* pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
[official-gcc.git] / gcc / cp / ChangeLog
blobf0e44532348224482d287c0e7eed75cca1b92b19
1 2018-06-21  Jason Merrill  <jason@redhat.com>
3         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
5         * name-lookup.c (do_push_to_top_level): Don't allocate
6         current_lang_base.
7         (do_pop_from_top_level): Release current_lang_base.
9         Let -fmem-report see callers of cxx_make_type.
10         * lex.c (cxx_make_type): Add MEM_STAT_DECL.
11         (make_class_type): Likewise.
12         (cxx_make_type_hook): New.
13         * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
15 2018-06-20  Nathan Sidwell  <nathan@acm.org>
17         PR c++/85634
18         * friend.c (add_friend): Keep lookup sets of tempate sets.
20 2018-06-20  Paolo Carlini  <paolo.carlini@oracle.com>
22         * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
23         tidy handling of a null location_t argument; use proper location
24         information in a few additional error messages.
25         (grokdeclarator): Update calls.
27 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
28             Thomas Schwinge <thomas@codesourcery.com>
29             Cesar Philippidis  <cesar@codesourcery.com>
31         * parser.c (cp_parser_omp_clause_name): Add support for finalize
32         and if_present. Make present_or_{copy,copyin,copyout,create} aliases
33         to their non-present_or_* counterparts. Make 'self' an alias to
34         PRAGMA_OACC_CLAUSE_HOST.
35         (cp_parser_oacc_data_clause): Update GOMP mappings for
36         PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
37         PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
38         (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
39         Remove support for present_or_* clauses.
40         (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
41         (OACC_PARALLEL_CLAUSE_MASK): Likewise.
42         (OACC_DECLARE_CLAUSE_MASK): Likewise.
43         (OACC_DATA_CLAUSE_MASK): Likewise.
44         (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
45         (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
46         (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
47         (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
48         * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
49         * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
51 2018-06-20  Marek Polacek  <polacek@redhat.com>
53         PR c++/86240
54         * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
55         (fold_simple_1): Likewise.
56         * error.c (dump_expr): Likewise.
58 2018-06-20  Nathan Sidwell  <nathan@acm.org>
60         PR c++/85634
61         * cp-tree.h (lookup_keep): Drop KEEP parm.
62         (lookup_list_keep): Delete.
63         (maybe_get_fns): Declare.
64         * parser.c (cp_parser_primary_expression): Call lookup_keep here.
65         (cp_parser_template_id): Not here ...
66         * decl.c (cp_finish_decl): ... nor here ...
67         * init.c (build_raw_new_expr): ... nor here ...
68         * pt.c (process_template_parm): ... nor here ...
69         * semantics.c (perform_koenig_lookup): Call lookup_keep.
70         (finish_call_expr): Not here.
71         * tree.c (ovl_cache): Delete.
72         (ovl_make, ovl_copy): No cache.
73         (lookup_keep): Always keep.
74         (lookup_list_keep): Delete.
75         (maybe_get_fns): New, broken out of ...
76         (get_fns): ... here.  Call it.
77         (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
78         (build_min_nt_call_vec): Likewise.
80 2018-06-19  Jason Merrill  <jason@redhat.com>
82         * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
83         * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
85         PR c++/86182 - ICE with anonymous union passed to template.
86         * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
87         used to declare a named variable.
89 2018-06-18  Jason Merrill  <jason@redhat.com>
91         * tree.c (cp_expr_location): New.
92         * cp-tree.h (cp_expr_loc_or_loc): New.
93         * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
94         error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
95         typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
97         * parser.c (cp_parser_lambda_expression): Use a range for
98         LAMBDA_EXPR_LOCATION.
100         PR c++/86200 - ICE with unexpanded pack in lambda parameter.
101         * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
102         function type.
104         PR c++/81060 - ICE with unexpanded parameter pack.
105         * pt.c (check_for_bare_parameter_packs): Add loc parameter.
106         * decl.c (grokdeclarator): Call it for qualifying_scope.
108         PR c++/86171 - ICE with recursive alias instantiation.
109         * pt.c (tsubst_decl): Handle recursive alias instantiation.
111 2018-06-18  Paolo Carlini  <paolo.carlini@oracle.com>
113         * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
114         in errors about redefined default arguments; tidy.
116 2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
118         * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
119         * cp-gimplify.c (cp_fold): Likewise.
121 2018-06-15  Jason Merrill  <jason@redhat.com>
123         PR c++/86147 - wrong capture for template argument.
124         * expr.c (mark_use): Look through NOP_EXPR.
126         * name-lookup.c (do_pushtag): Don't look through complete types, but
127         don't add to them either.  Get context from current_binding_level.
128         * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
130         * decl.c (start_enum): Do compare dependent underlying type.
132         PR c++/82882 - ICE with lambda in template default argument.
133         * lambda.c (record_null_lambda_scope): New.
134         * pt.c (tsubst_lambda_expr): Use it.
135         * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
136         function that isn't open.
138         * tree.c (maybe_warn_parm_abi): Inform the location of the class.
140 2018-06-14  Marek Polacek  <polacek@redhat.com>
142         PR c++/86063
143         * decl2.c (cp_check_const_attributes): Skip trees that are not
144         TREE_LISTs.
146 2018-06-14  Jakub Jelinek  <jakub@redhat.com>
148         P0624R2 - Default constructible and assignable stateless lambdas
149         * method.c (synthesized_method_walk): For C++2a don't mark
150         sfk_constructor or sfk_copy_assignment as deleted if lambda has
151         no lambda-captures.
153 2018-06-14  Paolo Carlini  <paolo.carlini@oracle.com>
155         * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
156         OPT_Wshadow warning_at.
157         (grokfndecl): Consistently use the location_t argument in
158         literal operator diagnostic messages.
159         (grokdeclarator): Use declspecs->locations[ds_storage_class]
160         in error_at call.
161         * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
162         in permerror call.
164 2018-06-13  Jason Merrill  <jason@redhat.com>
166         PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
167         * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
168         constructors.
170         PR c++/86094 - wrong code with defaulted move ctor.
171         * class.c (classtype_has_non_deleted_move_ctor): New.
172         * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
173         Handle v12 breakage.
175 2018-06-12  Jason Merrill  <jason@redhat.com>
177         PR c++/86098 - ICE with template placeholder for TTP.
178         * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
179         CLASS_PLACEHOLDER_TEMPLATE.
181 2018-06-12  Paolo Carlini  <paolo.carlini@oracle.com>
183         * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
184         parameter and adjust error_at calls.
185         * decl.c (grok_op_properties): Adjust calls.
186         * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
188 2018-06-12  Marek Polacek  <polacek@redhat.com>
190         Core issue 1331 - const mismatch with defaulted copy constructor
191         * class.c (check_bases_and_members): When checking a defaulted
192         function, mark it as deleted rather than giving an error.
194 2018-06-11  Jason Merrill  <jason@redhat.com>
196         PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
197         * class.c (maybe_warn_about_overly_private_class): Handle inherited
198         constructors.
200         PR c++/85963 - -Wunused-but-set with ?: in template.
201         * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
203 2018-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
205         * decl.c (grok_op_properties): Consistently use the location
206         of the decl; remove special casing of POSTINCREMENT_EXPR and
207         POSTDECREMENT_EXPR wrt default arguments.
209 2018-06-05  Jason Merrill  <jason@redhat.com>
211         * constexpr.c (cxx_eval_binary_expression): Special case comparison
212         of pointers to members of the same union.
214 2018-06-11  Jason Merrill  <jason@redhat.com>
216         PR c++/86094 - wrong code with defaulted move ctor.
217         * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
219 2018-06-10  Paolo Carlini  <paolo.carlini@oracle.com>
221         * decl.c (grokfndecl): Use the location_t argument in two more places.
223 2018-06-06  Marek Polacek  <polacek@redhat.com>
225         PR c++/85977
226         * pt.c (unify): If ELTTYPE has no deducible template parms, skip
227         deduction from the list elements.
228         (type_unification_real): Check convertibility of list elements.
230 2018-06-06  Jason Merrill  <jason@redhat.com>
232         PR c++/86060 - ICE on range for with -std=c++98.
233         * parser.c (cp_parser_init_statement): Don't clobber *decl after
234         pedwarn.
236         PR c++/85710 - ICE with -Wmemset-elt-size.
237         * semantics.c (finish_call_expr): Call warn_for_memset here.
238         * parser.c (cp_parser_postfix_expression): Not here.
239         (literal_integer_zerop): No longer static.
240         * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
242 2018-06-05  Marek Polacek  <polacek@redhat.com>
244         PR c++/85976
245         * tree.c (cp_tree_equal): Handle USING_DECL.
247 2018-06-05  Jason Merrill  <jason@redhat.com>
249         PR c++/85731 - wrong error with qualified-id in template.
250         * semantics.c (finish_qualified_id_expr): build_qualified_name
251         for unbound names in the current class.
253 2018-06-04  Jason Merrill  <jason@redhat.com>
255         PR c++/61806 - missed SFINAE with partial specialization.
256         * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
257         parameter to constructor.
258         * pt.c (instantiate_class_template_1): Enable access checking
259         before call to most_specialized_partial_spec.
261         PR c++/85765 - SFINAE and non-type default template arg.
262         * pt.c (type_unification_real): Do full semantic processing if
263         substituting a partial args list replaces all template parms.
265 2018-06-03  Jason Merrill  <jason@redhat.com>
267         PR c++/85739 - ICE with pointer to member template parm.
268         * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
270 2018-06-02  Jason Merrill  <jason@redhat.com>
272         PR c++/85761 - ICE with ill-formed use of const outer variable.
273         * expr.c (mark_use): Handle location wrappers.
275 2018-06-01  Jason Merrill  <jason@redhat.com>
277         PR c++/85764 - bogus 'this' not captured error.
278         * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
279         (nonlambda_method_basetype): Handle NSDMI.
281         CWG 1581: When are constexpr member functions defined?
282         * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
283         (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
285         PR c++/58281 - explicit instantiation of constexpr
286         * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
288         * pt.c (instantiate_decl): Any defaulted function is defined.
290 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
292         PR c++/77777
293         * call.c (resolve_args): Use location of expression, not current input
294         location.
296 2018-05-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
298         Do not warn about zero-as-null when NULL is used.
299         * call.c (conversion_null_warnings): Check for pointer
300         types converted from zero constants.
301         (convert_like_real): Add a warning sentinel at the end.
302         * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
303         check null_node_p.
305 2018-05-30  Jason Merrill  <jason@redhat.com>
307         PR c++/85807 - ICE with call in template NSDMI.
308         * init.c (get_nsdmi): Use push_to/pop_from_top_level.
309         * tree.c (bot_manip): Don't set_flags_from_callee in a template.
311         PR c++/85873 - constant initializer_list array not in .rodata.
312         * tree.c (build_target_expr): Set TREE_READONLY.
313         * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
315         * parser.c (cp_parser_check_condition_declarator): Handle
316         cp_error_declarator.
318 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
320         * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
321         of using it in dead store.
323 2018-05-29  Jason Merrill  <jason@redhat.com>
325         PR c++/67445 - returning temporary initializer_list.
326         PR c++/67711 - assigning from temporary initializer_list.
327         PR c++/48562 - new initializer_list.
328         * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
329         about returning local initializer_list.
330         * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
331         * call.c (build_over_call): Warn about assignment from temporary
332         init_list.
333         * init.c (build_new_1): Warn about 'new std::initializer_list'.
334         (find_list_begin, maybe_warn_list_ctor): New.
335         (perform_member_init): Use maybe_warn_list_ctor.
337 2018-05-29  Marek Polacek  <polacek@redhat.com>
339         PR c++/85883
340         * init.c (build_new): Handle deducing a class with new
341         with more than one argument.
343 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
345         PR c++/85952
346         * init.c (build_aggr_init): For structured binding initialized from
347         array call mark_rvalue_use on the initializer.
349 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
351         * decl2.c (start_static_storage_duration_function): Use
352         splay_tree_delete_pointers.
