[PATCH c++/86881] -Wshadow-local-compatible ICE
[official-gcc.git] / gcc / cp / ChangeLog
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1 2018-09-18  Nathan Sidwell  <nathan@acm.org>
3         PR c++/86881
4         * name-lookup.c (check_local_shadow): Ignore auto types.
6 2018-09-17  David Malcolm  <dmalcolm@redhat.com>
8         * error.c (range_label_for_type_mismatch::get_text): Update for
9         new param.
11 2018-09-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13         * typeck2.c (digest_init_r): Fix overlength strings.
15 2018-09-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
17         PR c++/87093
18         * method.c (constructible_expr): We're in an unevaluated context
19         in all cases, not just for class targets.
21 2018-09-12  David Malcolm  <dmalcolm@redhat.com>
23         PR c++/85110
24         * call.c (struct conversion_info): Add "loc" field.
25         (arg_conversion_rejection): Add "loc" param, using it to
26         initialize the new field.
27         (bad_arg_conversion_rejection): Likewise.
28         (explicit_conversion_rejection): Initialize the new field to
29         UNKNOWN_LOCATION.
30         (template_conversion_rejection): Likewise.
31         (add_function_candidate): Pass on the argument location to the new
32         param of arg_conversion_rejection.
33         (add_conv_candidate): Likewise.
34         (build_builtin_candidate): Likewise.
35         (build_user_type_conversion_1): Likewise.
36         (single_z_candidate): New function.
37         (maybe_get_bad_conversion_for_unmatched_call): New function.
38         (complain_about_bad_argument): New function, based on part of
39         convert_for_assignment.
40         (build_new_method_call_1): Split out handling of the "no viable
41         candidates" case into...
42         (complain_about_no_candidates_for_method_call): ...this new
43         function, and use the new functions above to special-case the
44         handling of a single non-viable candidate due to a bad argument.
45         * cp-tree.h (complain_about_bad_argument): New decl.
46         * typeck.c (convert_for_assignment): Split out one error-handling
47         case into complain_about_bad_argument.
49 2018-09-09  Cesar Philippidis  <cesar@codesourcery.com>
50             Julian Brown  <julian@codesourcery.com>
52         PR middle-end/86336
53         * semantics.c (finish_omp_clauses): Treat C++ references the same in
54         OpenACC as OpenMP.
56 2018-08-28  Martin Liska  <mliska@suse.cz>
58         * constexpr.c (cxx_eval_call_expression): Add quotes
59         to -fconstexpr-depth=.
61 2018-09-10  Marek Polacek  <polacek@redhat.com>
63         * class.c (build_vtbl_ref): Remove.
64         (build_vtbl_ref_1): Rename to build_vtbl_ref.
65         (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
67 2018-09-08  Marek Polacek  <polacek@redhat.com>
69         PR c++/87150 - wrong ctor with maybe-rvalue semantics.
70         * call.c (struct conversion): Update commentary.
71         (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
72         for ck_base.
74 2018-09-08  Jason Merrill  <jason@redhat.com>
76         PR c++/86678 - constexpr function with non-constant after return.
77         * constexpr.c (potential_constant_expression_1): Add jump_target.
78         (breaks): Check for BREAK_STMT.
79         (continues): Check for CONTINUE_STMT.
81 2018-09-08  Marek Polacek  <polacek@redhat.com>
83         * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
84         RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
86 2018-09-07  Marek Polacek  <polacek@redhat.com>
88         PR c++/87152 - range-based for loops with initializer broken in templates.
89         * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
90         Recur into RANGE_FOR_INIT_STMT.
91         * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
92         * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
93         * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
94         RANGE_FOR_INIT_STMT.
95         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
96         RANGE_FOR_INIT_STMT.
97         * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
98         Do put the init statement in RANGE_FOR_INIT_STMT.
99         (finish_range_for_decl): Pop it for templates.
101 2018-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
103         * decl.c (check_initializer): Call cp_complete_array_type.
105 2018-09-05  Marek Polacek  <polacek@redhat.com>
107         PR c++/87109, wrong overload with ref-qualifiers.
108         * call.c (build_user_type_conversion_1): Use NULL instead of 0.  Bail
109         out if performing the maybe-rvalue overload resolution and a conversion
110         function is getting called.
112         PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
113         * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
114         to std::move or std::forward.
115         (is_std_forward_p): New function.
117 2018-09-05  Pádraig Brady  <p@draigbrady.com>
119         PR c++/87185
120         * lambda.c (prune_lambda_captures): Protect against const_vars.get
121         returning NULL.
123 2018-09-04  Marek Polacek  <polacek@redhat.com>
125         * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
126         * except.c (build_throw): Use it.  Use CP_TYPE_VOLATILE_P.
127         * typeck.c (treat_lvalue_as_rvalue_p): No longer static.  Add PARM_OK
128         parameter.
129         (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
130         (check_return_expr): Likewise.
132 2018-09-03  Paolo Carlini  <paolo.carlini@oracle.com>
134         PR c++/84980
135         * constraint.cc (finish_shorthand_constraint): Early return if the
136         constraint is erroneous.
138 2018-09-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
140         * decl.c (eval_check_narrowing): Remove.
141         (check_initializer): Move call to braced_list_to_string from here ...
142         * typeck2.c (store_init_value): ... to here.
143         (digest_init_r): Remove handing of signed/unsigned char strings.
145 2018-08-31  Nathan Sidwell  <nathan@acm.org>
147         PR c++/87155
148         PR c++/84707
149         * name-lookup.c (name_lookup::search_namespace): Don't look at
150         inlines when searching for NULL names.
152         * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
153         of return types and parms.
154         * parser.c (cp_parser_parameter_declaration_clause): Likewise,
155         '()' always means '(void)'.
157 2018-08-29  Jakub Jelinek  <jakub@redhat.com>
159         PR c++/87095
160         * decl.c (begin_destructor_body): If current_class_type has
161         virtual bases and the primary base is nearly empty virtual base,
162         voidify clearing of vptr and make it conditional on in-charge
163         argument.
165 2018-08-29  Paolo Carlini  <paolo.carlini@oracle.com>
167         PR c++/85265
168         * parser.c (cp_parser_introduction_list): If cp_parser_identifier
169         returns error_mark_node early exit the loop.
170         (cp_parser_template_introduction): Improve error-recovery, remove
171         error call about empty introduction-list.
173 2018-08-29  David Malcolm  <dmalcolm@redhat.com>
175         PR c++/85110
176         * call.c (print_conversion_rejection): Add "fn" param and use it
177         for "no known conversion" messages to underline the pertinent
178         param.
179         (print_z_candidate): Supply "fn" to the new param above.
181 2018-08-29  Jakub Jelinek  <jakub@redhat.com>
183         PR c++/87122
184         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
185         processing_template_decl and decl is structured binding decl, call
186         cp_finish_decomp.
188 2018-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
190         PR c++/86546
191         * decl.c (finish_case_label): If the type is erroneous early
192         return error_mark_node.
194 2018-08-27  David Malcolm  <dmalcolm@redhat.com>
196         PR c++/63392
197         * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
198         hint.
200 2018-08-27  Jakub Jelinek  <jakub@redhat.com>
202         PR c++/86993
203         * cp-tree.h (cxx_readonly_error): Add location_t argument.
204         * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
205         ERROR_FOR_ASSIGNMENT macro and readonly_error.  Add LOC argument
206         to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
207         pass LOC to it.  Formatting fixes.
208         * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
209         (cp_build_modify_expr): Pass loc to cxx_readonly_error.
210         * semantics.c (finish_asm_stmt): Pass input_location to
211         cxx_readonly_error.
213 2018-08-27  David Malcolm  <dmalcolm@redhat.com>
215         PR c++/87091
216         * decl.c (grokdeclarator): Update for conversion of show_caret_p
217         to a tri-state.
218         * error.c (cp_printer): Likewise.
219         * name-lookup.c (maybe_suggest_missing_std_header): Update call to
220         maybe_add_include_fixit to suggest overriding the location, as it
221         is for a note.
222         * parser.c (cp_parser_string_literal): Update for conversion of
223         show_caret_p to a tri-state.
224         (cp_parser_elaborated_type_specifier): Likewise.
225         (set_and_check_decl_spec_loc): Likewise.
226         * pt.c (listify): Update call to maybe_add_include_fixit to not
227         override the location, as it is for an error.
228         * rtti.c (typeid_ok_p): Likewise.
230 2018-08-27  Martin Liska  <mliska@suse.cz>
232         * call.c (build_call_a): Use new function
233         fndecl_built_in_p and remove check for FUNCTION_DECL if
234         possible.
235         (build_cxx_call): Likewise.
236         * constexpr.c (constexpr_fn_retval): Likewise.
237         (cxx_eval_builtin_function_call): Likewise.
238         (cxx_eval_call_expression): Likewise.
239         (potential_constant_expression_1): Likewise.
240         * cp-gimplify.c (cp_gimplify_expr): Likewise.
241         (cp_fold): Likewise.
242         * decl.c (decls_match): Likewise.
243         (validate_constexpr_redeclaration): Likewise.
244         (duplicate_decls): Likewise.
245         (make_rtl_for_nonlocal_decl): Likewise.
246         * name-lookup.c (consider_binding_level): Likewise.
247         (cp_emit_debug_info_for_using): Likewise.
248         * semantics.c (finish_call_expr): Likewise.
249         * tree.c (builtin_valid_in_constant_expr_p): Likewise.
251 2018-08-26  Marek Polacek  <polacek@redhat.com>
253         PR c++/87080
254         * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
256         PR c++/87029, Implement -Wredundant-move.
257         * typeck.c (treat_lvalue_as_rvalue_p): New function.
258         (maybe_warn_pessimizing_move): Call convert_from_reference.
259         Warn about redundant moves.
261 2018-08-24  Marek Polacek  <polacek@redhat.com>
263         PR c++/67012
264         PR c++/86942
265         * decl.c (grokdeclarator): Disallow functions with trailing return
266         type with decltype(auto) as its type.  Also check the function if
267         it's inner declarator doesn't exist
269 2018-08-21  Marek Polacek  <polacek@redhat.com>
271         PR c++/86499
272         * parser.c (cp_parser_lambda_introducer): Give error if a non-local
273         lambda has a capture-default.
275 2018-08-21  Paolo Carlini  <paolo.carlini@oracle.com>
277         * decl.c (check_static_variable_definition): Change to return void.
279 2018-08-21  Marek Polacek  <polacek@redhat.com>
281         PR c++/86981, Implement -Wpessimizing-move.
282         * typeck.c (decl_in_std_namespace_p): New.
283         (is_std_move_p): New.
284         (maybe_warn_pessimizing_move): New.
285         (can_do_nrvo_p): New, factored out of ...
286         (check_return_expr): ... here.  Warn about potentially harmful
287         std::move in a return statement.
289         PR c++/65043
290         * call.c (standard_conversion): Set check_narrowing.
291         * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
292         than comparing with INTEGER_TYPE.
294         * cp-tree.h: Fix typo.
296 2018-08-20  David Malcolm  <dmalcolm@redhat.com>
298         PR other/84889
299         * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
300         instance(s).
301         (print_error_for_call_failure): Likewise.
302         (build_op_call_1): Likewise.
303         (build_conditional_expr_1): Likewise.
304         (build_new_op_1): Likewise.
305         (build_op_delete_call): Likewise.
306         (convert_like_real): Likewise.
307         (build_over_call): Likewise.
308         (build_new_method_call_1): Likewise.
309         (joust): Likewise.
310         * class.c (check_tag): Likewise.
311         (finish_struct_anon_r): Likewise.
312         (one_inherited_ctor): Likewise.
313         (finalize_literal_type_property): Likewise.
314         (explain_non_literal_class): Likewise.
315         (find_flexarrays): Likewise.
316         (resolve_address_of_overloaded_function): Likewise.
317         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
318         (is_valid_constexpr_fn): Likewise.
319         (cx_check_missing_mem_inits): Likewise.
320         * cp-gimplify.c (cp_genericize_r): Likewise.
321         * cvt.c (maybe_warn_nodiscard): Likewise.
322         * decl.c (warn_extern_redeclared_static): Likewise.
323         (check_redeclaration_exception_specification): Likewise.
324         (check_no_redeclaration_friend_default_args): Likewise.
325         (duplicate_decls): Likewise.
326         (redeclaration_error_message): Likewise.
327         (warn_misplaced_attr_for_class_type): Likewise.
328         * decl2.c (finish_static_data_member_decl): Likewise.
329         (no_linkage_error): Likewise.
330         (cp_warn_deprecated_use): Likewise.
331         * error.c (qualified_name_lookup_error): Likewise.
332         * friend.c (make_friend_class): Likewise.
333         (do_friend): Likewise.
334         * init.c (perform_member_init): Likewise.
335         (build_new_1): Likewise.
336         (build_vec_delete_1): Likewise.
337         (build_delete): Likewise.
338         * lex.c (unqualified_name_lookup_error): Likewise.
339         * name-lookup.c (check_extern_c_conflict): Likewise.
340         (inform_shadowed): New function.
341         (check_local_shadow): Add auto_diagnostic_group instances,
342         replacing goto "inform_shadowed" label with call to subroutine.
343         (set_local_extern_decl_linkage): Add auto_diagnostic_group
344         instance(s).
345         * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
346         (cp_parser_namespace_name): Likewise.
347         * pt.c (check_specialization_namespace): Likewise.
348         (check_template_variable): Likewise.
349         (warn_spec_missing_attributes): Likewise.
350         (check_explicit_specialization): Likewise.
351         (process_partial_specialization): Likewise.
352         (lookup_template_class_1): Likewise.
353         (finish_template_variable): Likewise.
354         (do_auto_deduction): Likewise.
355         * search.c (check_final_overrider): Likewise.
356         (look_for_overrides_r): Likewise.
357         * tree.c (maybe_warn_parm_abi): Likewise.
358         * typeck.c (cxx_sizeof_expr): Likewise.
359         (cp_build_function_call_vec): Likewise.
360         (cp_build_binary_op): Likewise.
361         (convert_for_assignment): Likewise.
362         (maybe_warn_about_returning_address_of_local): Likewise.
363         * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
364         (check_narrowing): Likewise.
366 2018-08-17  David Malcolm  <dmalcolm@redhat.com>
368         * typeck.c (string_conv_p): Extract location from EXP and use it
369         in preference to input_location when issuing warnings.
371 2018-08-15  David Malcolm  <dmalcolm@redhat.com>
373         * call.c: Include "gcc-rich-location.h".
374         (convert_like_real): Add range label for "invalid conversion"
375         diagnostic.
376         (perform_implicit_conversion_flags): Add type label to the
377         "could not convert" error.
378         * error.c: Include "gcc-rich-location.h".
379         (range_label_for_type_mismatch::get_text): New function.
380         * typeck.c (convert_for_assignment): Add type label to
381         the "cannot convert" error if a location is available.
383 2018-08-15  Paolo Carlini  <paolo.carlini@oracle.com>
385         * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
386         emit an error instead of a permerror.
388 2018-08-13  Marek Polacek  <polacek@redhat.com>
390         PR c++/57891
391         * call.c (struct conversion): Add check_narrowing_const_only.
392         (build_converted_constant_expr): Set check_narrowing and
393         check_narrowing_const_only.  Give error if expr is error node.
394         (convert_like_real): Pass it to check_narrowing.
395         * cp-tree.h (check_narrowing): Add a default parameter.
396         * decl.c (compute_array_index_type): Use input_location instead of
397         location_of.
398         * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
399         * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
400         expressions.  Call maybe_constant_value instead of
401         fold_non_dependent_expr.  Don't mention { } in diagnostic.  Only check
402         narrowing for constants if CONST_ONLY.
404 2018-08-13  Martin Sebor  <msebor@redhat.com>
406         PR tree-optimization/71625
407         * decl.c (check_initializer):  Call braced_list_to_string.
408         (eval_check_narrowing): New function.
409         * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
410         as initilizers for all narrow character types.
412 2018-08-13  Marek Polacek  <polacek@redhat.com>
414         P0806R2 - Deprecate implicit capture of this via [=]
415         * lambda.c (add_default_capture): Formatting fixes.  Warn about
416         deprecated implicit capture of this via [=].
418         PR c++/86915
419         * decl.c (create_array_type_for_decl): Handle null name.
421 2018-08-10  Jason Merrill  <jason@redhat.com>
423         PR c++/86728 - C variadic generic lambda.
424         * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
425         a pack if it's followed by a declarator-id.
