>
1351         PR c++/84463
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>
1359         PR c++/80290
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
1367         accessors.
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
1381         new accessors.
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>
1401         PR c++/85039
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>
1408         PR c++/85385
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>
1429         PR c++/85258
1430         * constexpr.c (reduced_constant_expression_p): Return false for null
1431         trees.
1433 2018-04-11  Marek Polacek  <polacek@redhat.com>
1435         PR c++/85032
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>
1441         PR c++/70808
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>
1456         PR c++/85110
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
1461         within the decl.
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
1467         diagnostics.
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
1478         union.
1480 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
1482         PR c++/85227
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>
1509         PR c++/85194
1510         * parser.c (cp_parser_simple_declaration): For structured bindings,
1511         if *maybe_range_for_decl is NULL after parsing it, set it to
1512         error_mark_node.
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>
1527         PR c++/84269
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>
1548         PR c++/85210
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>
1554         PR c++/85021
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
1562         into..
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>
1576         PR c++/85209
1577         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1578         is not prev, if prev == decl.
1580         PR c++/85208
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
1591         constant value.
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>
1599         PR c++/80956
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>
1607         PR c++/84792
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>
1625         Implement P0969
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>
1631         Implement P0961
1632         * decl.c (get_tuple_decomp_init): Check the templatedness
1633         of a member get.
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>
1643         PR c++/84979
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
1656         sequence.
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>
1667         PR inline-asm/85172
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.
1673         PR c++/85146
1674         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1675         argument.
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
1681         end.
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
1700         return type.
1702         PR c++/85133 - ICE with missing concept initializer.
1703         * decl.c (cp_finish_decl): If a concept initializer is missing, use
1704         true.
1706         PR c++/85118 - wrong error with generic lambda and std::bind.
1707         * call.c (add_template_conv_candidate): Disable if there are any
1708         call operators.
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>
1719         PR c++/65923
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>
1725         PR c++/84943
1726         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1727         used.
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
1734         from a TARGET_EXPR.
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>
1742         PR c++/84768
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
1761         the default case.
1763 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
1765         PR c++/85147
1766         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1768         PR c++/85140
1769         * name-lookup.c (handle_namespace_attrs): Return early if attributes
1770         is error_mark_node.
1772         PR c++/85134
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
1781         into packs here.
1782         (cp_parser_parameter_declaration_list): Not here.
1784 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
1786         PR c++/85027
1787         * class.c (instantiate_type): Peel off SAVE_EXPR before
1788         BASELINK.
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>
1798         PR c++/84791
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>
1805         PR c++/84269
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
1813         need to be empty.
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>
1827         PR c++/85110
1828         * typeck.c (convert_for_assignment): When complaining due to
1829         conversions for an argument, attempt to use the location of the
1830         argument.
1832 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
1834         PR c++/85028
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>
1840         PR c++/84973
1841         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1842         templates.
1844         PR c++/84968
1845         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1847 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1849         PR c++/85067
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>
1855         PR c++/85077
1856         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1857         type call fold to generate VECTOR_CSTs when possible.
1859         PR c++/85076
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>
1870         PR c++/85068
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>
1877         PR c++/84632
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
1886         here.
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.
1896         PR c++/84489
1897         * pt.c (type_unification_real): Don't defer substitution failure.
1899 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1901         PR c++/85015
1902         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1903         result.
1905         PR c++/84942
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>
1911         PR c++/85045
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>
1918         Implement P0962
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>
1924         PR c++/85033
1925         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1927 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1929         PR c++/71251
1930         * parser.c (cp_parser_alias_declaration): Call
1931         parser_check_template_parameters.
1933         PR c++/84789
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.
1940         PR c++/84729
1941         * init.c (build_vec_init): Error at parenthesized array init.
1943         PR c++/84610
1944         PR c++/84642
1945         PR c++/84942
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>
1955         PR c++/84854
1956         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1957         is boolean.
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>
1970         PR c++/71965
1971         * init.c (build_vec_init): Silence error, former sorry,
1972         without tf_error.
1974         PR c++/84610
1975         PR c++/84642
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>
1984         PR c++/84972
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>
1990         PR c++/84961
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>
2001         PR c++/85008
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>
2007         PR c++/84994
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>
2018         PR c++/84804
2019         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2020         complete classes.
2022 2018-03-21  Martin Sebor  <msebor@redhat.com>
2024         PR c++/84850
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>
2031         PR c++/84892
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
2034         than a "T *const".
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.
2043         PR c++/84836
2044         * name-lookup.c (update_binding): Correct logic for local binding
2045         update.
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>
2069         PR c++/84962
2070         * name-lookup.c (pushdecl_class_level): Push anon-struct's
2071         member_vec, if there is one.
2073         PR c++/84970
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>
2086         PR c++/84925
2087         * pt.c (enclosing_instantiation_of): Check if fn is null.
2089         PR c++/84927
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
2093         unconditionally.
