P0646R1 Improving the Return Value of Erase-Like Algorithms I
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1 2018-07-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
3         PR c++/86398
4         * method.c (is_trivially_xible): Return false
5         if is_xible_helper returns a NULL_TREE.
7 2018-07-03  Paolo Carlini  <paolo.carlini@oracle.com>
9         * decl.c (min_location): New.
10         (smallest_type_quals_location): Use the latter.
11         (check_concept_fn): Use DECL_SOURCE_LOCATION.
12         (grokdeclarator): Use accurate locations in a number of error
13         messages involving ds_thread, ds_storage_class, ds_virtual,
14         ds_constexpr, ds_typedef and ds_friend; exploit min_location.
16 2018-07-03  Marek Polacek  <polacek@redhat.com>
18         PR c++/86201
19         * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
21 2018-07-03  Jason Merrill  <jason@redhat.com>
23         PR c++/86378 - functional cast in noexcept-specifier.
24         * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
26 2018-07-02  Paolo Carlini  <paolo.carlini@oracle.com>
28         * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
29         in error message about __thread and thread_local at the same time.
31 2018-06-29  Marek Polacek  <polacek@redhat.com>
33         PR c++/86184
34         * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
36 2018-06-28  David Malcolm  <dmalcolm@redhat.com>
38         * parser.c (cp_parser_error_1): After issuing a conflict marker
39         error, consume tokens until the end of the source line.
41 2018-06-28  Jason Merrill  <jason@redhat.com>
43         PR c++/86342 - -Wdeprecated-copy and system headers.
44         * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
45         in system headers.
47 2018-06-27  David Malcolm  <dmalcolm@redhat.com>
49         PR c++/86329
50         * name-lookup.c (consider_binding_level): Filter out names that
51         match anon_aggrname_p.
53 2018-06-27  Jason Merrill  <jason@redhat.com>
55         * name-lookup.c (do_pushtag): If we skip a class level, also skip
56         its template level.
58 2018-06-26  Jason Merrill  <jason@redhat.com>
60         PR c++/86320 - memory-hog with std::array of pair
61         * typeck2.c (process_init_constructor_array): Only compute a
62         constant initializer once.
64         PR c++/80290 - memory-hog with std::pair.
65         * pt.c (fn_type_unification): Add convs parameter.
66         (check_non_deducible_conversion): Remember conversion.
67         (check_non_deducible_conversions): New.  Do checks here.
68         (type_unification_real): Not here.  Remove flags parm.
69         * call.c (add_function_candidate): Make convs a parameter.
70         Don't recalculate the conversion if it's already set.
71         (add_template_candidate_real): Allocate convs here.
72         (good_conversion, conv_flags): New.
74 2018-06-26  Jakub Jelinek  <jakub@redhat.com>
76         PR c++/86291
77         * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
78         type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
80 2018-06-23  Paolo Carlini  <paolo.carlini@oracle.com>
82         * decl.c (bad_specifiers): Add const location_t* parameter and
83         use locations in error messages about 'inline' and 'virtual'.
84         (mark_inline_variable): Add location_t parameter and use it in
85         error_at and pedwarn messages.
86         (grokdeclarator): Use declspecs->locations[ds_constexpr],
87         declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
88         declspecs->locations[ds_inline] in many error messages; adjust
89         bad_specifiers and mark_inline_variable calls.
90         (grokvardecl): Use declspecs->locations[ds_concept] in error message.
92 2018-06-22  Jason Merrill  <jason@redhat.com>
94         PR c++/86219 - ICE with erroneous initializer in template.
95         * constexpr.c (fold_non_dependent_expr): Add complain parm.
96         * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
97         Pass it.
98         * call.c (build_cxx_call): Don't mess with builtins in a template.
99         * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
100         produce a constant value, go back to the uninstantiated form.
102         Avoid taking the address of something just because it's in parens.
103         * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
104         (cxx_fold_indirect_ref): Use it.
105         (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
106         * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
107         * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
108         static_cast to reference type.
109         (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
111 2018-06-21  Jason Merrill  <jason@redhat.com>
113         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
115         * name-lookup.c (do_push_to_top_level): Don't allocate
116         current_lang_base.
117         (do_pop_from_top_level): Release current_lang_base.
119         Let -fmem-report see callers of cxx_make_type.
120         * lex.c (cxx_make_type): Add MEM_STAT_DECL.
121         (make_class_type): Likewise.
122         (cxx_make_type_hook): New.
123         * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
125 2018-06-20  Nathan Sidwell  <nathan@acm.org>
127         PR c++/85634
128         * friend.c (add_friend): Keep lookup sets of tempate sets.
130 2018-06-20  Paolo Carlini  <paolo.carlini@oracle.com>
132         * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
133         tidy handling of a null location_t argument; use proper location
134         information in a few additional error messages.
135         (grokdeclarator): Update calls.
137 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
138             Thomas Schwinge <thomas@codesourcery.com>
139             Cesar Philippidis  <cesar@codesourcery.com>
141         * parser.c (cp_parser_omp_clause_name): Add support for finalize
142         and if_present. Make present_or_{copy,copyin,copyout,create} aliases
143         to their non-present_or_* counterparts. Make 'self' an alias to
144         PRAGMA_OACC_CLAUSE_HOST.
145         (cp_parser_oacc_data_clause): Update GOMP mappings for
146         PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
147         PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
148         (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
149         Remove support for present_or_* clauses.
150         (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
151         (OACC_PARALLEL_CLAUSE_MASK): Likewise.
152         (OACC_DECLARE_CLAUSE_MASK): Likewise.
153         (OACC_DATA_CLAUSE_MASK): Likewise.
154         (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
155         (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
156         (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
157         (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
158         * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
159         * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
161 2018-06-20  Marek Polacek  <polacek@redhat.com>
163         PR c++/86240
164         * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
165         (fold_simple_1): Likewise.
166         * error.c (dump_expr): Likewise.
168 2018-06-20  Nathan Sidwell  <nathan@acm.org>
170         PR c++/85634
171         * cp-tree.h (lookup_keep): Drop KEEP parm.
172         (lookup_list_keep): Delete.
173         (maybe_get_fns): Declare.
174         * parser.c (cp_parser_primary_expression): Call lookup_keep here.
175         (cp_parser_template_id): Not here ...
176         * decl.c (cp_finish_decl): ... nor here ...
177         * init.c (build_raw_new_expr): ... nor here ...
178         * pt.c (process_template_parm): ... nor here ...
179         * semantics.c (perform_koenig_lookup): Call lookup_keep.
180         (finish_call_expr): Not here.
181         * tree.c (ovl_cache): Delete.
182         (ovl_make, ovl_copy): No cache.
183         (lookup_keep): Always keep.
184         (lookup_list_keep): Delete.
185         (maybe_get_fns): New, broken out of ...
186         (get_fns): ... here.  Call it.
187         (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
188         (build_min_nt_call_vec): Likewise.
190 2018-06-19  Jason Merrill  <jason@redhat.com>
192         * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
193         * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
195         PR c++/86182 - ICE with anonymous union passed to template.
196         * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
197         used to declare a named variable.
199 2018-06-18  Jason Merrill  <jason@redhat.com>
201         * tree.c (cp_expr_location): New.
202         * cp-tree.h (cp_expr_loc_or_loc): New.
203         * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
204         error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
205         typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
207         * parser.c (cp_parser_lambda_expression): Use a range for
208         LAMBDA_EXPR_LOCATION.
210         PR c++/86200 - ICE with unexpanded pack in lambda parameter.
211         * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
212         function type.
214         PR c++/81060 - ICE with unexpanded parameter pack.
215         * pt.c (check_for_bare_parameter_packs): Add loc parameter.
216         * decl.c (grokdeclarator): Call it for qualifying_scope.
218         PR c++/86171 - ICE with recursive alias instantiation.
219         * pt.c (tsubst_decl): Handle recursive alias instantiation.
221 2018-06-18  Paolo Carlini  <paolo.carlini@oracle.com>
223         * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
224         in errors about redefined default arguments; tidy.
226 2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
228         * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
229         * cp-gimplify.c (cp_fold): Likewise.
231 2018-06-15  Jason Merrill  <jason@redhat.com>
233         PR c++/86147 - wrong capture for template argument.
234         * expr.c (mark_use): Look through NOP_EXPR.
236         * name-lookup.c (do_pushtag): Don't look through complete types, but
237         don't add to them either.  Get context from current_binding_level.
238         * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
240         * decl.c (start_enum): Do compare dependent underlying type.
242         PR c++/82882 - ICE with lambda in template default argument.
243         * lambda.c (record_null_lambda_scope): New.
244         * pt.c (tsubst_lambda_expr): Use it.
245         * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
246         function that isn't open.
248         * tree.c (maybe_warn_parm_abi): Inform the location of the class.
250 2018-06-14  Marek Polacek  <polacek@redhat.com>
252         PR c++/86063
253         * decl2.c (cp_check_const_attributes): Skip trees that are not
254         TREE_LISTs.
256 2018-06-14  Jakub Jelinek  <jakub@redhat.com>
258         P0624R2 - Default constructible and assignable stateless lambdas
259         * method.c (synthesized_method_walk): For C++2a don't mark
260         sfk_constructor or sfk_copy_assignment as deleted if lambda has
261         no lambda-captures.
263 2018-06-14  Paolo Carlini  <paolo.carlini@oracle.com>
265         * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
266         OPT_Wshadow warning_at.
267         (grokfndecl): Consistently use the location_t argument in
268         literal operator diagnostic messages.
269         (grokdeclarator): Use declspecs->locations[ds_storage_class]
270         in error_at call.
271         * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
272         in permerror call.
274 2018-06-13  Jason Merrill  <jason@redhat.com>
276         PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
277         * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
278         constructors.
280         PR c++/86094 - wrong code with defaulted move ctor.
281         * class.c (classtype_has_non_deleted_move_ctor): New.
282         * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
283         Handle v12 breakage.
285 2018-06-12  Jason Merrill  <jason@redhat.com>
287         PR c++/86098 - ICE with template placeholder for TTP.
288         * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
289         CLASS_PLACEHOLDER_TEMPLATE.
291 2018-06-12  Paolo Carlini  <paolo.carlini@oracle.com>
293         * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
294         parameter and adjust error_at calls.
295         * decl.c (grok_op_properties): Adjust calls.
296         * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
298 2018-06-12  Marek Polacek  <polacek@redhat.com>
300         Core issue 1331 - const mismatch with defaulted copy constructor
301         * class.c (check_bases_and_members): When checking a defaulted
302         function, mark it as deleted rather than giving an error.
304 2018-06-11  Jason Merrill  <jason@redhat.com>
306         PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
307         * class.c (maybe_warn_about_overly_private_class): Handle inherited
308         constructors.
310         PR c++/85963 - -Wunused-but-set with ?: in template.
311         * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
313 2018-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
315         * decl.c (grok_op_properties): Consistently use the location
316         of the decl; remove special casing of POSTINCREMENT_EXPR and
317         POSTDECREMENT_EXPR wrt default arguments.
319 2018-06-05  Jason Merrill  <jason@redhat.com>
321         * constexpr.c (cxx_eval_binary_expression): Special case comparison
322         of pointers to members of the same union.
324 2018-06-11  Jason Merrill  <jason@redhat.com>
326         PR c++/86094 - wrong code with defaulted move ctor.
327         * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
329 2018-06-10  Paolo Carlini  <paolo.carlini@oracle.com>
331         * decl.c (grokfndecl): Use the location_t argument in two more places.
333 2018-06-06  Marek Polacek  <polacek@redhat.com>
335         PR c++/85977
336         * pt.c (unify): If ELTTYPE has no deducible template parms, skip
337         deduction from the list elements.
338         (type_unification_real): Check convertibility of list elements.
340 2018-06-06  Jason Merrill  <jason@redhat.com>
342         PR c++/86060 - ICE on range for with -std=c++98.
343         * parser.c (cp_parser_init_statement): Don't clobber *decl after
344         pedwarn.
346         PR c++/85710 - ICE with -Wmemset-elt-size.
347         * semantics.c (finish_call_expr): Call warn_for_memset here.
348         * parser.c (cp_parser_postfix_expression): Not here.
349         (literal_integer_zerop): No longer static.
350         * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
352 2018-06-05  Marek Polacek  <polacek@redhat.com>
354         PR c++/85976
355         * tree.c (cp_tree_equal): Handle USING_DECL.
357 2018-06-05  Jason Merrill  <jason@redhat.com>
359         PR c++/85731 - wrong error with qualified-id in template.
360         * semantics.c (finish_qualified_id_expr): build_qualified_name
361         for unbound names in the current class.