427 2018-08-08  Jakub Jelinek  <jakub@redhat.com>
429         P0595R1 - is_constant_evaluated
430         * cp-tree.h (enum cp_built_in_function): New.
431         (maybe_constant_init): Add pretend_const_required argument.
432         * typeck2.c (store_init_value): Pass true as new argument to
433         maybe_constant_init.
434         * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
435         for BUILT_IN_UNREACHABLE.
436         (struct constexpr_ctx): Add pretend_const_required field.
437         (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
438         macro.  Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED.  Check also
439         DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
440         (cxx_eval_outermost_constant_expr): Add pretend_const_required
441         argument, initialize pretend_const_required field in ctx.  If the
442         result is TREE_CONSTANT and non_constant_p, retry with
443         pretend_const_required false if it was true.
444         (is_sub_constant_expr): Initialize pretend_const_required_field in
445         ctx.
446         (cxx_constant_value): Pass true as pretend_const_required to
447         cxx_eval_outermost_constant_expr.
448         (maybe_constant_value): Pass false as pretend_const_required to
449         cxx_eval_outermost_constant_expr.
450         (fold_non_dependent_expr): Likewise.
451         (maybe_constant_init_1): Add pretend_const_required argument, pass it
452         down to cxx_eval_outermost_constant_expr.  Pass !allow_non_constant
453         instead of false as strict to cxx_eval_outermost_constant_expr.
454         (maybe_constant_init): Add pretend_const_required argument, pass it
455         down to maybe_constant_init_1.
456         (cxx_constant_init): Pass true as pretend_const_required to
457         maybe_constant_init_1.
458         * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
459         CP_BUILT_IN_IS_CONSTANT_EVALUATED.
460         (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
461         * decl.c: Include langhooks.h.
462         (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
463         built-in.
464         * tree.c (builtin_valid_in_constant_expr_p): Return true for
465         CP_BUILT_IN_IS_CONSTANT_EVALUATED.
466         * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
468         PR c++/86836
469         * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
470         before tsubst_init, not after it.
472         PR c++/86738
473         * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
474         NULL pointer set *non_constant_p to true.
475         (cxx_eval_component_reference): For dereferencing of a NULL pointer,
476         set *non_constant_p to true and return t.
478 2018-08-07  Paolo Carlini  <paolo.carlini@oracle.com>
480         PR c++/59480, DR 136
481         * decl.c (check_no_redeclaration_friend_default_args): New.
482         (duplicate_decls): Use the latter; also check that a friend
483         declaration specifying default arguments is a definition.
485 2018-08-07  Ville Voutilainen  <ville.voutilainen@gmail.com>
487         PR c++/79133
488         * name-lookup.c (check_local_shadow): Reject captures and parameters
489         with the same name.
491 2018-08-06  Marek Polacek  <polacek@redhat.com>
493         PR c++/86767
494         * constexpr.c (cxx_eval_statement_list): Handle continue.
496 2018-08-03  David Malcolm  <dmalcolm@redhat.com>
497             Jonathan Wakely  <jwakely@redhat.com>
499         * decl.c: Include "gcc-rich-location.h".
500         (add_return_star_this_fixit): New function.
501         (finish_function): When warning about missing return statements in
502         functions returning non-void, add a "return *this;" fix-it hint for
503         assignment operators.
505 2018-08-03  Jason Merrill  <jason@redhat.com>
507         PR c++/86706
508         * class.c (build_base_path): Use currently_open_class.
510 2018-08-02  David Malcolm  <dmalcolm@redhat.com>
512         * error.c (cxx_print_error_function): Duplicate "file" before
513         passing it to pp_set_prefix.
514         (cp_print_error_function): Use pp_take_prefix when saving the
515         existing prefix.
517 2018-08-02  Richard Biener  <rguenther@suse.de>
519         PR c++/86763
520         * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
521         to the CLASSTYPE_AS_BASE.
523 2018-08-01  Martin Sebor  <msebor@redhat.com>
525         PR tree-optimization/86650
526         * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
527         TREE_BLOCK (t) from within percent_K_format to this callsite.
529 2018-08-01  Paolo Carlini  <paolo.carlini@oracle.com>
531         PR c++/86661
532         * class.c (note_name_declared_in_class): Use location_of in permerror
533         instead of DECL_SOURCE_LOCATION (for OVERLOADs).
535 2018-07-31  Tom de Vries  <tdevries@suse.de>
537         PR debug/86687
538         * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
540 2018-07-31  Jakub Jelinek  <jakub@redhat.com>
542         P1008R1 - prohibit aggregates with user-declared constructors
543         * class.c (check_bases_and_members): For C++2a set
544         CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
545         type_has_user_provided_or_explicit_constructor.
547 2018-07-31  Martin Liska  <mliska@suse.cz>
549         PR c++/86653
550         * parser.c (cp_parser_condition): Initialize non_constant_p
551         to false.
553 2018-07-28  David Malcolm  <dmalcolm@redhat.com>
555         * error.c (cp_printer): In the leading comment, move "%H" and "%I"
556         into alphabetical order, and add missing "%G" and "%K".  Within
557         the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
558         cases are in alphabetical order.
560 2018-07-25  Jakub Jelinek  <jakub@redhat.com>
562         * cp-tree.h (enum cp_tree_index): Add
563         CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
564         and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
565         (abi_tag_identifier, aligned_identifier, begin_identifier,
566         end_identifier, get__identifier, gnu_identifier,
567         tuple_element_identifier, tuple_size_identifier, type_identifier,
568         value_identifier, fun_identifier, closure_identifier): Define.
569         * decl.c (initialize_predefined_identifiers): Initialize the above
570         identifiers.
571         (get_tuple_size): Use tuple_size_identifier instead of
572         get_identifier ("tuple_size") and value_identifier instead of
573         get_identifier ("value").
574         (get_tuple_element_type): Use tuple_element_identifier instead of
575         get_identifier ("tuple_element") and type_identifier instead of
576         get_identifier ("type").
577         (get_tuple_decomp_init): Use get__identifier instead of
578         get_identifier ("get").
579         * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
580         get_identifier ("_FUN").
581         * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
582         instead of get_identifier ("__closure").
583         (cp_parser_std_attribute): Use gnu_identifier instead of
584         get_identifier ("gnu").
585         (cp_parser_std_attribute_spec): Likewise.  Use aligned_identifier
586         instead of get_identifier ("aligned").
587         * class.c (check_abi_tags, inherit_targ_abi_tags): Use
588         abi_tag_identifier instead of get_identifier ("abi_tag").
590         PR c++/85515
591         * cp-tree.h (enum cp_tree_index): Add
592         CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
593         (for_range__identifier, for_begin__identifier, for_end__identifier,
594         for_range_identifier, for_begin_identifier, for_end_identifier):
595         Define.
596         * decl.c (initialize_predefined_identifiers): Initialize
597         for_{range,begin,end}{,_}_identifier.
598         * parser.c (build_range_temp): Use for_range__identifier instead of
599         get_identifier ("__for_range").
600         (cp_convert_range_for): Use for_begin__identifier and
601         for_end__identifier instead of get_identifier ("__for_begin") and
602         get_identifier ("__for_end").
603         * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
604         local symbols to "__for_{range,begin,end}".
606 2018-07-23  Jakub Jelinek  <jakub@redhat.com>
608         PR c++/86569
609         * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
610         of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
611         or warn_nonnull_compare.
613 2018-07-19  Paolo Carlini  <paolo.carlini@oracle.com>
615         Revert fix for c++/59480 (and testsuite followup)
617         2019-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
619         PR c++/59480, DR 136
620         * decl.c (check_no_redeclaration_friend_default_args): New.
621         (duplicate_decls): Use the latter; also check that a friend
622         declaration specifying default arguments is a definition.
624 2018-07-18  Jakub Jelinek  <jakub@redhat.com>
626         PR c++/86550
627         * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
628         specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
630 2018-07-18  Marek Polacek  <polacek@redhat.com>
632         PR c++/86190 - bogus -Wsign-conversion warning
633         * typeck.c (cp_build_binary_op): Fix formatting.  Add a warning
634         sentinel.
636 2018-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
638         PR c++/59480, DR 136
639         * decl.c (check_no_redeclaration_friend_default_args): New.
640         (duplicate_decls): Use the latter; also check that a friend
641         declaration specifying default arguments is a definition.
643 2018-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
645         * class.c (note_name_declared_in_class): Prefer permerror + inform
646         to a pair of permerrors; use DECL_SOURCE_LOCATION.
648 2018-07-18  Richard Biener  <rguenther@suse.de>
650         PR debug/86523
651         * decl2.c (c_parse_final_cleanups): Call write_out_vars before
652         start_static_storage_duration_function sets current_function_decl.
654 2018-07-17  Jason Merrill  <jason@redhat.com>
656         PR c++/86480 - nested variadic lambda and constexpr if.
657         * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
658         IF_STMT_EXTRA_ARGS.
659         * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
660         cp_unevaluated_operand.
661         [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
663 2018-07-16  Paolo Carlini  <paolo.carlini@oracle.com>
665         * class.c (resolve_address_of_overloaded_function): Don't emit an
666         inform if the matching permerror returns false.
667         * pt.c (check_specialization_namespace): Likewise.
669 2018-07-16  Jakub Jelinek  <jakub@redhat.com>
671         PR c++/3698
672         PR c++/86208
673         * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
674         in TREE_USED flag from stmt to h->to.
676 2018-07-13  Nathan Sidwell  <nathan@acm.org>
678         PR c++/86374
679         * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
680         contexts that are classes.
681         * parser.c (cp_parser_template_id): Combine entering_scope decl &
682         initializer.
684 2018-07-12  Jakub Jelinek  <jakub@redhat.com>
686         * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
687         type here, instead add "omp declare target implicit" attribute.  Add
688         that attribute instead of "omp declare target" also when
689         processing_template_decl.
690         * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
691         and before calling cp_omp_mappable_type call complete_type.
693 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
695         PR sanitizer/86406
696         * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
697         DEBUG_BEGIN_STMTs.
699         PR c++/86443
700         * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
701         instead of setting *lastp turn orig_declv elt into a TREE_LIST.
702         (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
703         * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
704         TREE_LIST for both the original class iterator and the "last" helper
705         var.
707 2018-07-09  Paolo Carlini  <paolo.carlini@oracle.com>
709         * decl.c (grokdeclarator): Use rich_location::add_range in three
710         more places; include gcc-rich-location.h.
712 2018-07-07  Aldy Hernandez  <aldyh@redhat.com>
714         * decl.c (build_enumerator): Change overflow type to overflow_type.
715         * init.c (build_new_1): Same.
717 2018-07-05  Nathan Sidwell  <nathan@acm.org>
719         * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
720         NO_IMPLICIT_EXTERN_C.
721         * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
723 2018-07-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
725         PR c++/86398
726         * method.c (is_trivially_xible): Return false
727         if is_xible_helper returns a NULL_TREE.
729 2018-07-03  Paolo Carlini  <paolo.carlini@oracle.com>
731         * decl.c (min_location): New.
732         (smallest_type_quals_location): Use the latter.
733         (check_concept_fn): Use DECL_SOURCE_LOCATION.
734         (grokdeclarator): Use accurate locations in a number of error
735         messages involving ds_thread, ds_storage_class, ds_virtual,
736         ds_constexpr, ds_typedef and ds_friend; exploit min_location.
738 2018-07-03  Marek Polacek  <polacek@redhat.com>
740         PR c++/86201
741         * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
743 2018-07-03  Jason Merrill  <jason@redhat.com>
745         PR c++/86378 - functional cast in noexcept-specifier.
746         * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
748 2018-07-02  Paolo Carlini  <paolo.carlini@oracle.com>
750         * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
751         in error message about __thread and thread_local at the same time.
753 2018-06-29  Marek Polacek  <polacek@redhat.com>
755         PR c++/86184
756         * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
758 2018-06-28  David Malcolm  <dmalcolm@redhat.com>
760         * parser.c (cp_parser_error_1): After issuing a conflict marker
761         error, consume tokens until the end of the source line.
763 2018-06-28  Jason Merrill  <jason@redhat.com>
765         PR c++/86342 - -Wdeprecated-copy and system headers.
766         * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
767         in system headers.
769 2018-06-27  David Malcolm  <dmalcolm@redhat.com>
771         PR c++/86329
772         * name-lookup.c (consider_binding_level): Filter out names that
773         match anon_aggrname_p.
775 2018-06-27  Jason Merrill  <jason@redhat.com>
777         * name-lookup.c (do_pushtag): If we skip a class level, also skip
778         its template level.
780 2018-06-26  Jason Merrill  <jason@redhat.com>
782         PR c++/86320 - memory-hog with std::array of pair
783         * typeck2.c (process_init_constructor_array): Only compute a
784         constant initializer once.
786         PR c++/80290 - memory-hog with std::pair.
787         * pt.c (fn_type_unification): Add convs parameter.
788         (check_non_deducible_conversion): Remember conversion.
789         (check_non_deducible_conversions): New.  Do checks here.
790         (type_unification_real): Not here.  Remove flags parm.
791         * call.c (add_function_candidate): Make convs a parameter.
792         Don't recalculate the conversion if it's already set.
793         (add_template_candidate_real): Allocate convs here.
794         (good_conversion, conv_flags): New.
796 2018-06-26  Jakub Jelinek  <jakub@redhat.com>
798         PR c++/86291
799         * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
800         type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
802 2018-06-23  Paolo Carlini  <paolo.carlini@oracle.com>
804         * decl.c (bad_specifiers): Add const location_t* parameter and
805         use locations in error messages about 'inline' and 'virtual'.
806         (mark_inline_variable): Add location_t parameter and use it in
807         error_at and pedwarn messages.
808         (grokdeclarator): Use declspecs->locations[ds_constexpr],
809         declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
810         declspecs->locations[ds_inline] in many error messages; adjust
811         bad_specifiers and mark_inline_variable calls.
812         (grokvardecl): Use declspecs->locations[ds_concept] in error message.
814 2018-06-22  Jason Merrill  <jason@redhat.com>
816         PR c++/86219 - ICE with erroneous initializer in template.
817         * constexpr.c (fold_non_dependent_expr): Add complain parm.
818         * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
819         Pass it.
820         * call.c (build_cxx_call): Don't mess with builtins in a template.
821         * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
822         produce a constant value, go back to the uninstantiated form.
824         Avoid taking the address of something just because it's in parens.
825         * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
826         (cxx_fold_indirect_ref): Use it.
827         (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
828         * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
829         * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
830         static_cast to reference type.
831         (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
833 2018-06-21  Jason Merrill  <jason@redhat.com>
835         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
837         * name-lookup.c (do_push_to_top_level): Don't allocate
838         current_lang_base.
839         (do_pop_from_top_level): Release current_lang_base.
841         Let -fmem-report see callers of cxx_make_type.
842         * lex.c (cxx_make_type): Add MEM_STAT_DECL.
843         (make_class_type): Likewise.
844         (cxx_make_type_hook): New.
845         * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
847 2018-06-20  Nathan Sidwell  <nathan@acm.org>
849         PR c++/85634
850         * friend.c (add_friend): Keep lookup sets of tempate sets.
852 2018-06-20  Paolo Carlini  <paolo.carlini@oracle.com>
854         * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
855         tidy handling of a null location_t argument; use proper location
856         information in a few additional error messages.
857         (grokdeclarator): Update calls.
859 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
860             Thomas Schwinge <thomas@codesourcery.com>
861             Cesar Philippidis  <cesar@codesourcery.com>
863         * parser.c (cp_parser_omp_clause_name): Add support for finalize
864         and if_present. Make present_or_{copy,copyin,copyout,create} aliases
865         to their non-present_or_* counterparts. Make 'self' an alias to
866         PRAGMA_OACC_CLAUSE_HOST.
867         (cp_parser_oacc_data_clause): Update GOMP mappings for
868         PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
869         PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
870         (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
871         Remove support for present_or_* clauses.
872         (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
873         (OACC_PARALLEL_CLAUSE_MASK): Likewise.
874         (OACC_DECLARE_CLAUSE_MASK): Likewise.
875         (OACC_DATA_CLAUSE_MASK): Likewise.
876         (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
877         (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
878         (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
879         (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
880         * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
881         * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
883 2018-06-20  Marek Polacek  <polacek@redhat.com>
885         PR c++/86240
886         * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
887         (fold_simple_1): Likewise.
