* parser.c (cp_parser_sizeof_operand): Remove redundant grokdeclarator.
[official-gcc.git] / gcc / cp / ChangeLog
blob27b739c7a15d22be416b931f4739932f529be55a
1 2018-10-25  Jason Merrill  <jason@redhat.com>
3         * parser.c (cp_parser_sizeof_operand): Remove redundant use of
4         grokdeclarator.
6 2018-10-24  Jakub Jelinek  <jakub@redhat.com>
8         PR c++/86288
9         * parser.c (cp_parser_std_attribute): Canonicalize attr_ns, and when
10         :: is not present and attr_ns non-NULL, canonicalize also attr_id.
11         (cp_parser_attribute_spec): Fix comment typo.
13 2018-10-24  Martin Sebor  <msebor@redhat.com>
15         PR c++/84851
16         * call.c (maybe_warn_class_memaccess): Tighten up.
18 2018-10-17  David Malcolm  <dmalcolm@redhat.com>
20         * Make-lang.in (selftest-c++): New.
21         (CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++)
22         (selftest-c++-gdb, selftest-c++-valgrind): Move here from
23         gcc/Makefile.in.
25 2018-10-17  Paolo Carlini  <paolo.carlini@oracle.com>
27         PR c++/84705
28         * tree.c (build_cplus_new): Avoid duplicate diagnostic about
29         incomplete type, early return error_mark_node if the second
30         argument is error_mark_node.
32 2018-10-12  Nathan Sidwell  <nathan@acm.org>
34         * parser.h (struct cp_parser): Drop implicit_extern_c.
35         * parser.c (cp_debug_parser): Drop implicit_extern_c.
36         (cp_parser_new): Likewise.
37         (cp_parser_translation_unit): Handle implicit extern c here.  Call
38         cp_parser_toplevel_declaration.
39         (cp_parser_toplevel_declaration): New, broken out of ...
40         (cp_parser_declaration_seq_opt): ... here.  Call it.  Drop
41         implicit extern C handling.
43 2018-10-11  Will Wray  <wjwray@gmail.com>
45         PR c++/87364
46         * cxx-pretty-print.c (pp_cxx_enumeration_constant): New function.
47         (cxx_pretty_printer::constant): Use it.
49 2018-10-11  David Malcolm  <dmalcolm@redhat.com>
51         PR c++/84993
52         * call.c (enforce_access): Move diagnostics to...
53         (complain_about_access): ...this new function.
54         * cp-tree.h (class access_failure_info): Rename split out field
55         "m_field_decl" into "m_decl" and "m_diag_decl".
56         (access_failure_info::record_access_failure): Add tree param.
57         (access_failure_info::was_inaccessible_p): New accessor.
58         (access_failure_info::get_decl): New accessor.
59         (access_failure_info::get_diag_decl): New accessor.
60         (access_failure_info::get_any_accessor): New member function.
61         (access_failure_info::add_fixit_hint): New static member function.
62         (complain_about_access): New decl.
63         * typeck.c (access_failure_info::record_access_failure): Update
64         for change to fields.
65         (access_failure_info::maybe_suggest_accessor): Split out into...
66         (access_failure_info::get_any_accessor): ...this new function...
67         (access_failure_info::add_fixit_hint): ...and this new function.
68         (finish_class_member_access_expr): Split out "has no member named"
69         error-handling into...
70         (complain_about_unrecognized_member): ...this new function, and
71         check that the guessed name is accessible along the access path.
72         Only provide a spell-correction fix-it hint if it is; otherwise,
73         attempt to issue an accessor fix-it hint.
75 2018-10-11  Nathan Sidwell  <nathan@acm.org>
77         * parser.c (cp_parser_translation_unit): Return void.  Don't fail
78         at first extra }, simplify logic.
79         (c_parse_file): Call finish_translation_unit here.
81 2018-10-11  Jakub Jelinek  <jakub@redhat.com>
83         PR c++/87582
84         * typeck.c (maybe_warn_about_returning_address_of_local): If
85         whats_returned is a structured binding identifier and the structured
86         binding is a reference, recurse on its initializer.
88         PR c++/87547
89         * rtti.c (get_tinfo_decl_dynamic): Use unlowered_expr_type instead
90         of TREE_TYPE.
92 2018-10-10  Marek Polacek  <polacek@redhat.com>
94         PR c++/87567 - constexpr rejects call to non-constexpr function.
95         * constexpr.c (potential_constant_expression_1) <case FOR_STMT>: Return
96         true if the condition is always false.
97         <case WHILE_STMT>: Likewise.
99 2018-10-09  Paolo Carlini  <paolo.carlini@oracle.com>
101         PR c++/84423
102         * pt.c (convert_template_argument): Immediately return error_mark_node
103         if the second argument is erroneous.
104         * parser.c (cp_parser_type_id): Add location_t * parameter.
105         (cp_parser_type_id_1): Likewise.
106         (cp_parser_alias_declaration): Adjust cp_parser_type_id call,
107         obtain the location of the type and save it.
108         (cp_parser_template_type_arg): Adjust.
109         (cp_parser_trailing_type_id): Likewise.
110         * decl.c (grokdeclarator): Improve error message for 'auto' in
111         alias declaration.
113 2018-10-08  Paolo Carlini  <paolo.carlini@oracle.com>
115         PR c++/71128
116         * pt.c (do_decl_instantiation): Per 12.6.8/5, a concept cannot be
117         explicitly instantiated.
119 2018-10-05  David Malcolm  <dmalcolm@redhat.com>
121         PR c++/56856
122         * call.c (build_over_call): Build a vec of locations of the
123         arguments before the call to maybe_constant_value, and pass to
124         check_function_arguments.
125         * cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
126         c_get_substring_location.
127         * parser.c (cp_parser_string_literal): Capture string
128         concatenation locations.
130 2018-10-04  Nathan Sidwell  <nathan@acm.org>
132         * lang-specs.h: Use string contatenation, not line splicing.
134 2018-10-03  Jason Merrill  <jason@redhat.com>
136         Implement P0840, language support for empty objects.
137         * tree.c (handle_no_unique_addr_attribute): New.
138         (cxx_attribute_table): Add [[no_unique_address]].
139         * class.c (field_poverlapping_p): New.
140         (layout_class_type): Check it.  Adjust DECL_SIZE of potentially
141         overlapping fields.
142         (layout_empty_base_or_field): Rename from layout_empty_base, handle
143         FIELD_DECL as well.
144         (build_base_field, record_subobject_offsets): Adjust.
146 2018-10-03  Martin Liska  <mliska@suse.cz>
148         PR gcov-profile/86109
149         * parser.c (cp_parser_lambda_declarator_opt):
150         Set DECL_LAMBDA_FUNCTION for lambdas.
152 2018-10-02  Richard Biener  <rguenther@suse.de>
154         * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
156 2018-09-28  Eric Botcazou  <ebotcazou@adacore.com>
157             Pierre-Marie de Rodat  <derodat@adacore.com>
159         * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
161 2018-09-28  Richard Biener  <rguenther@suse.de>
163         * error.c (cp_print_error_function): Simplify by eliding
164         the BLOCK_ABSTRACT_ORIGIN chasing.
166 2018-09-27  Paolo Carlini  <paolo.carlini@oracle.com>
168         PR c++/84940
169         * semantics.c (finish_unary_op_expr): Check return value of
170         build_x_unary_op for error_mark_node.
172 2018-09-25  Jakub Jelinek  <jakub@redhat.com>
174         PR c++/87398
175         * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
176         look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
178 2018-09-25  Martin Liska  <mliska@suse.cz>
180         * name-lookup.c (namespace_scope_ht_size): Remove
181         unused function.
182         * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
184 2018-09-24  Paolo Carlini  <paolo.carlini@oracle.com>
186         PR c++/85070
187         * method.c (lazily_declare_fn): During error-recovery add_method
188         may return false.
190 2018-09-21  Marek Polacek  <polacek@redhat.com>
192         PR c++/87372 - __func__ constexpr evaluation.
193         * constexpr.c (maybe_constant_init_1): Pass false for strict down to
194         cxx_eval_outermost_constant_expr.