354 2018-05-25  Jason Merrill  <jason@redhat.com>
356         PR c++/85815 - reference to member of enclosing template.
357         * search.c (lookup_base): Use currently_open_class.
358         (lookup_member): Use it regardless of -fconcepts.
359         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
361         CWG 616, 1213 - value category of subobject references.
362         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
364 2018-05-24  Jason Merrill  <jason@redhat.com>
366         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
367         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
368         generic lambda.
370 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
372         Pedwarn on a non-standard position of a C++ attribute.
373         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
374         after the namespace name.
376 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
378         * cp-tree.h (INDIRECT_TYPE_P): New.
379         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
380         joust): Use it instead of POINTER_TYPE_P.
381         * class.c (update_vtable_entry_for_fn, find_flexarrays,
382         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
383         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
384         * cxx_eval_increment_expression, potential_constant_expression_1):
385         Likewise.
386         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
387         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
388         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
389         cp_ubsan_maybe_instrument_downcast): Likewise.
390         * cvt.c (cp_convert_to_pointer, ocp_convert,
391         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
392         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
393         pp_cxx_offsetof_expression_1): Likewise.
394         * decl.c (grokparms, static_fn_type): Likewise.
395         * decl2.c (grokbitfield): Likewise.
396         * error.c (dump_expr): Likewise.
397         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
398         * init.c (warn_placement_new_too_small): Likewise.
399         * lambda.c (build_capture_proxy, add_capture): Likewise.
400         * parser.c (cp_parser_omp_for_loop): Likewise.
401         * pt.c (convert_nontype_argument, fn_type_unification,
402         uses_deducible_template_parms, check_cv_quals_for_unify,
403         dependent_type_p_r): Likewise.
404         * search.c (check_final_overrider): Likewise.
405         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
406         finish_omp_for): Likewise.
407         * tree.c (cp_build_qualified_type_real): Likewise.
408         * typeck.c (build_class_member_access_expr,
409         finish_class_member_access_expr, build_x_indirect_ref,
410         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
411         Likewise.
413 2018-05-24  Jason Merrill  <jason@redhat.com>
415         PR c++/85864 - literal template and default template arg.
416         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
418 2018-05-24  Marek Polacek  <polacek@redhat.com>
420         PR c++/85847
421         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
422         variable for its result.  Fix a condition.
423         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
425 2018-05-23  Jason Merrill  <jason@redhat.com>
427         Fix cast to rvalue reference from prvalue.
428         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
429         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
430         non-class type.  Handle xvalue argument.
431         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
432         rvalue reference.
433         * semantics.c (finish_compound_literal): Do direct-initialization,
434         not cast, to initialize a reference.
436         CWG 616, 1213 - value category of subobject references.
437         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
438         an xvalue.
439         * typeck2.c (build_m_component_ref): Likewise.
440         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
441         distinction between temporary and xvalue.
443 2018-05-23  Marek Polacek  <polacek@redhat.com>
445         Implement P0614R1, Range-based for statements with initializer.
446         * parser.c (cp_parser_range_based_for_with_init_p): New.
447         (cp_parser_init_statement): Use it.  Parse the optional init-statement
448         for a range-based for loop.
449         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
451 2018-05-22  Jason Merrill  <jason@redhat.com>
453         PR c++/81420 - not extending temporary lifetime.
454         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
455         * class.c (build_base_path): Avoid redundant move of an rvalue.
457         PR c++/85866 - error with .* in default template arg.
458         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
460 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
462         * parser.c (cp_parser_parameter_declaration_list): Remove
463         bool* parameter.
464         (cp_parser_parameter_declaration_clause): Adjust.
465         (cp_parser_cache_defarg): Likewise.
467 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
469         PR c++/84588
470         * parser.c (cp_parser_maybe_commit_to_declaration,
471         cp_parser_check_condition_declarator): New.
472         (cp_parser_simple_declaration): Use the first above.
473         (cp_parser_condition): Use both the above; enforce
474         [stmt.stmt]/2 about the declarator not specifying
475         a function or an array; improve error-recovery.
477 2018-05-20  Jason Merrill  <jason@redhat.com>
479         PR libstdc++/85843 - warning in logic_error copy constructor.
480         * class.c (type_has_user_nondefault_constructor): Check for a
481         user-provided ctor, not user-declared.
483 2018-05-19  Jason Merrill  <jason@redhat.com>
485         * pt.c (tsubst_pack_expansion): Sorry rather than abort
486         on __integer_pack as subexpression of pattern.
488 2018-05-18  Jason Merrill  <jason@redhat.com>
490         PR c++/58407 - deprecated implicit copy ops.
491         * call.c (build_over_call): Warn about deprecated trivial fns.
492         * class.c (classtype_has_user_copy_or_dtor): New.
493         (type_build_ctor_call): Check TREE_DEPRECATED.
494         (type_build_dtor_call): Likewise.
495         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
496         Add checks.  Return bool.  Handle -Wdeprecated-copy.
497         (mark_used): Use it.
498         * decl.c (grokdeclarator): Remove redundant checks.
499         * typeck2.c (build_functional_cast): Likewise.
500         * method.c (lazily_declare_fn): Mark deprecated copy ops.
501         * init.c (build_aggr_init): Only set TREE_USED if there are
502         side-effects.
504 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
506         PR c++/85782
507         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
508         OACC_LOOPs.
510 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
512         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
513         (potential_constant_expression_1): Likewise.
515 2018-05-16  Marek Polacek  <polacek@redhat.com>
517         PR c++/85363
518         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
519         * tree.c (bot_manip): Call set_flags_from_callee for
520         AGGR_INIT_EXPRs too.
522 2018-05-15  Jason Merrill  <jason@redhat.com>
524         * cp-tree.h (cp_expr): Remove copy constructor.
525         * mangle.c (struct releasing_vec): Declare copy constructor.
527         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
529         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
530         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
531         is a throw-expression.
533 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
535         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
536         (FOR_EACH_CLONE): Update.
537         * decl.c (grokdeclarator): Use it.
538         * decl2.c (vague_linkage_p): Likewise.
539         * mangle.c (mangle_decl): Likewise.
540         * method.c (lazily_declare_fn): Likewise.
541         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
542         * repo.c (repo_emit_p): Likewise.
543         * tree.c (decl_linkage): Likewise.
545 2018-05-14  Jason Merrill  <jason@redhat.com>
547         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
548         * tree.c (build_cp_fntype_variant): New.
549         (build_ref_qualified_type, build_exception_variant)
550         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
551         (cxx_type_hash_eq, cp_check_qualified_type): Check
552         TYPE_HAS_LATE_RETURN_TYPE.
553         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
554         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
555         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
556         (adjust_clone_args): Likewise.
557         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
558         build_cp_fntype_variant.
559         (grokdeclarator): Pass late_return_type_p to grokfndecl.
560         (check_function_type): Use cxx_copy_lang_qualifiers.
561         (static_fn_type): Use cxx_copy_lang_qualifiers.
562         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
563         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
564         (change_return_type): Use cxx_copy_lang_qualifiers.
565         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
566         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
567         return type on the declarator like a normal trailing return type.
568         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
569         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
570         * typeck.c (merge_types): Use build_cp_fntype_variant.
572 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
574         * cp-tree.h (TYPE_REF_P): New.
575         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
576         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
577         direct_reference_binding, reference_binding, implicit_conversion,
578         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
579         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
580         build_over_call, perform_implicit_conversion_flags,
581         extend_ref_init_temps, type_has_extended_temps): Use it.
582         * class.c (one_inheriting_sig, check_field_decls,
583         check_bases_and_members, find_flexarrays, finish_struct,
584         fixed_type_or_null): Likewise.
585         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
586         non_const_var_error, cxx_eval_constant_expression,
587         potential_constant_expression_1): Likewise.
588         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
589         cp_genericize_r, cxx_omp_privatize_by_reference,
590         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
591         cp_fold_maybe_rvalue): Likewise.
592         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
593         * cvt.c (build_up_reference, convert_to_reference,
594         convert_from_reference, convert_to_void, noexcept_conv_p,
595         fnptr_conv_p): Likewise.
596         * decl.c (poplevel, check_for_uninitialized_const_var,
597         check_initializer, initialize_local_var, cp_finish_decl,
598         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
599         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
600         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
601         decl_maybe_constant_var_p): Likewise.
602         * error.c (dump_type_prefix, dump_expr): Likewise.
603         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
604         is_admissible_throw_operand_or_catch_parameter): Likewise.
605         * expr.c (mark_use): Likewise.
606         * init.c (build_zero_init_1, build_value_init_noctor,
607         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
608         build_new, build_delete): Likewise.
609         * lambda.c (build_lambda_object): Likewise.
610         * mangle.c (write_expression, write_template_arg): Likewise.
611         * method.c (forward_parm, do_build_copy_constructor,
612         do_build_copy_assign, build_stub_object, constructible_expr,
613         walk_field_subobs): Likewise.
614         * parser.c (cp_parser_omp_for_loop_init,
615         cp_parser_omp_declare_reduction_exprs,
616         cp_parser_omp_declare_reduction): Likewise.
617         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
618         convert_template_argument, tsubst_pack_expansion,
619         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
620         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
621         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
622         value_dependent_expression_p, build_deduction_guide): Likewise.
623         * semantics.c (finish_handler_parms, finish_non_static_data_member,
624         finish_compound_literal, omp_privatize_field,
625         handle_omp_array_sections_1, handle_omp_array_sections,
626         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
627         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
628         finish_omp_clauses, finish_decltype_type, capture_decltype,
629         finish_builtin_launder): Likewise.
630         * tree.c (lvalue_kind, cp_build_reference_type, move,
631         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
632         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
633         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
634         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
635         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
636         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
637         convert_for_initialization,
638         maybe_warn_about_returning_address_of_local, check_return_expr,
639         cp_type_quals, casts_away_constness, non_reference): Likewise.
640         * typeck2.c (cxx_readonly_error, store_init_value,
641         process_init_constructor_record, build_x_arrow, build_functional_cast,
642         add_exception_specifier): Likewise.
644 2018-05-14  Jason Merrill  <jason@redhat.com>
646         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
647         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
649 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
651         PR c/85696
652         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
653         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
654         cxx_omp_predetermined_sharing_1.  Rename old function to ...
655         (cxx_omp_predetermined_sharing_1): ... this.
656         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
657         instead of cxx_omp_predetermined_sharing.
659 2018-05-10  Jason Merrill  <jason@redhat.com>
661         * decl.c (cp_finish_decl): Don't instantiate auto variable.
662         (check_static_variable_definition): Allow auto.
663         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
665         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
666         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
668         Core issue 2310 - conversion to base of incomplete type.
669         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
671         CWG 2267 - list-initialization of reference temporary
672         * call.c (reference_binding): List-initializing a reference
673         temporary is copy-list-initialization.
675         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
677         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
678         instantiation in template context.
680         * class.c (vbase_has_user_provided_move_assign): Use
681         user_provided_p.
683         * lambda.c (lambda_expr_this_capture): Improve logic.
685         * decl.c (make_typename_type): s/parameters/arguments/.
686         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
687         * pt.c (make_pack_expansion): Correct error message.
689 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
691         PR c++/85662
692         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
693         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
694         fold_convert.
696 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
698         PR c++/85400
699         * decl2.c (adjust_var_decl_tls_model): New static function.
700         (comdat_linkage): Call it on a variable.
701         (maybe_make_one_only): Likewise.
703 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
705         PR c++/85713
706         Revert:
707         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
709         PR c++/84588
710         * parser.c (cp_parser_parameter_declaration_list): When the
711         entire parameter-declaration-list is erroneous maybe call
712         abort_fully_implicit_template.
714 2018-05-08  Jason Merrill  <jason@redhat.com>
716         PR c++/85706 - class deduction under decltype
717         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
718         *walk_subtrees whether or not we walked into the operand.
719         (type_uses_auto): Only look at deduced contexts.
721 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
723         PR c++/84588
724         * parser.c (cp_parser_parameter_declaration_list): When the
725         entire parameter-declaration-list is erroneous maybe call
726         abort_fully_implicit_template.
