/cp
[official-gcc.git] / gcc / cp / ChangeLog
blobaec8eb79b7d64200d2984b45957a116e0d07d0ed
1 2018-06-23  Paolo Carlini  <paolo.carlini@oracle.com>
3         * decl.c (bad_specifiers): Add const location_t* parameter and
4         use locations in error messages about 'inline' and 'virtual'.
5         (mark_inline_variable): Add location_t parameter and use it in
6         error_at and pedwarn messages.
7         (grokdeclarator): Use declspecs->locations[ds_constexpr],
8         declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
9         declspecs->locations[ds_inline] in many error messages; adjust
10         bad_specifiers and mark_inline_variable calls.
11         (grokvardecl): Use declspecs->locations[ds_concept] in error message.
13 2018-06-22  Jason Merrill  <jason@redhat.com>
15         PR c++/86219 - ICE with erroneous initializer in template.
16         * constexpr.c (fold_non_dependent_expr): Add complain parm.
17         * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
18         Pass it.
19         * call.c (build_cxx_call): Don't mess with builtins in a template.
20         * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
21         produce a constant value, go back to the uninstantiated form.
23         Avoid taking the address of something just because it's in parens.
24         * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
25         (cxx_fold_indirect_ref): Use it.
26         (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
27         * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
28         * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
29         static_cast to reference type.
30         (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
32 2018-06-21  Jason Merrill  <jason@redhat.com>
34         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
36         * name-lookup.c (do_push_to_top_level): Don't allocate
37         current_lang_base.
38         (do_pop_from_top_level): Release current_lang_base.
40         Let -fmem-report see callers of cxx_make_type.
41         * lex.c (cxx_make_type): Add MEM_STAT_DECL.
42         (make_class_type): Likewise.
43         (cxx_make_type_hook): New.
44         * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
46 2018-06-20  Nathan Sidwell  <nathan@acm.org>
48         PR c++/85634
49         * friend.c (add_friend): Keep lookup sets of tempate sets.
51 2018-06-20  Paolo Carlini  <paolo.carlini@oracle.com>
53         * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
54         tidy handling of a null location_t argument; use proper location
55         information in a few additional error messages.
56         (grokdeclarator): Update calls.
58 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
59             Thomas Schwinge <thomas@codesourcery.com>
60             Cesar Philippidis  <cesar@codesourcery.com>
62         * parser.c (cp_parser_omp_clause_name): Add support for finalize
63         and if_present. Make present_or_{copy,copyin,copyout,create} aliases
64         to their non-present_or_* counterparts. Make 'self' an alias to
65         PRAGMA_OACC_CLAUSE_HOST.
66         (cp_parser_oacc_data_clause): Update GOMP mappings for
67         PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
68         PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
69         (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
70         Remove support for present_or_* clauses.
71         (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
72         (OACC_PARALLEL_CLAUSE_MASK): Likewise.
73         (OACC_DECLARE_CLAUSE_MASK): Likewise.
74         (OACC_DATA_CLAUSE_MASK): Likewise.
75         (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
76         (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
77         (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
78         (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
79         * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
80         * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
82 2018-06-20  Marek Polacek  <polacek@redhat.com>
84         PR c++/86240
85         * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
86         (fold_simple_1): Likewise.
87         * error.c (dump_expr): Likewise.
89 2018-06-20  Nathan Sidwell  <nathan@acm.org>
91         PR c++/85634
92         * cp-tree.h (lookup_keep): Drop KEEP parm.
93         (lookup_list_keep): Delete.
94         (maybe_get_fns): Declare.
95         * parser.c (cp_parser_primary_expression): Call lookup_keep here.
96         (cp_parser_template_id): Not here ...
97         * decl.c (cp_finish_decl): ... nor here ...
98         * init.c (build_raw_new_expr): ... nor here ...
99         * pt.c (process_template_parm): ... nor here ...
100         * semantics.c (perform_koenig_lookup): Call lookup_keep.
101         (finish_call_expr): Not here.
102         * tree.c (ovl_cache): Delete.
103         (ovl_make, ovl_copy): No cache.
104         (lookup_keep): Always keep.
105         (lookup_list_keep): Delete.
106         (maybe_get_fns): New, broken out of ...
107         (get_fns): ... here.  Call it.
108         (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
109         (build_min_nt_call_vec): Likewise.
111 2018-06-19  Jason Merrill  <jason@redhat.com>
113         * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
114         * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
116         PR c++/86182 - ICE with anonymous union passed to template.
117         * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
118         used to declare a named variable.
120 2018-06-18  Jason Merrill  <jason@redhat.com>
122         * tree.c (cp_expr_location): New.
123         * cp-tree.h (cp_expr_loc_or_loc): New.
124         * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
125         error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
126         typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
128         * parser.c (cp_parser_lambda_expression): Use a range for
129         LAMBDA_EXPR_LOCATION.
131         PR c++/86200 - ICE with unexpanded pack in lambda parameter.
132         * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
133         function type.
135         PR c++/81060 - ICE with unexpanded parameter pack.
136         * pt.c (check_for_bare_parameter_packs): Add loc parameter.
137         * decl.c (grokdeclarator): Call it for qualifying_scope.
139         PR c++/86171 - ICE with recursive alias instantiation.
140         * pt.c (tsubst_decl): Handle recursive alias instantiation.
142 2018-06-18  Paolo Carlini  <paolo.carlini@oracle.com>
144         * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
145         in errors about redefined default arguments; tidy.
147 2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
149         * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
150         * cp-gimplify.c (cp_fold): Likewise.
152 2018-06-15  Jason Merrill  <jason@redhat.com>
154         PR c++/86147 - wrong capture for template argument.
155         * expr.c (mark_use): Look through NOP_EXPR.
157         * name-lookup.c (do_pushtag): Don't look through complete types, but
158         don't add to them either.  Get context from current_binding_level.
159         * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
161         * decl.c (start_enum): Do compare dependent underlying type.
163         PR c++/82882 - ICE with lambda in template default argument.
164         * lambda.c (record_null_lambda_scope): New.
165         * pt.c (tsubst_lambda_expr): Use it.
166         * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
167         function that isn't open.
169         * tree.c (maybe_warn_parm_abi): Inform the location of the class.
171 2018-06-14  Marek Polacek  <polacek@redhat.com>
173         PR c++/86063
174         * decl2.c (cp_check_const_attributes): Skip trees that are not
175         TREE_LISTs.
177 2018-06-14  Jakub Jelinek  <jakub@redhat.com>
179         P0624R2 - Default constructible and assignable stateless lambdas
180         * method.c (synthesized_method_walk): For C++2a don't mark
181         sfk_constructor or sfk_copy_assignment as deleted if lambda has
182         no lambda-captures.
184 2018-06-14  Paolo Carlini  <paolo.carlini@oracle.com>
186         * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
187         OPT_Wshadow warning_at.
188         (grokfndecl): Consistently use the location_t argument in
189         literal operator diagnostic messages.
190         (grokdeclarator): Use declspecs->locations[ds_storage_class]
191         in error_at call.
192         * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
193         in permerror call.
195 2018-06-13  Jason Merrill  <jason@redhat.com>
197         PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
198         * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
199         constructors.
201         PR c++/86094 - wrong code with defaulted move ctor.
202         * class.c (classtype_has_non_deleted_move_ctor): New.
203         * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
204         Handle v12 breakage.
206 2018-06-12  Jason Merrill  <jason@redhat.com>
208         PR c++/86098 - ICE with template placeholder for TTP.
209         * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
210         CLASS_PLACEHOLDER_TEMPLATE.
212 2018-06-12  Paolo Carlini  <paolo.carlini@oracle.com>
214         * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
215         parameter and adjust error_at calls.
216         * decl.c (grok_op_properties): Adjust calls.
217         * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
219 2018-06-12  Marek Polacek  <polacek@redhat.com>
221         Core issue 1331 - const mismatch with defaulted copy constructor
222         * class.c (check_bases_and_members): When checking a defaulted
223         function, mark it as deleted rather than giving an error.
225 2018-06-11  Jason Merrill  <jason@redhat.com>
227         PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
228         * class.c (maybe_warn_about_overly_private_class): Handle inherited
229         constructors.
231         PR c++/85963 - -Wunused-but-set with ?: in template.
232         * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
234 2018-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
236         * decl.c (grok_op_properties): Consistently use the location
237         of the decl; remove special casing of POSTINCREMENT_EXPR and
238         POSTDECREMENT_EXPR wrt default arguments.
240 2018-06-05  Jason Merrill  <jason@redhat.com>
242         * constexpr.c (cxx_eval_binary_expression): Special case comparison
243         of pointers to members of the same union.
245 2018-06-11  Jason Merrill  <jason@redhat.com>
247         PR c++/86094 - wrong code with defaulted move ctor.
248         * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
250 2018-06-10  Paolo Carlini  <paolo.carlini@oracle.com>
252         * decl.c (grokfndecl): Use the location_t argument in two more places.
254 2018-06-06  Marek Polacek  <polacek@redhat.com>
256         PR c++/85977
257         * pt.c (unify): If ELTTYPE has no deducible template parms, skip
258         deduction from the list elements.
259         (type_unification_real): Check convertibility of list elements.
261 2018-06-06  Jason Merrill  <jason@redhat.com>
263         PR c++/86060 - ICE on range for with -std=c++98.
264         * parser.c (cp_parser_init_statement): Don't clobber *decl after
265         pedwarn.
267         PR c++/85710 - ICE with -Wmemset-elt-size.
268         * semantics.c (finish_call_expr): Call warn_for_memset here.
269         * parser.c (cp_parser_postfix_expression): Not here.
270         (literal_integer_zerop): No longer static.
271         * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
273 2018-06-05  Marek Polacek  <polacek@redhat.com>
275         PR c++/85976
276         * tree.c (cp_tree_equal): Handle USING_DECL.
278 2018-06-05  Jason Merrill  <jason@redhat.com>
280         PR c++/85731 - wrong error with qualified-id in template.
281         * semantics.c (finish_qualified_id_expr): build_qualified_name
282         for unbound names in the current class.
284 2018-06-04  Jason Merrill  <jason@redhat.com>
286         PR c++/61806 - missed SFINAE with partial specialization.
287         * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
288         parameter to constructor.
289         * pt.c (instantiate_class_template_1): Enable access checking
290         before call to most_specialized_partial_spec.
292         PR c++/85765 - SFINAE and non-type default template arg.
293         * pt.c (type_unification_real): Do full semantic processing if
294         substituting a partial args list replaces all template parms.
296 2018-06-03  Jason Merrill  <jason@redhat.com>
298         PR c++/85739 - ICE with pointer to member template parm.
299         * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
301 2018-06-02  Jason Merrill  <jason@redhat.com>
303         PR c++/85761 - ICE with ill-formed use of const outer variable.
304         * expr.c (mark_use): Handle location wrappers.
306 2018-06-01  Jason Merrill  <jason@redhat.com>
308         PR c++/85764 - bogus 'this' not captured error.
309         * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
310         (nonlambda_method_basetype): Handle NSDMI.
312         CWG 1581: When are constexpr member functions defined?
313         * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
314         (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
316         PR c++/58281 - explicit instantiation of constexpr
317         * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
319         * pt.c (instantiate_decl): Any defaulted function is defined.
321 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
323         PR c++/77777
324         * call.c (resolve_args): Use location of expression, not current input
325         location.
327 2018-05-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
329         Do not warn about zero-as-null when NULL is used.
330         * call.c (conversion_null_warnings): Check for pointer
331         types converted from zero constants.
332         (convert_like_real): Add a warning sentinel at the end.
333         * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
334         check null_node_p.
336 2018-05-30  Jason Merrill  <jason@redhat.com>
338         PR c++/85807 - ICE with call in template NSDMI.
339         * init.c (get_nsdmi): Use push_to/pop_from_top_level.
340         * tree.c (bot_manip): Don't set_flags_from_callee in a template.
342         PR c++/85873 - constant initializer_list array not in .rodata.
343         * tree.c (build_target_expr): Set TREE_READONLY.
344         * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
346         * parser.c (cp_parser_check_condition_declarator): Handle
347         cp_error_declarator.
349 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
351         * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
352         of using it in dead store.