888         * error.c (dump_expr): Likewise.
890 2018-06-20  Nathan Sidwell  <nathan@acm.org>
892         PR c++/85634
893         * cp-tree.h (lookup_keep): Drop KEEP parm.
894         (lookup_list_keep): Delete.
895         (maybe_get_fns): Declare.
896         * parser.c (cp_parser_primary_expression): Call lookup_keep here.
897         (cp_parser_template_id): Not here ...
898         * decl.c (cp_finish_decl): ... nor here ...
899         * init.c (build_raw_new_expr): ... nor here ...
900         * pt.c (process_template_parm): ... nor here ...
901         * semantics.c (perform_koenig_lookup): Call lookup_keep.
902         (finish_call_expr): Not here.
903         * tree.c (ovl_cache): Delete.
904         (ovl_make, ovl_copy): No cache.
905         (lookup_keep): Always keep.
906         (lookup_list_keep): Delete.
907         (maybe_get_fns): New, broken out of ...
908         (get_fns): ... here.  Call it.
909         (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
910         (build_min_nt_call_vec): Likewise.
912 2018-06-19  Jason Merrill  <jason@redhat.com>
914         * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
915         * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
917         PR c++/86182 - ICE with anonymous union passed to template.
918         * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
919         used to declare a named variable.
921 2018-06-18  Jason Merrill  <jason@redhat.com>
923         * tree.c (cp_expr_location): New.
924         * cp-tree.h (cp_expr_loc_or_loc): New.
925         * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
926         error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
927         typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
929         * parser.c (cp_parser_lambda_expression): Use a range for
930         LAMBDA_EXPR_LOCATION.
932         PR c++/86200 - ICE with unexpanded pack in lambda parameter.
933         * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
934         function type.
936         PR c++/81060 - ICE with unexpanded parameter pack.
937         * pt.c (check_for_bare_parameter_packs): Add loc parameter.
938         * decl.c (grokdeclarator): Call it for qualifying_scope.
940         PR c++/86171 - ICE with recursive alias instantiation.
941         * pt.c (tsubst_decl): Handle recursive alias instantiation.
943 2018-06-18  Paolo Carlini  <paolo.carlini@oracle.com>
945         * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
946         in errors about redefined default arguments; tidy.
948 2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
950         * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
951         * cp-gimplify.c (cp_fold): Likewise.
953 2018-06-15  Jason Merrill  <jason@redhat.com>
955         PR c++/86147 - wrong capture for template argument.
956         * expr.c (mark_use): Look through NOP_EXPR.
958         * name-lookup.c (do_pushtag): Don't look through complete types, but
959         don't add to them either.  Get context from current_binding_level.
960         * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
962         * decl.c (start_enum): Do compare dependent underlying type.
964         PR c++/82882 - ICE with lambda in template default argument.
965         * lambda.c (record_null_lambda_scope): New.
966         * pt.c (tsubst_lambda_expr): Use it.
967         * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
968         function that isn't open.
970         * tree.c (maybe_warn_parm_abi): Inform the location of the class.
972 2018-06-14  Marek Polacek  <polacek@redhat.com>
974         PR c++/86063
975         * decl2.c (cp_check_const_attributes): Skip trees that are not
976         TREE_LISTs.
978 2018-06-14  Jakub Jelinek  <jakub@redhat.com>
980         P0624R2 - Default constructible and assignable stateless lambdas
981         * method.c (synthesized_method_walk): For C++2a don't mark
982         sfk_constructor or sfk_copy_assignment as deleted if lambda has
983         no lambda-captures.
985 2018-06-14  Paolo Carlini  <paolo.carlini@oracle.com>
987         * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
988         OPT_Wshadow warning_at.
989         (grokfndecl): Consistently use the location_t argument in
990         literal operator diagnostic messages.
991         (grokdeclarator): Use declspecs->locations[ds_storage_class]
992         in error_at call.
993         * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
994         in permerror call.
996 2018-06-13  Jason Merrill  <jason@redhat.com>
998         PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
999         * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1000         constructors.
1002         PR c++/86094 - wrong code with defaulted move ctor.
1003         * class.c (classtype_has_non_deleted_move_ctor): New.
1004         * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1005         Handle v12 breakage.
1007 2018-06-12  Jason Merrill  <jason@redhat.com>
1009         PR c++/86098 - ICE with template placeholder for TTP.
1010         * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1011         CLASS_PLACEHOLDER_TEMPLATE.
1013 2018-06-12  Paolo Carlini  <paolo.carlini@oracle.com>
1015         * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1016         parameter and adjust error_at calls.
1017         * decl.c (grok_op_properties): Adjust calls.
1018         * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1020 2018-06-12  Marek Polacek  <polacek@redhat.com>
1022         Core issue 1331 - const mismatch with defaulted copy constructor
1023         * class.c (check_bases_and_members): When checking a defaulted
1024         function, mark it as deleted rather than giving an error.
1026 2018-06-11  Jason Merrill  <jason@redhat.com>
1028         PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1029         * class.c (maybe_warn_about_overly_private_class): Handle inherited
1030         constructors.
1032         PR c++/85963 - -Wunused-but-set with ?: in template.
1033         * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1035 2018-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
1037         * decl.c (grok_op_properties): Consistently use the location
1038         of the decl; remove special casing of POSTINCREMENT_EXPR and
1039         POSTDECREMENT_EXPR wrt default arguments.
1041 2018-06-05  Jason Merrill  <jason@redhat.com>
1043         * constexpr.c (cxx_eval_binary_expression): Special case comparison
1044         of pointers to members of the same union.
1046 2018-06-11  Jason Merrill  <jason@redhat.com>
1048         PR c++/86094 - wrong code with defaulted move ctor.
1049         * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1051 2018-06-10  Paolo Carlini  <paolo.carlini@oracle.com>
1053         * decl.c (grokfndecl): Use the location_t argument in two more places.
1055 2018-06-06  Marek Polacek  <polacek@redhat.com>
1057         PR c++/85977
1058         * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1059         deduction from the list elements.
1060         (type_unification_real): Check convertibility of list elements.
1062 2018-06-06  Jason Merrill  <jason@redhat.com>
1064         PR c++/86060 - ICE on range for with -std=c++98.
1065         * parser.c (cp_parser_init_statement): Don't clobber *decl after
1066         pedwarn.
1068         PR c++/85710 - ICE with -Wmemset-elt-size.
1069         * semantics.c (finish_call_expr): Call warn_for_memset here.
1070         * parser.c (cp_parser_postfix_expression): Not here.
1071         (literal_integer_zerop): No longer static.
1072         * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1074 2018-06-05  Marek Polacek  <polacek@redhat.com>
1076         PR c++/85976
1077         * tree.c (cp_tree_equal): Handle USING_DECL.
1079 2018-06-05  Jason Merrill  <jason@redhat.com>
1081         PR c++/85731 - wrong error with qualified-id in template.
1082         * semantics.c (finish_qualified_id_expr): build_qualified_name
1083         for unbound names in the current class.
1085 2018-06-04  Jason Merrill  <jason@redhat.com>
1087         PR c++/61806 - missed SFINAE with partial specialization.
1088         * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1089         parameter to constructor.
1090         * pt.c (instantiate_class_template_1): Enable access checking
1091         before call to most_specialized_partial_spec.
1093         PR c++/85765 - SFINAE and non-type default template arg.
1094         * pt.c (type_unification_real): Do full semantic processing if
1095         substituting a partial args list replaces all template parms.
1097 2018-06-03  Jason Merrill  <jason@redhat.com>
1099         PR c++/85739 - ICE with pointer to member template parm.
1100         * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1102 2018-06-02  Jason Merrill  <jason@redhat.com>
1104         PR c++/85761 - ICE with ill-formed use of const outer variable.
1105         * expr.c (mark_use): Handle location wrappers.
1107 2018-06-01  Jason Merrill  <jason@redhat.com>
1109         PR c++/85764 - bogus 'this' not captured error.
1110         * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1111         (nonlambda_method_basetype): Handle NSDMI.
1113         CWG 1581: When are constexpr member functions defined?
1114         * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1115         (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1117         PR c++/58281 - explicit instantiation of constexpr
1118         * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1120         * pt.c (instantiate_decl): Any defaulted function is defined.
1122 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
1124         PR c++/77777
1125         * call.c (resolve_args): Use location of expression, not current input
1126         location.
1128 2018-05-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
1130         Do not warn about zero-as-null when NULL is used.
1131         * call.c (conversion_null_warnings): Check for pointer
1132         types converted from zero constants.
1133         (convert_like_real): Add a warning sentinel at the end.
1134         * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1135         check null_node_p.
1137 2018-05-30  Jason Merrill  <jason@redhat.com>
1139         PR c++/85807 - ICE with call in template NSDMI.
1140         * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1141         * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1143         PR c++/85873 - constant initializer_list array not in .rodata.
1144         * tree.c (build_target_expr): Set TREE_READONLY.
1145         * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1147         * parser.c (cp_parser_check_condition_declarator): Handle
1148         cp_error_declarator.
1150 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
1152         * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1153         of using it in dead store.
1155 2018-05-29  Jason Merrill  <jason@redhat.com>
1157         PR c++/67445 - returning temporary initializer_list.
1158         PR c++/67711 - assigning from temporary initializer_list.
1159         PR c++/48562 - new initializer_list.
1160         * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1161         about returning local initializer_list.
1162         * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1163         * call.c (build_over_call): Warn about assignment from temporary
1164         init_list.
1165         * init.c (build_new_1): Warn about 'new std::initializer_list'.
1166         (find_list_begin, maybe_warn_list_ctor): New.
1167         (perform_member_init): Use maybe_warn_list_ctor.
1169 2018-05-29  Marek Polacek  <polacek@redhat.com>
1171         PR c++/85883
1172         * init.c (build_new): Handle deducing a class with new
1173         with more than one argument.
1175 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
1177         PR c++/85952
1178         * init.c (build_aggr_init): For structured binding initialized from
1179         array call mark_rvalue_use on the initializer.
1181 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1183         * decl2.c (start_static_storage_duration_function): Use
1184         splay_tree_delete_pointers.
1186 2018-05-25  Jason Merrill  <jason@redhat.com>
1188         PR c++/85815 - reference to member of enclosing template.
1189         * search.c (lookup_base): Use currently_open_class.
1190         (lookup_member): Use it regardless of -fconcepts.
1191         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1193         CWG 616, 1213 - value category of subobject references.
1194         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1196 2018-05-24  Jason Merrill  <jason@redhat.com>
1198         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1199         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1200         generic lambda.
1202 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
1204         Pedwarn on a non-standard position of a C++ attribute.
1205         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1206         after the namespace name.
1208 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
1210         * cp-tree.h (INDIRECT_TYPE_P): New.
1211         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1212         joust): Use it instead of POINTER_TYPE_P.
1213         * class.c (update_vtable_entry_for_fn, find_flexarrays,
1214         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1215         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1216         * cxx_eval_increment_expression, potential_constant_expression_1):
1217         Likewise.
1218         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1219         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1220         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1221         cp_ubsan_maybe_instrument_downcast): Likewise.
1222         * cvt.c (cp_convert_to_pointer, ocp_convert,
1223         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1224         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1225         pp_cxx_offsetof_expression_1): Likewise.
1226         * decl.c (grokparms, static_fn_type): Likewise.
1227         * decl2.c (grokbitfield): Likewise.
1228         * error.c (dump_expr): Likewise.
1229         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1230         * init.c (warn_placement_new_too_small): Likewise.
1231         * lambda.c (build_capture_proxy, add_capture): Likewise.
1232         * parser.c (cp_parser_omp_for_loop): Likewise.
1233         * pt.c (convert_nontype_argument, fn_type_unification,
1234         uses_deducible_template_parms, check_cv_quals_for_unify,
1235         dependent_type_p_r): Likewise.
1236         * search.c (check_final_overrider): Likewise.
1237         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1238         finish_omp_for): Likewise.
1239         * tree.c (cp_build_qualified_type_real): Likewise.
1240         * typeck.c (build_class_member_access_expr,
1241         finish_class_member_access_expr, build_x_indirect_ref,
1242         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1243         Likewise.
1245 2018-05-24  Jason Merrill  <jason@redhat.com>
1247         PR c++/85864 - literal template and default template arg.
1248         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1250 2018-05-24  Marek Polacek  <polacek@redhat.com>
1252         PR c++/85847
1253         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
1254         variable for its result.  Fix a condition.
1255         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
1257 2018-05-23  Jason Merrill  <jason@redhat.com>
1259         Fix cast to rvalue reference from prvalue.
1260         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1261         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1262         non-class type.  Handle xvalue argument.
1263         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1264         rvalue reference.
1265         * semantics.c (finish_compound_literal): Do direct-initialization,
1266         not cast, to initialize a reference.
1268         CWG 616, 1213 - value category of subobject references.
1269         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1270         an xvalue.
1271         * typeck2.c (build_m_component_ref): Likewise.
1272         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1273         distinction between temporary and xvalue.
1275 2018-05-23  Marek Polacek  <polacek@redhat.com>
1277         Implement P0614R1, Range-based for statements with initializer.
1278         * parser.c (cp_parser_range_based_for_with_init_p): New.
1279         (cp_parser_init_statement): Use it.  Parse the optional init-statement
1280         for a range-based for loop.
1281         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1283 2018-05-22  Jason Merrill  <jason@redhat.com>
1285         PR c++/81420 - not extending temporary lifetime.
1286         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1287         * class.c (build_base_path): Avoid redundant move of an rvalue.
1289         PR c++/85866 - error with .* in default template arg.
1290         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1292 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
1294         * parser.c (cp_parser_parameter_declaration_list): Remove
1295         bool* parameter.
1296         (cp_parser_parameter_declaration_clause): Adjust.
1297         (cp_parser_cache_defarg): Likewise.
1299 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
1301         PR c++/84588
1302         * parser.c (cp_parser_maybe_commit_to_declaration,
1303         cp_parser_check_condition_declarator): New.
1304         (cp_parser_simple_declaration): Use the first above.
1305         (cp_parser_condition): Use both the above; enforce
1306         [stmt.stmt]/2 about the declarator not specifying
1307         a function or an array; improve error-recovery.
1309 2018-05-20  Jason Merrill  <jason@redhat.com>
1311         PR libstdc++/85843 - warning in logic_error copy constructor.
1312         * class.c (type_has_user_nondefault_constructor): Check for a
1313         user-provided ctor, not user-declared.
1315 2018-05-19  Jason Merrill  <jason@redhat.com>
1317         * pt.c (tsubst_pack_expansion): Sorry rather than abort
1318         on __integer_pack as subexpression of pattern.
1320 2018-05-18  Jason Merrill  <jason@redhat.com>
1322         PR c++/58407 - deprecated implicit copy ops.
1323         * call.c (build_over_call): Warn about deprecated trivial fns.
1324         * class.c (classtype_has_user_copy_or_dtor): New.
1325         (type_build_ctor_call): Check TREE_DEPRECATED.
1326         (type_build_dtor_call): Likewise.
1327         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1328         Add checks.  Return bool.  Handle -Wdeprecated-copy.
1329         (mark_used): Use it.
1330         * decl.c (grokdeclarator): Remove redundant checks.
1331         * typeck2.c (build_functional_cast): Likewise.
1332         * method.c (lazily_declare_fn): Mark deprecated copy ops.
1333         * init.c (build_aggr_init): Only set TREE_USED if there are
1334         side-effects.
1336 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
1338         PR c++/85782
1339         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1340         OACC_LOOPs.
1342 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
1344         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1345         (potential_constant_expression_1): Likewise.
1347 2018-05-16  Marek Polacek  <polacek@redhat.com>
1349         PR c++/85363
1350         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1351         * tree.c (bot_manip): Call set_flags_from_callee for
1352         AGGR_INIT_EXPRs too.
1354 2018-05-15  Jason Merrill  <jason@redhat.com>
1356         * cp-tree.h (cp_expr): Remove copy constructor.
1357         * mangle.c (struct releasing_vec): Declare copy constructor.
1359         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1361         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1362         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1363         is a throw-expression.
1365 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
1367         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1368         (FOR_EACH_CLONE): Update.
1369         * decl.c (grokdeclarator): Use it.
1370         * decl2.c (vague_linkage_p): Likewise.
1371         * mangle.c (mangle_decl): Likewise.