363 2018-06-04  Jason Merrill  <jason@redhat.com>
365         PR c++/61806 - missed SFINAE with partial specialization.
366         * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
367         parameter to constructor.
368         * pt.c (instantiate_class_template_1): Enable access checking
369         before call to most_specialized_partial_spec.
371         PR c++/85765 - SFINAE and non-type default template arg.
372         * pt.c (type_unification_real): Do full semantic processing if
373         substituting a partial args list replaces all template parms.
375 2018-06-03  Jason Merrill  <jason@redhat.com>
377         PR c++/85739 - ICE with pointer to member template parm.
378         * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
380 2018-06-02  Jason Merrill  <jason@redhat.com>
382         PR c++/85761 - ICE with ill-formed use of const outer variable.
383         * expr.c (mark_use): Handle location wrappers.
385 2018-06-01  Jason Merrill  <jason@redhat.com>
387         PR c++/85764 - bogus 'this' not captured error.
388         * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
389         (nonlambda_method_basetype): Handle NSDMI.
391         CWG 1581: When are constexpr member functions defined?
392         * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
393         (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
395         PR c++/58281 - explicit instantiation of constexpr
396         * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
398         * pt.c (instantiate_decl): Any defaulted function is defined.
400 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
402         PR c++/77777
403         * call.c (resolve_args): Use location of expression, not current input
404         location.
406 2018-05-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
408         Do not warn about zero-as-null when NULL is used.
409         * call.c (conversion_null_warnings): Check for pointer
410         types converted from zero constants.
411         (convert_like_real): Add a warning sentinel at the end.
412         * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
413         check null_node_p.
415 2018-05-30  Jason Merrill  <jason@redhat.com>
417         PR c++/85807 - ICE with call in template NSDMI.
418         * init.c (get_nsdmi): Use push_to/pop_from_top_level.
419         * tree.c (bot_manip): Don't set_flags_from_callee in a template.
421         PR c++/85873 - constant initializer_list array not in .rodata.
422         * tree.c (build_target_expr): Set TREE_READONLY.
423         * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
425         * parser.c (cp_parser_check_condition_declarator): Handle
426         cp_error_declarator.
428 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
430         * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
431         of using it in dead store.
433 2018-05-29  Jason Merrill  <jason@redhat.com>
435         PR c++/67445 - returning temporary initializer_list.
436         PR c++/67711 - assigning from temporary initializer_list.
437         PR c++/48562 - new initializer_list.
438         * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
439         about returning local initializer_list.
440         * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
441         * call.c (build_over_call): Warn about assignment from temporary
442         init_list.
443         * init.c (build_new_1): Warn about 'new std::initializer_list'.
444         (find_list_begin, maybe_warn_list_ctor): New.
445         (perform_member_init): Use maybe_warn_list_ctor.
447 2018-05-29  Marek Polacek  <polacek@redhat.com>
449         PR c++/85883
450         * init.c (build_new): Handle deducing a class with new
451         with more than one argument.
453 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
455         PR c++/85952
456         * init.c (build_aggr_init): For structured binding initialized from
457         array call mark_rvalue_use on the initializer.
459 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
461         * decl2.c (start_static_storage_duration_function): Use
462         splay_tree_delete_pointers.
464 2018-05-25  Jason Merrill  <jason@redhat.com>
466         PR c++/85815 - reference to member of enclosing template.
467         * search.c (lookup_base): Use currently_open_class.
468         (lookup_member): Use it regardless of -fconcepts.
469         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
471         CWG 616, 1213 - value category of subobject references.
472         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
474 2018-05-24  Jason Merrill  <jason@redhat.com>
476         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
477         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
478         generic lambda.
480 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
482         Pedwarn on a non-standard position of a C++ attribute.
483         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
484         after the namespace name.
486 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
488         * cp-tree.h (INDIRECT_TYPE_P): New.
489         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
490         joust): Use it instead of POINTER_TYPE_P.
491         * class.c (update_vtable_entry_for_fn, find_flexarrays,
492         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
493         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
494         * cxx_eval_increment_expression, potential_constant_expression_1):
495         Likewise.
496         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
497         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
498         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
499         cp_ubsan_maybe_instrument_downcast): Likewise.
500         * cvt.c (cp_convert_to_pointer, ocp_convert,
501         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
502         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
503         pp_cxx_offsetof_expression_1): Likewise.
504         * decl.c (grokparms, static_fn_type): Likewise.
505         * decl2.c (grokbitfield): Likewise.
506         * error.c (dump_expr): Likewise.
507         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
508         * init.c (warn_placement_new_too_small): Likewise.
509         * lambda.c (build_capture_proxy, add_capture): Likewise.
510         * parser.c (cp_parser_omp_for_loop): Likewise.
511         * pt.c (convert_nontype_argument, fn_type_unification,
512         uses_deducible_template_parms, check_cv_quals_for_unify,
513         dependent_type_p_r): Likewise.
514         * search.c (check_final_overrider): Likewise.
515         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
516         finish_omp_for): Likewise.
517         * tree.c (cp_build_qualified_type_real): Likewise.
518         * typeck.c (build_class_member_access_expr,
519         finish_class_member_access_expr, build_x_indirect_ref,
520         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
521         Likewise.
523 2018-05-24  Jason Merrill  <jason@redhat.com>
525         PR c++/85864 - literal template and default template arg.
526         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
528 2018-05-24  Marek Polacek  <polacek@redhat.com>
530         PR c++/85847
531         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
532         variable for its result.  Fix a condition.
533         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
535 2018-05-23  Jason Merrill  <jason@redhat.com>
537         Fix cast to rvalue reference from prvalue.
538         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
539         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
540         non-class type.  Handle xvalue argument.
541         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
542         rvalue reference.
543         * semantics.c (finish_compound_literal): Do direct-initialization,
544         not cast, to initialize a reference.
546         CWG 616, 1213 - value category of subobject references.
547         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
548         an xvalue.
549         * typeck2.c (build_m_component_ref): Likewise.
550         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
551         distinction between temporary and xvalue.
553 2018-05-23  Marek Polacek  <polacek@redhat.com>
555         Implement P0614R1, Range-based for statements with initializer.
556         * parser.c (cp_parser_range_based_for_with_init_p): New.
557         (cp_parser_init_statement): Use it.  Parse the optional init-statement
558         for a range-based for loop.
559         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
561 2018-05-22  Jason Merrill  <jason@redhat.com>
563         PR c++/81420 - not extending temporary lifetime.
564         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
565         * class.c (build_base_path): Avoid redundant move of an rvalue.
567         PR c++/85866 - error with .* in default template arg.
568         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
570 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
572         * parser.c (cp_parser_parameter_declaration_list): Remove
573         bool* parameter.
574         (cp_parser_parameter_declaration_clause): Adjust.
575         (cp_parser_cache_defarg): Likewise.
577 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
579         PR c++/84588
580         * parser.c (cp_parser_maybe_commit_to_declaration,
581         cp_parser_check_condition_declarator): New.
582         (cp_parser_simple_declaration): Use the first above.
583         (cp_parser_condition): Use both the above; enforce
584         [stmt.stmt]/2 about the declarator not specifying
585         a function or an array; improve error-recovery.
587 2018-05-20  Jason Merrill  <jason@redhat.com>
589         PR libstdc++/85843 - warning in logic_error copy constructor.
590         * class.c (type_has_user_nondefault_constructor): Check for a
591         user-provided ctor, not user-declared.
593 2018-05-19  Jason Merrill  <jason@redhat.com>
595         * pt.c (tsubst_pack_expansion): Sorry rather than abort
596         on __integer_pack as subexpression of pattern.
598 2018-05-18  Jason Merrill  <jason@redhat.com>
600         PR c++/58407 - deprecated implicit copy ops.
601         * call.c (build_over_call): Warn about deprecated trivial fns.
602         * class.c (classtype_has_user_copy_or_dtor): New.
603         (type_build_ctor_call): Check TREE_DEPRECATED.
604         (type_build_dtor_call): Likewise.
605         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
606         Add checks.  Return bool.  Handle -Wdeprecated-copy.
607         (mark_used): Use it.
608         * decl.c (grokdeclarator): Remove redundant checks.
609         * typeck2.c (build_functional_cast): Likewise.
610         * method.c (lazily_declare_fn): Mark deprecated copy ops.
611         * init.c (build_aggr_init): Only set TREE_USED if there are
612         side-effects.
614 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
616         PR c++/85782
617         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
618         OACC_LOOPs.
620 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
622         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
623         (potential_constant_expression_1): Likewise.
625 2018-05-16  Marek Polacek  <polacek@redhat.com>
627         PR c++/85363
628         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
629         * tree.c (bot_manip): Call set_flags_from_callee for
630         AGGR_INIT_EXPRs too.
632 2018-05-15  Jason Merrill  <jason@redhat.com>
634         * cp-tree.h (cp_expr): Remove copy constructor.
635         * mangle.c (struct releasing_vec): Declare copy constructor.
637         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
639         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
640         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
641         is a throw-expression.
643 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
645         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
646         (FOR_EACH_CLONE): Update.
647         * decl.c (grokdeclarator): Use it.
648         * decl2.c (vague_linkage_p): Likewise.
649         * mangle.c (mangle_decl): Likewise.
650         * method.c (lazily_declare_fn): Likewise.
651         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
652         * repo.c (repo_emit_p): Likewise.
653         * tree.c (decl_linkage): Likewise.
655 2018-05-14  Jason Merrill  <jason@redhat.com>
657         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
658         * tree.c (build_cp_fntype_variant): New.
659         (build_ref_qualified_type, build_exception_variant)
660         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
661         (cxx_type_hash_eq, cp_check_qualified_type): Check
662         TYPE_HAS_LATE_RETURN_TYPE.
663         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
664         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
665         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
666         (adjust_clone_args): Likewise.
667         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
668         build_cp_fntype_variant.
669         (grokdeclarator): Pass late_return_type_p to grokfndecl.
670         (check_function_type): Use cxx_copy_lang_qualifiers.
671         (static_fn_type): Use cxx_copy_lang_qualifiers.
672         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
673         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
674         (change_return_type): Use cxx_copy_lang_qualifiers.
675         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
676         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
677         return type on the declarator like a normal trailing return type.
678         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
679         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
680         * typeck.c (merge_types): Use build_cp_fntype_variant.
682 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
684         * cp-tree.h (TYPE_REF_P): New.
685         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
686         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
687         direct_reference_binding, reference_binding, implicit_conversion,
688         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
689         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
690         build_over_call, perform_implicit_conversion_flags,
691         extend_ref_init_temps, type_has_extended_temps): Use it.
692         * class.c (one_inheriting_sig, check_field_decls,
693         check_bases_and_members, find_flexarrays, finish_struct,
694         fixed_type_or_null): Likewise.
695         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
696         non_const_var_error, cxx_eval_constant_expression,
697         potential_constant_expression_1): Likewise.
698         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
699         cp_genericize_r, cxx_omp_privatize_by_reference,
700         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
701         cp_fold_maybe_rvalue): Likewise.
702         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
703         * cvt.c (build_up_reference, convert_to_reference,
704         convert_from_reference, convert_to_void, noexcept_conv_p,
705         fnptr_conv_p): Likewise.
706         * decl.c (poplevel, check_for_uninitialized_const_var,
707         check_initializer, initialize_local_var, cp_finish_decl,
708         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
709         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
710         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
711         decl_maybe_constant_var_p): Likewise.
712         * error.c (dump_type_prefix, dump_expr): Likewise.
713         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
714         is_admissible_throw_operand_or_catch_parameter): Likewise.
715         * expr.c (mark_use): Likewise.
716         * init.c (build_zero_init_1, build_value_init_noctor,
717         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
718         build_new, build_delete): Likewise.
719         * lambda.c (build_lambda_object): Likewise.
720         * mangle.c (write_expression, write_template_arg): Likewise.
721         * method.c (forward_parm, do_build_copy_constructor,
722         do_build_copy_assign, build_stub_object, constructible_expr,
723         walk_field_subobs): Likewise.
724         * parser.c (cp_parser_omp_for_loop_init,
725         cp_parser_omp_declare_reduction_exprs,
726         cp_parser_omp_declare_reduction): Likewise.
727         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
728         convert_template_argument, tsubst_pack_expansion,
729         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
730         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
731         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
732         value_dependent_expression_p, build_deduction_guide): Likewise.
733         * semantics.c (finish_handler_parms, finish_non_static_data_member,
734         finish_compound_literal, omp_privatize_field,
735         handle_omp_array_sections_1, handle_omp_array_sections,
736         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
737         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
738         finish_omp_clauses, finish_decltype_type, capture_decltype,
739         finish_builtin_launder): Likewise.