354 2018-05-29  Jason Merrill  <jason@redhat.com>
356         PR c++/67445 - returning temporary initializer_list.
357         PR c++/67711 - assigning from temporary initializer_list.
358         PR c++/48562 - new initializer_list.
359         * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
360         about returning local initializer_list.
361         * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
362         * call.c (build_over_call): Warn about assignment from temporary
363         init_list.
364         * init.c (build_new_1): Warn about 'new std::initializer_list'.
365         (find_list_begin, maybe_warn_list_ctor): New.
366         (perform_member_init): Use maybe_warn_list_ctor.
368 2018-05-29  Marek Polacek  <polacek@redhat.com>
370         PR c++/85883
371         * init.c (build_new): Handle deducing a class with new
372         with more than one argument.
374 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
376         PR c++/85952
377         * init.c (build_aggr_init): For structured binding initialized from
378         array call mark_rvalue_use on the initializer.
380 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
382         * decl2.c (start_static_storage_duration_function): Use
383         splay_tree_delete_pointers.
385 2018-05-25  Jason Merrill  <jason@redhat.com>
387         PR c++/85815 - reference to member of enclosing template.
388         * search.c (lookup_base): Use currently_open_class.
389         (lookup_member): Use it regardless of -fconcepts.
390         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
392         CWG 616, 1213 - value category of subobject references.
393         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
395 2018-05-24  Jason Merrill  <jason@redhat.com>
397         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
398         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
399         generic lambda.
401 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
403         Pedwarn on a non-standard position of a C++ attribute.
404         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
405         after the namespace name.
407 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
409         * cp-tree.h (INDIRECT_TYPE_P): New.
410         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
411         joust): Use it instead of POINTER_TYPE_P.
412         * class.c (update_vtable_entry_for_fn, find_flexarrays,
413         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
414         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
415         * cxx_eval_increment_expression, potential_constant_expression_1):
416         Likewise.
417         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
418         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
419         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
420         cp_ubsan_maybe_instrument_downcast): Likewise.
421         * cvt.c (cp_convert_to_pointer, ocp_convert,
422         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
423         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
424         pp_cxx_offsetof_expression_1): Likewise.
425         * decl.c (grokparms, static_fn_type): Likewise.
426         * decl2.c (grokbitfield): Likewise.
427         * error.c (dump_expr): Likewise.
428         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
429         * init.c (warn_placement_new_too_small): Likewise.
430         * lambda.c (build_capture_proxy, add_capture): Likewise.
431         * parser.c (cp_parser_omp_for_loop): Likewise.
432         * pt.c (convert_nontype_argument, fn_type_unification,
433         uses_deducible_template_parms, check_cv_quals_for_unify,
434         dependent_type_p_r): Likewise.
435         * search.c (check_final_overrider): Likewise.
436         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
437         finish_omp_for): Likewise.
438         * tree.c (cp_build_qualified_type_real): Likewise.
439         * typeck.c (build_class_member_access_expr,
440         finish_class_member_access_expr, build_x_indirect_ref,
441         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
442         Likewise.
444 2018-05-24  Jason Merrill  <jason@redhat.com>
446         PR c++/85864 - literal template and default template arg.
447         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
449 2018-05-24  Marek Polacek  <polacek@redhat.com>
451         PR c++/85847
452         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
453         variable for its result.  Fix a condition.
454         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
456 2018-05-23  Jason Merrill  <jason@redhat.com>
458         Fix cast to rvalue reference from prvalue.
459         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
460         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
461         non-class type.  Handle xvalue argument.
462         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
463         rvalue reference.
464         * semantics.c (finish_compound_literal): Do direct-initialization,
465         not cast, to initialize a reference.
467         CWG 616, 1213 - value category of subobject references.
468         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
469         an xvalue.
470         * typeck2.c (build_m_component_ref): Likewise.
471         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
472         distinction between temporary and xvalue.
474 2018-05-23  Marek Polacek  <polacek@redhat.com>
476         Implement P0614R1, Range-based for statements with initializer.
477         * parser.c (cp_parser_range_based_for_with_init_p): New.
478         (cp_parser_init_statement): Use it.  Parse the optional init-statement
479         for a range-based for loop.
480         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
482 2018-05-22  Jason Merrill  <jason@redhat.com>
484         PR c++/81420 - not extending temporary lifetime.
485         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
486         * class.c (build_base_path): Avoid redundant move of an rvalue.
488         PR c++/85866 - error with .* in default template arg.
489         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
491 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
493         * parser.c (cp_parser_parameter_declaration_list): Remove
494         bool* parameter.
495         (cp_parser_parameter_declaration_clause): Adjust.
496         (cp_parser_cache_defarg): Likewise.
498 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
500         PR c++/84588
501         * parser.c (cp_parser_maybe_commit_to_declaration,
502         cp_parser_check_condition_declarator): New.
503         (cp_parser_simple_declaration): Use the first above.
504         (cp_parser_condition): Use both the above; enforce
505         [stmt.stmt]/2 about the declarator not specifying
506         a function or an array; improve error-recovery.
508 2018-05-20  Jason Merrill  <jason@redhat.com>
510         PR libstdc++/85843 - warning in logic_error copy constructor.
511         * class.c (type_has_user_nondefault_constructor): Check for a
512         user-provided ctor, not user-declared.
514 2018-05-19  Jason Merrill  <jason@redhat.com>
516         * pt.c (tsubst_pack_expansion): Sorry rather than abort
517         on __integer_pack as subexpression of pattern.
519 2018-05-18  Jason Merrill  <jason@redhat.com>
521         PR c++/58407 - deprecated implicit copy ops.
522         * call.c (build_over_call): Warn about deprecated trivial fns.
523         * class.c (classtype_has_user_copy_or_dtor): New.
524         (type_build_ctor_call): Check TREE_DEPRECATED.
525         (type_build_dtor_call): Likewise.
526         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
527         Add checks.  Return bool.  Handle -Wdeprecated-copy.
528         (mark_used): Use it.
529         * decl.c (grokdeclarator): Remove redundant checks.
530         * typeck2.c (build_functional_cast): Likewise.
531         * method.c (lazily_declare_fn): Mark deprecated copy ops.
532         * init.c (build_aggr_init): Only set TREE_USED if there are
533         side-effects.
535 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
537         PR c++/85782
538         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
539         OACC_LOOPs.
541 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
543         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
544         (potential_constant_expression_1): Likewise.
546 2018-05-16  Marek Polacek  <polacek@redhat.com>
548         PR c++/85363
549         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
550         * tree.c (bot_manip): Call set_flags_from_callee for
551         AGGR_INIT_EXPRs too.
553 2018-05-15  Jason Merrill  <jason@redhat.com>
555         * cp-tree.h (cp_expr): Remove copy constructor.
556         * mangle.c (struct releasing_vec): Declare copy constructor.
558         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
560         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
561         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
562         is a throw-expression.
564 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
566         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
567         (FOR_EACH_CLONE): Update.
568         * decl.c (grokdeclarator): Use it.
569         * decl2.c (vague_linkage_p): Likewise.
570         * mangle.c (mangle_decl): Likewise.
571         * method.c (lazily_declare_fn): Likewise.
572         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
573         * repo.c (repo_emit_p): Likewise.
574         * tree.c (decl_linkage): Likewise.
576 2018-05-14  Jason Merrill  <jason@redhat.com>
578         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
579         * tree.c (build_cp_fntype_variant): New.
580         (build_ref_qualified_type, build_exception_variant)
581         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
582         (cxx_type_hash_eq, cp_check_qualified_type): Check
583         TYPE_HAS_LATE_RETURN_TYPE.
584         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
585         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
586         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
587         (adjust_clone_args): Likewise.
588         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
589         build_cp_fntype_variant.
590         (grokdeclarator): Pass late_return_type_p to grokfndecl.
591         (check_function_type): Use cxx_copy_lang_qualifiers.
592         (static_fn_type): Use cxx_copy_lang_qualifiers.
593         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
594         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
595         (change_return_type): Use cxx_copy_lang_qualifiers.
596         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
597         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
598         return type on the declarator like a normal trailing return type.
599         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
600         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
601         * typeck.c (merge_types): Use build_cp_fntype_variant.
603 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
605         * cp-tree.h (TYPE_REF_P): New.
606         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
607         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
608         direct_reference_binding, reference_binding, implicit_conversion,
609         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
610         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
611         build_over_call, perform_implicit_conversion_flags,
612         extend_ref_init_temps, type_has_extended_temps): Use it.
613         * class.c (one_inheriting_sig, check_field_decls,
614         check_bases_and_members, find_flexarrays, finish_struct,
615         fixed_type_or_null): Likewise.
616         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
617         non_const_var_error, cxx_eval_constant_expression,
618         potential_constant_expression_1): Likewise.
619         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
620         cp_genericize_r, cxx_omp_privatize_by_reference,
621         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
622         cp_fold_maybe_rvalue): Likewise.
623         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
624         * cvt.c (build_up_reference, convert_to_reference,
625         convert_from_reference, convert_to_void, noexcept_conv_p,
626         fnptr_conv_p): Likewise.
627         * decl.c (poplevel, check_for_uninitialized_const_var,
628         check_initializer, initialize_local_var, cp_finish_decl,
629         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
630         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
631         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
632         decl_maybe_constant_var_p): Likewise.
633         * error.c (dump_type_prefix, dump_expr): Likewise.
634         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
635         is_admissible_throw_operand_or_catch_parameter): Likewise.
636         * expr.c (mark_use): Likewise.
637         * init.c (build_zero_init_1, build_value_init_noctor,
638         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
639         build_new, build_delete): Likewise.
640         * lambda.c (build_lambda_object): Likewise.
641         * mangle.c (write_expression, write_template_arg): Likewise.
642         * method.c (forward_parm, do_build_copy_constructor,
643         do_build_copy_assign, build_stub_object, constructible_expr,
644         walk_field_subobs): Likewise.
645         * parser.c (cp_parser_omp_for_loop_init,
646         cp_parser_omp_declare_reduction_exprs,
647         cp_parser_omp_declare_reduction): Likewise.
648         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
649         convert_template_argument, tsubst_pack_expansion,
650         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
651         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
652         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
653         value_dependent_expression_p, build_deduction_guide): Likewise.
654         * semantics.c (finish_handler_parms, finish_non_static_data_member,
655         finish_compound_literal, omp_privatize_field,
656         handle_omp_array_sections_1, handle_omp_array_sections,
657         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
658         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
659         finish_omp_clauses, finish_decltype_type, capture_decltype,
660         finish_builtin_launder): Likewise.
661         * tree.c (lvalue_kind, cp_build_reference_type, move,
662         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
663         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
664         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
665         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
666         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
667         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
668         convert_for_initialization,
669         maybe_warn_about_returning_address_of_local, check_return_expr,
670         cp_type_quals, casts_away_constness, non_reference): Likewise.
671         * typeck2.c (cxx_readonly_error, store_init_value,
672         process_init_constructor_record, build_x_arrow, build_functional_cast,
673         add_exception_specifier): Likewise.
675 2018-05-14  Jason Merrill  <jason@redhat.com>
677         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
678         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
680 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
682         PR c/85696
683         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
684         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
685         cxx_omp_predetermined_sharing_1.  Rename old function to ...
686         (cxx_omp_predetermined_sharing_1): ... this.
687         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
688         instead of cxx_omp_predetermined_sharing.
690 2018-05-10  Jason Merrill  <jason@redhat.com>
692         * decl.c (cp_finish_decl): Don't instantiate auto variable.
693         (check_static_variable_definition): Allow auto.
694         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
696         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
697         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
699         Core issue 2310 - conversion to base of incomplete type.
700         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
702         CWG 2267 - list-initialization of reference temporary
703         * call.c (reference_binding): List-initializing a reference
704         temporary is copy-list-initialization.
706         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
708         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
709         instantiation in template context.
711         * class.c (vbase_has_user_provided_move_assign): Use
712         user_provided_p.
714         * lambda.c (lambda_expr_this_capture): Improve logic.
716         * decl.c (make_typename_type): s/parameters/arguments/.
717         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
718         * pt.c (make_pack_expansion): Correct error message.
720 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
722         PR c++/85662
723         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
724         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
725         fold_convert.
