* doc/invoke.texi: Document -std=c++17 and -std=gnu++17 and document
[official-gcc.git] / gcc / cp / ChangeLog
blob0a3b80f451805d1a035610dbc0ee0ebb6dc6ec68
1 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
3         * decl.c (redeclaration_error_message): Use cxx17 instead of cxx1z,
4         adjust diagnostics refering to C++1z or -std=gnu++1z or -std=c++1z
5         to C++17 or -std=gnu++17 or -std=c++17.  Adjust comments.
6         (cxx_init_decl_processing, next_initializable_field,
7         is_direct_enum_init, check_initializer, cp_finish_decl,
8         mark_inline_variable, grokdeclarator, grokparms, xref_basetypes,
9         finish_function): Likewise.
10         * cp-tree.h (DECL_INLINE_VAR_P): Likewise.
11         * pt.c (mark_template_parm, convert_nontype_argument,
12         instantiate_class_template_1, type_unification_real, unify,
13         get_partial_spec_bindings, dependent_type_p_r): Likewise.
14         * typeck.c (cp_build_unary_op): Likewise.
15         * constexpr.c (var_in_maybe_constexpr_fn): Likewise.
16         * call.c (build_user_type_conversion_1, build_over_call,
17         build_special_member_call): Likewise.
18         * lambda.c (begin_lambda_type): Likewise.
19         * typeck2.c (process_init_constructor_record): Likewise.
20         * class.c (build_base_field, finalize_literal_type_property,
21         explain_non_literal_class): Likewise.
22         * parser.c (cp_parser_diagnose_invalid_type_name,
23         cp_parser_primary_expression, cp_parser_lambda_introducer,
24         cp_parser_lambda_declarator_opt, cp_parser_selection_statement,
25         cp_convert_range_for, cp_parser_perform_range_for_lookup,
26         cp_parser_decomposition_declaration, cp_parser_linkage_specification,
27         cp_parser_static_assert, cp_parser_simple_type_specifier,
28         cp_parser_namespace_definition, cp_parser_using_declaration,
29         cp_parser_init_declarator, cp_parser_type_parameter_key,
30         cp_parser_exception_specification_opt, cp_parser_std_attribute_spec,
31         cp_parser_constructor_declarator_p): Likewise.
32         * mangle.c (struct globals): Rename need_cxx1z_warning to
33         need_cxx17_warning.
34         (write_exception_spec, start_mangling, mangle_decl): Likewise.
35         * Make-lang.in (check-c++1z): Rename to check-c++17, depend on
36         it.
37         (check-c++17): New goal.  Use 17 instead of 1z.
38         (check-c++-all): Use 17 instead of 1z.
40 2017-09-14  Jakub Jelinek  <jakub@redhat.com>
42         PR c++/81314
43         * cp-gimplify.c (omp_var_to_track): Look through references.
44         (omp_cxx_notice_variable): Likewise.
46 2017-09-13  Nathan Sidwell  <nathan@acm.org>
48         Conv-op identifers not in identifier hash table
49         * lex.c (conv_type_hasher): Make member fns inline.
50         (make_conv_op_name): Directly clone conv_op_identifier.
52         Rename CLASSTYPE_METHOD_VEC to CLASSTYPE_MEMBER_VEC.
53         * cp-tree.h (struct lang_type): Rename methods to members.
54         (CLASSTYPE_METHOD_VEC): Rename to ...
55         (CLASSTYPE_MEMBER_VEC): ... this.
56         * name-lookup.h (get_method_slot): Rename to ...
57         (get_member_slot): ... this.
58         (resort_type_method_vec): Rename to ...
59         (resort_type_member_vec): ... this.
60         * class.c (add_method, warn_hidden): Adjust.
61         * search.c (dfs_locate_field_accessor_pre): Adjust.
62         * name-lookup.c (method_vec_binary_search): Rename to ...
63         (member_vec_binary_search): ... this and adjust.
64         (method_vec_linear_search): Rename to ...
65         (member_vec_linear_search): ... this and adjust.
66         (fields_linear_search, get_class_binding_direct): Adjust.
67         (get_method_slot): Rename to ...
68         (get_member_slot): ... this and adjust.
69         (method_name_slot): Rename to ...
70         (member_name_slot): ... this and adjust.
71         (resort_type_method_vec): Rename to ...
72         (resort_type_member_vec): ... this and adjust.
73         (method_vec_append_class_fields): Rename to ...
74         (member_vec_append_class_fields): ... this and adjust.
75         (method_vec_append_enum_values): Rename to ...
76         (member_vec_append_enum_values): ... this and adjust.
77         (method_vec_dedup): Rename to ...
78         (member_vec_dedup): ... this and adjust.
79         (set_class_bindings, insert_late_enum_def_bindings): Adjust.
80         
81 2017-09-12  Paolo Carlini  <paolo.carlini@oracle.com>
83         PR c++/70621
84         * decl.c (start_decl): Early return error_mark_node if duplicate_decls
85         returns it; avoid misleading error message.
87 2017-09-12  Nathan Sidwell  <nathan@acm.org>
89         Kill CLASSTYPE_SORTED_FIELDS.
90         * cp-tree.h (struct lang_type): Lose sorted_fields member.
91         (CLASSTYPE_SORTED_FIELDS): Delete.
92         * name-lookup.h (set_class_bindings): Add EXTRA arg.
93         * name-lookup.c (fields_linear_search): New, broken out of ...
94         (lookup_field_1): ... here.  Delete remainder of function.
95         (get_class_binding_direct): Reimplement without sorted_fields.
96         (get_class_binding): Rename TYPE arg to KLASS, for consistency.
97         (get_method_slot): Call set_class_binding when creating method_vec
98         on complete type.
99         (method_name_cmp): Order identically named slots.
100         (sorted_fields_type_new): Delete.
101         (field_vc_append_class_fields): Rename to ...
102         (method_vec_append_class_fields): ... here.  Adjust.
103         (field_vec_append_enum_values): Renme to ...
104         (method_vec_append_enum_values): ... here. Adjust.
105         (method_vec_dedup): New.
106         (set_class_bindings): Reimplement.
107         (insert_late_enum_def_bindings): Reimplement.
109         * name-lookup.c (get_class_binding): Rename TYPE arg to KLASS for
110         consistency.
111         (restort_data): Move later.
112         (method_name_cmp, resort_method_name_cmp): Simplify.
113         (resort_type_method_vec): Reformat.
115 2017-09-09  Jason Merrill  <jason@redhat.com>
117         * constexpr.c (reduced_constant_expression_p): If
118         CONSTRUCTOR_NO_IMPLICIT_ZERO, check that all fields are initialized.
120 2017-09-09  Eric Botcazou  <ebotcazou@adacore.com>
122         PR bootstrap/81926
123         * cp-objcp-common.c (struct debug_type_hasher): New class.
124         (debug_type_hash): New variable.
125         (cp_get_debug_type): Associate the OFFSET_TYPEs with the types.
127 2017-09-08  Jason Merrill  <jason@redhat.com>
129         PR c++/70029 - ICE with ref-qualifier and -flto
130         * tree.c (cxx_copy_lang_qualifiers): New.
131         * cp-tree.h: Declare it.
132         * cp-objcp-common.h: Define LANG_HOOKS_COPY_LANG_QUALIFIERS.
134 2017-09-06  Jason Merrill  <jason@redhat.com>
136         PR c++/82053 - ICE with default argument in lambda in template
137         * pt.c (tsubst_arg_types): Substitute default arguments for lambdas
138         in templates.
139         (retrieve_specialization): Use lambda_fn_in_template_p.
140         * cp-tree.h: Declare it.
142         PR c++/82070 - error with nested lambda capture
143         * pt.c (tsubst_expr) [DECL_EXPR]: Register capture proxies with
144         register_local_specialization.
146 2017-09-06  Nathan Sidwell  <nathan@acm.org>
148         * name-lookup.h (lookup_field_1): Delete.
149         (get_class_binding_direct, get_class_binding): Add type_or_fns arg.
150         * name-lookup.c (lookup_field_1): make static
151         (method_vec_binary_search, method_vec_linear_search): New.  Broken
152         out of ...
153         (get_class_binding_direct): ... here.  Add TYPE_OR_FNS argument.
154         Do complete search of this level.
155         (get_class_binding): Adjust.
156         * decl.c (reshape_init_class): Call get_class_binding.
157         * search.c (lookup_field_r): Move field searching into
158         get_class_binding_direct.
160         * class.c (warn_hidden): Don't barf on non-functions.
161         * decl2.c (check_classfn): Likewise.  Check template match earlier.
163         * name-lookup.c (count_fields): Rename to ...
164         (count_class_fields): ... here.  Take a class, don't count
165         NULL-named fields.
166         (add_fields_to_record_type): Rename to ...
167         (field_vec_append_class_fields): ... here.  Take a class, don't
168         add NULL-named fields.
169         (add_enum_fields_to_record_type): Rename to ...
170         (field_vec_append_enum_values): ... here.
171         (set_class_bindings): Adjust, assert we added expected number.
172         (insert_late_enum_def_bindings): Reimplement.  Create vector if
173         there are now sufficient entries.
175         * name-lookup.h (lookup_fnfields_slot_nolazy,
176         lookup_fnfields_slot): Rename to ...
177         (get_class_binding_direct, get_class_binding): ... here.
178         * name-lookup.c (lookup_fnfields_slot_nolazy,
179         lookup_fnfields_slot): Rename to ...
180         (get_class_binding_direct, get_class_binding): ... here.
181         * cp-tree.h (CLASSTYPE_CONSTRUCTORS, CLASSTYPE_DESTRUCTOR): Adjust.
182         * call.c (build_user_type_conversion_1): Adjust.
183         (has_trivial_copy_assign_p): Adjust.
184         (has_trivial_copy_p): Adjust.
185         * class.c (get_basefndecls) Adjust.
186         (vbase_has_user_provided_move_assign) Adjust.
187         (classtype_has_move_assign_or_move_ctor_p): Adjust.
188         (type_build_ctor_call, type_build_dtor_call): Adjust.
189         * decl.c (register_dtor_fn): Adjust.
190         * decl2.c (check_classfn): Adjust.
191         * pt.c (retrieve_specialization): Adjust.
192         (check_explicit_specialization): Adjust.
193         (do_class_deduction): Adjust.
194         * search.c (lookup_field_r): Adjust.
195         (look_for_overrides_here, lookup_conversions_r): Adjust.
196         * semantics.c (classtype_has_nothrow_assign_or_copy_p): Adjust.
197         * tree.c (type_has_nontrivial_copy_init): Adjust.
198         * method.c (lazily_declare_fn): Adjust comment.
200 2017-09-05  Nathan Sidwell  <nathan@acm.org>
202         * name-lookup.c (do_class_using_decl): Elide read-once temps.
203         Move declarations to initializations.
205         * class.c (add_method): Move slot search and insertion to ...
206         * name-lookup.c (get_method_slot): ... this new function.
207         (lookup_fnfields_slot_nolazy): Cope with NULL slot.
208         * name-lookup.h (get_method_slot): Declare.
209         * decl.c (cxx_init_decl_processinng): Give conv_op_marker a more
210         realistic type.
211         (grok_special_member_properties): Set
212         TYPE_HAS_CONVERSION. Expicitly look at DECL_NAME for specialness.
213         Improve TYPE_HAS_CONSTEXPR_CTOR setting.        
215         * cp-tree.h (lang_decl_base): Rename template_conv_p to
216         unknown_bound_p.
217         (DECL_CONV_FN_P): Don't check NULL DECL_NAME.
218         (DECL_CONV_FN_TYPE): FN must be conv op.
219         (DECL_TEMPLATE_CONV_FN_P): Delete.
220         (VAR_HAD_UNKNOWN_BOUND, SET_VAR_HAD_UNKNOWN_BOUND): Adjust.
221         * pt.c (push_template_decl_real): Delete DECL_TEMPLATE_CONV_FN_P
222         setting.
224         * class.c (unreverse_member_declarations): Remove extraneous if.
225         * pt.c (push_template_decl_real): Use string concatenation, not
226         \<newline>.  Add %<..%>.
228 2017-09-05  Paolo Carlini  <paolo.carlini@oracle.com>
230         PR c++/81942
231         * cp-tree.h (LABEL_DECL_CDTOR): Add and document.
232         * decl.c (start_preparsed_function): Set LABEL_DECL_CDTOR when
233         creating cdtor_label.
234         * constexpr.c (returns): Add the case of a constructor/destructor
235         returning via a LABEL_DECL_CDTOR label.
236         (cxx_eval_constant_expression, case [GOTO_EXPR]): Likewise.
238 2017-09-01  Nathan Sidwell  <nathan@acm.org>
240         * cp-tree.h (resort_type_method_vec): Move declaration to ...
241         * name-lookup.h (resort_type_method_vec): ... here.
242         (set_class_bindings): Lose 2nd arg.
243         * class.c (finish_struct_1, finish_struct): Adjust
244         set_class_bindings call.  Don't call finish_struct_methods.
245         (resort_data, method_name_cmp, resort_method_name_cmp,
246         resort_type_method_vec, finish_struct_methods): Move to ...
247         * name-lookup.c (resort_data, method_name_cmp,
248         resort_method_name_cmp, resort_type_method_vec): ... here.
249         (set_class_bindings): Lose fields arg.  Swallow finish_struct_methods.
251         * class.c (finish_struct): Call set_class_bindings for the
252         template case too.
254         * class.c (finish_struct_methods): Dont clear DECL_IN_AGGR_P here.
255         Don't call maybe_warn_about_overly_private_class here.
256         (warn_hidden): Cleanup declarations and comments.
257         (type_has_user_provided_constructor): No need to check
258         CLASSTYPE_METHOD_VEC.
259         (type_has_user_provided_or_explicit_constructor): Likewise.
260         (classtype_has_move_assign_or_move_ctor_p): Likewise.
261         (check_bases_and_members): Don't call finish_struct_methods here.
262         (finish_struct_1): Call finish_struct_methods and
263         set_class_bindings immediately after layout.  Clear DECL_IN_AGGR_P
264         here.
265         (finish_struct): For templates process USING_DECLS and clear
266         DECL_IN_AGGR_P before calling finish_struct_methods. Call
267         maybe_warn_about_overly_private_class here.
269         Revert 2017-08-28  Nathan Sidwell  <nathan@acm.org>
270         Restore sorted_fields vector.
271         * cp-tree.h (lang_type): Restore sorted_fields vector.
272         (CLASSTYPE_SORTED_FIELDS): Restore.
273         (CLASSTYPE_BINDINGS): Delete.
274         * name-lookup.c (lookup_field_1): Restore binary search.
275         (sorted_fields_type_new, count_fields,
276         add_fields_to_record_type, add_enum_fields_to_record_type): Restore
277         (set_class_bindings): Revert.
278         (insert_late_enum_def_binding): Restore field_vec insertion.
280 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
282         PR c/81887
283         * parser.c (cp_parser_omp_ordered): Handle -fopenmp-simd.
285 2017-09-01  Marek Polacek  <polacek@redhat.com>
287         PR c++/82040
288         * typeck.c (cp_build_unary_op): Avoid re-entering reporting routines.
290 2017-08-30  Jason Merrill  <jason@redhat.com>
292         PR c++/82029 - __PRETTY_FUNCTION__ in lambda in template
293         * pt.c (enclosing_instantiation_of, lambda_fn_in_template_p)
294         (regenerated_lambda_fn_p): New.
295         (tsubst_decl) [VAR_DECL]: Use enclosing_instantiation_of.
296         (tsubst_copy) [VAR_DECL]: Likewise.
298         PR c++/82030 - ICE inheriting from multiple lambdas
299         PR c++/80767
300         * call.c (compare_ics): Handle null candidate.
302 2017-08-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
304         Make taking the address of an overloaded function a non-deduced context
306         * pt.c (unify_overload_resolution_failure): Remove.
307         (unify_one_argument): Adjust.
309 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
310             Alan Hayward  <alan.hayward@arm.com>
311             David Sherwood  <david.sherwood@arm.com>
313         * typeck.c (cp_build_binary_op): Use SCALAR_TYPE_MODE.
315 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
316             Alan Hayward  <alan.hayward@arm.com>
317             David Sherwood  <david.sherwood@arm.com>
319         * cvt.c (cp_convert_to_pointer): Use SCALAR_INT_TYPE_MODE.
321 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
322             Alan Hayward  <alan.hayward@arm.com>
323             David Sherwood  <david.sherwood@arm.com>
325         * mangle.c (write_real_cst): Use SCALAR_FLOAT_TYPE_MODE
326         instead of TYPE_MODE.
328 2017-08-29  Jason Merrill  <jason@redhat.com>
330         PR c++/81236 - ICE with template-id in generic lambda
331         * semantics.c (finish_id_expression): Remove special dependent case.
332         Avoid some later pieces when dependent.
333         (finish_qualified_id_expr): Do normal BASELINK handling in a
334         template.  Always build a SCOPE_REF for a destructor BIT_NOT_EXPR.
335         (parsing_default_capturing_generic_lambda_in_template): Remove.
336         * parser.c (cp_parser_postfix_dot_deref_expression): Always give an
337         error for types that will never be complete.
338         * mangle.c (write_expression): Add sanity check.
339         * tree.c (build_qualified_name): Add sanity check.
340         (cp_walk_subtrees): Walk into the class context of a BASELINK.
341         * lambda.c (add_capture): Improve diagnostic for generic lambda
342         capture failure.
343         * call.c (build_new_method_call_1): Print the right constructor
344         name.
346         Reimplement handling of lambdas in templates.
347         * cp-tree.h (LAMBDA_FUNCTION_P): Check DECL_DECLARES_FUNCTION_P.
348         * decl.c (start_preparsed_function): Call start_lambda_scope.
349         (finish_function): Call finish_lambda_scope.
350         * init.c (get_nsdmi): Call start/finish_lambda_scope.
351         * lambda.c (start_lambda_scope): Only ignore VAR_DECL in a function.
352         * parser.c (cp_parser_function_definition_after_declarator): Don't
353         call start/finish_lambda_scope.
354         * pt.c (retrieve_specialization): Ignore lambda functions in
355         templates.
356         (find_parameter_packs_r): Ignore capture proxies.  Look into
357         lambdas.
358         (check_for_bare_parameter_packs): Allow bare packs in lambdas.
359         (tsubst_default_argument): Call start/finish_lambda_scope.
360         (tsubst_function_decl): Handle lambda functions differently.
361         (tsubst_template_decl): Likewise.
362         (tsubst_expr) [DECL_EXPR]: Skip closure declarations and capture
363         proxies.
364         (tsubst_lambda_expr): Create a new closure rather than instantiate
365         the one from the template.
366         (tsubst_copy_and_build): Don't register a specialization of a pack.
367         (regenerate_decl_from_template): Call start/finish_lambda_scope.
368         (instantiate_decl): Remove special lambda function handling.
369         * semantics.c (process_outer_var_ref): Remove special generic lambda
370         handling.  Don't implicitly capture in a lambda in a template.  Look
371         for an existing proxy.
372         * class.c (current_nonlambda_class_type): Use decl_type_context.
374         * cp-tree.h (LAMBDA_EXPR_CLOSURE): Use TREE_TYPE.
375         (LAMBDA_EXPR_RETURN_TYPE): Remove.
376         (struct tree_lambda_expr): Remove closure and return_type fields.
377         * lambda.c (build_lambda_expr): Don't set LAMBDA_EXPR_RETURN_TYPE.
378         * pt.c (tsubst_copy_and_build): Likewise.
379         * parser.c (cp_parser_lambda_declarator_opt): Track return type.
380         (cp_parser_lambda_body): Adjust unspecified return type check.
381         * ptree.c (cxx_print_lambda_node): Don't print closure or
382         return type.
384         PR c++/80935 - wrong C++17 error with lambda
385         * decl.c (check_for_uninitialized_const_var): Check
386         is_instantiation_of_constexpr.
387         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
388         is_instantiation_of_constexpr.
389         (potential_constant_expression_1): Check var_in_maybe_constexpr_fn.
391         * lambda.c (build_lambda_object): Check for error_mark_node.
392         * pt.c (make_pack_expansion): Set PACK_EXPANSION_LOCAL_P on the type
393         pack as well.
394         (tsubst_decl) [FUNCTION_DECL]: Set DECL_CONTEXT on the parameters.
395         (tsubst) [TEMPLATE_PARM_INDEX]: Check for error_mark_node.
397         PR c++/80767 - unnecessary instantiation of generic lambda
398         * call.c (convert_like_real): Call build_user_type_conversion_1 if
399         cand is null.
400         (add_conv_candidate): Build a ck_user conversion with no candidate.
402         Fix lambdas in template default argument of inherited ctor.
403         * method.c (synthesized_method_base_walk): Replace an inherited
404         template with its specialization.
405         (synthesized_method_walk): Make inheriting_ctor a pointer.
406         (maybe_explain_implicit_delete, explain_implicit_non_constexpr)
407         (deduce_inheriting_ctor, implicitly_declare_fn): Adjust.
409         * pt.c (build_deduction_guide): Set DECL_ABSTRACT_ORIGIN on the
410         template, not the function.
411         (template_guide_p): Adjust.
413         Support copying local_specializations.
414         * cp-tree.h (enum lss_policy): New.
415         (local_specialization_stack): Add policy parameter to default ctor.
416         * pt.c (local_specialization_stack): Copy local_specializations if
417         lss_copy.
419         * constexpr.c (potential_constant_expression_1): Add "now" parm.
420         (is_constant_expression, require_constant_expression): New.
421         (is_static_init_expression, is_nondependent_constant_expression)
422         (is_nondependent_static_init_expression): Drop "potential".
423         * except.c (build_must_not_throw_expr): Do type conversion on
424         value-dependent argument.
425         * pt.c, semantics.c, typeck2.c: Use variants without "potential".
427         Instantiate default arguments/member initializers once.
428         * init.c (get_nsdmi): Remember NSDMI instantiations.
429         * parser.c (inject_this_parameter): Be more picky about
430         current_class_ptr.
431         * pt.c (tsubst_copy): Simplify 'this' handling.
432         (tsubst_default_argument): Remember default argument
433         instantiations.  Take parameter number.
434         (tsubst_default_arguments): Pass it.
435         * call.c (convert_default_arg): Likewise.
437         Fix default argument conversion failure and SFINAE.
438         * call.c (build_over_call): Check convert_default_arg result for
439         error_mark_node.
440         * parser.c (cp_parser_late_parsing_default_args): Remember
441         error_mark_node.
443 2017-08-28  Nathan Sidwell  <nathan@acm.org>
445         * cp-tree.h (lang_type): Replace sorted_fields vector with
446         bindings map.
447         (CLASSTYPE_SORTED_FIELDS): Delete.
448         (CLASSTYPE_BINDINGS): New.
449         * decl.c (finish_enum_value_list): Swap args of
450         insert_late_enum_def_bindings.
451         * name-lookup.c (lookup_field_1): Replace binary search of sorted
452         fields with map->get.
453         (sorted_fields_type_new, count_fields,
454         add_fields_to_record_type, add_enum_fields_to_record_type): Delete.
455         (add_class_member, add_class_members): New.
456         (set_class_bindings): Create map and insert.
457         (insert_late_enum_def_binding): Swap parms.  Use add_clasS_member.
458         * ptree.c (cxx_print_type): Delete sorted fields printing.
460         * cp-tree.h (insert_late_enum_def_into_classtype_sorted_fields):
461         Delete.
462         * name-lookup.h (set_class_bindings,
463         insert_late_enum_def_bindings): Declare.
464         * decl.c (finish_enum_value_list): Adjust for
465         insert_late_enum_def_bindings name change.
466         * class.c (finish_struct_1): Call set_class_bindings.
467         (count_fields, add_fields_to_record_type,
468         add_enum_fields_to_record_type, sorted_fields_type_new,
469         insert_into_classtype_sorted_fields,
470         insert_late_enum_def_into_classtype_sorted_fields): Move to ...
471         * name-lookup.h (count_fields, add_fields_to_record_type,
472         add_enum_fields_to_record_type, sorted_fields_type_new,
473         set_class_bindings, insert_late_enum_def_bindings): ... here.
475 2017-08-25  Nathan Sidwell  <nathan@acm.org>
477         * class.c (method_name_cmp, resort_method_name_cmp): Methods
478         can never be NULL.
480         Conversion operators have a special name
481         * cp-tree.h (CPTI_CONV_OP_MARKER, CPTI_CONV_OP_IDENTIFIER): New.
482         (conv_op_marker, conv_op_identifier): New.
483         (CLASSTYPE_FIRST_CONVERSION_SLOT): Delete.
484         * decl.c (initialize_predefined_identifiers): Add
485         conv_op_identifier.
