[PR c++/82424] Dont convert dependent types
[official-gcc.git] / gcc / cp / ChangeLog
blobb2813ebf21187413f71a8c820f1f6992a74ab074
1 2017-10-06  Nathan Sidwell  <nathan@acm.org>
3         PR c++/82424
4         * name-lookup.c (check_local_shadow): Don't try and convert
5         dependent types.
7 2017-10-06  Jakub Jelinek  <jakub@redhat.com>
9         PR c++/82299
10         * decl.c (reshape_init): Suppress warn_useless_cast for direct enum
11         init.
12         * typeck.c (convert_for_assignment): Likewise.
14         P0704R1 - fixing const-qualified pointers to members
15         * typeck2.c (build_m_component_ref): For -std=c++2a allow
16         pointer to const & qualified method on rvalue.
18 2017-10-06  Nathan Sidwell  <nathan@acm.org>
20         Use hash_table for extern "C" names
21         * name-lookup.c (extern_c_fns): Use hash_table.
22         (check_extern_c_conflict): Adjust.
23         (c_linkage_bindings): Adjust.
25         Use hash_table for namespace bindings
26         * cp-tree.h (struct named_decl_hash): New.
27         (lang_decl_ns): Change type of bindings field.
28         * lex.c (maybe_add_lang_decl_raw): Adjust.
29         * name-lookup.c (find_namespace_slot): Adjust.
30         (do_pushdecl): Push NULL-named namespace.
31         (do_push_nested_namespace): Adjust.
32         (push_namespace): Push anonymous namespace as NULL name.
34 2017-10-05  Jason Merrill  <jason@redhat.com>
36         Pass variadic class objects exactly like named by-value args.
37         * call.c (convert_arg_to_ellipsis): Use the result of force_rvalue.
39 2017-10-05  Nathan Sidwell  <nathan@acm.org>
41         Warn on MVP declarations
42         * cp-tree.h (struct cp_declarator): Add parenthesized field.
43         * decl.c (grokdeclarator): Warn about unnecessary parens.
44         * parser.c (make_declarator): Init parenthesized field.
45         (cp_parser_direct_declarator): Set parenthesized field.
47         Kill IDENTIFIER_GLOBAL_VALUE, SET_IDENTIFIER_GLOBAL_VALUE
48         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
49         SET_IDENTIFIER_GLOBAL_VALUE): Delete.
50         * name-lookup.h (set_global_binding): Remove NAME parm.
51         (get_global_binding): New inline fn.
52         * name-lookup.c (set_global_binding): Remove NAME parm. Adjust.
53         (identifier_global_value): Move to ...
54         * cp-objcp-common.c (identifier_global_value): ... here.
55         * class.c (build_ctor_vtbl_group, build_vtbl_initializer): Adjust.
56         * decl.c (record_builtin_type, expand_static_init,
57         grokdeclarator): Adjust.
58         * decl2.c (get_guard, get_local_tls_init_fn, get_tls_init_fn,
59         get_tls_wrapper_fn, maybe_warn_sized_delete): Adjust.
60         * except.c (declare_library_fn, build_throw): Adjust.
61         * init.c (throw_bad_array_length): Adjust.
62         * rtti.c (throw_bad_cast, throw_bad_typeid, get_tinfo_decl): Adjust.
64         * decl2.c (record_mangling): Fix spello and formatting from
65         previous patch.
67 2017-10-04  Nathan Sidwell  <nathan@acm.org>
69         Give builtin types the correct name.
70         * name-lookup.c (set_global_binding): Assert name is DECL_NAME.
71         * decl.c (record_builtin_type): Reimplement, use new TYPE_DECL for
72         rname.
74 2017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>
75             Andrew Pinski  <apinski@cavium.com>
77         PR c++/71946
78         * parser.c (cp_parser_lambda_body): Set parser->in_function_body.
80 2017-10-04  Nathan Sidwell  <nathan@acm.org>
82         Move mangling aliases out of global namespace.
83         * cp-tree.h (record_mangling): New.
84         (maybe_remove_implicit_alias): Delete.
85         * decl2.c (mangled_decls): New hash map.
86         (generate_mangling_alias): Reimplement using mangled_decls.
87         (record_mangling): New.
88         * mangle.c (decl_implicit_alias_p,
89         maybe_remove_implicit_alias): Delete.
90         (mangle_decl): Use record_mangling.
91         * name-lookup.c (supplement_binding_1): Remove
92         maybe_remove_implicit_alias check.
94 2017-10-04  Jakub Jelinek  <jakub@redhat.com>
96         PR c++/82373
97         * error.c (dump_function_decl): If show_return, call dump_type_suffix
98         on the same return type dump_type_prefix has been called on.
100 2017-10-04  Jason Merrill  <jason@redhat.com>
102         PR c++/81525 - broken handling of auto in generic lambda.
103         * pt.c (tsubst_decl) [VAR_DECL]: Use strip_innermost_template_args.
105 2017-10-04  Nathan Sidwell  <nathan@acm.org>
107         * call.c (convert_arg_to_ellipsis): Correct comment about passing
108         by reference.
110 2017-10-02  Richard Sandiford  <richard.sandiford@linaro.org>
112         * constexpr.c (cxx_eval_store_expression): Use wi::to_widest
113         when comparing the array bounds with an ARRAY_REF index.
115 2017-09-30  Paolo Carlini  <paolo.carlini@oracle.com>
117         PR c++/68754
118         * method.c (defaulted_late_check): Early return if the defaulted
119         declaration does not match the expected signature.
121 2017-09-29  Jakub Jelinek  <jakub@redhat.com>
123         P0683R1 - default member initializers for bit-fields
124         * cp-tree.h (grokbitfield): Add INIT parameter.
125         * parser.c (cp_parser_constant_expression): Add STRICT_P argument,
126         if true, parse a conditional-expression rather than
127         assignment-expression.
128         (cp_parser_member_declaration): For C++11 and later pass true
129         as STRICT_P to cp_parser_constant_expression.  Parse C++2A bitfield
130         NSDMIs.  Adjust grokbitfield caller.  Handle DECL_INITIAL also for
131         DECL_C_BIT_FIELDs.
132         (cp_parser_objc_class_ivars): Adjust grokbitfield caller.
133         * class.c (check_field_decl): Recurse even for DECL_C_BIT_FIELDs.
134         (check_field_decls): Call check_field_decl even for DECL_C_BIT_FIELDs.
135         * decl2.c (grokbitfield): Add INIT parameter, pass it to
136         cp_finish_decl.
137         * pt.c (tsubst_decl): Handle DECL_INITIAL for all FIELD_DECLs, not
138         just non-bitfields.
140         * class.c (check_bitfield_decl): Retrieve and clear width from
141         DECL_BIT_FIELD_REPRESENTATIVE rather than DECL_INITIAL.
142         (check_field_decls): Test DECL_BIT_FIELD_REPRESENTATIVE rather than
143         DECL_INITIAL.
144         (remove_zero_width_bit_fields): Adjust comment.
145         * decl2.c (grokbitfield): Stash width into
146         DECL_BIT_FIELD_REPRESENTATIVE rather than DECL_INITIAL.
147         * pt.c (tsubst_decl): For DECL_C_BIT_FIELD, tsubst_expr
148         DECL_BIT_FIELD_REPRESENTATIVE rather than DECL_INITIAL for width.
150         * parser.c (cp_parser_member_declaration): Parse attributes before
151         colon of a bitfield in addition to after colon.
153         * Make-lang.in (check-c++-all): Test also c++2a.
155 2017-09-28  Jason Merrill  <jason@redhat.com>
157         PR c++/56973, DR 696 - capture constant variables only as needed.
158         * expr.c (mark_use): Split out from mark_rvalue_use and
159         mark_lvalue_use.  Handle lambda capture of constant variables.
160         (mark_lvalue_use_nonread): New.
161         * semantics.c (process_outer_var_ref): Don't capture a constant
162         variable until forced.
163         * pt.c (processing_nonlambda_template): New.
164         * call.c (build_this): Check it.
165         * decl2.c (grok_array_decl): Call mark_rvalue_use and
166         mark_lvalue_use_nonread.
167         * init.c (constant_value_1): Don't call mark_rvalue_use.
168         * typeck.c (build_static_cast): Handle lambda capture.
170         Use local_specializations to find capture proxies.
171         * cp-tree.h (DECL_CAPTURED_VARIABLE): New.
172         * lambda.c (build_capture_proxy): Set it.
173         (add_capture): Pass initializer to build_capture_proxy.
174         (start_lambda_function): Likewise.
175         (insert_capture_proxy): Use register_local_specialization.
176         (is_lambda_ignored_entity): Always ignore proxies.
177         * name-lookup.c (qualify_lookup): Don't check
178         is_lambda_ignored_entity if LOOKUP_HIDDEN is set.
179         * semantics.c (process_outer_var_ref): Use
180         retrieve_local_specialization.
181         * parser.c (cp_parser_lambda_body): Push local_specializations.
182         * pt.c (tsubst_expr): Pass LOOKUP_HIDDEN when looking for a proxy.
183         (tsubst_lambda_expr): Push local_specializations sooner.
184         (tsubst_copy_and_build): Don't register_local_specialization.
186         * call.c (build_special_member_call): Use the return value of
187         mark_lvalue_use.
188         * decl.c (compute_array_index_type): Likewise.
189         * parser.c (cp_parser_oacc_wait_list): Likewise.
190         * lambda.c (is_normal_capture_proxy): Handle *this capture.
191         (add_capture): Clarify internal_error message.
193 2017-09-22  Eric Botcazou  <ebotcazou@adacore.com>
195         PR bootstrap/81926
196         * cp-objcp-common.c (cp_get_debug_type): Do only one lookup.
198 2017-09-22  Jakub Jelinek  <jakub@redhat.com>
200         PR sanitizer/81929
201         * tree.c (struct replace_placeholders_t): Add pset field.
202         (replace_placeholders_r): Call cp_walk_tree with d->pset as
203         last argument instead of NULL.  Formatting fix.
204         (replace_placeholders): Add pset variable, add its address
205         into data.  Pass &pset instead of NULL to cp_walk_tree.
207 2017-09-22  David Malcolm  <dmalcolm@redhat.com>
209         * call.c (get_fndecl_argument_location): New function.
210         (convert_like_real): Use it  when complaining about argument type
211         mismatches.
212         * cp-tree.h (struct cp_parameter_declarator): Add "loc" field.
213         * parser.c (make_parameter_declarator): Add "loc" param and use
214         it to initialize the new field.
215         (cp_parser_translation_unit): Add UNKNOWN_LOCATION for "loc" of
216         the "no_parameters" parameter.
217         (cp_parser_parameter_declaration_list): Set the location of the
218         result of grokdeclarator to be the parameter's loc, assuming no
219         errors.
220         (cp_parser_parameter_declaration): Generate a location for the
221         parameter and pass to make_parameter_declarator.
223 2017-09-20  Nathan Sidwell  <nathan@acm.org>
225         * name-lookup.c (member_name_cmp): Use DECL_UID for final
226         ordering.
228 2017-09-20  Jakub Jelinek  <jakub@redhat.com>
230         P0409R2 - allow lambda capture [=, this]
231         * parser.c (cp_parser_lambda_introducer): For cxx2a don't pedwarn on
232         redundant [=, this].
234 2017-09-18  Jason Merrill  <jason@redhat.com>
236         PR c++/82069 - ICE with lambda in template
237         * semantics.c (process_outer_var_ref): Check uses_template_parms
238         instead of any_dependent_template_arguments_p.
240 2017-09-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
241             Paolo Carlini  <paolo.carlini@oracle.com>
243         PR c++/64644
244         * decl2.c (finish_anon_union): Complain about "anonymous union with
245         no members" with a pedwarn.
247 2017-09-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
249         * typeck.c (build_reinterpret_cast_1,
250         build_const_cast_1): Implement -Wcast-align=strict.
252 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
254         * decl.c (redeclaration_error_message): Use cxx17 instead of cxx1z,
255         adjust diagnostics refering to C++1z or -std=gnu++1z or -std=c++1z
256         to C++17 or -std=gnu++17 or -std=c++17.  Adjust comments.
257         (cxx_init_decl_processing, next_initializable_field,
258         is_direct_enum_init, check_initializer, cp_finish_decl,
259         mark_inline_variable, grokdeclarator, grokparms, xref_basetypes,
260         finish_function): Likewise.
261         * cp-tree.h (DECL_INLINE_VAR_P): Likewise.
262         * pt.c (mark_template_parm, convert_nontype_argument,
263         instantiate_class_template_1, type_unification_real, unify,
264         get_partial_spec_bindings, dependent_type_p_r): Likewise.
265         * typeck.c (cp_build_unary_op): Likewise.
266         * constexpr.c (var_in_maybe_constexpr_fn): Likewise.
267         * call.c (build_user_type_conversion_1, build_over_call,
268         build_special_member_call): Likewise.
269         * lambda.c (begin_lambda_type): Likewise.
270         * typeck2.c (process_init_constructor_record): Likewise.
271         * class.c (build_base_field, finalize_literal_type_property,
272         explain_non_literal_class): Likewise.
273         * parser.c (cp_parser_diagnose_invalid_type_name,
274         cp_parser_primary_expression, cp_parser_lambda_introducer,
275         cp_parser_lambda_declarator_opt, cp_parser_selection_statement,
276         cp_convert_range_for, cp_parser_perform_range_for_lookup,
277         cp_parser_decomposition_declaration, cp_parser_linkage_specification,
278         cp_parser_static_assert, cp_parser_simple_type_specifier,
279         cp_parser_namespace_definition, cp_parser_using_declaration,
280         cp_parser_init_declarator, cp_parser_type_parameter_key,
281         cp_parser_exception_specification_opt, cp_parser_std_attribute_spec,
282         cp_parser_constructor_declarator_p): Likewise.
283         * mangle.c (struct globals): Rename need_cxx1z_warning to
284         need_cxx17_warning.
285         (write_exception_spec, start_mangling, mangle_decl): Likewise.
286         * Make-lang.in (check-c++1z): Rename to check-c++17, depend on
287         it.
288         (check-c++17): New goal.  Use 17 instead of 1z.
289         (check-c++-all): Use 17 instead of 1z.
291 2017-09-14  Jakub Jelinek  <jakub@redhat.com>
293         PR c++/81314
294         * cp-gimplify.c (omp_var_to_track): Look through references.
295         (omp_cxx_notice_variable): Likewise.
297 2017-09-13  Nathan Sidwell  <nathan@acm.org>
299         Conv-op identifers not in identifier hash table
300         * lex.c (conv_type_hasher): Make member fns inline.
301         (make_conv_op_name): Directly clone conv_op_identifier.
303         Rename CLASSTYPE_METHOD_VEC to CLASSTYPE_MEMBER_VEC.
304         * cp-tree.h (struct lang_type): Rename methods to members.
305         (CLASSTYPE_METHOD_VEC): Rename to ...
306         (CLASSTYPE_MEMBER_VEC): ... this.
307         * name-lookup.h (get_method_slot): Rename to ...
308         (get_member_slot): ... this.
309         (resort_type_method_vec): Rename to ...
310         (resort_type_member_vec): ... this.
311         * class.c (add_method, warn_hidden): Adjust.
312         * search.c (dfs_locate_field_accessor_pre): Adjust.
313         * name-lookup.c (method_vec_binary_search): Rename to ...
314         (member_vec_binary_search): ... this and adjust.
315         (method_vec_linear_search): Rename to ...
316         (member_vec_linear_search): ... this and adjust.
317         (fields_linear_search, get_class_binding_direct): Adjust.
318         (get_method_slot): Rename to ...
319         (get_member_slot): ... this and adjust.
320         (method_name_slot): Rename to ...
321         (member_name_slot): ... this and adjust.
322         (resort_type_method_vec): Rename to ...
323         (resort_type_member_vec): ... this and adjust.
324         (method_vec_append_class_fields): Rename to ...
325         (member_vec_append_class_fields): ... this and adjust.
326         (method_vec_append_enum_values): Rename to ...
327         (member_vec_append_enum_values): ... this and adjust.
328         (method_vec_dedup): Rename to ...
329         (member_vec_dedup): ... this and adjust.
330         (set_class_bindings, insert_late_enum_def_bindings): Adjust.
331         
332 2017-09-12  Paolo Carlini  <paolo.carlini@oracle.com>
334         PR c++/70621
335         * decl.c (start_decl): Early return error_mark_node if duplicate_decls
336         returns it; avoid misleading error message.
338 2017-09-12  Nathan Sidwell  <nathan@acm.org>
340         Kill CLASSTYPE_SORTED_FIELDS.
341         * cp-tree.h (struct lang_type): Lose sorted_fields member.
342         (CLASSTYPE_SORTED_FIELDS): Delete.
343         * name-lookup.h (set_class_bindings): Add EXTRA arg.
344         * name-lookup.c (fields_linear_search): New, broken out of ...
345         (lookup_field_1): ... here.  Delete remainder of function.
346         (get_class_binding_direct): Reimplement without sorted_fields.
347         (get_class_binding): Rename TYPE arg to KLASS, for consistency.
348         (get_method_slot): Call set_class_binding when creating method_vec
349         on complete type.
350         (method_name_cmp): Order identically named slots.
351         (sorted_fields_type_new): Delete.
352         (field_vc_append_class_fields): Rename to ...
353         (method_vec_append_class_fields): ... here.  Adjust.
354         (field_vec_append_enum_values): Renme to ...
355         (method_vec_append_enum_values): ... here. Adjust.
356         (method_vec_dedup): New.
357         (set_class_bindings): Reimplement.
358         (insert_late_enum_def_bindings): Reimplement.
360         * name-lookup.c (get_class_binding): Rename TYPE arg to KLASS for
361         consistency.
362         (restort_data): Move later.
363         (method_name_cmp, resort_method_name_cmp): Simplify.
364         (resort_type_method_vec): Reformat.
366 2017-09-09  Jason Merrill  <jason@redhat.com>
368         * constexpr.c (reduced_constant_expression_p): If
369         CONSTRUCTOR_NO_IMPLICIT_ZERO, check that all fields are initialized.
371 2017-09-09  Eric Botcazou  <ebotcazou@adacore.com>
373         PR bootstrap/81926
374         * cp-objcp-common.c (struct debug_type_hasher): New class.
375         (debug_type_hash): New variable.
376         (cp_get_debug_type): Associate the OFFSET_TYPEs with the types.
378 2017-09-08  Jason Merrill  <jason@redhat.com>
380         PR c++/70029 - ICE with ref-qualifier and -flto
381         * tree.c (cxx_copy_lang_qualifiers): New.
382         * cp-tree.h: Declare it.
383         * cp-objcp-common.h: Define LANG_HOOKS_COPY_LANG_QUALIFIERS.
385 2017-09-06  Jason Merrill  <jason@redhat.com>
387         PR c++/82053 - ICE with default argument in lambda in template
388         * pt.c (tsubst_arg_types): Substitute default arguments for lambdas
389         in templates.
390         (retrieve_specialization): Use lambda_fn_in_template_p.
391         * cp-tree.h: Declare it.
393         PR c++/82070 - error with nested lambda capture
394         * pt.c (tsubst_expr) [DECL_EXPR]: Register capture proxies with
395         register_local_specialization.
397 2017-09-06  Nathan Sidwell  <nathan@acm.org>
399         * name-lookup.h (lookup_field_1): Delete.
400         (get_class_binding_direct, get_class_binding): Add type_or_fns arg.
401         * name-lookup.c (lookup_field_1): make static
402         (method_vec_binary_search, method_vec_linear_search): New.  Broken
403         out of ...
404         (get_class_binding_direct): ... here.  Add TYPE_OR_FNS argument.
405         Do complete search of this level.
406         (get_class_binding): Adjust.
407         * decl.c (reshape_init_class): Call get_class_binding.
408         * search.c (lookup_field_r): Move field searching into
409         get_class_binding_direct.
411         * class.c (warn_hidden): Don't barf on non-functions.
412         * decl2.c (check_classfn): Likewise.  Check template match earlier.
414         * name-lookup.c (count_fields): Rename to ...
415         (count_class_fields): ... here.  Take a class, don't count
416         NULL-named fields.
417         (add_fields_to_record_type): Rename to ...
418         (field_vec_append_class_fields): ... here.  Take a class, don't
419         add NULL-named fields.
420         (add_enum_fields_to_record_type): Rename to ...
421         (field_vec_append_enum_values): ... here.
422         (set_class_bindings): Adjust, assert we added expected number.
423         (insert_late_enum_def_bindings): Reimplement.  Create vector if
424         there are now sufficient entries.
426         * name-lookup.h (lookup_fnfields_slot_nolazy,
427         lookup_fnfields_slot): Rename to ...
428         (get_class_binding_direct, get_class_binding): ... here.
429         * name-lookup.c (lookup_fnfields_slot_nolazy,
430         lookup_fnfields_slot): Rename to ...
431         (get_class_binding_direct, get_class_binding): ... here.
432         * cp-tree.h (CLASSTYPE_CONSTRUCTORS, CLASSTYPE_DESTRUCTOR): Adjust.
433         * call.c (build_user_type_conversion_1): Adjust.
434         (has_trivial_copy_assign_p): Adjust.
435         (has_trivial_copy_p): Adjust.
436         * class.c (get_basefndecls) Adjust.
437         (vbase_has_user_provided_move_assign) Adjust.
438         (classtype_has_move_assign_or_move_ctor_p): Adjust.
439         (type_build_ctor_call, type_build_dtor_call): Adjust.
440         * decl.c (register_dtor_fn): Adjust.
441         * decl2.c (check_classfn): Adjust.
442         * pt.c (retrieve_specialization): Adjust.
443         (check_explicit_specialization): Adjust.
444         (do_class_deduction): Adjust.
445         * search.c (lookup_field_r): Adjust.
446         (look_for_overrides_here, lookup_conversions_r): Adjust.
447         * semantics.c (classtype_has_nothrow_assign_or_copy_p): Adjust.
448         * tree.c (type_has_nontrivial_copy_init): Adjust.
449         * method.c (lazily_declare_fn): Adjust comment.
451 2017-09-05  Nathan Sidwell  <nathan@acm.org>
453         * name-lookup.c (do_class_using_decl): Elide read-once temps.
454         Move declarations to initializations.
456         * class.c (add_method): Move slot search and insertion to ...
457         * name-lookup.c (get_method_slot): ... this new function.
458         (lookup_fnfields_slot_nolazy): Cope with NULL slot.
459         * name-lookup.h (get_method_slot): Declare.
460         * decl.c (cxx_init_decl_processinng): Give conv_op_marker a more
461         realistic type.
462         (grok_special_member_properties): Set
463         TYPE_HAS_CONVERSION. Expicitly look at DECL_NAME for specialness.
464         Improve TYPE_HAS_CONSTEXPR_CTOR setting.        
466         * cp-tree.h (lang_decl_base): Rename template_conv_p to
467         unknown_bound_p.
468         (DECL_CONV_FN_P): Don't check NULL DECL_NAME.
469         (DECL_CONV_FN_TYPE): FN must be conv op.
470         (DECL_TEMPLATE_CONV_FN_P): Delete.
471         (VAR_HAD_UNKNOWN_BOUND, SET_VAR_HAD_UNKNOWN_BOUND): Adjust.
472         * pt.c (push_template_decl_real): Delete DECL_TEMPLATE_CONV_FN_P
473         setting.
475         * class.c (unreverse_member_declarations): Remove extraneous if.
476         * pt.c (push_template_decl_real): Use string concatenation, not
477         \<newline>.  Add %<..%>.
479 2017-09-05  Paolo Carlini  <paolo.carlini@oracle.com>
481         PR c++/81942
482         * cp-tree.h (LABEL_DECL_CDTOR): Add and document.
483         * decl.c (start_preparsed_function): Set LABEL_DECL_CDTOR when
484         creating cdtor_label.
485         * constexpr.c (returns): Add the case of a constructor/destructor
486         returning via a LABEL_DECL_CDTOR label.
487         (cxx_eval_constant_expression, case [GOTO_EXPR]): Likewise.
489 2017-09-01  Nathan Sidwell  <nathan@acm.org>
491         * cp-tree.h (resort_type_method_vec): Move declaration to ...
492         * name-lookup.h (resort_type_method_vec): ... here.
493         (set_class_bindings): Lose 2nd arg.
494         * class.c (finish_struct_1, finish_struct): Adjust
495         set_class_bindings call.  Don't call finish_struct_methods.
496         (resort_data, method_name_cmp, resort_method_name_cmp,
497         resort_type_method_vec, finish_struct_methods): Move to ...
498         * name-lookup.c (resort_data, method_name_cmp,
499         resort_method_name_cmp, resort_type_method_vec): ... here.
500         (set_class_bindings): Lose fields arg.  Swallow finish_struct_methods.
502         * class.c (finish_struct): Call set_class_bindings for the
503         template case too.
505         * class.c (finish_struct_methods): Dont clear DECL_IN_AGGR_P here.
506         Don't call maybe_warn_about_overly_private_class here.
507         (warn_hidden): Cleanup declarations and comments.
508         (type_has_user_provided_constructor): No need to check
509         CLASSTYPE_METHOD_VEC.
510         (type_has_user_provided_or_explicit_constructor): Likewise.
511         (classtype_has_move_assign_or_move_ctor_p): Likewise.
512         (check_bases_and_members): Don't call finish_struct_methods here.
513         (finish_struct_1): Call finish_struct_methods and
514         set_class_bindings immediately after layout.  Clear DECL_IN_AGGR_P
515         here.
516         (finish_struct): For templates process USING_DECLS and clear
517         DECL_IN_AGGR_P before calling finish_struct_methods. Call
518         maybe_warn_about_overly_private_class here.
520         Revert 2017-08-28  Nathan Sidwell  <nathan@acm.org>
521         Restore sorted_fields vector.
522         * cp-tree.h (lang_type): Restore sorted_fields vector.
523         (CLASSTYPE_SORTED_FIELDS): Restore.
524         (CLASSTYPE_BINDINGS): Delete.
525         * name-lookup.c (lookup_field_1): Restore binary search.
526         (sorted_fields_type_new, count_fields,
527         add_fields_to_record_type, add_enum_fields_to_record_type): Restore
528         (set_class_bindings): Revert.