728 2018-05-08  Marek Polacek  <polacek@redhat.com>
730         PR c++/85695
731         * semantics.c (finish_if_stmt_cond): See through typedefs.
733 2018-05-07  Jason Merrill  <jason@redhat.com>
735         PR c++/85646 - lambda visibility.
736         * decl2.c (determine_visibility): Don't mess with template arguments
737         from the containing scope.
738         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
739         thunk.
741 2018-05-07  Nathan Sidwell  <nathan@acm.org>
743         Remove fno-for-scope
744         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
745         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
746         (SET_DECL_SHADOWED_FOR_VAR): Delete.
747         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
748         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
749         Don't declare.
750         * name-lookup.h (struct cp_binding_level): Remove
751         dead_vars_from_for field.
752         * cp-lang.c (cp_init_ts): Delete.
753         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
754         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
755         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
756         (init_shadowed_var_for_decl): Delete.
757         * decl.c (poplevel): Remove shadowed for var handling.
758         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
759         * name-lookup.c (find_local_binding): Remove shadowed for var
760         handling.
761         (check_local_shadow): Likewise.
762         (check_for_out_of_scope_variable): Delete.
763         * parser.c (cp_parser_primary_expression): Remove shadowed for var
764         handling.
765         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
766         * semantics.c (begin_for_scope): Always have a scope.
767         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
768         (begin_range_for_stmt, finish_id_expression): Likewise.
770 2018-05-07  Jason Merrill  <jason@redhat.com>
772         PR c++/85618 - ICE with initialized VLA.
773         * tree.c (vla_type_p): New.
774         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
775         rather than array_of_runtime_bound_p.
777 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
779         * cvt.c (ocp_convert): Early handle the special case of a
780         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
782 2018-05-03  Jason Merrill  <jason@redhat.com>
784         PR c++/85600 - virtual delete failure.
785         * init.c (build_delete): Always save_expr when deleting.
787 2018-05-03  Nathan Sidwell  <nathan@acm.org>
789         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
790         * name-lookup.c (do_pushdecl): Likewise.
792 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
793             Jason Merrill  <jason@redhat.com>
795         PR c++/68374
796         * name-lookup.c (check_local_shadow): Don't handle static old
797         declarations in the block handling locals shadowing locals.
799 2018-05-01  Jason Merrill  <jason@redhat.com>
801         PR c++/85587 - error with scoped enum in template.
802         * semantics.c (finish_qualified_id_expr): Don't return an
803         unqualified IDENTIFIER_NODE.
805 2018-04-30  Jason Merrill  <jason@redhat.com>
807         PR c++/85580 - extern "C" and local variables
808         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
810         PR c++/84701 - unsigned typeof.
811         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
812         of long/short/signed/unsigned.
814         PR c++/85305 - pack in lambda init-capture.
815         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
816         check_for_bare_parameter_packs in a subexpression.
817         (cp_parser_lambda_introducer): Use it.
819         PR c++/61982 - dead stores to destroyed objects.
820         * call.c (build_trivial_dtor_call): New, assigns a clobber.
821         (build_over_call, build_special_member_call): Use it.
822         * cp-tree.h: Declare it.
823         * init.c (build_delete): Remove trivial path.
825         * init.c (build_dtor_call): Use build_special_member_call.
826         (build_delete): Remove redundant uses of save_addr.
828         * decl.c (build_clobber_this): Use build_clobber.
830 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
832         PR c++/85553
833         * init.c (build_zero_init_1): For zero initialization of
834         NULLPTR_TYPE_P type use build_int_cst directly.
836 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
838         PR c++/85515
839         * name-lookup.c (consider_binding_level): Skip compiler-generated
840         variables.
841         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
842         nested if statements into a series of rejection tests.  Reject
843         lambda-ignored entities as suggestions.
845 2018-04-27  Jason Merrill  <jason@redhat.com>
847         * cvt.c (cp_fold_convert): Use convert_ptrmem.
848         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
850 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
852         PR c++/84691
853         * decl.c (grokdeclarator): Clear friendp upon definition in local
854         class definition error.
856 2018-04-27  Jason Merrill  <jason@redhat.com>
858         PR c++/85545 - ICE with noexcept PMF conversion.
859         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
860         build_ptrmemfunc.
861         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
862         adjustment.
863         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
865 2018-04-27  Nathan Sidwell  <nathan@acm.org>
867         * typeck.c (convert_ptrmem): Move local var decls to initialization.
869         * cp-tree.h (TEMPLATE_INFO): Fix comments.
870         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
871         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
872         (dump, print_other_binding_stacks): Remove declarations.
873         * name-lookup.c (print_other_binding_stack): Make static.
874         * pt.c (build_template_decl): Make static.
876 2018-04-26  Jason Merrill  <jason@redhat.com>
878         PR c++/85545 - ICE with noexcept PMF conversion.
879         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
881 2018-04-25  Nathan Sidwell  <nathan@acm.org>
883         PR c++/85437
884         PR c++/49171
885         * cp-tree.h (REINTERPRET_CAST_P): New.
886         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
887         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
888         for non-trivial PTRMEM_CST cases.
889         * typeck.c (build_nop_reinterpret): New.
890         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
891         NOP_EXPRs returned by cp_convert.
893 2018-04-23  Jason Merrill  <jason@redhat.com>
895         PR c++/69560 - wrong alignof(double) on x86.
896         CWG 1879 - Inadequate definition of alignment requirement.
897         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
898         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
899         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
900         (cxx_alignof_expr): Pass it.
901         * parser.c (cp_parser_unary_expression): Pass it.
902         * pt.c (tsubst_copy): Copy it.
903         (tsubst_copy_and_build): Pass it.
904         * decl.c (fold_sizeof_expr): Pass it.
906 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
907             Jason Merrill  <jason@redhat.com>
909         PR c++/85470 - wrong error with static data member.
910         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
911         * typeck2.c (store_init_value): Likewise.
913 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
915         PR c++/85462
916         * cp-tree.h (tinst_level): Remove in_system_header_p member,
917         change refcount member from unsigned char to unsigned short,
918         add refcount_infinity static data member, adjust comments.
919         * pt.c (tinst_level::refcount_infinity): Define.
920         (inc_refcount_use): Remove assert, don't increment if refcount
921         is already refcount_infinity, adjust comment.
922         (dec_refcount_use): Remove assert, don't decrement if refcount
923         is refcount_infinity, adjust comment.
924         (push_tinst_level_loc): Formatting fix.
926 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
928         PR c++/84611
929         * pt.c (lookup_template_class_1): Check pushtag return value for
930         error_mark_node.
932 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
934         PR c++/80290
935         * cp-tree.h (tinst_level::free): Fix whitespace.
937 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
939         PR c++/84630
940         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
941         for error_mark_node.
943 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
945         PR c++/84463
946         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
947         tricks from here to ...
948         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
949         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
951 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
953         PR c++/80290
954         * cp-tree.h (struct tinst_level): Split decl into tldcl and
955         targs.  Add private split_list_p, tree_list_p, and not_list_p
956         inline const predicates; to_list private member function
957         declaration; free public member function declaration; list_p,
958         get_node and maybe_get_node accessors, and refcount data
959         member.  Narrow errors to unsigned short.
960         * error.c (print_instantiation_full_context): Use new
961         accessors.
962         (print_instantiation_partial_context_line): Likewise.  Drop
963         const from tinst_level-typed parameter.
964         * mangle.c (mangle_decl_string): Likewise.
965         * pt.c (freelist): New template class.
966         (tree_list_freelist_head): New var.
967         (tree_list_freelist): New fn, along with specializations.
968         (tinst_level_freelist_head): New var.
969         (pending_template_freelist_head): Likewise.
970         (tinst_level_freelist, pending_template_freelist): New fns.
971         (tinst_level::to_list, tinst_level::free): Define.
972         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
973         (set_refcount_ptr): New template fn.
974         (add_pending_template): Adjust for refcounting, freelists and
975         new accessors.
976         (neglectable_inst_p): Take a NULL d as a non-DECL.
977         (limit_bad_template_recursion): Use new accessors.
978         (push_tinst_level): New overload to create the list.
979         (push_tinst_level_loc): Make it static, split decl into two
980         args, adjust tests and initialization to cope with split
981         lists, use freelist, adjust for refcounting.
982         (push_tinst_level_loc): New wrapper with the old interface.
983         (pop_tinst_level): Adjust for refcounting.
984         (record_last_problematic_instantiation): Likewise.
985         (reopen_tinst_level): Likewise.  Use new accessors.
986         (instantiate_alias_template): Adjust for split list.
987         (fn_type_unification): Likewise.
988         (get_partial_spec_bindings): Likewise.
989         (instantiate_pending_templates): Use new accessors.  Adjust
990         for refcount.  Release pending_template to freelist.
991         (instantiating_current_function_p): Use new accessors.
993 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
995         PR c++/85039
996         * parser.c (cp_parser_builtin_offset): Reject type definitions.
997         * mangle.c (nested_anon_class_index): Avoid crash returning -1
998         if we've seen errors.
1000 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
1002         PR c++/85385
1003         * name-lookup.c (macro_use_before_def::maybe_make): New function,
1004         checking that the use is indeed before the definition.
1005         (macro_use_before_def::macro_use_before_def): Make private.
1006         (macro_use_before_def::~macro_use_before_def): Make private.  Move
1007         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1008         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1009         than using new directly.
1011 2018-04-12  Jason Merrill  <jason@redhat.com>
1013         PR c++/85356 - ICE with pointer to member function.
1014         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1015         flag_noexcept_type.  Build the new spec within the function context.
1016         * except.c (build_noexcept_spec): Do get constant value in templates
1017         if flag_noexcept_type.
1018         * decl.c (check_redeclaration_exception_specification): Don't
1019         instantiate noexcept on a dependent declaration.
1021 2018-04-12  Marek Polacek  <polacek@redhat.com>
1023         PR c++/85258
1024         * constexpr.c (reduced_constant_expression_p): Return false for null
1025         trees.
1027 2018-04-11  Marek Polacek  <polacek@redhat.com>
1029         PR c++/85032
1030         * constexpr.c (potential_constant_expression_1): Consider conversions
1031         from classes to literal types potentially constant.
1033 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
1035         PR c++/70808
1036         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1037         the type like TYPE_PTR_OR_PTRMEM_P.
1039 2018-04-10  Jason Merrill  <jason@redhat.com>
1041         PR debug/65821 - wrong location for main().
1042         * call.c (clear_location_r, convert_default_arg): Revert.
1043         * tree.c (break_out_target_exprs): Add clear_location parm.
1044         (struct bot_data): New.
1045         (bot_manip): Clear location if requested.
1046         * init.c (get_nsdmi): Pass clear_location.
1048 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
1050         PR c++/85110
1051         * call.c (get_fndecl_argument_location): Make non-static.
1052         * cp-tree.h (get_fndecl_argument_location): New decl.
1053         * typeck.c (convert_for_assignment): When complaining due to
1054         conversions for an argument, show the location of the parameter
1055         within the decl.
1057 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
1059         PR c++/85312 - P0962 cleanup
1060         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1061         diagnostics.
1063 2018-04-10  Jason Merrill  <jason@redhat.com>
1065         PR debug/65821 - wrong location for main().
1066         * call.c (clear_location_r): New.
1067         (convert_default_arg): Use it.
1068         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1070         PR c++/85285 - ICE with flexible array after substitution.
1071         * pt.c (instantiate_class_template_1): Check for flexible array in
1072         union.
1074 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
1076         PR c++/85227
1077         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1078         issue a pedwarn and defer trying to do bindings.
1080 2018-04-09  Jason Merrill  <jason@redhat.com>
1082         PR c++/85279 - dump_expr doesn't understand decltype.
1083         * error.c (dump_expr): Handle DECLTYPE_TYPE.
1085         PR c++/85262 - ICE with redundant qualification on constructor.
1086         * call.c (build_new_method_call_1): Move make_args_non_dependent
1087         after A::A() handling.