727 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
729         PR c++/85400
730         * decl2.c (adjust_var_decl_tls_model): New static function.
731         (comdat_linkage): Call it on a variable.
732         (maybe_make_one_only): Likewise.
734 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
736         PR c++/85713
737         Revert:
738         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
740         PR c++/84588
741         * parser.c (cp_parser_parameter_declaration_list): When the
742         entire parameter-declaration-list is erroneous maybe call
743         abort_fully_implicit_template.
745 2018-05-08  Jason Merrill  <jason@redhat.com>
747         PR c++/85706 - class deduction under decltype
748         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
749         *walk_subtrees whether or not we walked into the operand.
750         (type_uses_auto): Only look at deduced contexts.
752 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
754         PR c++/84588
755         * parser.c (cp_parser_parameter_declaration_list): When the
756         entire parameter-declaration-list is erroneous maybe call
757         abort_fully_implicit_template.
759 2018-05-08  Marek Polacek  <polacek@redhat.com>
761         PR c++/85695
762         * semantics.c (finish_if_stmt_cond): See through typedefs.
764 2018-05-07  Jason Merrill  <jason@redhat.com>
766         PR c++/85646 - lambda visibility.
767         * decl2.c (determine_visibility): Don't mess with template arguments
768         from the containing scope.
769         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
770         thunk.
772 2018-05-07  Nathan Sidwell  <nathan@acm.org>
774         Remove fno-for-scope
775         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
776         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
777         (SET_DECL_SHADOWED_FOR_VAR): Delete.
778         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
779         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
780         Don't declare.
781         * name-lookup.h (struct cp_binding_level): Remove
782         dead_vars_from_for field.
783         * cp-lang.c (cp_init_ts): Delete.
784         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
785         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
786         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
787         (init_shadowed_var_for_decl): Delete.
788         * decl.c (poplevel): Remove shadowed for var handling.
789         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
790         * name-lookup.c (find_local_binding): Remove shadowed for var
791         handling.
792         (check_local_shadow): Likewise.
793         (check_for_out_of_scope_variable): Delete.
794         * parser.c (cp_parser_primary_expression): Remove shadowed for var
795         handling.
796         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
797         * semantics.c (begin_for_scope): Always have a scope.
798         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
799         (begin_range_for_stmt, finish_id_expression): Likewise.
801 2018-05-07  Jason Merrill  <jason@redhat.com>
803         PR c++/85618 - ICE with initialized VLA.
804         * tree.c (vla_type_p): New.
805         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
806         rather than array_of_runtime_bound_p.
808 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
810         * cvt.c (ocp_convert): Early handle the special case of a
811         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
813 2018-05-03  Jason Merrill  <jason@redhat.com>
815         PR c++/85600 - virtual delete failure.
816         * init.c (build_delete): Always save_expr when deleting.
818 2018-05-03  Nathan Sidwell  <nathan@acm.org>
820         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
821         * name-lookup.c (do_pushdecl): Likewise.
823 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
824             Jason Merrill  <jason@redhat.com>
826         PR c++/68374
827         * name-lookup.c (check_local_shadow): Don't handle static old
828         declarations in the block handling locals shadowing locals.
830 2018-05-01  Jason Merrill  <jason@redhat.com>
832         PR c++/85587 - error with scoped enum in template.
833         * semantics.c (finish_qualified_id_expr): Don't return an
834         unqualified IDENTIFIER_NODE.
836 2018-04-30  Jason Merrill  <jason@redhat.com>
838         PR c++/85580 - extern "C" and local variables
839         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
841         PR c++/84701 - unsigned typeof.
842         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
843         of long/short/signed/unsigned.
845         PR c++/85305 - pack in lambda init-capture.
846         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
847         check_for_bare_parameter_packs in a subexpression.
848         (cp_parser_lambda_introducer): Use it.
850         PR c++/61982 - dead stores to destroyed objects.
851         * call.c (build_trivial_dtor_call): New, assigns a clobber.
852         (build_over_call, build_special_member_call): Use it.
853         * cp-tree.h: Declare it.
854         * init.c (build_delete): Remove trivial path.
856         * init.c (build_dtor_call): Use build_special_member_call.
857         (build_delete): Remove redundant uses of save_addr.
859         * decl.c (build_clobber_this): Use build_clobber.
861 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
863         PR c++/85553
864         * init.c (build_zero_init_1): For zero initialization of
865         NULLPTR_TYPE_P type use build_int_cst directly.
867 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
869         PR c++/85515
870         * name-lookup.c (consider_binding_level): Skip compiler-generated
871         variables.
872         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
873         nested if statements into a series of rejection tests.  Reject
874         lambda-ignored entities as suggestions.
876 2018-04-27  Jason Merrill  <jason@redhat.com>
878         * cvt.c (cp_fold_convert): Use convert_ptrmem.
879         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
881 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
883         PR c++/84691
884         * decl.c (grokdeclarator): Clear friendp upon definition in local
885         class definition error.
887 2018-04-27  Jason Merrill  <jason@redhat.com>
889         PR c++/85545 - ICE with noexcept PMF conversion.
890         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
891         build_ptrmemfunc.
892         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
893         adjustment.
894         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
896 2018-04-27  Nathan Sidwell  <nathan@acm.org>
898         * typeck.c (convert_ptrmem): Move local var decls to initialization.
900         * cp-tree.h (TEMPLATE_INFO): Fix comments.
901         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
902         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
903         (dump, print_other_binding_stacks): Remove declarations.
904         * name-lookup.c (print_other_binding_stack): Make static.
905         * pt.c (build_template_decl): Make static.
907 2018-04-26  Jason Merrill  <jason@redhat.com>
909         PR c++/85545 - ICE with noexcept PMF conversion.
910         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
912 2018-04-25  Nathan Sidwell  <nathan@acm.org>
914         PR c++/85437
915         PR c++/49171
916         * cp-tree.h (REINTERPRET_CAST_P): New.
917         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
918         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
919         for non-trivial PTRMEM_CST cases.
920         * typeck.c (build_nop_reinterpret): New.
921         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
922         NOP_EXPRs returned by cp_convert.
924 2018-04-23  Jason Merrill  <jason@redhat.com>
926         PR c++/69560 - wrong alignof(double) on x86.
927         CWG 1879 - Inadequate definition of alignment requirement.
928         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
929         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
930         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
931         (cxx_alignof_expr): Pass it.
932         * parser.c (cp_parser_unary_expression): Pass it.
933         * pt.c (tsubst_copy): Copy it.
934         (tsubst_copy_and_build): Pass it.
935         * decl.c (fold_sizeof_expr): Pass it.
937 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
938             Jason Merrill  <jason@redhat.com>
940         PR c++/85470 - wrong error with static data member.
941         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
942         * typeck2.c (store_init_value): Likewise.
944 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
946         PR c++/85462
947         * cp-tree.h (tinst_level): Remove in_system_header_p member,
948         change refcount member from unsigned char to unsigned short,
949         add refcount_infinity static data member, adjust comments.
950         * pt.c (tinst_level::refcount_infinity): Define.
951         (inc_refcount_use): Remove assert, don't increment if refcount
952         is already refcount_infinity, adjust comment.
953         (dec_refcount_use): Remove assert, don't decrement if refcount
954         is refcount_infinity, adjust comment.
955         (push_tinst_level_loc): Formatting fix.
957 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
959         PR c++/84611
960         * pt.c (lookup_template_class_1): Check pushtag return value for
961         error_mark_node.
963 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
965         PR c++/80290
966         * cp-tree.h (tinst_level::free): Fix whitespace.
968 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
970         PR c++/84630
971         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
972         for error_mark_node.
974 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
976         PR c++/84463
977         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
978         tricks from here to ...
979         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
980         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
982 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
984         PR c++/80290
985         * cp-tree.h (struct tinst_level): Split decl into tldcl and
986         targs.  Add private split_list_p, tree_list_p, and not_list_p
987         inline const predicates; to_list private member function
988         declaration; free public member function declaration; list_p,
989         get_node and maybe_get_node accessors, and refcount data
990         member.  Narrow errors to unsigned short.
991         * error.c (print_instantiation_full_context): Use new
992         accessors.
993         (print_instantiation_partial_context_line): Likewise.  Drop
994         const from tinst_level-typed parameter.
995         * mangle.c (mangle_decl_string): Likewise.
996         * pt.c (freelist): New template class.
997         (tree_list_freelist_head): New var.
998         (tree_list_freelist): New fn, along with specializations.
999         (tinst_level_freelist_head): New var.
1000         (pending_template_freelist_head): Likewise.
1001         (tinst_level_freelist, pending_template_freelist): New fns.
1002         (tinst_level::to_list, tinst_level::free): Define.
1003         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1004         (set_refcount_ptr): New template fn.
1005         (add_pending_template): Adjust for refcounting, freelists and
1006         new accessors.
1007         (neglectable_inst_p): Take a NULL d as a non-DECL.
1008         (limit_bad_template_recursion): Use new accessors.
1009         (push_tinst_level): New overload to create the list.
1010         (push_tinst_level_loc): Make it static, split decl into two
1011         args, adjust tests and initialization to cope with split
1012         lists, use freelist, adjust for refcounting.
1013         (push_tinst_level_loc): New wrapper with the old interface.
1014         (pop_tinst_level): Adjust for refcounting.
1015         (record_last_problematic_instantiation): Likewise.
1016         (reopen_tinst_level): Likewise.  Use new accessors.
1017         (instantiate_alias_template): Adjust for split list.
1018         (fn_type_unification): Likewise.
1019         (get_partial_spec_bindings): Likewise.
1020         (instantiate_pending_templates): Use new accessors.  Adjust
1021         for refcount.  Release pending_template to freelist.
1022         (instantiating_current_function_p): Use new accessors.
1024 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
1026         PR c++/85039
1027         * parser.c (cp_parser_builtin_offset): Reject type definitions.
1028         * mangle.c (nested_anon_class_index): Avoid crash returning -1
1029         if we've seen errors.
1031 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
1033         PR c++/85385
1034         * name-lookup.c (macro_use_before_def::maybe_make): New function,
1035         checking that the use is indeed before the definition.
1036         (macro_use_before_def::macro_use_before_def): Make private.
1037         (macro_use_before_def::~macro_use_before_def): Make private.  Move
1038         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1039         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1040         than using new directly.
1042 2018-04-12  Jason Merrill  <jason@redhat.com>
1044         PR c++/85356 - ICE with pointer to member function.
1045         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1046         flag_noexcept_type.  Build the new spec within the function context.
1047         * except.c (build_noexcept_spec): Do get constant value in templates
1048         if flag_noexcept_type.
1049         * decl.c (check_redeclaration_exception_specification): Don't
1050         instantiate noexcept on a dependent declaration.
1052 2018-04-12  Marek Polacek  <polacek@redhat.com>
1054         PR c++/85258
1055         * constexpr.c (reduced_constant_expression_p): Return false for null
1056         trees.
1058 2018-04-11  Marek Polacek  <polacek@redhat.com>
1060         PR c++/85032
1061         * constexpr.c (potential_constant_expression_1): Consider conversions
1062         from classes to literal types potentially constant.
1064 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
1066         PR c++/70808
1067         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1068         the type like TYPE_PTR_OR_PTRMEM_P.
1070 2018-04-10  Jason Merrill  <jason@redhat.com>
1072         PR debug/65821 - wrong location for main().
1073         * call.c (clear_location_r, convert_default_arg): Revert.
1074         * tree.c (break_out_target_exprs): Add clear_location parm.
1075         (struct bot_data): New.
1076         (bot_manip): Clear location if requested.
1077         * init.c (get_nsdmi): Pass clear_location.
1079 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
1081         PR c++/85110
1082         * call.c (get_fndecl_argument_location): Make non-static.
1083         * cp-tree.h (get_fndecl_argument_location): New decl.
1084         * typeck.c (convert_for_assignment): When complaining due to
1085         conversions for an argument, show the location of the parameter
1086         within the decl.
1088 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
1090         PR c++/85312 - P0962 cleanup
1091         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1092         diagnostics.
1094 2018-04-10  Jason Merrill  <jason@redhat.com>
1096         PR debug/65821 - wrong location for main().
1097         * call.c (clear_location_r): New.
1098         (convert_default_arg): Use it.