740         * tree.c (lvalue_kind, cp_build_reference_type, move,
741         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
742         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
743         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
744         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
745         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
746         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
747         convert_for_initialization,
748         maybe_warn_about_returning_address_of_local, check_return_expr,
749         cp_type_quals, casts_away_constness, non_reference): Likewise.
750         * typeck2.c (cxx_readonly_error, store_init_value,
751         process_init_constructor_record, build_x_arrow, build_functional_cast,
752         add_exception_specifier): Likewise.
754 2018-05-14  Jason Merrill  <jason@redhat.com>
756         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
757         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
759 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
761         PR c/85696
762         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
763         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
764         cxx_omp_predetermined_sharing_1.  Rename old function to ...
765         (cxx_omp_predetermined_sharing_1): ... this.
766         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
767         instead of cxx_omp_predetermined_sharing.
769 2018-05-10  Jason Merrill  <jason@redhat.com>
771         * decl.c (cp_finish_decl): Don't instantiate auto variable.
772         (check_static_variable_definition): Allow auto.
773         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
775         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
776         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
778         Core issue 2310 - conversion to base of incomplete type.
779         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
781         CWG 2267 - list-initialization of reference temporary
782         * call.c (reference_binding): List-initializing a reference
783         temporary is copy-list-initialization.
785         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
787         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
788         instantiation in template context.
790         * class.c (vbase_has_user_provided_move_assign): Use
791         user_provided_p.
793         * lambda.c (lambda_expr_this_capture): Improve logic.
795         * decl.c (make_typename_type): s/parameters/arguments/.
796         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
797         * pt.c (make_pack_expansion): Correct error message.
799 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
801         PR c++/85662
802         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
803         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
804         fold_convert.
806 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
808         PR c++/85400
809         * decl2.c (adjust_var_decl_tls_model): New static function.
810         (comdat_linkage): Call it on a variable.
811         (maybe_make_one_only): Likewise.
813 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
815         PR c++/85713
816         Revert:
817         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
819         PR c++/84588
820         * parser.c (cp_parser_parameter_declaration_list): When the
821         entire parameter-declaration-list is erroneous maybe call
822         abort_fully_implicit_template.
824 2018-05-08  Jason Merrill  <jason@redhat.com>
826         PR c++/85706 - class deduction under decltype
827         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
828         *walk_subtrees whether or not we walked into the operand.
829         (type_uses_auto): Only look at deduced contexts.
831 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
833         PR c++/84588
834         * parser.c (cp_parser_parameter_declaration_list): When the
835         entire parameter-declaration-list is erroneous maybe call
836         abort_fully_implicit_template.
838 2018-05-08  Marek Polacek  <polacek@redhat.com>
840         PR c++/85695
841         * semantics.c (finish_if_stmt_cond): See through typedefs.
843 2018-05-07  Jason Merrill  <jason@redhat.com>
845         PR c++/85646 - lambda visibility.
846         * decl2.c (determine_visibility): Don't mess with template arguments
847         from the containing scope.
848         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
849         thunk.
851 2018-05-07  Nathan Sidwell  <nathan@acm.org>
853         Remove fno-for-scope
854         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
855         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
856         (SET_DECL_SHADOWED_FOR_VAR): Delete.
857         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
858         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
859         Don't declare.
860         * name-lookup.h (struct cp_binding_level): Remove
861         dead_vars_from_for field.
862         * cp-lang.c (cp_init_ts): Delete.
863         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
864         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
865         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
866         (init_shadowed_var_for_decl): Delete.
867         * decl.c (poplevel): Remove shadowed for var handling.
868         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
869         * name-lookup.c (find_local_binding): Remove shadowed for var
870         handling.
871         (check_local_shadow): Likewise.
872         (check_for_out_of_scope_variable): Delete.
873         * parser.c (cp_parser_primary_expression): Remove shadowed for var
874         handling.
875         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
876         * semantics.c (begin_for_scope): Always have a scope.
877         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
878         (begin_range_for_stmt, finish_id_expression): Likewise.
880 2018-05-07  Jason Merrill  <jason@redhat.com>
882         PR c++/85618 - ICE with initialized VLA.
883         * tree.c (vla_type_p): New.
884         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
885         rather than array_of_runtime_bound_p.
887 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
889         * cvt.c (ocp_convert): Early handle the special case of a
890         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
892 2018-05-03  Jason Merrill  <jason@redhat.com>
894         PR c++/85600 - virtual delete failure.
895         * init.c (build_delete): Always save_expr when deleting.
897 2018-05-03  Nathan Sidwell  <nathan@acm.org>
899         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
900         * name-lookup.c (do_pushdecl): Likewise.
902 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
903             Jason Merrill  <jason@redhat.com>
905         PR c++/68374
906         * name-lookup.c (check_local_shadow): Don't handle static old
907         declarations in the block handling locals shadowing locals.
909 2018-05-01  Jason Merrill  <jason@redhat.com>
911         PR c++/85587 - error with scoped enum in template.
912         * semantics.c (finish_qualified_id_expr): Don't return an
913         unqualified IDENTIFIER_NODE.
915 2018-04-30  Jason Merrill  <jason@redhat.com>
917         PR c++/85580 - extern "C" and local variables
918         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
920         PR c++/84701 - unsigned typeof.
921         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
922         of long/short/signed/unsigned.
924         PR c++/85305 - pack in lambda init-capture.
925         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
926         check_for_bare_parameter_packs in a subexpression.
927         (cp_parser_lambda_introducer): Use it.
929         PR c++/61982 - dead stores to destroyed objects.
930         * call.c (build_trivial_dtor_call): New, assigns a clobber.
931         (build_over_call, build_special_member_call): Use it.
932         * cp-tree.h: Declare it.
933         * init.c (build_delete): Remove trivial path.
935         * init.c (build_dtor_call): Use build_special_member_call.
936         (build_delete): Remove redundant uses of save_addr.
938         * decl.c (build_clobber_this): Use build_clobber.
940 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
942         PR c++/85553
943         * init.c (build_zero_init_1): For zero initialization of
944         NULLPTR_TYPE_P type use build_int_cst directly.
946 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
948         PR c++/85515
949         * name-lookup.c (consider_binding_level): Skip compiler-generated
950         variables.
951         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
952         nested if statements into a series of rejection tests.  Reject
953         lambda-ignored entities as suggestions.
955 2018-04-27  Jason Merrill  <jason@redhat.com>
957         * cvt.c (cp_fold_convert): Use convert_ptrmem.
958         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
960 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
962         PR c++/84691
963         * decl.c (grokdeclarator): Clear friendp upon definition in local
964         class definition error.
966 2018-04-27  Jason Merrill  <jason@redhat.com>
968         PR c++/85545 - ICE with noexcept PMF conversion.
969         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
970         build_ptrmemfunc.
971         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
972         adjustment.
973         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
975 2018-04-27  Nathan Sidwell  <nathan@acm.org>
977         * typeck.c (convert_ptrmem): Move local var decls to initialization.
979         * cp-tree.h (TEMPLATE_INFO): Fix comments.
980         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
981         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
982         (dump, print_other_binding_stacks): Remove declarations.
983         * name-lookup.c (print_other_binding_stack): Make static.
984         * pt.c (build_template_decl): Make static.
986 2018-04-26  Jason Merrill  <jason@redhat.com>
988         PR c++/85545 - ICE with noexcept PMF conversion.
989         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
991 2018-04-25  Nathan Sidwell  <nathan@acm.org>
993         PR c++/85437
994         PR c++/49171
995         * cp-tree.h (REINTERPRET_CAST_P): New.
996         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
997         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
998         for non-trivial PTRMEM_CST cases.
999         * typeck.c (build_nop_reinterpret): New.
1000         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
1001         NOP_EXPRs returned by cp_convert.
1003 2018-04-23  Jason Merrill  <jason@redhat.com>
1005         PR c++/69560 - wrong alignof(double) on x86.
1006         CWG 1879 - Inadequate definition of alignment requirement.
1007         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1008         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1009         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1010         (cxx_alignof_expr): Pass it.
1011         * parser.c (cp_parser_unary_expression): Pass it.
1012         * pt.c (tsubst_copy): Copy it.
1013         (tsubst_copy_and_build): Pass it.
1014         * decl.c (fold_sizeof_expr): Pass it.
1016 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
1017             Jason Merrill  <jason@redhat.com>
1019         PR c++/85470 - wrong error with static data member.
1020         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1021         * typeck2.c (store_init_value): Likewise.
1023 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
1025         PR c++/85462
1026         * cp-tree.h (tinst_level): Remove in_system_header_p member,
1027         change refcount member from unsigned char to unsigned short,
1028         add refcount_infinity static data member, adjust comments.
1029         * pt.c (tinst_level::refcount_infinity): Define.
1030         (inc_refcount_use): Remove assert, don't increment if refcount
1031         is already refcount_infinity, adjust comment.
1032         (dec_refcount_use): Remove assert, don't decrement if refcount
1033         is refcount_infinity, adjust comment.
1034         (push_tinst_level_loc): Formatting fix.
1036 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
1038         PR c++/84611
1039         * pt.c (lookup_template_class_1): Check pushtag return value for
1040         error_mark_node.
1042 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
1044         PR c++/80290
1045         * cp-tree.h (tinst_level::free): Fix whitespace.
1047 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
1049         PR c++/84630
1050         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1051         for error_mark_node.
1053 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
1055         PR c++/84463
1056         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1057         tricks from here to ...
1058         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
1059         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1061 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
1063         PR c++/80290
1064         * cp-tree.h (struct tinst_level): Split decl into tldcl and
1065         targs.  Add private split_list_p, tree_list_p, and not_list_p
1066         inline const predicates; to_list private member function
1067         declaration; free public member function declaration; list_p,
1068         get_node and maybe_get_node accessors, and refcount data
1069         member.  Narrow errors to unsigned short.
1070         * error.c (print_instantiation_full_context): Use new
1071         accessors.
1072         (print_instantiation_partial_context_line): Likewise.  Drop
1073         const from tinst_level-typed parameter.
1074         * mangle.c (mangle_decl_string): Likewise.
1075         * pt.c (freelist): New template class.
1076         (tree_list_freelist_head): New var.
1077         (tree_list_freelist): New fn, along with specializations.
1078         (tinst_level_freelist_head): New var.
1079         (pending_template_freelist_head): Likewise.
1080         (tinst_level_freelist, pending_template_freelist): New fns.
1081         (tinst_level::to_list, tinst_level::free): Define.
1082         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1083         (set_refcount_ptr): New template fn.
1084         (add_pending_template): Adjust for refcounting, freelists and
1085         new accessors.
1086         (neglectable_inst_p): Take a NULL d as a non-DECL.
1087         (limit_bad_template_recursion): Use new accessors.
1088         (push_tinst_level): New overload to create the list.
1089         (push_tinst_level_loc): Make it static, split decl into two
1090         args, adjust tests and initialization to cope with split
1091         lists, use freelist, adjust for refcounting.
1092         (push_tinst_level_loc): New wrapper with the old interface.
1093         (pop_tinst_level): Adjust for refcounting.
1094         (record_last_problematic_instantiation): Likewise.
1095         (reopen_tinst_level): Likewise.  Use new accessors.
1096         (instantiate_alias_template): Adjust for split list.
1097         (fn_type_unification): Likewise.
1098         (get_partial_spec_bindings): Likewise.
1099         (instantiate_pending_templates): Use new accessors.  Adjust
1100         for refcount.  Release pending_template to freelist.
1101         (instantiating_current_function_p): Use new accessors.
1103 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
1105         PR c++/85039
1106         * parser.c (cp_parser_builtin_offset): Reject type definitions.
1107         * mangle.c (nested_anon_class_index): Avoid crash returning -1
1108         if we've seen errors.
1110 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
1112         PR c++/85385
1113         * name-lookup.c (macro_use_before_def::maybe_make): New function,
1114         checking that the use is indeed before the definition.
1115         (macro_use_before_def::macro_use_before_def): Make private.
1116         (macro_use_before_def::~macro_use_before_def): Make private.  Move
1117         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1118         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1119         than using new directly.
1121 2018-04-12  Jason Merrill  <jason@redhat.com>
1123         PR c++/85356 - ICE with pointer to member function.
1124         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1125         flag_noexcept_type.  Build the new spec within the function context.
1126         * except.c (build_noexcept_spec): Do get constant value in templates
1127         if flag_noexcept_type.
1128         * decl.c (check_redeclaration_exception_specification): Don't
1129         instantiate noexcept on a dependent declaration.
1131 2018-04-12  Marek Polacek  <polacek@redhat.com>
1133         PR c++/85258
1134         * constexpr.c (reduced_constant_expression_p): Return false for null
1135         trees.