486         (cxx_init_decl_processing): Create conv_op_marker.
487         * decl2.c (check_classfn): Lookup conv-ops by name.
488         * class.c (add_method): Use conv_op_identifier & conv_op_marker.
489         (resort_type_method_vec): Don't skip conv-ops.
490         (finish_struct_methods, warn_hidden): Likewise.
491         * name-lookup.h (lookup_all_conversions): Delete.
492         * name-lookup.c (lookup_conversion_operator): Replace with ...
493         (extract_conversion_operator): ... this.
494         (lookup_fnfields_slot_nolazy): Find conv-ops by name.
495         (lookup_all_conversions): Delete.
496         * pt.c (check_explicit_specialization): Find conv-ops by name.
497         * search.c (lookup_conversions_r): Likewise.
499 2017-08-24  Nathan Sidwell  <nathan@acm.org>
501         Conversion operators kept on single overload set
502         * class.c (add_method): Keep all conv-ops on one slot.
503         * name-lookup.c (lookup_conversion_operator): Pull the desired
504         conv op out of overload set.
505         * search.c (lookup_conversions_r): Lose template/non-template
506         distinction.
507         (lookup_conversions): Likewise.
509 2017-08-23  Nathan Sidwell  <nathan@acm.org>
511         * cp-tree.h (lookup_field_1, lookup_fnfields_slot,
512         lookup_fnfields_slot_nolazy, lookup_all_conversions): Move
513         declatations to ...
514         * name-lookup.h (lookup_field_1, lookup_fnfields_slot,
515         lookup_fnfields_slot_nolazy, lookup_all_conversions): ... here.
516         * search.c (lookup_conversion_operator,
517         lookup_fnfields_slot_nolazy, lookup_field_1, lookup_fnfields_slot,
518         lookup_all_conversions): Move to ...
519         * name-lookup.c (lookup_conversion_operator,
520         lookup_fnfields_slot_nolazy, lookup_field_1, lookup_fnfields_slot,
521         lookup_all_conversions): ... here.
523         * semantics.c (finish_member_declaration): Move USING_DECL check
524         earlier.  Always set C++ linkage.  Commonize TYPE_FIELD and
525         template decl list insertion.
527         * cp-tree.h (maybe_version_functions): Declare.
528         * decl.c (decls_match): Break function versioning check to
529         separate function.  Call it.
530         (maybe_version_functions): Broken out of decls_match.
531         * class.c (add_method): Use maybe_version_functions.
533         * cp-tree.h (print_search_statistics,
534         reinit_search_statistics): Don't declare.
535         * search.c (n_fields_searched, n_calls_lookup_field,
536         n_calls_lookup_field_1, n_calls_lookup_fnfields,
537         n_calls_lookup_fnfields_1, n_calls_get_base_type,
538         n_outer_fields_searched, n_contexts_saved): Delete.
539         (lookup_field_1, lookup_member,
540         lookup_fnfields_slot_nolazy): Remove stat gathering.
541         (print_search_statistics, reinit_search_statistics): Delete.
542         * tree.c (cxx_print_statistics): Don't print search stats.
544 2017-08-21  Nathan Sidwell  <nathan@acm.org>
546         * search.c (lookup_field_r): Remove obsolete code for type-named
547         field in PoD.
549         * search.c (lookup_field_1): Assert TYPE is a class and VFIELD
550         isn't special.
551         (lookup_field_fuzzy_info::fuzzy_lookup_fnfields): Delete.
552         (lookup_field_fuzzy_r): Adjust.
554 2017-08-21  David Malcolm  <dmalcolm@redhat.com>
556         * call.c (build_over_call): Pass NULL for new parameter to
557         check_function_arguments.
558         * typeck.c (cp_build_function_call_vec): Likewise.
560 2017-08-21  Nathan Sidwell  <nathan@acm.org>
562         PR c++/81899
563         * pt.c (instantiate_class_template_1):
564         BOUND_TEMPLATE_TEMPLATE_PARM is never friend-injected.
566 2017-08-18  David Malcolm  <dmalcolm@redhat.com>
568         PR c++/81514
569         * name-lookup.c (maybe_suggest_missing_header): Convert return
570         type from void to bool; return true iff a suggestion was offered.
571         (suggest_alternative_in_explicit_scope): Move call to
572         maybe_suggest_missing_header to before use of best_match, and
573         return true if the former offers a suggestion.
575 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
577         PR c/53037
578         * decl.c (duplicate_decls): Also merge DECL_WARN_IF_NOT_ALIGN.
579         * decl2.c (grokbitfield): Don't allow bit-field with
580         warn_if_not_aligned type.
582 2017-08-17  Nathan Sidwell  <nathan@acm.org>
584         * cp-tree.def (TEMPLATE_TEMPLATE_PARM): Remove stale comment.
585         * cp-tree.h (ENUM_TEMPLATE_INFO): Delete.
586         (TYPE_TEMPLATE_INFO): Simplify.
587         (SET_TYPE_TEMPLATE_INFO): Simplify.
589         * lex.c (maybe_add_lang_type_raw): BOUND_TEMPLATE_TEMPLATE_PARMs
590         don't need lang_type.
591         (cxx_make_type): Use maybe_add_lang_type_raw return value.
592         * mangle.c (CLASSTYPE_TEMPLATE_ID_P): Don't rely on
593         TYPE_LANG_SPECIFIC.
595         * cp-tree.h (struct lang_type): Remove template_info field.
596         (CLASSTYPE_TEMPLATE_INFO): Use TYPE_LANG_SLOT_1.
597         (TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO): Likewise.
599 2017-08-14  Martin Sebor  <msebor@redhat.com>
601         PR c/81117
602         * error.c (cp_printer): Handle 'G'.
604 2017-08-11  Martin Liska  <mliska@suse.cz>
606         * decl2.c (get_tls_init_fn): Replace ASM_OUTPUT_DEF with
607         TARGET_SUPPORTS_ALIASES.
608         (handle_tls_init): Likewise.
609         (note_mangling_alias): Likewise.  Remove ATTRIBUTE_UNUSED for
610         both arguments.
611         * optimize.c (can_alias_cdtor): Likewise.
613 2017-08-11  Jason Merrill  <jason@redhat.com>
615         PR c++/81671 - nullptr_t template parameter
616         * pt.c (convert_nontype_argument): Fix nullptr_t check.
618 2017-08-10  Jason Merrill  <jason@redhat.com>
620         PR c++/81359 - Unparsed NSDMI error from SFINAE context.
621         * method.c (synthesized_method_walk): Don't diagnose lack of
622         operator delete.
624         PR c++/80452 - Core 1579, implicit move semantics on return/throw
625         * cp-tree.h (LOOKUP_PREFER_RVALUE): Now means that we've already
626         tentatively changed the lvalue to an rvalue.
627         * call.c (reference_binding): Remove LOOKUP_PREFER_RVALUE handling.
628         (build_over_call): If LOOKUP_PREFER_RVALUE, check that the first
629         parameter is an rvalue reference.
630         * except.c (build_throw): Do maybe-rvalue overload resolution twice.
631         * typeck.c (check_return_expr): Likewise.
633 2017-08-10  David Malcolm  <dmalcolm@redhat.com>
635         * parser.c (cp_parser_error): Update for new param to
636         c_parse_error.
637         (class token_pair): New class.
638         (struct matching_paren_traits): New struct.
639         (matching_parens): New typedef.
640         (struct matching_brace_traits): New struct.
641         (matching_braces): New typedef.
642         (cp_parser_statement_expr): Convert explicit parsing of
643         CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use of
644         class matching_parens, so that the pertinent open parenthesis is
645         highlighted when there are problems locating the close
646         parenthesis.
647         (cp_parser_primary_expression): Likewise.
648         (cp_parser_compound_literal_p): Remove consumption of opening
649         paren.
650         (cp_parser_postfix_expression): Convert explicit parsing of
651         CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use matching parens, as
652         above.  Use it to consume the opening paren previously consumed by
653         cp_parser_compound_literal_p.
654         (cp_parser_parenthesized_expression_list): Likewise.
655         (cp_parser_unary_expression): Likewise.
656         (cp_parser_new_expression): Likewise.
657         (cp_parser_cast_expression): Likewise.
658         (cp_parser_builtin_offsetof): Likewise.
659         (cp_parser_trait_expr): Likewise.
660         (cp_parser_lambda_declarator_opt): Likewise.
661         (cp_parser_lambda_body): Likewise, for matching_braces.
662         (cp_parser_compound_statement): Likewise.
663         (cp_parser_selection_statement): Likewise, for matching_parens.
664         (cp_parser_iteration_statement): Likewise.
665         (cp_parser_already_scoped_statement): Likewise, for
666         matching_braces.
667         (cp_parser_linkage_specification): Likewise.
668         (cp_parser_static_assert): Likewise, for matching_parens.
669         (cp_parser_decltype): Likewise.
670         (cp_parser_operator): Likewise.
671         (cp_parser_enum_specifier): Likewise.
672         (cp_parser_namespace_definition): Likewise.
673         (cp_parser_direct_declarator): Likewise.
674         (cp_parser_braced_list): Likewise.
675         (cp_parser_class_specifier_1): Likewise, for matching_braces.
676         (cp_parser_constant_initializer): Likewise.
677         (cp_parser_noexcept_specification_opt): Likewise, for
678         matching_parens.
679         (cp_parser_exception_specification_opt): Likewise.
680         (cp_parser_handler): Likewise.
681         (cp_parser_asm_specification_opt): Likewise.
682         (cp_parser_asm_operand_list): Likewise.
683         (cp_parser_gnu_attributes_opt): Likewise.
684         (cp_parser_std_attribute_spec): Likewise.
685         (cp_parser_requirement_parameter_list): Likewise.
686         (cp_parser_requirement_body): Likewise, for matching_braces.
687         (cp_parser_compound_requirement): Likewise.
688         (cp_parser_template_introduction): Likewise.
689         (cp_parser_sizeof_pack): Likewise, for matching_parens.
690         (cp_parser_sizeof_operand): Likewise; use it to consume the
691         opening paren previously consumed by cp_parser_compound_literal_p.
692         (get_matching_symbol): New function.
693         (cp_parser_required_error): Add param "matching_location".  Remove
694         calls to cp_parser_error, instead setting a non-NULL gmsgid, and
695         handling it if set by calling c_parse_error, potentially with a
696         secondary location if matching_location was set.
697         (cp_parser_require): Add param "matching_location", with a default
698         value of UNKNOWN_LOCATION.
699         (cp_parser_require_keyword): Update for new param of
700         cp_parser_required_error.
701         (cp_parser_objc_encode_expression): Update to class matching_parens
702         as above.
703         (cp_parser_objc_defs_expression): Likewise.
704         (cp_parser_objc_protocol_expression): Likewise.
705         (cp_parser_objc_selector_expression): Likewise.
706         (cp_parser_objc_typename): Likewise.
707         (cp_parser_objc_superclass_or_category): Likewise.
708         (cp_parser_objc_try_catch_finally_statement): Likewise.
709         (cp_parser_objc_synchronized_statement): Likewise.
710         (cp_parser_objc_at_property_declaration): Likewise.
711         (cp_parser_oacc_single_int_clause): Likewise.
712         (cp_parser_oacc_shape_clause): Likewise.
713         (cp_parser_omp_clause_collapse): Likewise.
714         (cp_parser_omp_clause_default): Likewise.
715         (cp_parser_omp_clause_final): Likewise.
716         (cp_parser_omp_clause_if): Likewise.
717         (cp_parser_omp_clause_num_threads): Likewise.
718         (cp_parser_omp_clause_num_tasks): Likewise.
719         (cp_parser_omp_clause_grainsize): Likewise.
720         (cp_parser_omp_clause_priority): Likewise.
721         (cp_parser_omp_clause_hint): Likewise.
722         (cp_parser_omp_clause_defaultmap): Likewise.
723         (cp_parser_omp_clause_ordered): Likewise.
724         (cp_parser_omp_clause_schedule): Likewise.
725         (cp_parser_omp_clause_num_teams): Likewise.
726         (cp_parser_omp_clause_thread_limit): Likewise.
727         (cp_parser_omp_clause_aligned): Likewise.
728         (cp_parser_omp_clause_linear): Likewise.
729         (cp_parser_omp_clause_safelen): Likewise.
730         (cp_parser_omp_clause_simdlen): Likewise.
731         (cp_parser_omp_clause_depend): Likewise.
732         (cp_parser_omp_clause_device): Likewise.
733         (cp_parser_omp_clause_dist_schedule): Likewise.
734         (cp_parser_oacc_clause_async): Likewise.
735         (cp_parser_omp_critical): Likewise.
736         (cp_parser_omp_for_loop): Likewise.
737         (cp_parser_omp_sections_scope): Likewise.
738         (cp_parser_omp_declare_reduction_exprs): Likewise.
739         Update for new param to cp_parser_required_error.
740         (cp_parser_oacc_routine): Likewise.
741         (cp_parser_transaction_expression): Likewise.
742         (cp_parser_cilk_simd_vectorlength): Likewise.
744 2017-08-09  Jason Merrill  <jason@redhat.com>
746         PR c++/81525 - wrong constant value with generic lambda
747         * pt.c (tsubst_decl) [VAR_DECL]: Avoid clobbering auto.
748         (tsubst_copy) [VAR_DECL]: Handle auto.
750         PR c++/81359 - Unparsed NSDMI error from SFINAE context.
751         * init.c (get_nsdmi): Add complain parm.
752         * typeck2.c (digest_nsdmi_init): Add complain parm.
753         (process_init_constructor_record): Pass complain to get_nsdmi.
754         * pt.c (maybe_instantiate_noexcept): Add complain parm, return bool.
755         * method.c (get_defaulted_eh_spec): Add complain parm.  Pass it into
756         synthesized_method_walk.
757         (synthesized_method_walk): Adjust.
758         (walk_field_subobs): Pass complain to get_nsdmi.
759         (defaulted_late_check): Skip other checks if deleted.
760         * decl2.c (mark_used): Pass complain to maybe_instantiate_noexcept.
761         * call.c (build_aggr_conv): Pass complain to get_nsdmi.
762         * parser.c (defarg_location): New.
763         * error.c (location_of): Use it.
765 2017-08-09  Marek Polacek  <polacek@redhat.com>
767         * parser.c (cp_parser_perform_range_for_lookup): Use false instead of 0.
768         * typeck.c (build_binary_op): Change the type of a parameter to bool.
769         (cp_truthvalue_conversion): Use true instead of 1.
771 2017-08-08  Marek Polacek  <polacek@redhat.com>
773         PR c++/81607
774         * cp-gimplify.c (cp_fold): If folding exposed a branch of
775         a COND_EXPR, convert it to the original type of the COND_EXPR, if
776         they differ.               
778 2017-08-08  Martin Liska  <mliska@suse.cz>
780         * call.c: Include header files.
781         * cp-gimplify.c: Likewise.
782         * cp-ubsan.c: Likewise.
783         * cvt.c: Likewise.
784         * init.c: Likewise.
785         * search.c: Likewise.
786         * semantics.c: Likewise.
787         * typeck.c: Likewise.
789 2017-08-07  Martin Liska  <mliska@suse.cz>
791         * parser.c (cp_parser_gnu_attribute_list): Canonicalize name of an
792         attribute.
793         (cp_parser_std_attribute): Likewise.
794         * tree.c: Add new include.
796 2017-08-04  Paolo Carlini  <paolo.carlini@oracle.com>
798         PR c++/79790
799         * pt.c (do_class_deduction): Handle the case of no viable implicit
800         deduction guides; simplify the code generating implicit deduction
801         guides.
803 2017-08-03  Paolo Carlini  <paolo.carlini@oracle.com>
805         PR c++/71440
806         * typeck.c (build_x_unary_op): Avoid pretty-printing constructor /
807         destructor as expressions.
809 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
811         PR c++/81640
812         * call.c (build_user_type_conversion_1): Only call
813         lookup_fnfields_slot if totype is CLASS_TYPE_P.
815 2017-07-31  Jason Merrill  <jason@redhat.com>
817         * decl.c (declare_global_var): Set DECL_CONTEXT.
819 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
820             Martin Liska  <mliska@suse.cz>
822         * pt.c (tsubst_copy): Copy PREDICT_EXPR.
823         * semantics.c (finish_goto_stmt): Build gimple predict
824         stament.
825         * constexpr.c (potential_constant_expression_1): Handle
826         PREDICT_EXPR.
828 2017-07-31  Martin Liska  <mliska@suse.cz>
830         PR sanitize/81530
831         * cp-gimplify.c (cp_genericize): Guard condition with flag_sanitize_p
832         also with current_function_decl non-null equality.
833         * cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
834         * decl.c (compute_array_index_type): Likewise.
835         * init.c (finish_length_check): Likewise.
836         * typeck.c (cp_build_binary_op): Likewise.
838 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
840         * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
841         DW_AT_export_symbols.
842         * name-lookup.c (emit_debug_info_using_namespace): Add IMPLICIT
843         argument, pass it through to the debug hook.
844         (finish_namespace_using_directive): Adjust
845         emit_debug_info_using_namespace caller.
846         (push_namespace): Likewise.  Call it after setting
847         DECL_NAMESPACE_INLINE_P.
848         (cp_emit_debug_info_for_using): Pass false as new argument to
849         the imported_module_or_decl debug hook.
851 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
853         * lex.c (copy_decl): Adjust.
854         (copy_type): Likewise.
856 2017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>
858         PR c++/71570
859         * lambda.c (add_capture): Early return if we cannot capture by
860         reference.
862 2017-07-26  Jason Merrill  <jason@redhat.com>
864         P0702R1 - List deduction of vector.
865         * pt.c (do_class_deduction): Special-case deduction from a single
866         element of related type.
868 2017-07-26  Leonid Koppel  <lkoppel@uwaterloo.ca>
870         PR c++/67054 - Inherited ctor with non-default-constructible members
871         * method.c (walk_field_subobs) Consider member initializers (NSDMIs)
872         when deducing an inheriting constructor.
874 2017-07-21  Nathan Sidwell  <nathan@acm.org>
876         * search.c (lookup_conversion_operator): Return overloads.
877         (lookup_fnfields_idx_nolazy): Absorb into ...
878         (lookup_fnfields_slot_nolaxy): ... here.
879         (lookup_fnfields_1): Absorb into ...
880         (lookup_fnfields_slot): ... here.
882         Remove special CDtor METHOD_VEC slots.
883         * cp-tree.h (CLASSTYPE_CONSTRUCTOR_SLOT,
884         CLASSTYPE_DESTRUCTOR_SLOT): Delete.
885         (CLASSTYPE_CONSTRUCTORS): Use lookup_fnfields_slot_nolazy.
886         (CLASSTYPE_DESTRUCTOR): Likewise.
887         * class (add_method): Don't use special cdtor slots.
888         * search.c (lookup_fnfields_idx_nolazy): Likewise.
889         (look_for_overrides_here): Use lookup_fnfields_slot.
890         * semantics (classtype_has_nothrow_assign_or_copy_p): Likewise.
892         * call.c (add_candidates): Move decls to initialization.  Don't
893         use !!.
895 2017-07-20  Nathan Sidwell  <nathan@acm.org>
897         Remove TYPE_METHODS.
898         * class.c (maybe_warn_about_overly_private_class,
899         finish_struct_methods, one_inheriting_sig, count_fields,
900         add_fields_to_record_type, check_field_decls, check_methods,
901         clone_function_decl, set_method_tm_attributes,
902         finalize_literal_type_property, check_bases_and_members,
903         create_vtable_ptr, determine_key_method,
904         unreverse_member_declarations, finish_struct,
905         add_vcall_offset_vtbl_entries_1): Member fns are on TYPE_FIELDS.
906         * decl.c (fixup_anonymous_aggr): Likewise.
907         * decl2.c (reset_type_linkage_2): Likewise.
908         * method.c (after_nsdmi_defaulted_late_checks,
909         lazily_declare_fn): Likewise.
910         * optimize.c (maybe_thunk_body, maybe_clone_body): Likewise.
911         * pt.c (instantiate_class_template_1, tsubst_expr,
912         do_type_instantiation, instantiate_pending_templates): Likewise.
913         * search.c (lookup_field_1): Likewise.
914         * semantics.c (finish_member_declaration,
915         finish_omp_declare_simd_methods): Likewise.
917 2017-07-19  Nathan Sidwell  <nathan@acm.org>
919         * class.c (add_implicitly_declared_members): Use
920         classtype_has_move_assign_or_move_ctor_p.
921         (classtype_has_move_assign_or_move_ctor,
922         classtype_has_user_move_assign_or_move_ctor_p): Merge into ...
923         (classtype_has_move_assign_or_move_ctor_p): ... this new function.
924         * cp-tree.h (classtype_has_user_move_assign_or_move_ctor_p):
925         Replace with ...
926         (classtype_has_move_assign_or_move_ctor_p): ... this.
927         * method.c (maybe_explain_implicit_delete, lazily_declare_fn): Adjust.
928         * tree.c (type_has_nontrivial_copy_init): Adjust.
930         * cp-tree.h (PACK_EXPANSION_PARAMETER_PACKS,
931         PACK_EXPANSION_EXTRA_ARGS): Use TYPE_{MIN,MAX}_VALUE_RAW.
933 2017-07-18  Nathan Sidwell  <nathan@acm.org>
935         * cp-array-notation.c (build_array_notation_ref): Use
936         TYPE_{MIN,MAX}_VALUE.
938         * class.c (classtype_has_move_assign_or_move_ctor): Declare.
939         (add_implicitly_declared_members): Use it.
940         (type_has_move_constructor, type_has_move_assign): Merge into ...
941         (classtype_has_move_assign_or_move_ctor): ... this new function.
942         * cp-tree.h (type_has_move_constructor, type_has_move_assign): Delete.
944 2017-07-17  Volker Reichelt  <v.reichelt@netcologne.de>
946         * parser.c (cp_parser_decl_specifier_seq): Add fix-it hints for
947         friend outside class and obsolete auto as storage-class-specifier.
949 2017-07-17  Nathan Sidwell  <nathan@acm.org>
951         * class.c (maybe_warn_about_overly_private_class): Ignore public
952         copy ctors.
954         * class.c (type_has_user_declared_move_constructor,
955         type_has_user_declared_move_assign): Combine into ...
956         (classtype_has_user_move_assign_or_move_ctor_p): ... this new function.
957         * cp-tree.h (type_has_user_declared_move_constructor,
958         type_has_user_declared_move_assign): Combine into ...
959         (classtype_has_user_move_assign_or_move_ctor_p): ... this. Declare.
960         * method.c (maybe_explain_implicit_delete): Use it.
961         (lazily_declare_fn): Use it.
962         * tree.c (type_has_nontrivial_copy_init): Use it.
964         * semantics.c (classtype_has_nothrow_assign_or_copy_p): Clarify
965         semantics, simplify implementation.
967 2017-07-16  Volker Reichelt  <v.reichelt@netcologne.de>
969         * parser.c (cp_parser_cast_expression): Use %q#T instead of %qT
970         in old-style cast diagnostic.
971         * typeck.c (maybe_warn_about_useless_cast): Use %q#T instead of %qT
972         in useless cast diagnostic.
973         * error.c (type_to_string): Remove enum special handling.
975 2017-07-14  David Malcolm  <dmalcolm@redhat.com>
977         * name-lookup.c (get_std_name_hint): Add '<' and '>' around
978         the header names.
979         (maybe_suggest_missing_header): Update for addition of '<' and '>'
980         to above.  Provide a fix-it hint.
981         * pt.c: Include "gcc-rich-location.h"
982         (listify): Attempt to add fix-it hint for missing
983         #include <initializer_list>.
984         * rtti.c: Include "gcc-rich-location.h".
985         (typeid_ok_p): Attempt to add fix-it hint for missing
986         #include <typeinfo>.
988 2017-07-12  Jason Merrill  <jason@redhat.com>
990         P0512R0 - Deduction from an initializer list.
991         * pt.c (do_class_deduction): Do list deduction in two phases.
993 2017-07-12  Nathan Sidwell  <nathan@acm.org>
995         * cp-tree.h (DECL_CONSTRUCTOR_P, DECL_MAYBE_IN_CHARGE_CONSTRUCTOR,
996         DECL_DESTRUCTOR_P, DECL_MAYBE_IN_CHARGE_DESTRCTOR): Look at
997         identifier flags.
998         * decl.c (grokfndecl): Set DECL_CXX_CONSTRUCTOR and
999         DECL_CXX_DESTRUCTOR explicitly.
1000         * decl2.c (grokclassfn): Likewise.
1001         * friend.c (do_friend): Likewise.
1002         * method.c (make_thunk, make_alias_for,
1003         implicitly_declare_fn): Likewise.