1372         * method.c (lazily_declare_fn): Likewise.
1373         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1374         * repo.c (repo_emit_p): Likewise.
1375         * tree.c (decl_linkage): Likewise.
1377 2018-05-14  Jason Merrill  <jason@redhat.com>
1379         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1380         * tree.c (build_cp_fntype_variant): New.
1381         (build_ref_qualified_type, build_exception_variant)
1382         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1383         (cxx_type_hash_eq, cp_check_qualified_type): Check
1384         TYPE_HAS_LATE_RETURN_TYPE.
1385         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1386         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1387         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1388         (adjust_clone_args): Likewise.
1389         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
1390         build_cp_fntype_variant.
1391         (grokdeclarator): Pass late_return_type_p to grokfndecl.
1392         (check_function_type): Use cxx_copy_lang_qualifiers.
1393         (static_fn_type): Use cxx_copy_lang_qualifiers.
1394         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1395         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1396         (change_return_type): Use cxx_copy_lang_qualifiers.
1397         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1398         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1399         return type on the declarator like a normal trailing return type.
1400         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1401         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1402         * typeck.c (merge_types): Use build_cp_fntype_variant.
1404 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
1406         * cp-tree.h (TYPE_REF_P): New.
1407         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1408         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1409         direct_reference_binding, reference_binding, implicit_conversion,
1410         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1411         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1412         build_over_call, perform_implicit_conversion_flags,
1413         extend_ref_init_temps, type_has_extended_temps): Use it.
1414         * class.c (one_inheriting_sig, check_field_decls,
1415         check_bases_and_members, find_flexarrays, finish_struct,
1416         fixed_type_or_null): Likewise.
1417         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1418         non_const_var_error, cxx_eval_constant_expression,
1419         potential_constant_expression_1): Likewise.
1420         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1421         cp_genericize_r, cxx_omp_privatize_by_reference,
1422         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1423         cp_fold_maybe_rvalue): Likewise.
1424         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1425         * cvt.c (build_up_reference, convert_to_reference,
1426         convert_from_reference, convert_to_void, noexcept_conv_p,
1427         fnptr_conv_p): Likewise.
1428         * decl.c (poplevel, check_for_uninitialized_const_var,
1429         check_initializer, initialize_local_var, cp_finish_decl,
1430         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1431         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1432         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1433         decl_maybe_constant_var_p): Likewise.
1434         * error.c (dump_type_prefix, dump_expr): Likewise.
1435         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1436         is_admissible_throw_operand_or_catch_parameter): Likewise.
1437         * expr.c (mark_use): Likewise.
1438         * init.c (build_zero_init_1, build_value_init_noctor,
1439         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1440         build_new, build_delete): Likewise.
1441         * lambda.c (build_lambda_object): Likewise.
1442         * mangle.c (write_expression, write_template_arg): Likewise.
1443         * method.c (forward_parm, do_build_copy_constructor,
1444         do_build_copy_assign, build_stub_object, constructible_expr,
1445         walk_field_subobs): Likewise.
1446         * parser.c (cp_parser_omp_for_loop_init,
1447         cp_parser_omp_declare_reduction_exprs,
1448         cp_parser_omp_declare_reduction): Likewise.
1449         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1450         convert_template_argument, tsubst_pack_expansion,
1451         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1452         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1453         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1454         value_dependent_expression_p, build_deduction_guide): Likewise.
1455         * semantics.c (finish_handler_parms, finish_non_static_data_member,
1456         finish_compound_literal, omp_privatize_field,
1457         handle_omp_array_sections_1, handle_omp_array_sections,
1458         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1459         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1460         finish_omp_clauses, finish_decltype_type, capture_decltype,
1461         finish_builtin_launder): Likewise.
1462         * tree.c (lvalue_kind, cp_build_reference_type, move,
1463         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1464         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1465         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1466         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1467         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1468         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1469         convert_for_initialization,
1470         maybe_warn_about_returning_address_of_local, check_return_expr,
1471         cp_type_quals, casts_away_constness, non_reference): Likewise.
1472         * typeck2.c (cxx_readonly_error, store_init_value,
1473         process_init_constructor_record, build_x_arrow, build_functional_cast,
1474         add_exception_specifier): Likewise.
1476 2018-05-14  Jason Merrill  <jason@redhat.com>
1478         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1479         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1481 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
1483         PR c/85696
1484         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1485         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1486         cxx_omp_predetermined_sharing_1.  Rename old function to ...
1487         (cxx_omp_predetermined_sharing_1): ... this.
1488         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1489         instead of cxx_omp_predetermined_sharing.
1491 2018-05-10  Jason Merrill  <jason@redhat.com>
1493         * decl.c (cp_finish_decl): Don't instantiate auto variable.
1494         (check_static_variable_definition): Allow auto.
1495         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1497         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1498         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1500         Core issue 2310 - conversion to base of incomplete type.
1501         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1503         CWG 2267 - list-initialization of reference temporary
1504         * call.c (reference_binding): List-initializing a reference
1505         temporary is copy-list-initialization.
1507         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1509         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1510         instantiation in template context.
1512         * class.c (vbase_has_user_provided_move_assign): Use
1513         user_provided_p.
1515         * lambda.c (lambda_expr_this_capture): Improve logic.
1517         * decl.c (make_typename_type): s/parameters/arguments/.
1518         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1519         * pt.c (make_pack_expansion): Correct error message.
1521 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
1523         PR c++/85662
1524         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1525         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1526         fold_convert.
1528 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1530         PR c++/85400
1531         * decl2.c (adjust_var_decl_tls_model): New static function.
1532         (comdat_linkage): Call it on a variable.
1533         (maybe_make_one_only): Likewise.
1535 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
1537         PR c++/85713
1538         Revert:
1539         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
1541         PR c++/84588
1542         * parser.c (cp_parser_parameter_declaration_list): When the
1543         entire parameter-declaration-list is erroneous maybe call
1544         abort_fully_implicit_template.
1546 2018-05-08  Jason Merrill  <jason@redhat.com>
1548         PR c++/85706 - class deduction under decltype
1549         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
1550         *walk_subtrees whether or not we walked into the operand.
1551         (type_uses_auto): Only look at deduced contexts.
1553 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
1555         PR c++/84588
1556         * parser.c (cp_parser_parameter_declaration_list): When the
1557         entire parameter-declaration-list is erroneous maybe call
1558         abort_fully_implicit_template.
1560 2018-05-08  Marek Polacek  <polacek@redhat.com>
1562         PR c++/85695
1563         * semantics.c (finish_if_stmt_cond): See through typedefs.
1565 2018-05-07  Jason Merrill  <jason@redhat.com>
1567         PR c++/85646 - lambda visibility.
1568         * decl2.c (determine_visibility): Don't mess with template arguments
1569         from the containing scope.
1570         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1571         thunk.
1573 2018-05-07  Nathan Sidwell  <nathan@acm.org>
1575         Remove fno-for-scope
1576         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1577         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1578         (SET_DECL_SHADOWED_FOR_VAR): Delete.
1579         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1580         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1581         Don't declare.
1582         * name-lookup.h (struct cp_binding_level): Remove
1583         dead_vars_from_for field.
1584         * cp-lang.c (cp_init_ts): Delete.
1585         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1586         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1587         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1588         (init_shadowed_var_for_decl): Delete.
1589         * decl.c (poplevel): Remove shadowed for var handling.
1590         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1591         * name-lookup.c (find_local_binding): Remove shadowed for var
1592         handling.
1593         (check_local_shadow): Likewise.
1594         (check_for_out_of_scope_variable): Delete.
1595         * parser.c (cp_parser_primary_expression): Remove shadowed for var
1596         handling.
1597         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1598         * semantics.c (begin_for_scope): Always have a scope.
1599         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1600         (begin_range_for_stmt, finish_id_expression): Likewise.
1602 2018-05-07  Jason Merrill  <jason@redhat.com>
1604         PR c++/85618 - ICE with initialized VLA.
1605         * tree.c (vla_type_p): New.
1606         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1607         rather than array_of_runtime_bound_p.
1609 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
1611         * cvt.c (ocp_convert): Early handle the special case of a
1612         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1614 2018-05-03  Jason Merrill  <jason@redhat.com>
1616         PR c++/85600 - virtual delete failure.
1617         * init.c (build_delete): Always save_expr when deleting.
1619 2018-05-03  Nathan Sidwell  <nathan@acm.org>
1621         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1622         * name-lookup.c (do_pushdecl): Likewise.
1624 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
1625             Jason Merrill  <jason@redhat.com>
1627         PR c++/68374
1628         * name-lookup.c (check_local_shadow): Don't handle static old
1629         declarations in the block handling locals shadowing locals.
1631 2018-05-01  Jason Merrill  <jason@redhat.com>
1633         PR c++/85587 - error with scoped enum in template.
1634         * semantics.c (finish_qualified_id_expr): Don't return an
1635         unqualified IDENTIFIER_NODE.
1637 2018-04-30  Jason Merrill  <jason@redhat.com>
1639         PR c++/85580 - extern "C" and local variables
1640         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1642         PR c++/84701 - unsigned typeof.
1643         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1644         of long/short/signed/unsigned.
1646         PR c++/85305 - pack in lambda init-capture.
1647         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1648         check_for_bare_parameter_packs in a subexpression.
1649         (cp_parser_lambda_introducer): Use it.
1651         PR c++/61982 - dead stores to destroyed objects.
1652         * call.c (build_trivial_dtor_call): New, assigns a clobber.
1653         (build_over_call, build_special_member_call): Use it.
1654         * cp-tree.h: Declare it.
1655         * init.c (build_delete): Remove trivial path.
1657         * init.c (build_dtor_call): Use build_special_member_call.
1658         (build_delete): Remove redundant uses of save_addr.
1660         * decl.c (build_clobber_this): Use build_clobber.
1662 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
1664         PR c++/85553
1665         * init.c (build_zero_init_1): For zero initialization of
1666         NULLPTR_TYPE_P type use build_int_cst directly.
1668 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
1670         PR c++/85515
1671         * name-lookup.c (consider_binding_level): Skip compiler-generated
1672         variables.
1673         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1674         nested if statements into a series of rejection tests.  Reject
1675         lambda-ignored entities as suggestions.
1677 2018-04-27  Jason Merrill  <jason@redhat.com>
1679         * cvt.c (cp_fold_convert): Use convert_ptrmem.
1680         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1682 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
1684         PR c++/84691
1685         * decl.c (grokdeclarator): Clear friendp upon definition in local
1686         class definition error.
1688 2018-04-27  Jason Merrill  <jason@redhat.com>
1690         PR c++/85545 - ICE with noexcept PMF conversion.
1691         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1692         build_ptrmemfunc.
1693         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1694         adjustment.
1695         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1697 2018-04-27  Nathan Sidwell  <nathan@acm.org>
1699         * typeck.c (convert_ptrmem): Move local var decls to initialization.
1701         * cp-tree.h (TEMPLATE_INFO): Fix comments.
1702         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1703         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1704         (dump, print_other_binding_stacks): Remove declarations.
1705         * name-lookup.c (print_other_binding_stack): Make static.
1706         * pt.c (build_template_decl): Make static.
1708 2018-04-26  Jason Merrill  <jason@redhat.com>
1710         PR c++/85545 - ICE with noexcept PMF conversion.
1711         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1713 2018-04-25  Nathan Sidwell  <nathan@acm.org>
1715         PR c++/85437
1716         PR c++/49171
1717         * cp-tree.h (REINTERPRET_CAST_P): New.
1718         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1719         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
1720         for non-trivial PTRMEM_CST cases.
1721         * typeck.c (build_nop_reinterpret): New.
1722         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
1723         NOP_EXPRs returned by cp_convert.
1725 2018-04-23  Jason Merrill  <jason@redhat.com>
1727         PR c++/69560 - wrong alignof(double) on x86.
1728         CWG 1879 - Inadequate definition of alignment requirement.
1729         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1730         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1731         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1732         (cxx_alignof_expr): Pass it.
1733         * parser.c (cp_parser_unary_expression): Pass it.
1734         * pt.c (tsubst_copy): Copy it.
1735         (tsubst_copy_and_build): Pass it.
1736         * decl.c (fold_sizeof_expr): Pass it.
1738 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
1739             Jason Merrill  <jason@redhat.com>
1741         PR c++/85470 - wrong error with static data member.
1742         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1743         * typeck2.c (store_init_value): Likewise.
1745 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
1747         PR c++/85462
1748         * cp-tree.h (tinst_level): Remove in_system_header_p member,
1749         change refcount member from unsigned char to unsigned short,
1750         add refcount_infinity static data member, adjust comments.
1751         * pt.c (tinst_level::refcount_infinity): Define.
1752         (inc_refcount_use): Remove assert, don't increment if refcount
1753         is already refcount_infinity, adjust comment.
1754         (dec_refcount_use): Remove assert, don't decrement if refcount
1755         is refcount_infinity, adjust comment.
1756         (push_tinst_level_loc): Formatting fix.
1758 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
1760         PR c++/84611
1761         * pt.c (lookup_template_class_1): Check pushtag return value for
1762         error_mark_node.
1764 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
1766         PR c++/80290
1767         * cp-tree.h (tinst_level::free): Fix whitespace.
1769 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
1771         PR c++/84630
1772         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1773         for error_mark_node.
1775 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
1777         PR c++/84463
1778         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1779         tricks from here to ...
1780         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
1781         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1783 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
1785         PR c++/80290
1786         * cp-tree.h (struct tinst_level): Split decl into tldcl and
1787         targs.  Add private split_list_p, tree_list_p, and not_list_p
1788         inline const predicates; to_list private member function
1789         declaration; free public member function declaration; list_p,
1790         get_node and maybe_get_node accessors, and refcount data
1791         member.  Narrow errors to unsigned short.
1792         * error.c (print_instantiation_full_context): Use new
1793         accessors.
1794         (print_instantiation_partial_context_line): Likewise.  Drop
1795         const from tinst_level-typed parameter.
1796         * mangle.c (mangle_decl_string): Likewise.
1797         * pt.c (freelist): New template class.
1798         (tree_list_freelist_head): New var.
1799         (tree_list_freelist): New fn, along with specializations.
1800         (tinst_level_freelist_head): New var.
1801         (pending_template_freelist_head): Likewise.
1802         (tinst_level_freelist, pending_template_freelist): New fns.
1803         (tinst_level::to_list, tinst_level::free): Define.
1804         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1805         (set_refcount_ptr): New template fn.
1806         (add_pending_template): Adjust for refcounting, freelists and
1807         new accessors.
1808         (neglectable_inst_p): Take a NULL d as a non-DECL.
1809         (limit_bad_template_recursion): Use new accessors.
1810         (push_tinst_level): New overload to create the list.
1811         (push_tinst_level_loc): Make it static, split decl into two
1812         args, adjust tests and initialization to cope with split
1813         lists, use freelist, adjust for refcounting.
1814         (push_tinst_level_loc): New wrapper with the old interface.
1815         (pop_tinst_level): Adjust for refcounting.
1816         (record_last_problematic_instantiation): Likewise.
1817         (reopen_tinst_level): Likewise.  Use new accessors.
1818         (instantiate_alias_template): Adjust for split list.
1819         (fn_type_unification): Likewise.
1820         (get_partial_spec_bindings): Likewise.
1821         (instantiate_pending_templates): Use new accessors.  Adjust
1822         for refcount.  Release pending_template to freelist.
1823         (instantiating_current_function_p): Use new accessors.
1825 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
1827         PR c++/85039
1828         * parser.c (cp_parser_builtin_offset): Reject type definitions.
1829         * mangle.c (nested_anon_class_index): Avoid crash returning -1
1830         if we've seen errors.
1832 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
1834         PR c++/85385
1835         * name-lookup.c (macro_use_before_def::maybe_make): New function,
1836         checking that the use is indeed before the definition.
1837         (macro_use_before_def::macro_use_before_def): Make private.
1838         (macro_use_before_def::~macro_use_before_def): Make private.  Move
1839         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1840         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1841         than using new directly.
1843 2018-04-12  Jason Merrill  <jason@redhat.com>
1845         PR c++/85356 - ICE with pointer to member function.
1846         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1847         flag_noexcept_type.  Build the new spec within the function context.
1848         * except.c (build_noexcept_spec): Do get constant value in templates
1849         if flag_noexcept_type.
1850         * decl.c (check_redeclaration_exception_specification): Don't
1851         instantiate noexcept on a dependent declaration.