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>
2102         PR c++/84835
2103         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2104         * pt.c (build_template_decl): Propagate language linkage.
2106         PR c++/84812
2107         * name-lookup.c (set_local_extern_decl_linkage): Defend against
2108         ambiguous lookups.
2110 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2112         PR c/84910
2113         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2114         diagnostics.
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>
2139         PR c++/79937
2140         PR c++/82410
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
2157         ctor.
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
2163         dispatchere here.
2164         * call.c (build_over_call): Not here.
2166 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2168         PR c++/84874
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>
2174         PR c++/84222
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
2194         mark_used.
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.
2201         (unify): Likewise.
2203 2018-03-14  Marek Polacek  <polacek@redhat.com>
2205         PR c++/84596
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>
2218         PR c++/84843
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>
2246         PR c++/84808
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
2268         saw_undeduced == 1.
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>
2277         PR c++/71169
2278         PR c++/71832
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>
2297         PR c++/84076
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>
2306         PR c++/84724
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>
2313         PR c++/84733
2314         * name-lookup.c (do_pushdecl_with_scope): Only clear
2315         current_function_decl when pushing a non-class (i.e. namespace)
2316         scope.
2318 2018-03-08  Jason Merrill  <jason@redhat.com>
2319             Jakub Jelinek  <jakub@redhat.com>
2321         PR c++/80598
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>
2332         PR c++/84684
2333         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2334         arguments.
2336 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
2338         PR c++/84231
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.
2348         PR c++/84593
2349         * init.c (build_zero_init_1): Zero-initialize references.
2351         PR c++/84492
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
2359         context.
2361 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
2363         PR c++/84684
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>
2370         PR c++/84702
2371         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2373 2018-03-05  Marek Polacek  <polacek@redhat.com>
2375         PR c++/84707
2376         * decl.c (duplicate_decls): Check DECL_NAME before accessing
2377         UDLIT_OPER_P.
2379 2018-03-05  Nathan Sidwell  <nathan@acm.org>
2381         PR c++/84694
2382         * friend.c (do_friend): Restore check for identifier_p inside
2383         TEMPLATE_ID_EXPR.
2385 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
2387         PR c++/84618
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>
2395         PR c++/84497
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>
2405         PR c++/71464
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>
2411         PR c++/84578
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>
2423         PR c++/84663
2424         * decl.c (cp_complete_array_type): Check error_mark_node.
2426         PR c++/84664
2427         * typeck.c (cp_perform_integral_promotions): Check the result of
2428         mark_rvalue_use.
2430 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
2432         PR c++/84662
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>
2441         Fix MIPS16 ICE.
2442         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2444 2018-03-02  Marek Polacek  <polacek@redhat.com>
2446         PR c++/84590
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>
2452         PR c++/84294
2453         * decl.c (check_redeclaration_no_default_args): Merge attributes
2454         specified on redeclarations of the same function template.
2455         Remove dead code.
2457 2018-03-01  Marek Polacek  <polacek@redhat.com>
2458             Jason Merrill  <jason@redhat.com>
2460         PR c++/84582
2461         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2462         a template.
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>
2470         PR c++/84434
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>
2481         PR c++/84596
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
2492         variable template.
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>
2504         PR c++/84609
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):
2508         New functions.
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.
2513         PR c++/83871
2514         PR c++/83503
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
2518         is in %s argument.
2520 2018-02-28  Martin Sebor  <msebor@redhat.com>
2522         PR testsuite/84617
2523         * decl.c (duplicate_decls): Fully merge attributes const, pure,
2524         and malloc.
2526 2018-02-28  Nathan Sidwell  <nathan@acm.org>
2528         PR c++/84602
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
2537         inform_n.
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>
2545         PR c++/83871
2546         PR c++/83503
2547         * cp-tree.h (warn_spec_missing_attributes): New function.
2548         ((check_explicit_specialization): Add an argument.  Call the above
2549         function.
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>
2562         PR c++/84426
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
2567         NULL slot.
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
2584         variably-modified.
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>
2599         PR c++/84558
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>
2605         PR c++/84540
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>
2612         PR c++/84557
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>
2624         PR c++/84325
2625         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2626         non-types.
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>
2635         PR c++/84533
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>
2646         PR c++/84537
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>
2657         PR c++/83692
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
2675         VECTOR_TYPE.
2677 2018-02-22  Marek Polacek  <polacek@redhat.com>
2679         PR c++/84493
2680         * parser.c (cp_parser_braced_list): Use require_open instead of
2681         consume_open.
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
2691         IF_STMT.
2693 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
2695         PR c++/84446
2696         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2697         on error_mark_node.
2699 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
2701         PR c++/84445
2702         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2703         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2705         PR c++/84449
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.
2711         PR c++/84455
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>
2722         PR c++/84448
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.
2727         PR c++/84430
2728         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2730 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
2732         PR c++/84348
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>
2739         PR c++/84192
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
2760         NOP_EXPRs.
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
2775         friend.