1005 2017-07-11  Jason Merrill  <jason@redhat.com>
1007         Core DR 393
1008         * decl.c (grokparms): Downgrade error about array of unknown bound
1009         to pedwarn and disable it for C++17.
1011 2017-07-11  Nathan Sidwell  <nathan@acm.org>
1013         * decl2.c (reset_type_linkage_2): Dont't change ctor name.
1015 2017-07-10  Martin Sebor  <msebor@redhat.com>
1017         * cp-tree.h (cp_operator_id, cp_assignment_operator_id): Document.
1019 2017-07-06  Jason Merrill  <jason@redhat.com>
1021         PR c++/81204 - parse error with dependent template-name
1022         * parser.c (cp_parser_lookup_name): Revert previous change.
1024 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
1026         * cp-lang.c (LANG_HOOKS_RUN_LANG_SELFTESTS): Define as
1027         selftest::run_cp_tests.
1028         (selftest::run_cp_tests): New function.
1029         * cp-tree.h (selftest::run_cp_tests): New decl.
1031 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
1033         * parser.c (cp_parser_decomposition_declaration): Replace
1034         decomposition declaration with structured binding in diagnostics.
1035         * decl.c (cp_finish_decomp): Likewise.
1036         (grokdeclarator): Likewise.
1038         PR c++/81258
1039         * parser.c (cp_parser_decomposition_declaration): Diagnose invalid
1040         forms of structured binding initializers.
1042 2017-07-03  Paolo Carlini  <paolo.carlini@oracle.com>
1044         PR c++/65775
1045         * decl.c (grokdeclarator): Move checks on function return type after
1046         the splice_late_return_type call; if declspecs->locations[ds_type_spec]
1047         is UNKNOWN_LOCATION fall back to input_location.
1049 2017-07-03  David Malcolm  <dmalcolm@redhat.com>
1051         * parser.c (enum required_token): Fix spelling of
1052         RT_INTERATION to RT_ITERATION.
1053         (cp_parser_iteration_statement): Likewise.
1054         (cp_parser_required_error): Likewise.
1056 2017-06-30  Jason Merrill  <jason@redhat.com>
1058         PR c++/81257 - ICE with invalid ::template.
1059         PR c++/54769 - wrong lookup of dependent template-name.
1060         * parser.c (cp_parser_template_name): Revert part of last change.
1062 2017-06-30  Nathan Sidwell  <nathan@acm.org>
1064         * config-lang.in (gtfiles): Add cp/lex.c.
1065         * cp-tree.h (mangle_convop_name_for_type): Rename ...
1066         (make_conv_op_name): ... here.  Move to lex.
1067         * lambda.c (maybe_add_lambda_conv_op): Update.
1068         * parser.c (cp_parser_conversion_function_id): Update.
1069         * pt.c (tsubst_decl, tsubst_baselink, tsubst_copy,
1070         tsubst_copy_and_build): Update.
1071         * semantics.c (apply_deduced_return_type): Update.
1072         * mangle.c (conv_type_hasher, conv_type_names,
1073         mangle_conv_op_name_for_type): Move to ...
1074         * lex.c (conv_type_hasher, conv_type_names, make_convop_name):
1075         ... here.  Rename.
1077 2017-06-30  David Malcolm  <dmalcolm@redhat.com>
1079         PR c++/80014
1080         * parser.c (cp_parser_postfix_expression): Construct a location
1081         for typeid expressions.
1083 2017-06-30  Nathan Sidwell  <nathan@acm.org>
1085         * cp-tree.h (lookup_fnfields_1, class_method_index_for_fn): Don't
1086         declare.
1087         (lookup_all_conversions): Declare.
1088         * class.c (get_basefndecls): Use lookup_fnfields_slot.
1089         * decl.c (register_dtor_fn): Use lookup_fnfields_slot.
1090         * decl2.c (check_class_fn): Use lookup_fnfields_slot.  Rework
1091         diagnostics.
1092         * pt.c (retrieve_specialization): Use lookup_fnfields_slot.
1093         (check_explicit_specialization): Use lookup_fnfields_slot_nolazy,
1094         lookup_all_conversions.
1095         * search.c (lookup_fnfields_1): Make static.
1096         (lookup_all_conversions): New.
1097         (class_method_index_for_fn): Delete.
1098         * semantics.c (classtype_has_nothrow_assign_or_copy_p): Use
1099         lookup_fnfields_slot.
1101         * call.c (build_new_method_call_1): Use constructo_name to get
1102         ctor name.  Move argument processing earlier to merge cdtor
1103         handling blocks.
1104         * decl.c (grokfndecl): Cdtors have special names.
1105         * method.c (implicitly_declare_fn): Likewise. Simplify flag setting.
1106         * pt.c (check_explicit_specialization): Cdtor name is already
1107         special.
1108         * search.c (class_method_index_for_fn): Likewise.
1110         PR c++/81229
1111         * name-lookup.c (do_pushdecl): Reset IDENTIFIER_TYPE when finding
1112         a matching TYPE_DECL.
1114 2017-06-29  Paolo Carlini  <paolo.carlini@oracle.com>
1116         * class.c (add_method): Change pair of errors to error + inform.
1117         (handle_using_decl): Likewise.
1119 2017-06-29  Jason Merrill  <jason@redhat.com>
1121         * constexpr.c, error.c, tree.c: Remove WITH_CLEANUP_EXPR handling.
1123         PR c++/81180 - ICE with C++17 deduction of member class template.
1124         * pt.c (build_deduction_guide): Correct member template handling.
1126         PR c++/81188 - matching decltype of member function call.
1127         * tree.c (cp_tree_equal): Remove COMPONENT_REF special case.
1129 2017-06-29  Nathan Sidwell  <nathan@acm.org>
1131         PR c++/81247
1132         * parser.c (cp_parser_namespace_definition): Immediately close the
1133         namespace if there's no open-brace.
1134         * name-lookup.c (do_pushdecl): Reset OLD when pushing into new
1135         namespace.
1137 2017-06-29  Jason Merrill  <jason@redhat.com>
1139         PR c++/81164 - ICE with invalid inherited constructor.
1140         * search.c (binfo_direct_p): New.
1141         * name-lookup.c (do_class_using_decl): Use it.
1143 2017-06-29  Nathan Sidwell  <nathan@acm.org>
1145         * cp-tree.h (THIS_NAME, IN_CHARGE_NAME, VTBL_PTR_TYPE,
1146         VTABLE_DELTA_NAME, VTABLE_PFN_NAME): Delete.
1147         * decl.c (initialize_predefined_identifiers): Name cdtor special
1148         names consistently.  Use literals for above deleted defines.
1149         (cxx_init_decl_processing): Use literal for vtbl_ptr_type name,
1151         * lex.c (maybe_add_lang_type_raw): Exit early, rather than use a
1152         flag.
1154         * call.c (check_dtor_name): Use constructor_name for enums too.
1155         (build_new_method_call_1): Use constructor_name for cdtors and
1156         show ~ for dtor.
1157         * class.c (build_self_reference): Use TYPE_NAME to get name of
1158         self reference.
1159         * name-lookup (constructor_name): Use DECL_NAME directly.
1160         (constructor_name_p): Reimplement.
1161         (push_class_level_binding_1): Use TYPE_NAME directly.
1163         * class.c (finish_struct): Use OVL_P.
1164         (get_vfield_name): Measure constructor_name length.
1165         * cp-tree.h (SET_CLASS_TYPE_P): Add RECORD_OR_UNION_CHECK.
1166         (NON_UNION_CLASS_TYPE_P): Check RECORD_TYPE up front.
1167         * cxx-pretty-print.c (is_destructor_name): Delete.
1168         (pp_cxx_unqualified_id): Remove bogus destructor name checking.
1169         * decl.c (grokfndecl): Move cheap checks first when looking for
1170         implicit extern cness.
1172         * parser.c (cp_parser_direct_declarator): Reorder if to avoid
1173         indentation. Remove unnecessary assignment of constructor name.
1175         Whitespace cleanups.
1176         * call.c (name_as_c_string): Move CONST_CAST to return.
1177         (build_new_method_call_1): Remove unneeded bracing.
1178         * class.c (include_empty_classes): Unbreak line.
1179         * constraint.cc (tsubst_check_constraint): Add space.
1180         * cp-tree.h (lang_decl_ns): Add comment.
1181         (PTRMEM_CST_MEMBER): Break line.
1182         * decl.c (grokfndecl): Add blank lines. Unbreak some others.
1183         (grokdeclarator): Remove lines, move declaration to first use.
1184         * decl2.c (decl_needed_p): Fix indentation.
1185         (c_parse_final_cleanups): Remove blank line.
1186         * method.c (implicitly_declare_fn): Move declaration to first use.
1187         * search.c (current_scope): Add blank lines.
1189 2017-06-28  Jason Merrill  <jason@redhat.com>
1191         PR c++/72764 - ICE with invalid template typename.
1192         * decl.c (build_typename_type): No longer static.
1193         * tree.c (strip_typedefs): Use it instead of make_typename_type.
1195         PR c++/69300 - ICE with self-referential noexcept
1196         * pt.c (maybe_instantiate_noexcept): Check for recursion.
1198         PR c++/61022 - error with variadic template template parm
1199         * pt.c (convert_template_argument): Keep the TYPE_PACK_EXPANSION.
1201         PR c++/72801 - ICE with variadic partial specialization
1202         * pt.c (unify_pack_expansion): Use PACK_EXPANSION_EXTRA_ARGS.
1204         PR c++/55639 - partial specialization with ::template
1205         * parser.c (cp_parser_class_head): Handle ::template.
1207         PR c++/45976 - error with ::template in declarator.
1208         * pt.c (resolve_typename_type): Fix TEMPLATE_ID_EXPR handling.
1210         PR c++/54769 - wrong lookup of dependent template-name.
1211         * parser.c (cp_parser_template_name): Handle dependent object type.
1212         (cp_parser_nested_name_specifier_opt): Make template_keyword_p a
1213         parameter.
1214         (cp_parser_id_expression): Pass it.
1215         (cp_parser_diagnose_invalid_type_name): Handle TEMPLATE_ID_EXPR.
1217         * parser.c (cp_parser_template_id): Use the range location on the
1218         TEMPLATE_ID_EXPR.
1220         PR c++/81204 - parse error with dependent template-name
1221         * parser.c (cp_parser_lookup_name): Disqualify function templates
1222         after lookup.
1224 2017-06-27  Nathan Sidwell  <nathan@acm.org>
1226         * pt.c (tsubst_decl <FUNCTION_DECL>): Move var decls to
1227         initialization point.  Don't unnecessarily check for ctor name.
1229         * cp-tree.h (CLASSTYPE_DESTRUCTORS): Rename to ...
1230         (CLASSTYPE_DESTRUCTOR): ... this.
1231         * class.c (accessible_nvdtor_p,
1232         maybe_warn_about_overly_private_class,
1233         add_implicitly_declared_members,
1234         clone_constructors_and_destructors, type_has_virtual_destructor):
1235         Adjust for CLASSTYPE_DESTRUCTOR.
1236         (deduce_noexcept_on_destructors): Absorb into ...
1237         (check_bases_and_members): ... here.
1238         * except.c (dtor_nothrow): Adjust for CLASSTYPE_DESTRUCTOR.
1239         * init.c (build_delete): Likewise.
1240         * parser.c (cp_parser_lookup_name): Likewise.
1241         * pt.c (check_explicit_specialization): Likewise.
1242         * rtti.c (emit_support_tinfos): Likewise.
1243         * search.c (lookup_fnfields_idx_nolazy): Likewise.
1245         Kill IDENTIFIER_TEMPLATE.
1246         * cp-tree.h (lang_identifier): Remove class_template_info field.
1247         (IDENTIFIER_TEMPLATE): Delete.
1248         * name-lookup.c (constructor_name_full): Subsume into ...
1249         (constructor_name): ... here.  Don't check IDENTIFIER_TEMPLATE.
1250         (constructor_name_p): Likewise.
1251         * mangle.c (write_source_name): Likewise.
1252         * ptree.c (cxx_print_identifier): Likewise.
1254 2017-06-27  Marek Polacek  <polacek@redhat.com>
1256         PR bootstrap/81216
1257         * parser.c (cp_parser_already_scoped_statement): Initialize
1258         LOC_AFTER_LABELS.
1260 2017-06-26  Jason Merrill  <jason@redhat.com>
1262         PR c++/81215 - deduction failure with variadic TTP.
1263         * pt.c (unify_bound_ttp_args): Restore old logic for C++14 and down.
1265 2017-06-26  Martin Sebor  <msebor@redhat.com>
1267         PR c++/81169
1268         * call.c (maybe_warn_class_memaccess): Preserve explicit conversions
1269         to detect casting away cv-qualifiers.
1271 2017-06-26  Nathan Sidwell  <nathan@acm.org>
1273         * cp-tree.h (lang_decl_fn): Remove assignment_operator_p field.
1274         (DECL_COMPLETE_CONSTRUCTOR_P): Directly compare
1275         identifier.
1276         (DECL_BASE_CONSTRUCTOR_P, DECL_COMPLETE_DESTRUCTOR_P,
1277         DECL_BASE_DESTRUCTOR_P, DECL_DELETING_DESTRUCTOR_P): Likewise.
1278         (DECL_ASSIGNMENT_OPERATOR_P): Use IDENTIFIER_ASSIGN_OP_P.
1279         * decl.c (grok_op_properties): Adjust identifier checking.
1280         * init.c (expand_default_init): Adjust identifier descision.
1281         * method.c (implicitly_declare_fn): Don't use
1282         DECL_ASSIGNMENT_OPERATOR_P.
1283         * search.c (lookup_fnfields_1): Use IDENTIFIER_CTOR_P,
1284         IDENTIFIER_DTOR_P.
1285         * call.c (in_charge_arg_for_name): Reimplement.
1286         (build_special_member_call): Use IDENTIFIER_CDTOR_P,
1287         IDENTIFIER_DTOR_P.
1289 2017-06-26  Marek Polacek  <polacek@redhat.com>
1291         PR c/80116
1292         * parser.c (cp_parser_statement): Add a default argument.  Save the
1293         location of the expression-statement after labels have been parsed.
1294         (cp_parser_implicitly_scoped_statement): Set the location of the
1295         body of the conditional after parsing all the labels.  Call
1296         warn_for_multistatement_macros.
1297         (cp_parser_already_scoped_statement): Likewise.
1299 2017-06-24  Paolo Carlini  <paolo.carlini@oracle.com>
1301         PR c++/62315
1302         * parser.c (cp_parser_diagnose_invalid_type_name): Don't print
1303         'typename' in error messages about missing 'typename'.
1305 2017-06-23  Jason Merrill  <jason@redhat.com>
1307         PR c++/79056 - C++17 ICE with invalid template syntax.
1308         * parser.c (cp_parser_simple_type_specifier): Don't assume that type
1309         is a TYPE_DECL.
1310         (cp_parser_check_for_invalid_template_id): Handle TYPE_DECL.
1311         * pt.c (template_placeholder_p): New.
1312         * cp-tree.h: Declare it.
1314 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
1316         * decl.c (duplicate_decls): Use builtin_structptr_types.
1318 2017-06-22  Nathan Sidwell  <nathan@acm.org>
1320         Reorder IDENTIFIER flags
1321         gcc/cp/
1322         * cp-tree.h (enum cp_identifier_kind): New.
1323         (IDENTIFIER_KIND_BIT_0, IDENTIFIER_KIND_BIT_1,
1324         IDENTIFIER_KIND_BIT_2): New.
1325         (IDENTIFIER_MARKED): Move to TREE_LANG_FLAG_4.
1326         (IDENTIFIER_VIRTUAL_P, IDENTIFIER_REPO_CHOSEN): Add IDENTIFIER_CHECK.
1327         (C_IS_RESERVED_WORD): Replace with ...
1328         (IDENTIFIER_KEYWORD_P): ... this.
1329         (IDENTIFIER_CTOR_OR_DTOR_P): Replace with ...
1330         (IDENTIFIER_CDTOR_P): ... this.
1331         (IDENTIFIER_CTOR_P, IDENTIFIER_DTOR_P): New.
1332         (IDENTIFIER_OPNAME_P): Replace with ...
1333         (IDENTIFIER_ANY_OP_P): ... this.
1334         (IDENTIFIER_ASSIGN_OP_P): New.
1335         (IDENTIFIER_TYPENAME_P): Replace with ...
1336         (IDENTIFIER_CONV_OP_P): ... this.
1337         (NEW_DELETE_OPNAME_P): Replace with ...
1338         (IDENTIFIER_NEWDEL_OP_P): ... this.
1339         (DECL_CONV_FN_P, DECL_OVERLOADED_OPERATOR_P): Adjust.
1340         (get_identifier_kind_name, set_identifier_kind): Declare.
1341         * lex.c (get_identifier_kind_name, set_identifier_kind): New.
1342         (init_operators): Adjust to avoid keywords, use
1343         set_identifier_kind. Copy TYPE_EXPR slot.
1344         (init_reswords): Call set_identifier_kind.
1345         (unqualified_name_lookup_error): Adjust.
1346         * operators.def (TYPE_EXPR): Remove.
1347         * decl.c (struct predefined_identifier): Move into ...
1348         (initialize_predefined_identifiers): ... here.  Call
1349         set_identifier_kind.
1350         (grokfndecl, check_var_type, grokdeclarator): Adjust.
1351         (grok_op_properties): Use IDENTIFIER_ANY_ASSIGN_OP to halve search
1352         space.  Adjust.
1353         * call.c (name_as_c_string): Adjust.
1354         (build_new_method_call_1): Likewise.
1355         * cp-cilkplus.c (is_conversion_operator_function_decl_p): Likewise.
1356         * cxx-pretty-print.c (pp_cxx_unqualified_id): Adjust.
1357         * dump.c (cp_dump_tree): Adjust.
1358         * error.c (dump_decl_name): Adjust.
1359         * mangle.c (write_unqualified_id, write_member_name,
1360         write_expression): Adjust.
1361         (mangle_conv_op_name_for_type): Use set_identifier_kind.
1362         * name-lookup.c (do_class_using_decl): Adjust.
1363         (lookup_name_fuzzy, lookup_name_real_1): Likewise.
1364         * parser.c (cp_lexer_get_preprocessor_token,
1365         cp_parser_direct_declarator): Likewise.
1366         * pt.c (push_template_decl_real, tsubst_decl, tsubst_baselink,
1367         tsubst_copy, tsubst_copy_and_build): Adjust.
1368         * ptree.c (cxx_print_identifier): Print identifier kind.
1369         * search.c (lookup_field_r, lookup_member,
1370         lookup_fnfields_idx_nolazy): Adjust.
1371         * semantics.c (finish_id_expression): Adjust..
1372         * typeck.c (cp_build_addr_expr_1): Adjust.
1374 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
1376         PR c++/81154
1377         * semantics.c (handle_omp_array_sections_1, finish_omp_clauses):
1378         Complain about t not being a variable if t is OVERLOAD even
1379         when processing_template_decl.
1381 2017-06-21  David Malcolm  <dmalcolm@redhat.com>
1383         * parser.c (get_cast_suggestion): New function.
1384         (maybe_add_cast_fixit): New function.
1385         (cp_parser_cast_expression): Capture the location of the closing
1386         parenthesis.  Call maybe_add_cast_fixit when emitting warnings
1387         about old-style casts.
1389 2017-06-20  Jason Merrill  <jason@redhat.com>
1391         PR c++/80972 - C++17 ICE with attribute packed.
1392         * call.c (build_over_call): Allow a TARGET_EXPR from reference
1393         binding.
1395 2017-06-20  Nathan Sidwell  <nathan@acm.org>
1397         * cp-tree.h (CPTI_NELTS_IDENTIFIER): Delete.
1398         (nelts_identifier): Delete.
1399         * decl.c (initialize_predefined_identifiers): Remove nelts.
1401         PR c++/67074 - namespace aliases
1402         * decl.c (duplicate_decls): Don't error here on mismatched
1403         namespace alias.
1404         * name-lookup.c (name_lookup::add_value): Matching namespaces are
1405         not ambiguous.
1406         (diagnose_name_conflict): Namespaces are never redeclarations.
1407         (update_binding): An alias can match a real namespace.
1409 2017-06-19  Jason Merrill  <jason@redhat.com>
1411         PR c++/80562 - ICE with constexpr if.
1412         * semantics.c (finish_if_stmt_cond): Call
1413         instantiate_non_dependent_expr.
1415         PR c++/80829 - ICE with constexpr copy of base subobject.
1416         * constexpr.c (clear_no_implicit_zero): New.
1417         (cxx_eval_call_expression): Call it.
1419 2017-06-19  Nathan Sidwell  <nathan@acm.org>
1421         PR c++/81124
1422         PR c++/79766
1423         * name-lookup.c (set_decl_namespace): Don't follow using
1424         directives and ignore using decls.  Only check overly-explicit
1425         scope after discovering decl.
1427 2017-06-19  Jason Merrill  <jason@redhat.com>
1429         PR c++/81073 - constexpr and static var in statement-expression.
1430         * typeck2.c (store_init_value): Always call
1431         require_potential_constant_expression.
1432         * pt.c (convert_nontype_argument): Likewise.
1433         * constexpr.c (potential_constant_expression_1): Adjust message.
1434         Use decl_maybe_constant_var_p instead of decl_constant_var_p.
1435         * decl2.c (decl_maybe_constant_var_p): Consider initializer.
1437 2017-06-19  Nathan Sidwell  <nathan@acm.org>
1439         * pt.c (coerce_template_parms): Fix indentation.
1440         (tsubst_decl): Remove repeated SET_DECL_RTL.  Move VAR_P handling
1441         in to single block.
1443         PR c++/81119
1444         * name-lookup.c (update_binding): Only warn about constructors
1445         hidden by functions.
1447 2017-06-17  Jason Merrill  <jason@redhat.com>
1449         PR c++/60063 - -Wunused-local-typedefs and templates.
1450         * decl2.c (is_late_template_attribute): Return false for "used".
1452         PR c++/70844 - -Wuseless-cast and inheriting constructor.
1453         * method.c (forward_parm): Suppress warn_useless_cast.
1455 2017-06-16  Jason Merrill  <jason@redhat.com>
1457         PR c++/81045 - Wrong type-dependence with auto return type.
1458         * pt.c (type_dependent_expression_p): An undeduced auto outside the
1459         template isn't dependent.
1460         * call.c (build_over_call): Instantiate undeduced auto even in a
1461         template.
1463         PR c++/80465 - ICE with generic lambda with noexcept-specifier.
1464         * lambda.c (maybe_add_lambda_conv_op): Keep processing_template_decl
1465         set longer for a generic lambda.
1467         PR c++/80614 - Wrong mangling for C++17 noexcept type
1468         * mangle.c (write_type): Put the eh spec back on the function type.
1470         PR c++/81102 - Wrong error with partial specialization.
1471         * pt.c (unify) [TEMPLATE_PARM_INDEX]: Strip reference when comparing
1472         types.  Do type deduction later.
1474         PR c++/81074 - ICE with partial specialization of member template.
1475         PR c++/71747
1476         * pt.c (get_partial_spec_bindings): Only coerce innermost args.
1478         PR c++/80831 - ICE with -fsyntax-only.
1479         * decl2.c (c_parse_final_cleanups): Use cgraph_node::get_create.
1481         PR c++/80639 - ICE with invalid PMF initialization.
1482         PR c++/80043 - ICE with -fpermissive
1483         * typeck.c (convert_for_assignment): Recurse when instantiate_type
1484         returns without an error.
1486 2017-06-16  Nathan Sidwell  <nathan@acm.org>
1488         * pt.c (tsubst_baselink): Fix & clarify formatting.
1490         * cp-tree.h (build_this_parm, cp_build_parm_decl,
1491         build_artificial_parm): Add FN parm.
1492         * decl.c (start_cleanup_fn): Adjust.
1493         (build_this_parm): Add FN parm, pass it through.
1494         (grokfndecl): Adjust parm building.
1495         * decl2.c (cp_build_parm_decl): Add FN parm, set context.
1496         (build_artificial_parm): Add FN parm, pass through.
1497         (maybe_retrofit_in_chrg): Adjust parm building.
1498         (start_static_storage_duration_function): Likwise.
1499         * lambda.c (maybe_aadd_lambda_conv_op): Likewise.
1500         * method.c (implicitly_declare_fn): Likewise.
1501         * parser.c (inject_this_parameter): Likewise.
1503         Symbol tables are insert only.
1504         * cp-tree.h (default_hash_traits <lang_identifier *>): Don't
1505         derive from pointer_hash.  Make undeletable.
1507         * class.c (resort_type_method_vec): Avoid potential unsigned
1508         overflow.