1853 2018-04-12  Marek Polacek  <polacek@redhat.com>
1855         PR c++/85258
1856         * constexpr.c (reduced_constant_expression_p): Return false for null
1857         trees.
1859 2018-04-11  Marek Polacek  <polacek@redhat.com>
1861         PR c++/85032
1862         * constexpr.c (potential_constant_expression_1): Consider conversions
1863         from classes to literal types potentially constant.
1865 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
1867         PR c++/70808
1868         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1869         the type like TYPE_PTR_OR_PTRMEM_P.
1871 2018-04-10  Jason Merrill  <jason@redhat.com>
1873         PR debug/65821 - wrong location for main().
1874         * call.c (clear_location_r, convert_default_arg): Revert.
1875         * tree.c (break_out_target_exprs): Add clear_location parm.
1876         (struct bot_data): New.
1877         (bot_manip): Clear location if requested.
1878         * init.c (get_nsdmi): Pass clear_location.
1880 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
1882         PR c++/85110
1883         * call.c (get_fndecl_argument_location): Make non-static.
1884         * cp-tree.h (get_fndecl_argument_location): New decl.
1885         * typeck.c (convert_for_assignment): When complaining due to
1886         conversions for an argument, show the location of the parameter
1887         within the decl.
1889 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
1891         PR c++/85312 - P0962 cleanup
1892         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1893         diagnostics.
1895 2018-04-10  Jason Merrill  <jason@redhat.com>
1897         PR debug/65821 - wrong location for main().
1898         * call.c (clear_location_r): New.
1899         (convert_default_arg): Use it.
1900         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1902         PR c++/85285 - ICE with flexible array after substitution.
1903         * pt.c (instantiate_class_template_1): Check for flexible array in
1904         union.
1906 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
1908         PR c++/85227
1909         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1910         issue a pedwarn and defer trying to do bindings.
1912 2018-04-09  Jason Merrill  <jason@redhat.com>
1914         PR c++/85279 - dump_expr doesn't understand decltype.
1915         * error.c (dump_expr): Handle DECLTYPE_TYPE.
1917         PR c++/85262 - ICE with redundant qualification on constructor.
1918         * call.c (build_new_method_call_1): Move make_args_non_dependent
1919         after A::A() handling.
1921         PR c++/85277 - ICE with invalid offsetof.
1922         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1923         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1925         PR c++/85264 - ICE with excess template-parameter-list.
1926         * parser.c (cp_parser_check_template_parameters): Add template_id_p
1927         parameter.  Don't allow an extra template header if true.
1928         (cp_parser_class_head): Pass template_id_p.
1929         (cp_parser_elaborated_type_specifier): Likewise.
1930         (cp_parser_alias_declaration): Likewise.
1931         (cp_parser_check_declarator_template_parameters): Likewise.
1933 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
1935         PR c++/85194
1936         * parser.c (cp_parser_simple_declaration): For structured bindings,
1937         if *maybe_range_for_decl is NULL after parsing it, set it to
1938         error_mark_node.
1940 2018-04-09  Jason Merrill  <jason@redhat.com>
1942         PR c++/85256 - ICE capturing pointer to VLA.
1943         * lambda.c (add_capture): Distinguish between variable-size and
1944         variably-modified types.
1946 2018-04-06  Jason Merrill  <jason@redhat.com>
1948         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1949         * pt.c (extract_locals_r): Remember local typedefs.
1951 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1953         PR c++/84269
1954         * name-lookup.c (struct std_name_hint): Move out of
1955         get_std_name_hint; add field "min_dialect".
1956         (get_std_name_hint): Add min_dialect values to all initializers.
1957         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1958         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1959         <shared_mutex>, <string_view>, <thread>, and <variant>.
1960         Add fstream, ifstream, and ofstream to <fstream>.
1961         Add istringstream, ostringstream, and stringstream to <sstream>.
1962         Add basic_string to <string>.
1963         Add tuple_element and tuple_size to <tuple>.
1964         Add declval to <utility>.
1965         Fix ordering of <queue> and <tuple>.
1966         Return a std_name_hint, rather than a const char *.
1967         (get_cxx_dialect_name): New function.
1968         (maybe_suggest_missing_std_header): Detect names that aren't yet
1969         available in the current dialect, and instead of suggesting a
1970         missing #include, warn about the dialect.
1972 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
1974         PR c++/85210
1975         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1976         errorcount is set if tsubst doesn't return a VAR_DECL.
1978 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
1980         PR c++/85021
1981         * name-lookup.c (using_directives_contain_std_p): New function.
1982         (has_using_namespace_std_directive_p): New function.
1983         (suggest_alternatives_for): Simplify if/else logic using early
1984         returns.  If no candidates were found, and there's a
1985         "using namespace std;" directive, call
1986         maybe_suggest_missing_std_header.
1987         (maybe_suggest_missing_header): Split later part of the function
1988         into..
1989         (maybe_suggest_missing_std_header): New.
1991 2018-04-06  Jason Merrill  <jason@redhat.com>
1993         PR c++/85242 - ICE with class definition in template parm.
1994         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1995         processing_template_parmlist.
1997         PR c++/85240 - LTO ICE with using of undeduced auto fn.
1998         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2000 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
2002         PR c++/85209
2003         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2004         is not prev, if prev == decl.
2006         PR c++/85208
2007         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2008         maybe_apply_pragma_weak here...
2009         (cp_maybe_mangle_decomp): ... but call it here instead.
2011 2018-04-05  Jason Merrill  <jason@redhat.com>
2013         PR c++/85136 - ICE with designated init in template.
2014         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2015         designated initializer.
2016         (check_array_designated_initializer): Update ce->index with the
2017         constant value.
2019         PR c++/83808 - ICE with VLA initialization.
2020         * typeck2.c (process_init_constructor_array): Don't require a VLA
2021         initializer to have VLA type.
2023 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
2025         PR c++/80956
2026         * call.c (convert_like_real): Fail gracefully for a broken
2027         std::initializer_list, missing a definition.
2029         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2031 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
2033         PR c++/84792
2034         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2035         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2037 2018-04-05  Jason Merrill  <jason@redhat.com>
2039         PR c++/82152 - ICE with class deduction and inherited ctor.
2040         * pt.c (do_class_deduction): Ignore inherited ctors.
2042         PR c++/84665 - ICE with array of empty class.
2043         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2045         PR c++/85228 - ICE with lambda in enumerator in template.
2046         * pt.c (bt_instantiate_type_proc): Don't assume
2047         CLASSTYPE_TEMPLATE_INFO is non-null.
2049 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
2051         Implement P0969
2052         * decl.c (find_decomp_class_base): Check accessibility instead
2053         of declared access, adjust diagnostic.
2055 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
2057         Implement P0961
2058         * decl.c (get_tuple_decomp_init): Check the templatedness
2059         of a member get.
2061 2018-04-05  Jason Merrill  <jason@redhat.com>
2063         PR c++/85200 - ICE with constexpr if in generic lambda.
2064         * pt.c (extract_locals_r): Don't record the local specs of variables
2065         declared within the pattern.
2067 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
2069         PR c++/84979
2070         * pt.c (check_auto_in_tmpl_args): New.
2071         (tsubst_qualified_id): Use it to reject template args
2072         referencing auto for non-type templates.
2073         * parser.c (cp_parser_template_id): Likewise.
2074         * cp-tree.h (check_auto_in_tmpl_args): Declare.
2075         * typeck2.c (build_functional_cast): Report correct location
2076         for invalid use of auto.
2078 2018-04-04  Jason Merrill  <jason@redhat.com>
2080         PR c++/85215 - ICE with copy-init from conversion.
2081         * call.c (merge_conversion_sequences): Fix type of direct binding
2082         sequence.
2084         PR c++/84938 - ICE with division by ~-1.
2085         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2087         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2088         * parser.c (cp_parser_mem_initializer_list): Call
2089         check_for_bare_parameter_packs.
2091 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
2093         PR inline-asm/85172
2094         * constexpr.c (cxx_eval_builtin_function_call): For calls to
2095         builtin_valid_in_constant_expr_p functions, don't call
2096         cxx_eval_constant_expression if argument is not
2097         potential_constant_expression.
2099         PR c++/85146
2100         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2101         argument.
2102         * semantics.c (calculate_bases): Add complain argument.  Use
2103         complete_type_or_maybe_complain instead of just complete_type and
2104         return an empty vector if it fails.  Move make_tree_vector () call
2105         after early return.  Formatting fixes.
2106         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
2107         end.
2108         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2109         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2110         calculate_direct_bases callers, formatting fixes.
2112 2018-04-04  Jason Merrill  <jason@redhat.com>
2114         PR c++/85006 - -fconcepts ICE with A<auto...> return type
2115         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2117         PR c++/85200 - ICE with constexpr if in generic lambda.
2118         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2120         PR c++/84221 - bogus -Wunused with attribute and template.
2121         * decl2.c (is_late_template_attribute): Handle unused and used
2122         normally on non-TYPE_DECL.
2124         PR c++/85135 - ICE with omitted template arguments.
2125         * decl.c (grokdeclarator): Catch deduced class type in trailing
2126         return type.
2128         PR c++/85133 - ICE with missing concept initializer.
2129         * decl.c (cp_finish_decl): If a concept initializer is missing, use
2130         true.
2132         PR c++/85118 - wrong error with generic lambda and std::bind.
2133         * call.c (add_template_conv_candidate): Disable if there are any
2134         call operators.
2136         PR c++/85141 - ICE with compound assignment and static member fn.
2137         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2138         compound assignment.
2140         PR c++/85148 - ICE with 'this' in array NSDMI.
2141         * tree.c (replace_placeholders_r): Use handled_component_p.
2143 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
2145         PR c++/65923
2146         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2147         * parser.c (cp_parser_unqualified_id): ..not here.
2149 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
2151         PR c++/84943
2152         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2153         used.
2154         * decl2.c (mark_used): Return without effects if tf_conv.
2156 2018-04-03  Jason Merrill  <jason@redhat.com>
2158         PR c++/85092 - C++17 ICE with unused list constructor.
2159         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2160         from a TARGET_EXPR.
2162         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2163         * constexpr.c (cxx_eval_builtin_function_call): Only defer
2164         __builtin_constant_p if ctx->quiet.
2166 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
2168         PR c++/84768
2169         * pt.c (rewrite_template_parm): If the first argument is
2170         error_mark_node return it immediately.
2171         (build_deduction_guide): Check the return value of the
2172         latter for error_mark_node.
2173         (do_class_deduction): Check the return value of the latter.
2175 2018-04-03  Jason Merrill  <jason@redhat.com>
2177         * semantics.c (finish_if_stmt_cond): Use
2178         instantiation_dependent_expression_p.
2180         PR c++/85149 - generic lambda and constexpr if.
2181         * pt.c (build_extra_args, add_extra_args): Split from
2182         tsubst_pack_expansion.
2183         (tsubst_expr) [IF_STMT]: Use them.
2184         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2186         * typeck.c (merge_types): Limit matching attribute shortcut to
2187         the default case.
2189 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
2191         PR c++/85147
2192         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2194         PR c++/85140
2195         * name-lookup.c (handle_namespace_attrs): Return early if attributes
2196         is error_mark_node.
2198         PR c++/85134
2199         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2200         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2201         instead for static data members clear init and set DECL_EXTERNAL.
2203 2018-04-02  Jason Merrill  <jason@redhat.com>
2205         PR c++/64095 - auto... parameter pack.
2206         * parser.c (cp_parser_parameter_declaration): Handle turning autos
2207         into packs here.
2208         (cp_parser_parameter_declaration_list): Not here.
2210 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
2212         PR c++/85027
2213         * class.c (instantiate_type): Peel off SAVE_EXPR before
2214         BASELINK.
2216 2018-03-30  Jason Merrill  <jason@redhat.com>
2218         * typeck2.c (process_init_constructor_record): Use
2219         init_list_type_node for the CONSTRUCTOR around an anonymous union
2220         designated initializer.
2222 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
2224         PR c++/84791
2225         * semantics.c (finish_omp_reduction_clause): If
2226         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2227         even if processing_template_decl.
2229 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
2231         PR c++/84269
2232         * name-lookup.c (get_std_name_hint): Add names from <memory>,
2233         <tuple>, and <utility>.
2235 2018-03-29  Jason Merrill  <jason@redhat.com>
2237         PR c++/85093 - too many template args with pack expansion.
2238         * pt.c (coerce_template_parms): Keep pack expansion args that will
2239         need to be empty.
2241 2018-03-29  Jason Merrill  <jason@redhat.com>
2243         * pt.c (build_non_dependent_expr): Propagate expr location.
2245 2018-03-27  Jason Merrill  <jason@redhat.com>
2247         PR c++/85060 - wrong-code with call to base member in template.
2248         * search.c (any_dependent_bases_p): Check uses_template_parms
2249         rather than processing_template_decl.
2251 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
2253         PR c++/85110
2254         * typeck.c (convert_for_assignment): When complaining due to
2255         conversions for an argument, attempt to use the location of the
2256         argument.
2258 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
2260         PR c++/85028
2261         * pt.c (tsubst_default_argument): Early return if the type of the
2262         parameter is erroneous.
2264 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
2266         PR c++/84973
2267         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2268         templates.
2270         PR c++/84968
2271         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2273 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
2275         PR c++/85067
2276         * method.c (defaulted_late_check): Partially revert r253321 changes,
2277         do not early return upon error.
2279 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
2281         PR c++/85077
2282         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2283         type call fold to generate VECTOR_CSTs when possible.
2285         PR c++/85076
2286         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2287         return it right away.
2289 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
2291         * search.c (check_final_overrider): Use inform instead of error
2292         for the diagnostics of the overridden functions.  Tweak wording.
2294 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
2296         PR c++/85068
2297         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2298         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
2300 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
2301             Jason Merrill  <jason@redhat.com>
2303         PR c++/84632
2304         * init.c (build_aggr_init): When initializing from array,
2305         reject anything but CONSTRUCTORs and TARGET_EXPRs.
2306         (build_vec_init): Handle separately ARRAY_TYPEs.
2308 2018-03-26  Jason Merrill  <jason@redhat.com>
2310         PR c++/85062 - ICE with alignas in wrong place.
2311         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2312         here.
2314         PR c++/85049 - ICE with __integer_pack.
2315         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2316         * cp-tree.h (TEMPLATE_PARM_P): New.
2318 2018-03-23  Jason Merrill  <jason@redhat.com>
2320         PR c++/78489 - wrong SFINAE behavior.
2322         PR c++/84489
2323         * pt.c (type_unification_real): Don't defer substitution failure.
2325 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
2327         PR c++/85015
2328         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2329         result.
2331         PR c++/84942
2332         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2333         cp_build_unary_op call with gcc_unreachable ().
2335 2018-03-23  Marek Polacek  <polacek@redhat.com>
2337         PR c++/85045
2338         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2339         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
2340         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2342 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
2344         Implement P0962
2345         * parser.c (cp_parser_perform_range_for_lookup): Change
2346         the condition for deciding whether to use members.
2348 2018-03-23  Marek Polacek  <polacek@redhat.com>
2350         PR c++/85033
2351         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2353 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
2355         PR c++/71251
2356         * parser.c (cp_parser_alias_declaration): Call
2357         parser_check_template_parameters.
2359         PR c++/84789
2360         * pt.c (resolve_typename_type): Drop assert that stopped
2361         simplification to template-independent types.  Add assert to
2362         verify the initial scope is template dependent.
2363         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2364         Reparse the id expression as a type-name, not a declarator.
2366         PR c++/84729
2367         * init.c (build_vec_init): Error at parenthesized array init.
2369         PR c++/84610
2370         PR c++/84642
2371         PR c++/84942
2372         * cp-tree.h (temp_override): New template class, generalizing
2373         a cleanup that was only used...
2374         * parser.c (cp_parser_parameter_declaration_clause):
2375         ... here for auto_is_implicit_function_template_parm_p.
2376         (cp_parser_gnu_attributes_opt): Use it here as well.
2377         (cp_parser_std_attribute): Likewise.
2379 2018-03-22  Marek Polacek  <polacek@redhat.com>
2381         PR c++/84854
2382         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2383         is boolean.
2385 2018-03-21  Jason Merrill  <jason@redhat.com>
2387         PR c++/81311 - wrong C++17 overload resolution.
2388         * call.c (build_user_type_conversion_1): Remove C++17 code.