2777 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
2779         PR c++/82468
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>
2785         PR c++/84375
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>
2806         PR c++/84330
2807         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2808         as first argument.
2810 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2812         PR c++/84350
2813         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2814         init, early return.
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
2820         vtables.
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>
2834         PR c++/84364
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>
2841         PR c++/84333
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
2853         lambda context.
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
2861         a pack expansion.
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>
2869         PR c++/84341
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>
2875         PR c++/84263
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>
2881         PR c++/84281
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>
2904         PR sanitizer/83987
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>
2915         PR c/84293
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.
2922         PR c++/83714
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>
2930         PR c++/83659
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>
2945         PR c++/83806
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
2952         formatting.
2954 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2956         PR c++/83204
2957         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2959 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2961         PR c++/84082
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>
2967         PR c++/81610
2968         PR c++/80567
2969         * name-lookup.c (suggest_rid_p): New function.
2970         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2971         suggest_rid_p.
2973 2018-02-07  Jason Merrill  <jason@redhat.com>
2975         PR c++/84182 - ICE with captured lambda
2976         PR c++/84181
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>
2982         PR c++/84059.
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
3015         COMPONENT_REF.
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>
3022         PR c++/84125
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
3029         PR c++/84036
3030         PR c++/82249
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>
3036         PR c++/83796
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>
3043         PR c++/83993
3044         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3045         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3046         on ADDR_EXPR.
3048 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
3050         PR c++/83993
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>
3058         PR c++/84092
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>
3064         PR c++/84138
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
3072         instantiation.
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
3081         !dofold.
3083 2018-01-29  Marek Polacek  <polacek@redhat.com>
3085         PR c++/83996
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
3098         deletedness.
3099         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3101         PR c++/84036 - ICE with variadic capture.
3102         PR c++/82249
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>
3116         PR c++/84031
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>
3129         PR c++/83921
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>
3144         PR c++/83974
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>
3150         PR sanitizer/83987
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>
3156         PR c++/83988
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>
3162         PR c++/83958
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
3171         cleared.
3172         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3173         cleanup handling.
3174         * semantics.c (begin_for_scope): Flag_new_for_scope is
3175         boolean-like.
3176         (finish_for_stmt, begin_range_for_stmt): Likewise.
3178 2018-01-22  Jason Merrill  <jason@redhat.com>
3180         PR c++/83720
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
3187         function.
3189 2018-01-22  Marek Polacek  <polacek@redhat.com>
3191         PR c++/81933
3192         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3193         split out anything.
3195 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
3197         PR c++/83895
3198         * decl.c (grokdeclarator): Don't diagnose extra parens
3199         on typedefs.
3201 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
3203         PR c++/81167
3204         * call.c (joust): Use TREE_TYPE (source) if source is
3205         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3207         PR c++/83919
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>
3218         PR c++/83714
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>
3236         PR c++/81013
3237         * decl.c (xref_basetypes): Early return upon error about derived
3238         union.
3240 2018-01-18  Nathan Sidwell  <nathan@acm.org>
3242         PR c++/83160
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>
3252         PR c++/83824
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>
3264         PR c++/78344
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>
3270         PR c++/83897
3271         * cp-gimplify.c (cp_maybe_instrument_return): Handle
3272         CLEANUP_POINT_EXPR.
3274 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
3276         PR c++/81054
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>
3283         PR c++/83287
3284         * init.c (build_raw_new_expr): Scan list for lookups to keep.
3286 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
3288         PR c++/83814
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.
3301         PR c++/72801
3302         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3303         template args.
3305 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
3307         PR c++/83799
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>
3315         PR c++/83739
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>
3326         PR c++/83817
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.
3331         PR c++/83825
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>
3339         PR c++/83588
3340         * class.c (find_flexarrays): Make a record of multiple flexible array
3341         members.
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
3352         mark_rvalue_use.
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
3358         PR c++/82799
3359         PR c++/83690
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>
3378         PR c++/43486
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
3424         to null_node_p.
3425         (build_address): Use location of operand when building address
3426         expression.
3428 2018-01-10  Marek Polacek  <polacek@redhat.com>
3430         PR c++/82541
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>
3437         PR c++/81327
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
3444         test.
3445         (build_over_call): Call maybe_warn_class_memaccess here on the
3446         original arguments.
3447         (build_cxx_call): Rather than here on converted arguments.
3449 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
3451         PR c++/81055
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>
3457         PR c++/83734
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
3466         VECTOR_CST_NELTS.
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>
3477         PR c++/83555
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>
3487         PR c++/83667
3488         * method.c (make_alias_for): Copy DECL_CONTEXT.
3490 2018-01-03  Marek Polacek  <polacek@redhat.com>
3492         PR c++/83592
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
3499         for builtin macros.
3501         PR c++/83634
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>
3509         PR c++/83556
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
3515         to cp_walk_tree.
3517 2018-01-02  Nathan Sidwell  <nathan@acm.org>
3519         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3520         lval var.
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.