1510         Don't defer noexcept_deferred_spec.
1511         * cp-tree.h (unevaluated_noexcept_spec): Don't declare.
1512         * decl.c (cxx_init_decl_processing): Initialize
1513         noexcept_deferred_spec.
1514         * except.c (unevaluated_noexcept_spec): Delete.
1515         * class.c (deduce_noexcept_on_destructor): Use
1516         noexcept_deferred_spec directly.
1517         * method.c (implicitly_declare_fn): Likewise.
1519         Make keyed_classes a vector.
1520         * cp-tree.h (CPTI_KEYED_CLASSES, keyed_classes): Delete.
1521         (keyed_classes): Declare as vector.
1522         * decl.c (keyed_classes): Define.
1523         (cxx_init_decl_processing): Allocate it.
1524         (record_key_method_defined): Use vec_safe_push.
1525         * class.c (finish_struct_1): Likewise.
1526         * pt.c (instantiate_class_template_1): Likewise.
1527         * decl2.c (c_parse_final_cleanups): Reverse iterate keyed_classes.
1529         Make rtti lazier
1530         * rtti.c (enum tinfo_kind): Add TK_DERIVED_TYPES,
1531         TK_VMI_CLASS_TYPES, TK_MAX.  Delete TK_FIXED.
1532         (tinfo_names): New.
1533         (typeid_ok_p): Add quotes to error messages.  Use get_tinfo_desc.
1534         (get_tinfo_decl): Use get_tinfo_desc.
1535         (get_pseudo_ti_init): Likewise. Adjust VMI construction.
1536         (create_pseudo_type_info): Delete.
1537         (get_pseudo_ti_index): Just determine the index.
1538         (get_tinfo_desc): New.  Create all types lazily.
1539         (create_tinfo_types): Just allocate the descriptor array.
1540         (emit_support_tinfos): Use non-inserting type lookup.  Set builtin
1541         location.
1543 2017-06-15  Martin Sebor  <msebor@redhat.com>
1545         PR c++/80560
1546         * call.c (first_non_public_field, maybe_warn_class_memaccess): New
1547         functions.
1548         (has_trivial_copy_assign_p, has_trivial_copy_p): Ditto.
1549         (build_cxx_call): Call maybe_warn_class_memaccess.
1551 2017-06-14  Jakub Jelinek  <jakub@redhat.com>
1553         * cp-gimplify.c (cp_genericize_r): Turn most of the function
1554         into a switch (TREE_CODE (stmt)) statement from long else if
1555         sequence.
1557 2017-06-13  Jakub Jelinek  <jakub@redhat.com>
1559         PR c++/80973
1560         * cp-gimplify.c (cp_genericize_r): Don't instrument MEM_REF second
1561         argument even if it has REFERENCE_TYPE.
1563         PR c++/80984
1564         * cp-gimplify.c (cp_genericize): Only look for VAR_DECLs in
1565         BLOCK_VARS (outer) chain.
1566         (cxx_omp_const_qual_no_mutable): Likewise.
1568 2017-06-13  Martin Liska  <mliska@suse.cz>
1570         PR sanitize/78204
1571         * class.c (build_base_path): Use sanitize_flags_p.
1572         * cp-gimplify.c (cp_genericize_r): Likewise.
1573         (cp_genericize_tree): Likewise.
1574         (cp_genericize): Likewise.
1575         * cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
1576         * decl.c (compute_array_index_type): Likewise.
1577         (start_preparsed_function): Likewise.
1578         * decl2.c (one_static_initialization_or_destruction): Likewise.
1579         * init.c (finish_length_check): Likewise.
1580         * lambda.c (maybe_add_lambda_conv_op): Likewise.
1581         * typeck.c (cp_build_binary_op): Likewise.
1582         (build_static_cast_1): Likewise.
1584 2017-06-11  Jason Merrill  <jason@redhat.com>
1586         * error.c (dump_expr): Use is_this_parameter.
1588         * cp-tree.h, decl2.c, mangle.c, parser.c, pt.c, semantics.c: Use
1589         id_equal.
1591 2017-06-09  Jason Merrill  <jason@redhat.com>
1593         Missing bits from N4268, constant evaluation for all non-type args.
1594         * call.c (build_converted_constant_expr): Rename from
1595         build_integral_nontype_arg_conv, handle all types.
1596         * pt.c (convert_nontype_argument): In C++17 call it for all types.
1597         Move NOP stripping inside pointer case, don't strip ADDR_EXPR.
1598         * cvt.c (strip_fnptr_conv): Also strip conversions to the same type.
1600         Overhaul pointer-to-member conversion and template argument handling.
1601         * call.c (standard_conversion): Avoid creating ck_pmem when the
1602         class type is the same.
1603         * cvt.c (can_convert_qual): Split from
1604         perform_qualification_conversions.
1605         * constexpr.c (cxx_eval_constant_expression): Check it.
1606         * typeck.c (convert_ptrmem): Only cplus_expand_constant if
1607         adjustment is necessary.
1608         * pt.c (check_valid_ptrmem_cst_expr): Compare class types.
1609         (convert_nontype_argument): Avoid redundant error.
1611         * call.c (convert_like_real): Remove "inner" parameter.
1612         Don't replace a constant with its value.
1613         * cp-gimplify.c (cp_fully_fold): Use cp_fold_rvalue.
1615         * pt.c (convert_nontype_argument): Check NULLPTR_TYPE_P rather than
1616         nullptr_node.
1618         * parser.c (cp_parser_constant_expression): Check
1619         potential_rvalue_constant_expression after decay_conversion.
1620         * pt.c (convert_nontype_argument): Don't require linkage in C++17.
1622         PR c++/80384 - ICE with dependent noexcept-specifier
1623         * pt.c (dependent_type_p_r) [FUNCTION_TYPE]: Check for dependent
1624         noexcept-specifier.
1626         * constexpr.c (potential_constant_expression_1): Allow 'this' capture.
1628 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
1630         * class.c (build_vtbl_initializer): Mark dvirt_fn as cold.
1631         * decl.c (cxx_init_decl_processing, push_throw_library_fn): Likewise.
1632         (excpet.c): Mark terminate as cold.
1634 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
1636         PR c/81006
1637         * semantics.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
1638         to sizetype before size_binop.
1640         PR c++/81011
1641         * cp-gimplify.c (cxx_omp_finish_clause): When changing clause
1642         to OMP_CLAUSE_SHARED, also clear OMP_CLAUSE_SHARED_FIRSTPRIVATE
1643         and OMP_CLAUSE_SHARED_READONLY flags.
1645 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1647         * cp-tree.h (lang_check_failed): Annotate by ATTRIBUTE_COLD.
1649 2017-06-07  Nathan Sidwell  <nathan@acm.org>
1651         * class.c (layout_class_type): Restructure overlong-bitfield tpe
1652         search.
1654 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
1656         PR c++/80990
1657         * pt.c (do_class_deduction): Build qualified type.
1659 2017-06-06  Nathan Sidwell  <nathan@acm.org>
1661         * name-lookup.c (suggest_alternatives_for): Use qualified lookup
1662         sans using directives.  Don't walk into inline namespaces.
1664         PR c++/80979
1665         * name-lookup.c (adl_class_only): Don't add visible friends.
1667 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
1669         * parser.c (cp_parser_base_specifier): Fix typos in error messages.
1671 2017-06-02  Nathan Sidwell  <nathan@acm.org>
1673         Remove lang_type_ptrmem.
1674         * cp-tree.h (lang_type_header): Remove is_lang_type_class. Move
1675         into ...
1676         (lang_type_class): ... this.  Reorder bitfields.  Rename to ...
1677         (lang_type): ... this.  Delete old definition.
1678         (lang_type_ptrmem): Delete.
1679         (LANG_TYPE_CLASS_CHECK): Simply get TYPE_LANG_SPECIFIC.  Adjust uses.
1680         (LANG_TYPE_PTRMEM_CHECK): Delete.
1681         (TYPE_GET_PTRMEMFUNC_TYPE, TYPE_SET_PTRMEMFUNC_TYPE): Delete.
1682         (TYPE_PTRMEMFUNC_TYPE): New.  Use TYPE_LANG_SLOT_1.
1683         * decl.c (build_ptrmemfunc_type): Adjust.
1684         * lex.c (copy_lang_type): Remove lang_type_ptrmem handling.
1685         (maybe_add_lang_type_raw): Don't set u.c.h.is_lang_type_class.
1686         
1687         * class.c (check_bases_and_members): Adjust vec_new_uses_cookie
1688         setting.
1689         
1690         Remove cp_binding_level::namespaces
1691         * name-lookup.h (cp_binding_level): Lose namespaces field.
1692         * name-lookup.c (add_decl_to_level): Chain namespaces on the names
1693         list.
1694         (suggest_alternatives_for): Adjust for namespace list.  Do
1695         breadth-first search.
1696         * decl2.c (collect_source_refs): Namespaces are on the regulr
1697         list.
1698         (collect_ada_namespace): Likewise.
1700 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1702         * typeck.c (cp_build_binary_op): Implement the -Wsizeof_pointer_div
1703         warning.
1705 2017-06-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
1707         PR c++/80812
1708         * method.c (constructible_expr): Strip array types before calling
1709         build_value_init.
1711 2017-06-01  Paolo Carlini  <paolo.carlini@oracle.com>
1713         PR c++/80896
1714         * cvt.c (convert_to_void): Possibly call maybe_warn_nodiscard
1715         for case INDIRECT_REF too in the main switch.
1717 2017-05-31  Jason Merrill  <jason@redhat.com>
1719         PR c++/80840 - ICE with constexpr and reference
1720         * pt.c (convert_nontype_argument): Don't test whether a decl is
1721         value-dependent when binding to a reference.
1723 2017-05-31  Nathan Sidwell  <nathan@acm.org>
1725         * cp-tree.h (lang_decl_slector): New enum.
1726         (lang_decl_base): Make selector an enum.  Drop decomposition_p
1727         field.
1728         (lang_decl): Use enum for discrimination.
1729         (LANG_DECL_FN_CHECK, LANG_DECL_NS_CHECK, LANG_DECL_PARM_CHECK,
1730         LANG_DECL_DEOMP_CHECK): Use enum.
1731         (DECL_DECOMPOSITION_P): Use selector value.
1732         (SET_DECL_DECOMPOSITION_P): Delete.
1733         (retrofit_lang_decl): Lose SEL parm.
1734         (fit_decomposition_lang_decl): Declare.
1735         * decl.c (cp_finish_decomp, grokdeclarator): Use
1736         fit_decomposition_lang_decl.
1737         * lex.c (maybe_add_lang_decl_raw): New. Broken out of
1738         retrofit_lang_decl.
1739         (set_decl_linkage): New.  Broken out of retrofit_lang_decl.  Use enum.
1740         (fit_decomposition_lang_decl): Likewise.
1741         (retrofit_lang_decl): Use worker functions.
1742         (cxx_dup_lang_specific_decl): Use selector enum.
1743         (maybe_add_lang_type_raw): New.  Broken out of ...
1744         (cxx_make_type_name): ... here.  Call it.
1746 2017-05-30  Jason Merrill  <jason@redhat.com>
1748         PR c++/80856 - ICE with local extern in template
1749         * semantics.c (finish_call_expr): Replace a local extern overload
1750         set in a template with the IDENTIFIER_NODE.
1752 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
1754         * call.c (perform_implicit_conversion_flags): Convert
1755         "from %qT to %qT" to "from %qH to %qI" in diagnostic.
1756         (print_conversion_rejection): Replace pairs of %qT with
1757         %qH and %qI in various places.
1758         (build_user_type_conversion_1): Likewise.
1759         (build_integral_nontype_arg_conv): Likewise.
1760         (build_conditional_expr_1): Likewise.
1761         (convert_like_real): Likewise.
1762         (convert_arg_to_ellipsis): Likewise.
1763         (joust): Likewise.
1764         (initialize_reference): Likewise.
1765         * cvt.c (cp_convert_to_pointer): Likewise.
1766         (cp_convert_to_pointer): Likewise.
1767         (convert_to_reference): Likewise.
1768         (ocp_convert): Likewise.
1769         * error.c (cp_printer): Gain bool and const char ** parameters.
1770         (struct deferred_printed_type): New struct.
1771         (class cxx_format_postprocessor): New class.
1772         (cxx_initialize_diagnostics): Wire up a cxx_format_postprocessor
1773         to pp->m_format_postprocessor.
1774         (comparable_template_types_p): New function.
1775         (newline_and_indent): New function.
1776         (arg_to_string): New function.
1777         (print_nonequal_arg): New function.
1778         (print_template_differences): New function.
1779         (type_to_string_with_compare): New function.
1780         (print_template_tree_comparison): New function.
1781         (append_formatted_chunk): New function.
1782         (add_quotes): New function.
1783         (cxx_format_postprocessor::handle): New function.
1784         (defer_phase_2_of_type_diff): New function.
1785         (cp_printer): Add "quoted" and "buffer_ptr" params.  Implement
1786         %H and %I.
1787         * typeck.c (cp_build_binary_op): Replace pairs of %qT with
1788         %qH and %qI in various places.
1789         (convert_member_func_to_ptr): Likewise.
1790         (build_reinterpret_cast_1): Likewise.
1791         (convert_for_assignment): Likewise.
1792         * typeck2.c (check_narrowing): Likewise.
1794 2017-05-30  Nathan Sidwell  <nathan@acm.org>
1796         Kill IDENTIFIER_NAMESPACE_BINDINGS
1797         * cp-tree.h (lang_identifier): Delete namespace_bindings.
1798         (IDENTIFIER_NAMESPACE_BINDINGS): Delete.
1799         (lang_decl_ns): Add bindings.
1800         (DECL_NAMESPACE_BINDINGS): New.
1801         * lex.c (retrofit_lang_decl): Create namespace hash table.
1802         * name-lookup.c (find_namespace_slot): Change to use hash-map.
1803         * ptree.c (cxx_print_binding): Delete.
1804         (cxx_print_identifier): Remove NAMESPACE_BINDING printing.
1806         * cp-tree.def (OVERLOAD): Fix comment.
1807         * cp-tree.h: Fix comments and whitespace.
1808         * error.c (dump_decl): Use pp_cxx_colon_colon, ovl_scope.
1809         * name-lookup.c (add_decl_to_level): Assert not class.
1810         (check_local_shadow): Use OVL_P.
1811         (pushdecl_with_scope_1): Rename to ...
1812         (do_pushdecl_with_Scope): ... here.
1813         (do_nonmember_using_decl): Use qualified_namespace_lookup return
1814         value.
1815         (push_class_level_binding_1): Use OVL_P.
1816         (pushdecl_namespace_level): Use do_pushdecl_with_scope.
1817         (pushtag_1): Rename to ...
1818         (do_pushtag): ... here.  Adjust do_pushdecl_with_scope call.
1819         (pushtag): Adjust.
1820         (store_class_bindings): Do not time here.
1821         * name-lookup.h (pushdecl_outermost_localscope): Reorder.
1822         * pt.c (listify): Declare argvec at point of initialization.
1824         PR c++/80913
1825         * name-lookup.c (add_decl_to_level): Assert not making a circular
1826         chain.
1827         (update_binding): Don't prematurely slide artificial decl.
1829 2017-05-29  Alexandre Oliva <aoliva@redhat.com>
1831         * cp-tree.h (lang_identifier): Drop oracle_looked_up, unused.
1833 2017-05-29  Nathan Sidwell  <nathan@acm.org>
1835         PR c++/80891 (#1,#5)
1836         * cp-tree.h (lookup_maybe_add): Add DEDUPING argument.
1837         * name-lookup.c (name_lookup): Add deduping field.
1838         (name_lookup::preserve_state, name_lookup::restore_state): Deal
1839         with deduping.
1840         (name_lookup::add_overload): New.
1841         (name_lookup::add_value, name_lookup::add_fns): Call add_overload.
1842         (name_lookup::search_adl): Set deduping.  Don't unmark here.
1843         * pt.c (most_specialized_instantiation): Revert previous change,
1844         Assert not given duplicates.
1845         * tree.c (lookup_mark): Just mark the underlying decls.
1846         (lookup_maybe_add): Dedup using marked decls.
1848         PR c++/80891 (#4)
1849         * ptree.c (cxx_print_xnode): Show internal OVERLOAD structure.
1850         * tree.c (ovl_insert, ovl_iterator_remove_node): Fix copying assert.
1852         Stat hack representation
1853         * name-lookup.c (STAT_HACK_P, STAT_TYPE, STAT_DECL,
1854         MAYBE_STAT_DECL, MAYBE_STAT_TYPE): New.
1855         (stat_hack): New.
1856         (find_namespace_binding): Replace with ...
1857         (find_namespace_slot): ... this.
1858         (find_namespace_value): New.
1859         (name_lookup::search_namespace_only,
1860         name_lookup::adl_namespace_only): Adjust.
1861         (update_binding): Add SLOT parameter, adjust.
1862         (check_local_shadow): Use find_namespace_value.
1863         (set_local_extern_decl_linkage): Likewise.
1864         (do_pushdecl): Adjust for namespace slot.
1865         (push_local_binding): Assert not a namespace binding.
1866         (check_for_out_of_scope_variable): Use find_namespace_value.
1867         (set_identifier_type_value_with_scope): Likewise.
1868         (get_namespace_binding): Likewise.
1869         (set_namespace_binding): Delete.
1870         (set_global_binding): Directly update the binding.
1871         (finish_namespace_using_decl): Likewise.
1872         (lookup_type_scope_1): Use find_namespace_slot and update.
1873         (do_push_nested_namespace): Use find_namespace_value.
1875         PR c++/80891 (#1)
1876         * pt.c (most_specialized_instantiation): Cope with duplicate
1877         instantiations.
1879         PR c++/80891 (#3)
1880         * cp-tree.h (build_min_nt_call_vec): Declare.
1881         * decl.c (build_offset_ref_call_from_tree): Call it.
1882         * parser.c (cp_parser_postfix_expression): Likewise.
1883         * pt.c (tsubst_copy_and_build): Likewise.
1884         * semantics.c (finish_call_expr): Likewise.
1885         * tree.c (build_min_nt_loc): Keep unresolved lookups.
1886         (build_min): Likewise.
1887         (build_min_non_dep): Likewise.
1888         (build_min_non_dep_call_vec): Likewise.
1889         (build_min_nt_call_vec): New.
1891         PR c++/80891 (#2)
1892         * tree.c (ovl_copy): Adjust assert, copy OVL_LOOKUP.
1893         (ovl_used): New.
1894         (lookup_keep): Call it.
1896 2017-05-26  Nathan Sidwell  <nathan@acm.org>
1898         Implement DR2061
1899         * name-lookup.c (push_inline_namespaces): New.
1900         (push_namespace): Look inside inline namespaces.
1902         Inline and using namespace representation change.
1903         * cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
1904         inlinees as vector.
1905         (DECL_NAMESPACE_USING): Adjust.
1906         (DECL_NAMESPACE_INLINEES): New.
1907         * name-lookup.h (struct cp_binding_level): Change usings
1908         representation.
1909         * name-lookup.c (name_lookup::do_queue_usings,
1910         name_lookup::queue_usings): Adjust.
1911         (name_lookup::search_namespace, name_lookup::search_usings,
1912         name_lookup::queue_namespace): Adjust.
1913         (name_lookup::adl_namespace_only): Adjust.
1914         (add_using_namespace, push_namespace): Push onto vector.
1915         (pop_namespace): Add timing logic.
1917         * call.c (build_operator_new_call): Do namelookup and ADL here.
1918         (build_new_op_1): Likewise.
1919         * name-lookup.h (lookup_function_nonclass): Delete declaration.
1920         (do_using_directive): Likewise.
1921         * name-lookup.c (set_namespace_binding, push_local_binding): Don't
1922         declare early.
1923         (struct scope_binding): Delete.
1924         (EMPTY_SCOPE_BINDING): Delete.
1925         (set_decl_namespace): Use OVL_P.
1926         (finish_local_using_decl): Lose unnecesary checks.
1927         (lookup_function_nonclass): Delete.
1928         (cp_emit_debug_info_for_using): Use MAYBE_BASELINK_P.
1930         * cp-tree.h (OVL_CHAIN): Check looking at OVERLOAD.
1931         (ovl_iterator): Add allow_inner field.  Adjust ctor.  Make
1932         unduplicatable.
1933         (ovl_iterator::maybe_push, ovl_iterator::pop): New.
1934         (lkp_iterator): Add outer field.  Adjust ctor.
1935         (lkp_iterator::operator++): New.
1936         (lookup_mark, lookup_maybe_add): Declare.
1937         * name-lookup.c (name_lookup): Delete fn_set member.
1938         (name_lookup::preserve_state, name_lookup::restore_state): Unmark
1939         and mark lookup.
1940         (name_lookup::add_value): Use lookup_add directly.
1941         (name_lookup::add_fns: Use lookup_maybe_add.
1942         (name_lookup::search_adl): Mark and unmark fns.
1943         (pushdecl): Adjust.
1944         * pt.c (check_explicit_specialization): Use lookup_add directly.
1945         * ptree.c (cxx_print_xnode): Show complete overload structure.
1946         * tree.c (lookup_mark, lookup_maybe_add): New.
1948         * name-lookup.c (name_lookup::search_adl): ADL OMP UDR type args.
1950 2017-05-26  Jakub Jelinek  <jakub@redhat.com>
1952         * cp-tree.h (struct lang_decl_decomp): New type.
1953         (struct lang_decl): Add u.decomp.
1954         (LANG_DECL_DECOMP_CHECK): Define.
1955         (DECL_DECOMPOSITION_P): Note it is set also on the vars
1956         for user identifiers.
1957         (DECL_DECOMP_BASE): Define.
1958         (retrofit_lang_decl): Add extra int = 0 argument.
1959         * lex.c (retrofit_lang_decl): Add SEL argument, if non-zero
1960         use it to influence the selector choices and for selector
1961         0 to non-zero transition copy old content.
1962         (cxx_dup_lang_specific_decl): Handle DECL_DECOMPOSITION_P.
1963         * decl.c (poplevel): For DECL_DECOMPOSITION_P, check
1964         !DECL_DECOMP_BASE instead of !DECL_VALUE_EXPR.  Adjust warning
1965         wording if decl is a structured binding.
1966         (cp_finish_decomp): Pass 4 as the new argument to retrofit_lang_decl.
1967         Set DECL_DECOMP_BASE.  Ignore DECL_READ_P sets from initialization
1968         of individual variables for tuple structured bindings.
1969         (grokdeclarator): Pass 4 as the new argument to retrofit_lang_decl.
1970         Clear DECL_DECOMP_BASE.
1971         * decl2.c (mark_used): Mark DECL_DECOMP_BASE TREE_USED as well.
1972         * pt.c (tsubst_decomp_names): Assert DECL_DECOMP_BASE matches what
1973         is expected.
1974         * expr.c (mark_exp_read): Recurse on DECL_DECOMP_BASE instead of
1975         DECL_VALUE_EXPR.
1977 2017-05-25  Jason Merrill  <jason@redhat.com>
1979         PR c++/80605 - __is_standard_layout and zero-length array
1980         * class.c (check_bases): Use DECL_FIELD_IS_BASE.
1982 2017-05-25  Nathan Sidwell  <nathan@acm.org>
1984         Kill OVL_CURRENT, OVL_NEXT.
1985         * cp-tree.h (OVL_CURRENT, OVL_NEXT): Delete.
1986         * name-lookup.c (set_decl_namespace): Use ovl_iterator.
1987         (consider_binding_level): Use OVL_FIRST.
1988         (cp_emit_debug_info_for_using): Use lkp_iterator.
1989         * pt.c (check_explicit_specialization): Use ovl_iterator.       
1991         Kill DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS.
1992         * cp-tree.h (lang_decl_ns): Remove ns_users field.
1993         (DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS): Delete.
1994         (TREE_INDIRECT_USING): Delete.
1995         * name-lookup.h (is_associated_namespace): Delete.
1996         * name-lookup.c (name_lookup::search_usings,
1997         name_lookup::do_queue_usings): Usings are always direct.
1998         (is_associated_namespace): Delete.
1999         (handle_namespace_attrs): Use DECL_NAMESPACE_INLINE_P.
2000         (namespace_ancestor_1, namespace_ancestor): Delete.
2001         (push_using_directive_1, push_using_directive): Delete.
2002         (add_using_namespace_1): Delete.
2003         (add_using_namespace): Reimplement.
2004         (emit_debug_info_using_namespace): New.
2005         (finish_namespace_using_directive, finish_local_using_directive,
2006         push_namespace): Adjust.
2007         * tree.c (cp_free_lang_data): Remove DECL_NAMESPACE_USERS handling.
2009 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
2011         * semantics.c (finish_handler_parms): Warn about non-reference type
2012         catch handlers.