529         (insert_late_enum_def_binding): Restore field_vec insertion.
531 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
533         PR c/81887
534         * parser.c (cp_parser_omp_ordered): Handle -fopenmp-simd.
536 2017-09-01  Marek Polacek  <polacek@redhat.com>
538         PR c++/82040
539         * typeck.c (cp_build_unary_op): Avoid re-entering reporting routines.
541 2017-08-30  Jason Merrill  <jason@redhat.com>
543         PR c++/82029 - __PRETTY_FUNCTION__ in lambda in template
544         * pt.c (enclosing_instantiation_of, lambda_fn_in_template_p)
545         (regenerated_lambda_fn_p): New.
546         (tsubst_decl) [VAR_DECL]: Use enclosing_instantiation_of.
547         (tsubst_copy) [VAR_DECL]: Likewise.
549         PR c++/82030 - ICE inheriting from multiple lambdas
550         PR c++/80767
551         * call.c (compare_ics): Handle null candidate.
553 2017-08-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
555         Make taking the address of an overloaded function a non-deduced context
557         * pt.c (unify_overload_resolution_failure): Remove.
558         (unify_one_argument): Adjust.
560 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
561             Alan Hayward  <alan.hayward@arm.com>
562             David Sherwood  <david.sherwood@arm.com>
564         * typeck.c (cp_build_binary_op): Use SCALAR_TYPE_MODE.
566 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
567             Alan Hayward  <alan.hayward@arm.com>
568             David Sherwood  <david.sherwood@arm.com>
570         * cvt.c (cp_convert_to_pointer): Use SCALAR_INT_TYPE_MODE.
572 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
573             Alan Hayward  <alan.hayward@arm.com>
574             David Sherwood  <david.sherwood@arm.com>
576         * mangle.c (write_real_cst): Use SCALAR_FLOAT_TYPE_MODE
577         instead of TYPE_MODE.
579 2017-08-29  Jason Merrill  <jason@redhat.com>
581         PR c++/81236 - ICE with template-id in generic lambda
582         * semantics.c (finish_id_expression): Remove special dependent case.
583         Avoid some later pieces when dependent.
584         (finish_qualified_id_expr): Do normal BASELINK handling in a
585         template.  Always build a SCOPE_REF for a destructor BIT_NOT_EXPR.
586         (parsing_default_capturing_generic_lambda_in_template): Remove.
587         * parser.c (cp_parser_postfix_dot_deref_expression): Always give an
588         error for types that will never be complete.
589         * mangle.c (write_expression): Add sanity check.
590         * tree.c (build_qualified_name): Add sanity check.
591         (cp_walk_subtrees): Walk into the class context of a BASELINK.
592         * lambda.c (add_capture): Improve diagnostic for generic lambda
593         capture failure.
594         * call.c (build_new_method_call_1): Print the right constructor
595         name.
597         Reimplement handling of lambdas in templates.
598         * cp-tree.h (LAMBDA_FUNCTION_P): Check DECL_DECLARES_FUNCTION_P.
599         * decl.c (start_preparsed_function): Call start_lambda_scope.
600         (finish_function): Call finish_lambda_scope.
601         * init.c (get_nsdmi): Call start/finish_lambda_scope.
602         * lambda.c (start_lambda_scope): Only ignore VAR_DECL in a function.
603         * parser.c (cp_parser_function_definition_after_declarator): Don't
604         call start/finish_lambda_scope.
605         * pt.c (retrieve_specialization): Ignore lambda functions in
606         templates.
607         (find_parameter_packs_r): Ignore capture proxies.  Look into
608         lambdas.
609         (check_for_bare_parameter_packs): Allow bare packs in lambdas.
610         (tsubst_default_argument): Call start/finish_lambda_scope.
611         (tsubst_function_decl): Handle lambda functions differently.
612         (tsubst_template_decl): Likewise.
613         (tsubst_expr) [DECL_EXPR]: Skip closure declarations and capture
614         proxies.
615         (tsubst_lambda_expr): Create a new closure rather than instantiate
616         the one from the template.
617         (tsubst_copy_and_build): Don't register a specialization of a pack.
618         (regenerate_decl_from_template): Call start/finish_lambda_scope.
619         (instantiate_decl): Remove special lambda function handling.
620         * semantics.c (process_outer_var_ref): Remove special generic lambda
621         handling.  Don't implicitly capture in a lambda in a template.  Look
622         for an existing proxy.
623         * class.c (current_nonlambda_class_type): Use decl_type_context.
625         * cp-tree.h (LAMBDA_EXPR_CLOSURE): Use TREE_TYPE.
626         (LAMBDA_EXPR_RETURN_TYPE): Remove.
627         (struct tree_lambda_expr): Remove closure and return_type fields.
628         * lambda.c (build_lambda_expr): Don't set LAMBDA_EXPR_RETURN_TYPE.
629         * pt.c (tsubst_copy_and_build): Likewise.
630         * parser.c (cp_parser_lambda_declarator_opt): Track return type.
631         (cp_parser_lambda_body): Adjust unspecified return type check.
632         * ptree.c (cxx_print_lambda_node): Don't print closure or
633         return type.
635         PR c++/80935 - wrong C++17 error with lambda
636         * decl.c (check_for_uninitialized_const_var): Check
637         is_instantiation_of_constexpr.
638         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
639         is_instantiation_of_constexpr.
640         (potential_constant_expression_1): Check var_in_maybe_constexpr_fn.
642         * lambda.c (build_lambda_object): Check for error_mark_node.
643         * pt.c (make_pack_expansion): Set PACK_EXPANSION_LOCAL_P on the type
644         pack as well.
645         (tsubst_decl) [FUNCTION_DECL]: Set DECL_CONTEXT on the parameters.
646         (tsubst) [TEMPLATE_PARM_INDEX]: Check for error_mark_node.
648         PR c++/80767 - unnecessary instantiation of generic lambda
649         * call.c (convert_like_real): Call build_user_type_conversion_1 if
650         cand is null.
651         (add_conv_candidate): Build a ck_user conversion with no candidate.
653         Fix lambdas in template default argument of inherited ctor.
654         * method.c (synthesized_method_base_walk): Replace an inherited
655         template with its specialization.
656         (synthesized_method_walk): Make inheriting_ctor a pointer.
657         (maybe_explain_implicit_delete, explain_implicit_non_constexpr)
658         (deduce_inheriting_ctor, implicitly_declare_fn): Adjust.
660         * pt.c (build_deduction_guide): Set DECL_ABSTRACT_ORIGIN on the
661         template, not the function.
662         (template_guide_p): Adjust.
664         Support copying local_specializations.
665         * cp-tree.h (enum lss_policy): New.
666         (local_specialization_stack): Add policy parameter to default ctor.
667         * pt.c (local_specialization_stack): Copy local_specializations if
668         lss_copy.
670         * constexpr.c (potential_constant_expression_1): Add "now" parm.
671         (is_constant_expression, require_constant_expression): New.
672         (is_static_init_expression, is_nondependent_constant_expression)
673         (is_nondependent_static_init_expression): Drop "potential".
674         * except.c (build_must_not_throw_expr): Do type conversion on
675         value-dependent argument.
676         * pt.c, semantics.c, typeck2.c: Use variants without "potential".
678         Instantiate default arguments/member initializers once.
679         * init.c (get_nsdmi): Remember NSDMI instantiations.
680         * parser.c (inject_this_parameter): Be more picky about
681         current_class_ptr.
682         * pt.c (tsubst_copy): Simplify 'this' handling.
683         (tsubst_default_argument): Remember default argument
684         instantiations.  Take parameter number.
685         (tsubst_default_arguments): Pass it.
686         * call.c (convert_default_arg): Likewise.
688         Fix default argument conversion failure and SFINAE.
689         * call.c (build_over_call): Check convert_default_arg result for
690         error_mark_node.
691         * parser.c (cp_parser_late_parsing_default_args): Remember
692         error_mark_node.
694 2017-08-28  Nathan Sidwell  <nathan@acm.org>
696         * cp-tree.h (lang_type): Replace sorted_fields vector with
697         bindings map.
698         (CLASSTYPE_SORTED_FIELDS): Delete.
699         (CLASSTYPE_BINDINGS): New.
700         * decl.c (finish_enum_value_list): Swap args of
701         insert_late_enum_def_bindings.
702         * name-lookup.c (lookup_field_1): Replace binary search of sorted
703         fields with map->get.
704         (sorted_fields_type_new, count_fields,
705         add_fields_to_record_type, add_enum_fields_to_record_type): Delete.
706         (add_class_member, add_class_members): New.
707         (set_class_bindings): Create map and insert.
708         (insert_late_enum_def_binding): Swap parms.  Use add_clasS_member.
709         * ptree.c (cxx_print_type): Delete sorted fields printing.
711         * cp-tree.h (insert_late_enum_def_into_classtype_sorted_fields):
712         Delete.
713         * name-lookup.h (set_class_bindings,
714         insert_late_enum_def_bindings): Declare.
715         * decl.c (finish_enum_value_list): Adjust for
716         insert_late_enum_def_bindings name change.
717         * class.c (finish_struct_1): Call set_class_bindings.
718         (count_fields, add_fields_to_record_type,
719         add_enum_fields_to_record_type, sorted_fields_type_new,
720         insert_into_classtype_sorted_fields,
721         insert_late_enum_def_into_classtype_sorted_fields): Move to ...
722         * name-lookup.h (count_fields, add_fields_to_record_type,
723         add_enum_fields_to_record_type, sorted_fields_type_new,
724         set_class_bindings, insert_late_enum_def_bindings): ... here.
726 2017-08-25  Nathan Sidwell  <nathan@acm.org>
728         * class.c (method_name_cmp, resort_method_name_cmp): Methods
729         can never be NULL.
731         Conversion operators have a special name
732         * cp-tree.h (CPTI_CONV_OP_MARKER, CPTI_CONV_OP_IDENTIFIER): New.
733         (conv_op_marker, conv_op_identifier): New.
734         (CLASSTYPE_FIRST_CONVERSION_SLOT): Delete.
735         * decl.c (initialize_predefined_identifiers): Add
736         conv_op_identifier.
737         (cxx_init_decl_processing): Create conv_op_marker.
738         * decl2.c (check_classfn): Lookup conv-ops by name.
739         * class.c (add_method): Use conv_op_identifier & conv_op_marker.
740         (resort_type_method_vec): Don't skip conv-ops.
741         (finish_struct_methods, warn_hidden): Likewise.
742         * name-lookup.h (lookup_all_conversions): Delete.
743         * name-lookup.c (lookup_conversion_operator): Replace with ...
744         (extract_conversion_operator): ... this.
745         (lookup_fnfields_slot_nolazy): Find conv-ops by name.
746         (lookup_all_conversions): Delete.
747         * pt.c (check_explicit_specialization): Find conv-ops by name.
748         * search.c (lookup_conversions_r): Likewise.
750 2017-08-24  Nathan Sidwell  <nathan@acm.org>
752         Conversion operators kept on single overload set
753         * class.c (add_method): Keep all conv-ops on one slot.
754         * name-lookup.c (lookup_conversion_operator): Pull the desired
755         conv op out of overload set.
756         * search.c (lookup_conversions_r): Lose template/non-template
757         distinction.
758         (lookup_conversions): Likewise.
760 2017-08-23  Nathan Sidwell  <nathan@acm.org>
762         * cp-tree.h (lookup_field_1, lookup_fnfields_slot,
763         lookup_fnfields_slot_nolazy, lookup_all_conversions): Move
764         declatations to ...
765         * name-lookup.h (lookup_field_1, lookup_fnfields_slot,
766         lookup_fnfields_slot_nolazy, lookup_all_conversions): ... here.
767         * search.c (lookup_conversion_operator,
768         lookup_fnfields_slot_nolazy, lookup_field_1, lookup_fnfields_slot,
769         lookup_all_conversions): Move to ...
770         * name-lookup.c (lookup_conversion_operator,
771         lookup_fnfields_slot_nolazy, lookup_field_1, lookup_fnfields_slot,
772         lookup_all_conversions): ... here.
774         * semantics.c (finish_member_declaration): Move USING_DECL check
775         earlier.  Always set C++ linkage.  Commonize TYPE_FIELD and
776         template decl list insertion.
778         * cp-tree.h (maybe_version_functions): Declare.
779         * decl.c (decls_match): Break function versioning check to
780         separate function.  Call it.
781         (maybe_version_functions): Broken out of decls_match.
782         * class.c (add_method): Use maybe_version_functions.
784         * cp-tree.h (print_search_statistics,
785         reinit_search_statistics): Don't declare.
786         * search.c (n_fields_searched, n_calls_lookup_field,
787         n_calls_lookup_field_1, n_calls_lookup_fnfields,
788         n_calls_lookup_fnfields_1, n_calls_get_base_type,
789         n_outer_fields_searched, n_contexts_saved): Delete.
790         (lookup_field_1, lookup_member,
791         lookup_fnfields_slot_nolazy): Remove stat gathering.
792         (print_search_statistics, reinit_search_statistics): Delete.
793         * tree.c (cxx_print_statistics): Don't print search stats.
795 2017-08-21  Nathan Sidwell  <nathan@acm.org>
797         * search.c (lookup_field_r): Remove obsolete code for type-named
798         field in PoD.
800         * search.c (lookup_field_1): Assert TYPE is a class and VFIELD
801         isn't special.
802         (lookup_field_fuzzy_info::fuzzy_lookup_fnfields): Delete.
803         (lookup_field_fuzzy_r): Adjust.
805 2017-08-21  David Malcolm  <dmalcolm@redhat.com>
807         * call.c (build_over_call): Pass NULL for new parameter to
808         check_function_arguments.
809         * typeck.c (cp_build_function_call_vec): Likewise.
811 2017-08-21  Nathan Sidwell  <nathan@acm.org>
813         PR c++/81899
814         * pt.c (instantiate_class_template_1):
815         BOUND_TEMPLATE_TEMPLATE_PARM is never friend-injected.
817 2017-08-18  David Malcolm  <dmalcolm@redhat.com>
819         PR c++/81514
820         * name-lookup.c (maybe_suggest_missing_header): Convert return
821         type from void to bool; return true iff a suggestion was offered.
822         (suggest_alternative_in_explicit_scope): Move call to
823         maybe_suggest_missing_header to before use of best_match, and
824         return true if the former offers a suggestion.
826 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
828         PR c/53037
829         * decl.c (duplicate_decls): Also merge DECL_WARN_IF_NOT_ALIGN.
830         * decl2.c (grokbitfield): Don't allow bit-field with
831         warn_if_not_aligned type.
833 2017-08-17  Nathan Sidwell  <nathan@acm.org>
835         * cp-tree.def (TEMPLATE_TEMPLATE_PARM): Remove stale comment.
836         * cp-tree.h (ENUM_TEMPLATE_INFO): Delete.
837         (TYPE_TEMPLATE_INFO): Simplify.
838         (SET_TYPE_TEMPLATE_INFO): Simplify.
840         * lex.c (maybe_add_lang_type_raw): BOUND_TEMPLATE_TEMPLATE_PARMs
841         don't need lang_type.
842         (cxx_make_type): Use maybe_add_lang_type_raw return value.
843         * mangle.c (CLASSTYPE_TEMPLATE_ID_P): Don't rely on
844         TYPE_LANG_SPECIFIC.
846         * cp-tree.h (struct lang_type): Remove template_info field.
847         (CLASSTYPE_TEMPLATE_INFO): Use TYPE_LANG_SLOT_1.
848         (TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO): Likewise.
850 2017-08-14  Martin Sebor  <msebor@redhat.com>
852         PR c/81117
853         * error.c (cp_printer): Handle 'G'.
855 2017-08-11  Martin Liska  <mliska@suse.cz>
857         * decl2.c (get_tls_init_fn): Replace ASM_OUTPUT_DEF with
858         TARGET_SUPPORTS_ALIASES.
859         (handle_tls_init): Likewise.
860         (note_mangling_alias): Likewise.  Remove ATTRIBUTE_UNUSED for
861         both arguments.
862         * optimize.c (can_alias_cdtor): Likewise.
864 2017-08-11  Jason Merrill  <jason@redhat.com>
866         PR c++/81671 - nullptr_t template parameter
867         * pt.c (convert_nontype_argument): Fix nullptr_t check.
869 2017-08-10  Jason Merrill  <jason@redhat.com>
871         PR c++/81359 - Unparsed NSDMI error from SFINAE context.
872         * method.c (synthesized_method_walk): Don't diagnose lack of
873         operator delete.
875         PR c++/80452 - Core 1579, implicit move semantics on return/throw
876         * cp-tree.h (LOOKUP_PREFER_RVALUE): Now means that we've already
877         tentatively changed the lvalue to an rvalue.
878         * call.c (reference_binding): Remove LOOKUP_PREFER_RVALUE handling.
879         (build_over_call): If LOOKUP_PREFER_RVALUE, check that the first
880         parameter is an rvalue reference.
881         * except.c (build_throw): Do maybe-rvalue overload resolution twice.
882         * typeck.c (check_return_expr): Likewise.
884 2017-08-10  David Malcolm  <dmalcolm@redhat.com>
886         * parser.c (cp_parser_error): Update for new param to
887         c_parse_error.
888         (class token_pair): New class.
889         (struct matching_paren_traits): New struct.
890         (matching_parens): New typedef.
891         (struct matching_brace_traits): New struct.
892         (matching_braces): New typedef.
893         (cp_parser_statement_expr): Convert explicit parsing of
894         CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use of
895         class matching_parens, so that the pertinent open parenthesis is
896         highlighted when there are problems locating the close
897         parenthesis.
898         (cp_parser_primary_expression): Likewise.
899         (cp_parser_compound_literal_p): Remove consumption of opening
900         paren.
901         (cp_parser_postfix_expression): Convert explicit parsing of
902         CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use matching parens, as
903         above.  Use it to consume the opening paren previously consumed by
904         cp_parser_compound_literal_p.
905         (cp_parser_parenthesized_expression_list): Likewise.
906         (cp_parser_unary_expression): Likewise.
907         (cp_parser_new_expression): Likewise.
908         (cp_parser_cast_expression): Likewise.
909         (cp_parser_builtin_offsetof): Likewise.
910         (cp_parser_trait_expr): Likewise.
911         (cp_parser_lambda_declarator_opt): Likewise.
912         (cp_parser_lambda_body): Likewise, for matching_braces.
913         (cp_parser_compound_statement): Likewise.
914         (cp_parser_selection_statement): Likewise, for matching_parens.
915         (cp_parser_iteration_statement): Likewise.
916         (cp_parser_already_scoped_statement): Likewise, for
917         matching_braces.
918         (cp_parser_linkage_specification): Likewise.
919         (cp_parser_static_assert): Likewise, for matching_parens.
920         (cp_parser_decltype): Likewise.
921         (cp_parser_operator): Likewise.
922         (cp_parser_enum_specifier): Likewise.
923         (cp_parser_namespace_definition): Likewise.
924         (cp_parser_direct_declarator): Likewise.
925         (cp_parser_braced_list): Likewise.
926         (cp_parser_class_specifier_1): Likewise, for matching_braces.
927         (cp_parser_constant_initializer): Likewise.
928         (cp_parser_noexcept_specification_opt): Likewise, for
929         matching_parens.
930         (cp_parser_exception_specification_opt): Likewise.
931         (cp_parser_handler): Likewise.
932         (cp_parser_asm_specification_opt): Likewise.
933         (cp_parser_asm_operand_list): Likewise.
934         (cp_parser_gnu_attributes_opt): Likewise.
935         (cp_parser_std_attribute_spec): Likewise.
936         (cp_parser_requirement_parameter_list): Likewise.
937         (cp_parser_requirement_body): Likewise, for matching_braces.
938         (cp_parser_compound_requirement): Likewise.
939         (cp_parser_template_introduction): Likewise.
940         (cp_parser_sizeof_pack): Likewise, for matching_parens.
941         (cp_parser_sizeof_operand): Likewise; use it to consume the
942         opening paren previously consumed by cp_parser_compound_literal_p.
943         (get_matching_symbol): New function.
944         (cp_parser_required_error): Add param "matching_location".  Remove
945         calls to cp_parser_error, instead setting a non-NULL gmsgid, and
946         handling it if set by calling c_parse_error, potentially with a
947         secondary location if matching_location was set.
948         (cp_parser_require): Add param "matching_location", with a default
949         value of UNKNOWN_LOCATION.
950         (cp_parser_require_keyword): Update for new param of
951         cp_parser_required_error.
952         (cp_parser_objc_encode_expression): Update to class matching_parens
953         as above.
954         (cp_parser_objc_defs_expression): Likewise.
955         (cp_parser_objc_protocol_expression): Likewise.
956         (cp_parser_objc_selector_expression): Likewise.
957         (cp_parser_objc_typename): Likewise.
958         (cp_parser_objc_superclass_or_category): Likewise.
959         (cp_parser_objc_try_catch_finally_statement): Likewise.
960         (cp_parser_objc_synchronized_statement): Likewise.
961         (cp_parser_objc_at_property_declaration): Likewise.
962         (cp_parser_oacc_single_int_clause): Likewise.
963         (cp_parser_oacc_shape_clause): Likewise.
964         (cp_parser_omp_clause_collapse): Likewise.
965         (cp_parser_omp_clause_default): Likewise.
966         (cp_parser_omp_clause_final): Likewise.
967         (cp_parser_omp_clause_if): Likewise.
968         (cp_parser_omp_clause_num_threads): Likewise.
969         (cp_parser_omp_clause_num_tasks): Likewise.
970         (cp_parser_omp_clause_grainsize): Likewise.
971         (cp_parser_omp_clause_priority): Likewise.
972         (cp_parser_omp_clause_hint): Likewise.
973         (cp_parser_omp_clause_defaultmap): Likewise.
974         (cp_parser_omp_clause_ordered): Likewise.
975         (cp_parser_omp_clause_schedule): Likewise.
976         (cp_parser_omp_clause_num_teams): Likewise.
977         (cp_parser_omp_clause_thread_limit): Likewise.
978         (cp_parser_omp_clause_aligned): Likewise.
979         (cp_parser_omp_clause_linear): Likewise.
980         (cp_parser_omp_clause_safelen): Likewise.
981         (cp_parser_omp_clause_simdlen): Likewise.
982         (cp_parser_omp_clause_depend): Likewise.
983         (cp_parser_omp_clause_device): Likewise.
984         (cp_parser_omp_clause_dist_schedule): Likewise.
985         (cp_parser_oacc_clause_async): Likewise.
986         (cp_parser_omp_critical): Likewise.
987         (cp_parser_omp_for_loop): Likewise.
988         (cp_parser_omp_sections_scope): Likewise.
989         (cp_parser_omp_declare_reduction_exprs): Likewise.
990         Update for new param to cp_parser_required_error.
991         (cp_parser_oacc_routine): Likewise.
992         (cp_parser_transaction_expression): Likewise.
993         (cp_parser_cilk_simd_vectorlength): Likewise.
995 2017-08-09  Jason Merrill  <jason@redhat.com>
997         PR c++/81525 - wrong constant value with generic lambda
998         * pt.c (tsubst_decl) [VAR_DECL]: Avoid clobbering auto.
999         (tsubst_copy) [VAR_DECL]: Handle auto.
1001         PR c++/81359 - Unparsed NSDMI error from SFINAE context.
1002         * init.c (get_nsdmi): Add complain parm.
1003         * typeck2.c (digest_nsdmi_init): Add complain parm.
1004         (process_init_constructor_record): Pass complain to get_nsdmi.
1005         * pt.c (maybe_instantiate_noexcept): Add complain parm, return bool.
1006         * method.c (get_defaulted_eh_spec): Add complain parm.  Pass it into
1007         synthesized_method_walk.
1008         (synthesized_method_walk): Adjust.
1009         (walk_field_subobs): Pass complain to get_nsdmi.
1010         (defaulted_late_check): Skip other checks if deleted.
1011         * decl2.c (mark_used): Pass complain to maybe_instantiate_noexcept.
1012         * call.c (build_aggr_conv): Pass complain to get_nsdmi.
1013         * parser.c (defarg_location): New.
1014         * error.c (location_of): Use it.
1016 2017-08-09  Marek Polacek  <polacek@redhat.com>
1018         * parser.c (cp_parser_perform_range_for_lookup): Use false instead of 0.
1019         * typeck.c (build_binary_op): Change the type of a parameter to bool.
1020         (cp_truthvalue_conversion): Use true instead of 1.
1022 2017-08-08  Marek Polacek  <polacek@redhat.com>
1024         PR c++/81607
1025         * cp-gimplify.c (cp_fold): If folding exposed a branch of
1026         a COND_EXPR, convert it to the original type of the COND_EXPR, if
1027         they differ.               
1029 2017-08-08  Martin Liska  <mliska@suse.cz>
1031         * call.c: Include header files.
1032         * cp-gimplify.c: Likewise.
1033         * cp-ubsan.c: Likewise.
1034         * cvt.c: Likewise.
1035         * init.c: Likewise.
1036         * search.c: Likewise.
1037         * semantics.c: Likewise.
1038         * typeck.c: Likewise.
1040 2017-08-07  Martin Liska  <mliska@suse.cz>
1042         * parser.c (cp_parser_gnu_attribute_list): Canonicalize name of an
1043         attribute.
1044         (cp_parser_std_attribute): Likewise.
1045         * tree.c: Add new include.
1047 2017-08-04  Paolo Carlini  <paolo.carlini@oracle.com>
1049         PR c++/79790
1050         * pt.c (do_class_deduction): Handle the case of no viable implicit
1051         deduction guides; simplify the code generating implicit deduction
1052         guides.
1054 2017-08-03  Paolo Carlini  <paolo.carlini@oracle.com>
1056         PR c++/71440
1057         * typeck.c (build_x_unary_op): Avoid pretty-printing constructor /
1058         destructor as expressions.
1060 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
1062         PR c++/81640
1063         * call.c (build_user_type_conversion_1): Only call
1064         lookup_fnfields_slot if totype is CLASS_TYPE_P.
1066 2017-07-31  Jason Merrill  <jason@redhat.com>
1068         * decl.c (declare_global_var): Set DECL_CONTEXT.