196 2018-09-20  Marek Polacek  <polacek@redhat.com>
198         PR c++/87109 - wrong ctor with maybe-rvalue semantics.
199         * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
200         check to only return if we're converting the return value to a base
201         class.
203 2018-09-20  Allan Sandfeld Jensen  <allan.jensen@qt.io>
205         * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
207 2018-09-20  Jason Merrill  <jason@redhat.com>
209         PR c++/87075 - ICE with constexpr array initialization.
210         * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
212 2018-09-19  Marek Polacek  <polacek@redhat.com>
214         Add -Wclass-conversion.
215         * decl.c (grok_op_properties): Change a warning from -Wconversion to
216         -Wclass-conversion.  Make it print the types.
218 2018-09-19  Paolo Carlini  <paolo.carlini@oracle.com>
220         PR c++/87324
221         * parser.c (cp_parser_initializer_list): Assign error_mark_node
222         to the index upon error.
224 2018-09-19  Marek Polacek  <polacek@redhat.com>
226         PR c++/87357 - missing -Wconversion warning
227         * decl.c (grok_op_properties): Remove diagnostic parts mentioning
228         a conversion to a reference to void.  Use
229         same_type_ignoring_top_level_qualifiers_p rather than comparing types
230         directly.
232 2018-09-18  Marek Polacek  <polacek@redhat.com>
234         P1064R0 - Allowing Virtual Function Calls in Constant Expressions
235         * call.c (build_over_call): No longer check if we're outside a template
236         function.
237         * class.c (build_vtbl_initializer): Build vtable's constructor with
238         indexes.
239         * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
240         initializer.  Handle OBJ_TYPE_REF.
241         (potential_constant_expression_1): Handle OBJ_TYPE_REF.
242         * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
243         (initialize_artificial_var): Mark the variable as constexpr.
244         (grokdeclarator): Change error to pedwarn.  Only warn when
245         pedantic and not C++2a.
247 2018-09-18  Paolo Carlini  <paolo.carlini@oracle.com>
249         PR c++/85065
250         * cp-tree.h (NON_ERROR): New.
251         * pt.c (auto_hash::hash): Use it.
252         (do_auto_deduction): Likewise.
254 2018-09-18  Nathan Sidwell  <nathan@acm.org>
256         PR c++/86881
257         * name-lookup.c (check_local_shadow): Ignore auto types.
259 2018-09-17  David Malcolm  <dmalcolm@redhat.com>
261         * error.c (range_label_for_type_mismatch::get_text): Update for
262         new param.
264 2018-09-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
266         * typeck2.c (digest_init_r): Fix overlength strings.
268 2018-09-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
270         PR c++/87093
271         * method.c (constructible_expr): We're in an unevaluated context
272         in all cases, not just for class targets.
274 2018-09-12  David Malcolm  <dmalcolm@redhat.com>
276         PR c++/85110
277         * call.c (struct conversion_info): Add "loc" field.
278         (arg_conversion_rejection): Add "loc" param, using it to
279         initialize the new field.
280         (bad_arg_conversion_rejection): Likewise.
281         (explicit_conversion_rejection): Initialize the new field to
282         UNKNOWN_LOCATION.
283         (template_conversion_rejection): Likewise.
284         (add_function_candidate): Pass on the argument location to the new
285         param of arg_conversion_rejection.
286         (add_conv_candidate): Likewise.
287         (build_builtin_candidate): Likewise.
288         (build_user_type_conversion_1): Likewise.
289         (single_z_candidate): New function.
290         (maybe_get_bad_conversion_for_unmatched_call): New function.
291         (complain_about_bad_argument): New function, based on part of
292         convert_for_assignment.
293         (build_new_method_call_1): Split out handling of the "no viable
294         candidates" case into...
295         (complain_about_no_candidates_for_method_call): ...this new
296         function, and use the new functions above to special-case the
297         handling of a single non-viable candidate due to a bad argument.
298         * cp-tree.h (complain_about_bad_argument): New decl.
299         * typeck.c (convert_for_assignment): Split out one error-handling
300         case into complain_about_bad_argument.
302 2018-09-09  Cesar Philippidis  <cesar@codesourcery.com>
303             Julian Brown  <julian@codesourcery.com>
305         PR middle-end/86336
306         * semantics.c (finish_omp_clauses): Treat C++ references the same in
307         OpenACC as OpenMP.
309 2018-08-28  Martin Liska  <mliska@suse.cz>
311         * constexpr.c (cxx_eval_call_expression): Add quotes
312         to -fconstexpr-depth=.
314 2018-09-10  Marek Polacek  <polacek@redhat.com>
316         * class.c (build_vtbl_ref): Remove.
317         (build_vtbl_ref_1): Rename to build_vtbl_ref.
318         (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
320 2018-09-08  Marek Polacek  <polacek@redhat.com>
322         PR c++/87150 - wrong ctor with maybe-rvalue semantics.
323         * call.c (struct conversion): Update commentary.
324         (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
325         for ck_base.
327 2018-09-08  Jason Merrill  <jason@redhat.com>
329         PR c++/86678 - constexpr function with non-constant after return.
330         * constexpr.c (potential_constant_expression_1): Add jump_target.
331         (breaks): Check for BREAK_STMT.
332         (continues): Check for CONTINUE_STMT.
334 2018-09-08  Marek Polacek  <polacek@redhat.com>
336         * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
337         RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
339 2018-09-07  Marek Polacek  <polacek@redhat.com>
341         PR c++/87152 - range-based for loops with initializer broken in templates.
342         * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
343         Recur into RANGE_FOR_INIT_STMT.
344         * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
345         * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
346         * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
347         RANGE_FOR_INIT_STMT.
348         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
349         RANGE_FOR_INIT_STMT.
350         * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
351         Do put the init statement in RANGE_FOR_INIT_STMT.
352         (finish_range_for_decl): Pop it for templates.
354 2018-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
356         * decl.c (check_initializer): Call cp_complete_array_type.
358 2018-09-05  Marek Polacek  <polacek@redhat.com>
360         PR c++/87109, wrong overload with ref-qualifiers.
361         * call.c (build_user_type_conversion_1): Use NULL instead of 0.  Bail
362         out if performing the maybe-rvalue overload resolution and a conversion
363         function is getting called.
365         PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
366         * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
367         to std::move or std::forward.
368         (is_std_forward_p): New function.
370 2018-09-05  Pádraig Brady  <p@draigbrady.com>
372         PR c++/87185
373         * lambda.c (prune_lambda_captures): Protect against const_vars.get
374         returning NULL.
376 2018-09-04  Marek Polacek  <polacek@redhat.com>
378         * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
379         * except.c (build_throw): Use it.  Use CP_TYPE_VOLATILE_P.
380         * typeck.c (treat_lvalue_as_rvalue_p): No longer static.  Add PARM_OK
381         parameter.
382         (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
383         (check_return_expr): Likewise.
385 2018-09-03  Paolo Carlini  <paolo.carlini@oracle.com>
387         PR c++/84980
388         * constraint.cc (finish_shorthand_constraint): Early return if the
389         constraint is erroneous.
391 2018-09-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
393         * decl.c (eval_check_narrowing): Remove.
394         (check_initializer): Move call to braced_list_to_string from here ...
395         * typeck2.c (store_init_value): ... to here.
396         (digest_init_r): Remove handing of signed/unsigned char strings.
398 2018-08-31  Nathan Sidwell  <nathan@acm.org>
400         PR c++/87155
401         PR c++/84707
402         * name-lookup.c (name_lookup::search_namespace): Don't look at
403         inlines when searching for NULL names.
405         * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
406         of return types and parms.
407         * parser.c (cp_parser_parameter_declaration_clause): Likewise,
408         '()' always means '(void)'.
410 2018-08-29  Jakub Jelinek  <jakub@redhat.com>
412         PR c++/87095
413         * decl.c (begin_destructor_body): If current_class_type has
414         virtual bases and the primary base is nearly empty virtual base,
415         voidify clearing of vptr and make it conditional on in-charge
416         argument.
418 2018-08-29  Paolo Carlini  <paolo.carlini@oracle.com>
420         PR c++/85265
421         * parser.c (cp_parser_introduction_list): If cp_parser_identifier
422         returns error_mark_node early exit the loop.