2014 2017-05-25  Nathan Sidwell  <nathan@acm.org>
2016         Reimplement unqualified namespace lookup.
2017         * name-lookup.c (name_lookup::using_pair,
2018         name_lookup::using_queue): New typedefs.
2019         (name_lookup::queue_namespace, name_lookup::do_queue_usings,
2020         name_lookup::queue_usings): New.
2021         (name_lookup::search_unqualified): New.
2022         (merge_functions, same_entity_p, ambiguous_decl,
2023         unqualified_namespace_lookup_1, unqualified_namespace_lookup,
2024         lookup_using_namespace): Delete.
2025         (lookup_name_real_1): Adjust.
2027         Reimplement qualified namespace lookup.
2028         * name-lookup.c (name_lookup::flags): New member.  Adjust ctor.
2029         (name_lookup::ambiguous, name_lookup::add_value,
2030         name_lookup::add_type, name_lookup::process_binding): New.
2031         (name_lookup::search_namespace_only,
2032         name_lookup::search_namespace, name_lookup::search_usings): New.
2033         (name_lookup::search_qualified): New.
2034         (do_nonmember_using_decl, suggest_alternatives_for,
2035         lookup_qualified_name): Adjust.
2036         (tree_vec_contains): Delete.
2037         (qualified_lookup_using_namespace): Rename to ...
2038         (qualified_namespace_lookup): ... here.  Reimplement.
2040         Reimplement ADL.
2041         * cp-tree.h (LOOKUP_SEEN_P, LOOKUP_FOUND_P): New.
2042         * name-lookup.h (lookup_arg_dependent): Return plain tree.
2043         * name-lookup.c (arg_lookup, arg_assoc, arg_assoc_args,
2044         arg_assoc_args_vec, arg_assoc_type, add_function,
2045         arg_assoc_namespace, arg_assoc_class_only, arg_assoc_bases,
2046         arg_assoc_class, arg_assoc_template_arg, arg_assoc,
2047         lookup_arg_dependent_1): Delete.
2048         (name_lookup): New lookup object.
2049         (name_lookup::preserve_state, name_lookup::restore_state,
2050         name_lookup::mark_seen, name_lookup::find_and_mark,
2051         name_lookup::add_fns, name_lookup::adl_namespace_only,
2052         name_lookup::adl_namespace, name_lookup::adl_class_only,
2053         name_lookup::adl_bases, name_lookup::adl_class,
2054         name_lookup::adl_expr, name_lookup::adl_type,
2055         name_lookup::adl_template_arg, name_lookup::search_adl): New.
2056         (lookup_arg_dependent): Return a plain tree.  Adjust.
2057         (is_associated_namespace): Move later.
2058         
2059 2017-05-24  Nathan Sidwell  <nathan@acm.org>
2061         * friend.c (do_friend): Remove check for existing decl.
2062         * name-lookup.h (lookup_name_innermost_nonclass_level): Delete.
2063         * name-lookup.c (push_local_binding): Directly look for binding.
2064         (lookup_name_innermost_nonclass_level_1): Delete.
2065         (lookup_name_innermost_nonclass_level): Delete.
2067         * Make-lang.in (CXX_AND_OBJCXX_OBJS): Alphabetize.
2069         * cp-tree.h (cp_free_lang_data): Add extern.
2070         (ovl_skip_hidden, is_overloaded_fn, really_overloaded_fn): Add
2071         ATTRIBUTE_PURE.
2072         (type_unknown_p): Return bool, make inline, lose TREE_LIST check.
2073         * typeck.c (type_unknown_p): Delete.
2074         * tree.c (is_overloaded_fn): Use MAYBE_BASELINE_FUNCTIONS, adjust
2075         overload management.
2076         (dependent_name): Likewise.
2077         (decl_anon_ns_mem_p): Simplify.
2079 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
2081         PR c++/80544
2082         * tree.c (reshape_init): Use unqualified type for direct enum init.
2083         * typeck.c (maybe_warn_about_cast_ignoring_quals): New.
2084         (build_static_cast_1, build_reinterpret_cast_1): Strip cv-quals from
2085         non-class destination types.
2086         (build_const_cast_1): Strip cv-quals from destination types.
2087         (build_static_cast, build_reinterpret_cast, build_const_cast)
2088         (cp_build_c_cast): Add calls to maybe_warn_about_cast_ignoring_quals.
2090 2017-05-24  Martin Sebor  <msebor@redhat.com>
2092         PR c/80731
2093         * call.c (fully_fold_internal): Adjust.
2095 2017-05-24  Nathan Sidwell  <nathan@acm.org>
2097         * cp-tree.h (ovl_skip_hidden): Declare.
2098         * tree.c (ovl_skip_hidden): New.
2099         * name-lookup.c (arg_assoc_namespace): Call ovl_skip_hidden.
2100         (lookup_arg_dependent_1): Likewise.
2101         (ambiguous_decl): Use DECL_HIDDEN_P, ovl_skip_hidden.
2102         (hidden_name_p, remove_hidden_names): Delete.
2103         (lookup_name_real_1): Do not strip hidden names.
2104         * name-lookup.h (hidden_name_p, remove_hidden_names): Delete.
2106         * cp-tree.h (OVL_HIDDEN_P): New.
2107         (ovl_iterator::hidden_p, ovl_iterator::reveal_node): New.
2108         (ovl_iterator::reveal_node): Declare.
2109         * tree.c (ovl_copy): Copy OVL_HIDDEN_P.
2110         (ovl_insert): Order on hiddenness.
2111         (ovl_iterator::reveal_node): New.
2112         * name-lookup.c (anticipated_builtin_p): New.
2113         (supplement_binding_1): Use it.
2114         (set_local_extern_decl_linkage): Use hidden_p.
2115         (do_pushdecl): Deal with unhiding a hidden decl, use
2116         anticipated_builtin_p.
2117         (do_nonmember_using_decl): Use anticipated_decl_p.
2118         (lookup_name_real_1): Use DECL_HIDDEN_P.
2120 2017-05-23  Jason Merrill  <jason@redhat.com>
2122         -Wunused and C++17 structured bindings
2123         * decl.c (poplevel): Don't warn about unused structured bindings,
2124         only real variables.
2125         * error.c (dump_simple_decl): Handle structured bindings.
2126         * expr.c (mark_exp_read): Look through DECL_VALUE_EXPR.
2128 2017-05-23  Nathan Sidwell  <nathan@acm.org>
2130         * cp-tree.h (PUSH_GLOBAL, PUSH_LOCAL, PUSH_USING): Delete.
2131         * name-lookup.c (create_local_binding): New.
2132         (update_binding): New.
2133         (pushdecl_maybe_friend_1): Rename to ...
2134         (do_pushdecl): ... this.  Reimplement.
2135         (pushdecl): Adjust.
2136         (push_overloaded_decl_1, push_overloaded_decl): Delete.
2138 2017-05-23  Jason Merrill  <jason@redhat.com>
2140         PR c++/80396 - built-in for make_integer_sequence.
2141         * pt.c (builtin_pack_fn_p, builtin_pack_call_p)
2142         (expand_integer_pack, expand_builtin_pack_call): New.
2143         (find_parameter_packs_r): Check builtin_pack_call_p.
2144         (check_for_bare_parameter_packs): Handle it.
2145         (tsubst_pack_expansion): Call expand_builtin_pack_call.
2146         (declare_integer_pack): New.
2147         (init_template_processing): Call it.
2148         * decl2.c (mark_used): Check builtin_pack_fn_p.
2150 2017-05-23  Nathan Sidwell  <nathan@acm.org>
2152         * name-lookup.c (find_namespace_binding): New.
2153         (pushdecl_maybe_friend_1): Use CP_DECL_CONTEXT.
2154         (set_identifier_type_value_with_scope): Use find_namespace_binding.
2155         (find_binding, cp_binding_level_find_binding_for_name,
2156         binding_for_name, namespace_binding_1): Delete.
2157         (push_overloaded_decl_1): Use CP_DECL_CONTEXT.
2158         (get_namespace_binding, set_namespace_binding,
2159         finish_namespace_using_decl, unqualified_namespace_lookup_1,
2160         qualified_lookup_using_namespace, lookup_type_scope_1,
2161         lookup_name_innermost_nonclass_level_1): Use find_namespace_binding.
2163         PR c++/80866
2164         * parser.c (cp_parser_template_id): Keep the lookup when stashing
2165         the template_id.
2167         * cp-tree.h (DECL_HIDDEN_P): New.
2168         * name-lookup.c (set_decl_context,
2169         set_local_extern_decl_linkage): New, broken out of ...
2170         (pushdecl_maybe_friend_1): ... here.  Call them.
2172 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
2174         * parser.c (OACC_KERNELS_CLAUSE_MASK): Add
2175         "PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS",
2176         "VECTOR_LENGTH".
2178 2017-05-23  Nathan Sidwell  <nathan@acm.org>
2180         * cp-tree.h (OVL_P): New.
2181         * name-lookup.h (push_local_binding): Delete.
2182         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
2183         (finish_namespace_using_decl, finish_local_using_decl): ... here
2184         * name-lookup.c (add_decl_to_level): Swap args.
2185         (pop_bindings_and_leave_scope): Look inside TREE_LIST.
2186         (diagnose_name_conflict): Check contexts are same for redecl.
2187         (update_local_overload): New.
2188         (compparms_for_decl_and_using): Rename to ...
2189         (matching_fn_p): ... here.
2190         (pushdecl_maybe_friend_1): Adjust add_decl_to_level,
2191         push_local_bindings call.
2192         (push_local_binding): Make static, replace FLAGS arg with
2193         IS_USING.
2194         (validate_nonmember_using_decl): Use OVL_FIRST.
2195         (do_nonmember_using_decl): Use in/out parameters.  Use
2196         lkp_iterator and simplify.
2197         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
2198         (finish_namespace_using_decl, finish_local_using_decl): ... here.
2199         Adjust.
2200         (lookup_type_current_level): Delete.
2201         * parser.c (cp_parser_using_declaration): Adjust.
2202         * pt.c (tsubst_expr): Adjust.
2204 2017-05-22  Nathan Sidwell  <nathan@acm.org>
2206         * name-lookup.h (parse_using_directive): Replace with ...
2207         (finish_namespace_using_directive): ... this and ...
2208         (finish_local_using_directive): ... this.
2209         * name-lookup.c (add_using_namespace_1): Move later.
2210         (add_using_namespace): Move later, add namespace_p arg, remove
2211         indirect arg.
2212         (push_using_directive_1): Directly recurse.
2213         (do_using_directive, parse_using_directive): Delete, split into ...
2214         (finish_namespace_using_directive): ... this and ...
2215         (finish_local_using_directive): ... this.
2216         (push_namespace): Use add_using_namespace.
2217         * parser.c (cp_parser_using_directive): Call
2218         finish_namespace_using_directive or finish_local_using_directive.
2219         * pt.c (tsubst_expr): Call finish_local_using_directive.
2221         * cp-objcp-common.c (cp_register_dumps): Register raw dumper.
2222         * cp-tree.h (raw_dump_id): Declare.
2223         * decl2.c (raw_dump_id): Define.
2224         (dump_tu): Use raw_dump_id.
2226         * config-lang.in (gtfiles): Sort list, break lines.
2228         * cp-tree.h (CPTI_TERMINATE, CPTI_CALL_UNEXPECTED): Rename to ...
2229         (CPTI_TERMINATE_FN, CPTI_CALL_UNEXPECTED_FN): ... here.
2230         ( CPTI_GET_EXCEPTION_PTR_FN, CPTI_BEGIN_CATCH_FN, CPTI_END_CATCH_FN,
2231         CPTI_ALLOCATE_EXCEPTION_FN, CPTI_FREE_EXCEPTION_FN, CPTI_THROW_FN,
2232         CPTI_RETHROW_FN): New.
2233         (noexcept_deferred_spec): New.
2234         (terminate_node, call_unexpected_node): Rename to ...
2235         (terminate_fn, call_unexpected_fn): ... here.
2236         (get_exception_ptr_fn, begin_catch_fn, end_catch_fn,
2237         allocate_exception_fn, free_exception_fn, throw_fn, rethrow_fn): New.
2238         * except.c (fn1..fn5, throw_fn, rethrow_rn, spec): Delete.
2239         (init_exception_processing): Adjust.
2240         (declare_library_fn): Create and push the fns here.
2241         (do_get_exception_ptr, do_begin_catch, do_end_catch,
2242         do_allocate_exception_ptr, do_free_exception_ptr): Adjust
2243         declare_library_fn use.
2244         (unevaluated_noexcept_spec): Adjust.
2245         * cp-gimplify.c (genericize_eh_spec_block,
2246         gimplify_most_not_throw_expr): Adjust.
2248         * name-lookup.c (pushdecl_top_level,
2249         pushdecl_top_level_and_finish): Move after namespace pushing and
2250         popping functions.
2251         (push_to_top_level): Rename to ...
2252         (do_push_to_top_level): ... here.  Remove timing code.
2253         (pop_from_top_level_1): Rename to ...
2254         (do_pop_from_top_level): ... here.
2255         (do_push_nested_namespace, do_pop_nested_namespace)
2256         (push_to_top_level): New wrapper for do_push_to_top_level.
2257         (pop_from_top_level): Adjust.
2258         (push_nested_namepace, pop_nested_namespace): Wrappers for workers.
2260 2017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2262         * config-lang.in (gtfiles): Add c-family/c-format.c,
2263         except.c, init.c, lambda.c and friend.c.
2264         * class.c (dvirt_fn): Move out of function scope,
2265         add GTY attribute.
2266         * except.c (fn1-5, throw_fn, rethrow_fn, spec): Likewise.
2267         * init.c (fn): Likewise.
2268         * lambda.c (ptr_id, max_id): Likewise.
2269         * friend.c (global_friend): Add GTY attribute.
2271 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2273         * call.c (add_list_candidates): Use OVL_FIRST.
2274         (build_new_method_call_1): Likewise.
2275         * cp-tree.h (OVL_SINGLE_P): New.
2276         (TYPE_HIDDEN_P): New.
2277         * decl.c (xref_tag_1): Use TYPE_HIDDEN_P.
2278         * dump.c (cp_tump_tree): Adjust overload dumping.
2279         * error.c (dump_decl): Use OVL_SINGLE_P, simplify context
2280         printing.
2281         * method.c (lazily_declare_fn): Assert we added it.
2282         * parser.c (cp_parser_nested_name_specifier): Use OVL_SINGLE_P,
2283         OVL_FIRST.
2284         (cp_parser_template_name): Use lkp_iterator.
2285         * pt.c (begin_template_parm_list): Fixup comment.
2286         (instantiate_class_template_1): Use TYPE_HIDDEN_P.
2287         * tree.c (ovl_iterator::remove_node): Cope with inherited ctors.
2288         (ovl_scope): Use lkp_iterator.
2290 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
2292         * parser.c (cp_parser_omp_clause_default): Handle
2293         "OMP_CLAUSE_DEFAULT_PRESENT".
2295         * parser.c (cp_parser_omp_clause_default): Avoid printing more
2296         than one syntax error message.
2298 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2300         * class.c (class_dump_id): Define.
2301         (dump_class_hierarchy, dump_vtable, dump_vtt): Use it.
2302         * cp-objcp-common.c (cp_register_dumps): New.
2303         * cp-objcp-common.h (cp_register_dumps): Declare.
2304         (LANG_HOOKS_REGISTER_DUMPS): Override.
2305         * cp-tree.h (class_dump_id): Declare.
2307 2017-05-18  Nathan Sidwell  <nathan@acm.org>
2309         * cp-tree.h (OVL_ARG_DEPENDENT): Delete.
2310         (OVL_USED_P): New.
2311         (lookup_keep): Declare.
2312         * name-lookup.c (add_function): Don't set OVL_ARG_DEPENDENT.
2313         * pt.c (tsubst_copy): Assert lookup is persistent.
2314         * semantics.c (finish_call_expr): Use lkp_iterator, call
2315         lookup_keep.
2316         * tree.c (ovl_copy): New.
2317         (ovl_insert, ovl_iterator::remove_node): Copy immutable nodes.
2318         (lookup_keep): New.
2320         * cp-tree.h (OVL_USED): Replace with ...
2321         (OVL_USING_P): ... this.
2322         (ovl_iterator::using_p): Adjust.
2323         * name-lookup.c (push_overloaded_decl_1,
2324         do_nonmember_using_decl): Adjust.
2325         * search.c (lookup_field_r): Adjust.
2326         * tree.c (ovl_insert, ovl_scope): Adjust.
2328         * cp-tree.h (lookup_add): Swap args.
2329         (ovl_cons, build_overload): Delete.
2330         * name-lookup.c (add_function, push_overloaded_decl_1,
2331         do_nonmember_using_decl, merge_functions, remove_hidden_names):
2332         Use lookup_add, ovl_insert.
2333         * pt.c (check_explicit_specialization): Use lookup_add.
2334         (do_class_deduction): Likewise. Refactor if.
2335         * tree.c (lookup_add): Swap args.
2336         (ovl_cons, build_overload): Delete.
2338         * name-lookup.c (find_local_binding): New, broken out of ...
2339         (lookup_name_innermost_nonclass_level_1): ... here.  Call it.
2340         (set_namespace_binding): Swap scope & name args.
2341         (namespace_binding_1): Likewise.
2342         (pushdecl_maybe_friend_1): Adjust set_namespace_binding call.
2343         (push_overloaded_decl_1): Likewise.
2344         (set_global_binding): Likewise.
2345         (get_namespace_binding): Adjust namespace_binding_1 call.
2347 2017-05-17  Nathan Sidwell  <nathan@acm.org>
2349         * cp-tree.h (default_hash_traits <lang_identifier *>): New
2350         specialization.
2351         * name-lookup.c (lookup_extern_c_fun_in_all_ns): Delete.
2352         (extern_c_fns): New hash table.
2353         (check_extern_c_conflict): New, broken out of ...
2354         (pushdecl_maybe_friend_1): ... here.  Call it.
2355         (c_linkage_bindings): Just look in hash table.
2357 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
2359         PR c++/80654
2360         PR c++/80682
2361         Implement new C++ intrinsics __is_assignable and __is_constructible.
2362         * cp-tree.h (CPTK_IS_ASSIGNABLE, CPTK_IS_CONSTRUCTIBLE): New.
2363         (is_xible): New.
2364         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
2365         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
2366         * method.c (constructible_expr): Set cp_unevaluated.
2367         (is_xible_helper): New.
2368         (is_trivially_xible): Adjust.
2369         (is_xible): New.
2370         * parser.c (cp_parser_primary_expression): Handle
2371         RID_IS_ASSIGNABLE and RID_IS_CONSTRUCTIBLE.
2372         (cp_parser_trait_expr): Likewise.
2373         * semantics.c (trait_expr_value): Handle
2374         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
2376 2017-05-17  Nathan Sidwell  <nathan@acm.org>
2378         * cp-tree.h (ovl_iterator::using_p): New predicate.
2379         (ovl_iterator::remove_node): New worker.
2380         (ovl_insert): Declare.
2381         * tree.c (ovl_insert): New.
2382         (ovl_iterator::remove_node): New.
2383         * class.c (add_method): Use ovl_iterator, ovl_insert.
2384         (clone_function_decl): Fix description.
2385         (clone_constructors_and_destructors): Use ovl_iterator.
2387         * class.c (handle_using_decl): Use OVL_FIRST, ovl_iterator.
2388         (maybe_warn_about_overly_private_class): Use ovl_iterator.
2389         (method_name_cmp, resort_method_name_cmp): Use OVL_NAME.
2390         (resort_type_method_vec, finish_struct_methods): Use OVL_FIRST.
2391         (get_base_fndecls): Use ovl_iterator.
2392         (warn_hidden): Use OVL_NAME, ovl_iterator.
2393         (add_implicitly_declared_members): Use ovl_iterator.
2394         * constraint.cc (normalize_template_id_expression): Use OVL_FIRST,
2395         flatten nested if.
2396         (finish_shorthand_constraint): Simplify, use ovl_make.
2397         * pt.c (make_constrained_auto): Simplify.  Use ovl_make.
2398         * search.c (shared_member_p): Use ovl_iterator.
2399         (lookup_field_fuzzy_info::fuzzy_lookup_fn): Use OVL_NAME.
2400         (lookup_conversion_operator): Use OVL_FIRST.
2401         (lookup_fnfiels_idx_nolazy): Use OVL_FIRST, OVL_NAME.
2402         (look_for_overrides_here): Use ovl_iterator.
2403         (lookup_conversions_r): Use OVL_FIRST, OVL_NAME, ovl_iterator.
2404         * typeck.c (build_x_unary_op): Use ovl_make.
2406 2017-05-17  Martin Liska  <mliska@suse.cz>
2408         * class.c (dump_class_hierarchy): Introduce dump_flags_t type and
2409         use it instead of int type.
2410         (dump_vtable): Likewise.
2411         (dump_vtt): Likewise.
2412         * decl2.c (dump_tu): Likewise.
2414 2017-05-16  David Malcolm  <dmalcolm@redhat.com>
2416         * call.c (enforce_access): Add access_failure_info * param and use
2417         it to record access failures.
2418         * cp-tree.h (class access_failure_info): New class.
2419         (enforce_access): Add access_failure_info * param, defaulting to
2420         NULL.
2421         (lookup_member): Likewise.
2422         (locate_field_accessor): New function decl.
2423         (perform_or_defer_access_check): Add access_failure_info * param,
2424         defaulting to NULL.
2425         * search.c (lookup_member): Add access_failure_info * param and
2426         pass it on to call to perform_or_defer_access_check.
2427         (matches_code_and_type_p): New function.
2428         (field_access_p): New function.
2429         (direct_accessor_p): New function.
2430         (reference_accessor_p): New function.
2431         (field_accessor_p): New function.
2432         (struct locate_field_data): New struct.
2433         (dfs_locate_field_accessor_pre): New function.
2434         (locate_field_accessor): New function.
2435         * semantics.c (perform_or_defer_access_check): Add
2436         access_failure_info * param, and pass it on to call to
2437         enforce_access.
2438         * typeck.c (access_failure_info::record_access_failure): New method.
2439         (access_failure_info::maybe_suggest_accessor): New method.
2440         (finish_class_member_access_expr): Pass an access_failure_info
2441         instance to the lookup_member call, and call its
2442         maybe_suggest_accessor method afterwards.
2444 2017-05-16  Marek Polacek  <polacek@redhat.com>
2446         PR sanitizer/80536
2447         PR sanitizer/80386
2448         * cp-gimplify.c (cp_fold): Handle SAVE_EXPR.
2450 2017-05-16  Nathan Sidwell  <nathan@acm.org>
2452         * name-lookup.c (check_local_shadow): New, broke out of ...
2453         (pushdecl_maybe_friend_1): ... here.  Call it.
2455         * cp-tree.h (OVL_NESTED_P, OVL_LOOKUP_P): New.
2456         (ovl_first): Move inline definition to end of file.
2457         (ovl_make, lookup_add): Declare.
2458         (get_fns, get_first_fn): Make pure.
2459         * tree.c (ovl_cache): New.
2460         (ovl_make, lookup_add): New.
2461         * pt.c (do_class_deduction): Don't add candidates that will be
2462         elided.
2464         * call.c (build_user_type_conversion_1): Use OVL_FIRST.
2465         (print_error_for_call_failure): Use OVL_NAME.
2466         (build_op_call_1): Use ovl_iterator.
2467         (add_candidates): Use OVL_FIRST & lkp_iterator.
2468         (build_op_delete_call): Use MAYBE_BASELINK_FUNCTIONS &
2469         lkp_iterator.
2470         * class.c (deduce_noexcept_on_destructors): Use ovl_iterator.
2471         (type_has_user_nondefault_constructor,
2472         in_class_defaulted_default_constructor,
2473         type_has_user_provided_constructor,
2474         type_has_user_provided_or_explicit_constructor,
2475         type_has_non_user_provided_default_constructor,
2476         vbase_has_user_provided_move_assign,
2477         type_has_move_constructor, type_has_move_assign,
2478         type_has_user_declared_move_constructor,
2479         type_has_user_declared_move_assign,
2480         type_build_ctor_call, type_build_dtor_call,
2481         type_requires_array_cookie, explain_non_literal_class): Likewise.
2482         (finish_struct): Use lkp_iterator.
2483         (resolve_address_of_overloaded_function): Use OVL_NAME, lkp_iterator.
2484         (note_name_declared_in_class): Use OVL_NAME.
2485         * cxx-pretty-print.c (pp_cxx_unqualified_id): Use OVL_FIRST.
2486         (pp_cxx_qualified_id, cxx_pretty_printer::id_expression,
2487         cxx_pretty_printer::expression): Likewise.