1089         PR c++/85277 - ICE with invalid offsetof.
1090         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1091         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1093         PR c++/85264 - ICE with excess template-parameter-list.
1094         * parser.c (cp_parser_check_template_parameters): Add template_id_p
1095         parameter.  Don't allow an extra template header if true.
1096         (cp_parser_class_head): Pass template_id_p.
1097         (cp_parser_elaborated_type_specifier): Likewise.
1098         (cp_parser_alias_declaration): Likewise.
1099         (cp_parser_check_declarator_template_parameters): Likewise.
1101 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
1103         PR c++/85194
1104         * parser.c (cp_parser_simple_declaration): For structured bindings,
1105         if *maybe_range_for_decl is NULL after parsing it, set it to
1106         error_mark_node.
1108 2018-04-09  Jason Merrill  <jason@redhat.com>
1110         PR c++/85256 - ICE capturing pointer to VLA.
1111         * lambda.c (add_capture): Distinguish between variable-size and
1112         variably-modified types.
1114 2018-04-06  Jason Merrill  <jason@redhat.com>
1116         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1117         * pt.c (extract_locals_r): Remember local typedefs.
1119 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1121         PR c++/84269
1122         * name-lookup.c (struct std_name_hint): Move out of
1123         get_std_name_hint; add field "min_dialect".
1124         (get_std_name_hint): Add min_dialect values to all initializers.
1125         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1126         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1127         <shared_mutex>, <string_view>, <thread>, and <variant>.
1128         Add fstream, ifstream, and ofstream to <fstream>.
1129         Add istringstream, ostringstream, and stringstream to <sstream>.
1130         Add basic_string to <string>.
1131         Add tuple_element and tuple_size to <tuple>.
1132         Add declval to <utility>.
1133         Fix ordering of <queue> and <tuple>.
1134         Return a std_name_hint, rather than a const char *.
1135         (get_cxx_dialect_name): New function.
1136         (maybe_suggest_missing_std_header): Detect names that aren't yet
1137         available in the current dialect, and instead of suggesting a
1138         missing #include, warn about the dialect.
1140 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
1142         PR c++/85210
1143         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1144         errorcount is set if tsubst doesn't return a VAR_DECL.
1146 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1148         PR c++/85021
1149         * name-lookup.c (using_directives_contain_std_p): New function.
1150         (has_using_namespace_std_directive_p): New function.
1151         (suggest_alternatives_for): Simplify if/else logic using early
1152         returns.  If no candidates were found, and there's a
1153         "using namespace std;" directive, call
1154         maybe_suggest_missing_std_header.
1155         (maybe_suggest_missing_header): Split later part of the function
1156         into..
1157         (maybe_suggest_missing_std_header): New.
1159 2018-04-06  Jason Merrill  <jason@redhat.com>
1161         PR c++/85242 - ICE with class definition in template parm.
1162         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1163         processing_template_parmlist.
1165         PR c++/85240 - LTO ICE with using of undeduced auto fn.
1166         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1168 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
1170         PR c++/85209
1171         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1172         is not prev, if prev == decl.
1174         PR c++/85208
1175         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1176         maybe_apply_pragma_weak here...
1177         (cp_maybe_mangle_decomp): ... but call it here instead.
1179 2018-04-05  Jason Merrill  <jason@redhat.com>
1181         PR c++/85136 - ICE with designated init in template.
1182         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1183         designated initializer.
1184         (check_array_designated_initializer): Update ce->index with the
1185         constant value.
1187         PR c++/83808 - ICE with VLA initialization.
1188         * typeck2.c (process_init_constructor_array): Don't require a VLA
1189         initializer to have VLA type.
1191 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
1193         PR c++/80956
1194         * call.c (convert_like_real): Fail gracefully for a broken
1195         std::initializer_list, missing a definition.
1197         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1199 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
1201         PR c++/84792
1202         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1203         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1205 2018-04-05  Jason Merrill  <jason@redhat.com>
1207         PR c++/82152 - ICE with class deduction and inherited ctor.
1208         * pt.c (do_class_deduction): Ignore inherited ctors.
1210         PR c++/84665 - ICE with array of empty class.
1211         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1213         PR c++/85228 - ICE with lambda in enumerator in template.
1214         * pt.c (bt_instantiate_type_proc): Don't assume
1215         CLASSTYPE_TEMPLATE_INFO is non-null.
1217 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1219         Implement P0969
1220         * decl.c (find_decomp_class_base): Check accessibility instead
1221         of declared access, adjust diagnostic.
1223 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1225         Implement P0961
1226         * decl.c (get_tuple_decomp_init): Check the templatedness
1227         of a member get.
1229 2018-04-05  Jason Merrill  <jason@redhat.com>
1231         PR c++/85200 - ICE with constexpr if in generic lambda.
1232         * pt.c (extract_locals_r): Don't record the local specs of variables
1233         declared within the pattern.
1235 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
1237         PR c++/84979
1238         * pt.c (check_auto_in_tmpl_args): New.
1239         (tsubst_qualified_id): Use it to reject template args
1240         referencing auto for non-type templates.
1241         * parser.c (cp_parser_template_id): Likewise.
1242         * cp-tree.h (check_auto_in_tmpl_args): Declare.
1243         * typeck2.c (build_functional_cast): Report correct location
1244         for invalid use of auto.
1246 2018-04-04  Jason Merrill  <jason@redhat.com>
1248         PR c++/85215 - ICE with copy-init from conversion.
1249         * call.c (merge_conversion_sequences): Fix type of direct binding
1250         sequence.
1252         PR c++/84938 - ICE with division by ~-1.
1253         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1255         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1256         * parser.c (cp_parser_mem_initializer_list): Call
1257         check_for_bare_parameter_packs.
1259 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
1261         PR inline-asm/85172
1262         * constexpr.c (cxx_eval_builtin_function_call): For calls to
1263         builtin_valid_in_constant_expr_p functions, don't call
1264         cxx_eval_constant_expression if argument is not
1265         potential_constant_expression.
1267         PR c++/85146
1268         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1269         argument.
1270         * semantics.c (calculate_bases): Add complain argument.  Use
1271         complete_type_or_maybe_complain instead of just complete_type and
1272         return an empty vector if it fails.  Move make_tree_vector () call
1273         after early return.  Formatting fixes.
1274         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
1275         end.
1276         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1277         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1278         calculate_direct_bases callers, formatting fixes.
1280 2018-04-04  Jason Merrill  <jason@redhat.com>
1282         PR c++/85006 - -fconcepts ICE with A<auto...> return type
1283         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1285         PR c++/85200 - ICE with constexpr if in generic lambda.
1286         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1288         PR c++/84221 - bogus -Wunused with attribute and template.
1289         * decl2.c (is_late_template_attribute): Handle unused and used
1290         normally on non-TYPE_DECL.
1292         PR c++/85135 - ICE with omitted template arguments.
1293         * decl.c (grokdeclarator): Catch deduced class type in trailing
1294         return type.
1296         PR c++/85133 - ICE with missing concept initializer.
1297         * decl.c (cp_finish_decl): If a concept initializer is missing, use
1298         true.
1300         PR c++/85118 - wrong error with generic lambda and std::bind.
1301         * call.c (add_template_conv_candidate): Disable if there are any
1302         call operators.
1304         PR c++/85141 - ICE with compound assignment and static member fn.
1305         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1306         compound assignment.
1308         PR c++/85148 - ICE with 'this' in array NSDMI.
1309         * tree.c (replace_placeholders_r): Use handled_component_p.
1311 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1313         PR c++/65923
1314         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1315         * parser.c (cp_parser_unqualified_id): ..not here.
1317 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
1319         PR c++/84943
1320         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1321         used.
1322         * decl2.c (mark_used): Return without effects if tf_conv.
1324 2018-04-03  Jason Merrill  <jason@redhat.com>
1326         PR c++/85092 - C++17 ICE with unused list constructor.
1327         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1328         from a TARGET_EXPR.
1330         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1331         * constexpr.c (cxx_eval_builtin_function_call): Only defer
1332         __builtin_constant_p if ctx->quiet.
1334 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
1336         PR c++/84768
1337         * pt.c (rewrite_template_parm): If the first argument is
1338         error_mark_node return it immediately.
1339         (build_deduction_guide): Check the return value of the
1340         latter for error_mark_node.
1341         (do_class_deduction): Check the return value of the latter.
1343 2018-04-03  Jason Merrill  <jason@redhat.com>
1345         * semantics.c (finish_if_stmt_cond): Use
1346         instantiation_dependent_expression_p.
1348         PR c++/85149 - generic lambda and constexpr if.
1349         * pt.c (build_extra_args, add_extra_args): Split from
1350         tsubst_pack_expansion.
1351         (tsubst_expr) [IF_STMT]: Use them.
1352         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1354         * typeck.c (merge_types): Limit matching attribute shortcut to
1355         the default case.
1357 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
1359         PR c++/85147
1360         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1362         PR c++/85140
1363         * name-lookup.c (handle_namespace_attrs): Return early if attributes
1364         is error_mark_node.
1366         PR c++/85134
1367         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1368         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1369         instead for static data members clear init and set DECL_EXTERNAL.
1371 2018-04-02  Jason Merrill  <jason@redhat.com>
1373         PR c++/64095 - auto... parameter pack.
1374         * parser.c (cp_parser_parameter_declaration): Handle turning autos
1375         into packs here.
1376         (cp_parser_parameter_declaration_list): Not here.
1378 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
1380         PR c++/85027
1381         * class.c (instantiate_type): Peel off SAVE_EXPR before
1382         BASELINK.
1384 2018-03-30  Jason Merrill  <jason@redhat.com>
1386         * typeck2.c (process_init_constructor_record): Use
1387         init_list_type_node for the CONSTRUCTOR around an anonymous union
1388         designated initializer.
1390 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
1392         PR c++/84791
1393         * semantics.c (finish_omp_reduction_clause): If
1394         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1395         even if processing_template_decl.
1397 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1399         PR c++/84269
1400         * name-lookup.c (get_std_name_hint): Add names from <memory>,
1401         <tuple>, and <utility>.
1403 2018-03-29  Jason Merrill  <jason@redhat.com>
1405         PR c++/85093 - too many template args with pack expansion.
1406         * pt.c (coerce_template_parms): Keep pack expansion args that will
1407         need to be empty.
1409 2018-03-29  Jason Merrill  <jason@redhat.com>
1411         * pt.c (build_non_dependent_expr): Propagate expr location.
1413 2018-03-27  Jason Merrill  <jason@redhat.com>
1415         PR c++/85060 - wrong-code with call to base member in template.
1416         * search.c (any_dependent_bases_p): Check uses_template_parms
1417         rather than processing_template_decl.
1419 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1421         PR c++/85110
1422         * typeck.c (convert_for_assignment): When complaining due to
1423         conversions for an argument, attempt to use the location of the
1424         argument.
1426 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
1428         PR c++/85028
1429         * pt.c (tsubst_default_argument): Early return if the type of the
1430         parameter is erroneous.
1432 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
1434         PR c++/84973
1435         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1436         templates.
1438         PR c++/84968
1439         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1441 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1443         PR c++/85067
1444         * method.c (defaulted_late_check): Partially revert r253321 changes,
1445         do not early return upon error.
1447 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1449         PR c++/85077
1450         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1451         type call fold to generate VECTOR_CSTs when possible.
1453         PR c++/85076
1454         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1455         return it right away.
1457 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
1459         * search.c (check_final_overrider): Use inform instead of error
1460         for the diagnostics of the overridden functions.  Tweak wording.
1462 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1464         PR c++/85068
1465         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1466         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
1468 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1469             Jason Merrill  <jason@redhat.com>
1471         PR c++/84632
1472         * init.c (build_aggr_init): When initializing from array,
1473         reject anything but CONSTRUCTORs and TARGET_EXPRs.
1474         (build_vec_init): Handle separately ARRAY_TYPEs.
1476 2018-03-26  Jason Merrill  <jason@redhat.com>
1478         PR c++/85062 - ICE with alignas in wrong place.
1479         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1480         here.