1070 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
1071             Martin Liska  <mliska@suse.cz>
1073         * pt.c (tsubst_copy): Copy PREDICT_EXPR.
1074         * semantics.c (finish_goto_stmt): Build gimple predict
1075         stament.
1076         * constexpr.c (potential_constant_expression_1): Handle
1077         PREDICT_EXPR.
1079 2017-07-31  Martin Liska  <mliska@suse.cz>
1081         PR sanitize/81530
1082         * cp-gimplify.c (cp_genericize): Guard condition with flag_sanitize_p
1083         also with current_function_decl non-null equality.
1084         * cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
1085         * decl.c (compute_array_index_type): Likewise.
1086         * init.c (finish_length_check): Likewise.
1087         * typeck.c (cp_build_binary_op): Likewise.
1089 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
1091         * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
1092         DW_AT_export_symbols.
1093         * name-lookup.c (emit_debug_info_using_namespace): Add IMPLICIT
1094         argument, pass it through to the debug hook.
1095         (finish_namespace_using_directive): Adjust
1096         emit_debug_info_using_namespace caller.
1097         (push_namespace): Likewise.  Call it after setting
1098         DECL_NAMESPACE_INLINE_P.
1099         (cp_emit_debug_info_for_using): Pass false as new argument to
1100         the imported_module_or_decl debug hook.
1102 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1104         * lex.c (copy_decl): Adjust.
1105         (copy_type): Likewise.
1107 2017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>
1109         PR c++/71570
1110         * lambda.c (add_capture): Early return if we cannot capture by
1111         reference.
1113 2017-07-26  Jason Merrill  <jason@redhat.com>
1115         P0702R1 - List deduction of vector.
1116         * pt.c (do_class_deduction): Special-case deduction from a single
1117         element of related type.
1119 2017-07-26  Leonid Koppel  <lkoppel@uwaterloo.ca>
1121         PR c++/67054 - Inherited ctor with non-default-constructible members
1122         * method.c (walk_field_subobs) Consider member initializers (NSDMIs)
1123         when deducing an inheriting constructor.
1125 2017-07-21  Nathan Sidwell  <nathan@acm.org>
1127         * search.c (lookup_conversion_operator): Return overloads.
1128         (lookup_fnfields_idx_nolazy): Absorb into ...
1129         (lookup_fnfields_slot_nolaxy): ... here.
1130         (lookup_fnfields_1): Absorb into ...
1131         (lookup_fnfields_slot): ... here.
1133         Remove special CDtor METHOD_VEC slots.
1134         * cp-tree.h (CLASSTYPE_CONSTRUCTOR_SLOT,
1135         CLASSTYPE_DESTRUCTOR_SLOT): Delete.
1136         (CLASSTYPE_CONSTRUCTORS): Use lookup_fnfields_slot_nolazy.
1137         (CLASSTYPE_DESTRUCTOR): Likewise.
1138         * class (add_method): Don't use special cdtor slots.
1139         * search.c (lookup_fnfields_idx_nolazy): Likewise.
1140         (look_for_overrides_here): Use lookup_fnfields_slot.
1141         * semantics (classtype_has_nothrow_assign_or_copy_p): Likewise.
1143         * call.c (add_candidates): Move decls to initialization.  Don't
1144         use !!.
1146 2017-07-20  Nathan Sidwell  <nathan@acm.org>
1148         Remove TYPE_METHODS.
1149         * class.c (maybe_warn_about_overly_private_class,
1150         finish_struct_methods, one_inheriting_sig, count_fields,
1151         add_fields_to_record_type, check_field_decls, check_methods,
1152         clone_function_decl, set_method_tm_attributes,
1153         finalize_literal_type_property, check_bases_and_members,
1154         create_vtable_ptr, determine_key_method,
1155         unreverse_member_declarations, finish_struct,
1156         add_vcall_offset_vtbl_entries_1): Member fns are on TYPE_FIELDS.
1157         * decl.c (fixup_anonymous_aggr): Likewise.
1158         * decl2.c (reset_type_linkage_2): Likewise.
1159         * method.c (after_nsdmi_defaulted_late_checks,
1160         lazily_declare_fn): Likewise.
1161         * optimize.c (maybe_thunk_body, maybe_clone_body): Likewise.
1162         * pt.c (instantiate_class_template_1, tsubst_expr,
1163         do_type_instantiation, instantiate_pending_templates): Likewise.
1164         * search.c (lookup_field_1): Likewise.
1165         * semantics.c (finish_member_declaration,
1166         finish_omp_declare_simd_methods): Likewise.
1168 2017-07-19  Nathan Sidwell  <nathan@acm.org>
1170         * class.c (add_implicitly_declared_members): Use
1171         classtype_has_move_assign_or_move_ctor_p.
1172         (classtype_has_move_assign_or_move_ctor,
1173         classtype_has_user_move_assign_or_move_ctor_p): Merge into ...
1174         (classtype_has_move_assign_or_move_ctor_p): ... this new function.
1175         * cp-tree.h (classtype_has_user_move_assign_or_move_ctor_p):
1176         Replace with ...
1177         (classtype_has_move_assign_or_move_ctor_p): ... this.
1178         * method.c (maybe_explain_implicit_delete, lazily_declare_fn): Adjust.
1179         * tree.c (type_has_nontrivial_copy_init): Adjust.
1181         * cp-tree.h (PACK_EXPANSION_PARAMETER_PACKS,
1182         PACK_EXPANSION_EXTRA_ARGS): Use TYPE_{MIN,MAX}_VALUE_RAW.
1184 2017-07-18  Nathan Sidwell  <nathan@acm.org>
1186         * cp-array-notation.c (build_array_notation_ref): Use
1187         TYPE_{MIN,MAX}_VALUE.
1189         * class.c (classtype_has_move_assign_or_move_ctor): Declare.
1190         (add_implicitly_declared_members): Use it.
1191         (type_has_move_constructor, type_has_move_assign): Merge into ...
1192         (classtype_has_move_assign_or_move_ctor): ... this new function.
1193         * cp-tree.h (type_has_move_constructor, type_has_move_assign): Delete.
1195 2017-07-17  Volker Reichelt  <v.reichelt@netcologne.de>
1197         * parser.c (cp_parser_decl_specifier_seq): Add fix-it hints for
1198         friend outside class and obsolete auto as storage-class-specifier.
1200 2017-07-17  Nathan Sidwell  <nathan@acm.org>
1202         * class.c (maybe_warn_about_overly_private_class): Ignore public
1203         copy ctors.
1205         * class.c (type_has_user_declared_move_constructor,
1206         type_has_user_declared_move_assign): Combine into ...
1207         (classtype_has_user_move_assign_or_move_ctor_p): ... this new function.
1208         * cp-tree.h (type_has_user_declared_move_constructor,
1209         type_has_user_declared_move_assign): Combine into ...
1210         (classtype_has_user_move_assign_or_move_ctor_p): ... this. Declare.
1211         * method.c (maybe_explain_implicit_delete): Use it.
1212         (lazily_declare_fn): Use it.
1213         * tree.c (type_has_nontrivial_copy_init): Use it.
1215         * semantics.c (classtype_has_nothrow_assign_or_copy_p): Clarify
1216         semantics, simplify implementation.
1218 2017-07-16  Volker Reichelt  <v.reichelt@netcologne.de>
1220         * parser.c (cp_parser_cast_expression): Use %q#T instead of %qT
1221         in old-style cast diagnostic.
1222         * typeck.c (maybe_warn_about_useless_cast): Use %q#T instead of %qT
1223         in useless cast diagnostic.
1224         * error.c (type_to_string): Remove enum special handling.
1226 2017-07-14  David Malcolm  <dmalcolm@redhat.com>
1228         * name-lookup.c (get_std_name_hint): Add '<' and '>' around
1229         the header names.
1230         (maybe_suggest_missing_header): Update for addition of '<' and '>'
1231         to above.  Provide a fix-it hint.
1232         * pt.c: Include "gcc-rich-location.h"
1233         (listify): Attempt to add fix-it hint for missing
1234         #include <initializer_list>.
1235         * rtti.c: Include "gcc-rich-location.h".
1236         (typeid_ok_p): Attempt to add fix-it hint for missing
1237         #include <typeinfo>.
1239 2017-07-12  Jason Merrill  <jason@redhat.com>
1241         P0512R0 - Deduction from an initializer list.
1242         * pt.c (do_class_deduction): Do list deduction in two phases.
1244 2017-07-12  Nathan Sidwell  <nathan@acm.org>
1246         * cp-tree.h (DECL_CONSTRUCTOR_P, DECL_MAYBE_IN_CHARGE_CONSTRUCTOR,
1247         DECL_DESTRUCTOR_P, DECL_MAYBE_IN_CHARGE_DESTRCTOR): Look at
1248         identifier flags.
1249         * decl.c (grokfndecl): Set DECL_CXX_CONSTRUCTOR and
1250         DECL_CXX_DESTRUCTOR explicitly.
1251         * decl2.c (grokclassfn): Likewise.
1252         * friend.c (do_friend): Likewise.
1253         * method.c (make_thunk, make_alias_for,
1254         implicitly_declare_fn): Likewise.
1256 2017-07-11  Jason Merrill  <jason@redhat.com>
1258         Core DR 393
1259         * decl.c (grokparms): Downgrade error about array of unknown bound
1260         to pedwarn and disable it for C++17.
1262 2017-07-11  Nathan Sidwell  <nathan@acm.org>
1264         * decl2.c (reset_type_linkage_2): Dont't change ctor name.
1266 2017-07-10  Martin Sebor  <msebor@redhat.com>
1268         * cp-tree.h (cp_operator_id, cp_assignment_operator_id): Document.
1270 2017-07-06  Jason Merrill  <jason@redhat.com>
1272         PR c++/81204 - parse error with dependent template-name
1273         * parser.c (cp_parser_lookup_name): Revert previous change.
1275 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
1277         * cp-lang.c (LANG_HOOKS_RUN_LANG_SELFTESTS): Define as
1278         selftest::run_cp_tests.
1279         (selftest::run_cp_tests): New function.
1280         * cp-tree.h (selftest::run_cp_tests): New decl.
1282 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
1284         * parser.c (cp_parser_decomposition_declaration): Replace
1285         decomposition declaration with structured binding in diagnostics.
1286         * decl.c (cp_finish_decomp): Likewise.
1287         (grokdeclarator): Likewise.
1289         PR c++/81258
1290         * parser.c (cp_parser_decomposition_declaration): Diagnose invalid
1291         forms of structured binding initializers.
1293 2017-07-03  Paolo Carlini  <paolo.carlini@oracle.com>
1295         PR c++/65775
1296         * decl.c (grokdeclarator): Move checks on function return type after
1297         the splice_late_return_type call; if declspecs->locations[ds_type_spec]
1298         is UNKNOWN_LOCATION fall back to input_location.
1300 2017-07-03  David Malcolm  <dmalcolm@redhat.com>
1302         * parser.c (enum required_token): Fix spelling of
1303         RT_INTERATION to RT_ITERATION.
1304         (cp_parser_iteration_statement): Likewise.
1305         (cp_parser_required_error): Likewise.
1307 2017-06-30  Jason Merrill  <jason@redhat.com>
1309         PR c++/81257 - ICE with invalid ::template.
1310         PR c++/54769 - wrong lookup of dependent template-name.
1311         * parser.c (cp_parser_template_name): Revert part of last change.
1313 2017-06-30  Nathan Sidwell  <nathan@acm.org>
1315         * config-lang.in (gtfiles): Add cp/lex.c.
1316         * cp-tree.h (mangle_convop_name_for_type): Rename ...
1317         (make_conv_op_name): ... here.  Move to lex.
1318         * lambda.c (maybe_add_lambda_conv_op): Update.
1319         * parser.c (cp_parser_conversion_function_id): Update.
1320         * pt.c (tsubst_decl, tsubst_baselink, tsubst_copy,
1321         tsubst_copy_and_build): Update.
1322         * semantics.c (apply_deduced_return_type): Update.
1323         * mangle.c (conv_type_hasher, conv_type_names,
1324         mangle_conv_op_name_for_type): Move to ...
1325         * lex.c (conv_type_hasher, conv_type_names, make_convop_name):
1326         ... here.  Rename.
1328 2017-06-30  David Malcolm  <dmalcolm@redhat.com>
1330         PR c++/80014
1331         * parser.c (cp_parser_postfix_expression): Construct a location
1332         for typeid expressions.
1334 2017-06-30  Nathan Sidwell  <nathan@acm.org>
1336         * cp-tree.h (lookup_fnfields_1, class_method_index_for_fn): Don't
1337         declare.
1338         (lookup_all_conversions): Declare.
1339         * class.c (get_basefndecls): Use lookup_fnfields_slot.
1340         * decl.c (register_dtor_fn): Use lookup_fnfields_slot.
1341         * decl2.c (check_class_fn): Use lookup_fnfields_slot.  Rework
1342         diagnostics.
1343         * pt.c (retrieve_specialization): Use lookup_fnfields_slot.
1344         (check_explicit_specialization): Use lookup_fnfields_slot_nolazy,
1345         lookup_all_conversions.
1346         * search.c (lookup_fnfields_1): Make static.
1347         (lookup_all_conversions): New.
1348         (class_method_index_for_fn): Delete.
1349         * semantics.c (classtype_has_nothrow_assign_or_copy_p): Use
1350         lookup_fnfields_slot.
1352         * call.c (build_new_method_call_1): Use constructo_name to get
1353         ctor name.  Move argument processing earlier to merge cdtor
1354         handling blocks.
1355         * decl.c (grokfndecl): Cdtors have special names.
1356         * method.c (implicitly_declare_fn): Likewise. Simplify flag setting.
1357         * pt.c (check_explicit_specialization): Cdtor name is already
1358         special.
1359         * search.c (class_method_index_for_fn): Likewise.
1361         PR c++/81229
1362         * name-lookup.c (do_pushdecl): Reset IDENTIFIER_TYPE when finding
1363         a matching TYPE_DECL.
1365 2017-06-29  Paolo Carlini  <paolo.carlini@oracle.com>
1367         * class.c (add_method): Change pair of errors to error + inform.
1368         (handle_using_decl): Likewise.
1370 2017-06-29  Jason Merrill  <jason@redhat.com>
1372         * constexpr.c, error.c, tree.c: Remove WITH_CLEANUP_EXPR handling.
1374         PR c++/81180 - ICE with C++17 deduction of member class template.
1375         * pt.c (build_deduction_guide): Correct member template handling.
1377         PR c++/81188 - matching decltype of member function call.
1378         * tree.c (cp_tree_equal): Remove COMPONENT_REF special case.
1380 2017-06-29  Nathan Sidwell  <nathan@acm.org>
1382         PR c++/81247
1383         * parser.c (cp_parser_namespace_definition): Immediately close the
1384         namespace if there's no open-brace.
1385         * name-lookup.c (do_pushdecl): Reset OLD when pushing into new
1386         namespace.
1388 2017-06-29  Jason Merrill  <jason@redhat.com>
1390         PR c++/81164 - ICE with invalid inherited constructor.
1391         * search.c (binfo_direct_p): New.
1392         * name-lookup.c (do_class_using_decl): Use it.
1394 2017-06-29  Nathan Sidwell  <nathan@acm.org>
1396         * cp-tree.h (THIS_NAME, IN_CHARGE_NAME, VTBL_PTR_TYPE,
1397         VTABLE_DELTA_NAME, VTABLE_PFN_NAME): Delete.
1398         * decl.c (initialize_predefined_identifiers): Name cdtor special
1399         names consistently.  Use literals for above deleted defines.
1400         (cxx_init_decl_processing): Use literal for vtbl_ptr_type name,
1402         * lex.c (maybe_add_lang_type_raw): Exit early, rather than use a
1403         flag.
1405         * call.c (check_dtor_name): Use constructor_name for enums too.
1406         (build_new_method_call_1): Use constructor_name for cdtors and
1407         show ~ for dtor.
1408         * class.c (build_self_reference): Use TYPE_NAME to get name of
1409         self reference.
1410         * name-lookup (constructor_name): Use DECL_NAME directly.
1411         (constructor_name_p): Reimplement.
1412         (push_class_level_binding_1): Use TYPE_NAME directly.
1414         * class.c (finish_struct): Use OVL_P.
1415         (get_vfield_name): Measure constructor_name length.
1416         * cp-tree.h (SET_CLASS_TYPE_P): Add RECORD_OR_UNION_CHECK.
1417         (NON_UNION_CLASS_TYPE_P): Check RECORD_TYPE up front.
1418         * cxx-pretty-print.c (is_destructor_name): Delete.
1419         (pp_cxx_unqualified_id): Remove bogus destructor name checking.
1420         * decl.c (grokfndecl): Move cheap checks first when looking for
1421         implicit extern cness.
1423         * parser.c (cp_parser_direct_declarator): Reorder if to avoid
1424         indentation. Remove unnecessary assignment of constructor name.
1426         Whitespace cleanups.
1427         * call.c (name_as_c_string): Move CONST_CAST to return.
1428         (build_new_method_call_1): Remove unneeded bracing.
1429         * class.c (include_empty_classes): Unbreak line.
1430         * constraint.cc (tsubst_check_constraint): Add space.
1431         * cp-tree.h (lang_decl_ns): Add comment.
1432         (PTRMEM_CST_MEMBER): Break line.
1433         * decl.c (grokfndecl): Add blank lines. Unbreak some others.
1434         (grokdeclarator): Remove lines, move declaration to first use.
1435         * decl2.c (decl_needed_p): Fix indentation.
1436         (c_parse_final_cleanups): Remove blank line.
1437         * method.c (implicitly_declare_fn): Move declaration to first use.
1438         * search.c (current_scope): Add blank lines.
1440 2017-06-28  Jason Merrill  <jason@redhat.com>
1442         PR c++/72764 - ICE with invalid template typename.
1443         * decl.c (build_typename_type): No longer static.
1444         * tree.c (strip_typedefs): Use it instead of make_typename_type.
1446         PR c++/69300 - ICE with self-referential noexcept
1447         * pt.c (maybe_instantiate_noexcept): Check for recursion.
1449         PR c++/61022 - error with variadic template template parm
1450         * pt.c (convert_template_argument): Keep the TYPE_PACK_EXPANSION.
1452         PR c++/72801 - ICE with variadic partial specialization
1453         * pt.c (unify_pack_expansion): Use PACK_EXPANSION_EXTRA_ARGS.
1455         PR c++/55639 - partial specialization with ::template
1456         * parser.c (cp_parser_class_head): Handle ::template.
1458         PR c++/45976 - error with ::template in declarator.
1459         * pt.c (resolve_typename_type): Fix TEMPLATE_ID_EXPR handling.
1461         PR c++/54769 - wrong lookup of dependent template-name.
1462         * parser.c (cp_parser_template_name): Handle dependent object type.
1463         (cp_parser_nested_name_specifier_opt): Make template_keyword_p a
1464         parameter.
1465         (cp_parser_id_expression): Pass it.
1466         (cp_parser_diagnose_invalid_type_name): Handle TEMPLATE_ID_EXPR.
1468         * parser.c (cp_parser_template_id): Use the range location on the
1469         TEMPLATE_ID_EXPR.
1471         PR c++/81204 - parse error with dependent template-name
1472         * parser.c (cp_parser_lookup_name): Disqualify function templates
1473         after lookup.
1475 2017-06-27  Nathan Sidwell  <nathan@acm.org>
1477         * pt.c (tsubst_decl <FUNCTION_DECL>): Move var decls to
1478         initialization point.  Don't unnecessarily check for ctor name.
1480         * cp-tree.h (CLASSTYPE_DESTRUCTORS): Rename to ...
1481         (CLASSTYPE_DESTRUCTOR): ... this.
1482         * class.c (accessible_nvdtor_p,
1483         maybe_warn_about_overly_private_class,
1484         add_implicitly_declared_members,
1485         clone_constructors_and_destructors, type_has_virtual_destructor):
1486         Adjust for CLASSTYPE_DESTRUCTOR.
1487         (deduce_noexcept_on_destructors): Absorb into ...
1488         (check_bases_and_members): ... here.
1489         * except.c (dtor_nothrow): Adjust for CLASSTYPE_DESTRUCTOR.
1490         * init.c (build_delete): Likewise.
1491         * parser.c (cp_parser_lookup_name): Likewise.
1492         * pt.c (check_explicit_specialization): Likewise.
1493         * rtti.c (emit_support_tinfos): Likewise.
1494         * search.c (lookup_fnfields_idx_nolazy): Likewise.
1496         Kill IDENTIFIER_TEMPLATE.
1497         * cp-tree.h (lang_identifier): Remove class_template_info field.
1498         (IDENTIFIER_TEMPLATE): Delete.
1499         * name-lookup.c (constructor_name_full): Subsume into ...
1500         (constructor_name): ... here.  Don't check IDENTIFIER_TEMPLATE.
1501         (constructor_name_p): Likewise.
1502         * mangle.c (write_source_name): Likewise.
1503         * ptree.c (cxx_print_identifier): Likewise.
1505 2017-06-27  Marek Polacek  <polacek@redhat.com>
1507         PR bootstrap/81216
1508         * parser.c (cp_parser_already_scoped_statement): Initialize
1509         LOC_AFTER_LABELS.
1511 2017-06-26  Jason Merrill  <jason@redhat.com>
1513         PR c++/81215 - deduction failure with variadic TTP.
1514         * pt.c (unify_bound_ttp_args): Restore old logic for C++14 and down.
1516 2017-06-26  Martin Sebor  <msebor@redhat.com>
1518         PR c++/81169
1519         * call.c (maybe_warn_class_memaccess): Preserve explicit conversions
1520         to detect casting away cv-qualifiers.
1522 2017-06-26  Nathan Sidwell  <nathan@acm.org>
1524         * cp-tree.h (lang_decl_fn): Remove assignment_operator_p field.
1525         (DECL_COMPLETE_CONSTRUCTOR_P): Directly compare
1526         identifier.
1527         (DECL_BASE_CONSTRUCTOR_P, DECL_COMPLETE_DESTRUCTOR_P,
1528         DECL_BASE_DESTRUCTOR_P, DECL_DELETING_DESTRUCTOR_P): Likewise.
1529         (DECL_ASSIGNMENT_OPERATOR_P): Use IDENTIFIER_ASSIGN_OP_P.
1530         * decl.c (grok_op_properties): Adjust identifier checking.
1531         * init.c (expand_default_init): Adjust identifier descision.
1532         * method.c (implicitly_declare_fn): Don't use
1533         DECL_ASSIGNMENT_OPERATOR_P.
1534         * search.c (lookup_fnfields_1): Use IDENTIFIER_CTOR_P,
1535         IDENTIFIER_DTOR_P.
1536         * call.c (in_charge_arg_for_name): Reimplement.
1537         (build_special_member_call): Use IDENTIFIER_CDTOR_P,
1538         IDENTIFIER_DTOR_P.
1540 2017-06-26  Marek Polacek  <polacek@redhat.com>
1542         PR c/80116
1543         * parser.c (cp_parser_statement): Add a default argument.  Save the
1544         location of the expression-statement after labels have been parsed.
1545         (cp_parser_implicitly_scoped_statement): Set the location of the
1546         body of the conditional after parsing all the labels.  Call
1547         warn_for_multistatement_macros.
1548         (cp_parser_already_scoped_statement): Likewise.
1550 2017-06-24  Paolo Carlini  <paolo.carlini@oracle.com>
1552         PR c++/62315
1553         * parser.c (cp_parser_diagnose_invalid_type_name): Don't print
1554         'typename' in error messages about missing 'typename'.
1556 2017-06-23  Jason Merrill  <jason@redhat.com>
1558         PR c++/79056 - C++17 ICE with invalid template syntax.
1559         * parser.c (cp_parser_simple_type_specifier): Don't assume that type
1560         is a TYPE_DECL.
1561         (cp_parser_check_for_invalid_template_id): Handle TYPE_DECL.
1562         * pt.c (template_placeholder_p): New.
1563         * cp-tree.h: Declare it.
1565 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
1567         * decl.c (duplicate_decls): Use builtin_structptr_types.
1569 2017-06-22  Nathan Sidwell  <nathan@acm.org>
1571         Reorder IDENTIFIER flags
1572         gcc/cp/
1573         * cp-tree.h (enum cp_identifier_kind): New.
1574         (IDENTIFIER_KIND_BIT_0, IDENTIFIER_KIND_BIT_1,
1575         IDENTIFIER_KIND_BIT_2): New.
1576         (IDENTIFIER_MARKED): Move to TREE_LANG_FLAG_4.
1577         (IDENTIFIER_VIRTUAL_P, IDENTIFIER_REPO_CHOSEN): Add IDENTIFIER_CHECK.
1578         (C_IS_RESERVED_WORD): Replace with ...
1579         (IDENTIFIER_KEYWORD_P): ... this.
1580         (IDENTIFIER_CTOR_OR_DTOR_P): Replace with ...
1581         (IDENTIFIER_CDTOR_P): ... this.
1582         (IDENTIFIER_CTOR_P, IDENTIFIER_DTOR_P): New.
1583         (IDENTIFIER_OPNAME_P): Replace with ...
1584         (IDENTIFIER_ANY_OP_P): ... this.
1585         (IDENTIFIER_ASSIGN_OP_P): New.
1586         (IDENTIFIER_TYPENAME_P): Replace with ...
1587         (IDENTIFIER_CONV_OP_P): ... this.
1588         (NEW_DELETE_OPNAME_P): Replace with ...
1589         (IDENTIFIER_NEWDEL_OP_P): ... this.
1590         (DECL_CONV_FN_P, DECL_OVERLOADED_OPERATOR_P): Adjust.
1591         (get_identifier_kind_name, set_identifier_kind): Declare.
1592         * lex.c (get_identifier_kind_name, set_identifier_kind): New.
1593         (init_operators): Adjust to avoid keywords, use
1594         set_identifier_kind. Copy TYPE_EXPR slot.
1595         (init_reswords): Call set_identifier_kind.
1596         (unqualified_name_lookup_error): Adjust.
1597         * operators.def (TYPE_EXPR): Remove.
1598         * decl.c (struct predefined_identifier): Move into ...
1599         (initialize_predefined_identifiers): ... here.  Call
1600         set_identifier_kind.