423         (cp_parser_template_introduction): Improve error-recovery, remove
424         error call about empty introduction-list.
426 2018-08-29  David Malcolm  <dmalcolm@redhat.com>
428         PR c++/85110
429         * call.c (print_conversion_rejection): Add "fn" param and use it
430         for "no known conversion" messages to underline the pertinent
431         param.
432         (print_z_candidate): Supply "fn" to the new param above.
434 2018-08-29  Jakub Jelinek  <jakub@redhat.com>
436         PR c++/87122
437         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
438         processing_template_decl and decl is structured binding decl, call
439         cp_finish_decomp.
441 2018-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
443         PR c++/86546
444         * decl.c (finish_case_label): If the type is erroneous early
445         return error_mark_node.
447 2018-08-27  David Malcolm  <dmalcolm@redhat.com>
449         PR c++/63392
450         * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
451         hint.
453 2018-08-27  Jakub Jelinek  <jakub@redhat.com>
455         PR c++/86993
456         * cp-tree.h (cxx_readonly_error): Add location_t argument.
457         * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
458         ERROR_FOR_ASSIGNMENT macro and readonly_error.  Add LOC argument
459         to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
460         pass LOC to it.  Formatting fixes.
461         * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
462         (cp_build_modify_expr): Pass loc to cxx_readonly_error.
463         * semantics.c (finish_asm_stmt): Pass input_location to
464         cxx_readonly_error.
466 2018-08-27  David Malcolm  <dmalcolm@redhat.com>
468         PR c++/87091
469         * decl.c (grokdeclarator): Update for conversion of show_caret_p
470         to a tri-state.
471         * error.c (cp_printer): Likewise.
472         * name-lookup.c (maybe_suggest_missing_std_header): Update call to
473         maybe_add_include_fixit to suggest overriding the location, as it
474         is for a note.
475         * parser.c (cp_parser_string_literal): Update for conversion of
476         show_caret_p to a tri-state.
477         (cp_parser_elaborated_type_specifier): Likewise.
478         (set_and_check_decl_spec_loc): Likewise.
479         * pt.c (listify): Update call to maybe_add_include_fixit to not
480         override the location, as it is for an error.
481         * rtti.c (typeid_ok_p): Likewise.
483 2018-08-27  Martin Liska  <mliska@suse.cz>
485         * call.c (build_call_a): Use new function
486         fndecl_built_in_p and remove check for FUNCTION_DECL if
487         possible.
488         (build_cxx_call): Likewise.
489         * constexpr.c (constexpr_fn_retval): Likewise.
490         (cxx_eval_builtin_function_call): Likewise.
491         (cxx_eval_call_expression): Likewise.
492         (potential_constant_expression_1): Likewise.
493         * cp-gimplify.c (cp_gimplify_expr): Likewise.
494         (cp_fold): Likewise.
495         * decl.c (decls_match): Likewise.
496         (validate_constexpr_redeclaration): Likewise.
497         (duplicate_decls): Likewise.
498         (make_rtl_for_nonlocal_decl): Likewise.
499         * name-lookup.c (consider_binding_level): Likewise.
500         (cp_emit_debug_info_for_using): Likewise.
501         * semantics.c (finish_call_expr): Likewise.
502         * tree.c (builtin_valid_in_constant_expr_p): Likewise.
504 2018-08-26  Marek Polacek  <polacek@redhat.com>
506         PR c++/87080
507         * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
509         PR c++/87029, Implement -Wredundant-move.
510         * typeck.c (treat_lvalue_as_rvalue_p): New function.
511         (maybe_warn_pessimizing_move): Call convert_from_reference.
512         Warn about redundant moves.
514 2018-08-24  Marek Polacek  <polacek@redhat.com>
516         PR c++/67012
517         PR c++/86942
518         * decl.c (grokdeclarator): Disallow functions with trailing return
519         type with decltype(auto) as its type.  Also check the function if
520         it's inner declarator doesn't exist
522 2018-08-21  Marek Polacek  <polacek@redhat.com>
524         PR c++/86499
525         * parser.c (cp_parser_lambda_introducer): Give error if a non-local
526         lambda has a capture-default.
528 2018-08-21  Paolo Carlini  <paolo.carlini@oracle.com>
530         * decl.c (check_static_variable_definition): Change to return void.
532 2018-08-21  Marek Polacek  <polacek@redhat.com>
534         PR c++/86981, Implement -Wpessimizing-move.
535         * typeck.c (decl_in_std_namespace_p): New.
536         (is_std_move_p): New.
537         (maybe_warn_pessimizing_move): New.
538         (can_do_nrvo_p): New, factored out of ...
539         (check_return_expr): ... here.  Warn about potentially harmful
540         std::move in a return statement.
542         PR c++/65043
543         * call.c (standard_conversion): Set check_narrowing.
544         * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
545         than comparing with INTEGER_TYPE.
547         * cp-tree.h: Fix typo.
549 2018-08-20  David Malcolm  <dmalcolm@redhat.com>
551         PR other/84889
552         * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
553         instance(s).
554         (print_error_for_call_failure): Likewise.
555         (build_op_call_1): Likewise.
556         (build_conditional_expr_1): Likewise.
557         (build_new_op_1): Likewise.
558         (build_op_delete_call): Likewise.
559         (convert_like_real): Likewise.
560         (build_over_call): Likewise.
561         (build_new_method_call_1): Likewise.
562         (joust): Likewise.
563         * class.c (check_tag): Likewise.
564         (finish_struct_anon_r): Likewise.
565         (one_inherited_ctor): Likewise.
566         (finalize_literal_type_property): Likewise.
567         (explain_non_literal_class): Likewise.
568         (find_flexarrays): Likewise.
569         (resolve_address_of_overloaded_function): Likewise.
570         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
571         (is_valid_constexpr_fn): Likewise.
572         (cx_check_missing_mem_inits): Likewise.
573         * cp-gimplify.c (cp_genericize_r): Likewise.
574         * cvt.c (maybe_warn_nodiscard): Likewise.
575         * decl.c (warn_extern_redeclared_static): Likewise.
576         (check_redeclaration_exception_specification): Likewise.
577         (check_no_redeclaration_friend_default_args): Likewise.
578         (duplicate_decls): Likewise.
579         (redeclaration_error_message): Likewise.
580         (warn_misplaced_attr_for_class_type): Likewise.
581         * decl2.c (finish_static_data_member_decl): Likewise.
582         (no_linkage_error): Likewise.
583         (cp_warn_deprecated_use): Likewise.
584         * error.c (qualified_name_lookup_error): Likewise.
585         * friend.c (make_friend_class): Likewise.
586         (do_friend): Likewise.
587         * init.c (perform_member_init): Likewise.
588         (build_new_1): Likewise.
589         (build_vec_delete_1): Likewise.
590         (build_delete): Likewise.
591         * lex.c (unqualified_name_lookup_error): Likewise.
592         * name-lookup.c (check_extern_c_conflict): Likewise.
593         (inform_shadowed): New function.
594         (check_local_shadow): Add auto_diagnostic_group instances,
595         replacing goto "inform_shadowed" label with call to subroutine.
596         (set_local_extern_decl_linkage): Add auto_diagnostic_group
597         instance(s).
598         * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
599         (cp_parser_namespace_name): Likewise.
600         * pt.c (check_specialization_namespace): Likewise.
601         (check_template_variable): Likewise.
602         (warn_spec_missing_attributes): Likewise.
603         (check_explicit_specialization): Likewise.
604         (process_partial_specialization): Likewise.
605         (lookup_template_class_1): Likewise.
606         (finish_template_variable): Likewise.
607         (do_auto_deduction): Likewise.
608         * search.c (check_final_overrider): Likewise.
609         (look_for_overrides_r): Likewise.
610         * tree.c (maybe_warn_parm_abi): Likewise.
611         * typeck.c (cxx_sizeof_expr): Likewise.
612         (cp_build_function_call_vec): Likewise.
613         (cp_build_binary_op): Likewise.
614         (convert_for_assignment): Likewise.
615         (maybe_warn_about_returning_address_of_local): Likewise.
616         * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
617         (check_narrowing): Likewise.