1099         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1101         PR c++/85285 - ICE with flexible array after substitution.
1102         * pt.c (instantiate_class_template_1): Check for flexible array in
1103         union.
1105 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
1107         PR c++/85227
1108         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1109         issue a pedwarn and defer trying to do bindings.
1111 2018-04-09  Jason Merrill  <jason@redhat.com>
1113         PR c++/85279 - dump_expr doesn't understand decltype.
1114         * error.c (dump_expr): Handle DECLTYPE_TYPE.
1116         PR c++/85262 - ICE with redundant qualification on constructor.
1117         * call.c (build_new_method_call_1): Move make_args_non_dependent
1118         after A::A() handling.
1120         PR c++/85277 - ICE with invalid offsetof.
1121         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1122         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1124         PR c++/85264 - ICE with excess template-parameter-list.
1125         * parser.c (cp_parser_check_template_parameters): Add template_id_p
1126         parameter.  Don't allow an extra template header if true.
1127         (cp_parser_class_head): Pass template_id_p.
1128         (cp_parser_elaborated_type_specifier): Likewise.
1129         (cp_parser_alias_declaration): Likewise.
1130         (cp_parser_check_declarator_template_parameters): Likewise.
1132 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
1134         PR c++/85194
1135         * parser.c (cp_parser_simple_declaration): For structured bindings,
1136         if *maybe_range_for_decl is NULL after parsing it, set it to
1137         error_mark_node.
1139 2018-04-09  Jason Merrill  <jason@redhat.com>
1141         PR c++/85256 - ICE capturing pointer to VLA.
1142         * lambda.c (add_capture): Distinguish between variable-size and
1143         variably-modified types.
1145 2018-04-06  Jason Merrill  <jason@redhat.com>
1147         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1148         * pt.c (extract_locals_r): Remember local typedefs.
1150 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1152         PR c++/84269
1153         * name-lookup.c (struct std_name_hint): Move out of
1154         get_std_name_hint; add field "min_dialect".
1155         (get_std_name_hint): Add min_dialect values to all initializers.
1156         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1157         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1158         <shared_mutex>, <string_view>, <thread>, and <variant>.
1159         Add fstream, ifstream, and ofstream to <fstream>.
1160         Add istringstream, ostringstream, and stringstream to <sstream>.
1161         Add basic_string to <string>.
1162         Add tuple_element and tuple_size to <tuple>.
1163         Add declval to <utility>.
1164         Fix ordering of <queue> and <tuple>.
1165         Return a std_name_hint, rather than a const char *.
1166         (get_cxx_dialect_name): New function.
1167         (maybe_suggest_missing_std_header): Detect names that aren't yet
1168         available in the current dialect, and instead of suggesting a
1169         missing #include, warn about the dialect.
1171 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
1173         PR c++/85210
1174         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1175         errorcount is set if tsubst doesn't return a VAR_DECL.
1177 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1179         PR c++/85021
1180         * name-lookup.c (using_directives_contain_std_p): New function.
1181         (has_using_namespace_std_directive_p): New function.
1182         (suggest_alternatives_for): Simplify if/else logic using early
1183         returns.  If no candidates were found, and there's a
1184         "using namespace std;" directive, call
1185         maybe_suggest_missing_std_header.
1186         (maybe_suggest_missing_header): Split later part of the function
1187         into..
1188         (maybe_suggest_missing_std_header): New.
1190 2018-04-06  Jason Merrill  <jason@redhat.com>
1192         PR c++/85242 - ICE with class definition in template parm.
1193         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1194         processing_template_parmlist.
1196         PR c++/85240 - LTO ICE with using of undeduced auto fn.
1197         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1199 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
1201         PR c++/85209
1202         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1203         is not prev, if prev == decl.
1205         PR c++/85208
1206         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1207         maybe_apply_pragma_weak here...
1208         (cp_maybe_mangle_decomp): ... but call it here instead.
1210 2018-04-05  Jason Merrill  <jason@redhat.com>
1212         PR c++/85136 - ICE with designated init in template.
1213         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1214         designated initializer.
1215         (check_array_designated_initializer): Update ce->index with the
1216         constant value.
1218         PR c++/83808 - ICE with VLA initialization.
1219         * typeck2.c (process_init_constructor_array): Don't require a VLA
1220         initializer to have VLA type.
1222 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
1224         PR c++/80956
1225         * call.c (convert_like_real): Fail gracefully for a broken
1226         std::initializer_list, missing a definition.
1228         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1230 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
1232         PR c++/84792
1233         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1234         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1236 2018-04-05  Jason Merrill  <jason@redhat.com>
1238         PR c++/82152 - ICE with class deduction and inherited ctor.
1239         * pt.c (do_class_deduction): Ignore inherited ctors.
1241         PR c++/84665 - ICE with array of empty class.
1242         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1244         PR c++/85228 - ICE with lambda in enumerator in template.
1245         * pt.c (bt_instantiate_type_proc): Don't assume
1246         CLASSTYPE_TEMPLATE_INFO is non-null.
1248 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1250         Implement P0969
1251         * decl.c (find_decomp_class_base): Check accessibility instead
1252         of declared access, adjust diagnostic.
1254 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1256         Implement P0961
1257         * decl.c (get_tuple_decomp_init): Check the templatedness
1258         of a member get.
1260 2018-04-05  Jason Merrill  <jason@redhat.com>
1262         PR c++/85200 - ICE with constexpr if in generic lambda.
1263         * pt.c (extract_locals_r): Don't record the local specs of variables
1264         declared within the pattern.
1266 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
1268         PR c++/84979
1269         * pt.c (check_auto_in_tmpl_args): New.
1270         (tsubst_qualified_id): Use it to reject template args
1271         referencing auto for non-type templates.
1272         * parser.c (cp_parser_template_id): Likewise.
1273         * cp-tree.h (check_auto_in_tmpl_args): Declare.
1274         * typeck2.c (build_functional_cast): Report correct location
1275         for invalid use of auto.
1277 2018-04-04  Jason Merrill  <jason@redhat.com>
1279         PR c++/85215 - ICE with copy-init from conversion.
1280         * call.c (merge_conversion_sequences): Fix type of direct binding
1281         sequence.
1283         PR c++/84938 - ICE with division by ~-1.
1284         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1286         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1287         * parser.c (cp_parser_mem_initializer_list): Call
1288         check_for_bare_parameter_packs.
1290 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
1292         PR inline-asm/85172
1293         * constexpr.c (cxx_eval_builtin_function_call): For calls to
1294         builtin_valid_in_constant_expr_p functions, don't call
1295         cxx_eval_constant_expression if argument is not
1296         potential_constant_expression.
1298         PR c++/85146
1299         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1300         argument.
1301         * semantics.c (calculate_bases): Add complain argument.  Use
1302         complete_type_or_maybe_complain instead of just complete_type and
1303         return an empty vector if it fails.  Move make_tree_vector () call
1304         after early return.  Formatting fixes.
1305         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
1306         end.
1307         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1308         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1309         calculate_direct_bases callers, formatting fixes.
1311 2018-04-04  Jason Merrill  <jason@redhat.com>
1313         PR c++/85006 - -fconcepts ICE with A<auto...> return type
1314         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1316         PR c++/85200 - ICE with constexpr if in generic lambda.
1317         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1319         PR c++/84221 - bogus -Wunused with attribute and template.
1320         * decl2.c (is_late_template_attribute): Handle unused and used
1321         normally on non-TYPE_DECL.
1323         PR c++/85135 - ICE with omitted template arguments.
1324         * decl.c (grokdeclarator): Catch deduced class type in trailing
1325         return type.
1327         PR c++/85133 - ICE with missing concept initializer.
1328         * decl.c (cp_finish_decl): If a concept initializer is missing, use
1329         true.
1331         PR c++/85118 - wrong error with generic lambda and std::bind.
1332         * call.c (add_template_conv_candidate): Disable if there are any
1333         call operators.
1335         PR c++/85141 - ICE with compound assignment and static member fn.
1336         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1337         compound assignment.
1339         PR c++/85148 - ICE with 'this' in array NSDMI.
1340         * tree.c (replace_placeholders_r): Use handled_component_p.
1342 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1344         PR c++/65923
1345         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1346         * parser.c (cp_parser_unqualified_id): ..not here.
1348 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
1350         PR c++/84943
1351         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1352         used.
1353         * decl2.c (mark_used): Return without effects if tf_conv.
1355 2018-04-03  Jason Merrill  <jason@redhat.com>
1357         PR c++/85092 - C++17 ICE with unused list constructor.
1358         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1359         from a TARGET_EXPR.
1361         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1362         * constexpr.c (cxx_eval_builtin_function_call): Only defer
1363         __builtin_constant_p if ctx->quiet.
1365 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
1367         PR c++/84768
1368         * pt.c (rewrite_template_parm): If the first argument is
1369         error_mark_node return it immediately.
1370         (build_deduction_guide): Check the return value of the
1371         latter for error_mark_node.
1372         (do_class_deduction): Check the return value of the latter.
1374 2018-04-03  Jason Merrill  <jason@redhat.com>
1376         * semantics.c (finish_if_stmt_cond): Use
1377         instantiation_dependent_expression_p.
1379         PR c++/85149 - generic lambda and constexpr if.
1380         * pt.c (build_extra_args, add_extra_args): Split from
1381         tsubst_pack_expansion.
1382         (tsubst_expr) [IF_STMT]: Use them.
1383         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1385         * typeck.c (merge_types): Limit matching attribute shortcut to
1386         the default case.
1388 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
1390         PR c++/85147
1391         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1393         PR c++/85140
1394         * name-lookup.c (handle_namespace_attrs): Return early if attributes
1395         is error_mark_node.
1397         PR c++/85134
1398         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1399         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1400         instead for static data members clear init and set DECL_EXTERNAL.
1402 2018-04-02  Jason Merrill  <jason@redhat.com>
1404         PR c++/64095 - auto... parameter pack.
1405         * parser.c (cp_parser_parameter_declaration): Handle turning autos
1406         into packs here.
1407         (cp_parser_parameter_declaration_list): Not here.
1409 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
1411         PR c++/85027
1412         * class.c (instantiate_type): Peel off SAVE_EXPR before
1413         BASELINK.
1415 2018-03-30  Jason Merrill  <jason@redhat.com>
1417         * typeck2.c (process_init_constructor_record): Use
1418         init_list_type_node for the CONSTRUCTOR around an anonymous union
1419         designated initializer.
1421 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
1423         PR c++/84791
1424         * semantics.c (finish_omp_reduction_clause): If
1425         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1426         even if processing_template_decl.
1428 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1430         PR c++/84269
1431         * name-lookup.c (get_std_name_hint): Add names from <memory>,
1432         <tuple>, and <utility>.
1434 2018-03-29  Jason Merrill  <jason@redhat.com>
1436         PR c++/85093 - too many template args with pack expansion.
1437         * pt.c (coerce_template_parms): Keep pack expansion args that will
1438         need to be empty.
1440 2018-03-29  Jason Merrill  <jason@redhat.com>
1442         * pt.c (build_non_dependent_expr): Propagate expr location.
1444 2018-03-27  Jason Merrill  <jason@redhat.com>
1446         PR c++/85060 - wrong-code with call to base member in template.
1447         * search.c (any_dependent_bases_p): Check uses_template_parms
1448         rather than processing_template_decl.
1450 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1452         PR c++/85110
1453         * typeck.c (convert_for_assignment): When complaining due to
1454         conversions for an argument, attempt to use the location of the
1455         argument.
1457 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
1459         PR c++/85028
1460         * pt.c (tsubst_default_argument): Early return if the type of the
1461         parameter is erroneous.
1463 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
1465         PR c++/84973
1466         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1467         templates.
1469         PR c++/84968
1470         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1472 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1474         PR c++/85067
1475         * method.c (defaulted_late_check): Partially revert r253321 changes,
1476         do not early return upon error.
1478 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1480         PR c++/85077
1481         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1482         type call fold to generate VECTOR_CSTs when possible.
1484         PR c++/85076
1485         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1486         return it right away.
1488 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
1490         * search.c (check_final_overrider): Use inform instead of error
1491         for the diagnostics of the overridden functions.  Tweak wording.