1601         (grokfndecl, check_var_type, grokdeclarator): Adjust.
1602         (grok_op_properties): Use IDENTIFIER_ANY_ASSIGN_OP to halve search
1603         space.  Adjust.
1604         * call.c (name_as_c_string): Adjust.
1605         (build_new_method_call_1): Likewise.
1606         * cp-cilkplus.c (is_conversion_operator_function_decl_p): Likewise.
1607         * cxx-pretty-print.c (pp_cxx_unqualified_id): Adjust.
1608         * dump.c (cp_dump_tree): Adjust.
1609         * error.c (dump_decl_name): Adjust.
1610         * mangle.c (write_unqualified_id, write_member_name,
1611         write_expression): Adjust.
1612         (mangle_conv_op_name_for_type): Use set_identifier_kind.
1613         * name-lookup.c (do_class_using_decl): Adjust.
1614         (lookup_name_fuzzy, lookup_name_real_1): Likewise.
1615         * parser.c (cp_lexer_get_preprocessor_token,
1616         cp_parser_direct_declarator): Likewise.
1617         * pt.c (push_template_decl_real, tsubst_decl, tsubst_baselink,
1618         tsubst_copy, tsubst_copy_and_build): Adjust.
1619         * ptree.c (cxx_print_identifier): Print identifier kind.
1620         * search.c (lookup_field_r, lookup_member,
1621         lookup_fnfields_idx_nolazy): Adjust.
1622         * semantics.c (finish_id_expression): Adjust..
1623         * typeck.c (cp_build_addr_expr_1): Adjust.
1625 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
1627         PR c++/81154
1628         * semantics.c (handle_omp_array_sections_1, finish_omp_clauses):
1629         Complain about t not being a variable if t is OVERLOAD even
1630         when processing_template_decl.
1632 2017-06-21  David Malcolm  <dmalcolm@redhat.com>
1634         * parser.c (get_cast_suggestion): New function.
1635         (maybe_add_cast_fixit): New function.
1636         (cp_parser_cast_expression): Capture the location of the closing
1637         parenthesis.  Call maybe_add_cast_fixit when emitting warnings
1638         about old-style casts.
1640 2017-06-20  Jason Merrill  <jason@redhat.com>
1642         PR c++/80972 - C++17 ICE with attribute packed.
1643         * call.c (build_over_call): Allow a TARGET_EXPR from reference
1644         binding.
1646 2017-06-20  Nathan Sidwell  <nathan@acm.org>
1648         * cp-tree.h (CPTI_NELTS_IDENTIFIER): Delete.
1649         (nelts_identifier): Delete.
1650         * decl.c (initialize_predefined_identifiers): Remove nelts.
1652         PR c++/67074 - namespace aliases
1653         * decl.c (duplicate_decls): Don't error here on mismatched
1654         namespace alias.
1655         * name-lookup.c (name_lookup::add_value): Matching namespaces are
1656         not ambiguous.
1657         (diagnose_name_conflict): Namespaces are never redeclarations.
1658         (update_binding): An alias can match a real namespace.
1660 2017-06-19  Jason Merrill  <jason@redhat.com>
1662         PR c++/80562 - ICE with constexpr if.
1663         * semantics.c (finish_if_stmt_cond): Call
1664         instantiate_non_dependent_expr.
1666         PR c++/80829 - ICE with constexpr copy of base subobject.
1667         * constexpr.c (clear_no_implicit_zero): New.
1668         (cxx_eval_call_expression): Call it.
1670 2017-06-19  Nathan Sidwell  <nathan@acm.org>
1672         PR c++/81124
1673         PR c++/79766
1674         * name-lookup.c (set_decl_namespace): Don't follow using
1675         directives and ignore using decls.  Only check overly-explicit
1676         scope after discovering decl.
1678 2017-06-19  Jason Merrill  <jason@redhat.com>
1680         PR c++/81073 - constexpr and static var in statement-expression.
1681         * typeck2.c (store_init_value): Always call
1682         require_potential_constant_expression.
1683         * pt.c (convert_nontype_argument): Likewise.
1684         * constexpr.c (potential_constant_expression_1): Adjust message.
1685         Use decl_maybe_constant_var_p instead of decl_constant_var_p.
1686         * decl2.c (decl_maybe_constant_var_p): Consider initializer.
1688 2017-06-19  Nathan Sidwell  <nathan@acm.org>
1690         * pt.c (coerce_template_parms): Fix indentation.
1691         (tsubst_decl): Remove repeated SET_DECL_RTL.  Move VAR_P handling
1692         in to single block.
1694         PR c++/81119
1695         * name-lookup.c (update_binding): Only warn about constructors
1696         hidden by functions.
1698 2017-06-17  Jason Merrill  <jason@redhat.com>
1700         PR c++/60063 - -Wunused-local-typedefs and templates.
1701         * decl2.c (is_late_template_attribute): Return false for "used".
1703         PR c++/70844 - -Wuseless-cast and inheriting constructor.
1704         * method.c (forward_parm): Suppress warn_useless_cast.
1706 2017-06-16  Jason Merrill  <jason@redhat.com>
1708         PR c++/81045 - Wrong type-dependence with auto return type.
1709         * pt.c (type_dependent_expression_p): An undeduced auto outside the
1710         template isn't dependent.
1711         * call.c (build_over_call): Instantiate undeduced auto even in a
1712         template.
1714         PR c++/80465 - ICE with generic lambda with noexcept-specifier.
1715         * lambda.c (maybe_add_lambda_conv_op): Keep processing_template_decl
1716         set longer for a generic lambda.
1718         PR c++/80614 - Wrong mangling for C++17 noexcept type
1719         * mangle.c (write_type): Put the eh spec back on the function type.
1721         PR c++/81102 - Wrong error with partial specialization.
1722         * pt.c (unify) [TEMPLATE_PARM_INDEX]: Strip reference when comparing
1723         types.  Do type deduction later.
1725         PR c++/81074 - ICE with partial specialization of member template.
1726         PR c++/71747
1727         * pt.c (get_partial_spec_bindings): Only coerce innermost args.
1729         PR c++/80831 - ICE with -fsyntax-only.
1730         * decl2.c (c_parse_final_cleanups): Use cgraph_node::get_create.
1732         PR c++/80639 - ICE with invalid PMF initialization.
1733         PR c++/80043 - ICE with -fpermissive
1734         * typeck.c (convert_for_assignment): Recurse when instantiate_type
1735         returns without an error.
1737 2017-06-16  Nathan Sidwell  <nathan@acm.org>
1739         * pt.c (tsubst_baselink): Fix & clarify formatting.
1741         * cp-tree.h (build_this_parm, cp_build_parm_decl,
1742         build_artificial_parm): Add FN parm.
1743         * decl.c (start_cleanup_fn): Adjust.
1744         (build_this_parm): Add FN parm, pass it through.
1745         (grokfndecl): Adjust parm building.
1746         * decl2.c (cp_build_parm_decl): Add FN parm, set context.
1747         (build_artificial_parm): Add FN parm, pass through.
1748         (maybe_retrofit_in_chrg): Adjust parm building.
1749         (start_static_storage_duration_function): Likwise.
1750         * lambda.c (maybe_aadd_lambda_conv_op): Likewise.
1751         * method.c (implicitly_declare_fn): Likewise.
1752         * parser.c (inject_this_parameter): Likewise.
1754         Symbol tables are insert only.
1755         * cp-tree.h (default_hash_traits <lang_identifier *>): Don't
1756         derive from pointer_hash.  Make undeletable.
1758         * class.c (resort_type_method_vec): Avoid potential unsigned
1759         overflow.
1761         Don't defer noexcept_deferred_spec.
1762         * cp-tree.h (unevaluated_noexcept_spec): Don't declare.
1763         * decl.c (cxx_init_decl_processing): Initialize
1764         noexcept_deferred_spec.
1765         * except.c (unevaluated_noexcept_spec): Delete.
1766         * class.c (deduce_noexcept_on_destructor): Use
1767         noexcept_deferred_spec directly.
1768         * method.c (implicitly_declare_fn): Likewise.
1770         Make keyed_classes a vector.
1771         * cp-tree.h (CPTI_KEYED_CLASSES, keyed_classes): Delete.
1772         (keyed_classes): Declare as vector.
1773         * decl.c (keyed_classes): Define.
1774         (cxx_init_decl_processing): Allocate it.
1775         (record_key_method_defined): Use vec_safe_push.
1776         * class.c (finish_struct_1): Likewise.
1777         * pt.c (instantiate_class_template_1): Likewise.
1778         * decl2.c (c_parse_final_cleanups): Reverse iterate keyed_classes.
1780         Make rtti lazier
1781         * rtti.c (enum tinfo_kind): Add TK_DERIVED_TYPES,
1782         TK_VMI_CLASS_TYPES, TK_MAX.  Delete TK_FIXED.
1783         (tinfo_names): New.
1784         (typeid_ok_p): Add quotes to error messages.  Use get_tinfo_desc.
1785         (get_tinfo_decl): Use get_tinfo_desc.
1786         (get_pseudo_ti_init): Likewise. Adjust VMI construction.
1787         (create_pseudo_type_info): Delete.
1788         (get_pseudo_ti_index): Just determine the index.
1789         (get_tinfo_desc): New.  Create all types lazily.
1790         (create_tinfo_types): Just allocate the descriptor array.
1791         (emit_support_tinfos): Use non-inserting type lookup.  Set builtin
1792         location.
1794 2017-06-15  Martin Sebor  <msebor@redhat.com>
1796         PR c++/80560
1797         * call.c (first_non_public_field, maybe_warn_class_memaccess): New
1798         functions.
1799         (has_trivial_copy_assign_p, has_trivial_copy_p): Ditto.
1800         (build_cxx_call): Call maybe_warn_class_memaccess.
1802 2017-06-14  Jakub Jelinek  <jakub@redhat.com>
1804         * cp-gimplify.c (cp_genericize_r): Turn most of the function
1805         into a switch (TREE_CODE (stmt)) statement from long else if
1806         sequence.
1808 2017-06-13  Jakub Jelinek  <jakub@redhat.com>
1810         PR c++/80973
1811         * cp-gimplify.c (cp_genericize_r): Don't instrument MEM_REF second
1812         argument even if it has REFERENCE_TYPE.
1814         PR c++/80984
1815         * cp-gimplify.c (cp_genericize): Only look for VAR_DECLs in
1816         BLOCK_VARS (outer) chain.
1817         (cxx_omp_const_qual_no_mutable): Likewise.
1819 2017-06-13  Martin Liska  <mliska@suse.cz>
1821         PR sanitize/78204
1822         * class.c (build_base_path): Use sanitize_flags_p.
1823         * cp-gimplify.c (cp_genericize_r): Likewise.
1824         (cp_genericize_tree): Likewise.
1825         (cp_genericize): Likewise.
1826         * cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
1827         * decl.c (compute_array_index_type): Likewise.
1828         (start_preparsed_function): Likewise.
1829         * decl2.c (one_static_initialization_or_destruction): Likewise.
1830         * init.c (finish_length_check): Likewise.
1831         * lambda.c (maybe_add_lambda_conv_op): Likewise.
1832         * typeck.c (cp_build_binary_op): Likewise.
1833         (build_static_cast_1): Likewise.
1835 2017-06-11  Jason Merrill  <jason@redhat.com>
1837         * error.c (dump_expr): Use is_this_parameter.
1839         * cp-tree.h, decl2.c, mangle.c, parser.c, pt.c, semantics.c: Use
1840         id_equal.
1842 2017-06-09  Jason Merrill  <jason@redhat.com>
1844         Missing bits from N4268, constant evaluation for all non-type args.
1845         * call.c (build_converted_constant_expr): Rename from
1846         build_integral_nontype_arg_conv, handle all types.
1847         * pt.c (convert_nontype_argument): In C++17 call it for all types.
1848         Move NOP stripping inside pointer case, don't strip ADDR_EXPR.
1849         * cvt.c (strip_fnptr_conv): Also strip conversions to the same type.
1851         Overhaul pointer-to-member conversion and template argument handling.
1852         * call.c (standard_conversion): Avoid creating ck_pmem when the
1853         class type is the same.
1854         * cvt.c (can_convert_qual): Split from
1855         perform_qualification_conversions.
1856         * constexpr.c (cxx_eval_constant_expression): Check it.
1857         * typeck.c (convert_ptrmem): Only cplus_expand_constant if
1858         adjustment is necessary.
1859         * pt.c (check_valid_ptrmem_cst_expr): Compare class types.
1860         (convert_nontype_argument): Avoid redundant error.
1862         * call.c (convert_like_real): Remove "inner" parameter.
1863         Don't replace a constant with its value.
1864         * cp-gimplify.c (cp_fully_fold): Use cp_fold_rvalue.
1866         * pt.c (convert_nontype_argument): Check NULLPTR_TYPE_P rather than
1867         nullptr_node.
1869         * parser.c (cp_parser_constant_expression): Check
1870         potential_rvalue_constant_expression after decay_conversion.
1871         * pt.c (convert_nontype_argument): Don't require linkage in C++17.
1873         PR c++/80384 - ICE with dependent noexcept-specifier
1874         * pt.c (dependent_type_p_r) [FUNCTION_TYPE]: Check for dependent
1875         noexcept-specifier.
1877         * constexpr.c (potential_constant_expression_1): Allow 'this' capture.
1879 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
1881         * class.c (build_vtbl_initializer): Mark dvirt_fn as cold.
1882         * decl.c (cxx_init_decl_processing, push_throw_library_fn): Likewise.
1883         (excpet.c): Mark terminate as cold.
1885 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
1887         PR c/81006
1888         * semantics.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
1889         to sizetype before size_binop.
1891         PR c++/81011
1892         * cp-gimplify.c (cxx_omp_finish_clause): When changing clause
1893         to OMP_CLAUSE_SHARED, also clear OMP_CLAUSE_SHARED_FIRSTPRIVATE
1894         and OMP_CLAUSE_SHARED_READONLY flags.
1896 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
1898         * cp-tree.h (lang_check_failed): Annotate by ATTRIBUTE_COLD.
1900 2017-06-07  Nathan Sidwell  <nathan@acm.org>
1902         * class.c (layout_class_type): Restructure overlong-bitfield tpe
1903         search.
1905 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
1907         PR c++/80990
1908         * pt.c (do_class_deduction): Build qualified type.
1910 2017-06-06  Nathan Sidwell  <nathan@acm.org>
1912         * name-lookup.c (suggest_alternatives_for): Use qualified lookup
1913         sans using directives.  Don't walk into inline namespaces.
1915         PR c++/80979
1916         * name-lookup.c (adl_class_only): Don't add visible friends.
1918 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
1920         * parser.c (cp_parser_base_specifier): Fix typos in error messages.
1922 2017-06-02  Nathan Sidwell  <nathan@acm.org>
1924         Remove lang_type_ptrmem.
1925         * cp-tree.h (lang_type_header): Remove is_lang_type_class. Move
1926         into ...
1927         (lang_type_class): ... this.  Reorder bitfields.  Rename to ...
1928         (lang_type): ... this.  Delete old definition.
1929         (lang_type_ptrmem): Delete.
1930         (LANG_TYPE_CLASS_CHECK): Simply get TYPE_LANG_SPECIFIC.  Adjust uses.
1931         (LANG_TYPE_PTRMEM_CHECK): Delete.
1932         (TYPE_GET_PTRMEMFUNC_TYPE, TYPE_SET_PTRMEMFUNC_TYPE): Delete.
1933         (TYPE_PTRMEMFUNC_TYPE): New.  Use TYPE_LANG_SLOT_1.
1934         * decl.c (build_ptrmemfunc_type): Adjust.
1935         * lex.c (copy_lang_type): Remove lang_type_ptrmem handling.
1936         (maybe_add_lang_type_raw): Don't set u.c.h.is_lang_type_class.
1937         
1938         * class.c (check_bases_and_members): Adjust vec_new_uses_cookie
1939         setting.
1940         
1941         Remove cp_binding_level::namespaces
1942         * name-lookup.h (cp_binding_level): Lose namespaces field.
1943         * name-lookup.c (add_decl_to_level): Chain namespaces on the names
1944         list.
1945         (suggest_alternatives_for): Adjust for namespace list.  Do
1946         breadth-first search.
1947         * decl2.c (collect_source_refs): Namespaces are on the regulr
1948         list.
1949         (collect_ada_namespace): Likewise.
1951 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1953         * typeck.c (cp_build_binary_op): Implement the -Wsizeof_pointer_div
1954         warning.
1956 2017-06-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
1958         PR c++/80812
1959         * method.c (constructible_expr): Strip array types before calling
1960         build_value_init.
1962 2017-06-01  Paolo Carlini  <paolo.carlini@oracle.com>
1964         PR c++/80896
1965         * cvt.c (convert_to_void): Possibly call maybe_warn_nodiscard
1966         for case INDIRECT_REF too in the main switch.
1968 2017-05-31  Jason Merrill  <jason@redhat.com>
1970         PR c++/80840 - ICE with constexpr and reference
1971         * pt.c (convert_nontype_argument): Don't test whether a decl is
1972         value-dependent when binding to a reference.
1974 2017-05-31  Nathan Sidwell  <nathan@acm.org>
1976         * cp-tree.h (lang_decl_slector): New enum.
1977         (lang_decl_base): Make selector an enum.  Drop decomposition_p
1978         field.
1979         (lang_decl): Use enum for discrimination.
1980         (LANG_DECL_FN_CHECK, LANG_DECL_NS_CHECK, LANG_DECL_PARM_CHECK,
1981         LANG_DECL_DEOMP_CHECK): Use enum.
1982         (DECL_DECOMPOSITION_P): Use selector value.
1983         (SET_DECL_DECOMPOSITION_P): Delete.
1984         (retrofit_lang_decl): Lose SEL parm.
1985         (fit_decomposition_lang_decl): Declare.
1986         * decl.c (cp_finish_decomp, grokdeclarator): Use
1987         fit_decomposition_lang_decl.
1988         * lex.c (maybe_add_lang_decl_raw): New. Broken out of
1989         retrofit_lang_decl.
1990         (set_decl_linkage): New.  Broken out of retrofit_lang_decl.  Use enum.
1991         (fit_decomposition_lang_decl): Likewise.
1992         (retrofit_lang_decl): Use worker functions.
1993         (cxx_dup_lang_specific_decl): Use selector enum.
1994         (maybe_add_lang_type_raw): New.  Broken out of ...
1995         (cxx_make_type_name): ... here.  Call it.
1997 2017-05-30  Jason Merrill  <jason@redhat.com>
1999         PR c++/80856 - ICE with local extern in template
2000         * semantics.c (finish_call_expr): Replace a local extern overload
2001         set in a template with the IDENTIFIER_NODE.
2003 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
2005         * call.c (perform_implicit_conversion_flags): Convert
2006         "from %qT to %qT" to "from %qH to %qI" in diagnostic.
2007         (print_conversion_rejection): Replace pairs of %qT with
2008         %qH and %qI in various places.
2009         (build_user_type_conversion_1): Likewise.
2010         (build_integral_nontype_arg_conv): Likewise.
2011         (build_conditional_expr_1): Likewise.
2012         (convert_like_real): Likewise.
2013         (convert_arg_to_ellipsis): Likewise.
2014         (joust): Likewise.
2015         (initialize_reference): Likewise.
2016         * cvt.c (cp_convert_to_pointer): Likewise.
2017         (cp_convert_to_pointer): Likewise.
2018         (convert_to_reference): Likewise.
2019         (ocp_convert): Likewise.
2020         * error.c (cp_printer): Gain bool and const char ** parameters.
2021         (struct deferred_printed_type): New struct.
2022         (class cxx_format_postprocessor): New class.
2023         (cxx_initialize_diagnostics): Wire up a cxx_format_postprocessor
2024         to pp->m_format_postprocessor.
2025         (comparable_template_types_p): New function.
2026         (newline_and_indent): New function.
2027         (arg_to_string): New function.
2028         (print_nonequal_arg): New function.
2029         (print_template_differences): New function.
2030         (type_to_string_with_compare): New function.
2031         (print_template_tree_comparison): New function.
2032         (append_formatted_chunk): New function.
2033         (add_quotes): New function.
2034         (cxx_format_postprocessor::handle): New function.
2035         (defer_phase_2_of_type_diff): New function.
2036         (cp_printer): Add "quoted" and "buffer_ptr" params.  Implement
2037         %H and %I.
2038         * typeck.c (cp_build_binary_op): Replace pairs of %qT with
2039         %qH and %qI in various places.
2040         (convert_member_func_to_ptr): Likewise.
2041         (build_reinterpret_cast_1): Likewise.
2042         (convert_for_assignment): Likewise.
2043         * typeck2.c (check_narrowing): Likewise.
2045 2017-05-30  Nathan Sidwell  <nathan@acm.org>
2047         Kill IDENTIFIER_NAMESPACE_BINDINGS
2048         * cp-tree.h (lang_identifier): Delete namespace_bindings.
2049         (IDENTIFIER_NAMESPACE_BINDINGS): Delete.
2050         (lang_decl_ns): Add bindings.
2051         (DECL_NAMESPACE_BINDINGS): New.
2052         * lex.c (retrofit_lang_decl): Create namespace hash table.
2053         * name-lookup.c (find_namespace_slot): Change to use hash-map.
2054         * ptree.c (cxx_print_binding): Delete.
2055         (cxx_print_identifier): Remove NAMESPACE_BINDING printing.
2057         * cp-tree.def (OVERLOAD): Fix comment.
2058         * cp-tree.h: Fix comments and whitespace.
2059         * error.c (dump_decl): Use pp_cxx_colon_colon, ovl_scope.
2060         * name-lookup.c (add_decl_to_level): Assert not class.
2061         (check_local_shadow): Use OVL_P.
2062         (pushdecl_with_scope_1): Rename to ...
2063         (do_pushdecl_with_Scope): ... here.
2064         (do_nonmember_using_decl): Use qualified_namespace_lookup return
2065         value.
2066         (push_class_level_binding_1): Use OVL_P.
2067         (pushdecl_namespace_level): Use do_pushdecl_with_scope.
2068         (pushtag_1): Rename to ...
2069         (do_pushtag): ... here.  Adjust do_pushdecl_with_scope call.
2070         (pushtag): Adjust.
2071         (store_class_bindings): Do not time here.
2072         * name-lookup.h (pushdecl_outermost_localscope): Reorder.
2073         * pt.c (listify): Declare argvec at point of initialization.
2075         PR c++/80913
2076         * name-lookup.c (add_decl_to_level): Assert not making a circular
2077         chain.
2078         (update_binding): Don't prematurely slide artificial decl.
2080 2017-05-29  Alexandre Oliva <aoliva@redhat.com>
2082         * cp-tree.h (lang_identifier): Drop oracle_looked_up, unused.
2084 2017-05-29  Nathan Sidwell  <nathan@acm.org>
2086         PR c++/80891 (#1,#5)
2087         * cp-tree.h (lookup_maybe_add): Add DEDUPING argument.
2088         * name-lookup.c (name_lookup): Add deduping field.
2089         (name_lookup::preserve_state, name_lookup::restore_state): Deal
2090         with deduping.
2091         (name_lookup::add_overload): New.
2092         (name_lookup::add_value, name_lookup::add_fns): Call add_overload.
2093         (name_lookup::search_adl): Set deduping.  Don't unmark here.
2094         * pt.c (most_specialized_instantiation): Revert previous change,
2095         Assert not given duplicates.
2096         * tree.c (lookup_mark): Just mark the underlying decls.
2097         (lookup_maybe_add): Dedup using marked decls.
2099         PR c++/80891 (#4)
2100         * ptree.c (cxx_print_xnode): Show internal OVERLOAD structure.
2101         * tree.c (ovl_insert, ovl_iterator_remove_node): Fix copying assert.
2103         Stat hack representation
2104         * name-lookup.c (STAT_HACK_P, STAT_TYPE, STAT_DECL,
2105         MAYBE_STAT_DECL, MAYBE_STAT_TYPE): New.
2106         (stat_hack): New.
2107         (find_namespace_binding): Replace with ...
2108         (find_namespace_slot): ... this.
2109         (find_namespace_value): New.
2110         (name_lookup::search_namespace_only,
2111         name_lookup::adl_namespace_only): Adjust.
2112         (update_binding): Add SLOT parameter, adjust.
2113         (check_local_shadow): Use find_namespace_value.
2114         (set_local_extern_decl_linkage): Likewise.
2115         (do_pushdecl): Adjust for namespace slot.
2116         (push_local_binding): Assert not a namespace binding.
2117         (check_for_out_of_scope_variable): Use find_namespace_value.
2118         (set_identifier_type_value_with_scope): Likewise.
2119         (get_namespace_binding): Likewise.
2120         (set_namespace_binding): Delete.
2121         (set_global_binding): Directly update the binding.
2122         (finish_namespace_using_decl): Likewise.
2123         (lookup_type_scope_1): Use find_namespace_slot and update.
2124         (do_push_nested_namespace): Use find_namespace_value.
2126         PR c++/80891 (#1)
2127         * pt.c (most_specialized_instantiation): Cope with duplicate
2128         instantiations.
2130         PR c++/80891 (#3)
2131         * cp-tree.h (build_min_nt_call_vec): Declare.
2132         * decl.c (build_offset_ref_call_from_tree): Call it.
2133         * parser.c (cp_parser_postfix_expression): Likewise.
2134         * pt.c (tsubst_copy_and_build): Likewise.
2135         * semantics.c (finish_call_expr): Likewise.
2136         * tree.c (build_min_nt_loc): Keep unresolved lookups.
2137         (build_min): Likewise.
2138         (build_min_non_dep): Likewise.
2139         (build_min_non_dep_call_vec): Likewise.
2140         (build_min_nt_call_vec): New.
2142         PR c++/80891 (#2)
2143         * tree.c (ovl_copy): Adjust assert, copy OVL_LOOKUP.
2144         (ovl_used): New.
2145         (lookup_keep): Call it.
2147 2017-05-26  Nathan Sidwell  <nathan@acm.org>
2149         Implement DR2061
2150         * name-lookup.c (push_inline_namespaces): New.
2151         (push_namespace): Look inside inline namespaces.
2153         Inline and using namespace representation change.
2154         * cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
2155         inlinees as vector.