619 2018-08-17  David Malcolm  <dmalcolm@redhat.com>
621         * typeck.c (string_conv_p): Extract location from EXP and use it
622         in preference to input_location when issuing warnings.
624 2018-08-15  David Malcolm  <dmalcolm@redhat.com>
626         * call.c: Include "gcc-rich-location.h".
627         (convert_like_real): Add range label for "invalid conversion"
628         diagnostic.
629         (perform_implicit_conversion_flags): Add type label to the
630         "could not convert" error.
631         * error.c: Include "gcc-rich-location.h".
632         (range_label_for_type_mismatch::get_text): New function.
633         * typeck.c (convert_for_assignment): Add type label to
634         the "cannot convert" error if a location is available.
636 2018-08-15  Paolo Carlini  <paolo.carlini@oracle.com>
638         * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
639         emit an error instead of a permerror.
641 2018-08-13  Marek Polacek  <polacek@redhat.com>
643         PR c++/57891
644         * call.c (struct conversion): Add check_narrowing_const_only.
645         (build_converted_constant_expr): Set check_narrowing and
646         check_narrowing_const_only.  Give error if expr is error node.
647         (convert_like_real): Pass it to check_narrowing.
648         * cp-tree.h (check_narrowing): Add a default parameter.
649         * decl.c (compute_array_index_type): Use input_location instead of
650         location_of.
651         * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
652         * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
653         expressions.  Call maybe_constant_value instead of
654         fold_non_dependent_expr.  Don't mention { } in diagnostic.  Only check
655         narrowing for constants if CONST_ONLY.
657 2018-08-13  Martin Sebor  <msebor@redhat.com>
659         PR tree-optimization/71625
660         * decl.c (check_initializer):  Call braced_list_to_string.
661         (eval_check_narrowing): New function.
662         * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
663         as initilizers for all narrow character types.
665 2018-08-13  Marek Polacek  <polacek@redhat.com>
667         P0806R2 - Deprecate implicit capture of this via [=]
668         * lambda.c (add_default_capture): Formatting fixes.  Warn about
669         deprecated implicit capture of this via [=].
671         PR c++/86915
672         * decl.c (create_array_type_for_decl): Handle null name.
674 2018-08-10  Jason Merrill  <jason@redhat.com>
676         PR c++/86728 - C variadic generic lambda.
677         * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
678         a pack if it's followed by a declarator-id.
680 2018-08-08  Jakub Jelinek  <jakub@redhat.com>
682         P0595R1 - is_constant_evaluated
683         * cp-tree.h (enum cp_built_in_function): New.
684         (maybe_constant_init): Add pretend_const_required argument.
685         * typeck2.c (store_init_value): Pass true as new argument to
686         maybe_constant_init.
687         * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
688         for BUILT_IN_UNREACHABLE.
689         (struct constexpr_ctx): Add pretend_const_required field.
690         (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
691         macro.  Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED.  Check also
692         DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
693         (cxx_eval_outermost_constant_expr): Add pretend_const_required
694         argument, initialize pretend_const_required field in ctx.  If the
695         result is TREE_CONSTANT and non_constant_p, retry with
696         pretend_const_required false if it was true.
697         (is_sub_constant_expr): Initialize pretend_const_required_field in
698         ctx.
699         (cxx_constant_value): Pass true as pretend_const_required to
700         cxx_eval_outermost_constant_expr.
701         (maybe_constant_value): Pass false as pretend_const_required to
702         cxx_eval_outermost_constant_expr.
703         (fold_non_dependent_expr): Likewise.
704         (maybe_constant_init_1): Add pretend_const_required argument, pass it
705         down to cxx_eval_outermost_constant_expr.  Pass !allow_non_constant
706         instead of false as strict to cxx_eval_outermost_constant_expr.
707         (maybe_constant_init): Add pretend_const_required argument, pass it
708         down to maybe_constant_init_1.
709         (cxx_constant_init): Pass true as pretend_const_required to
710         maybe_constant_init_1.
711         * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
712         CP_BUILT_IN_IS_CONSTANT_EVALUATED.
713         (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
714         * decl.c: Include langhooks.h.
715         (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
716         built-in.
717         * tree.c (builtin_valid_in_constant_expr_p): Return true for
718         CP_BUILT_IN_IS_CONSTANT_EVALUATED.
719         * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
721         PR c++/86836
722         * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
723         before tsubst_init, not after it.
725         PR c++/86738
726         * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
727         NULL pointer set *non_constant_p to true.
728         (cxx_eval_component_reference): For dereferencing of a NULL pointer,
729         set *non_constant_p to true and return t.
731 2018-08-07  Paolo Carlini  <paolo.carlini@oracle.com>
733         PR c++/59480, DR 136
734         * decl.c (check_no_redeclaration_friend_default_args): New.
735         (duplicate_decls): Use the latter; also check that a friend
736         declaration specifying default arguments is a definition.
738 2018-08-07  Ville Voutilainen  <ville.voutilainen@gmail.com>
740         PR c++/79133
741         * name-lookup.c (check_local_shadow): Reject captures and parameters
742         with the same name.
744 2018-08-06  Marek Polacek  <polacek@redhat.com>
746         PR c++/86767
747         * constexpr.c (cxx_eval_statement_list): Handle continue.
749 2018-08-03  David Malcolm  <dmalcolm@redhat.com>
750             Jonathan Wakely  <jwakely@redhat.com>
752         * decl.c: Include "gcc-rich-location.h".
753         (add_return_star_this_fixit): New function.
754         (finish_function): When warning about missing return statements in
755         functions returning non-void, add a "return *this;" fix-it hint for
756         assignment operators.
758 2018-08-03  Jason Merrill  <jason@redhat.com>
760         PR c++/86706
761         * class.c (build_base_path): Use currently_open_class.
763 2018-08-02  David Malcolm  <dmalcolm@redhat.com>
765         * error.c (cxx_print_error_function): Duplicate "file" before
766         passing it to pp_set_prefix.
767         (cp_print_error_function): Use pp_take_prefix when saving the
768         existing prefix.
770 2018-08-02  Richard Biener  <rguenther@suse.de>
772         PR c++/86763
773         * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
774         to the CLASSTYPE_AS_BASE.
776 2018-08-01  Martin Sebor  <msebor@redhat.com>
778         PR tree-optimization/86650
779         * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
780         TREE_BLOCK (t) from within percent_K_format to this callsite.
782 2018-08-01  Paolo Carlini  <paolo.carlini@oracle.com>
784         PR c++/86661
785         * class.c (note_name_declared_in_class): Use location_of in permerror
786         instead of DECL_SOURCE_LOCATION (for OVERLOADs).
788 2018-07-31  Tom de Vries  <tdevries@suse.de>
790         PR debug/86687
791         * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
793 2018-07-31  Jakub Jelinek  <jakub@redhat.com>
795         P1008R1 - prohibit aggregates with user-declared constructors
796         * class.c (check_bases_and_members): For C++2a set
797         CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
798         type_has_user_provided_or_explicit_constructor.
800 2018-07-31  Martin Liska  <mliska@suse.cz>
802         PR c++/86653
803         * parser.c (cp_parser_condition): Initialize non_constant_p
804         to false.
806 2018-07-28  David Malcolm  <dmalcolm@redhat.com>
808         * error.c (cp_printer): In the leading comment, move "%H" and "%I"
809         into alphabetical order, and add missing "%G" and "%K".  Within
810         the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
811         cases are in alphabetical order.
813 2018-07-25  Jakub Jelinek  <jakub@redhat.com>
815         * cp-tree.h (enum cp_tree_index): Add
816         CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
817         and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
818         (abi_tag_identifier, aligned_identifier, begin_identifier,
819         end_identifier, get__identifier, gnu_identifier,
820         tuple_element_identifier, tuple_size_identifier, type_identifier,
821         value_identifier, fun_identifier, closure_identifier): Define.
822         * decl.c (initialize_predefined_identifiers): Initialize the above
823         identifiers.
824         (get_tuple_size): Use tuple_size_identifier instead of
825         get_identifier ("tuple_size") and value_identifier instead of
826         get_identifier ("value").
827         (get_tuple_element_type): Use tuple_element_identifier instead of
828         get_identifier ("tuple_element") and type_identifier instead of
829         get_identifier ("type").