1137 2018-04-11  Marek Polacek  <polacek@redhat.com>
1139         PR c++/85032
1140         * constexpr.c (potential_constant_expression_1): Consider conversions
1141         from classes to literal types potentially constant.
1143 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
1145         PR c++/70808
1146         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1147         the type like TYPE_PTR_OR_PTRMEM_P.
1149 2018-04-10  Jason Merrill  <jason@redhat.com>
1151         PR debug/65821 - wrong location for main().
1152         * call.c (clear_location_r, convert_default_arg): Revert.
1153         * tree.c (break_out_target_exprs): Add clear_location parm.
1154         (struct bot_data): New.
1155         (bot_manip): Clear location if requested.
1156         * init.c (get_nsdmi): Pass clear_location.
1158 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
1160         PR c++/85110
1161         * call.c (get_fndecl_argument_location): Make non-static.
1162         * cp-tree.h (get_fndecl_argument_location): New decl.
1163         * typeck.c (convert_for_assignment): When complaining due to
1164         conversions for an argument, show the location of the parameter
1165         within the decl.
1167 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
1169         PR c++/85312 - P0962 cleanup
1170         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1171         diagnostics.
1173 2018-04-10  Jason Merrill  <jason@redhat.com>
1175         PR debug/65821 - wrong location for main().
1176         * call.c (clear_location_r): New.
1177         (convert_default_arg): Use it.
1178         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1180         PR c++/85285 - ICE with flexible array after substitution.
1181         * pt.c (instantiate_class_template_1): Check for flexible array in
1182         union.
1184 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
1186         PR c++/85227
1187         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1188         issue a pedwarn and defer trying to do bindings.
1190 2018-04-09  Jason Merrill  <jason@redhat.com>
1192         PR c++/85279 - dump_expr doesn't understand decltype.
1193         * error.c (dump_expr): Handle DECLTYPE_TYPE.
1195         PR c++/85262 - ICE with redundant qualification on constructor.
1196         * call.c (build_new_method_call_1): Move make_args_non_dependent
1197         after A::A() handling.
1199         PR c++/85277 - ICE with invalid offsetof.
1200         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1201         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1203         PR c++/85264 - ICE with excess template-parameter-list.
1204         * parser.c (cp_parser_check_template_parameters): Add template_id_p
1205         parameter.  Don't allow an extra template header if true.
1206         (cp_parser_class_head): Pass template_id_p.
1207         (cp_parser_elaborated_type_specifier): Likewise.
1208         (cp_parser_alias_declaration): Likewise.
1209         (cp_parser_check_declarator_template_parameters): Likewise.
1211 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
1213         PR c++/85194
1214         * parser.c (cp_parser_simple_declaration): For structured bindings,
1215         if *maybe_range_for_decl is NULL after parsing it, set it to
1216         error_mark_node.
1218 2018-04-09  Jason Merrill  <jason@redhat.com>
1220         PR c++/85256 - ICE capturing pointer to VLA.
1221         * lambda.c (add_capture): Distinguish between variable-size and
1222         variably-modified types.
1224 2018-04-06  Jason Merrill  <jason@redhat.com>
1226         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1227         * pt.c (extract_locals_r): Remember local typedefs.
1229 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1231         PR c++/84269
1232         * name-lookup.c (struct std_name_hint): Move out of
1233         get_std_name_hint; add field "min_dialect".
1234         (get_std_name_hint): Add min_dialect values to all initializers.
1235         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1236         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1237         <shared_mutex>, <string_view>, <thread>, and <variant>.
1238         Add fstream, ifstream, and ofstream to <fstream>.
1239         Add istringstream, ostringstream, and stringstream to <sstream>.
1240         Add basic_string to <string>.
1241         Add tuple_element and tuple_size to <tuple>.
1242         Add declval to <utility>.
1243         Fix ordering of <queue> and <tuple>.
1244         Return a std_name_hint, rather than a const char *.
1245         (get_cxx_dialect_name): New function.
1246         (maybe_suggest_missing_std_header): Detect names that aren't yet
1247         available in the current dialect, and instead of suggesting a
1248         missing #include, warn about the dialect.
1250 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
1252         PR c++/85210
1253         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1254         errorcount is set if tsubst doesn't return a VAR_DECL.
1256 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1258         PR c++/85021
1259         * name-lookup.c (using_directives_contain_std_p): New function.
1260         (has_using_namespace_std_directive_p): New function.
1261         (suggest_alternatives_for): Simplify if/else logic using early
1262         returns.  If no candidates were found, and there's a
1263         "using namespace std;" directive, call
1264         maybe_suggest_missing_std_header.
1265         (maybe_suggest_missing_header): Split later part of the function
1266         into..
1267         (maybe_suggest_missing_std_header): New.
1269 2018-04-06  Jason Merrill  <jason@redhat.com>
1271         PR c++/85242 - ICE with class definition in template parm.
1272         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1273         processing_template_parmlist.
1275         PR c++/85240 - LTO ICE with using of undeduced auto fn.
1276         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1278 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
1280         PR c++/85209
1281         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1282         is not prev, if prev == decl.
1284         PR c++/85208
1285         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1286         maybe_apply_pragma_weak here...
1287         (cp_maybe_mangle_decomp): ... but call it here instead.
1289 2018-04-05  Jason Merrill  <jason@redhat.com>
1291         PR c++/85136 - ICE with designated init in template.
1292         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1293         designated initializer.
1294         (check_array_designated_initializer): Update ce->index with the
1295         constant value.
1297         PR c++/83808 - ICE with VLA initialization.
1298         * typeck2.c (process_init_constructor_array): Don't require a VLA
1299         initializer to have VLA type.
1301 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
1303         PR c++/80956
1304         * call.c (convert_like_real): Fail gracefully for a broken
1305         std::initializer_list, missing a definition.
1307         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1309 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
1311         PR c++/84792
1312         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1313         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1315 2018-04-05  Jason Merrill  <jason@redhat.com>
1317         PR c++/82152 - ICE with class deduction and inherited ctor.
1318         * pt.c (do_class_deduction): Ignore inherited ctors.
1320         PR c++/84665 - ICE with array of empty class.
1321         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1323         PR c++/85228 - ICE with lambda in enumerator in template.
1324         * pt.c (bt_instantiate_type_proc): Don't assume
1325         CLASSTYPE_TEMPLATE_INFO is non-null.
1327 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1329         Implement P0969
1330         * decl.c (find_decomp_class_base): Check accessibility instead
1331         of declared access, adjust diagnostic.
1333 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1335         Implement P0961
1336         * decl.c (get_tuple_decomp_init): Check the templatedness
1337         of a member get.
1339 2018-04-05  Jason Merrill  <jason@redhat.com>
1341         PR c++/85200 - ICE with constexpr if in generic lambda.
1342         * pt.c (extract_locals_r): Don't record the local specs of variables
1343         declared within the pattern.
1345 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
1347         PR c++/84979
1348         * pt.c (check_auto_in_tmpl_args): New.
1349         (tsubst_qualified_id): Use it to reject template args
1350         referencing auto for non-type templates.
1351         * parser.c (cp_parser_template_id): Likewise.
1352         * cp-tree.h (check_auto_in_tmpl_args): Declare.
1353         * typeck2.c (build_functional_cast): Report correct location
1354         for invalid use of auto.
1356 2018-04-04  Jason Merrill  <jason@redhat.com>
1358         PR c++/85215 - ICE with copy-init from conversion.
1359         * call.c (merge_conversion_sequences): Fix type of direct binding
1360         sequence.
1362         PR c++/84938 - ICE with division by ~-1.
1363         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1365         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1366         * parser.c (cp_parser_mem_initializer_list): Call
1367         check_for_bare_parameter_packs.
1369 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
1371         PR inline-asm/85172
1372         * constexpr.c (cxx_eval_builtin_function_call): For calls to
1373         builtin_valid_in_constant_expr_p functions, don't call
1374         cxx_eval_constant_expression if argument is not
1375         potential_constant_expression.
1377         PR c++/85146
1378         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1379         argument.
1380         * semantics.c (calculate_bases): Add complain argument.  Use
1381         complete_type_or_maybe_complain instead of just complete_type and
1382         return an empty vector if it fails.  Move make_tree_vector () call
1383         after early return.  Formatting fixes.
1384         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
1385         end.
1386         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1387         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1388         calculate_direct_bases callers, formatting fixes.
1390 2018-04-04  Jason Merrill  <jason@redhat.com>
1392         PR c++/85006 - -fconcepts ICE with A<auto...> return type
1393         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1395         PR c++/85200 - ICE with constexpr if in generic lambda.
1396         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1398         PR c++/84221 - bogus -Wunused with attribute and template.
1399         * decl2.c (is_late_template_attribute): Handle unused and used
1400         normally on non-TYPE_DECL.
1402         PR c++/85135 - ICE with omitted template arguments.
1403         * decl.c (grokdeclarator): Catch deduced class type in trailing
1404         return type.
1406         PR c++/85133 - ICE with missing concept initializer.
1407         * decl.c (cp_finish_decl): If a concept initializer is missing, use
1408         true.
1410         PR c++/85118 - wrong error with generic lambda and std::bind.
1411         * call.c (add_template_conv_candidate): Disable if there are any
1412         call operators.
1414         PR c++/85141 - ICE with compound assignment and static member fn.
1415         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1416         compound assignment.
1418         PR c++/85148 - ICE with 'this' in array NSDMI.
1419         * tree.c (replace_placeholders_r): Use handled_component_p.
1421 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1423         PR c++/65923
1424         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1425         * parser.c (cp_parser_unqualified_id): ..not here.
1427 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
1429         PR c++/84943
1430         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1431         used.
1432         * decl2.c (mark_used): Return without effects if tf_conv.
1434 2018-04-03  Jason Merrill  <jason@redhat.com>
1436         PR c++/85092 - C++17 ICE with unused list constructor.
1437         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1438         from a TARGET_EXPR.
1440         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1441         * constexpr.c (cxx_eval_builtin_function_call): Only defer
1442         __builtin_constant_p if ctx->quiet.
1444 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
1446         PR c++/84768
1447         * pt.c (rewrite_template_parm): If the first argument is
1448         error_mark_node return it immediately.
1449         (build_deduction_guide): Check the return value of the
1450         latter for error_mark_node.
1451         (do_class_deduction): Check the return value of the latter.
1453 2018-04-03  Jason Merrill  <jason@redhat.com>
1455         * semantics.c (finish_if_stmt_cond): Use
1456         instantiation_dependent_expression_p.
1458         PR c++/85149 - generic lambda and constexpr if.
1459         * pt.c (build_extra_args, add_extra_args): Split from
1460         tsubst_pack_expansion.
1461         (tsubst_expr) [IF_STMT]: Use them.
1462         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1464         * typeck.c (merge_types): Limit matching attribute shortcut to
1465         the default case.
1467 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
1469         PR c++/85147
1470         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1472         PR c++/85140
1473         * name-lookup.c (handle_namespace_attrs): Return early if attributes
1474         is error_mark_node.
1476         PR c++/85134
1477         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1478         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1479         instead for static data members clear init and set DECL_EXTERNAL.
1481 2018-04-02  Jason Merrill  <jason@redhat.com>
1483         PR c++/64095 - auto... parameter pack.
1484         * parser.c (cp_parser_parameter_declaration): Handle turning autos
1485         into packs here.
1486         (cp_parser_parameter_declaration_list): Not here.
1488 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
1490         PR c++/85027
1491         * class.c (instantiate_type): Peel off SAVE_EXPR before
1492         BASELINK.
1494 2018-03-30  Jason Merrill  <jason@redhat.com>
1496         * typeck2.c (process_init_constructor_record): Use
1497         init_list_type_node for the CONSTRUCTOR around an anonymous union
1498         designated initializer.
1500 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
1502         PR c++/84791
1503         * semantics.c (finish_omp_reduction_clause): If
1504         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1505         even if processing_template_decl.
1507 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1509         PR c++/84269
1510         * name-lookup.c (get_std_name_hint): Add names from <memory>,
1511         <tuple>, and <utility>.
1513 2018-03-29  Jason Merrill  <jason@redhat.com>
1515         PR c++/85093 - too many template args with pack expansion.
1516         * pt.c (coerce_template_parms): Keep pack expansion args that will
1517         need to be empty.
1519 2018-03-29  Jason Merrill  <jason@redhat.com>
1521         * pt.c (build_non_dependent_expr): Propagate expr location.
1523 2018-03-27  Jason Merrill  <jason@redhat.com>
1525         PR c++/85060 - wrong-code with call to base member in template.
1526         * search.c (any_dependent_bases_p): Check uses_template_parms
1527         rather than processing_template_decl.