2156         (DECL_NAMESPACE_USING): Adjust.
2157         (DECL_NAMESPACE_INLINEES): New.
2158         * name-lookup.h (struct cp_binding_level): Change usings
2159         representation.
2160         * name-lookup.c (name_lookup::do_queue_usings,
2161         name_lookup::queue_usings): Adjust.
2162         (name_lookup::search_namespace, name_lookup::search_usings,
2163         name_lookup::queue_namespace): Adjust.
2164         (name_lookup::adl_namespace_only): Adjust.
2165         (add_using_namespace, push_namespace): Push onto vector.
2166         (pop_namespace): Add timing logic.
2168         * call.c (build_operator_new_call): Do namelookup and ADL here.
2169         (build_new_op_1): Likewise.
2170         * name-lookup.h (lookup_function_nonclass): Delete declaration.
2171         (do_using_directive): Likewise.
2172         * name-lookup.c (set_namespace_binding, push_local_binding): Don't
2173         declare early.
2174         (struct scope_binding): Delete.
2175         (EMPTY_SCOPE_BINDING): Delete.
2176         (set_decl_namespace): Use OVL_P.
2177         (finish_local_using_decl): Lose unnecesary checks.
2178         (lookup_function_nonclass): Delete.
2179         (cp_emit_debug_info_for_using): Use MAYBE_BASELINK_P.
2181         * cp-tree.h (OVL_CHAIN): Check looking at OVERLOAD.
2182         (ovl_iterator): Add allow_inner field.  Adjust ctor.  Make
2183         unduplicatable.
2184         (ovl_iterator::maybe_push, ovl_iterator::pop): New.
2185         (lkp_iterator): Add outer field.  Adjust ctor.
2186         (lkp_iterator::operator++): New.
2187         (lookup_mark, lookup_maybe_add): Declare.
2188         * name-lookup.c (name_lookup): Delete fn_set member.
2189         (name_lookup::preserve_state, name_lookup::restore_state): Unmark
2190         and mark lookup.
2191         (name_lookup::add_value): Use lookup_add directly.
2192         (name_lookup::add_fns: Use lookup_maybe_add.
2193         (name_lookup::search_adl): Mark and unmark fns.
2194         (pushdecl): Adjust.
2195         * pt.c (check_explicit_specialization): Use lookup_add directly.
2196         * ptree.c (cxx_print_xnode): Show complete overload structure.
2197         * tree.c (lookup_mark, lookup_maybe_add): New.
2199         * name-lookup.c (name_lookup::search_adl): ADL OMP UDR type args.
2201 2017-05-26  Jakub Jelinek  <jakub@redhat.com>
2203         * cp-tree.h (struct lang_decl_decomp): New type.
2204         (struct lang_decl): Add u.decomp.
2205         (LANG_DECL_DECOMP_CHECK): Define.
2206         (DECL_DECOMPOSITION_P): Note it is set also on the vars
2207         for user identifiers.
2208         (DECL_DECOMP_BASE): Define.
2209         (retrofit_lang_decl): Add extra int = 0 argument.
2210         * lex.c (retrofit_lang_decl): Add SEL argument, if non-zero
2211         use it to influence the selector choices and for selector
2212         0 to non-zero transition copy old content.
2213         (cxx_dup_lang_specific_decl): Handle DECL_DECOMPOSITION_P.
2214         * decl.c (poplevel): For DECL_DECOMPOSITION_P, check
2215         !DECL_DECOMP_BASE instead of !DECL_VALUE_EXPR.  Adjust warning
2216         wording if decl is a structured binding.
2217         (cp_finish_decomp): Pass 4 as the new argument to retrofit_lang_decl.
2218         Set DECL_DECOMP_BASE.  Ignore DECL_READ_P sets from initialization
2219         of individual variables for tuple structured bindings.
2220         (grokdeclarator): Pass 4 as the new argument to retrofit_lang_decl.
2221         Clear DECL_DECOMP_BASE.
2222         * decl2.c (mark_used): Mark DECL_DECOMP_BASE TREE_USED as well.
2223         * pt.c (tsubst_decomp_names): Assert DECL_DECOMP_BASE matches what
2224         is expected.
2225         * expr.c (mark_exp_read): Recurse on DECL_DECOMP_BASE instead of
2226         DECL_VALUE_EXPR.
2228 2017-05-25  Jason Merrill  <jason@redhat.com>
2230         PR c++/80605 - __is_standard_layout and zero-length array
2231         * class.c (check_bases): Use DECL_FIELD_IS_BASE.
2233 2017-05-25  Nathan Sidwell  <nathan@acm.org>
2235         Kill OVL_CURRENT, OVL_NEXT.
2236         * cp-tree.h (OVL_CURRENT, OVL_NEXT): Delete.
2237         * name-lookup.c (set_decl_namespace): Use ovl_iterator.
2238         (consider_binding_level): Use OVL_FIRST.
2239         (cp_emit_debug_info_for_using): Use lkp_iterator.
2240         * pt.c (check_explicit_specialization): Use ovl_iterator.       
2242         Kill DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS.
2243         * cp-tree.h (lang_decl_ns): Remove ns_users field.
2244         (DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS): Delete.
2245         (TREE_INDIRECT_USING): Delete.
2246         * name-lookup.h (is_associated_namespace): Delete.
2247         * name-lookup.c (name_lookup::search_usings,
2248         name_lookup::do_queue_usings): Usings are always direct.
2249         (is_associated_namespace): Delete.
2250         (handle_namespace_attrs): Use DECL_NAMESPACE_INLINE_P.
2251         (namespace_ancestor_1, namespace_ancestor): Delete.
2252         (push_using_directive_1, push_using_directive): Delete.
2253         (add_using_namespace_1): Delete.
2254         (add_using_namespace): Reimplement.
2255         (emit_debug_info_using_namespace): New.
2256         (finish_namespace_using_directive, finish_local_using_directive,
2257         push_namespace): Adjust.
2258         * tree.c (cp_free_lang_data): Remove DECL_NAMESPACE_USERS handling.
2260 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
2262         * semantics.c (finish_handler_parms): Warn about non-reference type
2263         catch handlers.
2265 2017-05-25  Nathan Sidwell  <nathan@acm.org>
2267         Reimplement unqualified namespace lookup.
2268         * name-lookup.c (name_lookup::using_pair,
2269         name_lookup::using_queue): New typedefs.
2270         (name_lookup::queue_namespace, name_lookup::do_queue_usings,
2271         name_lookup::queue_usings): New.
2272         (name_lookup::search_unqualified): New.
2273         (merge_functions, same_entity_p, ambiguous_decl,
2274         unqualified_namespace_lookup_1, unqualified_namespace_lookup,
2275         lookup_using_namespace): Delete.
2276         (lookup_name_real_1): Adjust.
2278         Reimplement qualified namespace lookup.
2279         * name-lookup.c (name_lookup::flags): New member.  Adjust ctor.
2280         (name_lookup::ambiguous, name_lookup::add_value,
2281         name_lookup::add_type, name_lookup::process_binding): New.
2282         (name_lookup::search_namespace_only,
2283         name_lookup::search_namespace, name_lookup::search_usings): New.
2284         (name_lookup::search_qualified): New.
2285         (do_nonmember_using_decl, suggest_alternatives_for,
2286         lookup_qualified_name): Adjust.
2287         (tree_vec_contains): Delete.
2288         (qualified_lookup_using_namespace): Rename to ...
2289         (qualified_namespace_lookup): ... here.  Reimplement.
2291         Reimplement ADL.
2292         * cp-tree.h (LOOKUP_SEEN_P, LOOKUP_FOUND_P): New.
2293         * name-lookup.h (lookup_arg_dependent): Return plain tree.
2294         * name-lookup.c (arg_lookup, arg_assoc, arg_assoc_args,
2295         arg_assoc_args_vec, arg_assoc_type, add_function,
2296         arg_assoc_namespace, arg_assoc_class_only, arg_assoc_bases,
2297         arg_assoc_class, arg_assoc_template_arg, arg_assoc,
2298         lookup_arg_dependent_1): Delete.
2299         (name_lookup): New lookup object.
2300         (name_lookup::preserve_state, name_lookup::restore_state,
2301         name_lookup::mark_seen, name_lookup::find_and_mark,
2302         name_lookup::add_fns, name_lookup::adl_namespace_only,
2303         name_lookup::adl_namespace, name_lookup::adl_class_only,
2304         name_lookup::adl_bases, name_lookup::adl_class,
2305         name_lookup::adl_expr, name_lookup::adl_type,
2306         name_lookup::adl_template_arg, name_lookup::search_adl): New.
2307         (lookup_arg_dependent): Return a plain tree.  Adjust.
2308         (is_associated_namespace): Move later.
2309         
2310 2017-05-24  Nathan Sidwell  <nathan@acm.org>
2312         * friend.c (do_friend): Remove check for existing decl.
2313         * name-lookup.h (lookup_name_innermost_nonclass_level): Delete.
2314         * name-lookup.c (push_local_binding): Directly look for binding.
2315         (lookup_name_innermost_nonclass_level_1): Delete.
2316         (lookup_name_innermost_nonclass_level): Delete.
2318         * Make-lang.in (CXX_AND_OBJCXX_OBJS): Alphabetize.
2320         * cp-tree.h (cp_free_lang_data): Add extern.
2321         (ovl_skip_hidden, is_overloaded_fn, really_overloaded_fn): Add
2322         ATTRIBUTE_PURE.
2323         (type_unknown_p): Return bool, make inline, lose TREE_LIST check.
2324         * typeck.c (type_unknown_p): Delete.
2325         * tree.c (is_overloaded_fn): Use MAYBE_BASELINE_FUNCTIONS, adjust
2326         overload management.
2327         (dependent_name): Likewise.
2328         (decl_anon_ns_mem_p): Simplify.
2330 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
2332         PR c++/80544
2333         * tree.c (reshape_init): Use unqualified type for direct enum init.
2334         * typeck.c (maybe_warn_about_cast_ignoring_quals): New.
2335         (build_static_cast_1, build_reinterpret_cast_1): Strip cv-quals from
2336         non-class destination types.
2337         (build_const_cast_1): Strip cv-quals from destination types.
2338         (build_static_cast, build_reinterpret_cast, build_const_cast)
2339         (cp_build_c_cast): Add calls to maybe_warn_about_cast_ignoring_quals.
2341 2017-05-24  Martin Sebor  <msebor@redhat.com>
2343         PR c/80731
2344         * call.c (fully_fold_internal): Adjust.
2346 2017-05-24  Nathan Sidwell  <nathan@acm.org>
2348         * cp-tree.h (ovl_skip_hidden): Declare.
2349         * tree.c (ovl_skip_hidden): New.
2350         * name-lookup.c (arg_assoc_namespace): Call ovl_skip_hidden.
2351         (lookup_arg_dependent_1): Likewise.
2352         (ambiguous_decl): Use DECL_HIDDEN_P, ovl_skip_hidden.
2353         (hidden_name_p, remove_hidden_names): Delete.
2354         (lookup_name_real_1): Do not strip hidden names.
2355         * name-lookup.h (hidden_name_p, remove_hidden_names): Delete.
2357         * cp-tree.h (OVL_HIDDEN_P): New.
2358         (ovl_iterator::hidden_p, ovl_iterator::reveal_node): New.
2359         (ovl_iterator::reveal_node): Declare.
2360         * tree.c (ovl_copy): Copy OVL_HIDDEN_P.
2361         (ovl_insert): Order on hiddenness.
2362         (ovl_iterator::reveal_node): New.
2363         * name-lookup.c (anticipated_builtin_p): New.
2364         (supplement_binding_1): Use it.
2365         (set_local_extern_decl_linkage): Use hidden_p.
2366         (do_pushdecl): Deal with unhiding a hidden decl, use
2367         anticipated_builtin_p.
2368         (do_nonmember_using_decl): Use anticipated_decl_p.
2369         (lookup_name_real_1): Use DECL_HIDDEN_P.
2371 2017-05-23  Jason Merrill  <jason@redhat.com>
2373         -Wunused and C++17 structured bindings
2374         * decl.c (poplevel): Don't warn about unused structured bindings,
2375         only real variables.
2376         * error.c (dump_simple_decl): Handle structured bindings.
2377         * expr.c (mark_exp_read): Look through DECL_VALUE_EXPR.
2379 2017-05-23  Nathan Sidwell  <nathan@acm.org>
2381         * cp-tree.h (PUSH_GLOBAL, PUSH_LOCAL, PUSH_USING): Delete.
2382         * name-lookup.c (create_local_binding): New.
2383         (update_binding): New.
2384         (pushdecl_maybe_friend_1): Rename to ...
2385         (do_pushdecl): ... this.  Reimplement.
2386         (pushdecl): Adjust.
2387         (push_overloaded_decl_1, push_overloaded_decl): Delete.
2389 2017-05-23  Jason Merrill  <jason@redhat.com>
2391         PR c++/80396 - built-in for make_integer_sequence.
2392         * pt.c (builtin_pack_fn_p, builtin_pack_call_p)
2393         (expand_integer_pack, expand_builtin_pack_call): New.
2394         (find_parameter_packs_r): Check builtin_pack_call_p.
2395         (check_for_bare_parameter_packs): Handle it.
2396         (tsubst_pack_expansion): Call expand_builtin_pack_call.
2397         (declare_integer_pack): New.
2398         (init_template_processing): Call it.
2399         * decl2.c (mark_used): Check builtin_pack_fn_p.
2401 2017-05-23  Nathan Sidwell  <nathan@acm.org>
2403         * name-lookup.c (find_namespace_binding): New.
2404         (pushdecl_maybe_friend_1): Use CP_DECL_CONTEXT.
2405         (set_identifier_type_value_with_scope): Use find_namespace_binding.
2406         (find_binding, cp_binding_level_find_binding_for_name,
2407         binding_for_name, namespace_binding_1): Delete.
2408         (push_overloaded_decl_1): Use CP_DECL_CONTEXT.
2409         (get_namespace_binding, set_namespace_binding,
2410         finish_namespace_using_decl, unqualified_namespace_lookup_1,
2411         qualified_lookup_using_namespace, lookup_type_scope_1,
2412         lookup_name_innermost_nonclass_level_1): Use find_namespace_binding.
2414         PR c++/80866
2415         * parser.c (cp_parser_template_id): Keep the lookup when stashing
2416         the template_id.
2418         * cp-tree.h (DECL_HIDDEN_P): New.
2419         * name-lookup.c (set_decl_context,
2420         set_local_extern_decl_linkage): New, broken out of ...
2421         (pushdecl_maybe_friend_1): ... here.  Call them.
2423 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
2425         * parser.c (OACC_KERNELS_CLAUSE_MASK): Add
2426         "PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS",
2427         "VECTOR_LENGTH".
2429 2017-05-23  Nathan Sidwell  <nathan@acm.org>
2431         * cp-tree.h (OVL_P): New.
2432         * name-lookup.h (push_local_binding): Delete.
2433         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
2434         (finish_namespace_using_decl, finish_local_using_decl): ... here
2435         * name-lookup.c (add_decl_to_level): Swap args.
2436         (pop_bindings_and_leave_scope): Look inside TREE_LIST.
2437         (diagnose_name_conflict): Check contexts are same for redecl.
2438         (update_local_overload): New.
2439         (compparms_for_decl_and_using): Rename to ...
2440         (matching_fn_p): ... here.
2441         (pushdecl_maybe_friend_1): Adjust add_decl_to_level,
2442         push_local_bindings call.
2443         (push_local_binding): Make static, replace FLAGS arg with
2444         IS_USING.
2445         (validate_nonmember_using_decl): Use OVL_FIRST.
2446         (do_nonmember_using_decl): Use in/out parameters.  Use
2447         lkp_iterator and simplify.
2448         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
2449         (finish_namespace_using_decl, finish_local_using_decl): ... here.
2450         Adjust.
2451         (lookup_type_current_level): Delete.
2452         * parser.c (cp_parser_using_declaration): Adjust.
2453         * pt.c (tsubst_expr): Adjust.
2455 2017-05-22  Nathan Sidwell  <nathan@acm.org>
2457         * name-lookup.h (parse_using_directive): Replace with ...
2458         (finish_namespace_using_directive): ... this and ...
2459         (finish_local_using_directive): ... this.
2460         * name-lookup.c (add_using_namespace_1): Move later.
2461         (add_using_namespace): Move later, add namespace_p arg, remove
2462         indirect arg.
2463         (push_using_directive_1): Directly recurse.
2464         (do_using_directive, parse_using_directive): Delete, split into ...
2465         (finish_namespace_using_directive): ... this and ...
2466         (finish_local_using_directive): ... this.
2467         (push_namespace): Use add_using_namespace.
2468         * parser.c (cp_parser_using_directive): Call
2469         finish_namespace_using_directive or finish_local_using_directive.
2470         * pt.c (tsubst_expr): Call finish_local_using_directive.
2472         * cp-objcp-common.c (cp_register_dumps): Register raw dumper.
2473         * cp-tree.h (raw_dump_id): Declare.
2474         * decl2.c (raw_dump_id): Define.
2475         (dump_tu): Use raw_dump_id.
2477         * config-lang.in (gtfiles): Sort list, break lines.
2479         * cp-tree.h (CPTI_TERMINATE, CPTI_CALL_UNEXPECTED): Rename to ...
2480         (CPTI_TERMINATE_FN, CPTI_CALL_UNEXPECTED_FN): ... here.
2481         ( CPTI_GET_EXCEPTION_PTR_FN, CPTI_BEGIN_CATCH_FN, CPTI_END_CATCH_FN,
2482         CPTI_ALLOCATE_EXCEPTION_FN, CPTI_FREE_EXCEPTION_FN, CPTI_THROW_FN,
2483         CPTI_RETHROW_FN): New.
2484         (noexcept_deferred_spec): New.
2485         (terminate_node, call_unexpected_node): Rename to ...
2486         (terminate_fn, call_unexpected_fn): ... here.
2487         (get_exception_ptr_fn, begin_catch_fn, end_catch_fn,
2488         allocate_exception_fn, free_exception_fn, throw_fn, rethrow_fn): New.
2489         * except.c (fn1..fn5, throw_fn, rethrow_rn, spec): Delete.
2490         (init_exception_processing): Adjust.
2491         (declare_library_fn): Create and push the fns here.
2492         (do_get_exception_ptr, do_begin_catch, do_end_catch,
2493         do_allocate_exception_ptr, do_free_exception_ptr): Adjust
2494         declare_library_fn use.
2495         (unevaluated_noexcept_spec): Adjust.
2496         * cp-gimplify.c (genericize_eh_spec_block,
2497         gimplify_most_not_throw_expr): Adjust.
2499         * name-lookup.c (pushdecl_top_level,
2500         pushdecl_top_level_and_finish): Move after namespace pushing and
2501         popping functions.
2502         (push_to_top_level): Rename to ...
2503         (do_push_to_top_level): ... here.  Remove timing code.
2504         (pop_from_top_level_1): Rename to ...
2505         (do_pop_from_top_level): ... here.
2506         (do_push_nested_namespace, do_pop_nested_namespace)
2507         (push_to_top_level): New wrapper for do_push_to_top_level.
2508         (pop_from_top_level): Adjust.
2509         (push_nested_namepace, pop_nested_namespace): Wrappers for workers.
2511 2017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2513         * config-lang.in (gtfiles): Add c-family/c-format.c,
2514         except.c, init.c, lambda.c and friend.c.
2515         * class.c (dvirt_fn): Move out of function scope,
2516         add GTY attribute.
2517         * except.c (fn1-5, throw_fn, rethrow_fn, spec): Likewise.
2518         * init.c (fn): Likewise.
2519         * lambda.c (ptr_id, max_id): Likewise.
2520         * friend.c (global_friend): Add GTY attribute.
2522 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2524         * call.c (add_list_candidates): Use OVL_FIRST.
2525         (build_new_method_call_1): Likewise.
2526         * cp-tree.h (OVL_SINGLE_P): New.
2527         (TYPE_HIDDEN_P): New.
2528         * decl.c (xref_tag_1): Use TYPE_HIDDEN_P.
2529         * dump.c (cp_tump_tree): Adjust overload dumping.
2530         * error.c (dump_decl): Use OVL_SINGLE_P, simplify context
2531         printing.
2532         * method.c (lazily_declare_fn): Assert we added it.
2533         * parser.c (cp_parser_nested_name_specifier): Use OVL_SINGLE_P,
2534         OVL_FIRST.
2535         (cp_parser_template_name): Use lkp_iterator.
2536         * pt.c (begin_template_parm_list): Fixup comment.
2537         (instantiate_class_template_1): Use TYPE_HIDDEN_P.
2538         * tree.c (ovl_iterator::remove_node): Cope with inherited ctors.
2539         (ovl_scope): Use lkp_iterator.
2541 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
2543         * parser.c (cp_parser_omp_clause_default): Handle
2544         "OMP_CLAUSE_DEFAULT_PRESENT".
2546         * parser.c (cp_parser_omp_clause_default): Avoid printing more
2547         than one syntax error message.
2549 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2551         * class.c (class_dump_id): Define.
2552         (dump_class_hierarchy, dump_vtable, dump_vtt): Use it.
2553         * cp-objcp-common.c (cp_register_dumps): New.
2554         * cp-objcp-common.h (cp_register_dumps): Declare.
2555         (LANG_HOOKS_REGISTER_DUMPS): Override.
2556         * cp-tree.h (class_dump_id): Declare.
2558 2017-05-18  Nathan Sidwell  <nathan@acm.org>
2560         * cp-tree.h (OVL_ARG_DEPENDENT): Delete.
2561         (OVL_USED_P): New.
2562         (lookup_keep): Declare.
2563         * name-lookup.c (add_function): Don't set OVL_ARG_DEPENDENT.
2564         * pt.c (tsubst_copy): Assert lookup is persistent.
2565         * semantics.c (finish_call_expr): Use lkp_iterator, call
2566         lookup_keep.
2567         * tree.c (ovl_copy): New.
2568         (ovl_insert, ovl_iterator::remove_node): Copy immutable nodes.
2569         (lookup_keep): New.
2571         * cp-tree.h (OVL_USED): Replace with ...
2572         (OVL_USING_P): ... this.
2573         (ovl_iterator::using_p): Adjust.
2574         * name-lookup.c (push_overloaded_decl_1,
2575         do_nonmember_using_decl): Adjust.
2576         * search.c (lookup_field_r): Adjust.
2577         * tree.c (ovl_insert, ovl_scope): Adjust.
2579         * cp-tree.h (lookup_add): Swap args.
2580         (ovl_cons, build_overload): Delete.
2581         * name-lookup.c (add_function, push_overloaded_decl_1,
2582         do_nonmember_using_decl, merge_functions, remove_hidden_names):
2583         Use lookup_add, ovl_insert.
2584         * pt.c (check_explicit_specialization): Use lookup_add.
2585         (do_class_deduction): Likewise. Refactor if.
2586         * tree.c (lookup_add): Swap args.
2587         (ovl_cons, build_overload): Delete.
2589         * name-lookup.c (find_local_binding): New, broken out of ...
2590         (lookup_name_innermost_nonclass_level_1): ... here.  Call it.
2591         (set_namespace_binding): Swap scope & name args.
2592         (namespace_binding_1): Likewise.
2593         (pushdecl_maybe_friend_1): Adjust set_namespace_binding call.
2594         (push_overloaded_decl_1): Likewise.
2595         (set_global_binding): Likewise.
2596         (get_namespace_binding): Adjust namespace_binding_1 call.
2598 2017-05-17  Nathan Sidwell  <nathan@acm.org>
2600         * cp-tree.h (default_hash_traits <lang_identifier *>): New
2601         specialization.
2602         * name-lookup.c (lookup_extern_c_fun_in_all_ns): Delete.
2603         (extern_c_fns): New hash table.
2604         (check_extern_c_conflict): New, broken out of ...
2605         (pushdecl_maybe_friend_1): ... here.  Call it.
2606         (c_linkage_bindings): Just look in hash table.
2608 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
2610         PR c++/80654
2611         PR c++/80682
2612         Implement new C++ intrinsics __is_assignable and __is_constructible.
2613         * cp-tree.h (CPTK_IS_ASSIGNABLE, CPTK_IS_CONSTRUCTIBLE): New.
2614         (is_xible): New.
2615         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
2616         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
2617         * method.c (constructible_expr): Set cp_unevaluated.
2618         (is_xible_helper): New.
2619         (is_trivially_xible): Adjust.
2620         (is_xible): New.
2621         * parser.c (cp_parser_primary_expression): Handle
2622         RID_IS_ASSIGNABLE and RID_IS_CONSTRUCTIBLE.
2623         (cp_parser_trait_expr): Likewise.
2624         * semantics.c (trait_expr_value): Handle
2625         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
2627 2017-05-17  Nathan Sidwell  <nathan@acm.org>
2629         * cp-tree.h (ovl_iterator::using_p): New predicate.
2630         (ovl_iterator::remove_node): New worker.
2631         (ovl_insert): Declare.
2632         * tree.c (ovl_insert): New.
2633         (ovl_iterator::remove_node): New.
2634         * class.c (add_method): Use ovl_iterator, ovl_insert.
2635         (clone_function_decl): Fix description.
2636         (clone_constructors_and_destructors): Use ovl_iterator.
2638         * class.c (handle_using_decl): Use OVL_FIRST, ovl_iterator.
2639         (maybe_warn_about_overly_private_class): Use ovl_iterator.
2640         (method_name_cmp, resort_method_name_cmp): Use OVL_NAME.
2641         (resort_type_method_vec, finish_struct_methods): Use OVL_FIRST.
2642         (get_base_fndecls): Use ovl_iterator.
2643         (warn_hidden): Use OVL_NAME, ovl_iterator.
2644         (add_implicitly_declared_members): Use ovl_iterator.
2645         * constraint.cc (normalize_template_id_expression): Use OVL_FIRST,
2646         flatten nested if.
2647         (finish_shorthand_constraint): Simplify, use ovl_make.
2648         * pt.c (make_constrained_auto): Simplify.  Use ovl_make.
2649         * search.c (shared_member_p): Use ovl_iterator.
2650         (lookup_field_fuzzy_info::fuzzy_lookup_fn): Use OVL_NAME.