830         (get_tuple_decomp_init): Use get__identifier instead of
831         get_identifier ("get").
832         * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
833         get_identifier ("_FUN").
834         * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
835         instead of get_identifier ("__closure").
836         (cp_parser_std_attribute): Use gnu_identifier instead of
837         get_identifier ("gnu").
838         (cp_parser_std_attribute_spec): Likewise.  Use aligned_identifier
839         instead of get_identifier ("aligned").
840         * class.c (check_abi_tags, inherit_targ_abi_tags): Use
841         abi_tag_identifier instead of get_identifier ("abi_tag").
843         PR c++/85515
844         * cp-tree.h (enum cp_tree_index): Add
845         CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
846         (for_range__identifier, for_begin__identifier, for_end__identifier,
847         for_range_identifier, for_begin_identifier, for_end_identifier):
848         Define.
849         * decl.c (initialize_predefined_identifiers): Initialize
850         for_{range,begin,end}{,_}_identifier.
851         * parser.c (build_range_temp): Use for_range__identifier instead of
852         get_identifier ("__for_range").
853         (cp_convert_range_for): Use for_begin__identifier and
854         for_end__identifier instead of get_identifier ("__for_begin") and
855         get_identifier ("__for_end").
856         * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
857         local symbols to "__for_{range,begin,end}".
859 2018-07-23  Jakub Jelinek  <jakub@redhat.com>
861         PR c++/86569
862         * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
863         of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
864         or warn_nonnull_compare.
866 2018-07-19  Paolo Carlini  <paolo.carlini@oracle.com>
868         Revert fix for c++/59480 (and testsuite followup)
870         2019-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
872         PR c++/59480, DR 136
873         * decl.c (check_no_redeclaration_friend_default_args): New.
874         (duplicate_decls): Use the latter; also check that a friend
875         declaration specifying default arguments is a definition.
877 2018-07-18  Jakub Jelinek  <jakub@redhat.com>
879         PR c++/86550
880         * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
881         specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
883 2018-07-18  Marek Polacek  <polacek@redhat.com>
885         PR c++/86190 - bogus -Wsign-conversion warning
886         * typeck.c (cp_build_binary_op): Fix formatting.  Add a warning
887         sentinel.
889 2018-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
891         PR c++/59480, DR 136
892         * decl.c (check_no_redeclaration_friend_default_args): New.
893         (duplicate_decls): Use the latter; also check that a friend
894         declaration specifying default arguments is a definition.
896 2018-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
898         * class.c (note_name_declared_in_class): Prefer permerror + inform
899         to a pair of permerrors; use DECL_SOURCE_LOCATION.
901 2018-07-18  Richard Biener  <rguenther@suse.de>
903         PR debug/86523
904         * decl2.c (c_parse_final_cleanups): Call write_out_vars before
905         start_static_storage_duration_function sets current_function_decl.
907 2018-07-17  Jason Merrill  <jason@redhat.com>
909         PR c++/86480 - nested variadic lambda and constexpr if.
910         * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
911         IF_STMT_EXTRA_ARGS.
912         * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
913         cp_unevaluated_operand.
914         [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
916 2018-07-16  Paolo Carlini  <paolo.carlini@oracle.com>
918         * class.c (resolve_address_of_overloaded_function): Don't emit an
919         inform if the matching permerror returns false.
920         * pt.c (check_specialization_namespace): Likewise.
922 2018-07-16  Jakub Jelinek  <jakub@redhat.com>
924         PR c++/3698
925         PR c++/86208
926         * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
927         in TREE_USED flag from stmt to h->to.
929 2018-07-13  Nathan Sidwell  <nathan@acm.org>
931         PR c++/86374
932         * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
933         contexts that are classes.
934         * parser.c (cp_parser_template_id): Combine entering_scope decl &
935         initializer.
937 2018-07-12  Jakub Jelinek  <jakub@redhat.com>
939         * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
940         type here, instead add "omp declare target implicit" attribute.  Add
941         that attribute instead of "omp declare target" also when
942         processing_template_decl.
943         * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
944         and before calling cp_omp_mappable_type call complete_type.
946 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
948         PR sanitizer/86406
949         * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
950         DEBUG_BEGIN_STMTs.
952         PR c++/86443
953         * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
954         instead of setting *lastp turn orig_declv elt into a TREE_LIST.
955         (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
956         * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
957         TREE_LIST for both the original class iterator and the "last" helper
958         var.
960 2018-07-09  Paolo Carlini  <paolo.carlini@oracle.com>
962         * decl.c (grokdeclarator): Use rich_location::add_range in three
963         more places; include gcc-rich-location.h.
965 2018-07-07  Aldy Hernandez  <aldyh@redhat.com>
967         * decl.c (build_enumerator): Change overflow type to overflow_type.
968         * init.c (build_new_1): Same.
970 2018-07-05  Nathan Sidwell  <nathan@acm.org>
972         * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
973         NO_IMPLICIT_EXTERN_C.
974         * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
976 2018-07-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
978         PR c++/86398
979         * method.c (is_trivially_xible): Return false
980         if is_xible_helper returns a NULL_TREE.
982 2018-07-03  Paolo Carlini  <paolo.carlini@oracle.com>
984         * decl.c (min_location): New.
985         (smallest_type_quals_location): Use the latter.
986         (check_concept_fn): Use DECL_SOURCE_LOCATION.
987         (grokdeclarator): Use accurate locations in a number of error
988         messages involving ds_thread, ds_storage_class, ds_virtual,
989         ds_constexpr, ds_typedef and ds_friend; exploit min_location.
991 2018-07-03  Marek Polacek  <polacek@redhat.com>
993         PR c++/86201
994         * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
996 2018-07-03  Jason Merrill  <jason@redhat.com>
998         PR c++/86378 - functional cast in noexcept-specifier.
999         * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
1001 2018-07-02  Paolo Carlini  <paolo.carlini@oracle.com>
1003         * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
1004         in error message about __thread and thread_local at the same time.
1006 2018-06-29  Marek Polacek  <polacek@redhat.com>
1008         PR c++/86184
1009         * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
1011 2018-06-28  David Malcolm  <dmalcolm@redhat.com>
1013         * parser.c (cp_parser_error_1): After issuing a conflict marker
1014         error, consume tokens until the end of the source line.
1016 2018-06-28  Jason Merrill  <jason@redhat.com>
1018         PR c++/86342 - -Wdeprecated-copy and system headers.
1019         * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
1020         in system headers.
1022 2018-06-27  David Malcolm  <dmalcolm@redhat.com>
1024         PR c++/86329
1025         * name-lookup.c (consider_binding_level): Filter out names that
1026         match anon_aggrname_p.
1028 2018-06-27  Jason Merrill  <jason@redhat.com>
1030         * name-lookup.c (do_pushtag): If we skip a class level, also skip
1031         its template level.
1033 2018-06-26  Jason Merrill  <jason@redhat.com>
1035         PR c++/86320 - memory-hog with std::array of pair
1036         * typeck2.c (process_init_constructor_array): Only compute a
1037         constant initializer once.
1039         PR c++/80290 - memory-hog with std::pair.
1040         * pt.c (fn_type_unification): Add convs parameter.
1041         (check_non_deducible_conversion): Remember conversion.
1042         (check_non_deducible_conversions): New.  Do checks here.
1043         (type_unification_real): Not here.  Remove flags parm.
1044         * call.c (add_function_candidate): Make convs a parameter.
1045         Don't recalculate the conversion if it's already set.
1046         (add_template_candidate_real): Allocate convs here.
1047         (good_conversion, conv_flags): New.
1049 2018-06-26  Jakub Jelinek  <jakub@redhat.com>
1051         PR c++/86291
1052         * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
1053         type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
1055 2018-06-23  Paolo Carlini  <paolo.carlini@oracle.com>
1057         * decl.c (bad_specifiers): Add const location_t* parameter and
1058         use locations in error messages about 'inline' and 'virtual'.
1059         (mark_inline_variable): Add location_t parameter and use it in
1060         error_at and pedwarn messages.