2389         (conv_binds_ref_to_prvalue): New.
2390         (build_over_call): Handle C++17 copy elision.
2391         (build_special_member_call): Only do C++17 copy elision here if the
2392         argument is already the right type.
2394 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
2396         PR c++/71965
2397         * init.c (build_vec_init): Silence error, former sorry,
2398         without tf_error.
2400         PR c++/84610
2401         PR c++/84642
2402         * parser.c (abort_fully_implicit_template_p): New.
2403         (cp_parser_skip_to_end_of_statement): Use it.
2404         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2405         (finish_fully_implicit_template_p): Clear
2406         implicit_template_parms and implicit_template_scope.
2408 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
2410         PR c++/84972
2411         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2412         error_mark_node when check_array_designated_initializer fails.
2414 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
2416         PR c++/84961
2417         * cp-tree.h (genericize_compound_lvalue): Declare.
2418         * typeck.c (genericize_compound_lvalue): New function.
2419         (unary_complex_lvalue, cp_build_modify_expr): Use it.
2420         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2421         and PREDECREMENT_EXPR in output and "m" constrained input operands with
2422         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
2423         COMPOUND_EXPR operand.
2425 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2427         PR c++/85008
2428         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2429         * decl2.c (vague_linkage_p): Likewise.
2431 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
2433         PR c++/84994
2434         * constexpr.c (constexpr_fn_retval): Make non-"static".
2435         * cp-tree.h (constexpr_fn_retval): New decl.
2436         * search.c (direct_accessor_p): Update leading comment.
2437         (reference_accessor_p): Likewise.
2438         (field_accessor_p): Replace check that function body is a
2439         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
2440         indentation of "field_type" decl.
2442 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2444         PR c++/84804
2445         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2446         complete classes.
2448 2018-03-21  Martin Sebor  <msebor@redhat.com>
2450         PR c++/84850
2451         * call.c (first_non_public_field): New template and function.
2452         (first_non_trivial_field): New function.
2453         (maybe_warn_class_memaccess): Call them.
2455 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
2457         PR c++/84892
2458         * search.c (field_accessor_p): Use class_of_this_parm rather than
2459         type_of_this_parm, to check that "this" is a "const T *", rather
2460         than a "T *const".
2462 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2464         * class.c (finish_struct_anon_r): Refactor, deprecate anything
2465         other than public non-static data members.
2466         * parser.c (cp_parser_init_declarator): Deprecate attributes after
2467         parenthesized initializer.
2469         PR c++/84836
2470         * name-lookup.c (update_binding): Correct logic for local binding
2471         update.
2473 2018-03-21  Marek Polacek  <polacek@redhat.com>
2475         PR c++/71638, ICE with NSDMI and reference.
2476         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2477         even when we replace an element.
2479 2018-03-20  Marek Polacek  <polacek@redhat.com>
2481         PR c++/84978, ICE with NRVO.
2482         * constexpr.c (cxx_eval_constant_expression): Handle the case when
2483         a RESULT_DECL isn't in the hash map.
2485 2018-03-20  Jason Merrill  <jason@redhat.com>
2487         PR c++/84978, ICE with NRVO.
2488         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2489         (cp_get_callee_fndecl_nofold): New.
2490         * cp-gimplify.c (cp_genericize_r): Use it instead.
2491         * call.c (check_self_delegation): Likewise.
2493 2018-03-20  Nathan Sidwell  <nathan@acm.org>
2495         PR c++/84962
2496         * name-lookup.c (pushdecl_class_level): Push anon-struct's
2497         member_vec, if there is one.
2499         PR c++/84970
2500         * cp-tree.h (lookup_list_keep): Declare.
2501         * tree.c (lookup_list_keep): New, broken out of ...
2502         (build_min): ... here.  Call it.
2503         * decl.c (cp_finish_decl): Call lookup_list_keep.
2505 2018-03-19  Jason Merrill  <jason@redhat.com>
2507         PR c++/84937 - ICE with class deduction and auto.
2508         * pt.c (rewrite_template_parm): Fix auto handling.
2510 2018-03-19  Marek Polacek  <polacek@redhat.com>
2512         PR c++/84925
2513         * pt.c (enclosing_instantiation_of): Check if fn is null.
2515         PR c++/84927
2516         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2517         as we evaluate the elements.
2518         (cxx_eval_constant_expression): Verify constructor's flags
2519         unconditionally.
2521 2018-03-19  Jason Merrill  <jason@redhat.com>
2523         PR c++/71834 - template-id with too few arguments.
2524         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2526 2018-03-19  Nathan Sidwell  <nathan@acm.org>
2528         PR c++/84835
2529         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2530         * pt.c (build_template_decl): Propagate language linkage.
2532         PR c++/84812
2533         * name-lookup.c (set_local_extern_decl_linkage): Defend against
2534         ambiguous lookups.
2536 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2538         PR c/84910
2539         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2540         diagnostics.
2541         * method.c (synthesize_method): Likewise.
2542         * pt.c (convert_nontype_argument): Likewise.
2544 2018-03-16  Jason Merrill  <jason@redhat.com>
2546         PR c++/84720 - ICE with rvalue ref non-type argument.
2547         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2548         (convert_nontype_argument): Revert earlier change.
2550         PR c++/80227 - SFINAE and negative array size.
2551         * decl.c (compute_array_index_type): Use
2552         build_converted_constant_expr and valid_constant_size_p.
2554         PR c++/84906 - silent wrong code with ambiguous conversion.
2555         * call.c (build_user_type_conversion_1): Set need_temporary_p on
2556         ambiguous conversion.
2557         (convert_like_real): Check it.
2559         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2560         * call.c (build_special_member_call): Don't convert an init-list
2561         argument directly to the class type.
2563 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2565         PR c++/79937
2566         PR c++/82410
2567         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2568         (find_placeholder): Declare.
2569         * tree.c (struct replace_placeholders_t): Add exp member.
2570         (replace_placeholders_r): Don't walk into ctors with
2571         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2572         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2573         (replace_placeholders): Initialize data.exp.
2574         (find_placeholders_r, find_placeholders): New functions.
2575         * typeck2.c (process_init_constructor_record,
2576         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2577         if adding NSDMI on which find_placeholder returns true.
2578         * call.c (build_over_call): Don't call replace_placeholders here.
2579         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2580         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2581         TARGET_EXPR_INITIAL.
2582         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2583         ctor.
2585 2018-03-16  Jason Merrill  <jason@redhat.com>
2587         PR c++/83911 - ICE with multiversioned constructor.
2588         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2589         dispatchere here.
2590         * call.c (build_over_call): Not here.
2592 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2594         PR c++/84874
2595         * decl.c (reshape_init_class): Don't assert d->cur->index == field
2596         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2598 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
2600         PR c++/84222
2601         * cp-tree.h (cp_warn_deprecated_use): Declare.
2602         * tree.c (cp_warn_deprecated_use): New function.
2603         * typeck2.c (build_functional_cast): Use it.
2604         * decl.c (grokparms): Likewise.
2605         (grokdeclarator): Likewise.  Temporarily push nested class scope
2606         around grokparms call for out of class member definitions.
2608 2018-03-14  Jason Merrill  <jason@redhat.com>
2610         PR c++/84820 - no error for invalid qualified-id.
2611         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2612         cp_error_declarator.
2614         PR c++/84801 - ICE with unexpanded pack in lambda.
2615         * pt.c (check_for_bare_parameter_packs): Don't return early for a
2616         lambda in non-template context.
2618         PR c++/81236 - auto variable and auto function
2619         * pt.c (tsubst_baselink): Update the type of the BASELINK after
2620         mark_used.
2622 2018-03-14  Jason Merrill  <jason@redhat.com>
2624         PR c++/83916 - ICE with template template parameters.
2625         * pt.c (convert_template_argument): Don't substitute into type of
2626         non-type parameter if we don't have enough arg levels.
2627         (unify): Likewise.
2629 2018-03-14  Marek Polacek  <polacek@redhat.com>
2631         PR c++/84596
2632         * semantics.c (finish_static_assert): Check
2633         instantiation_dependent_expression_p instead of
2634         {type,value}_dependent_expression_p.
2636 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
2637             Jason Merrill  <jason@redhat.com>
2639         PR c++/82336 - link error with list-init default argument.
2640         * decl.c (check_default_argument): Unshare an initializer list.
2642 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
2644         PR c++/84843
2645         * decl.c (duplicate_decls): For redefinition of built-in, use error
2646         and return error_mark_node.  For redeclaration, return error_mark_node
2647         rather than olddecl if !flag_permissive.
2649 2018-03-13  Jason Merrill  <jason@redhat.com>
2651         PR c++/82565 - ICE with concepts and generic lambda.
2652         * pt.c (instantiate_decl): Clear fn_context for lambdas.
2654 2018-03-13  Jason Merrill  <jason@redhat.com>
2656         PR c++/84720 - ICE with rvalue ref non-type argument.
2657         * pt.c (convert_nontype_argument): Handle rvalue references.
2659         PR c++/84839 - ICE with decltype of parameter pack.
2660         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2661         instantiating dummy parms.
2663         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2664         parameter even without -Wpedantic.
2666         PR c++/84798 - ICE with auto in abstract function declarator.
2667         * parser.c (cp_parser_parameter_declaration_clause): Check
2668         parser->default_arg_ok_p.
2670 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
2672         PR c++/84808
2673         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2674         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
2675         sizetype.  Formatting fixes.
2677 2018-03-12  Jason Merrill  <jason@redhat.com>
2679         PR c++/84355 - ICE with deduction for member class template.
2680         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2681         CLASS_PLACEHOLDER_TEMPLATE.
2683         PR c++/84802 - ICE capturing uninstantiated class.
2684         * lambda.c (build_capture_proxy): Call complete_type.
2686 2018-03-09  Jason Merrill  <jason@redhat.com>
2688         PR c++/84770 - ICE with typedef and parameter pack.
2689         * pt.c (verify_unstripped_args_1): Split out from
2690         verify_unstripped_args.
2692         PR c++/84785 - ICE with alias template and default targs.
2693         * pt.c (type_unification_real): Set processing_template_decl if
2694         saw_undeduced == 1.
2696         PR c++/84752 - ICE with capture of constexpr array.
2697         * call.c (standard_conversion): Set rvaluedness_matches_p on the
2698         identity conversion under ck_lvalue.
2700 2018-03-09  Jason Merrill  <jason@redhat.com>
2701             Paolo Carlini  <paolo.carlini@oracle.com>
2703         PR c++/71169
2704         PR c++/71832
2705         * pt.c (any_erroneous_template_args_p): New.
2706         * cp-tree.h (any_erroneous_template_args_p): Declare it.
2707         * parser.c (cp_parser_class_specifier_1): Use it.
2709 2018-03-09  Jason Merrill  <jason@redhat.com>
2711         PR c++/84726 - unnecessary capture of constant vars.
2712         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2713         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2714         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2715         * lambda.c (is_constant_capture_proxy)
2716         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2717         (prune_lambda_captures): New.
2718         (finish_lambda_function): Call prune_lambda_captures.
2720 2018-03-09  Jason Merrill  <jason@redhat.com>
2721             Jakub Jelinek  <jakub@redhat.com>
2723         PR c++/84076
2724         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2725         build ADDR_EXPR with REFERENCE_TYPE.
2726         (build_over_call): For purposes of check_function_arguments, if
2727         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2728         its operand rather than the argument itself.
2730 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
2732         PR c++/84724
2733         * decl.c (duplicate_decls): Don't override __* prefixed builtins
2734         except for __[^b]*_chk, instead issue permerror and for -fpermissive
2735         also a note and return olddecl.
2737 2018-03-09  Nathan Sidwell  <nathan@acm.org>
2739         PR c++/84733
2740         * name-lookup.c (do_pushdecl_with_scope): Only clear
2741         current_function_decl when pushing a non-class (i.e. namespace)
2742         scope.
2744 2018-03-08  Jason Merrill  <jason@redhat.com>
2745             Jakub Jelinek  <jakub@redhat.com>
2747         PR c++/80598
2748         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2749         not calling mark_used for the benefit of -Wunused-function warning.
2751 2018-03-06  Jason Merrill  <jason@redhat.com>
2753         * lambda.c (is_capture_proxy_with_ref): Remove.
2754         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2756 2018-03-06  Marek Polacek  <polacek@redhat.com>
2758         PR c++/84684
2759         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2760         arguments.
2762 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
2764         PR c++/84231
2765         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2766         only while processing template decls.
2767         * typeck.c (build_x_conditional_expr): Move wrapping of
2768         reference type around type...
2769         * call.c (build_conditional_expr_1): ... here.  Rename
2770         is_lvalue to is_glvalue.
2771         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2772         INDIRECT_REF of COND_EXPR too.
2774         PR c++/84593
2775         * init.c (build_zero_init_1): Zero-initialize references.
2777         PR c++/84492
2778         * semantics.c (finish_stmt_expr_expr): Reject unresolved
2779         overloads used as stmt expr values.
2781 2018-03-05  Jason Merrill  <jason@redhat.com>
2783         PR c++/84708 - ICE with lambda in local class NSDMI.
2784         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2785         context.
2787 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
2789         PR c++/84684
2790         * constexpr.c (constexpr_call_hasher::equal): Return false if
2791         lhs->hash != rhs->hash.  Change return 1 to return true and
2792         return 0 to return false.
2794 2018-03-05  Nathan Sidwell  <nathan@acm.org>
2796         PR c++/84702
2797         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2799 2018-03-05  Marek Polacek  <polacek@redhat.com>
2801         PR c++/84707
2802         * decl.c (duplicate_decls): Check DECL_NAME before accessing
2803         UDLIT_OPER_P.
2805 2018-03-05  Nathan Sidwell  <nathan@acm.org>
2807         PR c++/84694
2808         * friend.c (do_friend): Restore check for identifier_p inside
2809         TEMPLATE_ID_EXPR.
2811 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
2813         PR c++/84618
2814         * parser.c (cp_parser_lambda_introducer): Reject any capture not
2815         involving a VAR_DECL or a PARM_DECL.
2817 2018-03-05  Pádraig Brady  <P@draigBrady.com>
2818             Jason  Merrill  <jason@redhat.com>
2819             Nathan Sidwell  <nathan@acm.org>
2821         PR c++/84497
2822         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2824 2018-03-03  Jason Merrill  <jason@redhat.com>
2826         PR c++/84686 - missing volatile loads.
2827         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2829 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
2831         PR c++/71464
2832         * optimize.c (maybe_thunk_body): Bail out immediately if either
2833         fns[0] or fns[1] is null.
2835 2018-03-02  Marek Polacek  <polacek@redhat.com>
2837         PR c++/84578
2838         * constexpr.c (get_array_or_vector_nelts): New.
2839         (cxx_eval_array_reference): Use it.
2840         (cxx_eval_vec_init_1): Likewise.
2841         (cxx_eval_store_expression): Likewise.
2843 2018-03-02  Jason Merrill  <jason@redhat.com>
2845         * semantics.c (force_paren_expr): Remove redundant test.
2847 2018-03-02  Marek Polacek  <polacek@redhat.com>
2849         PR c++/84663
2850         * decl.c (cp_complete_array_type): Check error_mark_node.
2852         PR c++/84664
2853         * typeck.c (cp_perform_integral_promotions): Check the result of
2854         mark_rvalue_use.
2856 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
2858         PR c++/84662
2859         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2860         RETURN instead of return.
2861         <case POINTER_PLUS_EXPR>: Likewise.
2862         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2863         it instead of wrapping it into CONVERT_EXPR.
2865 2018-03-02  Jason Merrill  <jason@redhat.com>
2867         Fix MIPS16 ICE.
2868         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2870 2018-03-02  Marek Polacek  <polacek@redhat.com>
2872         PR c++/84590
2873         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2874         wrapped in VIEW_CONVERT_EXPR.
2876 2018-03-01  Martin Sebor  <msebor@redhat.com>
2878         PR c++/84294
2879         * decl.c (check_redeclaration_no_default_args): Merge attributes
2880         specified on redeclarations of the same function template.
2881         Remove dead code.
2883 2018-03-01  Marek Polacek  <polacek@redhat.com>
2884             Jason Merrill  <jason@redhat.com>
2886         PR c++/84582
2887         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2888         a template.
2889         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2890         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2891         of instantiate_non_dependent_expr.