1529 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1531         PR c++/85110
1532         * typeck.c (convert_for_assignment): When complaining due to
1533         conversions for an argument, attempt to use the location of the
1534         argument.
1536 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
1538         PR c++/85028
1539         * pt.c (tsubst_default_argument): Early return if the type of the
1540         parameter is erroneous.
1542 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
1544         PR c++/84973
1545         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1546         templates.
1548         PR c++/84968
1549         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1551 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1553         PR c++/85067
1554         * method.c (defaulted_late_check): Partially revert r253321 changes,
1555         do not early return upon error.
1557 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1559         PR c++/85077
1560         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1561         type call fold to generate VECTOR_CSTs when possible.
1563         PR c++/85076
1564         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1565         return it right away.
1567 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
1569         * search.c (check_final_overrider): Use inform instead of error
1570         for the diagnostics of the overridden functions.  Tweak wording.
1572 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1574         PR c++/85068
1575         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1576         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
1578 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1579             Jason Merrill  <jason@redhat.com>
1581         PR c++/84632
1582         * init.c (build_aggr_init): When initializing from array,
1583         reject anything but CONSTRUCTORs and TARGET_EXPRs.
1584         (build_vec_init): Handle separately ARRAY_TYPEs.
1586 2018-03-26  Jason Merrill  <jason@redhat.com>
1588         PR c++/85062 - ICE with alignas in wrong place.
1589         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1590         here.
1592         PR c++/85049 - ICE with __integer_pack.
1593         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1594         * cp-tree.h (TEMPLATE_PARM_P): New.
1596 2018-03-23  Jason Merrill  <jason@redhat.com>
1598         PR c++/78489 - wrong SFINAE behavior.
1600         PR c++/84489
1601         * pt.c (type_unification_real): Don't defer substitution failure.
1603 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1605         PR c++/85015
1606         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1607         result.
1609         PR c++/84942
1610         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1611         cp_build_unary_op call with gcc_unreachable ().
1613 2018-03-23  Marek Polacek  <polacek@redhat.com>
1615         PR c++/85045
1616         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1617         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1618         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1620 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1622         Implement P0962
1623         * parser.c (cp_parser_perform_range_for_lookup): Change
1624         the condition for deciding whether to use members.
1626 2018-03-23  Marek Polacek  <polacek@redhat.com>
1628         PR c++/85033
1629         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1631 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1633         PR c++/71251
1634         * parser.c (cp_parser_alias_declaration): Call
1635         parser_check_template_parameters.
1637         PR c++/84789
1638         * pt.c (resolve_typename_type): Drop assert that stopped
1639         simplification to template-independent types.  Add assert to
1640         verify the initial scope is template dependent.
1641         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1642         Reparse the id expression as a type-name, not a declarator.
1644         PR c++/84729
1645         * init.c (build_vec_init): Error at parenthesized array init.
1647         PR c++/84610
1648         PR c++/84642
1649         PR c++/84942
1650         * cp-tree.h (temp_override): New template class, generalizing
1651         a cleanup that was only used...
1652         * parser.c (cp_parser_parameter_declaration_clause):
1653         ... here for auto_is_implicit_function_template_parm_p.
1654         (cp_parser_gnu_attributes_opt): Use it here as well.
1655         (cp_parser_std_attribute): Likewise.
1657 2018-03-22  Marek Polacek  <polacek@redhat.com>
1659         PR c++/84854
1660         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1661         is boolean.
1663 2018-03-21  Jason Merrill  <jason@redhat.com>
1665         PR c++/81311 - wrong C++17 overload resolution.
1666         * call.c (build_user_type_conversion_1): Remove C++17 code.
1667         (conv_binds_ref_to_prvalue): New.
1668         (build_over_call): Handle C++17 copy elision.
1669         (build_special_member_call): Only do C++17 copy elision here if the
1670         argument is already the right type.
1672 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1674         PR c++/71965
1675         * init.c (build_vec_init): Silence error, former sorry,
1676         without tf_error.
1678         PR c++/84610
1679         PR c++/84642
1680         * parser.c (abort_fully_implicit_template_p): New.
1681         (cp_parser_skip_to_end_of_statement): Use it.
1682         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1683         (finish_fully_implicit_template_p): Clear
1684         implicit_template_parms and implicit_template_scope.
1686 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1688         PR c++/84972
1689         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1690         error_mark_node when check_array_designated_initializer fails.
1692 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1694         PR c++/84961
1695         * cp-tree.h (genericize_compound_lvalue): Declare.
1696         * typeck.c (genericize_compound_lvalue): New function.
1697         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1698         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1699         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1700         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1701         COMPOUND_EXPR operand.
1703 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1705         PR c++/85008
1706         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1707         * decl2.c (vague_linkage_p): Likewise.
1709 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1711         PR c++/84994
1712         * constexpr.c (constexpr_fn_retval): Make non-"static".
1713         * cp-tree.h (constexpr_fn_retval): New decl.
1714         * search.c (direct_accessor_p): Update leading comment.
1715         (reference_accessor_p): Likewise.
1716         (field_accessor_p): Replace check that function body is a
1717         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1718         indentation of "field_type" decl.
1720 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1722         PR c++/84804
1723         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1724         complete classes.
1726 2018-03-21  Martin Sebor  <msebor@redhat.com>
1728         PR c++/84850
1729         * call.c (first_non_public_field): New template and function.
1730         (first_non_trivial_field): New function.
1731         (maybe_warn_class_memaccess): Call them.
1733 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1735         PR c++/84892
1736         * search.c (field_accessor_p): Use class_of_this_parm rather than
1737         type_of_this_parm, to check that "this" is a "const T *", rather
1738         than a "T *const".
1740 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1742         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1743         other than public non-static data members.
1744         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1745         parenthesized initializer.
1747         PR c++/84836
1748         * name-lookup.c (update_binding): Correct logic for local binding
1749         update.
1751 2018-03-21  Marek Polacek  <polacek@redhat.com>
1753         PR c++/71638, ICE with NSDMI and reference.
1754         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1755         even when we replace an element.
1757 2018-03-20  Marek Polacek  <polacek@redhat.com>
1759         PR c++/84978, ICE with NRVO.
1760         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1761         a RESULT_DECL isn't in the hash map.
1763 2018-03-20  Jason Merrill  <jason@redhat.com>
1765         PR c++/84978, ICE with NRVO.
1766         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1767         (cp_get_callee_fndecl_nofold): New.
1768         * cp-gimplify.c (cp_genericize_r): Use it instead.
1769         * call.c (check_self_delegation): Likewise.
1771 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1773         PR c++/84962
1774         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1775         member_vec, if there is one.
1777         PR c++/84970
1778         * cp-tree.h (lookup_list_keep): Declare.
1779         * tree.c (lookup_list_keep): New, broken out of ...
1780         (build_min): ... here.  Call it.
1781         * decl.c (cp_finish_decl): Call lookup_list_keep.
1783 2018-03-19  Jason Merrill  <jason@redhat.com>
1785         PR c++/84937 - ICE with class deduction and auto.
1786         * pt.c (rewrite_template_parm): Fix auto handling.
1788 2018-03-19  Marek Polacek  <polacek@redhat.com>
1790         PR c++/84925
1791         * pt.c (enclosing_instantiation_of): Check if fn is null.
1793         PR c++/84927
1794         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1795         as we evaluate the elements.
1796         (cxx_eval_constant_expression): Verify constructor's flags
1797         unconditionally.
1799 2018-03-19  Jason Merrill  <jason@redhat.com>
1801         PR c++/71834 - template-id with too few arguments.
1802         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1804 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1806         PR c++/84835
1807         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1808         * pt.c (build_template_decl): Propagate language linkage.
1810         PR c++/84812
1811         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1812         ambiguous lookups.
1814 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1816         PR c/84910
1817         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1818         diagnostics.
1819         * method.c (synthesize_method): Likewise.
1820         * pt.c (convert_nontype_argument): Likewise.
1822 2018-03-16  Jason Merrill  <jason@redhat.com>
1824         PR c++/84720 - ICE with rvalue ref non-type argument.
1825         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1826         (convert_nontype_argument): Revert earlier change.
1828         PR c++/80227 - SFINAE and negative array size.
1829         * decl.c (compute_array_index_type): Use
1830         build_converted_constant_expr and valid_constant_size_p.
1832         PR c++/84906 - silent wrong code with ambiguous conversion.
1833         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1834         ambiguous conversion.
1835         (convert_like_real): Check it.
1837         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1838         * call.c (build_special_member_call): Don't convert an init-list
1839         argument directly to the class type.
1841 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1843         PR c++/79937
1844         PR c++/82410
1845         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1846         (find_placeholder): Declare.
1847         * tree.c (struct replace_placeholders_t): Add exp member.
1848         (replace_placeholders_r): Don't walk into ctors with
1849         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1850         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1851         (replace_placeholders): Initialize data.exp.
1852         (find_placeholders_r, find_placeholders): New functions.
1853         * typeck2.c (process_init_constructor_record,
1854         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1855         if adding NSDMI on which find_placeholder returns true.
1856         * call.c (build_over_call): Don't call replace_placeholders here.
1857         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1858         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1859         TARGET_EXPR_INITIAL.
1860         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1861         ctor.
1863 2018-03-16  Jason Merrill  <jason@redhat.com>
1865         PR c++/83911 - ICE with multiversioned constructor.
1866         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1867         dispatchere here.
1868         * call.c (build_over_call): Not here.
1870 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1872         PR c++/84874
1873         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1874         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1876 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1878         PR c++/84222
1879         * cp-tree.h (cp_warn_deprecated_use): Declare.
1880         * tree.c (cp_warn_deprecated_use): New function.
1881         * typeck2.c (build_functional_cast): Use it.
1882         * decl.c (grokparms): Likewise.
1883         (grokdeclarator): Likewise.  Temporarily push nested class scope
1884         around grokparms call for out of class member definitions.
1886 2018-03-14  Jason Merrill  <jason@redhat.com>
1888         PR c++/84820 - no error for invalid qualified-id.
1889         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1890         cp_error_declarator.
1892         PR c++/84801 - ICE with unexpanded pack in lambda.
1893         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1894         lambda in non-template context.
1896         PR c++/81236 - auto variable and auto function
1897         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1898         mark_used.
1900 2018-03-14  Jason Merrill  <jason@redhat.com>
1902         PR c++/83916 - ICE with template template parameters.
1903         * pt.c (convert_template_argument): Don't substitute into type of
1904         non-type parameter if we don't have enough arg levels.
1905         (unify): Likewise.
1907 2018-03-14  Marek Polacek  <polacek@redhat.com>
1909         PR c++/84596
1910         * semantics.c (finish_static_assert): Check
1911         instantiation_dependent_expression_p instead of
1912         {type,value}_dependent_expression_p.
1914 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1915             Jason Merrill  <jason@redhat.com>
1917         PR c++/82336 - link error with list-init default argument.
1918         * decl.c (check_default_argument): Unshare an initializer list.
1920 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1922         PR c++/84843
1923         * decl.c (duplicate_decls): For redefinition of built-in, use error
1924         and return error_mark_node.  For redeclaration, return error_mark_node
1925         rather than olddecl if !flag_permissive.
1927 2018-03-13  Jason Merrill  <jason@redhat.com>
1929         PR c++/82565 - ICE with concepts and generic lambda.
1930         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1932 2018-03-13  Jason Merrill  <jason@redhat.com>
1934         PR c++/84720 - ICE with rvalue ref non-type argument.
1935         * pt.c (convert_nontype_argument): Handle rvalue references.
1937         PR c++/84839 - ICE with decltype of parameter pack.
1938         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1939         instantiating dummy parms.
1941         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1942         parameter even without -Wpedantic.
1944         PR c++/84798 - ICE with auto in abstract function declarator.
1945         * parser.c (cp_parser_parameter_declaration_clause): Check
1946         parser->default_arg_ok_p.
1948 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1950         PR c++/84808
1951         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1952         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1953         sizetype.  Formatting fixes.
1955 2018-03-12  Jason Merrill  <jason@redhat.com>
1957         PR c++/84355 - ICE with deduction for member class template.
1958         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1959         CLASS_PLACEHOLDER_TEMPLATE.
1961         PR c++/84802 - ICE capturing uninstantiated class.
1962         * lambda.c (build_capture_proxy): Call complete_type.
1964 2018-03-09  Jason Merrill  <jason@redhat.com>
1966         PR c++/84770 - ICE with typedef and parameter pack.
1967         * pt.c (verify_unstripped_args_1): Split out from
1968         verify_unstripped_args.