1061         (grokdeclarator): Use declspecs->locations[ds_constexpr],
1062         declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
1063         declspecs->locations[ds_inline] in many error messages; adjust
1064         bad_specifiers and mark_inline_variable calls.
1065         (grokvardecl): Use declspecs->locations[ds_concept] in error message.
1067 2018-06-22  Jason Merrill  <jason@redhat.com>
1069         PR c++/86219 - ICE with erroneous initializer in template.
1070         * constexpr.c (fold_non_dependent_expr): Add complain parm.
1071         * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
1072         Pass it.
1073         * call.c (build_cxx_call): Don't mess with builtins in a template.
1074         * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
1075         produce a constant value, go back to the uninstantiated form.
1077         Avoid taking the address of something just because it's in parens.
1078         * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
1079         (cxx_fold_indirect_ref): Use it.
1080         (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
1081         * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
1082         * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
1083         static_cast to reference type.
1084         (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
1086 2018-06-21  Jason Merrill  <jason@redhat.com>
1088         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
1090         * name-lookup.c (do_push_to_top_level): Don't allocate
1091         current_lang_base.
1092         (do_pop_from_top_level): Release current_lang_base.
1094         Let -fmem-report see callers of cxx_make_type.
1095         * lex.c (cxx_make_type): Add MEM_STAT_DECL.
1096         (make_class_type): Likewise.
1097         (cxx_make_type_hook): New.
1098         * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
1100 2018-06-20  Nathan Sidwell  <nathan@acm.org>
1102         PR c++/85634
1103         * friend.c (add_friend): Keep lookup sets of tempate sets.
1105 2018-06-20  Paolo Carlini  <paolo.carlini@oracle.com>
1107         * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
1108         tidy handling of a null location_t argument; use proper location
1109         information in a few additional error messages.
1110         (grokdeclarator): Update calls.
1112 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
1113             Thomas Schwinge <thomas@codesourcery.com>
1114             Cesar Philippidis  <cesar@codesourcery.com>
1116         * parser.c (cp_parser_omp_clause_name): Add support for finalize
1117         and if_present. Make present_or_{copy,copyin,copyout,create} aliases
1118         to their non-present_or_* counterparts. Make 'self' an alias to
1119         PRAGMA_OACC_CLAUSE_HOST.
1120         (cp_parser_oacc_data_clause): Update GOMP mappings for
1121         PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
1122         PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
1123         (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
1124         Remove support for present_or_* clauses.
1125         (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1126         (OACC_PARALLEL_CLAUSE_MASK): Likewise.
1127         (OACC_DECLARE_CLAUSE_MASK): Likewise.
1128         (OACC_DATA_CLAUSE_MASK): Likewise.
1129         (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1130         (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
1131         (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
1132         (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
1133         * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
1134         * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
1136 2018-06-20  Marek Polacek  <polacek@redhat.com>
1138         PR c++/86240
1139         * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
1140         (fold_simple_1): Likewise.
1141         * error.c (dump_expr): Likewise.
1143 2018-06-20  Nathan Sidwell  <nathan@acm.org>
1145         PR c++/85634
1146         * cp-tree.h (lookup_keep): Drop KEEP parm.
1147         (lookup_list_keep): Delete.
1148         (maybe_get_fns): Declare.
1149         * parser.c (cp_parser_primary_expression): Call lookup_keep here.
1150         (cp_parser_template_id): Not here ...
1151         * decl.c (cp_finish_decl): ... nor here ...
1152         * init.c (build_raw_new_expr): ... nor here ...
1153         * pt.c (process_template_parm): ... nor here ...
1154         * semantics.c (perform_koenig_lookup): Call lookup_keep.
1155         (finish_call_expr): Not here.
1156         * tree.c (ovl_cache): Delete.
1157         (ovl_make, ovl_copy): No cache.
1158         (lookup_keep): Always keep.
1159         (lookup_list_keep): Delete.
1160         (maybe_get_fns): New, broken out of ...
1161         (get_fns): ... here.  Call it.
1162         (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
1163         (build_min_nt_call_vec): Likewise.
1165 2018-06-19  Jason Merrill  <jason@redhat.com>
1167         * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
1168         * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
1170         PR c++/86182 - ICE with anonymous union passed to template.
1171         * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1172         used to declare a named variable.
1174 2018-06-18  Jason Merrill  <jason@redhat.com>
1176         * tree.c (cp_expr_location): New.
1177         * cp-tree.h (cp_expr_loc_or_loc): New.
1178         * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1179         error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1180         typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1182         * parser.c (cp_parser_lambda_expression): Use a range for
1183         LAMBDA_EXPR_LOCATION.
1185         PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1186         * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1187         function type.
1189         PR c++/81060 - ICE with unexpanded parameter pack.
1190         * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1191         * decl.c (grokdeclarator): Call it for qualifying_scope.
1193         PR c++/86171 - ICE with recursive alias instantiation.
1194         * pt.c (tsubst_decl): Handle recursive alias instantiation.
1196 2018-06-18  Paolo Carlini  <paolo.carlini@oracle.com>
1198         * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1199         in errors about redefined default arguments; tidy.
1201 2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
1203         * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1204         * cp-gimplify.c (cp_fold): Likewise.
1206 2018-06-15  Jason Merrill  <jason@redhat.com>
1208         PR c++/86147 - wrong capture for template argument.
1209         * expr.c (mark_use): Look through NOP_EXPR.
1211         * name-lookup.c (do_pushtag): Don't look through complete types, but
1212         don't add to them either.  Get context from current_binding_level.
1213         * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1215         * decl.c (start_enum): Do compare dependent underlying type.
1217         PR c++/82882 - ICE with lambda in template default argument.
1218         * lambda.c (record_null_lambda_scope): New.
1219         * pt.c (tsubst_lambda_expr): Use it.
1220         * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1221         function that isn't open.
1223         * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1225 2018-06-14  Marek Polacek  <polacek@redhat.com>
1227         PR c++/86063
1228         * decl2.c (cp_check_const_attributes): Skip trees that are not
1229         TREE_LISTs.
1231 2018-06-14  Jakub Jelinek  <jakub@redhat.com>
1233         P0624R2 - Default constructible and assignable stateless lambdas
1234         * method.c (synthesized_method_walk): For C++2a don't mark
1235         sfk_constructor or sfk_copy_assignment as deleted if lambda has
1236         no lambda-captures.
1238 2018-06-14  Paolo Carlini  <paolo.carlini@oracle.com>
1240         * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1241         OPT_Wshadow warning_at.
1242         (grokfndecl): Consistently use the location_t argument in
1243         literal operator diagnostic messages.
1244         (grokdeclarator): Use declspecs->locations[ds_storage_class]
1245         in error_at call.
1246         * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1247         in permerror call.
1249 2018-06-13  Jason Merrill  <jason@redhat.com>
1251         PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1252         * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1253         constructors.
1255         PR c++/86094 - wrong code with defaulted move ctor.
1256         * class.c (classtype_has_non_deleted_move_ctor): New.
1257         * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1258         Handle v12 breakage.
1260 2018-06-12  Jason Merrill  <jason@redhat.com>
1262         PR c++/86098 - ICE with template placeholder for TTP.
1263         * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1264         CLASS_PLACEHOLDER_TEMPLATE.
1266 2018-06-12  Paolo Carlini  <paolo.carlini@oracle.com>
1268         * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1269         parameter and adjust error_at calls.
1270         * decl.c (grok_op_properties): Adjust calls.
1271         * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1273 2018-06-12  Marek Polacek  <polacek@redhat.com>
1275         Core issue 1331 - const mismatch with defaulted copy constructor
1276         * class.c (check_bases_and_members): When checking a defaulted
1277         function, mark it as deleted rather than giving an error.
1279 2018-06-11  Jason Merrill  <jason@redhat.com>
1281         PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1282         * class.c (maybe_warn_about_overly_private_class): Handle inherited
1283         constructors.
1285         PR c++/85963 - -Wunused-but-set with ?: in template.
1286         * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1288 2018-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
1290         * decl.c (grok_op_properties): Consistently use the location
1291         of the decl; remove special casing of POSTINCREMENT_EXPR and
1292         POSTDECREMENT_EXPR wrt default arguments.
1294 2018-06-05  Jason Merrill  <jason@redhat.com>
1296         * constexpr.c (cxx_eval_binary_expression): Special case comparison
1297         of pointers to members of the same union.