1482         PR c++/85049 - ICE with __integer_pack.
1483         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1484         * cp-tree.h (TEMPLATE_PARM_P): New.
1486 2018-03-23  Jason Merrill  <jason@redhat.com>
1488         PR c++/78489 - wrong SFINAE behavior.
1490         PR c++/84489
1491         * pt.c (type_unification_real): Don't defer substitution failure.
1493 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1495         PR c++/85015
1496         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1497         result.
1499         PR c++/84942
1500         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1501         cp_build_unary_op call with gcc_unreachable ().
1503 2018-03-23  Marek Polacek  <polacek@redhat.com>
1505         PR c++/85045
1506         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1507         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1508         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1510 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1512         Implement P0962
1513         * parser.c (cp_parser_perform_range_for_lookup): Change
1514         the condition for deciding whether to use members.
1516 2018-03-23  Marek Polacek  <polacek@redhat.com>
1518         PR c++/85033
1519         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1521 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1523         PR c++/71251
1524         * parser.c (cp_parser_alias_declaration): Call
1525         parser_check_template_parameters.
1527         PR c++/84789
1528         * pt.c (resolve_typename_type): Drop assert that stopped
1529         simplification to template-independent types.  Add assert to
1530         verify the initial scope is template dependent.
1531         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1532         Reparse the id expression as a type-name, not a declarator.
1534         PR c++/84729
1535         * init.c (build_vec_init): Error at parenthesized array init.
1537         PR c++/84610
1538         PR c++/84642
1539         PR c++/84942
1540         * cp-tree.h (temp_override): New template class, generalizing
1541         a cleanup that was only used...
1542         * parser.c (cp_parser_parameter_declaration_clause):
1543         ... here for auto_is_implicit_function_template_parm_p.
1544         (cp_parser_gnu_attributes_opt): Use it here as well.
1545         (cp_parser_std_attribute): Likewise.
1547 2018-03-22  Marek Polacek  <polacek@redhat.com>
1549         PR c++/84854
1550         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1551         is boolean.
1553 2018-03-21  Jason Merrill  <jason@redhat.com>
1555         PR c++/81311 - wrong C++17 overload resolution.
1556         * call.c (build_user_type_conversion_1): Remove C++17 code.
1557         (conv_binds_ref_to_prvalue): New.
1558         (build_over_call): Handle C++17 copy elision.
1559         (build_special_member_call): Only do C++17 copy elision here if the
1560         argument is already the right type.
1562 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1564         PR c++/71965
1565         * init.c (build_vec_init): Silence error, former sorry,
1566         without tf_error.
1568         PR c++/84610
1569         PR c++/84642
1570         * parser.c (abort_fully_implicit_template_p): New.
1571         (cp_parser_skip_to_end_of_statement): Use it.
1572         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1573         (finish_fully_implicit_template_p): Clear
1574         implicit_template_parms and implicit_template_scope.
1576 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1578         PR c++/84972
1579         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1580         error_mark_node when check_array_designated_initializer fails.
1582 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1584         PR c++/84961
1585         * cp-tree.h (genericize_compound_lvalue): Declare.
1586         * typeck.c (genericize_compound_lvalue): New function.
1587         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1588         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1589         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1590         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1591         COMPOUND_EXPR operand.
1593 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1595         PR c++/85008
1596         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1597         * decl2.c (vague_linkage_p): Likewise.
1599 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1601         PR c++/84994
1602         * constexpr.c (constexpr_fn_retval): Make non-"static".
1603         * cp-tree.h (constexpr_fn_retval): New decl.
1604         * search.c (direct_accessor_p): Update leading comment.
1605         (reference_accessor_p): Likewise.
1606         (field_accessor_p): Replace check that function body is a
1607         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1608         indentation of "field_type" decl.
1610 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1612         PR c++/84804
1613         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1614         complete classes.
1616 2018-03-21  Martin Sebor  <msebor@redhat.com>
1618         PR c++/84850
1619         * call.c (first_non_public_field): New template and function.
1620         (first_non_trivial_field): New function.
1621         (maybe_warn_class_memaccess): Call them.
1623 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1625         PR c++/84892
1626         * search.c (field_accessor_p): Use class_of_this_parm rather than
1627         type_of_this_parm, to check that "this" is a "const T *", rather
1628         than a "T *const".
1630 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1632         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1633         other than public non-static data members.
1634         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1635         parenthesized initializer.
1637         PR c++/84836
1638         * name-lookup.c (update_binding): Correct logic for local binding
1639         update.
1641 2018-03-21  Marek Polacek  <polacek@redhat.com>
1643         PR c++/71638, ICE with NSDMI and reference.
1644         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1645         even when we replace an element.
1647 2018-03-20  Marek Polacek  <polacek@redhat.com>
1649         PR c++/84978, ICE with NRVO.
1650         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1651         a RESULT_DECL isn't in the hash map.
1653 2018-03-20  Jason Merrill  <jason@redhat.com>
1655         PR c++/84978, ICE with NRVO.
1656         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1657         (cp_get_callee_fndecl_nofold): New.
1658         * cp-gimplify.c (cp_genericize_r): Use it instead.
1659         * call.c (check_self_delegation): Likewise.
1661 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1663         PR c++/84962
1664         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1665         member_vec, if there is one.
1667         PR c++/84970
1668         * cp-tree.h (lookup_list_keep): Declare.
1669         * tree.c (lookup_list_keep): New, broken out of ...
1670         (build_min): ... here.  Call it.
1671         * decl.c (cp_finish_decl): Call lookup_list_keep.
1673 2018-03-19  Jason Merrill  <jason@redhat.com>
1675         PR c++/84937 - ICE with class deduction and auto.
1676         * pt.c (rewrite_template_parm): Fix auto handling.
1678 2018-03-19  Marek Polacek  <polacek@redhat.com>
1680         PR c++/84925
1681         * pt.c (enclosing_instantiation_of): Check if fn is null.
1683         PR c++/84927
1684         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1685         as we evaluate the elements.
1686         (cxx_eval_constant_expression): Verify constructor's flags
1687         unconditionally.
1689 2018-03-19  Jason Merrill  <jason@redhat.com>
1691         PR c++/71834 - template-id with too few arguments.
1692         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1694 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1696         PR c++/84835
1697         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1698         * pt.c (build_template_decl): Propagate language linkage.
1700         PR c++/84812
1701         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1702         ambiguous lookups.
1704 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1706         PR c/84910
1707         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1708         diagnostics.
1709         * method.c (synthesize_method): Likewise.
1710         * pt.c (convert_nontype_argument): Likewise.
1712 2018-03-16  Jason Merrill  <jason@redhat.com>
1714         PR c++/84720 - ICE with rvalue ref non-type argument.
1715         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1716         (convert_nontype_argument): Revert earlier change.
1718         PR c++/80227 - SFINAE and negative array size.
1719         * decl.c (compute_array_index_type): Use
1720         build_converted_constant_expr and valid_constant_size_p.
1722         PR c++/84906 - silent wrong code with ambiguous conversion.
1723         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1724         ambiguous conversion.
1725         (convert_like_real): Check it.
1727         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1728         * call.c (build_special_member_call): Don't convert an init-list
1729         argument directly to the class type.
1731 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1733         PR c++/79937
1734         PR c++/82410
1735         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1736         (find_placeholder): Declare.
1737         * tree.c (struct replace_placeholders_t): Add exp member.
1738         (replace_placeholders_r): Don't walk into ctors with
1739         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1740         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1741         (replace_placeholders): Initialize data.exp.
1742         (find_placeholders_r, find_placeholders): New functions.
1743         * typeck2.c (process_init_constructor_record,
1744         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1745         if adding NSDMI on which find_placeholder returns true.
1746         * call.c (build_over_call): Don't call replace_placeholders here.
1747         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1748         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1749         TARGET_EXPR_INITIAL.
1750         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1751         ctor.
1753 2018-03-16  Jason Merrill  <jason@redhat.com>
1755         PR c++/83911 - ICE with multiversioned constructor.
1756         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1757         dispatchere here.
1758         * call.c (build_over_call): Not here.
1760 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1762         PR c++/84874
1763         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1764         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1766 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1768         PR c++/84222
1769         * cp-tree.h (cp_warn_deprecated_use): Declare.
1770         * tree.c (cp_warn_deprecated_use): New function.
1771         * typeck2.c (build_functional_cast): Use it.
1772         * decl.c (grokparms): Likewise.
1773         (grokdeclarator): Likewise.  Temporarily push nested class scope
1774         around grokparms call for out of class member definitions.
1776 2018-03-14  Jason Merrill  <jason@redhat.com>
1778         PR c++/84820 - no error for invalid qualified-id.
1779         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1780         cp_error_declarator.
1782         PR c++/84801 - ICE with unexpanded pack in lambda.
1783         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1784         lambda in non-template context.
1786         PR c++/81236 - auto variable and auto function
1787         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1788         mark_used.
1790 2018-03-14  Jason Merrill  <jason@redhat.com>
1792         PR c++/83916 - ICE with template template parameters.
1793         * pt.c (convert_template_argument): Don't substitute into type of
1794         non-type parameter if we don't have enough arg levels.
1795         (unify): Likewise.
1797 2018-03-14  Marek Polacek  <polacek@redhat.com>
1799         PR c++/84596
1800         * semantics.c (finish_static_assert): Check
1801         instantiation_dependent_expression_p instead of
1802         {type,value}_dependent_expression_p.
1804 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1805             Jason Merrill  <jason@redhat.com>
1807         PR c++/82336 - link error with list-init default argument.
1808         * decl.c (check_default_argument): Unshare an initializer list.
1810 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1812         PR c++/84843
1813         * decl.c (duplicate_decls): For redefinition of built-in, use error
1814         and return error_mark_node.  For redeclaration, return error_mark_node
1815         rather than olddecl if !flag_permissive.
1817 2018-03-13  Jason Merrill  <jason@redhat.com>
1819         PR c++/82565 - ICE with concepts and generic lambda.
1820         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1822 2018-03-13  Jason Merrill  <jason@redhat.com>
1824         PR c++/84720 - ICE with rvalue ref non-type argument.
1825         * pt.c (convert_nontype_argument): Handle rvalue references.
1827         PR c++/84839 - ICE with decltype of parameter pack.
1828         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1829         instantiating dummy parms.
1831         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1832         parameter even without -Wpedantic.
1834         PR c++/84798 - ICE with auto in abstract function declarator.
1835         * parser.c (cp_parser_parameter_declaration_clause): Check
1836         parser->default_arg_ok_p.
1838 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1840         PR c++/84808
1841         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1842         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1843         sizetype.  Formatting fixes.
1845 2018-03-12  Jason Merrill  <jason@redhat.com>
1847         PR c++/84355 - ICE with deduction for member class template.
1848         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1849         CLASS_PLACEHOLDER_TEMPLATE.
1851         PR c++/84802 - ICE capturing uninstantiated class.
1852         * lambda.c (build_capture_proxy): Call complete_type.
1854 2018-03-09  Jason Merrill  <jason@redhat.com>
1856         PR c++/84770 - ICE with typedef and parameter pack.
1857         * pt.c (verify_unstripped_args_1): Split out from
1858         verify_unstripped_args.
1860         PR c++/84785 - ICE with alias template and default targs.
1861         * pt.c (type_unification_real): Set processing_template_decl if
1862         saw_undeduced == 1.
1864         PR c++/84752 - ICE with capture of constexpr array.
1865         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1866         identity conversion under ck_lvalue.
1868 2018-03-09  Jason Merrill  <jason@redhat.com>
1869             Paolo Carlini  <paolo.carlini@oracle.com>
1871         PR c++/71169
1872         PR c++/71832
1873         * pt.c (any_erroneous_template_args_p): New.
1874         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1875         * parser.c (cp_parser_class_specifier_1): Use it.
1877 2018-03-09  Jason Merrill  <jason@redhat.com>
1879         PR c++/84726 - unnecessary capture of constant vars.
1880         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1881         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1882         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1883         * lambda.c (is_constant_capture_proxy)
1884         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1885         (prune_lambda_captures): New.