2488         * decl2.c (check_classfn): Use ovl_iterator.
2489         * pt.c (retrieve_specialization): Use ovl_iterator.
2490         * tree.c (cp_tree_equal): Use lkp_iterator.
2491         (type_has_nontrivial_copy_init): Use ovl_iterator.
2493         * typeck2.c (cxx_incomplete_type_diagnostic): Revert change and
2494         check is_overloaded_fn.
2496 2017-05-16  Martin Liska  <mliska@suse.cz>
2498         * parser.c (cp_lexer_print_token): Add default value for flags
2499         argument of print_gimple_stmt, print_gimple_expr,
2500         print_generic_stmt and print_generic_expr.
2502 2017-05-16  Nathan Sidwell  <nathan@acm.org>
2504         * cp-tree.h (class ovl_iterator, class lkp_iterator): New OVERLOAD
2505         iterators.
2506         (MAYBE_BASELINK_FUNCTIONS): New.
2507         * constraint.cc (resolve_constraint_check): Use lkp_iterator.
2508         * decl2.c (maybe_warn_sized_delete): Use ovl_iterator.
2509         * lambda.c (maybe_generic_this_capture): Use lkp_iterator.
2510         * method.c (inherited_ctor_binfo): Use ovl_iterator.
2511         (binfo_inherited_from): Likewise.
2512         * parser.c (lookup_literal_operator): Use lkp_iterator.
2513         * pt.c (iterative_hash_template_arg): Use lkp_iterator.
2514         (print_candidates_1): Likewise.
2515         (determine_specialization): Likewise.
2516         (resolve_overloaded_unification): Likewise.
2517         (resolve_nondeduced_context): Likewise.
2518         (type_dependent_expression_p): Likewise.
2519         (dependent_template_p): Likewise.
2520         * ptree.c (cxx_print_xnode): Likewise.
2521         * semantics.c (omp_reduction_lookup): Use lkp_iterator.
2522         (classtype_has_nothrow_assign_or_copy_p): Use ovl_iterator.
2523         * typeck.c (check_template_keyword): Use lkp_iterator.
2525         * cp-tree.h (OVL_FIRST, OVL_NAME): New.
2526         (ovl_first): New.
2527         * constexpr.c (function_concept_check): Use OVL_FIRST.
2528         * cvt.c (build_expr_type_conversion): Likewise.
2529         * decl.c (poplevel, grokdeclarator): Use OVL_NAME.
2530         * decl2.c (mark_used): Use OVL_FIRST.
2531         * error.c (dump_decl): Use OVL_FIRST, OVL_NAME.
2532         (dump_expr, location_of): Use OVL_FIRST.
2533         * friend.c (do_friend): Use OVL_NAME.
2534         * init.c (build_offset_ref): Use OVL_FIRST.
2535         * mangle.c (write_member_name): Likewise.
2536         (write_expression): Use OVL_NAME.
2537         * method.c (strip_inheriting_ctors): Use OVL_FIRST.
2538         * name-lookup.c (pushdecl_class_level): Use OVL_NAME.
2539         * pt.c (check_explicit_specialization): Use OVL_FIRST.
2540         (check_template_shadow): Likewise.
2541         (tsubst_template_args): Use OVL_NAME.
2542         (tsubst_baselink): Use OVL_FIRST.
2543         * semantics.c (perform_koenig_lookup): Use OVL_NAME.
2544         * tree.c (get_first_fn): Use OVL_FIRST.
2545         * typeck.c (finish_class_member_access_expr): Use OVL_NAME.
2546         (cp_build_addr_expr_1): Use OVL_FIRST.
2548         * pt.c (tsubst_copy_and_build): Remove unnecessary COMPONENT_REF
2549         peeking.
2550         * semantics.c (finish_id_expression): Directly init local var.
2551         (finish_omp_reduction_clause): Use really_overloaded_fn.
2552         * tree.c (get_fns): Document.  Assert we got an overload.
2553         (get_first_fn) Document.
2554         * typeck.c (cp_build_addr_expr_1): Pass arg directly to
2555         really_overloaded_fn.
2556         * typeck2.c (cxx_incomplete_type_diagnostic): Use get_first_fn directly.
2558         * cp-tree.h (SCOPE_DEPTH): New.
2559         * name-lookup.h (is_nested_namespace): Declare.
2560         * name-lookup.c (is_nested_namespace): New.
2561         (is_ancestor): Use it.
2562         (set_decl_namespace): Likewise.
2563         (push_namespace): Set SCOPE_DEPTH.
2564         * pt.c (check_specialization_namespace): Use is_nested_namespace.
2565         (check_unqualigied_spec_or_inst): Likewise.
2567 2017-05-15  Nathan Sidwell  <nathan@acm.org>
2569         PR c++/79369
2570         * cp-tree.h (DECL_NAMESPACE_INLINE_P): New.
2571         * name-lookup.h (push_namespace): Return int, add make_inline arg.
2572         * name-lookup.c (push_namespace): Deal with inline directly.
2573         Return pushed count.
2574         * parser.c (cp_parser_namespace_definition): Adjust for
2575         push_namespace change.
2577 2017-05-11  Nathan Sidwell  <nathan@acm.org>
2579         * cp-lang.c (get_global_decls, cxx_pushdecl, LANG_HOOK_GETDECLS,
2580         LANG_HOOKS_PUSHDECL): Move to ...
2581         * cp-objcp-common.c (cp_get_global_decls, cp_pushdec,
2582         LANG_HOOK_DECLS, LANG_HOOKS_PUSHDECL): ... here.
2583         * cp-objcp-common.h (cp_get_global_decls, cp_pushdecl): Declare.
2585         * name-lookup.h (pushdecl): Add default friend parm.
2586         (pushdecl_maybe_friend): Delete.
2587         (pushdecl_top_level): Add default friend parm.
2588         (pushdecl_top_level_maybe_friend): Delete.
2589         * name-lookup.c (pushdecl_maybe_friend): Delete.
2590         (pushdecl): Add is_friend parm.
2591         (pushdecl_top_level): Add is friend_parm.
2592         (pushdecl_top_level_maybe_friend, pushdecl_top_level_1): Delete.
2593         (pushdecl_top_level_and_finish): Do pushing and finishing directly.
2594         * friend.c (do_friend): Adjust.
2595         * pt.c (tsubst_friend_class): Adjust.
2597         Revert pushdecl_top_level_and_finish name change.
2598         * name-lookup.h (pushdecl_top_level_and_finish): Resurrect old name.
2599         * name-lookup.c (pushdecl_top_level_and_finish): Likewise.
2600         * decl.c (cp_make_fname_decl): Adjust.
2601         * decl2.c (get_guard, handle_tls_init):  Adjust.
2602         * rtti.c (get_tinfo_decl, tinfo_base_init):  Adjust.
2604         * name-lookup.c (pushdecl_outermost_localscope): Always
2605         conditionally stop timer.
2607         * decl.c (xref_tag_1): Don't frob ts_lambda scope here.
2608         * name-lookup.c (pushtag_1): Deal with ts_lambda scope.
2610         * cp-tree.h (pushdecl, pushdecl_maybe_friend, pushtag,
2611         pushtag_top_level_maybe_friend,
2612         pushdecl_top_level_and_finish): Move declarations to ...
2613         * name-lookup.h: ... here.  Group pushdecl variants.
2614         (pushdecl_top_level_and_finish): Rename to ...
2615         (pushdecl_top_level_with_init): ... here.
2616         * decl.c (cp_make_fname_decl): Use pushdecl_top_level_with_init.
2617         * decl2.c (get_guard, handle_tls_init): Likewise.
2618         * rtti.c (get_tinfo_decl, tinfo_base_init): Likewise.
2619         * lambda.c (maybe_add_lambda_conv_op): Use namespace_bindings_p.
2620         * method.c (implicitly_declare_fn): Likewise.
2621         * searchc (node_debug_info_needed): Likewise.
2622         * name-lookup.c (pushdecl_top_level_and_finish): Rename to ...
2623         (pushdecl_top_level_with_init): ... here.
2624         (pop_everything): Use namespace_bindings_p.
2626         * name-lookup.h (pop_binding): Rename to pop_local_binding.
2627         (getdecls): Rename to get_local_decls.
2628         * name-lookup.c (pop_binding): Rename to ...
2629         (pop_local_binding): ... here.
2630         (pop_bindings_and_leave_scope): Adjust.
2631         (getdecls): Rename to ...
2632         (get_local_decls): ... here.  Assert local scope.
2633         * decl.c (poplevel): Assert not namespace.  Adjust and simplify
2634         logic.
2635         (store_parm_decls): Adjust get_local_decls call.
2636         (parser.c (synthesize_implicit_template_parm): Likewise.
2638 2017-05-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
2640         PR c++/80682
2641         * method.c (is_trivially_xible): Reject void types.
2643 2017-05-10  Nathan Sidwell  <nathan@acm.org>
2645         * class.c (handle_using_decl): Always use OVL_CURRENT.
2646         (resolve_address_of_overloaded_function): Move iterator decl into
2647         for scope.  Don't strip anticipated decls here.
2649         * pt.c (print_candidates_1): Separate TREE_LIST and OVERLOAD
2650         printing.
2651         (print_candidates): Adjust.
2653         * cp-tree.h (build_new_function_call): Lose koenig_p arg.  Fix
2654         line breaking.
2655         * call.c (build_new_function_call): Lose koenig_p arg.  Remove
2656         koenig_p handling here.
2657         * pt.c (push_template_decl_real): Unconditionally retrofit_lang_decl.
2658         (tsubst_omp_clauses): Likewise.
2659         (do_class_deduction): Adjust buld_new_function_call calls.
2660         * semantics.c (finish_call_expr): Likewise.
2662 2017-05-10  Jason Merrill  <jason@redhat.com>
2664         * pt.c (unify_parameter_deduction_failure, unify_cv_qual_mismatch)
2665         (unify_type_mismatch, unify_parameter_pack_mismatch)
2666         (unify_ptrmem_cst_mismatch, unify_expression_unequal)
2667         (unify_parameter_pack_inconsistent, unify_inconsistency)
2668         (unify_vla_arg, unify_method_type_error, unify_arity)
2669         (unify_arg_conversion, unify_no_common_base)
2670         (unify_inconsistent_template_template_parameters)
2671         (unify_template_deduction_failure)
2672         (unify_template_argument_mismatch)
2673         (unify_overload_resolution_failure): Call unify_invalid.
2675         CWG 1847 - Clarifying compatibility during partial ordering
2676         * pt.c (more_specialized_fn): No order between two non-deducible
2677         parameters.
2679         * pt.c (dependent_type_p): Make sure we aren't called with
2680         global_type_node.
2682         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
2683         * pt.c (convert_template_argument): Just return an argument pack.
2684         (coerce_template_parameter_pack, template_parm_to_arg)
2685         (extract_fnparm_pack, make_argument_pack, tsubst_template_args)
2686         (tsubst_decl, tsubst, type_unification_real, unify_pack_expansion):
2687         Don't set the type of a NONTYPE_ARGUMENT_PACK.
2688         * parser.c (make_char_string_pack, make_string_pack): Likewise.
2690 2017-05-10  Nathan Sidwell  <nathan@acm.org>
2692         * cp-tree.h (add_method, clone_function_decl): Change last arg to
2693         bool.
2694         * class.c (add_method): Change third arg to bool.  Adjust.
2695         (one_inheriting_sig, one_inherited_ctor): Adjust.
2696         (clone_function_decl): Change 2nd arg to bool.  Adjust.
2697         (clone_constructors_and_destructors): Adjust.
2698         * lambda.c (maybe_add_lambda_conv_op): Adjust.
2699         * method.c (lazily_declare_fn): Adjust.
2700         * pt.c (tsubst_decl, instantiate_template_1): Adjust.
2701         * semantics.c (finish_member_declaration): Adjust.
2703 2017-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
2705         PR c++/80145
2706         * decl.c (finish_function): To improve error recovery, change the
2707         logic for calling apply_deduced_return_type.
2709 2017-05-09  Jason Merrill  <jason@redhat.com>
2711         PR c++/80605 - __is_standard_layout and empty base
2712         * class.c (check_bases): Ignore empty bases.
2714         PR c++/70979 - literal class and closure types
2715         * class.c (finalize_literal_type_property): Handle closures
2716         specifically.
2717         (explain_non_literal_class): Likewise.
2719         PR c++/66297, DR 1684 - literal class and constexpr member fns
2720         * constexpr.c (is_valid_constexpr_fn): Only complain about
2721         non-literal enclosing class in C++11.
2722         * class.c (finalize_literal_type_property): Likewise.
2724 2017-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
2726         PR c++/80186
2727         * pt.c (tsubst_decl): Early return error_mark_node if
2728         grok_ctor_properties returns false.
2730 2017-05-09  Jason Merrill  <jason@redhat.com>
2732         PR c++/70167 - array prvalue treated as lvalue
2733         * cp-tree.h (CONSTRUCTOR_C99_COMPOUND_LITERAL): New.
2734         (enum fcl_t): New.
2735         * semantics.c (finish_compound_literal): Add fcl_context parameter.
2736         Only make a static variable for C99 syntax.
2737         * parser.c (cp_parser_postfix_expression): Pass it.
2738         * pt.c (tsubst_copy_and_build): Likewise.
2739         * call.c (extend_ref_init_temps): Set
2740         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2742 2017-05-09  Nathan Sidwell  <nathan@acm.org>
2744         * cp-lang.c (get_global_decls, cxx_pushdecl): New.
2745         (LANG_HOOKS_GETDECLS, LANG_HOOKS_PUSHDECL): Override.
2746         * name-lookup.h (pushdecl_top_level): Declare.
2748 2017-05-08  Jason Merrill  <jason@redhat.com>
2750         PR c++/80178 - parameter passing for uncopyable classes
2751         * tree.c (type_has_nontrivial_copy_init): True for classes with only
2752         deleted copy/move ctors.
2753         (remember_deleted_copy, maybe_warn_parm_abi): New.
2754         * decl.c (require_complete_types_for_parms, check_function_type):
2755         Call maybe_warn_parm_abi.
2756         * call.c (convert_for_arg_passing, build_cxx_call): Likewise.
2758 2017-05-08  Nathan Sidwell  <nathan@acm.org>
2760         * decl.c (builtin_function_1): Set DECL_ANTICIPATED before pushing.
2761         (start_preparsed_function): Do decl pushing before setting
2762         current_funciton_decl and announcing it.
2764         * name-lookup.h (pushdecl_with_scope): Replace with ...
2765         (pushdecl_outermost_localscope): ... this.
2766         * name-lookup.c (pushdecl_with_scope): Replace with ...
2767         (pushdecl_outermost_localscope): ... this.
2768         (pushdecl_namespace_level): Adjust.
2769         * decl.c (cp_make_fname_decl): Use pushdecl_outermost_localscope.
2770         * lambda.c (insert_capture_proxy): Likewise.
2772         * class.c (build_vtbl_initializer): Don't shadow outer variable
2773         with static var.
2775         Revert _binding -> _value change.
2776         * name-lookup.h (get_namespace_value, set_global_value): Rename to ...
2777         (get_namespace_binding, set_global_binding): ... these.
2778         * name-lookup.c (get_namespace_value, set_global_value): Rename to ...
2779         (get_namespace_binding, set_global_binding): ... these.
2780         (arg_assoc_namespace, pushdecl_maybe_friend_1,
2781         check_for_out_of_scope_variable, push_overloaded_decl_1,
2782         lookup_name_innermost_nonclass_level, push_namespace): Adjust.
2783         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
2784         SET_IDENTIFIER_GLOBAL_VALUE): Adjust.
2785         * decl.c (poplevel): Adjust.
2786         * pt.c (make_constrained_auto): Likewise.
2788 2017-05-07  Volker Reichelt  <v.reichelt@netcologne.de>
2790         PR translation/80280
2791         * call.c (print_z_candidate): Fix quoting.
2793 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
2795         * error.c (pedwarn_cxx98): Replace report_diagnostic
2796         with diagnostic_report_diagnostic.
2798 2017-05-05  Nathan Sidwell  <nathan@acm.org>
2800         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE): Use get_namespace_value.
2801         (SET_IDENTIFIER_GLOBAL_VALUE): Use set_global_value.
2802         (IDENTIFIER_NAMESPACE_VALUE): Delete.
2803         * name-lookup.h (namespace_binding, set_namespace_binding): Replace
2804         with ...
2805         (get_namespace_value, set_global_value): ... these.
2806         (get_global_value_if_present, is_typename_at_global_scope): Delete.
2807         * decl.c (poplevel): Use get_namespace_value.
2808         (grokdeclarator): Use IDENTIFIER_GLOBAL_VALUE.
2809         * class.c (build_vtbl_initializer): Stash library decl in
2810         static var. Use IDENTIFIER_GLOBAL_VALUE.
2811         * except.c (do_get_exception_ptr, do_begin_catch, do_end_catch,
2812         do_allocate_exception, do_free_exception, build_throw): Likewise.
2813         * init.c (throw_bad_array_new_length): Likewise.
2814         * rtti.c (throw_bad_cast, throw_bad_typeid): Likewise.
2815         * name-lookup.c (arg_assoc_namespace, pushdecl_maybe_friend_1,
2816         check_for_our_of_scope_variable, push_overloaded_decl_1): Use
2817         get_namespace_value.
2818         (set_namespace_binding_1): Rename to
2819         (set_namespace_binding): ... here.
2820         (set_global_value): New.
2821         (lookup_name_innermost_nonclass_level_1, push_namespace): Use
2822         get_namespace_value.
2823         * pt.c (listify): Use get_namespace_value.
2825         * call.c (make_temporary_var_for_ref_to_temp): Push decl into
2826         current scope.
2827         * lex.c (unqualified_name_lookup_error): Likewise.
2829         * class.c (alter_class): Use retrofit_lang_decl directly.
2830         * decl.c (push_local_name, dupliate_decls): Likewise.
2831         * semantics.c (omp_privatize_field): Likewise.
2833         Kill walk_namespaces.
2834         * cp-tree.h (walk_namespaces_fn, walk_namespaces): Delete.
2835         * decl.c (walk_namespaces_r, walk_namespaces): Delete.
2837         Kill per-namespace static_decls.
2838         * cp-tree.h (static_decls): Declare.
2839         (wrapup_globals_for_namespace,
2840         diagnose_inline_vars_for_namespace): Replace with ...
2841         (wrapup_namespace_globals): ... this.
2842         * decl.c (static_decls): Define.
2843         (wrapup_globals_for_namespace,
2844         diagnose_inline_vars_for_namespace): Replace with ...
2845         (wrapup_namespace_globals): ... this.
2846         (cxx_init_decl_processing): Initialize static_decls.
2847         * decl2.c (c_parse_final_cleanups): Adjust.
2848         * name-lookup.h (cp_binding_level): Remove static_decls member.
2849         * name-lookup.c (add_decl_to_level): Adjust.
2850         (begin_scope): Adjust.
2852 2017-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
2854         PR c++/71577
2855         * decl.c (reshape_init): Unconditionally return error_mark_node
2856         upon error about too many initializers.
2858 2017-05-04  Nathan Sidwell  <nathan@acm.org>
2860         * constraint.cc (diagnose_check_constraint): Fix %E thinko.
2862 2017-05-04  Martin Sebor  <msebor@redhat.com>
2864         PR translation/80280
2865         * call.c (print_z_candidate): Add missing quoting to %D and other
2866         like directives.
2867         (build_op_call_1): Same.
2868         * constraint.cc (diagnose_check_constraint): Same.
2869         * mangle.c (mangle_decl): Same.
2870         * name-lookup.c (cp_binding_level_debug): Same.
2871         (set_decl_namespace): Same.
2872         * parser.c (cp_parser_tx_qualifier_opt): Same.
2873         * pt.c (print_candidates_1): Same.
2874         (check_template_variable): Same.
2875         (tsubst_default_argument): Same.
2876         (most_specialized_partial_spec): Same.
2877         * semantics.c (omp_reduction_lookup): Same.
2878         * tree.c (check_abi_tag_redeclaration): Same.
2879         * typeck.c (comptypes): Same.
2880         * typeck2.c (abstract_virtuals_error_sfinae): Same.
2882 2017-05-04  Nathan Sidwell  <nathan@acm.org>
2884         More global trees.
2885         * cp-tree.h (enum cp_tree_index): Add CPTI_GLOBAL,
2886         CPTI_GLOBAL_TYPE, CPTI_GLOBAL_IDENTIFIER, CPTI_ANON_IDENTIFIER,
2887         CPTI_INIT_LIST_IDENTIFIER.
2888         (global_namespace, global_type_node, global_identifier,
2889         anon_identifier, init_list_identifier): New.
2890         * decl.c (global_type_node, global_scope_name): Delete.
2891         (initialize_predefined_identifiers): Add new identifiers.
2892         (cxx_init_decl_processing): Adjust.
2893         * name-lookup.h (global_namespace, global_type_node): Delete.
2894         * name-lookup.c (global_namespace, anonymous_namespace_name,
2895         get_anonymous_namespace_name): Delete.
2896         (namespace_scope_ht_size, begin_scope, pushtag_1,
2897         push_namespace): Adjust,
2898         * call.c (type_has_extended_temps): Use init_list_identifier.
2899         * pt.c (listify): Likewise.
2901         * name-lookup.c: Reorder functions to make merging from modules
2902         branch simpler.
2904 2017-05-03  Jason Merrill  <jason@redhat.com>
2906         * constexpr.c (cxx_eval_outermost_constant_expr): Use TV_CONSTEXPR.
2908 2017-05-03  Nathan Sidwell  <nathan@acm.org>
2910         * cp-tree.h (enum cp_tree_index, cp_global_trees): Move earlier,
2911         along with #defines, to before name-lookup include.
2913 2017-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
2915         * pt.c (is_auto_or_concept): Remove.
2916         (type_uses_auto_or_concept): Remove, unused.
2917         (find_parameter_packs_r, extract_autos_r, is_auto_r): Adjust.
2918         * parser.c (tree_type_is_auto_or_concept): Remove, unused.
2919         * cp-tree.h (is_auto_or_concept): Remove.
2921 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
2923         PR c++/80038
2924         * cp-cilkplus.c (cilk_install_body_with_frame_cleanup): Don't
2925         add pedigree operation and detach call here.
2926         * cp-gimplify.c (cp_gimplify_expr): Remove the calls to
2927         cilk_cp_gimplify_call_params_in_spawned_fn.
2928         (cilk_cp_gimplify_call_params_in_spawned_fn): Remove function.
2929         * semantics.c (simplify_aggr_init_expr): Copy EXPR_CILK_SPAWN.
2931 2017-04-29  Volker Reichelt  <v.reichelt@netcologne.de>
2933         * parser.c (cp_parser_member_declaration): Add fix-it hints for
2934         stray comma and missing semicolon at end of member declaration.
2936 2017-04-27  Volker Reichelt  <v.reichelt@netcologne.de>
2938         * parser.c (cp_parser_cast_expression): Add target type of cast to
2939         diagnostic.
2940         * error.c (type_to_string): Add '{enum}' suffix to enumeration types.
2942 2017-04-26  Paolo Carlini  <paolo.carlini@oracle.com>
2944         * decl.c (grok_ctor_properties, ambi_op_p, unary_op_p): Change
2945         return type to bool.
2946         * cp-tree.h (grok_ctor_properties): Update.
2948 2017-04-26  Volker Reichelt  <v.reichelt@netcologne.de>
2950         * parser.c (cp_parser_nested_name_specifier_opt): Add fix-it
2951         information to diagnostic of invalid colon in nested-name-specifier.
2953 2017-04-25  Volker Reichelt  <v.reichelt@netcologne.de>
2955         * parser.c (cp_parser_elaborated_type_specifier): Add fix-it to
2956         diagnostic of invalid class/struct keyword after enum.
2958 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
2960         * parser.c (cp_parser_member_declaration): Add fix-it hint
2961         for removing stray semicolons.
2963 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
2965         * name-lookup.c (get_std_name_hint): New function.
2966         (maybe_suggest_missing_header): New function.
2967         (suggest_alternative_in_explicit_scope): Call
2968         maybe_suggest_missing_header.
2970 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
2972         PR c++/80177
2973         * name-lookup.c (suggest_alternative_in_explicit_scope): Convert
2974         candidate type of bm from tree to const char *.
2975         (consider_binding_level): Likewise.
2976         (lookup_name_fuzzy): Likewise, using this to merge the best
2977         result from the preprocessor into bm, rather than immediately
2978         returning, so that better matches from reserved words can "win".
2979         Guard the rejection of keywords that don't start decl-specifiers
2980         so it only happens for FUZZY_LOOKUP_TYPENAME.
2982 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
2984         * decl.c (grokdeclarator): Use %qT instead of %<%T%> in diagnostics.