1299 2018-06-11  Jason Merrill  <jason@redhat.com>
1301         PR c++/86094 - wrong code with defaulted move ctor.
1302         * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1304 2018-06-10  Paolo Carlini  <paolo.carlini@oracle.com>
1306         * decl.c (grokfndecl): Use the location_t argument in two more places.
1308 2018-06-06  Marek Polacek  <polacek@redhat.com>
1310         PR c++/85977
1311         * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1312         deduction from the list elements.
1313         (type_unification_real): Check convertibility of list elements.
1315 2018-06-06  Jason Merrill  <jason@redhat.com>
1317         PR c++/86060 - ICE on range for with -std=c++98.
1318         * parser.c (cp_parser_init_statement): Don't clobber *decl after
1319         pedwarn.
1321         PR c++/85710 - ICE with -Wmemset-elt-size.
1322         * semantics.c (finish_call_expr): Call warn_for_memset here.
1323         * parser.c (cp_parser_postfix_expression): Not here.
1324         (literal_integer_zerop): No longer static.
1325         * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1327 2018-06-05  Marek Polacek  <polacek@redhat.com>
1329         PR c++/85976
1330         * tree.c (cp_tree_equal): Handle USING_DECL.
1332 2018-06-05  Jason Merrill  <jason@redhat.com>
1334         PR c++/85731 - wrong error with qualified-id in template.
1335         * semantics.c (finish_qualified_id_expr): build_qualified_name
1336         for unbound names in the current class.
1338 2018-06-04  Jason Merrill  <jason@redhat.com>
1340         PR c++/61806 - missed SFINAE with partial specialization.
1341         * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1342         parameter to constructor.
1343         * pt.c (instantiate_class_template_1): Enable access checking
1344         before call to most_specialized_partial_spec.
1346         PR c++/85765 - SFINAE and non-type default template arg.
1347         * pt.c (type_unification_real): Do full semantic processing if
1348         substituting a partial args list replaces all template parms.
1350 2018-06-03  Jason Merrill  <jason@redhat.com>
1352         PR c++/85739 - ICE with pointer to member template parm.
1353         * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1355 2018-06-02  Jason Merrill  <jason@redhat.com>
1357         PR c++/85761 - ICE with ill-formed use of const outer variable.
1358         * expr.c (mark_use): Handle location wrappers.
1360 2018-06-01  Jason Merrill  <jason@redhat.com>
1362         PR c++/85764 - bogus 'this' not captured error.
1363         * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1364         (nonlambda_method_basetype): Handle NSDMI.
1366         CWG 1581: When are constexpr member functions defined?
1367         * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1368         (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1370         PR c++/58281 - explicit instantiation of constexpr
1371         * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1373         * pt.c (instantiate_decl): Any defaulted function is defined.
1375 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
1377         PR c++/77777
1378         * call.c (resolve_args): Use location of expression, not current input
1379         location.
1381 2018-05-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
1383         Do not warn about zero-as-null when NULL is used.
1384         * call.c (conversion_null_warnings): Check for pointer
1385         types converted from zero constants.
1386         (convert_like_real): Add a warning sentinel at the end.
1387         * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1388         check null_node_p.
1390 2018-05-30  Jason Merrill  <jason@redhat.com>
1392         PR c++/85807 - ICE with call in template NSDMI.
1393         * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1394         * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1396         PR c++/85873 - constant initializer_list array not in .rodata.
1397         * tree.c (build_target_expr): Set TREE_READONLY.
1398         * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1400         * parser.c (cp_parser_check_condition_declarator): Handle
1401         cp_error_declarator.
1403 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
1405         * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1406         of using it in dead store.
1408 2018-05-29  Jason Merrill  <jason@redhat.com>
1410         PR c++/67445 - returning temporary initializer_list.
1411         PR c++/67711 - assigning from temporary initializer_list.
1412         PR c++/48562 - new initializer_list.
1413         * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1414         about returning local initializer_list.
1415         * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1416         * call.c (build_over_call): Warn about assignment from temporary
1417         init_list.
1418         * init.c (build_new_1): Warn about 'new std::initializer_list'.
1419         (find_list_begin, maybe_warn_list_ctor): New.
1420         (perform_member_init): Use maybe_warn_list_ctor.
1422 2018-05-29  Marek Polacek  <polacek@redhat.com>
1424         PR c++/85883
1425         * init.c (build_new): Handle deducing a class with new
1426         with more than one argument.
1428 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
1430         PR c++/85952
1431         * init.c (build_aggr_init): For structured binding initialized from
1432         array call mark_rvalue_use on the initializer.
1434 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1436         * decl2.c (start_static_storage_duration_function): Use
1437         splay_tree_delete_pointers.
1439 2018-05-25  Jason Merrill  <jason@redhat.com>
1441         PR c++/85815 - reference to member of enclosing template.
1442         * search.c (lookup_base): Use currently_open_class.
1443         (lookup_member): Use it regardless of -fconcepts.
1444         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1446         CWG 616, 1213 - value category of subobject references.
1447         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1449 2018-05-24  Jason Merrill  <jason@redhat.com>
1451         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1452         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1453         generic lambda.
1455 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
1457         Pedwarn on a non-standard position of a C++ attribute.
1458         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1459         after the namespace name.
1461 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
1463         * cp-tree.h (INDIRECT_TYPE_P): New.
1464         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1465         joust): Use it instead of POINTER_TYPE_P.
1466         * class.c (update_vtable_entry_for_fn, find_flexarrays,
1467         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1468         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1469         * cxx_eval_increment_expression, potential_constant_expression_1):
1470         Likewise.
1471         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1472         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1473         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1474         cp_ubsan_maybe_instrument_downcast): Likewise.
1475         * cvt.c (cp_convert_to_pointer, ocp_convert,
1476         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1477         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1478         pp_cxx_offsetof_expression_1): Likewise.
1479         * decl.c (grokparms, static_fn_type): Likewise.
1480         * decl2.c (grokbitfield): Likewise.
1481         * error.c (dump_expr): Likewise.
1482         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1483         * init.c (warn_placement_new_too_small): Likewise.
1484         * lambda.c (build_capture_proxy, add_capture): Likewise.
1485         * parser.c (cp_parser_omp_for_loop): Likewise.
1486         * pt.c (convert_nontype_argument, fn_type_unification,
1487         uses_deducible_template_parms, check_cv_quals_for_unify,
1488         dependent_type_p_r): Likewise.
1489         * search.c (check_final_overrider): Likewise.
1490         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1491         finish_omp_for): Likewise.
1492         * tree.c (cp_build_qualified_type_real): Likewise.
1493         * typeck.c (build_class_member_access_expr,
1494         finish_class_member_access_expr, build_x_indirect_ref,
1495         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1496         Likewise.
1498 2018-05-24  Jason Merrill  <jason@redhat.com>
1500         PR c++/85864 - literal template and default template arg.
1501         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1503 2018-05-24  Marek Polacek  <polacek@redhat.com>
1505         PR c++/85847
1506         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
1507         variable for its result.  Fix a condition.
1508         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
1510 2018-05-23  Jason Merrill  <jason@redhat.com>
1512         Fix cast to rvalue reference from prvalue.
1513         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1514         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1515         non-class type.  Handle xvalue argument.
1516         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1517         rvalue reference.
1518         * semantics.c (finish_compound_literal): Do direct-initialization,
1519         not cast, to initialize a reference.
1521         CWG 616, 1213 - value category of subobject references.
1522         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1523         an xvalue.
1524         * typeck2.c (build_m_component_ref): Likewise.
1525         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1526         distinction between temporary and xvalue.
1528 2018-05-23  Marek Polacek  <polacek@redhat.com>
1530         Implement P0614R1, Range-based for statements with initializer.
1531         * parser.c (cp_parser_range_based_for_with_init_p): New.
1532         (cp_parser_init_statement): Use it.  Parse the optional init-statement
1533         for a range-based for loop.
1534         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1536 2018-05-22  Jason Merrill  <jason@redhat.com>
1538         PR c++/81420 - not extending temporary lifetime.
1539         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1540         * class.c (build_base_path): Avoid redundant move of an rvalue.