1493 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1495         PR c++/85068
1496         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1497         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
1499 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1500             Jason Merrill  <jason@redhat.com>
1502         PR c++/84632
1503         * init.c (build_aggr_init): When initializing from array,
1504         reject anything but CONSTRUCTORs and TARGET_EXPRs.
1505         (build_vec_init): Handle separately ARRAY_TYPEs.
1507 2018-03-26  Jason Merrill  <jason@redhat.com>
1509         PR c++/85062 - ICE with alignas in wrong place.
1510         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1511         here.
1513         PR c++/85049 - ICE with __integer_pack.
1514         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1515         * cp-tree.h (TEMPLATE_PARM_P): New.
1517 2018-03-23  Jason Merrill  <jason@redhat.com>
1519         PR c++/78489 - wrong SFINAE behavior.
1521         PR c++/84489
1522         * pt.c (type_unification_real): Don't defer substitution failure.
1524 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1526         PR c++/85015
1527         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1528         result.
1530         PR c++/84942
1531         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1532         cp_build_unary_op call with gcc_unreachable ().
1534 2018-03-23  Marek Polacek  <polacek@redhat.com>
1536         PR c++/85045
1537         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1538         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1539         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1541 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1543         Implement P0962
1544         * parser.c (cp_parser_perform_range_for_lookup): Change
1545         the condition for deciding whether to use members.
1547 2018-03-23  Marek Polacek  <polacek@redhat.com>
1549         PR c++/85033
1550         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1552 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1554         PR c++/71251
1555         * parser.c (cp_parser_alias_declaration): Call
1556         parser_check_template_parameters.
1558         PR c++/84789
1559         * pt.c (resolve_typename_type): Drop assert that stopped
1560         simplification to template-independent types.  Add assert to
1561         verify the initial scope is template dependent.
1562         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1563         Reparse the id expression as a type-name, not a declarator.
1565         PR c++/84729
1566         * init.c (build_vec_init): Error at parenthesized array init.
1568         PR c++/84610
1569         PR c++/84642
1570         PR c++/84942
1571         * cp-tree.h (temp_override): New template class, generalizing
1572         a cleanup that was only used...
1573         * parser.c (cp_parser_parameter_declaration_clause):
1574         ... here for auto_is_implicit_function_template_parm_p.
1575         (cp_parser_gnu_attributes_opt): Use it here as well.
1576         (cp_parser_std_attribute): Likewise.
1578 2018-03-22  Marek Polacek  <polacek@redhat.com>
1580         PR c++/84854
1581         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1582         is boolean.
1584 2018-03-21  Jason Merrill  <jason@redhat.com>
1586         PR c++/81311 - wrong C++17 overload resolution.
1587         * call.c (build_user_type_conversion_1): Remove C++17 code.
1588         (conv_binds_ref_to_prvalue): New.
1589         (build_over_call): Handle C++17 copy elision.
1590         (build_special_member_call): Only do C++17 copy elision here if the
1591         argument is already the right type.
1593 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1595         PR c++/71965
1596         * init.c (build_vec_init): Silence error, former sorry,
1597         without tf_error.
1599         PR c++/84610
1600         PR c++/84642
1601         * parser.c (abort_fully_implicit_template_p): New.
1602         (cp_parser_skip_to_end_of_statement): Use it.
1603         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1604         (finish_fully_implicit_template_p): Clear
1605         implicit_template_parms and implicit_template_scope.
1607 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1609         PR c++/84972
1610         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1611         error_mark_node when check_array_designated_initializer fails.
1613 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1615         PR c++/84961
1616         * cp-tree.h (genericize_compound_lvalue): Declare.
1617         * typeck.c (genericize_compound_lvalue): New function.
1618         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1619         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1620         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1621         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1622         COMPOUND_EXPR operand.
1624 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1626         PR c++/85008
1627         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1628         * decl2.c (vague_linkage_p): Likewise.
1630 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1632         PR c++/84994
1633         * constexpr.c (constexpr_fn_retval): Make non-"static".
1634         * cp-tree.h (constexpr_fn_retval): New decl.
1635         * search.c (direct_accessor_p): Update leading comment.
1636         (reference_accessor_p): Likewise.
1637         (field_accessor_p): Replace check that function body is a
1638         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1639         indentation of "field_type" decl.
1641 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1643         PR c++/84804
1644         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1645         complete classes.
1647 2018-03-21  Martin Sebor  <msebor@redhat.com>
1649         PR c++/84850
1650         * call.c (first_non_public_field): New template and function.
1651         (first_non_trivial_field): New function.
1652         (maybe_warn_class_memaccess): Call them.
1654 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1656         PR c++/84892
1657         * search.c (field_accessor_p): Use class_of_this_parm rather than
1658         type_of_this_parm, to check that "this" is a "const T *", rather
1659         than a "T *const".
1661 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1663         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1664         other than public non-static data members.
1665         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1666         parenthesized initializer.
1668         PR c++/84836
1669         * name-lookup.c (update_binding): Correct logic for local binding
1670         update.
1672 2018-03-21  Marek Polacek  <polacek@redhat.com>
1674         PR c++/71638, ICE with NSDMI and reference.
1675         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1676         even when we replace an element.
1678 2018-03-20  Marek Polacek  <polacek@redhat.com>
1680         PR c++/84978, ICE with NRVO.
1681         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1682         a RESULT_DECL isn't in the hash map.
1684 2018-03-20  Jason Merrill  <jason@redhat.com>
1686         PR c++/84978, ICE with NRVO.
1687         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1688         (cp_get_callee_fndecl_nofold): New.
1689         * cp-gimplify.c (cp_genericize_r): Use it instead.
1690         * call.c (check_self_delegation): Likewise.
1692 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1694         PR c++/84962
1695         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1696         member_vec, if there is one.
1698         PR c++/84970
1699         * cp-tree.h (lookup_list_keep): Declare.
1700         * tree.c (lookup_list_keep): New, broken out of ...
1701         (build_min): ... here.  Call it.
1702         * decl.c (cp_finish_decl): Call lookup_list_keep.
1704 2018-03-19  Jason Merrill  <jason@redhat.com>
1706         PR c++/84937 - ICE with class deduction and auto.
1707         * pt.c (rewrite_template_parm): Fix auto handling.
1709 2018-03-19  Marek Polacek  <polacek@redhat.com>
1711         PR c++/84925
1712         * pt.c (enclosing_instantiation_of): Check if fn is null.
1714         PR c++/84927
1715         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1716         as we evaluate the elements.
1717         (cxx_eval_constant_expression): Verify constructor's flags
1718         unconditionally.
1720 2018-03-19  Jason Merrill  <jason@redhat.com>
1722         PR c++/71834 - template-id with too few arguments.
1723         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1725 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1727         PR c++/84835
1728         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1729         * pt.c (build_template_decl): Propagate language linkage.
1731         PR c++/84812
1732         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1733         ambiguous lookups.
1735 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1737         PR c/84910
1738         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1739         diagnostics.
1740         * method.c (synthesize_method): Likewise.
1741         * pt.c (convert_nontype_argument): Likewise.
1743 2018-03-16  Jason Merrill  <jason@redhat.com>
1745         PR c++/84720 - ICE with rvalue ref non-type argument.
1746         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1747         (convert_nontype_argument): Revert earlier change.
1749         PR c++/80227 - SFINAE and negative array size.
1750         * decl.c (compute_array_index_type): Use
1751         build_converted_constant_expr and valid_constant_size_p.
1753         PR c++/84906 - silent wrong code with ambiguous conversion.
1754         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1755         ambiguous conversion.
1756         (convert_like_real): Check it.
1758         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1759         * call.c (build_special_member_call): Don't convert an init-list
1760         argument directly to the class type.
1762 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1764         PR c++/79937
1765         PR c++/82410
1766         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1767         (find_placeholder): Declare.
1768         * tree.c (struct replace_placeholders_t): Add exp member.
1769         (replace_placeholders_r): Don't walk into ctors with
1770         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1771         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1772         (replace_placeholders): Initialize data.exp.
1773         (find_placeholders_r, find_placeholders): New functions.
1774         * typeck2.c (process_init_constructor_record,
1775         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1776         if adding NSDMI on which find_placeholder returns true.
1777         * call.c (build_over_call): Don't call replace_placeholders here.
1778         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1779         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1780         TARGET_EXPR_INITIAL.
1781         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1782         ctor.
1784 2018-03-16  Jason Merrill  <jason@redhat.com>
1786         PR c++/83911 - ICE with multiversioned constructor.
1787         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1788         dispatchere here.
1789         * call.c (build_over_call): Not here.
1791 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1793         PR c++/84874
1794         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1795         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1797 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1799         PR c++/84222
1800         * cp-tree.h (cp_warn_deprecated_use): Declare.
1801         * tree.c (cp_warn_deprecated_use): New function.
1802         * typeck2.c (build_functional_cast): Use it.
1803         * decl.c (grokparms): Likewise.
1804         (grokdeclarator): Likewise.  Temporarily push nested class scope
1805         around grokparms call for out of class member definitions.
1807 2018-03-14  Jason Merrill  <jason@redhat.com>
1809         PR c++/84820 - no error for invalid qualified-id.
1810         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1811         cp_error_declarator.
1813         PR c++/84801 - ICE with unexpanded pack in lambda.
1814         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1815         lambda in non-template context.
1817         PR c++/81236 - auto variable and auto function
1818         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1819         mark_used.
1821 2018-03-14  Jason Merrill  <jason@redhat.com>
1823         PR c++/83916 - ICE with template template parameters.
1824         * pt.c (convert_template_argument): Don't substitute into type of
1825         non-type parameter if we don't have enough arg levels.
1826         (unify): Likewise.
1828 2018-03-14  Marek Polacek  <polacek@redhat.com>
1830         PR c++/84596
1831         * semantics.c (finish_static_assert): Check
1832         instantiation_dependent_expression_p instead of
1833         {type,value}_dependent_expression_p.
1835 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1836             Jason Merrill  <jason@redhat.com>
1838         PR c++/82336 - link error with list-init default argument.
1839         * decl.c (check_default_argument): Unshare an initializer list.
1841 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1843         PR c++/84843
1844         * decl.c (duplicate_decls): For redefinition of built-in, use error
1845         and return error_mark_node.  For redeclaration, return error_mark_node
1846         rather than olddecl if !flag_permissive.
1848 2018-03-13  Jason Merrill  <jason@redhat.com>
1850         PR c++/82565 - ICE with concepts and generic lambda.
1851         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1853 2018-03-13  Jason Merrill  <jason@redhat.com>
1855         PR c++/84720 - ICE with rvalue ref non-type argument.
1856         * pt.c (convert_nontype_argument): Handle rvalue references.
1858         PR c++/84839 - ICE with decltype of parameter pack.
1859         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1860         instantiating dummy parms.
1862         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1863         parameter even without -Wpedantic.
1865         PR c++/84798 - ICE with auto in abstract function declarator.
1866         * parser.c (cp_parser_parameter_declaration_clause): Check
1867         parser->default_arg_ok_p.
1869 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1871         PR c++/84808
1872         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1873         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1874         sizetype.  Formatting fixes.
1876 2018-03-12  Jason Merrill  <jason@redhat.com>
1878         PR c++/84355 - ICE with deduction for member class template.
1879         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1880         CLASS_PLACEHOLDER_TEMPLATE.
1882         PR c++/84802 - ICE capturing uninstantiated class.
1883         * lambda.c (build_capture_proxy): Call complete_type.
1885 2018-03-09  Jason Merrill  <jason@redhat.com>
1887         PR c++/84770 - ICE with typedef and parameter pack.
1888         * pt.c (verify_unstripped_args_1): Split out from
1889         verify_unstripped_args.
1891         PR c++/84785 - ICE with alias template and default targs.
1892         * pt.c (type_unification_real): Set processing_template_decl if
1893         saw_undeduced == 1.
1895         PR c++/84752 - ICE with capture of constexpr array.
1896         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1897         identity conversion under ck_lvalue.
1899 2018-03-09  Jason Merrill  <jason@redhat.com>
1900             Paolo Carlini  <paolo.carlini@oracle.com>
1902         PR c++/71169
1903         PR c++/71832
1904         * pt.c (any_erroneous_template_args_p): New.