2985         (start_enum): Likewise.
2986         (build_enumerator): Likewise. Use %qE instead of plain %E.
2987         * parser.c (cp_parser_mem_initializer_list): Use %qD instead of
2988         %<%D%> in diagnostics.
2989         (cp_parser_elaborated_type_specifier): Likewise.
2990         * pt.c (make_pack_expansion): Use %qT and %qE instead of
2991         %<%T%> and %<%E%> in diagnostics.
2992         (tsubst_pack_expansion): Likewise.
2994 2017-04-24  David Malcolm  <dmalcolm@redhat.com>
2996         PR c++/80016
2997         * parser.c (cp_parser_unary_expression):  Generate a location
2998         range for alignof and sizeof expressions.
3000 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
3002         * parser.c (cp_parser_cv_qualifier_seq_opt): Add fix-it info to
3003         error message.
3004         (cp_parser_virt_specifier_seq_opt): Likewise.
3005         (set_and_check_decl_spec_loc): Likewise twice.
3007 2017-04-21  Jason Merrill  <jason@redhat.com>
3009         PR c++/80179 - ICE with initialized flexible array member.
3010         * constexpr.c (verify_ctor_sanity): Handle flexible array members.
3012 2017-04-21  Richard Biener  <rguenther@suse.de>
3014         * cp-tree.h (copy_decl): Annotate with CXX_MEM_STAT_INFO.
3015         (copy_type): Likewise.
3016         * lex.c (copy_decl): Pass down mem-stat info.
3017         (copy_type): Likewise.
3019 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
3021         PR c++/80473
3022         * init.c (build_new_1): Suppress notes about over-aligned new when
3023         the warning is suppressed.
3025 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
3027         * parser.c (cp_parser_member_declaration): Add warning with fixit
3028         information for extra semicolon after in-class function definition.
3030 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
3032         PR middle-end/80423
3033         * tree.c (build_cplus_array_type): Call build_array_type
3034         with the intended TYPE_TYPELESS_STORAGE flag value, instead
3035         of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
3036         on the shared type.
3038 2017-04-18  Marek Polacek  <polacek@redhat.com>
3040         PR c++/80244 - ICE with attribute in template alias.
3041         * tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
3043         PR c++/80241 - ICE with alignas pack expansion.
3044         * error.c (dump_expr): Handle TREE_LIST.
3045         * parser.c (cp_parser_std_attribute_list): Return error_mark if
3046         make_pack_expansion returns an error.
3048 2017-04-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3050         PR c++/80287
3051         * class.c (fixup_may_alias): Fix all type variants.
3053 2017-04-17  Jason Merrill  <jason@redhat.com>
3055         PR c++/80415 - wrong error with default arg and array reference.
3056         * tree.c (lvalue_kind): Return clk_class for an array prvalue.
3058         * pt.c (tsubst_init): Set TARGET_EXPR_DIRECT_INIT_P.
3060 2017-04-15  Alexandre Oliva <aoliva@redhat.com>
3062         * decl.c (name_unnamed_type): Split out of...
3063         (grokdeclarator): ... this.
3064         * decl.h (name_unnamed_type): Declare.
3066 2017-04-12  Richard Biener  <rguenther@suse.de>
3067         Bernd Edlinger  <bernd.edlinger@hotmail.de>
3069         PR middle-end/79671
3070         * tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
3071         for arrays of character or std::byte type.
3073 2017-04-11  Jason Merrill  <jason@redhat.com>
3075         PR c++/80294 - ICE with constexpr and inheritance.
3076         * constexpr.c (reduced_constant_expression_p):
3077         A null constructor element is non-constant.
3078         (cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
3079         returning an empty base.
3081 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
3083         PR c++/80370
3084         * decl.c (cp_finish_decomp): If processing_template_decl on
3085         non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't
3086         change their DECL_VALUE_EXPR nor cp_finish_decl them.  Instead make
3087         sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst
3088         processing.
3089         * pt.c (value_dependent_expression_p) <case VAR_DECL>: For variables
3090         with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type
3091         dependent.
3093 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
3095         PR c++/80363
3096         * error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
3098 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
3100         PR c++/80176
3101         * tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
3102         operand, if it is a static member function, recurse on the
3103         BASELINK.
3105 2017-04-10  Marek Polacek  <polacek@redhat.com>
3107         PR sanitizer/80348
3108         * typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL.  Set
3109         ORIG_TYPE earlier and not only when shortening.
3111 2017-04-07  Jason Merrill  <jason@redhat.com>
3113         PR c++/80356 - ICE with reference to function template argument.
3114         PR c++/79294
3115         * pt.c (convert_nontype_argument_function): Adjust type even with a
3116         value-dependent argument.
3118         PR c++/80267 - ICE with nested capture of reference
3119         PR c++/60992
3120         * pt.c (tsubst_copy): Handle lookup finding a capture proxy.
3122 2017-04-07  Marek Polacek  <polacek@redhat.com>
3124         PR sanitizer/80348
3125         * typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
3127         PR c++/80095
3128         * call.c (build_over_call): Don't check cxx_dialect.
3129         * cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
3130         whether SUB is a CONSTRUCTOR.
3131         * init.c (build_new_1): Don't check cxx_dialect.
3132         * tree.c (replace_placeholders): Add a function comment.  Return if
3133         not in C++14, or if the object isn't a (member of a) class.
3134         * typeck2.c (store_init_value): Don't check cxx_dialect nor whether
3135         TYPE is CLASS_TYPE_P.
3137 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
3139         PR c++/80309
3140         * pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead
3141         of a loop doing vec_safe_push of NULL.  Formatting fixes.
3142         (rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx
3143         to newidx before calling canonical_type_parameter on newtype.
3145 2017-04-04  Volker Reichelt  <v.reichelt@netcologne.de>
3147         PR c++/80296
3148         * cxx-pretty-print.c (cxx_pretty_printer::expression): Add
3149         UNARY_PLUS_EXPR case.
3151 2017-04-03  Jason Merrill  <jason@redhat.com>
3153         * semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO.
3155 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
3157         * class.c (update_vtable_entry_for_fn): Fix typo in comment.
3158         * decl2.c (one_static_initialization_or_destruction): Likewise.
3159         * name-lookup.c (store_bindings): Likewise.
3160         * parser.c (make_call_declarator): Likewise.
3161         * pt.c (check_explicit_specialization): Likewise.
3163 2017-04-03  Jason Merrill  <jason@redhat.com>
3165         PR sanitizer/79993 - ICE with VLA initialization from string
3166         PR c++/69487 - wrong VLA initialization from string
3167         * init.c (finish_length_check): Split out from build_vec_init.
3168         (build_vec_init): Handle STRING_CST.
3169         * typeck2.c (split_nonconstant_init): Handle STRING_CST.
3170         (digest_init_r): Don't give a STRING_CST VLA type.
3172 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
3174         PR c++/79572
3175         * cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
3176         REFERENCE_TYPE.  Adjust ubsan_maybe_instrument_reference caller
3177         for NOP_EXPR to REFERENCE_TYPE.
3179         PR libstdc++/80251
3180         * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE.
3181         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
3182         CPTK_IS_AGGREGATE.
3183         * semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE.
3184         Remove extraneous parens.
3185         (finish_trait_expr): Handle CPTK_IS_AGGREGATE.
3186         * parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE.
3187         (cp_parser_trait_expr): Likewise.
3189 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
3191         PR middle-end/80162
3192         * cp-tree.h (cxx_mark_addressable): Add array_ref_p argument.
3193         * typeck.c (cxx_mark_addressable): Likewise.  Look through
3194         VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
3195         to ARRAY_TYPE.
3196         (cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable.
3198 2017-03-24  Jason Merrill  <jason@redhat.com>
3200         PR c++/77339 - ICE with invalid use of alias template.
3201         * pt.c (lookup_template_class_1): Don't try to enter the scope of an
3202         alias template.
3204 2017-03-24  Marek Polacek  <polacek@redhat.com>
3206         PR c++/80119
3207         * cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression
3208         doesn't have side effects.
3210 2017-03-23  Jason Merrill  <jason@redhat.com>
3212         PR c++/80150 - ICE with overloaded variadic deduction.
3213         * pt.c (try_one_overload): Remove asserts.
3215         PR c++/77563 - missing ambiguous conversion error.
3216         * call.c (convert_like_real): Use LOOKUP_IMPLICIT.
3218 2017-03-23  Marek Polacek  <polacek@redhat.com>
3220         * cp-tree.h: Remove a C_RID_YYCODE reference.
3222 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
3224         PR c++/80141
3225         * semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
3226         case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
3227         processing_template_decl.
3229 2017-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
3231         PR c++/77752
3232         * name-lookup.c (pushtag_1): Add check for bogus, non template,
3233         std::initializer_list.
3235 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
3237         PR c++/35878
3238         * init.c (std_placement_new_fn_p, build_new_1): Formatting fixes.
3240 2017-03-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
3242         PR c++/35878
3243         * init.c (std_placement_new_fn_p): New.
3244         (build_new_1): Call it.
3246 2017-03-20  Jason Merrill  <jason@redhat.com>
3248         PR c++/80096 - ICE with C++17 non-type auto.
3249         * pt.c (tsubst): Delay tsubst of type of template non-type
3250         parameter.
3252         PR c++/79519 - ICE with deleted template friend.
3253         * decl.c (grokdeclarator): Complain about misplaced function
3254         definition using =, as well.
3256         PR c++/79640 - infinite recursion with generic lambda.
3257         * pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
3258         before substituting its initializer.
3260 2017-03-20  Marek Polacek  <polacek@redhat.com>
3261             Paolo Carlini  <paolo.carlini@oracle.com>
3263         PR c++/80059 - ICE with noexcept and __transaction_atomic
3264         * except.c (build_must_not_throw_expr): Call
3265         instantiate_non_dependent_expr.
3267 2017-03-19  Jason Merrill  <jason@redhat.com>
3269         PR c++/80084 - wrong C++17 decomposition by reference of parameter.
3270         * decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
3271         reference decomposition.
3273         PR c++/80077 - error with constexpr and -fno-elide-constructors.
3274         * constexpr.c (cxx_eval_call_expression): Set ctx->call while
3275         expanding trivial constructor.
3277 2017-03-17  Jason Merrill  <jason@redhat.com>
3279         PR c++/78345 - ICE initializing array from lambda.
3280         * init.c (build_aggr_init): Check array initializer.
3281         (build_vec_init): Check the type of a CONSTRUCTOR.
3283         PR c++/80073 - C++17 ICE with virtual base.
3284         * decl.c (xref_basetypes): Also check for indirect vbases.
3286 2017-03-16  Jason Merrill  <jason@redhat.com>
3288         * decl.c (start_enum): std::byte aliases anything.
3290         PR c++/79797
3291         * constexpr.c (lookup_placeholder): Tweak.
3293 2017-03-15  Jason Merrill  <jason@redhat.com>
3295         PR c++/80043 - ICE with -fpermissive
3296         * typeck.c (convert_for_assignment): Handle instantiate_type
3297         not giving an error.
3299 2017-03-14  Nathan Sidwell  <nathan@acm.org>
3301         PR c++/79393 DR 1658 workaround
3302         * method.c (synthesized_method_base_walk): Inihibit abstract class
3303         virtual base access check here.
3304         (synthesized_method_walk): Not here.
3306 2017-03-13  Nathan Sidwell  <nathan@acm.org>
3308         PR c++/79393 DR 1658 workaround
3309         * method.c (synthesized_method_walk): Check vbases of abstract
3310         classes for dtor walk.
3312 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3314         PR translation/79848
3315         * decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs".
3317 2017-03-10  Jason Merrill  <jason@redhat.com>
3319         PR c++/79960 - alias templates and partial ordering
3320         * pt.c (comp_template_args): Add partial_order parm.
3321         (template_args_equal): Likewise.
3322         (comp_template_args_porder): New.
3323         (get_partial_spec_bindings): Use it.
3325 2017-03-10  Marek Polacek  <polacek@redhat.com>
3327         PR c++/79967
3328         * decl.c (grokdeclarator): Check ATTRLIST before dereferencing it.
3330 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3332         PR c++/79899
3333         * optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
3334         Use XALLOCAVEC macro.
3336         PR c++/79896
3337         * decl.c (finish_enum_value_list): If value is error_mark_node,
3338         don't copy it and change its type.
3339         * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
3340         of CONST_DECL is error_mark_node.
3342 2017-03-09  Marek Polacek  <polacek@redhat.com>
3344         PR c++/79900 - ICE in strip_typedefs
3345         * tree.c (strip_typedefs): Skip the attribute handling if T is
3346         a variant type which hasn't been updated yet.
3348         PR c++/79687 - wrong code with pointer-to-member
3349         * init.c (constant_value_1): Break if the variable has a dynamic
3350         initializer.
3352 2017-03-08  Jason Merrill  <jason@redhat.com>
3354         PR c++/79797 - ICE with self-reference in array DMI.
3355         * constexpr.c (lookup_placeholder): Split out...
3356         (cxx_eval_constant_expression): ...from here.
3358 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
3360         PR c/79834
3361         * parser.c (cp_parser_omp_cancellation_point,
3362         cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
3363         cp_parser_omp_target_update): Change "may only be used in compound
3364         statements" diagnostics, such that the same translatable string is
3365         used for all pragmas.
3366         (cp_parser_pragma): Likewise.  Use error_at instead of
3367         cp_parser_error for that diagnostics.
3369 2017-03-06  Marek Polacek  <polacek@redhat.com>
3371         PR c++/79796 - ICE with NSDMI and this pointer
3372         * call.c (build_over_call): Handle NSDMI with a 'this' by calling
3373         replace_placeholders.
3375 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
3377         PR c++/79822
3378         * constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like
3379         ({ (void) 0; }).
3381 2017-03-06  Jason Merrill  <jason@redhat.com>
3383         Revert "Allow deduction guides to look into primary template."
3384         * cp-tree.h, parser.c, pt.c, search.c: Revert.
3386 2017-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
3388         PR c++/70266
3389         * except.c (build_must_not_throw_expr): Perform the implicit
3390         conversions on the condition.
3392 2017-03-03  Jason Merrill  <jason@redhat.com>
3394         * mangle.c (mangle_decl): Check -Wnoexcept-type instead of
3395         -Wc++1z-compat.
3397         Core issues 2273 and 2277
3398         * call.c (joust): Adjust using-declaration tiebreaker to handle
3399         the intermediate base case.
3400         * method.c (strip_inheriting_ctors): Just return the argument if
3401         !flag_new_inheriting_ctors.
3403 2017-03-03  Richard Biener  <rguenther@suse.de>
3405         PR c++/79825
3406         * cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR.
3408 2017-03-03  Marek Polacek  <polacek@redhat.com>
3410         PR c++/79791
3411         * typeck.c (string_conv_p): In C++11, always call pedwarn with
3412         OPT_Wwrite_strings.
3414 2017-03-02  Jason Merrill  <jason@redhat.com>
3416         Update overload resolution with deduction guides.
3417         * pt.c (do_class_deduction): Always build the copy guide.
3418         (copy_guide_p, template_guide_p): New.
3419         (build_deduction_guide): Remember the original constructor.
3420         * call.c (joust): Prefer the copy guide and non-template guides.
3422         Allow deduction guides to look into primary template.
3423         * cp-tree.h (struct saved_scope): Add deduction_guide_type.
3424         (struct cp_decl_specifier_seq): Add constructor_p.
3425         * parser.c (cp_parser_decl_specifier_seq): Set constructor_p.
3426         (cp_parser_init_declarator): Check it.  Set ctor_dtor_or_conv_p.
3427         Clear deduction_guide_type.  Don't handle deduction guide names.
3428         (cp_parser_declarator): Don't clear ctor_dtor_or_conv_p.
3429         (cp_parser_direct_declarator): Likewise.  Handle deduction guides.
3430         (cp_parser_member_declaration, cp_parser_cache_defarg)
3431         (cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p.
3432         * pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change.
3433         (build_deduction_guide): Set deduction_guide_type.
3434         (dependent_scope_p): Check deduction_guide_type.
3435         * search.c (lookup_member): Likewise.
3437 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
3439         PR c++/79782
3440         * init.c (mark_exp_read_r): New function.
3441         (emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on
3442         whole arguments instead of plain mark_exp_read on TREE_LIST values.
3444 2017-03-01  Jason Merrill  <jason@redhat.com>
3446         Class template argument deduction in new-expression
3447         * init.c (build_new): Handle deduction from no initializer.
3448         * parser.c (cp_parser_new_expression): Don't require a single
3449         expression for class template deduction.
3450         * typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for
3451         class template placeholder.
3452         * pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context.
3453         (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF.
3454         (redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS.
3456 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
3458         PR c++/79746
3459         * init.c (emit_mem_initializers): When not constructing vbases of
3460         abstract classes, mark arguments as read for
3461         -Wunused-but-set-parameter.
3463 2017-02-28  Jason Merrill  <jason@redhat.com>
3465         Class template argument deduction refinements
3466         * call.c (joust): Move deduction guide tiebreaker down.
3467         * decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class
3468         deduction with no initializer.
3469         * pt.c (build_deduction_guide): Handle implicit default/copy ctor.
3470         (do_class_deduction): Use that rather than special case.
3471         (do_auto_deduction): Handle null initializer.
3473 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
3475         * decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...")
3476         instead of just cond ? "..." : "...".
3477         (grokdeclarator): Likewise.
3478         (build_enumerator): Likewise.
3479         * init.c (build_new_1): Likewise.
3480         * call.c (build_new_method_call_1): Likewise.
3481         * parser.c: Include intl.h.
3482         (cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for
3483         "enter"/"exit" keyword.
3484         (cp_finalize_oacc_routine): Don't use %s to supply portions of the
3485         message.
3487 2017-02-27  Jason Merrill  <jason@redhat.com>
3489         PR c++/71568 - SFINAE forming pointer to member function
3490         * init.c (build_offset_ref): Check the return value of
3491         perform_or_defer_access_check.
3493 2017-02-27  Marek Polacek  <polacek@redhat.com>
3495         * decl.c (expand_static_init): Add missing } in a comment.
3497 2017-02-27  Volker Reichelt  <v.reichelt@netcologne.de>
3499         * init.c: Include intl.h.
3500         (build_new_1): Move message strings into pedwarn to make them
3501         -Wformat-security friendly. Mark string for translation.
3502         * pt.c (tsubst_copy_and_build): Mark string for translation.
3503         Make the pointer const.
3504         * semantics.c (finish_id_expression): Mark strings for translation.
3506 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
3508         * call.c (build_op_delete_call): Make msg1 and msg2 const.
3510 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
3512         PR c++/79588
3513         * call.c (build_over_call): Call check_function_arguments even for
3514         -Wrestrict, adjust check_function_arguments caller.
3515         * parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
3516         here.
3517         * typeck.c (cp_build_function_call_vec): Adjust
3518         check_function_arguments caller.
3520 2017-02-24  Marek Polacek  <polacek@redhat.com>
3522         PR translation/79705
3523         * decl.c (check_redeclaration_exception_specification): Mark a string
3524         for translation.  Make the pointer const.
3526 2017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>
3528         PR c++/79361
3529         * pt.c (register_specialization): Check duplicate_decls return value
3530         for error_mark_node and pass it back.
3532 2017-02-22  Jason Merrill  <jason@redhat.com>
3534         PR c++/79679 - missing destructor for argument
3535         * call.c (build_over_call): Don't pass tf_no_cleanup to argument
3536         conversions.
3538         * pt.c (do_class_deduction): Handle 0 argument case.
3540 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
3542         PR c++/79664
3543         * parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
3544         SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree.
3545         * constexpr.c (potential_constant_expression_1): Handle
3546         OMP_*, OACC_* and CILK_* trees.  Use error_at with
3547         EXPR_LOC_OR_LOC (t, input_location) computed early
3548         instead of error, or error_at with location_of (t).
3550 2017-02-22  Marek Polacek  <polacek@redhat.com>
3552         PR c++/79653
3553         * parser.c (cp_parser_std_attribute_spec): Don't build the attribute
3554         if the alignas expression is erroneous.
3555         * pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
3556         error_mark_node.
3558         PR c++/79657
3559         * semantics.c (finish_underlying_type): Bail out for incomplete enums.
3561 2017-02-21  Jason Merrill  <jason@redhat.com>
3563         PR c++/50308 - wrong deprecated warning with ADL
3564         PR c++/17729 - duplicate deprecated warning
3565         * semantics.c (finish_id_expression): Only call mark_used on a
3566         function if we aren't building a call.
3568         PR c++/41727 - ICE with partial spec of partial instantiation
3569         * pt.c (process_partial_specialization): For now, don't check more
3570         specialized if there is more than one level of args.
3572 2017-02-21  Marek Polacek  <polacek@redhat.com>
3574         PR c++/79535
3575         * cp-tree.h (maybe_reject_flexarray_init): Declare.
3576         * init.c (maybe_reject_flexarray_init): No longer static.
3577         Add check for current_function_decl.
3578         * parser.c (cp_parser_late_parse_one_default_arg): Reject
3579         a default mem-initializer for a flexible array.
3581 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3582             Paolo Carlini  <paolo.carlini@oracle.com>
3584         PR c++/79654
3585         * decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
3586         on error.
3587         * pt.c (tsubst_decomp_names): Return error_mark_node if the first
3588         decl after the decomposition artificial decl has error_mark_node.
3589         * decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
3590         instead of just == error_mark_node comparison.
3592 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3594         PR sanitizer/79589
3595         * decl.c: Include gimplify.h.
3596         (cp_finish_decomp): Make sure there is no sharing of trees
3597         in between DECL_VALUE_EXPR of decomposition decls.
3599         PR c++/79655
3600         * constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.
3602         PR c++/79639
3603         * constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
3604         call cplus_expand_constant on it first.
3606 2017-02-19  Jason Merrill  <jason@redhat.com>
3608         PR c++/78139 - destructor needed by new-expression
3609         * call.c (build_special_member_call): Use tf_no_cleanup.
3611         PR c++/78282 - auto template and pack expansion
3612         * pt.c (find_parameter_packs_r): Don't walk into the type of
3613         templates other than template template-parameters.
3615         PR c++/79606 - ICE with this->base_member in NSDMI
3616         * class.c (build_base_path): Check processing_template_decl.
3618         PR c++/79607 - ICE with T{} initializer
3619         * decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
3621         PR c++/79566 - elaborated-type-specifier in range for
3622         * parser.c (cp_parser_simple_declaration): Fix check for type
3623         definition.
3625         PR c++/79400 - confusing suggestion of 'noexcept'
3626         * parser.c (cp_parser_exception_specification_opt): Remove
3627         suggestion for deprecated dynamic exception-specification.
3629         PR c++/79470 - partial ordering with reference parameters
3630         * pt.c (unify) [INDIRECT_REF]: Handle pack expansions.
3632         PR c++/79500 - ICE with non-template deduction guide
3633         * pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than
3634         DECL_TEMPLATE_RESULT.
3636         PR c++/79580 - ICE with compound literal
3637         * parser.c (cp_parser_class_head): If we're in the middle of an
3638         expression, use ts_within_enclosing_non_class.
3640         PR c++/79503 - inherited ctor taking base class
3641         * call.c (add_function_candidate): Also check that
3642         DECL_INHERITED_CTOR_BASE is reference-related to the parameter type.
3644 2017-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
3646         PR c++/79380
3647         * typeck.c (cxx_alignas_expr): Reject a non-integral alignas
3648         argument.
3650 2017-02-19  Eric Fiselier  <eric@efcs.ca>
3651             Jonathan Wakely  <jwakely@redhat.com>
3653         PR c++/69523
3654         * parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to
3655         control warning about literal suffix identifiers without a leading
3656         underscore.
3658 2017-02-17  Jason Merrill  <jason@redhat.com>
3660         PR c++/79508 - lookup error with member template
3661         * parser.c (cp_parser_template_name): Clear
3662         parser->context->object_type if we aren't doing lookup.
3664         PR c++/78690 - ICE with using and global type with same name
3665         * pt.c (type_dependent_object_expression_p): True for
3666         IDENTIFIER_NODE.
3668         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
3669         * pt.c (convert_template_argument): Just return an auto arg pack.
3670         (tsubst_template_args): Don't tsubst an auto pack type.
3672         PR c++/79556 - C++17 ICE with non-type auto
3673         * pt.c (do_auto_deduction): Don't try to deduce from null type.
3675         PR c++/79533 - C++17 ICE with temporary cast to reference
3676         * call.c (build_over_call): Conversion to a reference prevents copy
3677         elision.
3679 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
3680             Jason Merrill  <jason@redhat.com>
3682         PR c++/79502 - lost nodiscard attribute
3683         * pt.c (apply_late_template_attributes): Do apply non-dependent
3684         attributes to types.