1886         (finish_lambda_function): Call prune_lambda_captures.
1888 2018-03-09  Jason Merrill  <jason@redhat.com>
1889             Jakub Jelinek  <jakub@redhat.com>
1891         PR c++/84076
1892         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1893         build ADDR_EXPR with REFERENCE_TYPE.
1894         (build_over_call): For purposes of check_function_arguments, if
1895         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1896         its operand rather than the argument itself.
1898 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1900         PR c++/84724
1901         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1902         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1903         also a note and return olddecl.
1905 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1907         PR c++/84733
1908         * name-lookup.c (do_pushdecl_with_scope): Only clear
1909         current_function_decl when pushing a non-class (i.e. namespace)
1910         scope.
1912 2018-03-08  Jason Merrill  <jason@redhat.com>
1913             Jakub Jelinek  <jakub@redhat.com>
1915         PR c++/80598
1916         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1917         not calling mark_used for the benefit of -Wunused-function warning.
1919 2018-03-06  Jason Merrill  <jason@redhat.com>
1921         * lambda.c (is_capture_proxy_with_ref): Remove.
1922         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1924 2018-03-06  Marek Polacek  <polacek@redhat.com>
1926         PR c++/84684
1927         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1928         arguments.
1930 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1932         PR c++/84231
1933         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1934         only while processing template decls.
1935         * typeck.c (build_x_conditional_expr): Move wrapping of
1936         reference type around type...
1937         * call.c (build_conditional_expr_1): ... here.  Rename
1938         is_lvalue to is_glvalue.
1939         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1940         INDIRECT_REF of COND_EXPR too.
1942         PR c++/84593
1943         * init.c (build_zero_init_1): Zero-initialize references.
1945         PR c++/84492
1946         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1947         overloads used as stmt expr values.
1949 2018-03-05  Jason Merrill  <jason@redhat.com>
1951         PR c++/84708 - ICE with lambda in local class NSDMI.
1952         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1953         context.
1955 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1957         PR c++/84684
1958         * constexpr.c (constexpr_call_hasher::equal): Return false if
1959         lhs->hash != rhs->hash.  Change return 1 to return true and
1960         return 0 to return false.
1962 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1964         PR c++/84702
1965         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1967 2018-03-05  Marek Polacek  <polacek@redhat.com>
1969         PR c++/84707
1970         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1971         UDLIT_OPER_P.
1973 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1975         PR c++/84694
1976         * friend.c (do_friend): Restore check for identifier_p inside
1977         TEMPLATE_ID_EXPR.
1979 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1981         PR c++/84618
1982         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1983         involving a VAR_DECL or a PARM_DECL.
1985 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1986             Jason  Merrill  <jason@redhat.com>
1987             Nathan Sidwell  <nathan@acm.org>
1989         PR c++/84497
1990         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1992 2018-03-03  Jason Merrill  <jason@redhat.com>
1994         PR c++/84686 - missing volatile loads.
1995         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1997 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1999         PR c++/71464
2000         * optimize.c (maybe_thunk_body): Bail out immediately if either
2001         fns[0] or fns[1] is null.
2003 2018-03-02  Marek Polacek  <polacek@redhat.com>
2005         PR c++/84578
2006         * constexpr.c (get_array_or_vector_nelts): New.
2007         (cxx_eval_array_reference): Use it.
2008         (cxx_eval_vec_init_1): Likewise.
2009         (cxx_eval_store_expression): Likewise.
2011 2018-03-02  Jason Merrill  <jason@redhat.com>
2013         * semantics.c (force_paren_expr): Remove redundant test.
2015 2018-03-02  Marek Polacek  <polacek@redhat.com>
2017         PR c++/84663
2018         * decl.c (cp_complete_array_type): Check error_mark_node.
2020         PR c++/84664
2021         * typeck.c (cp_perform_integral_promotions): Check the result of
2022         mark_rvalue_use.
2024 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
2026         PR c++/84662
2027         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2028         RETURN instead of return.
2029         <case POINTER_PLUS_EXPR>: Likewise.
2030         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2031         it instead of wrapping it into CONVERT_EXPR.
2033 2018-03-02  Jason Merrill  <jason@redhat.com>
2035         Fix MIPS16 ICE.
2036         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2038 2018-03-02  Marek Polacek  <polacek@redhat.com>
2040         PR c++/84590
2041         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2042         wrapped in VIEW_CONVERT_EXPR.
2044 2018-03-01  Martin Sebor  <msebor@redhat.com>
2046         PR c++/84294
2047         * decl.c (check_redeclaration_no_default_args): Merge attributes
2048         specified on redeclarations of the same function template.
2049         Remove dead code.
2051 2018-03-01  Marek Polacek  <polacek@redhat.com>
2052             Jason Merrill  <jason@redhat.com>
2054         PR c++/84582
2055         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2056         a template.
2057         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2058         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2059         of instantiate_non_dependent_expr.
2060         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2062 2018-03-01  Nathan Sidwell  <nathan@acm.org>
2064         PR c++/84434
2065         * name-lookup.c (member_vec_dedup): Remove manually peeled
2066         iteration.  Ignore dependent ctor inheritance.
2068 2018-03-01  Jason Merrill  <jason@redhat.com>
2070         PR c++/71569 - decltype of template.
2071         * parser.c (cp_parser_decltype_expr): Handle missing template args.
2073 2018-03-01  Marek Polacek  <polacek@redhat.com>
2075         PR c++/84596
2076         * constexpr.c (require_rvalue_constant_expression): New function.
2077         * cp-tree.h: Declare it.
2078         * semantics.c (finish_static_assert): Use it instead of
2079         require_potential_rvalue_constant_expression.
2081 2018-03-01  Jason Merrill  <jason@redhat.com>
2082             Alexandre Oliva <aoliva@redhat.com>
2084         PR c++/71569 - ICE with redundant args on member variable template.
2085         * decl.c (start_decl): Handle partial specialization of member
2086         variable template.
2087         * pt.c (determine_specialization): Allow partial specialization
2088         of member variable template without specializing enclosing class.
2089         (process_partial_specialization): Improve error message.
2091 2018-02-28  Jason Merrill  <jason@redhat.com>
2093         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2094         * pt.c (determine_specialization): Check ref-qualifier.
2096 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2098         PR c++/84609
2099         * parser.c (cp_parser_attributes_opt): Formatting fix.
2100         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2101         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2102         New functions.
2103         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2104         instead of tentative parse to peek over optional attribute tokens
2105         to check for CPP_COLON after them.
2107         PR c++/83871
2108         PR c++/83503
2109         * pt.c (INCLUDE_STRING): Remove define.
2110         (warn_spec_missing_attributes): Use pretty_printer instead of
2111         std::string.  Fix up inform call so that the list of attributes
2112         is in %s argument.
2114 2018-02-28  Martin Sebor  <msebor@redhat.com>
2116         PR testsuite/84617
2117         * decl.c (duplicate_decls): Fully merge attributes const, pure,
2118         and malloc.
2120 2018-02-28  Nathan Sidwell  <nathan@acm.org>
2122         PR c++/84602
2123         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2124         * name-lookup.c (fields_linear_search): Look in an anon-aggr
2125         regardless of want_type.
2126         (search_anon_aggr): Just use get_class_binding_direct.
2128 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2130         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2131         inform_n.
2133 2018-02-27  Martin Sebor  <msebor@redhat.com>
2135         * pt.c: Avoid including <string> directly.
2137 2018-02-27  Martin Sebor  <msebor@redhat.com>
2139         PR c++/83871
2140         PR c++/83503
2141         * cp-tree.h (warn_spec_missing_attributes): New function.
2142         ((check_explicit_specialization): Add an argument.  Call the above
2143         function.
2144         * decl.c (duplicate_decls): Avoid applying primary function template's
2145         attributes to its explicit specializations.
2146         cp/pt.c (warn_spec_missing_attributes): Define.
2148 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
2150         PR c++/71546 - lambda init-capture with qualified-id.
2151         * parser.c (cp_parser_lambda_introducer): Clear scope after
2152         each lambda capture.
2154 2018-02-27  Nathan Sidwell  <nathan@acm.org>
2156         PR c++/84426
2157         * name-lookup.h (get_member_slot): Rename ...
2158         (find_member_slot): ... here.
2159         (add_member_slot): New.
2160         * name-lookup.c (member_vec_linear_search): No need to check for
2161         NULL slot.
2162         (get_member_slot): Rename ...
2163         (find_member_slot): ... here.  Don't add slot for incomplete class.
2164         (add_member_slot): New.
2165         * class.c (add_method): Adjust get_member_slot rename.  Bail out
2166         if push_class_level_binding fails.  Create slot and grok
2167         properties once we're committed to insertion.
2169 2018-02-27  Jason Merrill  <jason@redhat.com>
2171         PR c++/84489 - dependent default template argument
2172         * pt.c (type_unification_real): Handle early substitution failure.
2174 2018-02-26  Jason Merrill  <jason@redhat.com>
2176         PR c++/84560 - ICE capturing multi-dimensional VLA.
2177         * tree.c (array_of_runtime_bound_p): False if the element is
2178         variably-modified.
2180         PR c++/84441 - ICE with base initialized from ?:
2181         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2183         PR c++/84520 - ICE with generic lambda in NSDMI.
2184         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2185         'this' in a generic lambda instantiation.
2187         PR c++/84559 - ICE with constexpr VLA.
2188         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2189         for constexpr variable with VLA type.
2191 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
2193         PR c++/84558
2194         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2195         a valid constant initializer.  Formatting fixes.
2197 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2199         PR c++/84540
2200         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2201         returning NULL_TREE.
2202         (apply_late_template_attributes): Likewise.
2204 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
2206         PR c++/84557
2207         * parser.c (cp_parser_omp_var_list_no_open): Only call
2208         cp_parser_lookup_name_simple on names satisfying identifier_p.
2209         (cp_parser_oacc_routine): Likewise.
2211 2018-02-26  Jason Merrill  <jason@redhat.com>
2213         PR c++/84551 - ICE with concepts and -g.
2214         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2216 2018-02-26  Marek Polacek  <polacek@redhat.com>
2218         PR c++/84325
2219         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2220         non-types.
2222 2018-02-26  Jason Merrill  <jason@redhat.com>
2224         PR c++/84447 - ICE with deleted inherited ctor with default arg.
2225         * call.c (build_over_call): Handle deleted functions in one place.
2227 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2229         PR c++/84533
2230         * decl.c (redeclaration_error_message): Don't try to use
2231         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2233 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2235         * lambda.c (build_capture_proxy): Define static.
2236         * cp-tree.h (build_capture_proxy): Remove.
2238 2018-02-26  Marek Polacek  <polacek@redhat.com>
2240         PR c++/84537
2241         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2242         if name is error node.
2244 2018-02-25  Jason Merrill  <jason@redhat.com>
2246         PR c++/84015 - ICE with class deduction and auto template parm.
2247         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2249 2018-02-24  Marek Polacek  <polacek@redhat.com>
2251         PR c++/83692
2252         * constexpr.c (maybe_constant_init_1): New function.
2253         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2254         (cxx_constant_init): New function.
2255         * cp-tree.h (cxx_constant_init): Declare.
2256         * typeck2.c (store_init_value): Call cxx_constant_init instead of
2257         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
2259 2018-02-22  Jason Merrill  <jason@redhat.com>
2261         PR c++/70468 - ICE with constructor delegation via typedef.
2262         * pt.c (tsubst_initializer_list): Check for other mem-initializers
2263         with constructor delegation.
2265 2018-02-22  Jason Merrill  <jason@redhat.com>
2267         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2268         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2269         VECTOR_TYPE.
2271 2018-02-22  Marek Polacek  <polacek@redhat.com>
2273         PR c++/84493
2274         * parser.c (cp_parser_braced_list): Use require_open instead of
2275         consume_open.
2277 2018-02-21  Jason Merrill  <jason@redhat.com>
2279         PR c++/84454 - ICE with pack expansion in signature.
2280         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2282 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
2284         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2285         IF_STMT.