1905         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1906         * parser.c (cp_parser_class_specifier_1): Use it.
1908 2018-03-09  Jason Merrill  <jason@redhat.com>
1910         PR c++/84726 - unnecessary capture of constant vars.
1911         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1912         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1913         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1914         * lambda.c (is_constant_capture_proxy)
1915         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1916         (prune_lambda_captures): New.
1917         (finish_lambda_function): Call prune_lambda_captures.
1919 2018-03-09  Jason Merrill  <jason@redhat.com>
1920             Jakub Jelinek  <jakub@redhat.com>
1922         PR c++/84076
1923         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1924         build ADDR_EXPR with REFERENCE_TYPE.
1925         (build_over_call): For purposes of check_function_arguments, if
1926         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1927         its operand rather than the argument itself.
1929 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1931         PR c++/84724
1932         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1933         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1934         also a note and return olddecl.
1936 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1938         PR c++/84733
1939         * name-lookup.c (do_pushdecl_with_scope): Only clear
1940         current_function_decl when pushing a non-class (i.e. namespace)
1941         scope.
1943 2018-03-08  Jason Merrill  <jason@redhat.com>
1944             Jakub Jelinek  <jakub@redhat.com>
1946         PR c++/80598
1947         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1948         not calling mark_used for the benefit of -Wunused-function warning.
1950 2018-03-06  Jason Merrill  <jason@redhat.com>
1952         * lambda.c (is_capture_proxy_with_ref): Remove.
1953         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1955 2018-03-06  Marek Polacek  <polacek@redhat.com>
1957         PR c++/84684
1958         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1959         arguments.
1961 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1963         PR c++/84231
1964         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1965         only while processing template decls.
1966         * typeck.c (build_x_conditional_expr): Move wrapping of
1967         reference type around type...
1968         * call.c (build_conditional_expr_1): ... here.  Rename
1969         is_lvalue to is_glvalue.
1970         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1971         INDIRECT_REF of COND_EXPR too.
1973         PR c++/84593
1974         * init.c (build_zero_init_1): Zero-initialize references.
1976         PR c++/84492
1977         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1978         overloads used as stmt expr values.
1980 2018-03-05  Jason Merrill  <jason@redhat.com>
1982         PR c++/84708 - ICE with lambda in local class NSDMI.
1983         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1984         context.
1986 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1988         PR c++/84684
1989         * constexpr.c (constexpr_call_hasher::equal): Return false if
1990         lhs->hash != rhs->hash.  Change return 1 to return true and
1991         return 0 to return false.
1993 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1995         PR c++/84702
1996         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1998 2018-03-05  Marek Polacek  <polacek@redhat.com>
2000         PR c++/84707
2001         * decl.c (duplicate_decls): Check DECL_NAME before accessing
2002         UDLIT_OPER_P.
2004 2018-03-05  Nathan Sidwell  <nathan@acm.org>
2006         PR c++/84694
2007         * friend.c (do_friend): Restore check for identifier_p inside
2008         TEMPLATE_ID_EXPR.
2010 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
2012         PR c++/84618
2013         * parser.c (cp_parser_lambda_introducer): Reject any capture not
2014         involving a VAR_DECL or a PARM_DECL.
2016 2018-03-05  Pádraig Brady  <P@draigBrady.com>
2017             Jason  Merrill  <jason@redhat.com>
2018             Nathan Sidwell  <nathan@acm.org>
2020         PR c++/84497
2021         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2023 2018-03-03  Jason Merrill  <jason@redhat.com>
2025         PR c++/84686 - missing volatile loads.
2026         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2028 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
2030         PR c++/71464
2031         * optimize.c (maybe_thunk_body): Bail out immediately if either
2032         fns[0] or fns[1] is null.
2034 2018-03-02  Marek Polacek  <polacek@redhat.com>
2036         PR c++/84578
2037         * constexpr.c (get_array_or_vector_nelts): New.
2038         (cxx_eval_array_reference): Use it.
2039         (cxx_eval_vec_init_1): Likewise.
2040         (cxx_eval_store_expression): Likewise.
2042 2018-03-02  Jason Merrill  <jason@redhat.com>
2044         * semantics.c (force_paren_expr): Remove redundant test.
2046 2018-03-02  Marek Polacek  <polacek@redhat.com>
2048         PR c++/84663
2049         * decl.c (cp_complete_array_type): Check error_mark_node.
2051         PR c++/84664
2052         * typeck.c (cp_perform_integral_promotions): Check the result of
2053         mark_rvalue_use.
2055 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
2057         PR c++/84662
2058         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2059         RETURN instead of return.
2060         <case POINTER_PLUS_EXPR>: Likewise.
2061         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2062         it instead of wrapping it into CONVERT_EXPR.
2064 2018-03-02  Jason Merrill  <jason@redhat.com>
2066         Fix MIPS16 ICE.
2067         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2069 2018-03-02  Marek Polacek  <polacek@redhat.com>
2071         PR c++/84590
2072         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2073         wrapped in VIEW_CONVERT_EXPR.
2075 2018-03-01  Martin Sebor  <msebor@redhat.com>
2077         PR c++/84294
2078         * decl.c (check_redeclaration_no_default_args): Merge attributes
2079         specified on redeclarations of the same function template.
2080         Remove dead code.
2082 2018-03-01  Marek Polacek  <polacek@redhat.com>
2083             Jason Merrill  <jason@redhat.com>
2085         PR c++/84582
2086         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2087         a template.
2088         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2089         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2090         of instantiate_non_dependent_expr.
2091         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2093 2018-03-01  Nathan Sidwell  <nathan@acm.org>
2095         PR c++/84434
2096         * name-lookup.c (member_vec_dedup): Remove manually peeled
2097         iteration.  Ignore dependent ctor inheritance.
2099 2018-03-01  Jason Merrill  <jason@redhat.com>
2101         PR c++/71569 - decltype of template.
2102         * parser.c (cp_parser_decltype_expr): Handle missing template args.
2104 2018-03-01  Marek Polacek  <polacek@redhat.com>
2106         PR c++/84596
2107         * constexpr.c (require_rvalue_constant_expression): New function.
2108         * cp-tree.h: Declare it.
2109         * semantics.c (finish_static_assert): Use it instead of
2110         require_potential_rvalue_constant_expression.
2112 2018-03-01  Jason Merrill  <jason@redhat.com>
2113             Alexandre Oliva <aoliva@redhat.com>
2115         PR c++/71569 - ICE with redundant args on member variable template.
2116         * decl.c (start_decl): Handle partial specialization of member
2117         variable template.
2118         * pt.c (determine_specialization): Allow partial specialization
2119         of member variable template without specializing enclosing class.
2120         (process_partial_specialization): Improve error message.
2122 2018-02-28  Jason Merrill  <jason@redhat.com>
2124         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2125         * pt.c (determine_specialization): Check ref-qualifier.
2127 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2129         PR c++/84609
2130         * parser.c (cp_parser_attributes_opt): Formatting fix.
2131         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2132         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2133         New functions.
2134         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2135         instead of tentative parse to peek over optional attribute tokens
2136         to check for CPP_COLON after them.
2138         PR c++/83871
2139         PR c++/83503
2140         * pt.c (INCLUDE_STRING): Remove define.
2141         (warn_spec_missing_attributes): Use pretty_printer instead of
2142         std::string.  Fix up inform call so that the list of attributes
2143         is in %s argument.
2145 2018-02-28  Martin Sebor  <msebor@redhat.com>
2147         PR testsuite/84617
2148         * decl.c (duplicate_decls): Fully merge attributes const, pure,
2149         and malloc.
2151 2018-02-28  Nathan Sidwell  <nathan@acm.org>
2153         PR c++/84602
2154         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2155         * name-lookup.c (fields_linear_search): Look in an anon-aggr
2156         regardless of want_type.
2157         (search_anon_aggr): Just use get_class_binding_direct.
2159 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2161         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2162         inform_n.
2164 2018-02-27  Martin Sebor  <msebor@redhat.com>
2166         * pt.c: Avoid including <string> directly.
2168 2018-02-27  Martin Sebor  <msebor@redhat.com>
2170         PR c++/83871
2171         PR c++/83503
2172         * cp-tree.h (warn_spec_missing_attributes): New function.
2173         ((check_explicit_specialization): Add an argument.  Call the above
2174         function.
2175         * decl.c (duplicate_decls): Avoid applying primary function template's
2176         attributes to its explicit specializations.
2177         cp/pt.c (warn_spec_missing_attributes): Define.
2179 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
2181         PR c++/71546 - lambda init-capture with qualified-id.
2182         * parser.c (cp_parser_lambda_introducer): Clear scope after
2183         each lambda capture.
2185 2018-02-27  Nathan Sidwell  <nathan@acm.org>
2187         PR c++/84426
2188         * name-lookup.h (get_member_slot): Rename ...
2189         (find_member_slot): ... here.
2190         (add_member_slot): New.
2191         * name-lookup.c (member_vec_linear_search): No need to check for
2192         NULL slot.
2193         (get_member_slot): Rename ...
2194         (find_member_slot): ... here.  Don't add slot for incomplete class.
2195         (add_member_slot): New.
2196         * class.c (add_method): Adjust get_member_slot rename.  Bail out
2197         if push_class_level_binding fails.  Create slot and grok
2198         properties once we're committed to insertion.
2200 2018-02-27  Jason Merrill  <jason@redhat.com>
2202         PR c++/84489 - dependent default template argument
2203         * pt.c (type_unification_real): Handle early substitution failure.
2205 2018-02-26  Jason Merrill  <jason@redhat.com>
2207         PR c++/84560 - ICE capturing multi-dimensional VLA.
2208         * tree.c (array_of_runtime_bound_p): False if the element is
2209         variably-modified.
2211         PR c++/84441 - ICE with base initialized from ?:
2212         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2214         PR c++/84520 - ICE with generic lambda in NSDMI.
2215         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2216         'this' in a generic lambda instantiation.
2218         PR c++/84559 - ICE with constexpr VLA.
2219         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2220         for constexpr variable with VLA type.
2222 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
2224         PR c++/84558
2225         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2226         a valid constant initializer.  Formatting fixes.
2228 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2230         PR c++/84540
2231         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2232         returning NULL_TREE.
2233         (apply_late_template_attributes): Likewise.
2235 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
2237         PR c++/84557
2238         * parser.c (cp_parser_omp_var_list_no_open): Only call
2239         cp_parser_lookup_name_simple on names satisfying identifier_p.
2240         (cp_parser_oacc_routine): Likewise.
2242 2018-02-26  Jason Merrill  <jason@redhat.com>
2244         PR c++/84551 - ICE with concepts and -g.
2245         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2247 2018-02-26  Marek Polacek  <polacek@redhat.com>
2249         PR c++/84325
2250         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2251         non-types.
2253 2018-02-26  Jason Merrill  <jason@redhat.com>
2255         PR c++/84447 - ICE with deleted inherited ctor with default arg.
2256         * call.c (build_over_call): Handle deleted functions in one place.
2258 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2260         PR c++/84533
2261         * decl.c (redeclaration_error_message): Don't try to use
2262         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2264 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2266         * lambda.c (build_capture_proxy): Define static.
2267         * cp-tree.h (build_capture_proxy): Remove.
2269 2018-02-26  Marek Polacek  <polacek@redhat.com>
2271         PR c++/84537
2272         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2273         if name is error node.
2275 2018-02-25  Jason Merrill  <jason@redhat.com>
2277         PR c++/84015 - ICE with class deduction and auto template parm.
2278         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2280 2018-02-24  Marek Polacek  <polacek@redhat.com>
2282         PR c++/83692
2283         * constexpr.c (maybe_constant_init_1): New function.
2284         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2285         (cxx_constant_init): New function.
2286         * cp-tree.h (cxx_constant_init): Declare.
2287         * typeck2.c (store_init_value): Call cxx_constant_init instead of
2288         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
2290 2018-02-22  Jason Merrill  <jason@redhat.com>
2292         PR c++/70468 - ICE with constructor delegation via typedef.
2293         * pt.c (tsubst_initializer_list): Check for other mem-initializers
2294         with constructor delegation.
2296 2018-02-22  Jason Merrill  <jason@redhat.com>
2298         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2299         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2300         VECTOR_TYPE.