3686 2017-02-16  Jason Merrill  <jason@redhat.com>
3688         PR c++/78572 - ICE with self-modifying array initializer
3689         * constexpr.c (cxx_eval_store_expression): The object we're
3690         initializing is outside the constant-expression.
3691         (cxx_eval_call_expression): Set ctx->call.
3693         PR c++/79050 - ICE with undeduced auto and LTO
3694         * decl.c (poplevel): Remove undeduced auto decls.
3696 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
3698         PR c++/79512
3699         * parser.c (cp_parser_omp_target): For -fopenmp-simd
3700         ignore #pragma omp target even when not followed by identifier.
3702 2017-02-15  Jason Merrill  <jason@redhat.com>
3703             Jakub Jelinek  <jakub@redhat.com>
3705         PR c++/79464 - ICE in IPA with omitted constructor parms
3706         * class.c (build_clone): Also omit parms from TYPE_ARG_TYPES.
3707         (adjust_clone_args): Adjust.
3708         (add_method): Remember omitted parms.
3709         * call.c (add_function_candidate): Likewise.
3710         * mangle.c (write_method_parms): Likewise.
3711         * method.c (ctor_omit_inherited_parms): Return false if there are no
3712         parms to omit.
3714 2017-02-15  Martin Sebor  <msebor@redhat.com>
3716         PR c++/79363
3717         * init.c (maybe_reject_flexarray_init): New function.
3718         (perform_member_init): Call it.
3720 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
3722         PR c++/79301
3723         * parser.c (cp_parser_std_attribute): Don't pedwarn about
3724         [[deprecated]] with -std=c++11 and [[fallthrough]] with
3725         -std=c++11 and -std=c++14.
3727         PR c++/79288
3728         * decl.c (grokdeclarator): For static data members, handle thread_p
3729         only after handling inline.
3731 2017-02-14  Marek Polacek  <polacek@redhat.com>
3733         PR c++/79420
3734         PR c++/79463
3735         * parser.c (cp_parser_postfix_dot_deref_expression): Avoid
3736         clobbering if the postfix expression isn't an EXPR_P.
3738 2017-02-13  Jason Merrill  <jason@redhat.com>
3740         PR c++/79461 - ICE with lambda in constexpr constructor
3741         * constexpr.c (build_data_member_initialization): Ignore
3742         initialization of a local variable.
3744 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
3746         * init.c (warn_placement_new_too_small): Add missing space in
3747         diagnostics.
3748         * parser.c (cp_parser_oacc_declare): Likewise.
3749         * mangle.c (maybe_check_abi_tags): Likewise.
3751         PR c++/79232
3752         * typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs
3753         on lhs that have {PRE{DEC,INC}REMENT,MODIFY,MIN,MAX,COND}_EXPR
3754         in the rightmost operand.
3756 2017-02-13  Nathan Sidwell  <nathan@acm.org>
3758         PR c++/79296 - ICE mangling localized template instantiation
3759         * decl2.c (determine_visibility): Use template fn context for
3760         local class instantiations.
3762 2017-02-11  Jason Merrill  <jason@redhat.com>
3764         PR c++/77659 - ICE with new and C++14 aggregate NSDMI
3765         * init.c (build_new): Make backups of any CONSTRUCTORs in init.
3766         (build_new_1): Use replace_placeholders.
3767         * tree.c (replace_placeholders_t): Also track whether we've seen a
3768         placeholder.
3769         (replace_placeholders, replace_placeholders_r): Adjust.
3770         * cp-tree.h: Adjust.
3772         PR c++/77790 - ICE with auto function in C++11 mode
3773         * decl.c (undeduced_auto_decl): Remove C++14 limitation.
3774         (require_deduced_type): Add complain parm, return bool.
3775         * cp-tree.h: Adjust.
3776         * decl2.c (mark_used): Use require_deduced_type.
3778 2017-02-10  Jason Merrill  <jason@redhat.com>
3780         PR c++/78908 - template ops and bitfields
3781         * tree.c (build_min_non_dep): Use unlowered_expr_type.
3783         PR c++/78897 - constexpr union
3784         * constexpr.c (cxx_eval_store_expression): A store to a union member
3785         erases a previous store to another member.
3787         PR c++/71285 - member of fold-expression
3788         * semantics.c (finish_unary_fold_expr)
3789         (finish_binary_fold_expr): Use null type for fold-expressions.
3791         PR c++/79401 - protected inherited constructor
3792         * call.c (enforce_access): For inheriting constructor, find a base
3793         binfo in the path we already have.
3795 2017-02-10  Marek Polacek  <polacek@redhat.com>
3797         PR c++/79435
3798         * pt.c (type_dependent_expression_p): Check if the expression type
3799         is null.
3801         PR c++/79184
3802         * cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context
3803         if warnings shouldn't be given.
3805 2017-02-10  Paolo Carlini  <paolo.carlini@oracle.com>
3807         PR c++/71737
3808         * pt.c (tsubst_decl): Don't try to preserve a typedef that names
3809         an error_mark_node as type.
3811 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
3812             Jason Merrill  <jason@redhat.com>
3814         PR c++/79143
3815         * pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE
3816         from pattern to type.
3818 2017-02-09  Jason Merrill  <jason@redhat.com>
3820         PR c++/79316 - default argument in deduction guide
3821         PR c++/79350 - explicit deduction guide
3822         * parser.c (cp_parser_constructor_declarator_p)
3823         (cp_parser_direct_declarator): Parse deduction guides more like
3824         constructors.
3825         * cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
3826         * tree.c (special_function_p): Return it.
3827         * decl.c (check_special_function_return_type): Handle it.
3828         (grokdeclarator, grokfndecl): Adjust.
3829         (cp_finish_decl): Pass flags to do_auto_deduction.
3830         * error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
3831         * pt.c (dguide_name_p): Take a const_tree.
3832         (do_class_deduction): Handle explicit.
3833         (do_auto_deduction): Pass flags through.
3834         (build_deduction_guide): Copy explicit flag.
3836 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
3838         PR c++/79429
3839         * parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
3840         non-pragma_compound context here.
3841         (cp_parser_omp_target): Likewise.
3842         (cp_parser_pragma): Don't call push_omp_privatization_clauses and
3843         parsing for ordered and target omp pragmas in non-pragma_stmt
3844         non-pragma_compound contexts.
3846         PR c/79431
3847         * parser.c (cp_parser_oacc_declare): Formatting fix.
3848         (cp_parser_omp_declare_target): Don't invoke symtab_node::get on
3849         automatic variables.
3851 2016-02-09  Nathan Sidwell  <nathan@codesourcery.com>
3852             Chung-Lin Tang  <cltang@codesourcery.com>
3854         * parser.c (cp_parser_oacc_clause_tile): Disallow collapse.  Fix
3855         parsing.  Parse constant expression. Remove semantic checking.
3856         (cp_parser_omp_clause_collapse): Disallow tile.
3857         (cp_parser_omp_for_loop): Deal with tile clause.  Don't emit a parse
3858         error about missing for after already emitting one.  Use more
3859         conventional for idiom for unbounded loop.
3860         * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE.
3861         * semantics.c (finish_omp_clauses): Correct TILE semantic check.
3862         (finish_omp_for): Deal with tile clause.
3864 2017-02-07  Nathan Sidwell  <nathan@acm.org>
3866         * method.c (synthesized_method_base_walk): New.  Broken out of ...
3867         (synthesized_method_walk): ... here.  Call it.  Cleanup
3868         initializations.
3870 2017-02-07  Patrick Palka  <ppalka@gcc.gnu.org>
3872         PR c++/79360
3873         * typeck2.c (process_init_constructor_union): Consider only
3874         FIELD_DECLs when looking for an NSDMI.
3876 2017-02-06  Jason Merrill  <jason@redhat.com>
3878         PR c++/71193 - incomplete types in templates
3879         * parser.c (cp_parser_postfix_dot_deref_expression): In a template
3880         handle incomplete type by pedwarning and then treating as dependent.
3882 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
3884         PR c++/79379
3885         * constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR.
3886         (potential_constant_expression_1): Likewise.
3888         PR c++/79377
3889         * tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
3890         allow one fewer than expected arguments if flag_permissive.
3892         PR c++/79372
3893         * decl.c (cp_finish_decomp): On error set decl type to error_mark_node.
3894         * pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions
3895         with error_mark_node type.
3897 2017-02-03  Jason Merrill  <jason@redhat.com>
3899         PR c++/78689 - ICE on constructor with label
3900         * optimize.c (maybe_clone_body): Replace omitted parameters with
3901         null lvalues.
3902         * class.c (build_clone): Fix logic for omitting inherited parms.
3904         PR c++/12245 - excessive memory use
3905         * constexpr.c (maybe_constant_value): Fold maybe_constant_value_1
3906         back in.  Don't cache constants.
3907         (maybe_constant_init): Don't cache constants.
3909         PR c++/79294 - ICE with invalid template argument
3910         * pt.c (convert_nontype_argument_function): Check value-dependence.
3911         (convert_nontype_argument): Don't check it here for function ptrs.
3913 2017-02-02  Richard Biener  <rguenther@suse.de>
3915         PR cp/14179
3916         * cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy
3917         it lazily on the first changed element only and copy it
3918         fully upfront, only storing changed elements.
3920 2017-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
3922         PR c++/69637
3923         * decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL
3924         to the width.
3926 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
3928         PR c++/79304
3929         * error.c (dump_expr) <case COMPONENT_REF>: Don't print .
3930         after ARROW_EXPR.
3932 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
3934         PR c++/79298
3935         * name-lookup.c (suggest_alternative_in_explicit_scope): Resolve
3936         any namespace aliases.
3938 2017-01-31  Nathan Sidwell  <nathan@acm.org>
3940         PR c++/79290
3941         * typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
3943         PR c++/67273
3944         PR c++/79253
3945         * pt.c: (instantiate_decl): Push to top level when current
3946         function scope doesn't match.  Only push lmabda scope stack when
3947         pushing to top.
3949         * cp-tree.h (instantiate_decl): Make defer_ok bool.
3950         * pt.c: Fix instantiate_decl calls to pass true/false not 0/1
3951         (instantiate_decl): Simplify and reorder state saving and restoration.
3953         PR c++/79264
3954         * lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
3955         * semantics.c (finish_member_declaration): Assert class is being
3956         defined.
3958 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
3960         Introduce C++ support in libcc1.
3961         * cp-tree.h (struct lang_identifier): Add oracle_looked_up.
3962         (ansi_opname): Rename to...
3963         (cp_operator_id): ... this.  Adjust all callers.
3964         (ansi_assopname): Rename to...
3965         (cp_assignment_operator_id): ... this.  Adjust all callers.
3966         (cp_literal_operator_id): Declare.
3967         (set_global_friend): Declare.
3968         (is_global_friend): Declare.
3969         (enum cp_oracle_request): New type.
3970         (cp_binding_oracle_function): New type.
3971         (cp_binding_oracle): Declare.
3972         (cp_finish_injected_record_type): Declare.
3973         * friend.c (global_friend): New var.
3974         (set_global_friend): New fn.
3975         (is_global_friend): New fn.
3976         (is_friend): Call is_global_friend.
3977         * name-lookup.c (cp_binding_oracle): New var.
3978         (query_oracle): New fn.
3979         (qualified_lookup_using_namespace): Call query_oracle.
3980         (lookup_name_real_1): Likewise.
3981         * parser.c (cp_literal_operator_id): Drop static.
3982         * search.c (friend_accessible_p): Call is_global_friend.
3983         * semantics.c (is_this_parameter): Accept a variable if the
3984         binding oracle is enabled.
3986 2017-01-27  Jason Merrill  <jason@redhat.com>
3988         PR c++/78771 - ICE with inherited constructor.
3989         * call.c (build_over_call): Call deduce_inheriting_ctor here.
3990         * pt.c (tsubst_decl): Not here.
3991         * class.c (add_method): Or here.
3992         * method.c (deduce_inheriting_ctor): Handle clones.
3993         (implicitly_declare_fn): Don't deduce inheriting ctors yet.
3995 2017-01-27  Adam Butcher  <adam@jessamine.co.uk>
3997         PR c++/64382
3998         * cp/parser.c (parsing_default_capturing_generic_lambda_in_template):
3999         New function.
4000         * cp/cp-tree.h: Declare it.
4001         * cp/semantics.c (finish_id_expression): Resolve names within a default
4002         capturing generic lambda defined within a template prior to
4003         instantiation to allow for captures to be added to the closure type.
4005 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
4007         PR c++/68727
4008         * cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2.
4009         * cp-tree.h (finish_offsetof): Add OBJECT_PTR argument.
4010         * parser.c (cp_parser_builtin_offsetof): Pass result of
4011         build_static_cast of null_pointer_node to finish_offsetof.
4012         * semantics.c (finish_offsetof): Add OBJECT_PTR argument, use
4013         it for -Winvalid-offsetof pedwarn instead of trying to guess
4014         original offsetof type from EXPR.  Save OBJECT_PTR as a new
4015         second operand to OFFSETOF_EXPR.
4016         * pt.c (tsubst_copy_and_build) <case OFFSETOF_EXPR>: Adjust
4017         finish_offsetof caller, pass the second operand of OFFSETOF_EXPR
4018         as OBJECT_PTR.
4020 2017-01-26  Jason Merrill  <jason@redhat.com>
4022         * name-lookup.c (parse_using_directive): Deprecate strong using.
4024         PR c++/79176 - lambda ICE with -flto -Os
4025         * decl2.c (vague_linkage_p): Handle decloned 'tors.
4026         * tree.c (decl_linkage): Likewise.
4028 2017-01-25  Martin Sebor  <msebor@redhat.com>
4030         * decl.c (grokdeclarator): Fix a typo in a comment.
4032 2017-01-25  Jakub Jelinek  <jakub@redhat.com>
4034         PR c++/78896
4035         * decl.c (cp_finish_decomp): Disallow memberwise decomposition of
4036         lambda expressions.
4038         PR c++/77914
4039         * parser.c (cp_parser_lambda_declarator_opt): Pedwarn with
4040         OPT_Wpedantic on lambda templates for -std=c++14 and higher.
4042 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
4044         PR lto/79061
4045         * decl.c (cxx_init_decl_processing): Pass main_input_filename
4046         to build_translation_unit_decl.
4048 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
4050         PR c++/79205
4051         * cp-gimplify.c (cp_genericize_r): Add result of
4052         convert_from_reference on invisiref parm to p_set.
4054 2017-01-24  Nathan Sidwell  <nathan@acm.org>
4056         PR c++/78469 - defaulted ctor and inaccessible dtor
4057         * cp-tree.h (tsubst_flags): Add tf_no_cleanup.
4058         * init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
4059         * tree.c (build_target_expr): Check tf_no_cleanup.
4061         PR c++/79118 - anon-members and constexpr
4062         * constexpr.c (cx_check_missing_mem_inits): Caller passes type not
4063         ctor decl.  Recursively check anonymous members.
4064         (register_constexpr_fundef): Adjust cx_check_missing_mem_inits
4065         call.
4066         (explain_invalid_constexpr_fn): Likewise.
4068 2017-01-23  Nathan Sidwell  <nathan@acm.org>
4070         PR c++/71710 - template using directive of field
4071         * pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL
4072         check earlier.
4074         PR c++/71406 - ICE with scope-ref'd template id exprs
4075         PR c++/77508
4076         * typeck.c (finish_class_member_access_expr): Break up SCOPE_REF
4077         before breaking up TEMPLATE_ID_EXPR.
4079 2017-01-20  Nathan Sidwell  <nathan@acm.org>
4081         PR c++/78495 - wrong code inherited ctor and invisi-ref parm
4082         * cp-gimplify.c (cp_generize_r): Don't skip thunks.
4084 2017-01-20  David Malcolm  <dmalcolm@redhat.com>
4086         PR c++/77829
4087         PR c++/78656
4088         * cp-tree.h (suggest_alternatives_for): Add bool param.
4089         (suggest_alternative_in_explicit_scope): New decl.
4090         * error.c (qualified_name_lookup_error): When SCOPE is a namespace
4091         that isn't the global one, call new function
4092         suggest_alternative_in_explicit_scope, only calling
4093         suggest_alternatives_for if it fails, and disabling near match
4094         searches fort that case.  When SCOPE is the global namespace,
4095         pass true for new param to suggest_alternatives_for to allow for
4096         fuzzy name lookups.
4097         * lex.c (unqualified_name_lookup_error): Pass true for new param
4098         to suggest_alternatives_for.
4099         * name-lookup.c (consider_binding_level): Add forward decl.
4100         (suggest_alternatives_for): Add "suggest_misspellings" param,
4101         using it to conditionalize the fuzzy name-lookup code.
4102         (suggest_alternative_in_explicit_scope): New function.
4103         * parser.c (cp_parser_primary_expression): When calling
4104         finish_id_expression, pass location of id_expression rather
4105         than that of id_expr_token.
4106         (cp_parser_id_expression): Convert local "unqualified_id" from
4107         tree to cp_expr to avoid implicitly dropping location information.
4109 2017-01-20  Marek Polacek  <polacek@redhat.com>
4111         PR c/64279
4112         * call.c (build_conditional_expr_1): Warn about duplicated branches.
4113         * semantics.c (finish_expr_stmt): Build statement using the proper
4114         location.
4116 2017-01-19  Jason Merrill  <jason@redhat.com>
4118         US 20 - forwarding references and class template argument deduction
4119         * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New.
4120         * pt.c (push_template_decl_real): Set it.
4121         (maybe_adjust_types_for_deduction): Check it.
4122         (rewrite_template_parm): Copy it.
4124         US 19 - deduction guides and constructors
4125         * call.c (joust): Prefer deduction guides to constructors.
4126         * pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
4127         (deduction_guide_p): Check DECL_P.
4129         * decl.c (check_initializer): Always use build_aggr_init for array
4130         decomposition.
4132         PR c++/79130 - decomposition and direct-initialization
4133         * init.c (build_aggr_init): Communicate direct-initialization to
4134         build_vec_init.
4135         (build_vec_init): Check for array copy sooner.
4136         * parser.c (cp_parser_decomposition_declaration): Remove call to
4137         build_x_compound_expr_from_list.
4139 2017-01-18  Jason Merrill  <jason@redhat.com>
4141         PR c++/68666 - member variable template-id
4142         * typeck.c (finish_class_member_access_expr): Handle variable
4143         template-id.
4144         * pt.c (lookup_and_finish_template_variable): No longer static.
4145         * cp-tree.h: Declare it.
4147 2017-01-18  Nathan Sidwell  <nathan@acm.org>
4149         PR c++/78488
4150         * call.c (build_over_call): When checking ellipsis conversions for
4151         an inherited ctor, make sure there is at least one conversion.
4153 2017-01-18  Jason Merrill  <jason@redhat.com>
4155         PR c++/78894 - ICE with class deduction and default arg
4156         * pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE.
4158 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4160         PR c++/77489
4161         * mangle.c (write_discriminator): Reorganize abi warning check.
4163 2017-01-18  Nathan Sidwell  <nathan@acm.org>
4165         * cp-tree.h: Clarify exception spec node comment.
4166         * except.c (nothrow_spec_p): Simplify by checking node-equality.
4168         PR c++/79091
4169         * mangle.c (write_exception_spec): Check nothrow explicitly.
4170         (write_encoding): Don't increment processing_template_decl around
4171         encoding.
4173 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4175         PR c++/70182
4176         * mangle.c (write_template_args): Add "on" for operator names.
4178 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4180         PR c++/77489
4181         * mangle.c (write_discriminator): Handle discriminator >= 10.
4183 2017-01-17  Nathan Sidwell  <nathan@acm.org>
4185         PR c++/61636
4186         * cp-tree.h (maybe_generic_this_capture): Declare.
4187         * lambda.c (resolvable_dummy_lambda): New, broken out of ...
4188         (maybe_resolve_dummy): ... here.  Call it.
4189         (maybe_generic_this_capture): New.
4190         * parser.c (cp_parser_postfix_expression): Speculatively capture
4191         this in generic lambda in unresolved member function call.
4192         * pt.c (tsubst_copy_and_build): Force hard error from failed
4193         member function lookup in generic lambda.
4195 2017-01-17  Aldy Hernandez  <aldyh@redhat.com>
4197         PR c++/70565
4198         * cp-array-notation.c (expand_array_notation_exprs): Handle
4199         OMP_PARALLEL.
4201 2017-01-11  Jason Merrill  <jason@redhat.com>
4203         PR c++/78337 - ICE on invalid with generic lambda
4204         * semantics.c (process_outer_var_ref): Check if containing_function
4205         is null.  Move inform call under complain test.
4207 2017-01-11  Nathan Sidwell  <nathan@acm.org>
4209         PR c++/77812
4210         * name-lookup.c (set_namespace_binding_1): An overload of 1 decl
4211         is a new overload.
4213 2017-01-11  Nathan Sidwell  <nathan@acm.org>
4215         * name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation.
4217 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
4219         PR c++/78341
4220         * parser.c (cp_parser_std_attribute_spec): Remove over-eager
4221         assertion.  Formatting fix.
4223         PR c++/72813
4224         * decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
4225         writing PCH file.
4227 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
4229         PR c++/77949
4230         * parser.c (cp_parser_class_specifier_1): Only suggest inserting
4231         a missing semicolon if we have a valid insertion location for
4232         the fix-it hint.
4234 2017-01-10  Jason Merrill  <jason@redhat.com>
4236         FI 20, decomposition declaration with parenthesized initializer.
4237         * parser.c (cp_parser_decomposition_declaration): Use
4238         cp_parser_initializer.
4240 2017-01-09  Jason Merrill  <jason@redhat.com>
4242         Implement P0195R2, C++17 variadic using.
4243         * parser.c (cp_parser_using_declaration): Handle ellipsis and comma.
4244         * pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE.
4245         * error.c (dump_decl): Likewise.
4247 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
4249         PR translation/79019
4250         PR translation/79020
4251         * semantics.c (finish_omp_clauses): Add missing whitespace to
4252         translatable strings.
4253         * cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo.
4255 2017-01-07  Jason Merrill  <jason@redhat.com>
4257         PR c++/78948 - instantiation from discarded statement
4258         * parser.h (struct cp_parser): Remove in_discarded_stmt field.
4259         * cp-tree.h (in_discarded_stmt): Declare it.
4260         (struct saved_scope): Add discarded_stmt bitfield.
4261         (in_discarded_stmt): New macro.
4262         * decl2.c (mark_used): Check it.
4263         * parser.c (cp_parser_selection_statement): Adjust.
4264         (cp_parser_jump_statement): Adjust.
4266 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
4268         PR c++/78931
4269         * decl.c (cp_finish_decomp): Remove probe variable, if tt is
4270         REFERENCE_REF_P, set tt to its operand.
4272         PR c++/78890
4273         * class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
4274         unions even for C++11 and later.
4276 2017-01-05  Nathan Sidwell  <nathan@acm.org>
4278         PR c++/78765
4279         * pt.c (convert_nontype_argument): Don't try and see if integral
4280         or enum expressions are constants prematurely.
4282 2017-01-04  Marek Polacek  <polacek@redhat.com>
4284         PR c++/64767
4285         * typeck.c (cp_build_binary_op): Warn when a pointer is compared with
4286         a zero character literal.
4288 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
4290         PR c++/78949
4291         * typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
4292         vector type.
4294         PR c++/78693
4295         * parser.c (cp_parser_simple_declaration): Only complain about
4296         inconsistent auto deduction if auto_result doesn't use auto.
4298         * parser.c (cp_parser_simple_declaration): Diagnose function
4299         declaration among more than one init-declarators with auto
4300         specifier.
4302         PR c++/71182
4303         * parser.c (cp_lexer_previous_token): Use vec_safe_address in the
4304         assertion, as lexer->buffer may be NULL.
4306 2017-01-04  Marek Polacek  <polacek@redhat.com>
4308         PR c++/77545
4309         PR c++/77284
4310         * constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
4312 2017-01-04  Nathan Sidwell  <nathan@acm.org>
4314         PR c++/66735
4315         * cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
4316         (lambda_capture_field_type): Update prototype.
4317         * lambda.c (lambda_capture_field_type): Add is_reference parm.
4318         Add referenceness here.
4319         (add_capture): Adjust lambda_capture_field_type call, refactor
4320         error checking.
4321         * pt.c (tsubst): Adjust lambda_capture_field_type call.
4323 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
4325         Update copyright years.
4327 Copyright (C) 2017 Free Software Foundation, Inc.
4329 Copying and distribution of this file, with or without modification,
4330 are permitted in any medium without royalty provided the copyright
4331 notice and this notice are preserved.