2287 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
2289         PR c++/84446
2290         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2291         on error_mark_node.
2293 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
2295         PR c++/84445
2296         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2297         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2299         PR c++/84449
2300         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2301         returns error_mark_node, return it immediately.
2302         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2303         error_mark_node, return error_mark_node.
2305         PR c++/84455
2306         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2307         function_depth to avoid GC during finish_lambda_function.
2309 2018-02-19  Jason Merrill  <jason@redhat.com>
2311         PR c++/84429 - ICE capturing VLA.
2312         * lambda.c (build_capture_proxy): Handle reference refs.
2314 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
2316         PR c++/84448
2317         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2318         either operand is error_mark_node, set current.lhs to that instead of
2319         creating a binary op with error_mark_node operands.
2321         PR c++/84430
2322         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2324 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
2326         PR c++/84348
2327         * decl.c (grokdeclarator): Early return error_mark_node upon
2328         ill-formed friend declaration.
2330 2018-02-16  Marek Polacek  <polacek@redhat.com>
2331             Jakub Jelinek  <jakub@redhat.com>
2333         PR c++/84192
2334         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2335         set *jump_target to anything if jump_target is NULL.
2337 2018-02-16  Jason Merrill  <jason@redhat.com>
2339         PR c++/84151 - unnecessary volatile load with static member.
2340         * call.c (build_new_method_call_1): Avoid loading from a volatile
2341         lvalue used as the object argument for a static member function.
2343         PR c++/81853 - using-directive and constexpr.
2344         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2346         PR c++/84420 - ICE with structured binding in lambda.
2347         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2349         PR c++/83835 - C++17 error with constructor ctors.
2350         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2352         PR c++/82664 - ICE with reference to function template parm.
2353         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2354         NOP_EXPRs.
2356         PR c++/82764 - C++17 ICE with empty base
2357         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2359 2018-02-16  Jason Merrill  <jason@redhat.com>
2361         PR c++/84421 - type-dependent if constexpr
2362         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2364 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2366         Deprecate -ffriend-injection.
2367         * decl.c (cxx_init_decl_processing): Emit warning on option.
2368         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2369         friend.
2371 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
2373         PR c++/82468
2374         * decl.c (check_special_function_return_type): Reject template
2375         template parameter in deduction guide.
2377 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2379         PR c++/84375
2380         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2382 2018-02-15  Jason Merrill  <jason@redhat.com>
2384         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2385         * call.c (convert_like_real): Don't use the copy-list-initialization
2386         shortcut for ck_base.
2388         PR c++/84045 - ICE with typedef and noexcept.
2389         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2391         PR c++/84376 - ICE with omitted template arguments.
2392         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2394         PR c++/84368 - wrong error with local variable in variadic lambda.
2395         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2396         local_specializations.
2398 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
2400         PR c++/84330
2401         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2402         as first argument.
2404 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2406         PR c++/84350
2407         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2408         init, early return.
2410 2018-02-14  Nathan Sidwell  <nathan@acm.org>
2412         * decl2.c (mark_vtable_entries): Set input_location to decl's.
2413         (c_parse_final_cleanups): Restore input_location after emitting
2414         vtables.
2416 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2418         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2419         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2420         auto_deduction_context, tree, int): Add defaults.
2421         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2422         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2423         tsubst_flags_t argument.
2424         * init.c (build_new): Likewise.
2426 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
2428         PR c++/84364
2429         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2430         about return other than *this in assignment operators if
2431         retval is type dependent expression.
2433 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
2435         PR c++/84333
2436         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2437         save_expr for the G++ extension.
2439 2018-02-13  Jason Merrill  <jason@redhat.com>
2441         PR c++/84080 - ICE with return type deduction and specialization.
2442         * pt.c (determine_specialization): Check uses_template_parms.
2444         Fix more variadic capture issues.
2445         * pt.c (find_parameter_packs_r): Also look at explicit captures.
2446         (check_for_bare_parameter_packs): Check current_class_type for
2447         lambda context.
2448         (extract_locals_r): Handle seeing a full instantiation of a pack.
2449         (tsubst_pack_expansion): Likewise.  Force lambda capture.
2450         * parser.c (cp_parser_lambda_introducer): Don't
2451         check_for_bare_parameter_packs.
2453         PR c++/84338 - wrong variadic sizeof.
2454         * pt.c (argument_pack_select_arg): Like the macro, but look through
2455         a pack expansion.
2456         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2457         (extract_fnparm_pack): Do make_pack_expansion.
2458         (extract_locals_r): Do strip a pack expansion.
2459         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2461 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
2463         PR c++/84341
2464         * parser.c (cp_parser_binary_expression): Use build_min instead of
2465         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2467 2018-02-12  Nathan Sidwell  <nathan@acm.org>
2469         PR c++/84263
2470         * parser.c (cp_parser_decltype): Push and pop
2471         deferring_access_checks.  Reorganize to avoid goto.
2473 2018-02-12  Richard Biener  <rguenther@suse.de>
2475         PR c++/84281
2476         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2477         uniform constructors and delay allocating them fully.
2479 2018-02-09  Jason Merrill  <jason@redhat.com>
2481         PR c++/84036 - ICE with variadic capture.
2482         Handle variadic capture proxies more like non-variadic.
2483         * lambda.c (build_capture_proxy): Remove workaround.
2484         * pt.c (find_parameter_packs_r): The proxy is a pack.
2485         (instantiate_class_template_1): Remove dead lambda code.
2486         (extract_fnparm_pack): Don't make_pack_expansion.
2487         (extract_locals_r): Don't strip a pack expansion.
2488         (tsubst_pack_expansion): Handle proxy packs.  Use
2489         PACK_EXPANSION_EXTRA_ARGS less.
2490         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2491         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2492         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2493         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2494         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2496 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2498         PR sanitizer/83987
2499         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2501 2018-02-09  Jason Merrill  <jason@redhat.com>
2503         PR c++/81917 - ICE with void_t and partial specialization.
2504         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2505         calling most_specialized_partial_spec.
2507 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2509         PR c/84293
2510         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2511         Pass expr location to strict_aliasing_warning.
2513 2018-02-09  Jason Merrill  <jason@redhat.com>
2515         PR c++/84296 - ICE with qualified-id in template.
2516         PR c++/83714
2517         * pt.c (unknown_base_ref_p): New.
2518         (instantiation_dependent_scope_ref_p): Use it instead of
2519         any_dependent_bases_p.
2521 2018-02-09  Marek Polacek  <polacek@redhat.com>
2522             Jakub Jelinek  <jakub@redhat.com>
2524         PR c++/83659
2525         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2526         fold_indirect_ref_1, including poly_*int64.  Verify first that
2527         tree_fits_poly_int64_p (op01).  Formatting fixes.
2529 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2531         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2532         * lambda.c (build_capture_proxy): Likewise.
2533         * search.c (field_access_p): Likewise.
2534         * semantics.c (omp_clause_decl, omp_privatize_field,
2535         finish_omp_clauses): Likewise.
2537 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2539         PR c++/83806
2540         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2541         case of nullptr too.
2543 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2545         * class.c (finish_struct): Fix std:initializer_list diagnostic
2546         formatting.
2548 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2550         PR c++/83204
2551         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2553 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2555         PR c++/84082
2556         * parser.c (cp_parser_dot_deref_incomplete): New function.
2557         (cp_parser_postfix_dot_deref_expression): Use it.
2559 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2561         PR c++/81610
2562         PR c++/80567
2563         * name-lookup.c (suggest_rid_p): New function.
2564         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2565         suggest_rid_p.
2567 2018-02-07  Jason Merrill  <jason@redhat.com>
2569         PR c++/84182 - ICE with captured lambda
2570         PR c++/84181
2571         * pt.c (extract_locals_r, extract_local_specs): New.
2572         (tsubst_pack_expansion): Use them.
2574 2018-02-07  Martin Liska  <mliska@suse.cz>
2576         PR c++/84059.
2577         * class.c (add_method): Append argument value.
2578         * cp-tree.h (maybe_version_functions): Add new argument.
2579         * decl.c (decls_match): Call it if a declaration does not
2580         have DECL_FUNCTION_VERSIONED.
2581         (maybe_version_functions): record argument is added.
2583 2018-02-05  Marek Polacek  <polacek@redhat.com>
2585         * class.c: Remove unused global variables.
2586         (build_primary_vtable): Don't gather statistics.
2587         (print_class_statistics): Remove.
2588         * cp-tree.h (print_class_statistics): Remove.
2589         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2591 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2593         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2594         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2595         * decl.c (next_initializable_field, find_decomp_class_base,
2596         cp_finish_decomp): Likewise.
2597         * typeck2.c (process_init_constructor_record): Likewise.
2599 2018-02-02  Jason Merrill  <jason@redhat.com>
2601         PR c++/84181 - ICE with lambda parm in template argument.
2602         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2604 2018-02-01  Jason Merrill  <jason@redhat.com>
2606         PR c++/84160 - ICE with nested variadic capture.
2607         * lambda.c (is_capture_proxy_with_ref): New.
2608         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2609         COMPONENT_REF.
2610         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2611         * constexpr.c (potential_constant_expression_1): Likewise.
2612         * semantics.c (process_outer_var_ref): Likewise.
2614 2018-02-01  Marek Polacek  <polacek@redhat.com>
2616         PR c++/84125
2617         * typeck.c (build_address): Relax the assert when
2618         processing_template_decl.
2620 2018-02-01  Jason Merrill  <jason@redhat.com>
2622         PR c++/84126 - ICE with variadic generic lambda
2623         PR c++/84036
2624         PR c++/82249
2625         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2626         PACK_EXPANSION_EXTRA_ARGS.
2628 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2630         PR c++/83796
2631         * call.c (convert_like_real): If w're initializing from {} explicitly
2632         call abstract_virtuals_error_sfinae.
2634 2018-01-31  Jason Merrill  <jason@redhat.com>
2635             Jakub Jelinek  <jakub@redhat.com>
2637         PR c++/83993
2638         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2639         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2640         on ADDR_EXPR.
2642 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2644         PR c++/83993
2645         * constexpr.c (diag_array_subscript): Emit different diagnostics
2646         if TYPE_DOMAIN (arraytype) is NULL.
2647         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2648         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2650 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2652         PR c++/84092
2653         * semantics.c (finish_qualified_id_expr): When handling an
2654         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2656 2018-01-31  Marek Polacek  <polacek@redhat.com>
2658         PR c++/84138
2659         * cp-gimplify.c (cp_fold): Check if X is an error node before
2660         calling useless_type_conversion_p.
2662 2018-01-30  Jason Merrill  <jason@redhat.com>
2664         PR c++/84091 - ICE with local class in lambda in template.
2665         * decl2.c (determine_visibility): Look for outer containing template
2666         instantiation.
2668         PR c++/84098 - ICE with lambda in template NSDMI.
2669         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2671 2018-01-29  Jason Merrill  <jason@redhat.com>
2673         PR c++/68810 - wrong location for reinterpret_cast error.
2674         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2675         !dofold.
2677 2018-01-29  Marek Polacek  <polacek@redhat.com>
2679         PR c++/83996
2680         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2681         => fooarray[1] in offset_int.
2683 2018-01-29  Jason Merrill  <jason@redhat.com>
2685         PR c++/83942 - wrong unused warning with static_cast.
2686         * cvt.c (ocp_convert): Call mark_rvalue_use.
2688 2018-01-26  Jason Merrill  <jason@redhat.com>
2690         PR c++/83956 - wrong dtor error with anonymous union
2691         * method.c (walk_field_subobs): Variant members only affect
2692         deletedness.
2693         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2695         PR c++/84036 - ICE with variadic capture.
2696         PR c++/82249
2697         * pt.c (tsubst_pack_expansion): When optimizing a simple
2698         substitution, pull a single pack expansion out of its pack.
2700         PR c++/82514 - ICE with local class in generic lambda.
2701         * pt.c (regenerated_lambda_fn_p): Remove.
2702         (enclosing_instantiation_of): Don't use it.