1970         PR c++/84785 - ICE with alias template and default targs.
1971         * pt.c (type_unification_real): Set processing_template_decl if
1972         saw_undeduced == 1.
1974         PR c++/84752 - ICE with capture of constexpr array.
1975         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1976         identity conversion under ck_lvalue.
1978 2018-03-09  Jason Merrill  <jason@redhat.com>
1979             Paolo Carlini  <paolo.carlini@oracle.com>
1981         PR c++/71169
1982         PR c++/71832
1983         * pt.c (any_erroneous_template_args_p): New.
1984         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1985         * parser.c (cp_parser_class_specifier_1): Use it.
1987 2018-03-09  Jason Merrill  <jason@redhat.com>
1989         PR c++/84726 - unnecessary capture of constant vars.
1990         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1991         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1992         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1993         * lambda.c (is_constant_capture_proxy)
1994         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1995         (prune_lambda_captures): New.
1996         (finish_lambda_function): Call prune_lambda_captures.
1998 2018-03-09  Jason Merrill  <jason@redhat.com>
1999             Jakub Jelinek  <jakub@redhat.com>
2001         PR c++/84076
2002         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2003         build ADDR_EXPR with REFERENCE_TYPE.
2004         (build_over_call): For purposes of check_function_arguments, if
2005         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2006         its operand rather than the argument itself.
2008 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
2010         PR c++/84724
2011         * decl.c (duplicate_decls): Don't override __* prefixed builtins
2012         except for __[^b]*_chk, instead issue permerror and for -fpermissive
2013         also a note and return olddecl.
2015 2018-03-09  Nathan Sidwell  <nathan@acm.org>
2017         PR c++/84733
2018         * name-lookup.c (do_pushdecl_with_scope): Only clear
2019         current_function_decl when pushing a non-class (i.e. namespace)
2020         scope.
2022 2018-03-08  Jason Merrill  <jason@redhat.com>
2023             Jakub Jelinek  <jakub@redhat.com>
2025         PR c++/80598
2026         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2027         not calling mark_used for the benefit of -Wunused-function warning.
2029 2018-03-06  Jason Merrill  <jason@redhat.com>
2031         * lambda.c (is_capture_proxy_with_ref): Remove.
2032         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2034 2018-03-06  Marek Polacek  <polacek@redhat.com>
2036         PR c++/84684
2037         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2038         arguments.
2040 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
2042         PR c++/84231
2043         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2044         only while processing template decls.
2045         * typeck.c (build_x_conditional_expr): Move wrapping of
2046         reference type around type...
2047         * call.c (build_conditional_expr_1): ... here.  Rename
2048         is_lvalue to is_glvalue.
2049         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2050         INDIRECT_REF of COND_EXPR too.
2052         PR c++/84593
2053         * init.c (build_zero_init_1): Zero-initialize references.
2055         PR c++/84492
2056         * semantics.c (finish_stmt_expr_expr): Reject unresolved
2057         overloads used as stmt expr values.
2059 2018-03-05  Jason Merrill  <jason@redhat.com>
2061         PR c++/84708 - ICE with lambda in local class NSDMI.
2062         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2063         context.
2065 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
2067         PR c++/84684
2068         * constexpr.c (constexpr_call_hasher::equal): Return false if
2069         lhs->hash != rhs->hash.  Change return 1 to return true and
2070         return 0 to return false.
2072 2018-03-05  Nathan Sidwell  <nathan@acm.org>
2074         PR c++/84702
2075         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2077 2018-03-05  Marek Polacek  <polacek@redhat.com>
2079         PR c++/84707
2080         * decl.c (duplicate_decls): Check DECL_NAME before accessing
2081         UDLIT_OPER_P.
2083 2018-03-05  Nathan Sidwell  <nathan@acm.org>
2085         PR c++/84694
2086         * friend.c (do_friend): Restore check for identifier_p inside
2087         TEMPLATE_ID_EXPR.
2089 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
2091         PR c++/84618
2092         * parser.c (cp_parser_lambda_introducer): Reject any capture not
2093         involving a VAR_DECL or a PARM_DECL.
2095 2018-03-05  Pádraig Brady  <P@draigBrady.com>
2096             Jason  Merrill  <jason@redhat.com>
2097             Nathan Sidwell  <nathan@acm.org>
2099         PR c++/84497
2100         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2102 2018-03-03  Jason Merrill  <jason@redhat.com>
2104         PR c++/84686 - missing volatile loads.
2105         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2107 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
2109         PR c++/71464
2110         * optimize.c (maybe_thunk_body): Bail out immediately if either
2111         fns[0] or fns[1] is null.
2113 2018-03-02  Marek Polacek  <polacek@redhat.com>
2115         PR c++/84578
2116         * constexpr.c (get_array_or_vector_nelts): New.
2117         (cxx_eval_array_reference): Use it.
2118         (cxx_eval_vec_init_1): Likewise.
2119         (cxx_eval_store_expression): Likewise.
2121 2018-03-02  Jason Merrill  <jason@redhat.com>
2123         * semantics.c (force_paren_expr): Remove redundant test.
2125 2018-03-02  Marek Polacek  <polacek@redhat.com>
2127         PR c++/84663
2128         * decl.c (cp_complete_array_type): Check error_mark_node.
2130         PR c++/84664
2131         * typeck.c (cp_perform_integral_promotions): Check the result of
2132         mark_rvalue_use.
2134 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
2136         PR c++/84662
2137         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2138         RETURN instead of return.
2139         <case POINTER_PLUS_EXPR>: Likewise.
2140         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2141         it instead of wrapping it into CONVERT_EXPR.
2143 2018-03-02  Jason Merrill  <jason@redhat.com>
2145         Fix MIPS16 ICE.
2146         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2148 2018-03-02  Marek Polacek  <polacek@redhat.com>
2150         PR c++/84590
2151         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2152         wrapped in VIEW_CONVERT_EXPR.
2154 2018-03-01  Martin Sebor  <msebor@redhat.com>
2156         PR c++/84294
2157         * decl.c (check_redeclaration_no_default_args): Merge attributes
2158         specified on redeclarations of the same function template.
2159         Remove dead code.
2161 2018-03-01  Marek Polacek  <polacek@redhat.com>
2162             Jason Merrill  <jason@redhat.com>
2164         PR c++/84582
2165         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2166         a template.
2167         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2168         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2169         of instantiate_non_dependent_expr.
2170         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2172 2018-03-01  Nathan Sidwell  <nathan@acm.org>
2174         PR c++/84434
2175         * name-lookup.c (member_vec_dedup): Remove manually peeled
2176         iteration.  Ignore dependent ctor inheritance.
2178 2018-03-01  Jason Merrill  <jason@redhat.com>
2180         PR c++/71569 - decltype of template.
2181         * parser.c (cp_parser_decltype_expr): Handle missing template args.
2183 2018-03-01  Marek Polacek  <polacek@redhat.com>
2185         PR c++/84596
2186         * constexpr.c (require_rvalue_constant_expression): New function.
2187         * cp-tree.h: Declare it.
2188         * semantics.c (finish_static_assert): Use it instead of
2189         require_potential_rvalue_constant_expression.
2191 2018-03-01  Jason Merrill  <jason@redhat.com>
2192             Alexandre Oliva <aoliva@redhat.com>
2194         PR c++/71569 - ICE with redundant args on member variable template.
2195         * decl.c (start_decl): Handle partial specialization of member
2196         variable template.
2197         * pt.c (determine_specialization): Allow partial specialization
2198         of member variable template without specializing enclosing class.
2199         (process_partial_specialization): Improve error message.
2201 2018-02-28  Jason Merrill  <jason@redhat.com>
2203         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2204         * pt.c (determine_specialization): Check ref-qualifier.
2206 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2208         PR c++/84609
2209         * parser.c (cp_parser_attributes_opt): Formatting fix.
2210         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2211         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2212         New functions.
2213         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2214         instead of tentative parse to peek over optional attribute tokens
2215         to check for CPP_COLON after them.
2217         PR c++/83871
2218         PR c++/83503
2219         * pt.c (INCLUDE_STRING): Remove define.
2220         (warn_spec_missing_attributes): Use pretty_printer instead of
2221         std::string.  Fix up inform call so that the list of attributes
2222         is in %s argument.
2224 2018-02-28  Martin Sebor  <msebor@redhat.com>
2226         PR testsuite/84617
2227         * decl.c (duplicate_decls): Fully merge attributes const, pure,
2228         and malloc.
2230 2018-02-28  Nathan Sidwell  <nathan@acm.org>
2232         PR c++/84602
2233         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2234         * name-lookup.c (fields_linear_search): Look in an anon-aggr
2235         regardless of want_type.
2236         (search_anon_aggr): Just use get_class_binding_direct.
2238 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2240         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2241         inform_n.
2243 2018-02-27  Martin Sebor  <msebor@redhat.com>
2245         * pt.c: Avoid including <string> directly.
2247 2018-02-27  Martin Sebor  <msebor@redhat.com>
2249         PR c++/83871
2250         PR c++/83503
2251         * cp-tree.h (warn_spec_missing_attributes): New function.
2252         ((check_explicit_specialization): Add an argument.  Call the above
2253         function.
2254         * decl.c (duplicate_decls): Avoid applying primary function template's
2255         attributes to its explicit specializations.
2256         cp/pt.c (warn_spec_missing_attributes): Define.
2258 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
2260         PR c++/71546 - lambda init-capture with qualified-id.
2261         * parser.c (cp_parser_lambda_introducer): Clear scope after
2262         each lambda capture.
2264 2018-02-27  Nathan Sidwell  <nathan@acm.org>
2266         PR c++/84426
2267         * name-lookup.h (get_member_slot): Rename ...
2268         (find_member_slot): ... here.
2269         (add_member_slot): New.
2270         * name-lookup.c (member_vec_linear_search): No need to check for
2271         NULL slot.
2272         (get_member_slot): Rename ...
2273         (find_member_slot): ... here.  Don't add slot for incomplete class.
2274         (add_member_slot): New.
2275         * class.c (add_method): Adjust get_member_slot rename.  Bail out
2276         if push_class_level_binding fails.  Create slot and grok
2277         properties once we're committed to insertion.
2279 2018-02-27  Jason Merrill  <jason@redhat.com>
2281         PR c++/84489 - dependent default template argument
2282         * pt.c (type_unification_real): Handle early substitution failure.
2284 2018-02-26  Jason Merrill  <jason@redhat.com>
2286         PR c++/84560 - ICE capturing multi-dimensional VLA.
2287         * tree.c (array_of_runtime_bound_p): False if the element is
2288         variably-modified.
2290         PR c++/84441 - ICE with base initialized from ?:
2291         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2293         PR c++/84520 - ICE with generic lambda in NSDMI.
2294         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2295         'this' in a generic lambda instantiation.
2297         PR c++/84559 - ICE with constexpr VLA.
2298         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2299         for constexpr variable with VLA type.
2301 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
2303         PR c++/84558
2304         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2305         a valid constant initializer.  Formatting fixes.
2307 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2309         PR c++/84540
2310         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2311         returning NULL_TREE.
2312         (apply_late_template_attributes): Likewise.
2314 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
2316         PR c++/84557
2317         * parser.c (cp_parser_omp_var_list_no_open): Only call
2318         cp_parser_lookup_name_simple on names satisfying identifier_p.
2319         (cp_parser_oacc_routine): Likewise.
2321 2018-02-26  Jason Merrill  <jason@redhat.com>
2323         PR c++/84551 - ICE with concepts and -g.
2324         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2326 2018-02-26  Marek Polacek  <polacek@redhat.com>
2328         PR c++/84325
2329         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2330         non-types.
2332 2018-02-26  Jason Merrill  <jason@redhat.com>
2334         PR c++/84447 - ICE with deleted inherited ctor with default arg.
2335         * call.c (build_over_call): Handle deleted functions in one place.
2337 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2339         PR c++/84533
2340         * decl.c (redeclaration_error_message): Don't try to use
2341         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2343 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2345         * lambda.c (build_capture_proxy): Define static.
2346         * cp-tree.h (build_capture_proxy): Remove.
2348 2018-02-26  Marek Polacek  <polacek@redhat.com>
2350         PR c++/84537
2351         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2352         if name is error node.
2354 2018-02-25  Jason Merrill  <jason@redhat.com>
2356         PR c++/84015 - ICE with class deduction and auto template parm.
2357         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2359 2018-02-24  Marek Polacek  <polacek@redhat.com>
2361         PR c++/83692
2362         * constexpr.c (maybe_constant_init_1): New function.
2363         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2364         (cxx_constant_init): New function.
2365         * cp-tree.h (cxx_constant_init): Declare.