2651         (lookup_conversion_operator): Use OVL_FIRST.
2652         (lookup_fnfiels_idx_nolazy): Use OVL_FIRST, OVL_NAME.
2653         (look_for_overrides_here): Use ovl_iterator.
2654         (lookup_conversions_r): Use OVL_FIRST, OVL_NAME, ovl_iterator.
2655         * typeck.c (build_x_unary_op): Use ovl_make.
2657 2017-05-17  Martin Liska  <mliska@suse.cz>
2659         * class.c (dump_class_hierarchy): Introduce dump_flags_t type and
2660         use it instead of int type.
2661         (dump_vtable): Likewise.
2662         (dump_vtt): Likewise.
2663         * decl2.c (dump_tu): Likewise.
2665 2017-05-16  David Malcolm  <dmalcolm@redhat.com>
2667         * call.c (enforce_access): Add access_failure_info * param and use
2668         it to record access failures.
2669         * cp-tree.h (class access_failure_info): New class.
2670         (enforce_access): Add access_failure_info * param, defaulting to
2671         NULL.
2672         (lookup_member): Likewise.
2673         (locate_field_accessor): New function decl.
2674         (perform_or_defer_access_check): Add access_failure_info * param,
2675         defaulting to NULL.
2676         * search.c (lookup_member): Add access_failure_info * param and
2677         pass it on to call to perform_or_defer_access_check.
2678         (matches_code_and_type_p): New function.
2679         (field_access_p): New function.
2680         (direct_accessor_p): New function.
2681         (reference_accessor_p): New function.
2682         (field_accessor_p): New function.
2683         (struct locate_field_data): New struct.
2684         (dfs_locate_field_accessor_pre): New function.
2685         (locate_field_accessor): New function.
2686         * semantics.c (perform_or_defer_access_check): Add
2687         access_failure_info * param, and pass it on to call to
2688         enforce_access.
2689         * typeck.c (access_failure_info::record_access_failure): New method.
2690         (access_failure_info::maybe_suggest_accessor): New method.
2691         (finish_class_member_access_expr): Pass an access_failure_info
2692         instance to the lookup_member call, and call its
2693         maybe_suggest_accessor method afterwards.
2695 2017-05-16  Marek Polacek  <polacek@redhat.com>
2697         PR sanitizer/80536
2698         PR sanitizer/80386
2699         * cp-gimplify.c (cp_fold): Handle SAVE_EXPR.
2701 2017-05-16  Nathan Sidwell  <nathan@acm.org>
2703         * name-lookup.c (check_local_shadow): New, broke out of ...
2704         (pushdecl_maybe_friend_1): ... here.  Call it.
2706         * cp-tree.h (OVL_NESTED_P, OVL_LOOKUP_P): New.
2707         (ovl_first): Move inline definition to end of file.
2708         (ovl_make, lookup_add): Declare.
2709         (get_fns, get_first_fn): Make pure.
2710         * tree.c (ovl_cache): New.
2711         (ovl_make, lookup_add): New.
2712         * pt.c (do_class_deduction): Don't add candidates that will be
2713         elided.
2715         * call.c (build_user_type_conversion_1): Use OVL_FIRST.
2716         (print_error_for_call_failure): Use OVL_NAME.
2717         (build_op_call_1): Use ovl_iterator.
2718         (add_candidates): Use OVL_FIRST & lkp_iterator.
2719         (build_op_delete_call): Use MAYBE_BASELINK_FUNCTIONS &
2720         lkp_iterator.
2721         * class.c (deduce_noexcept_on_destructors): Use ovl_iterator.
2722         (type_has_user_nondefault_constructor,
2723         in_class_defaulted_default_constructor,
2724         type_has_user_provided_constructor,
2725         type_has_user_provided_or_explicit_constructor,
2726         type_has_non_user_provided_default_constructor,
2727         vbase_has_user_provided_move_assign,
2728         type_has_move_constructor, type_has_move_assign,
2729         type_has_user_declared_move_constructor,
2730         type_has_user_declared_move_assign,
2731         type_build_ctor_call, type_build_dtor_call,
2732         type_requires_array_cookie, explain_non_literal_class): Likewise.
2733         (finish_struct): Use lkp_iterator.
2734         (resolve_address_of_overloaded_function): Use OVL_NAME, lkp_iterator.
2735         (note_name_declared_in_class): Use OVL_NAME.
2736         * cxx-pretty-print.c (pp_cxx_unqualified_id): Use OVL_FIRST.
2737         (pp_cxx_qualified_id, cxx_pretty_printer::id_expression,
2738         cxx_pretty_printer::expression): Likewise.
2739         * decl2.c (check_classfn): Use ovl_iterator.
2740         * pt.c (retrieve_specialization): Use ovl_iterator.
2741         * tree.c (cp_tree_equal): Use lkp_iterator.
2742         (type_has_nontrivial_copy_init): Use ovl_iterator.
2744         * typeck2.c (cxx_incomplete_type_diagnostic): Revert change and
2745         check is_overloaded_fn.
2747 2017-05-16  Martin Liska  <mliska@suse.cz>
2749         * parser.c (cp_lexer_print_token): Add default value for flags
2750         argument of print_gimple_stmt, print_gimple_expr,
2751         print_generic_stmt and print_generic_expr.
2753 2017-05-16  Nathan Sidwell  <nathan@acm.org>
2755         * cp-tree.h (class ovl_iterator, class lkp_iterator): New OVERLOAD
2756         iterators.
2757         (MAYBE_BASELINK_FUNCTIONS): New.
2758         * constraint.cc (resolve_constraint_check): Use lkp_iterator.
2759         * decl2.c (maybe_warn_sized_delete): Use ovl_iterator.
2760         * lambda.c (maybe_generic_this_capture): Use lkp_iterator.
2761         * method.c (inherited_ctor_binfo): Use ovl_iterator.
2762         (binfo_inherited_from): Likewise.
2763         * parser.c (lookup_literal_operator): Use lkp_iterator.
2764         * pt.c (iterative_hash_template_arg): Use lkp_iterator.
2765         (print_candidates_1): Likewise.
2766         (determine_specialization): Likewise.
2767         (resolve_overloaded_unification): Likewise.
2768         (resolve_nondeduced_context): Likewise.
2769         (type_dependent_expression_p): Likewise.
2770         (dependent_template_p): Likewise.
2771         * ptree.c (cxx_print_xnode): Likewise.
2772         * semantics.c (omp_reduction_lookup): Use lkp_iterator.
2773         (classtype_has_nothrow_assign_or_copy_p): Use ovl_iterator.
2774         * typeck.c (check_template_keyword): Use lkp_iterator.
2776         * cp-tree.h (OVL_FIRST, OVL_NAME): New.
2777         (ovl_first): New.
2778         * constexpr.c (function_concept_check): Use OVL_FIRST.
2779         * cvt.c (build_expr_type_conversion): Likewise.
2780         * decl.c (poplevel, grokdeclarator): Use OVL_NAME.
2781         * decl2.c (mark_used): Use OVL_FIRST.
2782         * error.c (dump_decl): Use OVL_FIRST, OVL_NAME.
2783         (dump_expr, location_of): Use OVL_FIRST.
2784         * friend.c (do_friend): Use OVL_NAME.
2785         * init.c (build_offset_ref): Use OVL_FIRST.
2786         * mangle.c (write_member_name): Likewise.
2787         (write_expression): Use OVL_NAME.
2788         * method.c (strip_inheriting_ctors): Use OVL_FIRST.
2789         * name-lookup.c (pushdecl_class_level): Use OVL_NAME.
2790         * pt.c (check_explicit_specialization): Use OVL_FIRST.
2791         (check_template_shadow): Likewise.
2792         (tsubst_template_args): Use OVL_NAME.
2793         (tsubst_baselink): Use OVL_FIRST.
2794         * semantics.c (perform_koenig_lookup): Use OVL_NAME.
2795         * tree.c (get_first_fn): Use OVL_FIRST.
2796         * typeck.c (finish_class_member_access_expr): Use OVL_NAME.
2797         (cp_build_addr_expr_1): Use OVL_FIRST.
2799         * pt.c (tsubst_copy_and_build): Remove unnecessary COMPONENT_REF
2800         peeking.
2801         * semantics.c (finish_id_expression): Directly init local var.
2802         (finish_omp_reduction_clause): Use really_overloaded_fn.
2803         * tree.c (get_fns): Document.  Assert we got an overload.
2804         (get_first_fn) Document.
2805         * typeck.c (cp_build_addr_expr_1): Pass arg directly to
2806         really_overloaded_fn.
2807         * typeck2.c (cxx_incomplete_type_diagnostic): Use get_first_fn directly.
2809         * cp-tree.h (SCOPE_DEPTH): New.
2810         * name-lookup.h (is_nested_namespace): Declare.
2811         * name-lookup.c (is_nested_namespace): New.
2812         (is_ancestor): Use it.
2813         (set_decl_namespace): Likewise.
2814         (push_namespace): Set SCOPE_DEPTH.
2815         * pt.c (check_specialization_namespace): Use is_nested_namespace.
2816         (check_unqualigied_spec_or_inst): Likewise.
2818 2017-05-15  Nathan Sidwell  <nathan@acm.org>
2820         PR c++/79369
2821         * cp-tree.h (DECL_NAMESPACE_INLINE_P): New.
2822         * name-lookup.h (push_namespace): Return int, add make_inline arg.
2823         * name-lookup.c (push_namespace): Deal with inline directly.
2824         Return pushed count.
2825         * parser.c (cp_parser_namespace_definition): Adjust for
2826         push_namespace change.
2828 2017-05-11  Nathan Sidwell  <nathan@acm.org>
2830         * cp-lang.c (get_global_decls, cxx_pushdecl, LANG_HOOK_GETDECLS,
2831         LANG_HOOKS_PUSHDECL): Move to ...
2832         * cp-objcp-common.c (cp_get_global_decls, cp_pushdec,
2833         LANG_HOOK_DECLS, LANG_HOOKS_PUSHDECL): ... here.
2834         * cp-objcp-common.h (cp_get_global_decls, cp_pushdecl): Declare.
2836         * name-lookup.h (pushdecl): Add default friend parm.
2837         (pushdecl_maybe_friend): Delete.
2838         (pushdecl_top_level): Add default friend parm.
2839         (pushdecl_top_level_maybe_friend): Delete.
2840         * name-lookup.c (pushdecl_maybe_friend): Delete.
2841         (pushdecl): Add is_friend parm.
2842         (pushdecl_top_level): Add is friend_parm.
2843         (pushdecl_top_level_maybe_friend, pushdecl_top_level_1): Delete.
2844         (pushdecl_top_level_and_finish): Do pushing and finishing directly.
2845         * friend.c (do_friend): Adjust.
2846         * pt.c (tsubst_friend_class): Adjust.
2848         Revert pushdecl_top_level_and_finish name change.
2849         * name-lookup.h (pushdecl_top_level_and_finish): Resurrect old name.
2850         * name-lookup.c (pushdecl_top_level_and_finish): Likewise.
2851         * decl.c (cp_make_fname_decl): Adjust.
2852         * decl2.c (get_guard, handle_tls_init):  Adjust.
2853         * rtti.c (get_tinfo_decl, tinfo_base_init):  Adjust.
2855         * name-lookup.c (pushdecl_outermost_localscope): Always
2856         conditionally stop timer.
2858         * decl.c (xref_tag_1): Don't frob ts_lambda scope here.
2859         * name-lookup.c (pushtag_1): Deal with ts_lambda scope.
2861         * cp-tree.h (pushdecl, pushdecl_maybe_friend, pushtag,
2862         pushtag_top_level_maybe_friend,
2863         pushdecl_top_level_and_finish): Move declarations to ...
2864         * name-lookup.h: ... here.  Group pushdecl variants.
2865         (pushdecl_top_level_and_finish): Rename to ...
2866         (pushdecl_top_level_with_init): ... here.
2867         * decl.c (cp_make_fname_decl): Use pushdecl_top_level_with_init.
2868         * decl2.c (get_guard, handle_tls_init): Likewise.
2869         * rtti.c (get_tinfo_decl, tinfo_base_init): Likewise.
2870         * lambda.c (maybe_add_lambda_conv_op): Use namespace_bindings_p.
2871         * method.c (implicitly_declare_fn): Likewise.
2872         * searchc (node_debug_info_needed): Likewise.
2873         * name-lookup.c (pushdecl_top_level_and_finish): Rename to ...
2874         (pushdecl_top_level_with_init): ... here.
2875         (pop_everything): Use namespace_bindings_p.
2877         * name-lookup.h (pop_binding): Rename to pop_local_binding.
2878         (getdecls): Rename to get_local_decls.
2879         * name-lookup.c (pop_binding): Rename to ...
2880         (pop_local_binding): ... here.
2881         (pop_bindings_and_leave_scope): Adjust.
2882         (getdecls): Rename to ...
2883         (get_local_decls): ... here.  Assert local scope.
2884         * decl.c (poplevel): Assert not namespace.  Adjust and simplify
2885         logic.
2886         (store_parm_decls): Adjust get_local_decls call.
2887         (parser.c (synthesize_implicit_template_parm): Likewise.
2889 2017-05-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
2891         PR c++/80682
2892         * method.c (is_trivially_xible): Reject void types.
2894 2017-05-10  Nathan Sidwell  <nathan@acm.org>
2896         * class.c (handle_using_decl): Always use OVL_CURRENT.
2897         (resolve_address_of_overloaded_function): Move iterator decl into
2898         for scope.  Don't strip anticipated decls here.
2900         * pt.c (print_candidates_1): Separate TREE_LIST and OVERLOAD
2901         printing.
2902         (print_candidates): Adjust.
2904         * cp-tree.h (build_new_function_call): Lose koenig_p arg.  Fix
2905         line breaking.
2906         * call.c (build_new_function_call): Lose koenig_p arg.  Remove
2907         koenig_p handling here.
2908         * pt.c (push_template_decl_real): Unconditionally retrofit_lang_decl.
2909         (tsubst_omp_clauses): Likewise.
2910         (do_class_deduction): Adjust buld_new_function_call calls.
2911         * semantics.c (finish_call_expr): Likewise.
2913 2017-05-10  Jason Merrill  <jason@redhat.com>
2915         * pt.c (unify_parameter_deduction_failure, unify_cv_qual_mismatch)
2916         (unify_type_mismatch, unify_parameter_pack_mismatch)
2917         (unify_ptrmem_cst_mismatch, unify_expression_unequal)
2918         (unify_parameter_pack_inconsistent, unify_inconsistency)
2919         (unify_vla_arg, unify_method_type_error, unify_arity)
2920         (unify_arg_conversion, unify_no_common_base)
2921         (unify_inconsistent_template_template_parameters)
2922         (unify_template_deduction_failure)
2923         (unify_template_argument_mismatch)
2924         (unify_overload_resolution_failure): Call unify_invalid.
2926         CWG 1847 - Clarifying compatibility during partial ordering
2927         * pt.c (more_specialized_fn): No order between two non-deducible
2928         parameters.
2930         * pt.c (dependent_type_p): Make sure we aren't called with
2931         global_type_node.
2933         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
2934         * pt.c (convert_template_argument): Just return an argument pack.
2935         (coerce_template_parameter_pack, template_parm_to_arg)
2936         (extract_fnparm_pack, make_argument_pack, tsubst_template_args)
2937         (tsubst_decl, tsubst, type_unification_real, unify_pack_expansion):
2938         Don't set the type of a NONTYPE_ARGUMENT_PACK.
2939         * parser.c (make_char_string_pack, make_string_pack): Likewise.
2941 2017-05-10  Nathan Sidwell  <nathan@acm.org>
2943         * cp-tree.h (add_method, clone_function_decl): Change last arg to
2944         bool.
2945         * class.c (add_method): Change third arg to bool.  Adjust.
2946         (one_inheriting_sig, one_inherited_ctor): Adjust.
2947         (clone_function_decl): Change 2nd arg to bool.  Adjust.
2948         (clone_constructors_and_destructors): Adjust.
2949         * lambda.c (maybe_add_lambda_conv_op): Adjust.
2950         * method.c (lazily_declare_fn): Adjust.
2951         * pt.c (tsubst_decl, instantiate_template_1): Adjust.
2952         * semantics.c (finish_member_declaration): Adjust.
2954 2017-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
2956         PR c++/80145
2957         * decl.c (finish_function): To improve error recovery, change the
2958         logic for calling apply_deduced_return_type.
2960 2017-05-09  Jason Merrill  <jason@redhat.com>
2962         PR c++/80605 - __is_standard_layout and empty base
2963         * class.c (check_bases): Ignore empty bases.
2965         PR c++/70979 - literal class and closure types
2966         * class.c (finalize_literal_type_property): Handle closures
2967         specifically.
2968         (explain_non_literal_class): Likewise.
2970         PR c++/66297, DR 1684 - literal class and constexpr member fns
2971         * constexpr.c (is_valid_constexpr_fn): Only complain about
2972         non-literal enclosing class in C++11.
2973         * class.c (finalize_literal_type_property): Likewise.
2975 2017-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
2977         PR c++/80186
2978         * pt.c (tsubst_decl): Early return error_mark_node if
2979         grok_ctor_properties returns false.
2981 2017-05-09  Jason Merrill  <jason@redhat.com>
2983         PR c++/70167 - array prvalue treated as lvalue
2984         * cp-tree.h (CONSTRUCTOR_C99_COMPOUND_LITERAL): New.
2985         (enum fcl_t): New.
2986         * semantics.c (finish_compound_literal): Add fcl_context parameter.
2987         Only make a static variable for C99 syntax.
2988         * parser.c (cp_parser_postfix_expression): Pass it.
2989         * pt.c (tsubst_copy_and_build): Likewise.
2990         * call.c (extend_ref_init_temps): Set
2991         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2993 2017-05-09  Nathan Sidwell  <nathan@acm.org>
2995         * cp-lang.c (get_global_decls, cxx_pushdecl): New.
2996         (LANG_HOOKS_GETDECLS, LANG_HOOKS_PUSHDECL): Override.
2997         * name-lookup.h (pushdecl_top_level): Declare.
2999 2017-05-08  Jason Merrill  <jason@redhat.com>
3001         PR c++/80178 - parameter passing for uncopyable classes
3002         * tree.c (type_has_nontrivial_copy_init): True for classes with only
3003         deleted copy/move ctors.
3004         (remember_deleted_copy, maybe_warn_parm_abi): New.
3005         * decl.c (require_complete_types_for_parms, check_function_type):
3006         Call maybe_warn_parm_abi.
3007         * call.c (convert_for_arg_passing, build_cxx_call): Likewise.
3009 2017-05-08  Nathan Sidwell  <nathan@acm.org>
3011         * decl.c (builtin_function_1): Set DECL_ANTICIPATED before pushing.
3012         (start_preparsed_function): Do decl pushing before setting
3013         current_funciton_decl and announcing it.
3015         * name-lookup.h (pushdecl_with_scope): Replace with ...
3016         (pushdecl_outermost_localscope): ... this.
3017         * name-lookup.c (pushdecl_with_scope): Replace with ...
3018         (pushdecl_outermost_localscope): ... this.
3019         (pushdecl_namespace_level): Adjust.
3020         * decl.c (cp_make_fname_decl): Use pushdecl_outermost_localscope.
3021         * lambda.c (insert_capture_proxy): Likewise.
3023         * class.c (build_vtbl_initializer): Don't shadow outer variable
3024         with static var.
3026         Revert _binding -> _value change.
3027         * name-lookup.h (get_namespace_value, set_global_value): Rename to ...
3028         (get_namespace_binding, set_global_binding): ... these.
3029         * name-lookup.c (get_namespace_value, set_global_value): Rename to ...
3030         (get_namespace_binding, set_global_binding): ... these.
3031         (arg_assoc_namespace, pushdecl_maybe_friend_1,
3032         check_for_out_of_scope_variable, push_overloaded_decl_1,
3033         lookup_name_innermost_nonclass_level, push_namespace): Adjust.
3034         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
3035         SET_IDENTIFIER_GLOBAL_VALUE): Adjust.
3036         * decl.c (poplevel): Adjust.
3037         * pt.c (make_constrained_auto): Likewise.
3039 2017-05-07  Volker Reichelt  <v.reichelt@netcologne.de>
3041         PR translation/80280
3042         * call.c (print_z_candidate): Fix quoting.
3044 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
3046         * error.c (pedwarn_cxx98): Replace report_diagnostic
3047         with diagnostic_report_diagnostic.
3049 2017-05-05  Nathan Sidwell  <nathan@acm.org>
3051         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE): Use get_namespace_value.
3052         (SET_IDENTIFIER_GLOBAL_VALUE): Use set_global_value.
3053         (IDENTIFIER_NAMESPACE_VALUE): Delete.
3054         * name-lookup.h (namespace_binding, set_namespace_binding): Replace
3055         with ...
3056         (get_namespace_value, set_global_value): ... these.
3057         (get_global_value_if_present, is_typename_at_global_scope): Delete.
3058         * decl.c (poplevel): Use get_namespace_value.
3059         (grokdeclarator): Use IDENTIFIER_GLOBAL_VALUE.
3060         * class.c (build_vtbl_initializer): Stash library decl in
3061         static var. Use IDENTIFIER_GLOBAL_VALUE.
3062         * except.c (do_get_exception_ptr, do_begin_catch, do_end_catch,
3063         do_allocate_exception, do_free_exception, build_throw): Likewise.
3064         * init.c (throw_bad_array_new_length): Likewise.
3065         * rtti.c (throw_bad_cast, throw_bad_typeid): Likewise.
3066         * name-lookup.c (arg_assoc_namespace, pushdecl_maybe_friend_1,
3067         check_for_our_of_scope_variable, push_overloaded_decl_1): Use
3068         get_namespace_value.
3069         (set_namespace_binding_1): Rename to
3070         (set_namespace_binding): ... here.
3071         (set_global_value): New.
3072         (lookup_name_innermost_nonclass_level_1, push_namespace): Use
3073         get_namespace_value.
3074         * pt.c (listify): Use get_namespace_value.
3076         * call.c (make_temporary_var_for_ref_to_temp): Push decl into
3077         current scope.
3078         * lex.c (unqualified_name_lookup_error): Likewise.
3080         * class.c (alter_class): Use retrofit_lang_decl directly.
3081         * decl.c (push_local_name, dupliate_decls): Likewise.
3082         * semantics.c (omp_privatize_field): Likewise.
3084         Kill walk_namespaces.
3085         * cp-tree.h (walk_namespaces_fn, walk_namespaces): Delete.
3086         * decl.c (walk_namespaces_r, walk_namespaces): Delete.
3088         Kill per-namespace static_decls.
3089         * cp-tree.h (static_decls): Declare.
3090         (wrapup_globals_for_namespace,
3091         diagnose_inline_vars_for_namespace): Replace with ...
3092         (wrapup_namespace_globals): ... this.
3093         * decl.c (static_decls): Define.
3094         (wrapup_globals_for_namespace,
3095         diagnose_inline_vars_for_namespace): Replace with ...
3096         (wrapup_namespace_globals): ... this.
3097         (cxx_init_decl_processing): Initialize static_decls.
3098         * decl2.c (c_parse_final_cleanups): Adjust.
3099         * name-lookup.h (cp_binding_level): Remove static_decls member.
3100         * name-lookup.c (add_decl_to_level): Adjust.
3101         (begin_scope): Adjust.
3103 2017-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
3105         PR c++/71577
3106         * decl.c (reshape_init): Unconditionally return error_mark_node
3107         upon error about too many initializers.
3109 2017-05-04  Nathan Sidwell  <nathan@acm.org>
3111         * constraint.cc (diagnose_check_constraint): Fix %E thinko.
3113 2017-05-04  Martin Sebor  <msebor@redhat.com>
3115         PR translation/80280
3116         * call.c (print_z_candidate): Add missing quoting to %D and other
3117         like directives.
3118         (build_op_call_1): Same.
3119         * constraint.cc (diagnose_check_constraint): Same.
3120         * mangle.c (mangle_decl): Same.
3121         * name-lookup.c (cp_binding_level_debug): Same.
3122         (set_decl_namespace): Same.
3123         * parser.c (cp_parser_tx_qualifier_opt): Same.
3124         * pt.c (print_candidates_1): Same.
3125         (check_template_variable): Same.
3126         (tsubst_default_argument): Same.
3127         (most_specialized_partial_spec): Same.
3128         * semantics.c (omp_reduction_lookup): Same.
3129         * tree.c (check_abi_tag_redeclaration): Same.
3130         * typeck.c (comptypes): Same.
3131         * typeck2.c (abstract_virtuals_error_sfinae): Same.
3133 2017-05-04  Nathan Sidwell  <nathan@acm.org>
3135         More global trees.
3136         * cp-tree.h (enum cp_tree_index): Add CPTI_GLOBAL,
3137         CPTI_GLOBAL_TYPE, CPTI_GLOBAL_IDENTIFIER, CPTI_ANON_IDENTIFIER,
3138         CPTI_INIT_LIST_IDENTIFIER.
3139         (global_namespace, global_type_node, global_identifier,
3140         anon_identifier, init_list_identifier): New.
3141         * decl.c (global_type_node, global_scope_name): Delete.
3142         (initialize_predefined_identifiers): Add new identifiers.
3143         (cxx_init_decl_processing): Adjust.
3144         * name-lookup.h (global_namespace, global_type_node): Delete.
3145         * name-lookup.c (global_namespace, anonymous_namespace_name,
3146         get_anonymous_namespace_name): Delete.
3147         (namespace_scope_ht_size, begin_scope, pushtag_1,
3148         push_namespace): Adjust,
3149         * call.c (type_has_extended_temps): Use init_list_identifier.
3150         * pt.c (listify): Likewise.
3152         * name-lookup.c: Reorder functions to make merging from modules
3153         branch simpler.
3155 2017-05-03  Jason Merrill  <jason@redhat.com>
3157         * constexpr.c (cxx_eval_outermost_constant_expr): Use TV_CONSTEXPR.
3159 2017-05-03  Nathan Sidwell  <nathan@acm.org>
3161         * cp-tree.h (enum cp_tree_index, cp_global_trees): Move earlier,
3162         along with #defines, to before name-lookup include.