2703         (tsubst_function_decl): Call enclosing_instantiation_of.
2705         * pt.c (lookup_template_class_1): Add sanity check.
2706         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2708 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2710         PR c++/84031
2711         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2712         recursive calls that return ret.
2713         (cp_finish_decomp): Ignore unnamed bitfields.
2715 2018-01-23  Jason Merrill  <jason@redhat.com>
2717         PR c++/82249 - wrong mismatched pack length error.
2718         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2719         unsubstituted function parameter pack.
2721 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2723         PR c++/83921
2724         * decl.c (check_for_uninitialized_const_var): Not static; add
2725         bool and tsubst_flags_t parameters; adjust to be used both in
2726         constexpr context and not.
2727         * constexpr.c (potential_constant_expression_1): Use the above.
2728         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2730 2018-01-23  Jason Merrill  <jason@redhat.com>
2732         PR c++/83947 - ICE with auto declarations.
2733         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2734         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2736 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2738         PR c++/83974
2739         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2740         for pointer to member function types.
2742 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2744         PR sanitizer/83987
2745         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2746         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2748 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2750         PR c++/83988
2751         * pt.c (tsubst_baselink): Remove optype assert.
2752         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2754 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2756         PR c++/83958
2757         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2758         refers to incomplete type.
2760 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2762         Deprecate ARM-era for scope handling
2763         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2764         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2765         cleared.
2766         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2767         cleanup handling.
2768         * semantics.c (begin_for_scope): Flag_new_for_scope is
2769         boolean-like.
2770         (finish_for_stmt, begin_range_for_stmt): Likewise.
2772 2018-01-22  Jason Merrill  <jason@redhat.com>
2774         PR c++/83720
2775         * decl2.c (determine_visibility): Fix template_decl handling
2776         instead of blocking it.
2778         PR c++/83720 - ICE with lambda and LTO.
2779         * decl2.c (determine_visibility): Clear template_decl for
2780         function-scope decls.  Propagate anonymous linkage from containing
2781         function.
2783 2018-01-22  Marek Polacek  <polacek@redhat.com>
2785         PR c++/81933
2786         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2787         split out anything.
2789 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2791         PR c++/83895
2792         * decl.c (grokdeclarator): Don't diagnose extra parens
2793         on typedefs.
2795 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2797         PR c++/81167
2798         * call.c (joust): Use TREE_TYPE (source) if source is
2799         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2801         PR c++/83919
2802         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2803         for direct enum init.
2804         * decl.c (reshape_init): Likewise.
2806 2018-01-19  Marek Polacek  <polacek@redhat.com>
2808         * constexpr.c (fold_simple): Simplify.
2810 2018-01-18  Jason Merrill  <jason@redhat.com>
2812         PR c++/83714
2813         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2814         * pt.c (instantiation_dependent_scope_ref_p): True if
2815         any_dependent_bases_p.
2817 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2819         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2820         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2822 2018-01-18  Jason Merrill  <jason@redhat.com>
2824         PR c++/82461 - constexpr list-initialized member
2825         * constexpr.c (potential_constant_expression_1): Check
2826         TARGET_EXPR_DIRECT_INIT_P.
2828 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2830         PR c++/81013
2831         * decl.c (xref_basetypes): Early return upon error about derived
2832         union.
2834 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2836         PR c++/83160
2837         * cp-tree.h (mark_use): Declare.
2838         * expr.c (mark_use): Make extern.
2839         * call.c (direct_reference_binding): Set inner conv's
2840         rvaluedness_matches_p, if it is an identity.
2841         (convert_like_real): Mark lvalue or rvalue use for identity as
2842         rvaledness_matches_p demands.
2844 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2846         PR c++/83824
2847         * parser.c (attr_chainon): New function.
2848         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2849         cp_parser_namespace_definition, cp_parser_init_declarator,
2850         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2851         cp_parser_gnu_attributes_opt): Use it.
2852         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2853         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2854         prefix_attributes if attributes is error_mark_node.
2856 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2858         PR c++/78344
2859         * decl.c (grokdeclarator): Do not append the error_mark_node
2860         due to an erroneous optional attribute-specifier-seq.
2862 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2864         PR c++/83897
2865         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2866         CLEANUP_POINT_EXPR.
2868 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2870         PR c++/81054
2871         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2872         error_mark_node when we give an error.
2873         * decl.c (cp_finish_decl): Use the latter.
2875 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2877         PR c++/83287
2878         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2880 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2882         PR c++/83814
2883         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2884         the C++ part.  If processing a template, call
2885         fold_non_dependent_expr rather than fully folding.
2887 2018-01-17  Jason Merrill  <jason@redhat.com>
2889         PR c++/81067 - redundant NULL warning.
2890         * call.c (convert_like_real): Restore null_node handling.
2892 2018-01-17  Jason Merrill  <jason@redhat.com>
2894         PR c++/81843 - ICE with variadic member template.
2895         PR c++/72801
2896         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2897         template args.
2899 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2901         PR c++/83799
2902         * pt.c (type_dependent_expression_p): Strip any location wrapper
2903         before testing tree codes.
2904         (selftest::test_type_dependent_expression_p): New function.
2905         (selftest::cp_pt_c_tests): Call it.
2907 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2909         PR c++/83739
2910         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2911         this not a final instantiation.
2913 2018-01-16  Jason Merrill  <jason@redhat.com>
2915         PR c++/83714 - ICE checking return in template.
2916         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2918 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2920         PR c++/83817
2921         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2922         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2923         instead of CALL_FROM_THUNK_P.
2925         PR c++/83825
2926         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2927         (resort_type_member_vec, set_class_bindings,
2928         insert_late_enum_def_bindings): Use vec qsort method instead of
2929         calling qsort directly.
2931 2018-01-15  Martin Sebor  <msebor@redhat.com>
2933         PR c++/83588
2934         * class.c (find_flexarrays): Make a record of multiple flexible array
2935         members.
2937 2018-01-12  Jason Merrill  <jason@redhat.com>
2939         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2940         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2942 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2944         * cp-tree.h (mark_rvalue_use): Add parm name.
2945         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2946         mark_rvalue_use.
2947         * call.c (convert_like_real): Fix formatting.
2949 2018-01-11  Jason Merrill  <jason@redhat.com>
2951         PR c++/82728 - wrong -Wunused-but-set-variable
2952         PR c++/82799
2953         PR c++/83690
2954         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2955         * decl.c (case_conversion): Likewise.
2956         * semantics.c (finish_static_assert): Call
2957         perform_implicit_conversion_flags.
2959 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2961         * method.c (enum mangling_flags): Delete long-dead enum.
2963 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2965         * parser.c (cp_parser_std_attribute_spec): When
2966         token_pair::require_open / require_close return false simply
2967         return error_mark_node, avoid duplicate cp_parser_error about
2968         expected '(' / ')', respectively.
2970 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2972         PR c++/43486
2973         * call.c (null_ptr_cst_p): Strip location wrappers when
2974         converting from '0' to a pointer type in C++11 onwards.
2975         (conversion_null_warnings): Replace comparison with null_node with
2976         call to null_node_p.
2977         (build_over_call): Likewise.
2978         * cp-gimplify.c (cp_fold): Remove the early bailout when
2979         processing_template_decl.
2980         * cp-lang.c (selftest::run_cp_tests): Call
2981         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2982         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2983         (selftest::run_cp_tests): Move decl to bottom of file.
2984         (null_node_p): New inline function.
2985         (selftest::cp_pt_c_tests): New decl.
2986         (selftest::cp_tree_c_tests): New decl.
2987         * cvt.c (build_expr_type_conversion): Replace comparison with
2988         null_node with call to null_node_p.
2989         * error.c (args_to_string): Likewise.
2990         * except.c (build_throw): Likewise.
2991         * mangle.c (write_expression): Skip location wrapper nodes.
2992         * parser.c (literal_integer_zerop): New function.
2993         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2994         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2995         param of cp_parser_parenthesized_expression_list.  When calling
2996         warn_for_memset, replace integer_zerop calls with
2997         literal_integer_zerop, eliminating the double logical negation
2998         cast to bool.  Eliminate the special-casing for CONST_DECL in
2999         favor of the fold_for_warn within warn_for_memset.
3000         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3001         param, defaulting to false.  Convert "expr" to a cp_expr, and call
3002         maybe_add_location_wrapper on it when wrap_locations_p is true.
3003         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3004         the result for RID_ALIGNOF and RID_SIZEOF.
3005         (cp_parser_builtin_offsetof): Likewise.
3006         * pt.c: Include "selftest.h".
3007         (tsubst_copy): Handle location wrappers.
3008         (tsubst_copy_and_build): Likewise.
3009         (build_non_dependent_expr): Likewise.
3010         (selftest::test_build_non_dependent_expr): New function.
3011         (selftest::cp_pt_c_tests): New function.
3012         * tree.c: Include "selftest.h".
3013         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3014         (selftest::test_lvalue_kind): New function.
3015         (selftest::cp_tree_c_tests): New function.
3016         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3017         (cp_build_binary_op): Replace comparison with null_node with call
3018         to null_node_p.
3019         (build_address): Use location of operand when building address
3020         expression.
3022 2018-01-10  Marek Polacek  <polacek@redhat.com>
3024         PR c++/82541
3025         * call.c (build_conditional_expr_1): Check complain before warning.
3026         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3027         -Wduplicated-branches.
3029 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
3031         PR c++/81327
3032         * call.c (maybe_warn_class_memaccess): Add forward declaration.
3033         Change last argument from tree * to const vec<tree, va_gc> *, adjust
3034         args uses and check number of operands too.  Don't strip away any
3035         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
3036         Deal with src argument not having pointer type.  Check
3037         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
3038         test.
3039         (build_over_call): Call maybe_warn_class_memaccess here on the
3040         original arguments.
3041         (build_cxx_call): Rather than here on converted arguments.
3043 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
3045         PR c++/81055
3046         * init.c (build_vec_init): Avoid building an INIT_EXPR with
3047         error_mark_node as second argument.
3049 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
3051         PR c++/83734
3052         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3053         in STATEMENT_LIST.  Remove unneeded assert.
3055 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
3056             Alan Hayward  <alan.hayward@arm.com>
3057             David Sherwood  <david.sherwood@arm.com>
3059         * constexpr.c (cxx_eval_array_reference): Handle polynomial
3060         VECTOR_CST_NELTS.
3061         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3062         * call.c (build_conditional_expr_1): Likewise.
3063         * decl.c (cp_finish_decomp): Likewise.
3064         * mangle.c (write_type): Likewise.
3065         * typeck.c (structural_comptypes): Likewise.
3066         (cp_build_binary_op): Likewise.
3067         * typeck2.c (process_init_constructor_array): Likewise.
3069 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3071         PR c++/83555
3072         * typeck.c (build_static_cast_1): For static casts to reference types,
3073         call build_base_path with flag_delete_null_pointer_checks as nonnull
3074         instead of always false.  When -fsanitize=null, call
3075         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3076         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3077         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3079 2018-01-03  Nathan Sidwell  <nathan@acm.org>
3081         PR c++/83667
3082         * method.c (make_alias_for): Copy DECL_CONTEXT.
3084 2018-01-03  Marek Polacek  <polacek@redhat.com>
3086         PR c++/83592
3087         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3089 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3091         PR preprocessor/83602
3092         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3093         for builtin macros.
3095         PR c++/83634
3096         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3097         error_mark_node, return error_mark_node.
3099         Update copyright years.
3101 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
3103         PR c++/83556
3104         * tree.c (replace_placeholders_r): Pass NULL as last argument to
3105         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
3106         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3107         to false and return.
3108         (replace_placeholders): Pass NULL instead of &pset as last argument
3109         to cp_walk_tree.
3111 2018-01-02  Nathan Sidwell  <nathan@acm.org>
3113         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3114         lval var.
3116 Copyright (C) 2018 Free Software Foundation, Inc.
3118 Copying and distribution of this file, with or without modification,
3119 are permitted in any medium without royalty provided the copyright
3120 notice and this notice are preserved.