2892         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2894 2018-03-01  Nathan Sidwell  <nathan@acm.org>
2896         PR c++/84434
2897         * name-lookup.c (member_vec_dedup): Remove manually peeled
2898         iteration.  Ignore dependent ctor inheritance.
2900 2018-03-01  Jason Merrill  <jason@redhat.com>
2902         PR c++/71569 - decltype of template.
2903         * parser.c (cp_parser_decltype_expr): Handle missing template args.
2905 2018-03-01  Marek Polacek  <polacek@redhat.com>
2907         PR c++/84596
2908         * constexpr.c (require_rvalue_constant_expression): New function.
2909         * cp-tree.h: Declare it.
2910         * semantics.c (finish_static_assert): Use it instead of
2911         require_potential_rvalue_constant_expression.
2913 2018-03-01  Jason Merrill  <jason@redhat.com>
2914             Alexandre Oliva <aoliva@redhat.com>
2916         PR c++/71569 - ICE with redundant args on member variable template.
2917         * decl.c (start_decl): Handle partial specialization of member
2918         variable template.
2919         * pt.c (determine_specialization): Allow partial specialization
2920         of member variable template without specializing enclosing class.
2921         (process_partial_specialization): Improve error message.
2923 2018-02-28  Jason Merrill  <jason@redhat.com>
2925         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2926         * pt.c (determine_specialization): Check ref-qualifier.
2928 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2930         PR c++/84609
2931         * parser.c (cp_parser_attributes_opt): Formatting fix.
2932         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2933         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2934         New functions.
2935         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2936         instead of tentative parse to peek over optional attribute tokens
2937         to check for CPP_COLON after them.
2939         PR c++/83871
2940         PR c++/83503
2941         * pt.c (INCLUDE_STRING): Remove define.
2942         (warn_spec_missing_attributes): Use pretty_printer instead of
2943         std::string.  Fix up inform call so that the list of attributes
2944         is in %s argument.
2946 2018-02-28  Martin Sebor  <msebor@redhat.com>
2948         PR testsuite/84617
2949         * decl.c (duplicate_decls): Fully merge attributes const, pure,
2950         and malloc.
2952 2018-02-28  Nathan Sidwell  <nathan@acm.org>
2954         PR c++/84602
2955         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2956         * name-lookup.c (fields_linear_search): Look in an anon-aggr
2957         regardless of want_type.
2958         (search_anon_aggr): Just use get_class_binding_direct.
2960 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
2962         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2963         inform_n.
2965 2018-02-27  Martin Sebor  <msebor@redhat.com>
2967         * pt.c: Avoid including <string> directly.
2969 2018-02-27  Martin Sebor  <msebor@redhat.com>
2971         PR c++/83871
2972         PR c++/83503
2973         * cp-tree.h (warn_spec_missing_attributes): New function.
2974         ((check_explicit_specialization): Add an argument.  Call the above
2975         function.
2976         * decl.c (duplicate_decls): Avoid applying primary function template's
2977         attributes to its explicit specializations.
2978         cp/pt.c (warn_spec_missing_attributes): Define.
2980 2018-02-27  HĂĄkon Sandsmark  <hsandsmark@gmail.com>
2982         PR c++/71546 - lambda init-capture with qualified-id.
2983         * parser.c (cp_parser_lambda_introducer): Clear scope after
2984         each lambda capture.
2986 2018-02-27  Nathan Sidwell  <nathan@acm.org>
2988         PR c++/84426
2989         * name-lookup.h (get_member_slot): Rename ...
2990         (find_member_slot): ... here.
2991         (add_member_slot): New.
2992         * name-lookup.c (member_vec_linear_search): No need to check for
2993         NULL slot.
2994         (get_member_slot): Rename ...
2995         (find_member_slot): ... here.  Don't add slot for incomplete class.
2996         (add_member_slot): New.
2997         * class.c (add_method): Adjust get_member_slot rename.  Bail out
2998         if push_class_level_binding fails.  Create slot and grok
2999         properties once we're committed to insertion.
3001 2018-02-27  Jason Merrill  <jason@redhat.com>
3003         PR c++/84489 - dependent default template argument
3004         * pt.c (type_unification_real): Handle early substitution failure.
3006 2018-02-26  Jason Merrill  <jason@redhat.com>
3008         PR c++/84560 - ICE capturing multi-dimensional VLA.
3009         * tree.c (array_of_runtime_bound_p): False if the element is
3010         variably-modified.
3012         PR c++/84441 - ICE with base initialized from ?:
3013         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3015         PR c++/84520 - ICE with generic lambda in NSDMI.
3016         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3017         'this' in a generic lambda instantiation.
3019         PR c++/84559 - ICE with constexpr VLA.
3020         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3021         for constexpr variable with VLA type.
3023 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
3025         PR c++/84558
3026         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3027         a valid constant initializer.  Formatting fixes.
3029 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3031         PR c++/84540
3032         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3033         returning NULL_TREE.
3034         (apply_late_template_attributes): Likewise.
3036 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
3038         PR c++/84557
3039         * parser.c (cp_parser_omp_var_list_no_open): Only call
3040         cp_parser_lookup_name_simple on names satisfying identifier_p.
3041         (cp_parser_oacc_routine): Likewise.
3043 2018-02-26  Jason Merrill  <jason@redhat.com>
3045         PR c++/84551 - ICE with concepts and -g.
3046         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3048 2018-02-26  Marek Polacek  <polacek@redhat.com>
3050         PR c++/84325
3051         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3052         non-types.
3054 2018-02-26  Jason Merrill  <jason@redhat.com>
3056         PR c++/84447 - ICE with deleted inherited ctor with default arg.
3057         * call.c (build_over_call): Handle deleted functions in one place.
3059 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3061         PR c++/84533
3062         * decl.c (redeclaration_error_message): Don't try to use
3063         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3065 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3067         * lambda.c (build_capture_proxy): Define static.
3068         * cp-tree.h (build_capture_proxy): Remove.
3070 2018-02-26  Marek Polacek  <polacek@redhat.com>
3072         PR c++/84537
3073         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3074         if name is error node.
3076 2018-02-25  Jason Merrill  <jason@redhat.com>
3078         PR c++/84015 - ICE with class deduction and auto template parm.
3079         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3081 2018-02-24  Marek Polacek  <polacek@redhat.com>
3083         PR c++/83692
3084         * constexpr.c (maybe_constant_init_1): New function.
3085         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3086         (cxx_constant_init): New function.
3087         * cp-tree.h (cxx_constant_init): Declare.
3088         * typeck2.c (store_init_value): Call cxx_constant_init instead of
3089         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
3091 2018-02-22  Jason Merrill  <jason@redhat.com>
3093         PR c++/70468 - ICE with constructor delegation via typedef.
3094         * pt.c (tsubst_initializer_list): Check for other mem-initializers
3095         with constructor delegation.
3097 2018-02-22  Jason Merrill  <jason@redhat.com>
3099         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3100         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3101         VECTOR_TYPE.
3103 2018-02-22  Marek Polacek  <polacek@redhat.com>
3105         PR c++/84493
3106         * parser.c (cp_parser_braced_list): Use require_open instead of
3107         consume_open.
3109 2018-02-21  Jason Merrill  <jason@redhat.com>
3111         PR c++/84454 - ICE with pack expansion in signature.
3112         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3114 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
3116         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3117         IF_STMT.
3119 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
3121         PR c++/84446
3122         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3123         on error_mark_node.
3125 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
3127         PR c++/84445
3128         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3129         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3131         PR c++/84449
3132         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3133         returns error_mark_node, return it immediately.
3134         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3135         error_mark_node, return error_mark_node.
3137         PR c++/84455
3138         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3139         function_depth to avoid GC during finish_lambda_function.
3141 2018-02-19  Jason Merrill  <jason@redhat.com>
3143         PR c++/84429 - ICE capturing VLA.
3144         * lambda.c (build_capture_proxy): Handle reference refs.
3146 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
3148         PR c++/84448
3149         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3150         either operand is error_mark_node, set current.lhs to that instead of
3151         creating a binary op with error_mark_node operands.
3153         PR c++/84430
3154         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3156 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
3158         PR c++/84348
3159         * decl.c (grokdeclarator): Early return error_mark_node upon
3160         ill-formed friend declaration.
3162 2018-02-16  Marek Polacek  <polacek@redhat.com>
3163             Jakub Jelinek  <jakub@redhat.com>
3165         PR c++/84192
3166         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3167         set *jump_target to anything if jump_target is NULL.
3169 2018-02-16  Jason Merrill  <jason@redhat.com>
3171         PR c++/84151 - unnecessary volatile load with static member.
3172         * call.c (build_new_method_call_1): Avoid loading from a volatile
3173         lvalue used as the object argument for a static member function.
3175         PR c++/81853 - using-directive and constexpr.
3176         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3178         PR c++/84420 - ICE with structured binding in lambda.
3179         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3181         PR c++/83835 - C++17 error with constructor ctors.
3182         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3184         PR c++/82664 - ICE with reference to function template parm.
3185         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3186         NOP_EXPRs.
3188         PR c++/82764 - C++17 ICE with empty base
3189         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3191 2018-02-16  Jason Merrill  <jason@redhat.com>
3193         PR c++/84421 - type-dependent if constexpr
3194         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3196 2018-02-16  Nathan Sidwell  <nathan@acm.org>
3198         Deprecate -ffriend-injection.
3199         * decl.c (cxx_init_decl_processing): Emit warning on option.
3200         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3201         friend.
3203 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
3205         PR c++/82468
3206         * decl.c (check_special_function_return_type): Reject template
3207         template parameter in deduction guide.
3209 2018-02-16  Nathan Sidwell  <nathan@acm.org>
3211         PR c++/84375
3212         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3214 2018-02-15  Jason Merrill  <jason@redhat.com>
3216         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3217         * call.c (convert_like_real): Don't use the copy-list-initialization
3218         shortcut for ck_base.
3220         PR c++/84045 - ICE with typedef and noexcept.
3221         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3223         PR c++/84376 - ICE with omitted template arguments.
3224         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3226         PR c++/84368 - wrong error with local variable in variadic lambda.
3227         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3228         local_specializations.
3230 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
3232         PR c++/84330
3233         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3234         as first argument.
3236 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
3238         PR c++/84350
3239         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3240         init, early return.
3242 2018-02-14  Nathan Sidwell  <nathan@acm.org>
3244         * decl2.c (mark_vtable_entries): Set input_location to decl's.
3245         (c_parse_final_cleanups): Restore input_location after emitting
3246         vtables.
3248 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
3250         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3251         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3252         auto_deduction_context, tree, int): Add defaults.
3253         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3254         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3255         tsubst_flags_t argument.
3256         * init.c (build_new): Likewise.
3258 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
3260         PR c++/84364
3261         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3262         about return other than *this in assignment operators if
3263         retval is type dependent expression.
3265 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
3267         PR c++/84333
3268         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3269         save_expr for the G++ extension.
3271 2018-02-13  Jason Merrill  <jason@redhat.com>
3273         PR c++/84080 - ICE with return type deduction and specialization.
3274         * pt.c (determine_specialization): Check uses_template_parms.
3276         Fix more variadic capture issues.
3277         * pt.c (find_parameter_packs_r): Also look at explicit captures.
3278         (check_for_bare_parameter_packs): Check current_class_type for
3279         lambda context.
3280         (extract_locals_r): Handle seeing a full instantiation of a pack.
3281         (tsubst_pack_expansion): Likewise.  Force lambda capture.
3282         * parser.c (cp_parser_lambda_introducer): Don't
3283         check_for_bare_parameter_packs.
3285         PR c++/84338 - wrong variadic sizeof.
3286         * pt.c (argument_pack_select_arg): Like the macro, but look through
3287         a pack expansion.
3288         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3289         (extract_fnparm_pack): Do make_pack_expansion.
3290         (extract_locals_r): Do strip a pack expansion.
3291         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3293 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
3295         PR c++/84341
3296         * parser.c (cp_parser_binary_expression): Use build_min instead of
3297         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3299 2018-02-12  Nathan Sidwell  <nathan@acm.org>
3301         PR c++/84263
3302         * parser.c (cp_parser_decltype): Push and pop
3303         deferring_access_checks.  Reorganize to avoid goto.
3305 2018-02-12  Richard Biener  <rguenther@suse.de>
3307         PR c++/84281
3308         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3309         uniform constructors and delay allocating them fully.
3311 2018-02-09  Jason Merrill  <jason@redhat.com>
3313         PR c++/84036 - ICE with variadic capture.
3314         Handle variadic capture proxies more like non-variadic.
3315         * lambda.c (build_capture_proxy): Remove workaround.
3316         * pt.c (find_parameter_packs_r): The proxy is a pack.
3317         (instantiate_class_template_1): Remove dead lambda code.
3318         (extract_fnparm_pack): Don't make_pack_expansion.
3319         (extract_locals_r): Don't strip a pack expansion.
3320         (tsubst_pack_expansion): Handle proxy packs.  Use
3321         PACK_EXPANSION_EXTRA_ARGS less.
3322         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3323         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3324         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3325         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3326         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3328 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
3330         PR sanitizer/83987
3331         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3333 2018-02-09  Jason Merrill  <jason@redhat.com>
3335         PR c++/81917 - ICE with void_t and partial specialization.
3336         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3337         calling most_specialized_partial_spec.
3339 2018-02-09  Nathan Sidwell  <nathan@acm.org>
3341         PR c/84293
3342         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3343         Pass expr location to strict_aliasing_warning.
3345 2018-02-09  Jason Merrill  <jason@redhat.com>
3347         PR c++/84296 - ICE with qualified-id in template.
3348         PR c++/83714
3349         * pt.c (unknown_base_ref_p): New.
3350         (instantiation_dependent_scope_ref_p): Use it instead of
3351         any_dependent_bases_p.
3353 2018-02-09  Marek Polacek  <polacek@redhat.com>
3354             Jakub Jelinek  <jakub@redhat.com>
3356         PR c++/83659
3357         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3358         fold_indirect_ref_1, including poly_*int64.  Verify first that
3359         tree_fits_poly_int64_p (op01).  Formatting fixes.
3361 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3363         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3364         * lambda.c (build_capture_proxy): Likewise.
3365         * search.c (field_access_p): Likewise.
3366         * semantics.c (omp_clause_decl, omp_privatize_field,
3367         finish_omp_clauses): Likewise.
3369 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3371         PR c++/83806
3372         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3373         case of nullptr too.
3375 2018-02-08  Nathan Sidwell  <nathan@acm.org>
3377         * class.c (finish_struct): Fix std:initializer_list diagnostic
3378         formatting.
3380 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3382         PR c++/83204
3383         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3385 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
3387         PR c++/84082
3388         * parser.c (cp_parser_dot_deref_incomplete): New function.
3389         (cp_parser_postfix_dot_deref_expression): Use it.
3391 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
3393         PR c++/81610
3394         PR c++/80567
3395         * name-lookup.c (suggest_rid_p): New function.
3396         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3397         suggest_rid_p.
3399 2018-02-07  Jason Merrill  <jason@redhat.com>
3401         PR c++/84182 - ICE with captured lambda
3402         PR c++/84181
3403         * pt.c (extract_locals_r, extract_local_specs): New.
3404         (tsubst_pack_expansion): Use them.
3406 2018-02-07  Martin Liska  <mliska@suse.cz>
3408         PR c++/84059.
3409         * class.c (add_method): Append argument value.
3410         * cp-tree.h (maybe_version_functions): Add new argument.
3411         * decl.c (decls_match): Call it if a declaration does not
3412         have DECL_FUNCTION_VERSIONED.
3413         (maybe_version_functions): record argument is added.
3415 2018-02-05  Marek Polacek  <polacek@redhat.com>
3417         * class.c: Remove unused global variables.
3418         (build_primary_vtable): Don't gather statistics.
3419         (print_class_statistics): Remove.
3420         * cp-tree.h (print_class_statistics): Remove.
3421         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3423 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
3425         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3426         * constexpr.c (cx_check_missing_mem_inits): Likewise.
3427         * decl.c (next_initializable_field, find_decomp_class_base,
3428         cp_finish_decomp): Likewise.
3429         * typeck2.c (process_init_constructor_record): Likewise.
3431 2018-02-02  Jason Merrill  <jason@redhat.com>
3433         PR c++/84181 - ICE with lambda parm in template argument.
3434         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3436 2018-02-01  Jason Merrill  <jason@redhat.com>
3438         PR c++/84160 - ICE with nested variadic capture.
3439         * lambda.c (is_capture_proxy_with_ref): New.