3164 2017-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
3166         * pt.c (is_auto_or_concept): Remove.
3167         (type_uses_auto_or_concept): Remove, unused.
3168         (find_parameter_packs_r, extract_autos_r, is_auto_r): Adjust.
3169         * parser.c (tree_type_is_auto_or_concept): Remove, unused.
3170         * cp-tree.h (is_auto_or_concept): Remove.
3172 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
3174         PR c++/80038
3175         * cp-cilkplus.c (cilk_install_body_with_frame_cleanup): Don't
3176         add pedigree operation and detach call here.
3177         * cp-gimplify.c (cp_gimplify_expr): Remove the calls to
3178         cilk_cp_gimplify_call_params_in_spawned_fn.
3179         (cilk_cp_gimplify_call_params_in_spawned_fn): Remove function.
3180         * semantics.c (simplify_aggr_init_expr): Copy EXPR_CILK_SPAWN.
3182 2017-04-29  Volker Reichelt  <v.reichelt@netcologne.de>
3184         * parser.c (cp_parser_member_declaration): Add fix-it hints for
3185         stray comma and missing semicolon at end of member declaration.
3187 2017-04-27  Volker Reichelt  <v.reichelt@netcologne.de>
3189         * parser.c (cp_parser_cast_expression): Add target type of cast to
3190         diagnostic.
3191         * error.c (type_to_string): Add '{enum}' suffix to enumeration types.
3193 2017-04-26  Paolo Carlini  <paolo.carlini@oracle.com>
3195         * decl.c (grok_ctor_properties, ambi_op_p, unary_op_p): Change
3196         return type to bool.
3197         * cp-tree.h (grok_ctor_properties): Update.
3199 2017-04-26  Volker Reichelt  <v.reichelt@netcologne.de>
3201         * parser.c (cp_parser_nested_name_specifier_opt): Add fix-it
3202         information to diagnostic of invalid colon in nested-name-specifier.
3204 2017-04-25  Volker Reichelt  <v.reichelt@netcologne.de>
3206         * parser.c (cp_parser_elaborated_type_specifier): Add fix-it to
3207         diagnostic of invalid class/struct keyword after enum.
3209 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
3211         * parser.c (cp_parser_member_declaration): Add fix-it hint
3212         for removing stray semicolons.
3214 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
3216         * name-lookup.c (get_std_name_hint): New function.
3217         (maybe_suggest_missing_header): New function.
3218         (suggest_alternative_in_explicit_scope): Call
3219         maybe_suggest_missing_header.
3221 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
3223         PR c++/80177
3224         * name-lookup.c (suggest_alternative_in_explicit_scope): Convert
3225         candidate type of bm from tree to const char *.
3226         (consider_binding_level): Likewise.
3227         (lookup_name_fuzzy): Likewise, using this to merge the best
3228         result from the preprocessor into bm, rather than immediately
3229         returning, so that better matches from reserved words can "win".
3230         Guard the rejection of keywords that don't start decl-specifiers
3231         so it only happens for FUZZY_LOOKUP_TYPENAME.
3233 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
3235         * decl.c (grokdeclarator): Use %qT instead of %<%T%> in diagnostics.
3236         (start_enum): Likewise.
3237         (build_enumerator): Likewise. Use %qE instead of plain %E.
3238         * parser.c (cp_parser_mem_initializer_list): Use %qD instead of
3239         %<%D%> in diagnostics.
3240         (cp_parser_elaborated_type_specifier): Likewise.
3241         * pt.c (make_pack_expansion): Use %qT and %qE instead of
3242         %<%T%> and %<%E%> in diagnostics.
3243         (tsubst_pack_expansion): Likewise.
3245 2017-04-24  David Malcolm  <dmalcolm@redhat.com>
3247         PR c++/80016
3248         * parser.c (cp_parser_unary_expression):  Generate a location
3249         range for alignof and sizeof expressions.
3251 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
3253         * parser.c (cp_parser_cv_qualifier_seq_opt): Add fix-it info to
3254         error message.
3255         (cp_parser_virt_specifier_seq_opt): Likewise.
3256         (set_and_check_decl_spec_loc): Likewise twice.
3258 2017-04-21  Jason Merrill  <jason@redhat.com>
3260         PR c++/80179 - ICE with initialized flexible array member.
3261         * constexpr.c (verify_ctor_sanity): Handle flexible array members.
3263 2017-04-21  Richard Biener  <rguenther@suse.de>
3265         * cp-tree.h (copy_decl): Annotate with CXX_MEM_STAT_INFO.
3266         (copy_type): Likewise.
3267         * lex.c (copy_decl): Pass down mem-stat info.
3268         (copy_type): Likewise.
3270 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
3272         PR c++/80473
3273         * init.c (build_new_1): Suppress notes about over-aligned new when
3274         the warning is suppressed.
3276 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
3278         * parser.c (cp_parser_member_declaration): Add warning with fixit
3279         information for extra semicolon after in-class function definition.
3281 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
3283         PR middle-end/80423
3284         * tree.c (build_cplus_array_type): Call build_array_type
3285         with the intended TYPE_TYPELESS_STORAGE flag value, instead
3286         of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
3287         on the shared type.
3289 2017-04-18  Marek Polacek  <polacek@redhat.com>
3291         PR c++/80244 - ICE with attribute in template alias.
3292         * tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
3294         PR c++/80241 - ICE with alignas pack expansion.
3295         * error.c (dump_expr): Handle TREE_LIST.
3296         * parser.c (cp_parser_std_attribute_list): Return error_mark if
3297         make_pack_expansion returns an error.
3299 2017-04-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3301         PR c++/80287
3302         * class.c (fixup_may_alias): Fix all type variants.
3304 2017-04-17  Jason Merrill  <jason@redhat.com>
3306         PR c++/80415 - wrong error with default arg and array reference.
3307         * tree.c (lvalue_kind): Return clk_class for an array prvalue.
3309         * pt.c (tsubst_init): Set TARGET_EXPR_DIRECT_INIT_P.
3311 2017-04-15  Alexandre Oliva <aoliva@redhat.com>
3313         * decl.c (name_unnamed_type): Split out of...
3314         (grokdeclarator): ... this.
3315         * decl.h (name_unnamed_type): Declare.
3317 2017-04-12  Richard Biener  <rguenther@suse.de>
3318         Bernd Edlinger  <bernd.edlinger@hotmail.de>
3320         PR middle-end/79671
3321         * tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
3322         for arrays of character or std::byte type.
3324 2017-04-11  Jason Merrill  <jason@redhat.com>
3326         PR c++/80294 - ICE with constexpr and inheritance.
3327         * constexpr.c (reduced_constant_expression_p):
3328         A null constructor element is non-constant.
3329         (cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
3330         returning an empty base.
3332 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
3334         PR c++/80370
3335         * decl.c (cp_finish_decomp): If processing_template_decl on
3336         non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't
3337         change their DECL_VALUE_EXPR nor cp_finish_decl them.  Instead make
3338         sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst
3339         processing.
3340         * pt.c (value_dependent_expression_p) <case VAR_DECL>: For variables
3341         with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type
3342         dependent.
3344 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
3346         PR c++/80363
3347         * error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
3349 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
3351         PR c++/80176
3352         * tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
3353         operand, if it is a static member function, recurse on the
3354         BASELINK.
3356 2017-04-10  Marek Polacek  <polacek@redhat.com>
3358         PR sanitizer/80348
3359         * typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL.  Set
3360         ORIG_TYPE earlier and not only when shortening.
3362 2017-04-07  Jason Merrill  <jason@redhat.com>
3364         PR c++/80356 - ICE with reference to function template argument.
3365         PR c++/79294
3366         * pt.c (convert_nontype_argument_function): Adjust type even with a
3367         value-dependent argument.
3369         PR c++/80267 - ICE with nested capture of reference
3370         PR c++/60992
3371         * pt.c (tsubst_copy): Handle lookup finding a capture proxy.
3373 2017-04-07  Marek Polacek  <polacek@redhat.com>
3375         PR sanitizer/80348
3376         * typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
3378         PR c++/80095
3379         * call.c (build_over_call): Don't check cxx_dialect.
3380         * cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
3381         whether SUB is a CONSTRUCTOR.
3382         * init.c (build_new_1): Don't check cxx_dialect.
3383         * tree.c (replace_placeholders): Add a function comment.  Return if
3384         not in C++14, or if the object isn't a (member of a) class.
3385         * typeck2.c (store_init_value): Don't check cxx_dialect nor whether
3386         TYPE is CLASS_TYPE_P.
3388 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
3390         PR c++/80309
3391         * pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead
3392         of a loop doing vec_safe_push of NULL.  Formatting fixes.
3393         (rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx
3394         to newidx before calling canonical_type_parameter on newtype.
3396 2017-04-04  Volker Reichelt  <v.reichelt@netcologne.de>
3398         PR c++/80296
3399         * cxx-pretty-print.c (cxx_pretty_printer::expression): Add
3400         UNARY_PLUS_EXPR case.
3402 2017-04-03  Jason Merrill  <jason@redhat.com>
3404         * semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO.
3406 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
3408         * class.c (update_vtable_entry_for_fn): Fix typo in comment.
3409         * decl2.c (one_static_initialization_or_destruction): Likewise.
3410         * name-lookup.c (store_bindings): Likewise.
3411         * parser.c (make_call_declarator): Likewise.
3412         * pt.c (check_explicit_specialization): Likewise.
3414 2017-04-03  Jason Merrill  <jason@redhat.com>
3416         PR sanitizer/79993 - ICE with VLA initialization from string
3417         PR c++/69487 - wrong VLA initialization from string
3418         * init.c (finish_length_check): Split out from build_vec_init.
3419         (build_vec_init): Handle STRING_CST.
3420         * typeck2.c (split_nonconstant_init): Handle STRING_CST.
3421         (digest_init_r): Don't give a STRING_CST VLA type.
3423 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
3425         PR c++/79572
3426         * cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
3427         REFERENCE_TYPE.  Adjust ubsan_maybe_instrument_reference caller
3428         for NOP_EXPR to REFERENCE_TYPE.
3430         PR libstdc++/80251
3431         * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE.
3432         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
3433         CPTK_IS_AGGREGATE.
3434         * semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE.
3435         Remove extraneous parens.
3436         (finish_trait_expr): Handle CPTK_IS_AGGREGATE.
3437         * parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE.
3438         (cp_parser_trait_expr): Likewise.
3440 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
3442         PR middle-end/80162
3443         * cp-tree.h (cxx_mark_addressable): Add array_ref_p argument.
3444         * typeck.c (cxx_mark_addressable): Likewise.  Look through
3445         VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
3446         to ARRAY_TYPE.
3447         (cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable.
3449 2017-03-24  Jason Merrill  <jason@redhat.com>
3451         PR c++/77339 - ICE with invalid use of alias template.
3452         * pt.c (lookup_template_class_1): Don't try to enter the scope of an
3453         alias template.
3455 2017-03-24  Marek Polacek  <polacek@redhat.com>
3457         PR c++/80119
3458         * cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression
3459         doesn't have side effects.
3461 2017-03-23  Jason Merrill  <jason@redhat.com>
3463         PR c++/80150 - ICE with overloaded variadic deduction.
3464         * pt.c (try_one_overload): Remove asserts.
3466         PR c++/77563 - missing ambiguous conversion error.
3467         * call.c (convert_like_real): Use LOOKUP_IMPLICIT.
3469 2017-03-23  Marek Polacek  <polacek@redhat.com>
3471         * cp-tree.h: Remove a C_RID_YYCODE reference.
3473 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
3475         PR c++/80141
3476         * semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
3477         case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
3478         processing_template_decl.
3480 2017-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
3482         PR c++/77752
3483         * name-lookup.c (pushtag_1): Add check for bogus, non template,
3484         std::initializer_list.
3486 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
3488         PR c++/35878
3489         * init.c (std_placement_new_fn_p, build_new_1): Formatting fixes.
3491 2017-03-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
3493         PR c++/35878
3494         * init.c (std_placement_new_fn_p): New.
3495         (build_new_1): Call it.
3497 2017-03-20  Jason Merrill  <jason@redhat.com>
3499         PR c++/80096 - ICE with C++17 non-type auto.
3500         * pt.c (tsubst): Delay tsubst of type of template non-type
3501         parameter.
3503         PR c++/79519 - ICE with deleted template friend.
3504         * decl.c (grokdeclarator): Complain about misplaced function
3505         definition using =, as well.
3507         PR c++/79640 - infinite recursion with generic lambda.
3508         * pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
3509         before substituting its initializer.
3511 2017-03-20  Marek Polacek  <polacek@redhat.com>
3512             Paolo Carlini  <paolo.carlini@oracle.com>
3514         PR c++/80059 - ICE with noexcept and __transaction_atomic
3515         * except.c (build_must_not_throw_expr): Call
3516         instantiate_non_dependent_expr.
3518 2017-03-19  Jason Merrill  <jason@redhat.com>
3520         PR c++/80084 - wrong C++17 decomposition by reference of parameter.
3521         * decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
3522         reference decomposition.
3524         PR c++/80077 - error with constexpr and -fno-elide-constructors.
3525         * constexpr.c (cxx_eval_call_expression): Set ctx->call while
3526         expanding trivial constructor.
3528 2017-03-17  Jason Merrill  <jason@redhat.com>
3530         PR c++/78345 - ICE initializing array from lambda.
3531         * init.c (build_aggr_init): Check array initializer.
3532         (build_vec_init): Check the type of a CONSTRUCTOR.
3534         PR c++/80073 - C++17 ICE with virtual base.
3535         * decl.c (xref_basetypes): Also check for indirect vbases.
3537 2017-03-16  Jason Merrill  <jason@redhat.com>
3539         * decl.c (start_enum): std::byte aliases anything.
3541         PR c++/79797
3542         * constexpr.c (lookup_placeholder): Tweak.
3544 2017-03-15  Jason Merrill  <jason@redhat.com>
3546         PR c++/80043 - ICE with -fpermissive
3547         * typeck.c (convert_for_assignment): Handle instantiate_type
3548         not giving an error.
3550 2017-03-14  Nathan Sidwell  <nathan@acm.org>
3552         PR c++/79393 DR 1658 workaround
3553         * method.c (synthesized_method_base_walk): Inihibit abstract class
3554         virtual base access check here.
3555         (synthesized_method_walk): Not here.
3557 2017-03-13  Nathan Sidwell  <nathan@acm.org>
3559         PR c++/79393 DR 1658 workaround
3560         * method.c (synthesized_method_walk): Check vbases of abstract
3561         classes for dtor walk.
3563 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
3565         PR translation/79848
3566         * decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs".
3568 2017-03-10  Jason Merrill  <jason@redhat.com>
3570         PR c++/79960 - alias templates and partial ordering
3571         * pt.c (comp_template_args): Add partial_order parm.
3572         (template_args_equal): Likewise.
3573         (comp_template_args_porder): New.
3574         (get_partial_spec_bindings): Use it.
3576 2017-03-10  Marek Polacek  <polacek@redhat.com>
3578         PR c++/79967
3579         * decl.c (grokdeclarator): Check ATTRLIST before dereferencing it.
3581 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
3583         PR c++/79899
3584         * optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
3585         Use XALLOCAVEC macro.
3587         PR c++/79896
3588         * decl.c (finish_enum_value_list): If value is error_mark_node,
3589         don't copy it and change its type.
3590         * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
3591         of CONST_DECL is error_mark_node.
3593 2017-03-09  Marek Polacek  <polacek@redhat.com>
3595         PR c++/79900 - ICE in strip_typedefs
3596         * tree.c (strip_typedefs): Skip the attribute handling if T is
3597         a variant type which hasn't been updated yet.
3599         PR c++/79687 - wrong code with pointer-to-member
3600         * init.c (constant_value_1): Break if the variable has a dynamic
3601         initializer.
3603 2017-03-08  Jason Merrill  <jason@redhat.com>
3605         PR c++/79797 - ICE with self-reference in array DMI.
3606         * constexpr.c (lookup_placeholder): Split out...
3607         (cxx_eval_constant_expression): ...from here.
3609 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
3611         PR c/79834
3612         * parser.c (cp_parser_omp_cancellation_point,
3613         cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
3614         cp_parser_omp_target_update): Change "may only be used in compound
3615         statements" diagnostics, such that the same translatable string is
3616         used for all pragmas.
3617         (cp_parser_pragma): Likewise.  Use error_at instead of
3618         cp_parser_error for that diagnostics.
3620 2017-03-06  Marek Polacek  <polacek@redhat.com>
3622         PR c++/79796 - ICE with NSDMI and this pointer
3623         * call.c (build_over_call): Handle NSDMI with a 'this' by calling
3624         replace_placeholders.
3626 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
3628         PR c++/79822
3629         * constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like
3630         ({ (void) 0; }).
3632 2017-03-06  Jason Merrill  <jason@redhat.com>
3634         Revert "Allow deduction guides to look into primary template."
3635         * cp-tree.h, parser.c, pt.c, search.c: Revert.
3637 2017-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
3639         PR c++/70266
3640         * except.c (build_must_not_throw_expr): Perform the implicit
3641         conversions on the condition.
3643 2017-03-03  Jason Merrill  <jason@redhat.com>
3645         * mangle.c (mangle_decl): Check -Wnoexcept-type instead of
3646         -Wc++1z-compat.
3648         Core issues 2273 and 2277
3649         * call.c (joust): Adjust using-declaration tiebreaker to handle
3650         the intermediate base case.
3651         * method.c (strip_inheriting_ctors): Just return the argument if
3652         !flag_new_inheriting_ctors.
3654 2017-03-03  Richard Biener  <rguenther@suse.de>
3656         PR c++/79825
3657         * cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR.
3659 2017-03-03  Marek Polacek  <polacek@redhat.com>
3661         PR c++/79791
3662         * typeck.c (string_conv_p): In C++11, always call pedwarn with
3663         OPT_Wwrite_strings.
3665 2017-03-02  Jason Merrill  <jason@redhat.com>
3667         Update overload resolution with deduction guides.
3668         * pt.c (do_class_deduction): Always build the copy guide.
3669         (copy_guide_p, template_guide_p): New.
3670         (build_deduction_guide): Remember the original constructor.
3671         * call.c (joust): Prefer the copy guide and non-template guides.
3673         Allow deduction guides to look into primary template.
3674         * cp-tree.h (struct saved_scope): Add deduction_guide_type.
3675         (struct cp_decl_specifier_seq): Add constructor_p.
3676         * parser.c (cp_parser_decl_specifier_seq): Set constructor_p.
3677         (cp_parser_init_declarator): Check it.  Set ctor_dtor_or_conv_p.
3678         Clear deduction_guide_type.  Don't handle deduction guide names.
3679         (cp_parser_declarator): Don't clear ctor_dtor_or_conv_p.
3680         (cp_parser_direct_declarator): Likewise.  Handle deduction guides.
3681         (cp_parser_member_declaration, cp_parser_cache_defarg)
3682         (cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p.
3683         * pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change.
3684         (build_deduction_guide): Set deduction_guide_type.
3685         (dependent_scope_p): Check deduction_guide_type.
3686         * search.c (lookup_member): Likewise.
3688 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
3690         PR c++/79782
3691         * init.c (mark_exp_read_r): New function.
3692         (emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on
3693         whole arguments instead of plain mark_exp_read on TREE_LIST values.
3695 2017-03-01  Jason Merrill  <jason@redhat.com>
3697         Class template argument deduction in new-expression
3698         * init.c (build_new): Handle deduction from no initializer.
3699         * parser.c (cp_parser_new_expression): Don't require a single
3700         expression for class template deduction.
3701         * typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for
3702         class template placeholder.
3703         * pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context.
3704         (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF.
3705         (redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS.
3707 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
3709         PR c++/79746
3710         * init.c (emit_mem_initializers): When not constructing vbases of
3711         abstract classes, mark arguments as read for
3712         -Wunused-but-set-parameter.
3714 2017-02-28  Jason Merrill  <jason@redhat.com>
3716         Class template argument deduction refinements
3717         * call.c (joust): Move deduction guide tiebreaker down.
3718         * decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class
3719         deduction with no initializer.
3720         * pt.c (build_deduction_guide): Handle implicit default/copy ctor.
3721         (do_class_deduction): Use that rather than special case.
3722         (do_auto_deduction): Handle null initializer.
3724 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
3726         * decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...")
3727         instead of just cond ? "..." : "...".
3728         (grokdeclarator): Likewise.
3729         (build_enumerator): Likewise.
3730         * init.c (build_new_1): Likewise.
3731         * call.c (build_new_method_call_1): Likewise.
3732         * parser.c: Include intl.h.
3733         (cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for
3734         "enter"/"exit" keyword.
3735         (cp_finalize_oacc_routine): Don't use %s to supply portions of the
3736         message.
3738 2017-02-27  Jason Merrill  <jason@redhat.com>
3740         PR c++/71568 - SFINAE forming pointer to member function
3741         * init.c (build_offset_ref): Check the return value of
3742         perform_or_defer_access_check.
3744 2017-02-27  Marek Polacek  <polacek@redhat.com>
3746         * decl.c (expand_static_init): Add missing } in a comment.
3748 2017-02-27  Volker Reichelt  <v.reichelt@netcologne.de>
3750         * init.c: Include intl.h.
3751         (build_new_1): Move message strings into pedwarn to make them
3752         -Wformat-security friendly. Mark string for translation.
3753         * pt.c (tsubst_copy_and_build): Mark string for translation.
3754         Make the pointer const.
3755         * semantics.c (finish_id_expression): Mark strings for translation.
3757 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
3759         * call.c (build_op_delete_call): Make msg1 and msg2 const.
3761 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
3763         PR c++/79588
3764         * call.c (build_over_call): Call check_function_arguments even for
3765         -Wrestrict, adjust check_function_arguments caller.
3766         * parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
3767         here.
3768         * typeck.c (cp_build_function_call_vec): Adjust
3769         check_function_arguments caller.
3771 2017-02-24  Marek Polacek  <polacek@redhat.com>
3773         PR translation/79705
3774         * decl.c (check_redeclaration_exception_specification): Mark a string
3775         for translation.  Make the pointer const.
3777 2017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>
3779         PR c++/79361
3780         * pt.c (register_specialization): Check duplicate_decls return value
3781         for error_mark_node and pass it back.
3783 2017-02-22  Jason Merrill  <jason@redhat.com>
3785         PR c++/79679 - missing destructor for argument
3786         * call.c (build_over_call): Don't pass tf_no_cleanup to argument
3787         conversions.
3789         * pt.c (do_class_deduction): Handle 0 argument case.
3791 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
3793         PR c++/79664
3794         * parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
3795         SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree.
3796         * constexpr.c (potential_constant_expression_1): Handle
3797         OMP_*, OACC_* and CILK_* trees.  Use error_at with
3798         EXPR_LOC_OR_LOC (t, input_location) computed early
3799         instead of error, or error_at with location_of (t).
3801 2017-02-22  Marek Polacek  <polacek@redhat.com>
3803         PR c++/79653
3804         * parser.c (cp_parser_std_attribute_spec): Don't build the attribute
3805         if the alignas expression is erroneous.
3806         * pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
3807         error_mark_node.
3809         PR c++/79657
3810         * semantics.c (finish_underlying_type): Bail out for incomplete enums.
3812 2017-02-21  Jason Merrill  <jason@redhat.com>
3814         PR c++/50308 - wrong deprecated warning with ADL
3815         PR c++/17729 - duplicate deprecated warning
3816         * semantics.c (finish_id_expression): Only call mark_used on a
3817         function if we aren't building a call.
3819         PR c++/41727 - ICE with partial spec of partial instantiation
3820         * pt.c (process_partial_specialization): For now, don't check more
3821         specialized if there is more than one level of args.
3823 2017-02-21  Marek Polacek  <polacek@redhat.com>
3825         PR c++/79535
3826         * cp-tree.h (maybe_reject_flexarray_init): Declare.
3827         * init.c (maybe_reject_flexarray_init): No longer static.
3828         Add check for current_function_decl.
3829         * parser.c (cp_parser_late_parse_one_default_arg): Reject
3830         a default mem-initializer for a flexible array.
3832 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3833             Paolo Carlini  <paolo.carlini@oracle.com>
3835         PR c++/79654
3836         * decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
3837         on error.
3838         * pt.c (tsubst_decomp_names): Return error_mark_node if the first
3839         decl after the decomposition artificial decl has error_mark_node.
3840         * decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
3841         instead of just == error_mark_node comparison.
3843 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
3845         PR sanitizer/79589
3846         * decl.c: Include gimplify.h.
3847         (cp_finish_decomp): Make sure there is no sharing of trees
3848         in between DECL_VALUE_EXPR of decomposition decls.
3850         PR c++/79655
3851         * constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.
3853         PR c++/79639
3854         * constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
3855         call cplus_expand_constant on it first.
3857 2017-02-19  Jason Merrill  <jason@redhat.com>
3859         PR c++/78139 - destructor needed by new-expression
3860         * call.c (build_special_member_call): Use tf_no_cleanup.
3862         PR c++/78282 - auto template and pack expansion
3863         * pt.c (find_parameter_packs_r): Don't walk into the type of
3864         templates other than template template-parameters.
3866         PR c++/79606 - ICE with this->base_member in NSDMI
3867         * class.c (build_base_path): Check processing_template_decl.
3869         PR c++/79607 - ICE with T{} initializer
3870         * decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
3872         PR c++/79566 - elaborated-type-specifier in range for
3873         * parser.c (cp_parser_simple_declaration): Fix check for type
3874         definition.
3876         PR c++/79400 - confusing suggestion of 'noexcept'
3877         * parser.c (cp_parser_exception_specification_opt): Remove
3878         suggestion for deprecated dynamic exception-specification.
3880         PR c++/79470 - partial ordering with reference parameters
3881         * pt.c (unify) [INDIRECT_REF]: Handle pack expansions.
3883         PR c++/79500 - ICE with non-template deduction guide
3884         * pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than
3885         DECL_TEMPLATE_RESULT.
3887         PR c++/79580 - ICE with compound literal
3888         * parser.c (cp_parser_class_head): If we're in the middle of an
3889         expression, use ts_within_enclosing_non_class.