2302 2018-02-22  Marek Polacek  <polacek@redhat.com>
2304         PR c++/84493
2305         * parser.c (cp_parser_braced_list): Use require_open instead of
2306         consume_open.
2308 2018-02-21  Jason Merrill  <jason@redhat.com>
2310         PR c++/84454 - ICE with pack expansion in signature.
2311         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2313 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
2315         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2316         IF_STMT.
2318 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
2320         PR c++/84446
2321         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2322         on error_mark_node.
2324 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
2326         PR c++/84445
2327         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2328         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2330         PR c++/84449
2331         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2332         returns error_mark_node, return it immediately.
2333         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2334         error_mark_node, return error_mark_node.
2336         PR c++/84455
2337         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2338         function_depth to avoid GC during finish_lambda_function.
2340 2018-02-19  Jason Merrill  <jason@redhat.com>
2342         PR c++/84429 - ICE capturing VLA.
2343         * lambda.c (build_capture_proxy): Handle reference refs.
2345 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
2347         PR c++/84448
2348         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2349         either operand is error_mark_node, set current.lhs to that instead of
2350         creating a binary op with error_mark_node operands.
2352         PR c++/84430
2353         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2355 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
2357         PR c++/84348
2358         * decl.c (grokdeclarator): Early return error_mark_node upon
2359         ill-formed friend declaration.
2361 2018-02-16  Marek Polacek  <polacek@redhat.com>
2362             Jakub Jelinek  <jakub@redhat.com>
2364         PR c++/84192
2365         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2366         set *jump_target to anything if jump_target is NULL.
2368 2018-02-16  Jason Merrill  <jason@redhat.com>
2370         PR c++/84151 - unnecessary volatile load with static member.
2371         * call.c (build_new_method_call_1): Avoid loading from a volatile
2372         lvalue used as the object argument for a static member function.
2374         PR c++/81853 - using-directive and constexpr.
2375         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2377         PR c++/84420 - ICE with structured binding in lambda.
2378         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2380         PR c++/83835 - C++17 error with constructor ctors.
2381         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2383         PR c++/82664 - ICE with reference to function template parm.
2384         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2385         NOP_EXPRs.
2387         PR c++/82764 - C++17 ICE with empty base
2388         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2390 2018-02-16  Jason Merrill  <jason@redhat.com>
2392         PR c++/84421 - type-dependent if constexpr
2393         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2395 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2397         Deprecate -ffriend-injection.
2398         * decl.c (cxx_init_decl_processing): Emit warning on option.
2399         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2400         friend.
2402 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
2404         PR c++/82468
2405         * decl.c (check_special_function_return_type): Reject template
2406         template parameter in deduction guide.
2408 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2410         PR c++/84375
2411         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2413 2018-02-15  Jason Merrill  <jason@redhat.com>
2415         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2416         * call.c (convert_like_real): Don't use the copy-list-initialization
2417         shortcut for ck_base.
2419         PR c++/84045 - ICE with typedef and noexcept.
2420         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2422         PR c++/84376 - ICE with omitted template arguments.
2423         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2425         PR c++/84368 - wrong error with local variable in variadic lambda.
2426         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2427         local_specializations.
2429 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
2431         PR c++/84330
2432         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2433         as first argument.
2435 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2437         PR c++/84350
2438         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2439         init, early return.
2441 2018-02-14  Nathan Sidwell  <nathan@acm.org>
2443         * decl2.c (mark_vtable_entries): Set input_location to decl's.
2444         (c_parse_final_cleanups): Restore input_location after emitting
2445         vtables.
2447 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2449         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2450         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2451         auto_deduction_context, tree, int): Add defaults.
2452         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2453         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2454         tsubst_flags_t argument.
2455         * init.c (build_new): Likewise.
2457 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
2459         PR c++/84364
2460         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2461         about return other than *this in assignment operators if
2462         retval is type dependent expression.
2464 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
2466         PR c++/84333
2467         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2468         save_expr for the G++ extension.
2470 2018-02-13  Jason Merrill  <jason@redhat.com>
2472         PR c++/84080 - ICE with return type deduction and specialization.
2473         * pt.c (determine_specialization): Check uses_template_parms.
2475         Fix more variadic capture issues.
2476         * pt.c (find_parameter_packs_r): Also look at explicit captures.
2477         (check_for_bare_parameter_packs): Check current_class_type for
2478         lambda context.
2479         (extract_locals_r): Handle seeing a full instantiation of a pack.
2480         (tsubst_pack_expansion): Likewise.  Force lambda capture.
2481         * parser.c (cp_parser_lambda_introducer): Don't
2482         check_for_bare_parameter_packs.
2484         PR c++/84338 - wrong variadic sizeof.
2485         * pt.c (argument_pack_select_arg): Like the macro, but look through
2486         a pack expansion.
2487         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2488         (extract_fnparm_pack): Do make_pack_expansion.
2489         (extract_locals_r): Do strip a pack expansion.
2490         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2492 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
2494         PR c++/84341
2495         * parser.c (cp_parser_binary_expression): Use build_min instead of
2496         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2498 2018-02-12  Nathan Sidwell  <nathan@acm.org>
2500         PR c++/84263
2501         * parser.c (cp_parser_decltype): Push and pop
2502         deferring_access_checks.  Reorganize to avoid goto.
2504 2018-02-12  Richard Biener  <rguenther@suse.de>
2506         PR c++/84281
2507         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2508         uniform constructors and delay allocating them fully.
2510 2018-02-09  Jason Merrill  <jason@redhat.com>
2512         PR c++/84036 - ICE with variadic capture.
2513         Handle variadic capture proxies more like non-variadic.
2514         * lambda.c (build_capture_proxy): Remove workaround.
2515         * pt.c (find_parameter_packs_r): The proxy is a pack.
2516         (instantiate_class_template_1): Remove dead lambda code.
2517         (extract_fnparm_pack): Don't make_pack_expansion.
2518         (extract_locals_r): Don't strip a pack expansion.
2519         (tsubst_pack_expansion): Handle proxy packs.  Use
2520         PACK_EXPANSION_EXTRA_ARGS less.
2521         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2522         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2523         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2524         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2525         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2527 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2529         PR sanitizer/83987
2530         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2532 2018-02-09  Jason Merrill  <jason@redhat.com>
2534         PR c++/81917 - ICE with void_t and partial specialization.
2535         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2536         calling most_specialized_partial_spec.
2538 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2540         PR c/84293
2541         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2542         Pass expr location to strict_aliasing_warning.
2544 2018-02-09  Jason Merrill  <jason@redhat.com>
2546         PR c++/84296 - ICE with qualified-id in template.
2547         PR c++/83714
2548         * pt.c (unknown_base_ref_p): New.
2549         (instantiation_dependent_scope_ref_p): Use it instead of
2550         any_dependent_bases_p.
2552 2018-02-09  Marek Polacek  <polacek@redhat.com>
2553             Jakub Jelinek  <jakub@redhat.com>
2555         PR c++/83659
2556         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2557         fold_indirect_ref_1, including poly_*int64.  Verify first that
2558         tree_fits_poly_int64_p (op01).  Formatting fixes.
2560 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2562         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2563         * lambda.c (build_capture_proxy): Likewise.
2564         * search.c (field_access_p): Likewise.
2565         * semantics.c (omp_clause_decl, omp_privatize_field,
2566         finish_omp_clauses): Likewise.
2568 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2570         PR c++/83806
2571         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2572         case of nullptr too.
2574 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2576         * class.c (finish_struct): Fix std:initializer_list diagnostic
2577         formatting.
2579 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2581         PR c++/83204
2582         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2584 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2586         PR c++/84082
2587         * parser.c (cp_parser_dot_deref_incomplete): New function.
2588         (cp_parser_postfix_dot_deref_expression): Use it.
2590 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2592         PR c++/81610
2593         PR c++/80567
2594         * name-lookup.c (suggest_rid_p): New function.
2595         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2596         suggest_rid_p.
2598 2018-02-07  Jason Merrill  <jason@redhat.com>
2600         PR c++/84182 - ICE with captured lambda
2601         PR c++/84181
2602         * pt.c (extract_locals_r, extract_local_specs): New.
2603         (tsubst_pack_expansion): Use them.
2605 2018-02-07  Martin Liska  <mliska@suse.cz>
2607         PR c++/84059.
2608         * class.c (add_method): Append argument value.
2609         * cp-tree.h (maybe_version_functions): Add new argument.
2610         * decl.c (decls_match): Call it if a declaration does not
2611         have DECL_FUNCTION_VERSIONED.
2612         (maybe_version_functions): record argument is added.
2614 2018-02-05  Marek Polacek  <polacek@redhat.com>
2616         * class.c: Remove unused global variables.
2617         (build_primary_vtable): Don't gather statistics.
2618         (print_class_statistics): Remove.
2619         * cp-tree.h (print_class_statistics): Remove.
2620         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2622 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2624         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2625         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2626         * decl.c (next_initializable_field, find_decomp_class_base,
2627         cp_finish_decomp): Likewise.
2628         * typeck2.c (process_init_constructor_record): Likewise.
2630 2018-02-02  Jason Merrill  <jason@redhat.com>
2632         PR c++/84181 - ICE with lambda parm in template argument.
2633         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2635 2018-02-01  Jason Merrill  <jason@redhat.com>
2637         PR c++/84160 - ICE with nested variadic capture.
2638         * lambda.c (is_capture_proxy_with_ref): New.
2639         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2640         COMPONENT_REF.
2641         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2642         * constexpr.c (potential_constant_expression_1): Likewise.
2643         * semantics.c (process_outer_var_ref): Likewise.
2645 2018-02-01  Marek Polacek  <polacek@redhat.com>
2647         PR c++/84125
2648         * typeck.c (build_address): Relax the assert when
2649         processing_template_decl.
2651 2018-02-01  Jason Merrill  <jason@redhat.com>
2653         PR c++/84126 - ICE with variadic generic lambda
2654         PR c++/84036
2655         PR c++/82249
2656         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2657         PACK_EXPANSION_EXTRA_ARGS.
2659 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2661         PR c++/83796
2662         * call.c (convert_like_real): If w're initializing from {} explicitly
2663         call abstract_virtuals_error_sfinae.
2665 2018-01-31  Jason Merrill  <jason@redhat.com>
2666             Jakub Jelinek  <jakub@redhat.com>
2668         PR c++/83993
2669         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2670         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2671         on ADDR_EXPR.
2673 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2675         PR c++/83993
2676         * constexpr.c (diag_array_subscript): Emit different diagnostics
2677         if TYPE_DOMAIN (arraytype) is NULL.
2678         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2679         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2681 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2683         PR c++/84092
2684         * semantics.c (finish_qualified_id_expr): When handling an
2685         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2687 2018-01-31  Marek Polacek  <polacek@redhat.com>
2689         PR c++/84138
2690         * cp-gimplify.c (cp_fold): Check if X is an error node before
2691         calling useless_type_conversion_p.
2693 2018-01-30  Jason Merrill  <jason@redhat.com>
2695         PR c++/84091 - ICE with local class in lambda in template.
2696         * decl2.c (determine_visibility): Look for outer containing template
2697         instantiation.
2699         PR c++/84098 - ICE with lambda in template NSDMI.
2700         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2702 2018-01-29  Jason Merrill  <jason@redhat.com>
2704         PR c++/68810 - wrong location for reinterpret_cast error.
2705         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2706         !dofold.
2708 2018-01-29  Marek Polacek  <polacek@redhat.com>
2710         PR c++/83996
2711         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2712         => fooarray[1] in offset_int.
2714 2018-01-29  Jason Merrill  <jason@redhat.com>
2716         PR c++/83942 - wrong unused warning with static_cast.
2717         * cvt.c (ocp_convert): Call mark_rvalue_use.
2719 2018-01-26  Jason Merrill  <jason@redhat.com>
2721         PR c++/83956 - wrong dtor error with anonymous union
2722         * method.c (walk_field_subobs): Variant members only affect
2723         deletedness.
2724         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2726         PR c++/84036 - ICE with variadic capture.
2727         PR c++/82249
2728         * pt.c (tsubst_pack_expansion): When optimizing a simple
2729         substitution, pull a single pack expansion out of its pack.