2366         * typeck2.c (store_init_value): Call cxx_constant_init instead of
2367         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
2369 2018-02-22  Jason Merrill  <jason@redhat.com>
2371         PR c++/70468 - ICE with constructor delegation via typedef.
2372         * pt.c (tsubst_initializer_list): Check for other mem-initializers
2373         with constructor delegation.
2375 2018-02-22  Jason Merrill  <jason@redhat.com>
2377         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2378         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2379         VECTOR_TYPE.
2381 2018-02-22  Marek Polacek  <polacek@redhat.com>
2383         PR c++/84493
2384         * parser.c (cp_parser_braced_list): Use require_open instead of
2385         consume_open.
2387 2018-02-21  Jason Merrill  <jason@redhat.com>
2389         PR c++/84454 - ICE with pack expansion in signature.
2390         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2392 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
2394         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2395         IF_STMT.
2397 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
2399         PR c++/84446
2400         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2401         on error_mark_node.
2403 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
2405         PR c++/84445
2406         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2407         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2409         PR c++/84449
2410         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2411         returns error_mark_node, return it immediately.
2412         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2413         error_mark_node, return error_mark_node.
2415         PR c++/84455
2416         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2417         function_depth to avoid GC during finish_lambda_function.
2419 2018-02-19  Jason Merrill  <jason@redhat.com>
2421         PR c++/84429 - ICE capturing VLA.
2422         * lambda.c (build_capture_proxy): Handle reference refs.
2424 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
2426         PR c++/84448
2427         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2428         either operand is error_mark_node, set current.lhs to that instead of
2429         creating a binary op with error_mark_node operands.
2431         PR c++/84430
2432         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2434 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
2436         PR c++/84348
2437         * decl.c (grokdeclarator): Early return error_mark_node upon
2438         ill-formed friend declaration.
2440 2018-02-16  Marek Polacek  <polacek@redhat.com>
2441             Jakub Jelinek  <jakub@redhat.com>
2443         PR c++/84192
2444         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2445         set *jump_target to anything if jump_target is NULL.
2447 2018-02-16  Jason Merrill  <jason@redhat.com>
2449         PR c++/84151 - unnecessary volatile load with static member.
2450         * call.c (build_new_method_call_1): Avoid loading from a volatile
2451         lvalue used as the object argument for a static member function.
2453         PR c++/81853 - using-directive and constexpr.
2454         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2456         PR c++/84420 - ICE with structured binding in lambda.
2457         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2459         PR c++/83835 - C++17 error with constructor ctors.
2460         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2462         PR c++/82664 - ICE with reference to function template parm.
2463         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2464         NOP_EXPRs.
2466         PR c++/82764 - C++17 ICE with empty base
2467         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2469 2018-02-16  Jason Merrill  <jason@redhat.com>
2471         PR c++/84421 - type-dependent if constexpr
2472         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2474 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2476         Deprecate -ffriend-injection.
2477         * decl.c (cxx_init_decl_processing): Emit warning on option.
2478         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2479         friend.
2481 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
2483         PR c++/82468
2484         * decl.c (check_special_function_return_type): Reject template
2485         template parameter in deduction guide.
2487 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2489         PR c++/84375
2490         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2492 2018-02-15  Jason Merrill  <jason@redhat.com>
2494         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2495         * call.c (convert_like_real): Don't use the copy-list-initialization
2496         shortcut for ck_base.
2498         PR c++/84045 - ICE with typedef and noexcept.
2499         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2501         PR c++/84376 - ICE with omitted template arguments.
2502         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2504         PR c++/84368 - wrong error with local variable in variadic lambda.
2505         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2506         local_specializations.
2508 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
2510         PR c++/84330
2511         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2512         as first argument.
2514 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2516         PR c++/84350
2517         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2518         init, early return.
2520 2018-02-14  Nathan Sidwell  <nathan@acm.org>
2522         * decl2.c (mark_vtable_entries): Set input_location to decl's.
2523         (c_parse_final_cleanups): Restore input_location after emitting
2524         vtables.
2526 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2528         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2529         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2530         auto_deduction_context, tree, int): Add defaults.
2531         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2532         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2533         tsubst_flags_t argument.
2534         * init.c (build_new): Likewise.
2536 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
2538         PR c++/84364
2539         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2540         about return other than *this in assignment operators if
2541         retval is type dependent expression.
2543 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
2545         PR c++/84333
2546         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2547         save_expr for the G++ extension.
2549 2018-02-13  Jason Merrill  <jason@redhat.com>
2551         PR c++/84080 - ICE with return type deduction and specialization.
2552         * pt.c (determine_specialization): Check uses_template_parms.
2554         Fix more variadic capture issues.
2555         * pt.c (find_parameter_packs_r): Also look at explicit captures.
2556         (check_for_bare_parameter_packs): Check current_class_type for
2557         lambda context.
2558         (extract_locals_r): Handle seeing a full instantiation of a pack.
2559         (tsubst_pack_expansion): Likewise.  Force lambda capture.
2560         * parser.c (cp_parser_lambda_introducer): Don't
2561         check_for_bare_parameter_packs.
2563         PR c++/84338 - wrong variadic sizeof.
2564         * pt.c (argument_pack_select_arg): Like the macro, but look through
2565         a pack expansion.
2566         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2567         (extract_fnparm_pack): Do make_pack_expansion.
2568         (extract_locals_r): Do strip a pack expansion.
2569         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2571 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
2573         PR c++/84341
2574         * parser.c (cp_parser_binary_expression): Use build_min instead of
2575         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2577 2018-02-12  Nathan Sidwell  <nathan@acm.org>
2579         PR c++/84263
2580         * parser.c (cp_parser_decltype): Push and pop
2581         deferring_access_checks.  Reorganize to avoid goto.
2583 2018-02-12  Richard Biener  <rguenther@suse.de>
2585         PR c++/84281
2586         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2587         uniform constructors and delay allocating them fully.
2589 2018-02-09  Jason Merrill  <jason@redhat.com>
2591         PR c++/84036 - ICE with variadic capture.
2592         Handle variadic capture proxies more like non-variadic.
2593         * lambda.c (build_capture_proxy): Remove workaround.
2594         * pt.c (find_parameter_packs_r): The proxy is a pack.
2595         (instantiate_class_template_1): Remove dead lambda code.
2596         (extract_fnparm_pack): Don't make_pack_expansion.
2597         (extract_locals_r): Don't strip a pack expansion.
2598         (tsubst_pack_expansion): Handle proxy packs.  Use
2599         PACK_EXPANSION_EXTRA_ARGS less.
2600         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2601         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2602         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2603         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2604         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2606 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2608         PR sanitizer/83987
2609         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2611 2018-02-09  Jason Merrill  <jason@redhat.com>
2613         PR c++/81917 - ICE with void_t and partial specialization.
2614         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2615         calling most_specialized_partial_spec.
2617 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2619         PR c/84293
2620         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2621         Pass expr location to strict_aliasing_warning.
2623 2018-02-09  Jason Merrill  <jason@redhat.com>
2625         PR c++/84296 - ICE with qualified-id in template.
2626         PR c++/83714
2627         * pt.c (unknown_base_ref_p): New.
2628         (instantiation_dependent_scope_ref_p): Use it instead of
2629         any_dependent_bases_p.
2631 2018-02-09  Marek Polacek  <polacek@redhat.com>
2632             Jakub Jelinek  <jakub@redhat.com>
2634         PR c++/83659
2635         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2636         fold_indirect_ref_1, including poly_*int64.  Verify first that
2637         tree_fits_poly_int64_p (op01).  Formatting fixes.
2639 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2641         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2642         * lambda.c (build_capture_proxy): Likewise.
2643         * search.c (field_access_p): Likewise.
2644         * semantics.c (omp_clause_decl, omp_privatize_field,
2645         finish_omp_clauses): Likewise.
2647 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2649         PR c++/83806
2650         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2651         case of nullptr too.
2653 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2655         * class.c (finish_struct): Fix std:initializer_list diagnostic
2656         formatting.
2658 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2660         PR c++/83204
2661         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2663 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2665         PR c++/84082
2666         * parser.c (cp_parser_dot_deref_incomplete): New function.
2667         (cp_parser_postfix_dot_deref_expression): Use it.
2669 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2671         PR c++/81610
2672         PR c++/80567
2673         * name-lookup.c (suggest_rid_p): New function.
2674         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2675         suggest_rid_p.
2677 2018-02-07  Jason Merrill  <jason@redhat.com>
2679         PR c++/84182 - ICE with captured lambda
2680         PR c++/84181
2681         * pt.c (extract_locals_r, extract_local_specs): New.
2682         (tsubst_pack_expansion): Use them.
2684 2018-02-07  Martin Liska  <mliska@suse.cz>
2686         PR c++/84059.
2687         * class.c (add_method): Append argument value.
2688         * cp-tree.h (maybe_version_functions): Add new argument.
2689         * decl.c (decls_match): Call it if a declaration does not
2690         have DECL_FUNCTION_VERSIONED.
2691         (maybe_version_functions): record argument is added.
2693 2018-02-05  Marek Polacek  <polacek@redhat.com>
2695         * class.c: Remove unused global variables.
2696         (build_primary_vtable): Don't gather statistics.
2697         (print_class_statistics): Remove.
2698         * cp-tree.h (print_class_statistics): Remove.
2699         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2701 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2703         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2704         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2705         * decl.c (next_initializable_field, find_decomp_class_base,
2706         cp_finish_decomp): Likewise.
2707         * typeck2.c (process_init_constructor_record): Likewise.
2709 2018-02-02  Jason Merrill  <jason@redhat.com>
2711         PR c++/84181 - ICE with lambda parm in template argument.
2712         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2714 2018-02-01  Jason Merrill  <jason@redhat.com>
2716         PR c++/84160 - ICE with nested variadic capture.
2717         * lambda.c (is_capture_proxy_with_ref): New.
2718         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2719         COMPONENT_REF.
2720         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2721         * constexpr.c (potential_constant_expression_1): Likewise.
2722         * semantics.c (process_outer_var_ref): Likewise.
2724 2018-02-01  Marek Polacek  <polacek@redhat.com>
2726         PR c++/84125
2727         * typeck.c (build_address): Relax the assert when
2728         processing_template_decl.
2730 2018-02-01  Jason Merrill  <jason@redhat.com>
2732         PR c++/84126 - ICE with variadic generic lambda
2733         PR c++/84036
2734         PR c++/82249
2735         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2736         PACK_EXPANSION_EXTRA_ARGS.
2738 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2740         PR c++/83796
2741         * call.c (convert_like_real): If w're initializing from {} explicitly
2742         call abstract_virtuals_error_sfinae.
2744 2018-01-31  Jason Merrill  <jason@redhat.com>
2745             Jakub Jelinek  <jakub@redhat.com>
2747         PR c++/83993
2748         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2749         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2750         on ADDR_EXPR.
2752 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2754         PR c++/83993
2755         * constexpr.c (diag_array_subscript): Emit different diagnostics
2756         if TYPE_DOMAIN (arraytype) is NULL.
2757         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2758         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2760 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2762         PR c++/84092
2763         * semantics.c (finish_qualified_id_expr): When handling an
2764         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2766 2018-01-31  Marek Polacek  <polacek@redhat.com>
2768         PR c++/84138
2769         * cp-gimplify.c (cp_fold): Check if X is an error node before
2770         calling useless_type_conversion_p.
2772 2018-01-30  Jason Merrill  <jason@redhat.com>
2774         PR c++/84091 - ICE with local class in lambda in template.
2775         * decl2.c (determine_visibility): Look for outer containing template
2776         instantiation.
2778         PR c++/84098 - ICE with lambda in template NSDMI.
2779         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2781 2018-01-29  Jason Merrill  <jason@redhat.com>
2783         PR c++/68810 - wrong location for reinterpret_cast error.
2784         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2785         !dofold.
2787 2018-01-29  Marek Polacek  <polacek@redhat.com>
2789         PR c++/83996
2790         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2791         => fooarray[1] in offset_int.
2793 2018-01-29  Jason Merrill  <jason@redhat.com>
2795         PR c++/83942 - wrong unused warning with static_cast.
2796         * cvt.c (ocp_convert): Call mark_rvalue_use.
2798 2018-01-26  Jason Merrill  <jason@redhat.com>
2800         PR c++/83956 - wrong dtor error with anonymous union
2801         * method.c (walk_field_subobs): Variant members only affect
2802         deletedness.
2803         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2805         PR c++/84036 - ICE with variadic capture.
2806         PR c++/82249
2807         * pt.c (tsubst_pack_expansion): When optimizing a simple
2808         substitution, pull a single pack expansion out of its pack.