3891         PR c++/79503 - inherited ctor taking base class
3892         * call.c (add_function_candidate): Also check that
3893         DECL_INHERITED_CTOR_BASE is reference-related to the parameter type.
3895 2017-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
3897         PR c++/79380
3898         * typeck.c (cxx_alignas_expr): Reject a non-integral alignas
3899         argument.
3901 2017-02-19  Eric Fiselier  <eric@efcs.ca>
3902             Jonathan Wakely  <jwakely@redhat.com>
3904         PR c++/69523
3905         * parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to
3906         control warning about literal suffix identifiers without a leading
3907         underscore.
3909 2017-02-17  Jason Merrill  <jason@redhat.com>
3911         PR c++/79508 - lookup error with member template
3912         * parser.c (cp_parser_template_name): Clear
3913         parser->context->object_type if we aren't doing lookup.
3915         PR c++/78690 - ICE with using and global type with same name
3916         * pt.c (type_dependent_object_expression_p): True for
3917         IDENTIFIER_NODE.
3919         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
3920         * pt.c (convert_template_argument): Just return an auto arg pack.
3921         (tsubst_template_args): Don't tsubst an auto pack type.
3923         PR c++/79556 - C++17 ICE with non-type auto
3924         * pt.c (do_auto_deduction): Don't try to deduce from null type.
3926         PR c++/79533 - C++17 ICE with temporary cast to reference
3927         * call.c (build_over_call): Conversion to a reference prevents copy
3928         elision.
3930 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
3931             Jason Merrill  <jason@redhat.com>
3933         PR c++/79502 - lost nodiscard attribute
3934         * pt.c (apply_late_template_attributes): Do apply non-dependent
3935         attributes to types.
3937 2017-02-16  Jason Merrill  <jason@redhat.com>
3939         PR c++/78572 - ICE with self-modifying array initializer
3940         * constexpr.c (cxx_eval_store_expression): The object we're
3941         initializing is outside the constant-expression.
3942         (cxx_eval_call_expression): Set ctx->call.
3944         PR c++/79050 - ICE with undeduced auto and LTO
3945         * decl.c (poplevel): Remove undeduced auto decls.
3947 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
3949         PR c++/79512
3950         * parser.c (cp_parser_omp_target): For -fopenmp-simd
3951         ignore #pragma omp target even when not followed by identifier.
3953 2017-02-15  Jason Merrill  <jason@redhat.com>
3954             Jakub Jelinek  <jakub@redhat.com>
3956         PR c++/79464 - ICE in IPA with omitted constructor parms
3957         * class.c (build_clone): Also omit parms from TYPE_ARG_TYPES.
3958         (adjust_clone_args): Adjust.
3959         (add_method): Remember omitted parms.
3960         * call.c (add_function_candidate): Likewise.
3961         * mangle.c (write_method_parms): Likewise.
3962         * method.c (ctor_omit_inherited_parms): Return false if there are no
3963         parms to omit.
3965 2017-02-15  Martin Sebor  <msebor@redhat.com>
3967         PR c++/79363
3968         * init.c (maybe_reject_flexarray_init): New function.
3969         (perform_member_init): Call it.
3971 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
3973         PR c++/79301
3974         * parser.c (cp_parser_std_attribute): Don't pedwarn about
3975         [[deprecated]] with -std=c++11 and [[fallthrough]] with
3976         -std=c++11 and -std=c++14.
3978         PR c++/79288
3979         * decl.c (grokdeclarator): For static data members, handle thread_p
3980         only after handling inline.
3982 2017-02-14  Marek Polacek  <polacek@redhat.com>
3984         PR c++/79420
3985         PR c++/79463
3986         * parser.c (cp_parser_postfix_dot_deref_expression): Avoid
3987         clobbering if the postfix expression isn't an EXPR_P.
3989 2017-02-13  Jason Merrill  <jason@redhat.com>
3991         PR c++/79461 - ICE with lambda in constexpr constructor
3992         * constexpr.c (build_data_member_initialization): Ignore
3993         initialization of a local variable.
3995 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
3997         * init.c (warn_placement_new_too_small): Add missing space in
3998         diagnostics.
3999         * parser.c (cp_parser_oacc_declare): Likewise.
4000         * mangle.c (maybe_check_abi_tags): Likewise.
4002         PR c++/79232
4003         * typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs
4004         on lhs that have {PRE{DEC,INC}REMENT,MODIFY,MIN,MAX,COND}_EXPR
4005         in the rightmost operand.
4007 2017-02-13  Nathan Sidwell  <nathan@acm.org>
4009         PR c++/79296 - ICE mangling localized template instantiation
4010         * decl2.c (determine_visibility): Use template fn context for
4011         local class instantiations.
4013 2017-02-11  Jason Merrill  <jason@redhat.com>
4015         PR c++/77659 - ICE with new and C++14 aggregate NSDMI
4016         * init.c (build_new): Make backups of any CONSTRUCTORs in init.
4017         (build_new_1): Use replace_placeholders.
4018         * tree.c (replace_placeholders_t): Also track whether we've seen a
4019         placeholder.
4020         (replace_placeholders, replace_placeholders_r): Adjust.
4021         * cp-tree.h: Adjust.
4023         PR c++/77790 - ICE with auto function in C++11 mode
4024         * decl.c (undeduced_auto_decl): Remove C++14 limitation.
4025         (require_deduced_type): Add complain parm, return bool.
4026         * cp-tree.h: Adjust.
4027         * decl2.c (mark_used): Use require_deduced_type.
4029 2017-02-10  Jason Merrill  <jason@redhat.com>
4031         PR c++/78908 - template ops and bitfields
4032         * tree.c (build_min_non_dep): Use unlowered_expr_type.
4034         PR c++/78897 - constexpr union
4035         * constexpr.c (cxx_eval_store_expression): A store to a union member
4036         erases a previous store to another member.
4038         PR c++/71285 - member of fold-expression
4039         * semantics.c (finish_unary_fold_expr)
4040         (finish_binary_fold_expr): Use null type for fold-expressions.
4042         PR c++/79401 - protected inherited constructor
4043         * call.c (enforce_access): For inheriting constructor, find a base
4044         binfo in the path we already have.
4046 2017-02-10  Marek Polacek  <polacek@redhat.com>
4048         PR c++/79435
4049         * pt.c (type_dependent_expression_p): Check if the expression type
4050         is null.
4052         PR c++/79184
4053         * cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context
4054         if warnings shouldn't be given.
4056 2017-02-10  Paolo Carlini  <paolo.carlini@oracle.com>
4058         PR c++/71737
4059         * pt.c (tsubst_decl): Don't try to preserve a typedef that names
4060         an error_mark_node as type.
4062 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
4063             Jason Merrill  <jason@redhat.com>
4065         PR c++/79143
4066         * pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE
4067         from pattern to type.
4069 2017-02-09  Jason Merrill  <jason@redhat.com>
4071         PR c++/79316 - default argument in deduction guide
4072         PR c++/79350 - explicit deduction guide
4073         * parser.c (cp_parser_constructor_declarator_p)
4074         (cp_parser_direct_declarator): Parse deduction guides more like
4075         constructors.
4076         * cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
4077         * tree.c (special_function_p): Return it.
4078         * decl.c (check_special_function_return_type): Handle it.
4079         (grokdeclarator, grokfndecl): Adjust.
4080         (cp_finish_decl): Pass flags to do_auto_deduction.
4081         * error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
4082         * pt.c (dguide_name_p): Take a const_tree.
4083         (do_class_deduction): Handle explicit.
4084         (do_auto_deduction): Pass flags through.
4085         (build_deduction_guide): Copy explicit flag.
4087 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
4089         PR c++/79429
4090         * parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
4091         non-pragma_compound context here.
4092         (cp_parser_omp_target): Likewise.
4093         (cp_parser_pragma): Don't call push_omp_privatization_clauses and
4094         parsing for ordered and target omp pragmas in non-pragma_stmt
4095         non-pragma_compound contexts.
4097         PR c/79431
4098         * parser.c (cp_parser_oacc_declare): Formatting fix.
4099         (cp_parser_omp_declare_target): Don't invoke symtab_node::get on
4100         automatic variables.
4102 2016-02-09  Nathan Sidwell  <nathan@codesourcery.com>
4103             Chung-Lin Tang  <cltang@codesourcery.com>
4105         * parser.c (cp_parser_oacc_clause_tile): Disallow collapse.  Fix
4106         parsing.  Parse constant expression. Remove semantic checking.
4107         (cp_parser_omp_clause_collapse): Disallow tile.
4108         (cp_parser_omp_for_loop): Deal with tile clause.  Don't emit a parse
4109         error about missing for after already emitting one.  Use more
4110         conventional for idiom for unbounded loop.
4111         * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE.
4112         * semantics.c (finish_omp_clauses): Correct TILE semantic check.
4113         (finish_omp_for): Deal with tile clause.
4115 2017-02-07  Nathan Sidwell  <nathan@acm.org>
4117         * method.c (synthesized_method_base_walk): New.  Broken out of ...
4118         (synthesized_method_walk): ... here.  Call it.  Cleanup
4119         initializations.
4121 2017-02-07  Patrick Palka  <ppalka@gcc.gnu.org>
4123         PR c++/79360
4124         * typeck2.c (process_init_constructor_union): Consider only
4125         FIELD_DECLs when looking for an NSDMI.
4127 2017-02-06  Jason Merrill  <jason@redhat.com>
4129         PR c++/71193 - incomplete types in templates
4130         * parser.c (cp_parser_postfix_dot_deref_expression): In a template
4131         handle incomplete type by pedwarning and then treating as dependent.
4133 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
4135         PR c++/79379
4136         * constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR.
4137         (potential_constant_expression_1): Likewise.
4139         PR c++/79377
4140         * tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
4141         allow one fewer than expected arguments if flag_permissive.
4143         PR c++/79372
4144         * decl.c (cp_finish_decomp): On error set decl type to error_mark_node.
4145         * pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions
4146         with error_mark_node type.
4148 2017-02-03  Jason Merrill  <jason@redhat.com>
4150         PR c++/78689 - ICE on constructor with label
4151         * optimize.c (maybe_clone_body): Replace omitted parameters with
4152         null lvalues.
4153         * class.c (build_clone): Fix logic for omitting inherited parms.
4155         PR c++/12245 - excessive memory use
4156         * constexpr.c (maybe_constant_value): Fold maybe_constant_value_1
4157         back in.  Don't cache constants.
4158         (maybe_constant_init): Don't cache constants.
4160         PR c++/79294 - ICE with invalid template argument
4161         * pt.c (convert_nontype_argument_function): Check value-dependence.
4162         (convert_nontype_argument): Don't check it here for function ptrs.
4164 2017-02-02  Richard Biener  <rguenther@suse.de>
4166         PR cp/14179
4167         * cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy
4168         it lazily on the first changed element only and copy it
4169         fully upfront, only storing changed elements.
4171 2017-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
4173         PR c++/69637
4174         * decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL
4175         to the width.
4177 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
4179         PR c++/79304
4180         * error.c (dump_expr) <case COMPONENT_REF>: Don't print .
4181         after ARROW_EXPR.
4183 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
4185         PR c++/79298
4186         * name-lookup.c (suggest_alternative_in_explicit_scope): Resolve
4187         any namespace aliases.
4189 2017-01-31  Nathan Sidwell  <nathan@acm.org>
4191         PR c++/79290
4192         * typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
4194         PR c++/67273
4195         PR c++/79253
4196         * pt.c: (instantiate_decl): Push to top level when current
4197         function scope doesn't match.  Only push lmabda scope stack when
4198         pushing to top.
4200         * cp-tree.h (instantiate_decl): Make defer_ok bool.
4201         * pt.c: Fix instantiate_decl calls to pass true/false not 0/1
4202         (instantiate_decl): Simplify and reorder state saving and restoration.
4204         PR c++/79264
4205         * lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
4206         * semantics.c (finish_member_declaration): Assert class is being
4207         defined.
4209 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
4211         Introduce C++ support in libcc1.
4212         * cp-tree.h (struct lang_identifier): Add oracle_looked_up.
4213         (ansi_opname): Rename to...
4214         (cp_operator_id): ... this.  Adjust all callers.
4215         (ansi_assopname): Rename to...
4216         (cp_assignment_operator_id): ... this.  Adjust all callers.
4217         (cp_literal_operator_id): Declare.
4218         (set_global_friend): Declare.
4219         (is_global_friend): Declare.
4220         (enum cp_oracle_request): New type.
4221         (cp_binding_oracle_function): New type.
4222         (cp_binding_oracle): Declare.
4223         (cp_finish_injected_record_type): Declare.
4224         * friend.c (global_friend): New var.
4225         (set_global_friend): New fn.
4226         (is_global_friend): New fn.
4227         (is_friend): Call is_global_friend.
4228         * name-lookup.c (cp_binding_oracle): New var.
4229         (query_oracle): New fn.
4230         (qualified_lookup_using_namespace): Call query_oracle.
4231         (lookup_name_real_1): Likewise.
4232         * parser.c (cp_literal_operator_id): Drop static.
4233         * search.c (friend_accessible_p): Call is_global_friend.
4234         * semantics.c (is_this_parameter): Accept a variable if the
4235         binding oracle is enabled.
4237 2017-01-27  Jason Merrill  <jason@redhat.com>
4239         PR c++/78771 - ICE with inherited constructor.
4240         * call.c (build_over_call): Call deduce_inheriting_ctor here.
4241         * pt.c (tsubst_decl): Not here.
4242         * class.c (add_method): Or here.
4243         * method.c (deduce_inheriting_ctor): Handle clones.
4244         (implicitly_declare_fn): Don't deduce inheriting ctors yet.
4246 2017-01-27  Adam Butcher  <adam@jessamine.co.uk>
4248         PR c++/64382
4249         * cp/parser.c (parsing_default_capturing_generic_lambda_in_template):
4250         New function.
4251         * cp/cp-tree.h: Declare it.
4252         * cp/semantics.c (finish_id_expression): Resolve names within a default
4253         capturing generic lambda defined within a template prior to
4254         instantiation to allow for captures to be added to the closure type.
4256 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
4258         PR c++/68727
4259         * cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2.
4260         * cp-tree.h (finish_offsetof): Add OBJECT_PTR argument.
4261         * parser.c (cp_parser_builtin_offsetof): Pass result of
4262         build_static_cast of null_pointer_node to finish_offsetof.
4263         * semantics.c (finish_offsetof): Add OBJECT_PTR argument, use
4264         it for -Winvalid-offsetof pedwarn instead of trying to guess
4265         original offsetof type from EXPR.  Save OBJECT_PTR as a new
4266         second operand to OFFSETOF_EXPR.
4267         * pt.c (tsubst_copy_and_build) <case OFFSETOF_EXPR>: Adjust
4268         finish_offsetof caller, pass the second operand of OFFSETOF_EXPR
4269         as OBJECT_PTR.
4271 2017-01-26  Jason Merrill  <jason@redhat.com>
4273         * name-lookup.c (parse_using_directive): Deprecate strong using.
4275         PR c++/79176 - lambda ICE with -flto -Os
4276         * decl2.c (vague_linkage_p): Handle decloned 'tors.
4277         * tree.c (decl_linkage): Likewise.
4279 2017-01-25  Martin Sebor  <msebor@redhat.com>
4281         * decl.c (grokdeclarator): Fix a typo in a comment.
4283 2017-01-25  Jakub Jelinek  <jakub@redhat.com>
4285         PR c++/78896
4286         * decl.c (cp_finish_decomp): Disallow memberwise decomposition of
4287         lambda expressions.
4289         PR c++/77914
4290         * parser.c (cp_parser_lambda_declarator_opt): Pedwarn with
4291         OPT_Wpedantic on lambda templates for -std=c++14 and higher.
4293 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
4295         PR lto/79061
4296         * decl.c (cxx_init_decl_processing): Pass main_input_filename
4297         to build_translation_unit_decl.
4299 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
4301         PR c++/79205
4302         * cp-gimplify.c (cp_genericize_r): Add result of
4303         convert_from_reference on invisiref parm to p_set.
4305 2017-01-24  Nathan Sidwell  <nathan@acm.org>
4307         PR c++/78469 - defaulted ctor and inaccessible dtor
4308         * cp-tree.h (tsubst_flags): Add tf_no_cleanup.
4309         * init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
4310         * tree.c (build_target_expr): Check tf_no_cleanup.
4312         PR c++/79118 - anon-members and constexpr
4313         * constexpr.c (cx_check_missing_mem_inits): Caller passes type not
4314         ctor decl.  Recursively check anonymous members.
4315         (register_constexpr_fundef): Adjust cx_check_missing_mem_inits
4316         call.
4317         (explain_invalid_constexpr_fn): Likewise.
4319 2017-01-23  Nathan Sidwell  <nathan@acm.org>
4321         PR c++/71710 - template using directive of field
4322         * pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL
4323         check earlier.
4325         PR c++/71406 - ICE with scope-ref'd template id exprs
4326         PR c++/77508
4327         * typeck.c (finish_class_member_access_expr): Break up SCOPE_REF
4328         before breaking up TEMPLATE_ID_EXPR.
4330 2017-01-20  Nathan Sidwell  <nathan@acm.org>
4332         PR c++/78495 - wrong code inherited ctor and invisi-ref parm
4333         * cp-gimplify.c (cp_generize_r): Don't skip thunks.
4335 2017-01-20  David Malcolm  <dmalcolm@redhat.com>
4337         PR c++/77829
4338         PR c++/78656
4339         * cp-tree.h (suggest_alternatives_for): Add bool param.
4340         (suggest_alternative_in_explicit_scope): New decl.
4341         * error.c (qualified_name_lookup_error): When SCOPE is a namespace
4342         that isn't the global one, call new function
4343         suggest_alternative_in_explicit_scope, only calling
4344         suggest_alternatives_for if it fails, and disabling near match
4345         searches fort that case.  When SCOPE is the global namespace,
4346         pass true for new param to suggest_alternatives_for to allow for
4347         fuzzy name lookups.
4348         * lex.c (unqualified_name_lookup_error): Pass true for new param
4349         to suggest_alternatives_for.
4350         * name-lookup.c (consider_binding_level): Add forward decl.
4351         (suggest_alternatives_for): Add "suggest_misspellings" param,
4352         using it to conditionalize the fuzzy name-lookup code.
4353         (suggest_alternative_in_explicit_scope): New function.
4354         * parser.c (cp_parser_primary_expression): When calling
4355         finish_id_expression, pass location of id_expression rather
4356         than that of id_expr_token.
4357         (cp_parser_id_expression): Convert local "unqualified_id" from
4358         tree to cp_expr to avoid implicitly dropping location information.
4360 2017-01-20  Marek Polacek  <polacek@redhat.com>
4362         PR c/64279
4363         * call.c (build_conditional_expr_1): Warn about duplicated branches.
4364         * semantics.c (finish_expr_stmt): Build statement using the proper
4365         location.
4367 2017-01-19  Jason Merrill  <jason@redhat.com>
4369         US 20 - forwarding references and class template argument deduction
4370         * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New.
4371         * pt.c (push_template_decl_real): Set it.
4372         (maybe_adjust_types_for_deduction): Check it.
4373         (rewrite_template_parm): Copy it.
4375         US 19 - deduction guides and constructors
4376         * call.c (joust): Prefer deduction guides to constructors.
4377         * pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
4378         (deduction_guide_p): Check DECL_P.
4380         * decl.c (check_initializer): Always use build_aggr_init for array
4381         decomposition.
4383         PR c++/79130 - decomposition and direct-initialization
4384         * init.c (build_aggr_init): Communicate direct-initialization to
4385         build_vec_init.
4386         (build_vec_init): Check for array copy sooner.
4387         * parser.c (cp_parser_decomposition_declaration): Remove call to
4388         build_x_compound_expr_from_list.
4390 2017-01-18  Jason Merrill  <jason@redhat.com>
4392         PR c++/68666 - member variable template-id
4393         * typeck.c (finish_class_member_access_expr): Handle variable
4394         template-id.
4395         * pt.c (lookup_and_finish_template_variable): No longer static.
4396         * cp-tree.h: Declare it.
4398 2017-01-18  Nathan Sidwell  <nathan@acm.org>
4400         PR c++/78488
4401         * call.c (build_over_call): When checking ellipsis conversions for
4402         an inherited ctor, make sure there is at least one conversion.
4404 2017-01-18  Jason Merrill  <jason@redhat.com>
4406         PR c++/78894 - ICE with class deduction and default arg
4407         * pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE.
4409 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4411         PR c++/77489
4412         * mangle.c (write_discriminator): Reorganize abi warning check.
4414 2017-01-18  Nathan Sidwell  <nathan@acm.org>
4416         * cp-tree.h: Clarify exception spec node comment.
4417         * except.c (nothrow_spec_p): Simplify by checking node-equality.
4419         PR c++/79091
4420         * mangle.c (write_exception_spec): Check nothrow explicitly.
4421         (write_encoding): Don't increment processing_template_decl around
4422         encoding.
4424 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4426         PR c++/70182
4427         * mangle.c (write_template_args): Add "on" for operator names.
4429 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
4431         PR c++/77489
4432         * mangle.c (write_discriminator): Handle discriminator >= 10.
4434 2017-01-17  Nathan Sidwell  <nathan@acm.org>
4436         PR c++/61636
4437         * cp-tree.h (maybe_generic_this_capture): Declare.
4438         * lambda.c (resolvable_dummy_lambda): New, broken out of ...
4439         (maybe_resolve_dummy): ... here.  Call it.
4440         (maybe_generic_this_capture): New.
4441         * parser.c (cp_parser_postfix_expression): Speculatively capture
4442         this in generic lambda in unresolved member function call.
4443         * pt.c (tsubst_copy_and_build): Force hard error from failed
4444         member function lookup in generic lambda.
4446 2017-01-17  Aldy Hernandez  <aldyh@redhat.com>
4448         PR c++/70565
4449         * cp-array-notation.c (expand_array_notation_exprs): Handle
4450         OMP_PARALLEL.
4452 2017-01-11  Jason Merrill  <jason@redhat.com>
4454         PR c++/78337 - ICE on invalid with generic lambda
4455         * semantics.c (process_outer_var_ref): Check if containing_function
4456         is null.  Move inform call under complain test.
4458 2017-01-11  Nathan Sidwell  <nathan@acm.org>
4460         PR c++/77812
4461         * name-lookup.c (set_namespace_binding_1): An overload of 1 decl
4462         is a new overload.
4464 2017-01-11  Nathan Sidwell  <nathan@acm.org>
4466         * name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation.
4468 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
4470         PR c++/78341
4471         * parser.c (cp_parser_std_attribute_spec): Remove over-eager
4472         assertion.  Formatting fix.
4474         PR c++/72813
4475         * decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
4476         writing PCH file.
4478 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
4480         PR c++/77949
4481         * parser.c (cp_parser_class_specifier_1): Only suggest inserting
4482         a missing semicolon if we have a valid insertion location for
4483         the fix-it hint.
4485 2017-01-10  Jason Merrill  <jason@redhat.com>
4487         FI 20, decomposition declaration with parenthesized initializer.
4488         * parser.c (cp_parser_decomposition_declaration): Use
4489         cp_parser_initializer.
4491 2017-01-09  Jason Merrill  <jason@redhat.com>
4493         Implement P0195R2, C++17 variadic using.
4494         * parser.c (cp_parser_using_declaration): Handle ellipsis and comma.
4495         * pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE.
4496         * error.c (dump_decl): Likewise.
4498 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
4500         PR translation/79019
4501         PR translation/79020
4502         * semantics.c (finish_omp_clauses): Add missing whitespace to
4503         translatable strings.
4504         * cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo.
4506 2017-01-07  Jason Merrill  <jason@redhat.com>
4508         PR c++/78948 - instantiation from discarded statement
4509         * parser.h (struct cp_parser): Remove in_discarded_stmt field.
4510         * cp-tree.h (in_discarded_stmt): Declare it.
4511         (struct saved_scope): Add discarded_stmt bitfield.
4512         (in_discarded_stmt): New macro.
4513         * decl2.c (mark_used): Check it.
4514         * parser.c (cp_parser_selection_statement): Adjust.
4515         (cp_parser_jump_statement): Adjust.
4517 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
4519         PR c++/78931
4520         * decl.c (cp_finish_decomp): Remove probe variable, if tt is
4521         REFERENCE_REF_P, set tt to its operand.
4523         PR c++/78890
4524         * class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
4525         unions even for C++11 and later.
4527 2017-01-05  Nathan Sidwell  <nathan@acm.org>
4529         PR c++/78765
4530         * pt.c (convert_nontype_argument): Don't try and see if integral
4531         or enum expressions are constants prematurely.
4533 2017-01-04  Marek Polacek  <polacek@redhat.com>
4535         PR c++/64767
4536         * typeck.c (cp_build_binary_op): Warn when a pointer is compared with
4537         a zero character literal.
4539 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
4541         PR c++/78949
4542         * typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
4543         vector type.
4545         PR c++/78693
4546         * parser.c (cp_parser_simple_declaration): Only complain about
4547         inconsistent auto deduction if auto_result doesn't use auto.
4549         * parser.c (cp_parser_simple_declaration): Diagnose function
4550         declaration among more than one init-declarators with auto
4551         specifier.
4553         PR c++/71182
4554         * parser.c (cp_lexer_previous_token): Use vec_safe_address in the
4555         assertion, as lexer->buffer may be NULL.
4557 2017-01-04  Marek Polacek  <polacek@redhat.com>
4559         PR c++/77545
4560         PR c++/77284
4561         * constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
4563 2017-01-04  Nathan Sidwell  <nathan@acm.org>
4565         PR c++/66735
4566         * cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
4567         (lambda_capture_field_type): Update prototype.
4568         * lambda.c (lambda_capture_field_type): Add is_reference parm.
4569         Add referenceness here.
4570         (add_capture): Adjust lambda_capture_field_type call, refactor
4571         error checking.
4572         * pt.c (tsubst): Adjust lambda_capture_field_type call.
4574 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
4576         Update copyright years.
4578 Copyright (C) 2017 Free Software Foundation, Inc.
4580 Copying and distribution of this file, with or without modification,
4581 are permitted in any medium without royalty provided the copyright
4582 notice and this notice are preserved.