2731         PR c++/82514 - ICE with local class in generic lambda.
2732         * pt.c (regenerated_lambda_fn_p): Remove.
2733         (enclosing_instantiation_of): Don't use it.
2734         (tsubst_function_decl): Call enclosing_instantiation_of.
2736         * pt.c (lookup_template_class_1): Add sanity check.
2737         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2739 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2741         PR c++/84031
2742         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2743         recursive calls that return ret.
2744         (cp_finish_decomp): Ignore unnamed bitfields.
2746 2018-01-23  Jason Merrill  <jason@redhat.com>
2748         PR c++/82249 - wrong mismatched pack length error.
2749         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2750         unsubstituted function parameter pack.
2752 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2754         PR c++/83921
2755         * decl.c (check_for_uninitialized_const_var): Not static; add
2756         bool and tsubst_flags_t parameters; adjust to be used both in
2757         constexpr context and not.
2758         * constexpr.c (potential_constant_expression_1): Use the above.
2759         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2761 2018-01-23  Jason Merrill  <jason@redhat.com>
2763         PR c++/83947 - ICE with auto declarations.
2764         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2765         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2767 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2769         PR c++/83974
2770         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2771         for pointer to member function types.
2773 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2775         PR sanitizer/83987
2776         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2777         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2779 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2781         PR c++/83988
2782         * pt.c (tsubst_baselink): Remove optype assert.
2783         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2785 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2787         PR c++/83958
2788         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2789         refers to incomplete type.
2791 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2793         Deprecate ARM-era for scope handling
2794         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2795         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2796         cleared.
2797         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2798         cleanup handling.
2799         * semantics.c (begin_for_scope): Flag_new_for_scope is
2800         boolean-like.
2801         (finish_for_stmt, begin_range_for_stmt): Likewise.
2803 2018-01-22  Jason Merrill  <jason@redhat.com>
2805         PR c++/83720
2806         * decl2.c (determine_visibility): Fix template_decl handling
2807         instead of blocking it.
2809         PR c++/83720 - ICE with lambda and LTO.
2810         * decl2.c (determine_visibility): Clear template_decl for
2811         function-scope decls.  Propagate anonymous linkage from containing
2812         function.
2814 2018-01-22  Marek Polacek  <polacek@redhat.com>
2816         PR c++/81933
2817         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2818         split out anything.
2820 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2822         PR c++/83895
2823         * decl.c (grokdeclarator): Don't diagnose extra parens
2824         on typedefs.
2826 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2828         PR c++/81167
2829         * call.c (joust): Use TREE_TYPE (source) if source is
2830         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2832         PR c++/83919
2833         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2834         for direct enum init.
2835         * decl.c (reshape_init): Likewise.
2837 2018-01-19  Marek Polacek  <polacek@redhat.com>
2839         * constexpr.c (fold_simple): Simplify.
2841 2018-01-18  Jason Merrill  <jason@redhat.com>
2843         PR c++/83714
2844         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2845         * pt.c (instantiation_dependent_scope_ref_p): True if
2846         any_dependent_bases_p.
2848 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2850         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2851         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2853 2018-01-18  Jason Merrill  <jason@redhat.com>
2855         PR c++/82461 - constexpr list-initialized member
2856         * constexpr.c (potential_constant_expression_1): Check
2857         TARGET_EXPR_DIRECT_INIT_P.
2859 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2861         PR c++/81013
2862         * decl.c (xref_basetypes): Early return upon error about derived
2863         union.
2865 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2867         PR c++/83160
2868         * cp-tree.h (mark_use): Declare.
2869         * expr.c (mark_use): Make extern.
2870         * call.c (direct_reference_binding): Set inner conv's
2871         rvaluedness_matches_p, if it is an identity.
2872         (convert_like_real): Mark lvalue or rvalue use for identity as
2873         rvaledness_matches_p demands.
2875 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2877         PR c++/83824
2878         * parser.c (attr_chainon): New function.
2879         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2880         cp_parser_namespace_definition, cp_parser_init_declarator,
2881         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2882         cp_parser_gnu_attributes_opt): Use it.
2883         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2884         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2885         prefix_attributes if attributes is error_mark_node.
2887 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2889         PR c++/78344
2890         * decl.c (grokdeclarator): Do not append the error_mark_node
2891         due to an erroneous optional attribute-specifier-seq.
2893 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2895         PR c++/83897
2896         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2897         CLEANUP_POINT_EXPR.
2899 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2901         PR c++/81054
2902         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2903         error_mark_node when we give an error.
2904         * decl.c (cp_finish_decl): Use the latter.
2906 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2908         PR c++/83287
2909         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2911 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2913         PR c++/83814
2914         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2915         the C++ part.  If processing a template, call
2916         fold_non_dependent_expr rather than fully folding.
2918 2018-01-17  Jason Merrill  <jason@redhat.com>
2920         PR c++/81067 - redundant NULL warning.
2921         * call.c (convert_like_real): Restore null_node handling.
2923 2018-01-17  Jason Merrill  <jason@redhat.com>
2925         PR c++/81843 - ICE with variadic member template.
2926         PR c++/72801
2927         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2928         template args.
2930 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2932         PR c++/83799
2933         * pt.c (type_dependent_expression_p): Strip any location wrapper
2934         before testing tree codes.
2935         (selftest::test_type_dependent_expression_p): New function.
2936         (selftest::cp_pt_c_tests): Call it.
2938 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2940         PR c++/83739
2941         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2942         this not a final instantiation.
2944 2018-01-16  Jason Merrill  <jason@redhat.com>
2946         PR c++/83714 - ICE checking return in template.
2947         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2949 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2951         PR c++/83817
2952         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2953         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2954         instead of CALL_FROM_THUNK_P.
2956         PR c++/83825
2957         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2958         (resort_type_member_vec, set_class_bindings,
2959         insert_late_enum_def_bindings): Use vec qsort method instead of
2960         calling qsort directly.
2962 2018-01-15  Martin Sebor  <msebor@redhat.com>
2964         PR c++/83588
2965         * class.c (find_flexarrays): Make a record of multiple flexible array
2966         members.
2968 2018-01-12  Jason Merrill  <jason@redhat.com>
2970         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2971         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2973 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2975         * cp-tree.h (mark_rvalue_use): Add parm name.
2976         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2977         mark_rvalue_use.
2978         * call.c (convert_like_real): Fix formatting.
2980 2018-01-11  Jason Merrill  <jason@redhat.com>
2982         PR c++/82728 - wrong -Wunused-but-set-variable
2983         PR c++/82799
2984         PR c++/83690
2985         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2986         * decl.c (case_conversion): Likewise.
2987         * semantics.c (finish_static_assert): Call
2988         perform_implicit_conversion_flags.
2990 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2992         * method.c (enum mangling_flags): Delete long-dead enum.
2994 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2996         * parser.c (cp_parser_std_attribute_spec): When
2997         token_pair::require_open / require_close return false simply
2998         return error_mark_node, avoid duplicate cp_parser_error about
2999         expected '(' / ')', respectively.
3001 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
3003         PR c++/43486
3004         * call.c (null_ptr_cst_p): Strip location wrappers when
3005         converting from '0' to a pointer type in C++11 onwards.
3006         (conversion_null_warnings): Replace comparison with null_node with
3007         call to null_node_p.
3008         (build_over_call): Likewise.
3009         * cp-gimplify.c (cp_fold): Remove the early bailout when
3010         processing_template_decl.
3011         * cp-lang.c (selftest::run_cp_tests): Call
3012         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3013         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3014         (selftest::run_cp_tests): Move decl to bottom of file.
3015         (null_node_p): New inline function.
3016         (selftest::cp_pt_c_tests): New decl.
3017         (selftest::cp_tree_c_tests): New decl.
3018         * cvt.c (build_expr_type_conversion): Replace comparison with
3019         null_node with call to null_node_p.
3020         * error.c (args_to_string): Likewise.
3021         * except.c (build_throw): Likewise.
3022         * mangle.c (write_expression): Skip location wrapper nodes.
3023         * parser.c (literal_integer_zerop): New function.
3024         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3025         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3026         param of cp_parser_parenthesized_expression_list.  When calling
3027         warn_for_memset, replace integer_zerop calls with
3028         literal_integer_zerop, eliminating the double logical negation
3029         cast to bool.  Eliminate the special-casing for CONST_DECL in
3030         favor of the fold_for_warn within warn_for_memset.
3031         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3032         param, defaulting to false.  Convert "expr" to a cp_expr, and call
3033         maybe_add_location_wrapper on it when wrap_locations_p is true.
3034         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3035         the result for RID_ALIGNOF and RID_SIZEOF.
3036         (cp_parser_builtin_offsetof): Likewise.
3037         * pt.c: Include "selftest.h".
3038         (tsubst_copy): Handle location wrappers.
3039         (tsubst_copy_and_build): Likewise.
3040         (build_non_dependent_expr): Likewise.
3041         (selftest::test_build_non_dependent_expr): New function.
3042         (selftest::cp_pt_c_tests): New function.
3043         * tree.c: Include "selftest.h".
3044         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3045         (selftest::test_lvalue_kind): New function.
3046         (selftest::cp_tree_c_tests): New function.
3047         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3048         (cp_build_binary_op): Replace comparison with null_node with call
3049         to null_node_p.
3050         (build_address): Use location of operand when building address
3051         expression.
3053 2018-01-10  Marek Polacek  <polacek@redhat.com>
3055         PR c++/82541
3056         * call.c (build_conditional_expr_1): Check complain before warning.
3057         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3058         -Wduplicated-branches.
3060 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
3062         PR c++/81327
3063         * call.c (maybe_warn_class_memaccess): Add forward declaration.
3064         Change last argument from tree * to const vec<tree, va_gc> *, adjust
3065         args uses and check number of operands too.  Don't strip away any
3066         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
3067         Deal with src argument not having pointer type.  Check
3068         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
3069         test.
3070         (build_over_call): Call maybe_warn_class_memaccess here on the
3071         original arguments.
3072         (build_cxx_call): Rather than here on converted arguments.
3074 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
3076         PR c++/81055
3077         * init.c (build_vec_init): Avoid building an INIT_EXPR with
3078         error_mark_node as second argument.
3080 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
3082         PR c++/83734
3083         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3084         in STATEMENT_LIST.  Remove unneeded assert.
3086 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
3087             Alan Hayward  <alan.hayward@arm.com>
3088             David Sherwood  <david.sherwood@arm.com>
3090         * constexpr.c (cxx_eval_array_reference): Handle polynomial
3091         VECTOR_CST_NELTS.
3092         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3093         * call.c (build_conditional_expr_1): Likewise.
3094         * decl.c (cp_finish_decomp): Likewise.
3095         * mangle.c (write_type): Likewise.
3096         * typeck.c (structural_comptypes): Likewise.
3097         (cp_build_binary_op): Likewise.
3098         * typeck2.c (process_init_constructor_array): Likewise.
3100 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3102         PR c++/83555
3103         * typeck.c (build_static_cast_1): For static casts to reference types,
3104         call build_base_path with flag_delete_null_pointer_checks as nonnull
3105         instead of always false.  When -fsanitize=null, call
3106         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3107         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3108         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3110 2018-01-03  Nathan Sidwell  <nathan@acm.org>
3112         PR c++/83667
3113         * method.c (make_alias_for): Copy DECL_CONTEXT.
3115 2018-01-03  Marek Polacek  <polacek@redhat.com>
3117         PR c++/83592
3118         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3120 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3122         PR preprocessor/83602
3123         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3124         for builtin macros.
3126         PR c++/83634
3127         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3128         error_mark_node, return error_mark_node.
3130         Update copyright years.
3132 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
3134         PR c++/83556
3135         * tree.c (replace_placeholders_r): Pass NULL as last argument to
3136         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
3137         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3138         to false and return.
3139         (replace_placeholders): Pass NULL instead of &pset as last argument
3140         to cp_walk_tree.
3142 2018-01-02  Nathan Sidwell  <nathan@acm.org>
3144         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3145         lval var.
3147 Copyright (C) 2018 Free Software Foundation, Inc.
3149 Copying and distribution of this file, with or without modification,
3150 are permitted in any medium without royalty provided the copyright
3151 notice and this notice are preserved.