2810         PR c++/82514 - ICE with local class in generic lambda.
2811         * pt.c (regenerated_lambda_fn_p): Remove.
2812         (enclosing_instantiation_of): Don't use it.
2813         (tsubst_function_decl): Call enclosing_instantiation_of.
2815         * pt.c (lookup_template_class_1): Add sanity check.
2816         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2818 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2820         PR c++/84031
2821         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2822         recursive calls that return ret.
2823         (cp_finish_decomp): Ignore unnamed bitfields.
2825 2018-01-23  Jason Merrill  <jason@redhat.com>
2827         PR c++/82249 - wrong mismatched pack length error.
2828         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2829         unsubstituted function parameter pack.
2831 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2833         PR c++/83921
2834         * decl.c (check_for_uninitialized_const_var): Not static; add
2835         bool and tsubst_flags_t parameters; adjust to be used both in
2836         constexpr context and not.
2837         * constexpr.c (potential_constant_expression_1): Use the above.
2838         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2840 2018-01-23  Jason Merrill  <jason@redhat.com>
2842         PR c++/83947 - ICE with auto declarations.
2843         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2844         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2846 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2848         PR c++/83974
2849         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2850         for pointer to member function types.
2852 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2854         PR sanitizer/83987
2855         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2856         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2858 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2860         PR c++/83988
2861         * pt.c (tsubst_baselink): Remove optype assert.
2862         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2864 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2866         PR c++/83958
2867         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2868         refers to incomplete type.
2870 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2872         Deprecate ARM-era for scope handling
2873         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2874         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2875         cleared.
2876         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2877         cleanup handling.
2878         * semantics.c (begin_for_scope): Flag_new_for_scope is
2879         boolean-like.
2880         (finish_for_stmt, begin_range_for_stmt): Likewise.
2882 2018-01-22  Jason Merrill  <jason@redhat.com>
2884         PR c++/83720
2885         * decl2.c (determine_visibility): Fix template_decl handling
2886         instead of blocking it.
2888         PR c++/83720 - ICE with lambda and LTO.
2889         * decl2.c (determine_visibility): Clear template_decl for
2890         function-scope decls.  Propagate anonymous linkage from containing
2891         function.
2893 2018-01-22  Marek Polacek  <polacek@redhat.com>
2895         PR c++/81933
2896         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2897         split out anything.
2899 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2901         PR c++/83895
2902         * decl.c (grokdeclarator): Don't diagnose extra parens
2903         on typedefs.
2905 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2907         PR c++/81167
2908         * call.c (joust): Use TREE_TYPE (source) if source is
2909         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2911         PR c++/83919
2912         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2913         for direct enum init.
2914         * decl.c (reshape_init): Likewise.
2916 2018-01-19  Marek Polacek  <polacek@redhat.com>
2918         * constexpr.c (fold_simple): Simplify.
2920 2018-01-18  Jason Merrill  <jason@redhat.com>
2922         PR c++/83714
2923         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2924         * pt.c (instantiation_dependent_scope_ref_p): True if
2925         any_dependent_bases_p.
2927 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2929         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2930         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2932 2018-01-18  Jason Merrill  <jason@redhat.com>
2934         PR c++/82461 - constexpr list-initialized member
2935         * constexpr.c (potential_constant_expression_1): Check
2936         TARGET_EXPR_DIRECT_INIT_P.
2938 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2940         PR c++/81013
2941         * decl.c (xref_basetypes): Early return upon error about derived
2942         union.
2944 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2946         PR c++/83160
2947         * cp-tree.h (mark_use): Declare.
2948         * expr.c (mark_use): Make extern.
2949         * call.c (direct_reference_binding): Set inner conv's
2950         rvaluedness_matches_p, if it is an identity.
2951         (convert_like_real): Mark lvalue or rvalue use for identity as
2952         rvaledness_matches_p demands.
2954 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2956         PR c++/83824
2957         * parser.c (attr_chainon): New function.
2958         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2959         cp_parser_namespace_definition, cp_parser_init_declarator,
2960         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2961         cp_parser_gnu_attributes_opt): Use it.
2962         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2963         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2964         prefix_attributes if attributes is error_mark_node.
2966 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2968         PR c++/78344
2969         * decl.c (grokdeclarator): Do not append the error_mark_node
2970         due to an erroneous optional attribute-specifier-seq.
2972 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2974         PR c++/83897
2975         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2976         CLEANUP_POINT_EXPR.
2978 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2980         PR c++/81054
2981         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2982         error_mark_node when we give an error.
2983         * decl.c (cp_finish_decl): Use the latter.
2985 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2987         PR c++/83287
2988         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2990 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2992         PR c++/83814
2993         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2994         the C++ part.  If processing a template, call
2995         fold_non_dependent_expr rather than fully folding.
2997 2018-01-17  Jason Merrill  <jason@redhat.com>
2999         PR c++/81067 - redundant NULL warning.
3000         * call.c (convert_like_real): Restore null_node handling.
3002 2018-01-17  Jason Merrill  <jason@redhat.com>
3004         PR c++/81843 - ICE with variadic member template.
3005         PR c++/72801
3006         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3007         template args.
3009 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
3011         PR c++/83799
3012         * pt.c (type_dependent_expression_p): Strip any location wrapper
3013         before testing tree codes.
3014         (selftest::test_type_dependent_expression_p): New function.
3015         (selftest::cp_pt_c_tests): Call it.
3017 2018-01-17  Nathan Sidwell  <nathan@acm.org>
3019         PR c++/83739
3020         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3021         this not a final instantiation.
3023 2018-01-16  Jason Merrill  <jason@redhat.com>
3025         PR c++/83714 - ICE checking return in template.
3026         * typeck.c (check_return_expr): Call build_non_dependent_expr.
3028 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
3030         PR c++/83817
3031         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3032         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3033         instead of CALL_FROM_THUNK_P.
3035         PR c++/83825
3036         * name-lookup.c (member_vec_dedup): Return early if len is 0.
3037         (resort_type_member_vec, set_class_bindings,
3038         insert_late_enum_def_bindings): Use vec qsort method instead of
3039         calling qsort directly.
3041 2018-01-15  Martin Sebor  <msebor@redhat.com>
3043         PR c++/83588
3044         * class.c (find_flexarrays): Make a record of multiple flexible array
3045         members.
3047 2018-01-12  Jason Merrill  <jason@redhat.com>
3049         PR c++/83186 - ICE with static_cast of list-initialized temporary.
3050         * typeck.c (build_static_cast): Use build_non_dependent_expr.
3052 2018-01-12  Nathan Sidwell  <nathan@acm.org>
3054         * cp-tree.h (mark_rvalue_use): Add parm name.
3055         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3056         mark_rvalue_use.
3057         * call.c (convert_like_real): Fix formatting.
3059 2018-01-11  Jason Merrill  <jason@redhat.com>
3061         PR c++/82728 - wrong -Wunused-but-set-variable
3062         PR c++/82799
3063         PR c++/83690
3064         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3065         * decl.c (case_conversion): Likewise.
3066         * semantics.c (finish_static_assert): Call
3067         perform_implicit_conversion_flags.
3069 2018-01-11  Nathan Sidwell  <nathan@acm.org>
3071         * method.c (enum mangling_flags): Delete long-dead enum.
3073 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
3075         * parser.c (cp_parser_std_attribute_spec): When
3076         token_pair::require_open / require_close return false simply
3077         return error_mark_node, avoid duplicate cp_parser_error about
3078         expected '(' / ')', respectively.
3080 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
3082         PR c++/43486
3083         * call.c (null_ptr_cst_p): Strip location wrappers when
3084         converting from '0' to a pointer type in C++11 onwards.
3085         (conversion_null_warnings): Replace comparison with null_node with
3086         call to null_node_p.
3087         (build_over_call): Likewise.
3088         * cp-gimplify.c (cp_fold): Remove the early bailout when
3089         processing_template_decl.
3090         * cp-lang.c (selftest::run_cp_tests): Call
3091         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3092         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3093         (selftest::run_cp_tests): Move decl to bottom of file.
3094         (null_node_p): New inline function.
3095         (selftest::cp_pt_c_tests): New decl.
3096         (selftest::cp_tree_c_tests): New decl.
3097         * cvt.c (build_expr_type_conversion): Replace comparison with
3098         null_node with call to null_node_p.
3099         * error.c (args_to_string): Likewise.
3100         * except.c (build_throw): Likewise.
3101         * mangle.c (write_expression): Skip location wrapper nodes.
3102         * parser.c (literal_integer_zerop): New function.
3103         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3104         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3105         param of cp_parser_parenthesized_expression_list.  When calling
3106         warn_for_memset, replace integer_zerop calls with
3107         literal_integer_zerop, eliminating the double logical negation
3108         cast to bool.  Eliminate the special-casing for CONST_DECL in
3109         favor of the fold_for_warn within warn_for_memset.
3110         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3111         param, defaulting to false.  Convert "expr" to a cp_expr, and call
3112         maybe_add_location_wrapper on it when wrap_locations_p is true.
3113         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3114         the result for RID_ALIGNOF and RID_SIZEOF.
3115         (cp_parser_builtin_offsetof): Likewise.
3116         * pt.c: Include "selftest.h".
3117         (tsubst_copy): Handle location wrappers.
3118         (tsubst_copy_and_build): Likewise.
3119         (build_non_dependent_expr): Likewise.
3120         (selftest::test_build_non_dependent_expr): New function.
3121         (selftest::cp_pt_c_tests): New function.
3122         * tree.c: Include "selftest.h".
3123         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3124         (selftest::test_lvalue_kind): New function.
3125         (selftest::cp_tree_c_tests): New function.
3126         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3127         (cp_build_binary_op): Replace comparison with null_node with call
3128         to null_node_p.
3129         (build_address): Use location of operand when building address
3130         expression.
3132 2018-01-10  Marek Polacek  <polacek@redhat.com>
3134         PR c++/82541
3135         * call.c (build_conditional_expr_1): Check complain before warning.
3136         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3137         -Wduplicated-branches.
3139 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
3141         PR c++/81327
3142         * call.c (maybe_warn_class_memaccess): Add forward declaration.
3143         Change last argument from tree * to const vec<tree, va_gc> *, adjust
3144         args uses and check number of operands too.  Don't strip away any
3145         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
3146         Deal with src argument not having pointer type.  Check
3147         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
3148         test.
3149         (build_over_call): Call maybe_warn_class_memaccess here on the
3150         original arguments.
3151         (build_cxx_call): Rather than here on converted arguments.
3153 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
3155         PR c++/81055
3156         * init.c (build_vec_init): Avoid building an INIT_EXPR with
3157         error_mark_node as second argument.
3159 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
3161         PR c++/83734
3162         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3163         in STATEMENT_LIST.  Remove unneeded assert.
3165 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
3166             Alan Hayward  <alan.hayward@arm.com>
3167             David Sherwood  <david.sherwood@arm.com>
3169         * constexpr.c (cxx_eval_array_reference): Handle polynomial
3170         VECTOR_CST_NELTS.
3171         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3172         * call.c (build_conditional_expr_1): Likewise.
3173         * decl.c (cp_finish_decomp): Likewise.
3174         * mangle.c (write_type): Likewise.
3175         * typeck.c (structural_comptypes): Likewise.
3176         (cp_build_binary_op): Likewise.
3177         * typeck2.c (process_init_constructor_array): Likewise.
3179 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3181         PR c++/83555
3182         * typeck.c (build_static_cast_1): For static casts to reference types,
3183         call build_base_path with flag_delete_null_pointer_checks as nonnull
3184         instead of always false.  When -fsanitize=null, call
3185         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3186         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3187         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3189 2018-01-03  Nathan Sidwell  <nathan@acm.org>
3191         PR c++/83667
3192         * method.c (make_alias_for): Copy DECL_CONTEXT.
3194 2018-01-03  Marek Polacek  <polacek@redhat.com>
3196         PR c++/83592
3197         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3199 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3201         PR preprocessor/83602
3202         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3203         for builtin macros.
3205         PR c++/83634
3206         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3207         error_mark_node, return error_mark_node.
3209         Update copyright years.
3211 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
3213         PR c++/83556
3214         * tree.c (replace_placeholders_r): Pass NULL as last argument to
3215         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
3216         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3217         to false and return.
3218         (replace_placeholders): Pass NULL instead of &pset as last argument
3219         to cp_walk_tree.
3221 2018-01-02  Nathan Sidwell  <nathan@acm.org>
3223         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3224         lval var.
3226 Copyright (C) 2018 Free Software Foundation, Inc.
3228 Copying and distribution of this file, with or without modification,
3229 are permitted in any medium without royalty provided the copyright
3230 notice and this notice are preserved.