3440         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3441         COMPONENT_REF.
3442         * expr.c (mark_use): Use is_capture_proxy_with_ref.
3443         * constexpr.c (potential_constant_expression_1): Likewise.
3444         * semantics.c (process_outer_var_ref): Likewise.
3446 2018-02-01  Marek Polacek  <polacek@redhat.com>
3448         PR c++/84125
3449         * typeck.c (build_address): Relax the assert when
3450         processing_template_decl.
3452 2018-02-01  Jason Merrill  <jason@redhat.com>
3454         PR c++/84126 - ICE with variadic generic lambda
3455         PR c++/84036
3456         PR c++/82249
3457         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3458         PACK_EXPANSION_EXTRA_ARGS.
3460 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
3462         PR c++/83796
3463         * call.c (convert_like_real): If w're initializing from {} explicitly
3464         call abstract_virtuals_error_sfinae.
3466 2018-01-31  Jason Merrill  <jason@redhat.com>
3467             Jakub Jelinek  <jakub@redhat.com>
3469         PR c++/83993
3470         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3471         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3472         on ADDR_EXPR.
3474 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
3476         PR c++/83993
3477         * constexpr.c (diag_array_subscript): Emit different diagnostics
3478         if TYPE_DOMAIN (arraytype) is NULL.
3479         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3480         with NULL TYPE_DOMAIN use size_zero_node as nelts.
3482 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
3484         PR c++/84092
3485         * semantics.c (finish_qualified_id_expr): When handling an
3486         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3488 2018-01-31  Marek Polacek  <polacek@redhat.com>
3490         PR c++/84138
3491         * cp-gimplify.c (cp_fold): Check if X is an error node before
3492         calling useless_type_conversion_p.
3494 2018-01-30  Jason Merrill  <jason@redhat.com>
3496         PR c++/84091 - ICE with local class in lambda in template.
3497         * decl2.c (determine_visibility): Look for outer containing template
3498         instantiation.
3500         PR c++/84098 - ICE with lambda in template NSDMI.
3501         * pt.c (instantiate_class_template_1): Ignore more lambdas.
3503 2018-01-29  Jason Merrill  <jason@redhat.com>
3505         PR c++/68810 - wrong location for reinterpret_cast error.
3506         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3507         !dofold.
3509 2018-01-29  Marek Polacek  <polacek@redhat.com>
3511         PR c++/83996
3512         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3513         => fooarray[1] in offset_int.
3515 2018-01-29  Jason Merrill  <jason@redhat.com>
3517         PR c++/83942 - wrong unused warning with static_cast.
3518         * cvt.c (ocp_convert): Call mark_rvalue_use.
3520 2018-01-26  Jason Merrill  <jason@redhat.com>
3522         PR c++/83956 - wrong dtor error with anonymous union
3523         * method.c (walk_field_subobs): Variant members only affect
3524         deletedness.
3525         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3527         PR c++/84036 - ICE with variadic capture.
3528         PR c++/82249
3529         * pt.c (tsubst_pack_expansion): When optimizing a simple
3530         substitution, pull a single pack expansion out of its pack.
3532         PR c++/82514 - ICE with local class in generic lambda.
3533         * pt.c (regenerated_lambda_fn_p): Remove.
3534         (enclosing_instantiation_of): Don't use it.
3535         (tsubst_function_decl): Call enclosing_instantiation_of.
3537         * pt.c (lookup_template_class_1): Add sanity check.
3538         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3540 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
3542         PR c++/84031
3543         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
3544         recursive calls that return ret.
3545         (cp_finish_decomp): Ignore unnamed bitfields.
3547 2018-01-23  Jason Merrill  <jason@redhat.com>
3549         PR c++/82249 - wrong mismatched pack length error.
3550         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3551         unsubstituted function parameter pack.
3553 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
3555         PR c++/83921
3556         * decl.c (check_for_uninitialized_const_var): Not static; add
3557         bool and tsubst_flags_t parameters; adjust to be used both in
3558         constexpr context and not.
3559         * constexpr.c (potential_constant_expression_1): Use the above.
3560         * cp-tree.h (check_for_uninitialized_const_var): Declare.
3562 2018-01-23  Jason Merrill  <jason@redhat.com>
3564         PR c++/83947 - ICE with auto declarations.
3565         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3566         * decl.c (undeduced_auto_decl): Limit to vars and fns.
3568 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
3570         PR c++/83974
3571         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3572         for pointer to member function types.
3574 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
3576         PR sanitizer/83987
3577         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3578         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3580 2018-01-23  Nathan Sidwell  <nathan@acm.org>
3582         PR c++/83988
3583         * pt.c (tsubst_baselink): Remove optype assert.
3584         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3586 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
3588         PR c++/83958
3589         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3590         refers to incomplete type.
3592 2018-01-23  Nathan Sidwell  <nathan@acm.org>
3594         Deprecate ARM-era for scope handling
3595         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3596         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3597         cleared.
3598         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3599         cleanup handling.
3600         * semantics.c (begin_for_scope): Flag_new_for_scope is
3601         boolean-like.
3602         (finish_for_stmt, begin_range_for_stmt): Likewise.
3604 2018-01-22  Jason Merrill  <jason@redhat.com>
3606         PR c++/83720
3607         * decl2.c (determine_visibility): Fix template_decl handling
3608         instead of blocking it.
3610         PR c++/83720 - ICE with lambda and LTO.
3611         * decl2.c (determine_visibility): Clear template_decl for
3612         function-scope decls.  Propagate anonymous linkage from containing
3613         function.
3615 2018-01-22  Marek Polacek  <polacek@redhat.com>
3617         PR c++/81933
3618         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3619         split out anything.
3621 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
3623         PR c++/83895
3624         * decl.c (grokdeclarator): Don't diagnose extra parens
3625         on typedefs.
3627 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
3629         PR c++/81167
3630         * call.c (joust): Use TREE_TYPE (source) if source is
3631         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3633         PR c++/83919
3634         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3635         for direct enum init.
3636         * decl.c (reshape_init): Likewise.
3638 2018-01-19  Marek Polacek  <polacek@redhat.com>
3640         * constexpr.c (fold_simple): Simplify.
3642 2018-01-18  Jason Merrill  <jason@redhat.com>
3644         PR c++/83714
3645         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3646         * pt.c (instantiation_dependent_scope_ref_p): True if
3647         any_dependent_bases_p.
3649 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
3651         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3652         vs DECL_NONTRIVIALLY_INITIALIZED_P).
3654 2018-01-18  Jason Merrill  <jason@redhat.com>
3656         PR c++/82461 - constexpr list-initialized member
3657         * constexpr.c (potential_constant_expression_1): Check
3658         TARGET_EXPR_DIRECT_INIT_P.
3660 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
3662         PR c++/81013
3663         * decl.c (xref_basetypes): Early return upon error about derived
3664         union.
3666 2018-01-18  Nathan Sidwell  <nathan@acm.org>
3668         PR c++/83160
3669         * cp-tree.h (mark_use): Declare.
3670         * expr.c (mark_use): Make extern.
3671         * call.c (direct_reference_binding): Set inner conv's
3672         rvaluedness_matches_p, if it is an identity.
3673         (convert_like_real): Mark lvalue or rvalue use for identity as
3674         rvaledness_matches_p demands.
3676 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
3678         PR c++/83824
3679         * parser.c (attr_chainon): New function.
3680         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3681         cp_parser_namespace_definition, cp_parser_init_declarator,
3682         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3683         cp_parser_gnu_attributes_opt): Use it.
3684         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3685         cp_parser_objc_struct_declaration): Likewise.  Don't reset
3686         prefix_attributes if attributes is error_mark_node.
3688 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
3690         PR c++/78344
3691         * decl.c (grokdeclarator): Do not append the error_mark_node
3692         due to an erroneous optional attribute-specifier-seq.
3694 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
3696         PR c++/83897
3697         * cp-gimplify.c (cp_maybe_instrument_return): Handle
3698         CLEANUP_POINT_EXPR.
3700 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
3702         PR c++/81054
3703         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3704         error_mark_node when we give an error.
3705         * decl.c (cp_finish_decl): Use the latter.
3707 2018-01-17  Nathan Sidwell  <nathan@acm.org>
3709         PR c++/83287
3710         * init.c (build_raw_new_expr): Scan list for lookups to keep.
3712 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
3714         PR c++/83814
3715         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3716         the C++ part.  If processing a template, call
3717         fold_non_dependent_expr rather than fully folding.
3719 2018-01-17  Jason Merrill  <jason@redhat.com>
3721         PR c++/81067 - redundant NULL warning.
3722         * call.c (convert_like_real): Restore null_node handling.
3724 2018-01-17  Jason Merrill  <jason@redhat.com>
3726         PR c++/81843 - ICE with variadic member template.
3727         PR c++/72801
3728         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3729         template args.
3731 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
3733         PR c++/83799
3734         * pt.c (type_dependent_expression_p): Strip any location wrapper
3735         before testing tree codes.
3736         (selftest::test_type_dependent_expression_p): New function.
3737         (selftest::cp_pt_c_tests): Call it.
3739 2018-01-17  Nathan Sidwell  <nathan@acm.org>
3741         PR c++/83739
3742         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3743         this not a final instantiation.
3745 2018-01-16  Jason Merrill  <jason@redhat.com>
3747         PR c++/83714 - ICE checking return in template.
3748         * typeck.c (check_return_expr): Call build_non_dependent_expr.
3750 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
3752         PR c++/83817
3753         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3754         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3755         instead of CALL_FROM_THUNK_P.
3757         PR c++/83825
3758         * name-lookup.c (member_vec_dedup): Return early if len is 0.
3759         (resort_type_member_vec, set_class_bindings,
3760         insert_late_enum_def_bindings): Use vec qsort method instead of
3761         calling qsort directly.
3763 2018-01-15  Martin Sebor  <msebor@redhat.com>
3765         PR c++/83588
3766         * class.c (find_flexarrays): Make a record of multiple flexible array
3767         members.
3769 2018-01-12  Jason Merrill  <jason@redhat.com>
3771         PR c++/83186 - ICE with static_cast of list-initialized temporary.
3772         * typeck.c (build_static_cast): Use build_non_dependent_expr.
3774 2018-01-12  Nathan Sidwell  <nathan@acm.org>
3776         * cp-tree.h (mark_rvalue_use): Add parm name.
3777         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3778         mark_rvalue_use.
3779         * call.c (convert_like_real): Fix formatting.
3781 2018-01-11  Jason Merrill  <jason@redhat.com>
3783         PR c++/82728 - wrong -Wunused-but-set-variable
3784         PR c++/82799
3785         PR c++/83690
3786         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3787         * decl.c (case_conversion): Likewise.
3788         * semantics.c (finish_static_assert): Call
3789         perform_implicit_conversion_flags.
3791 2018-01-11  Nathan Sidwell  <nathan@acm.org>
3793         * method.c (enum mangling_flags): Delete long-dead enum.
3795 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
3797         * parser.c (cp_parser_std_attribute_spec): When
3798         token_pair::require_open / require_close return false simply
3799         return error_mark_node, avoid duplicate cp_parser_error about
3800         expected '(' / ')', respectively.
3802 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
3804         PR c++/43486
3805         * call.c (null_ptr_cst_p): Strip location wrappers when
3806         converting from '0' to a pointer type in C++11 onwards.
3807         (conversion_null_warnings): Replace comparison with null_node with
3808         call to null_node_p.
3809         (build_over_call): Likewise.
3810         * cp-gimplify.c (cp_fold): Remove the early bailout when
3811         processing_template_decl.
3812         * cp-lang.c (selftest::run_cp_tests): Call
3813         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3814         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3815         (selftest::run_cp_tests): Move decl to bottom of file.
3816         (null_node_p): New inline function.
3817         (selftest::cp_pt_c_tests): New decl.
3818         (selftest::cp_tree_c_tests): New decl.
3819         * cvt.c (build_expr_type_conversion): Replace comparison with
3820         null_node with call to null_node_p.
3821         * error.c (args_to_string): Likewise.
3822         * except.c (build_throw): Likewise.
3823         * mangle.c (write_expression): Skip location wrapper nodes.
3824         * parser.c (literal_integer_zerop): New function.
3825         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3826         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3827         param of cp_parser_parenthesized_expression_list.  When calling
3828         warn_for_memset, replace integer_zerop calls with
3829         literal_integer_zerop, eliminating the double logical negation
3830         cast to bool.  Eliminate the special-casing for CONST_DECL in
3831         favor of the fold_for_warn within warn_for_memset.
3832         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3833         param, defaulting to false.  Convert "expr" to a cp_expr, and call
3834         maybe_add_location_wrapper on it when wrap_locations_p is true.
3835         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3836         the result for RID_ALIGNOF and RID_SIZEOF.
3837         (cp_parser_builtin_offsetof): Likewise.
3838         * pt.c: Include "selftest.h".
3839         (tsubst_copy): Handle location wrappers.
3840         (tsubst_copy_and_build): Likewise.
3841         (build_non_dependent_expr): Likewise.
3842         (selftest::test_build_non_dependent_expr): New function.
3843         (selftest::cp_pt_c_tests): New function.
3844         * tree.c: Include "selftest.h".
3845         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3846         (selftest::test_lvalue_kind): New function.
3847         (selftest::cp_tree_c_tests): New function.
3848         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3849         (cp_build_binary_op): Replace comparison with null_node with call
3850         to null_node_p.
3851         (build_address): Use location of operand when building address
3852         expression.
3854 2018-01-10  Marek Polacek  <polacek@redhat.com>
3856         PR c++/82541
3857         * call.c (build_conditional_expr_1): Check complain before warning.
3858         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3859         -Wduplicated-branches.
3861 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
3863         PR c++/81327
3864         * call.c (maybe_warn_class_memaccess): Add forward declaration.
3865         Change last argument from tree * to const vec<tree, va_gc> *, adjust
3866         args uses and check number of operands too.  Don't strip away any
3867         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
3868         Deal with src argument not having pointer type.  Check
3869         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
3870         test.
3871         (build_over_call): Call maybe_warn_class_memaccess here on the
3872         original arguments.
3873         (build_cxx_call): Rather than here on converted arguments.
3875 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
3877         PR c++/81055
3878         * init.c (build_vec_init): Avoid building an INIT_EXPR with
3879         error_mark_node as second argument.
3881 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
3883         PR c++/83734
3884         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3885         in STATEMENT_LIST.  Remove unneeded assert.
3887 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
3888             Alan Hayward  <alan.hayward@arm.com>
3889             David Sherwood  <david.sherwood@arm.com>
3891         * constexpr.c (cxx_eval_array_reference): Handle polynomial
3892         VECTOR_CST_NELTS.
3893         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3894         * call.c (build_conditional_expr_1): Likewise.
3895         * decl.c (cp_finish_decomp): Likewise.
3896         * mangle.c (write_type): Likewise.
3897         * typeck.c (structural_comptypes): Likewise.
3898         (cp_build_binary_op): Likewise.
3899         * typeck2.c (process_init_constructor_array): Likewise.
3901 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3903         PR c++/83555
3904         * typeck.c (build_static_cast_1): For static casts to reference types,
3905         call build_base_path with flag_delete_null_pointer_checks as nonnull
3906         instead of always false.  When -fsanitize=null, call
3907         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3908         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3909         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3911 2018-01-03  Nathan Sidwell  <nathan@acm.org>
3913         PR c++/83667
3914         * method.c (make_alias_for): Copy DECL_CONTEXT.
3916 2018-01-03  Marek Polacek  <polacek@redhat.com>
3918         PR c++/83592
3919         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3921 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3923         PR preprocessor/83602
3924         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3925         for builtin macros.
3927         PR c++/83634
3928         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3929         error_mark_node, return error_mark_node.
3931         Update copyright years.
3933 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
3935         PR c++/83556
3936         * tree.c (replace_placeholders_r): Pass NULL as last argument to
3937         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
3938         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3939         to false and return.
3940         (replace_placeholders): Pass NULL instead of &pset as last argument
3941         to cp_walk_tree.
3943 2018-01-02  Nathan Sidwell  <nathan@acm.org>
3945         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3946         lval var.
3948 Copyright (C) 2018 Free Software Foundation, Inc.
3950 Copying and distribution of this file, with or without modification,
3951 are permitted in any medium without royalty provided the copyright
3952 notice and this notice are preserved.