1542         PR c++/85866 - error with .* in default template arg.
1543         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1545 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
1547         * parser.c (cp_parser_parameter_declaration_list): Remove
1548         bool* parameter.
1549         (cp_parser_parameter_declaration_clause): Adjust.
1550         (cp_parser_cache_defarg): Likewise.
1552 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
1554         PR c++/84588
1555         * parser.c (cp_parser_maybe_commit_to_declaration,
1556         cp_parser_check_condition_declarator): New.
1557         (cp_parser_simple_declaration): Use the first above.
1558         (cp_parser_condition): Use both the above; enforce
1559         [stmt.stmt]/2 about the declarator not specifying
1560         a function or an array; improve error-recovery.
1562 2018-05-20  Jason Merrill  <jason@redhat.com>
1564         PR libstdc++/85843 - warning in logic_error copy constructor.
1565         * class.c (type_has_user_nondefault_constructor): Check for a
1566         user-provided ctor, not user-declared.
1568 2018-05-19  Jason Merrill  <jason@redhat.com>
1570         * pt.c (tsubst_pack_expansion): Sorry rather than abort
1571         on __integer_pack as subexpression of pattern.
1573 2018-05-18  Jason Merrill  <jason@redhat.com>
1575         PR c++/58407 - deprecated implicit copy ops.
1576         * call.c (build_over_call): Warn about deprecated trivial fns.
1577         * class.c (classtype_has_user_copy_or_dtor): New.
1578         (type_build_ctor_call): Check TREE_DEPRECATED.
1579         (type_build_dtor_call): Likewise.
1580         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1581         Add checks.  Return bool.  Handle -Wdeprecated-copy.
1582         (mark_used): Use it.
1583         * decl.c (grokdeclarator): Remove redundant checks.
1584         * typeck2.c (build_functional_cast): Likewise.
1585         * method.c (lazily_declare_fn): Mark deprecated copy ops.
1586         * init.c (build_aggr_init): Only set TREE_USED if there are
1587         side-effects.
1589 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
1591         PR c++/85782
1592         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1593         OACC_LOOPs.
1595 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
1597         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1598         (potential_constant_expression_1): Likewise.
1600 2018-05-16  Marek Polacek  <polacek@redhat.com>
1602         PR c++/85363
1603         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1604         * tree.c (bot_manip): Call set_flags_from_callee for
1605         AGGR_INIT_EXPRs too.
1607 2018-05-15  Jason Merrill  <jason@redhat.com>
1609         * cp-tree.h (cp_expr): Remove copy constructor.
1610         * mangle.c (struct releasing_vec): Declare copy constructor.
1612         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1614         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1615         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1616         is a throw-expression.
1618 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
1620         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1621         (FOR_EACH_CLONE): Update.
1622         * decl.c (grokdeclarator): Use it.
1623         * decl2.c (vague_linkage_p): Likewise.
1624         * mangle.c (mangle_decl): Likewise.
1625         * method.c (lazily_declare_fn): Likewise.
1626         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1627         * repo.c (repo_emit_p): Likewise.
1628         * tree.c (decl_linkage): Likewise.
1630 2018-05-14  Jason Merrill  <jason@redhat.com>
1632         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1633         * tree.c (build_cp_fntype_variant): New.
1634         (build_ref_qualified_type, build_exception_variant)
1635         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1636         (cxx_type_hash_eq, cp_check_qualified_type): Check
1637         TYPE_HAS_LATE_RETURN_TYPE.
1638         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1639         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1640         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1641         (adjust_clone_args): Likewise.
1642         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
1643         build_cp_fntype_variant.
1644         (grokdeclarator): Pass late_return_type_p to grokfndecl.
1645         (check_function_type): Use cxx_copy_lang_qualifiers.
1646         (static_fn_type): Use cxx_copy_lang_qualifiers.
1647         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1648         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1649         (change_return_type): Use cxx_copy_lang_qualifiers.
1650         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1651         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1652         return type on the declarator like a normal trailing return type.
1653         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1654         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1655         * typeck.c (merge_types): Use build_cp_fntype_variant.
1657 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
1659         * cp-tree.h (TYPE_REF_P): New.
1660         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1661         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1662         direct_reference_binding, reference_binding, implicit_conversion,
1663         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1664         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1665         build_over_call, perform_implicit_conversion_flags,
1666         extend_ref_init_temps, type_has_extended_temps): Use it.
1667         * class.c (one_inheriting_sig, check_field_decls,
1668         check_bases_and_members, find_flexarrays, finish_struct,
1669         fixed_type_or_null): Likewise.
1670         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1671         non_const_var_error, cxx_eval_constant_expression,
1672         potential_constant_expression_1): Likewise.
1673         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1674         cp_genericize_r, cxx_omp_privatize_by_reference,
1675         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1676         cp_fold_maybe_rvalue): Likewise.
1677         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1678         * cvt.c (build_up_reference, convert_to_reference,
1679         convert_from_reference, convert_to_void, noexcept_conv_p,
1680         fnptr_conv_p): Likewise.
1681         * decl.c (poplevel, check_for_uninitialized_const_var,
1682         check_initializer, initialize_local_var, cp_finish_decl,
1683         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1684         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1685         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1686         decl_maybe_constant_var_p): Likewise.
1687         * error.c (dump_type_prefix, dump_expr): Likewise.
1688         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1689         is_admissible_throw_operand_or_catch_parameter): Likewise.
1690         * expr.c (mark_use): Likewise.
1691         * init.c (build_zero_init_1, build_value_init_noctor,
1692         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1693         build_new, build_delete): Likewise.
1694         * lambda.c (build_lambda_object): Likewise.
1695         * mangle.c (write_expression, write_template_arg): Likewise.
1696         * method.c (forward_parm, do_build_copy_constructor,
1697         do_build_copy_assign, build_stub_object, constructible_expr,
1698         walk_field_subobs): Likewise.
1699         * parser.c (cp_parser_omp_for_loop_init,
1700         cp_parser_omp_declare_reduction_exprs,
1701         cp_parser_omp_declare_reduction): Likewise.
1702         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1703         convert_template_argument, tsubst_pack_expansion,
1704         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1705         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1706         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1707         value_dependent_expression_p, build_deduction_guide): Likewise.
1708         * semantics.c (finish_handler_parms, finish_non_static_data_member,
1709         finish_compound_literal, omp_privatize_field,
1710         handle_omp_array_sections_1, handle_omp_array_sections,
1711         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1712         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1713         finish_omp_clauses, finish_decltype_type, capture_decltype,
1714         finish_builtin_launder): Likewise.
1715         * tree.c (lvalue_kind, cp_build_reference_type, move,
1716         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1717         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1718         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1719         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1720         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1721         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1722         convert_for_initialization,
1723         maybe_warn_about_returning_address_of_local, check_return_expr,
1724         cp_type_quals, casts_away_constness, non_reference): Likewise.
1725         * typeck2.c (cxx_readonly_error, store_init_value,
1726         process_init_constructor_record, build_x_arrow, build_functional_cast,
1727         add_exception_specifier): Likewise.
1729 2018-05-14  Jason Merrill  <jason@redhat.com>
1731         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1732         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1734 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
1736         PR c/85696
1737         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1738         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1739         cxx_omp_predetermined_sharing_1.  Rename old function to ...
1740         (cxx_omp_predetermined_sharing_1): ... this.
1741         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1742         instead of cxx_omp_predetermined_sharing.
1744 2018-05-10  Jason Merrill  <jason@redhat.com>
1746         * decl.c (cp_finish_decl): Don't instantiate auto variable.
1747         (check_static_variable_definition): Allow auto.
1748         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1750         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1751         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1753         Core issue 2310 - conversion to base of incomplete type.
1754         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1756         CWG 2267 - list-initialization of reference temporary
1757         * call.c (reference_binding): List-initializing a reference
1758         temporary is copy-list-initialization.
1760         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1762         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1763         instantiation in template context.
1765         * class.c (vbase_has_user_provided_move_assign): Use
1766         user_provided_p.
1768         * lambda.c (lambda_expr_this_capture): Improve logic.
1770         * decl.c (make_typename_type): s/parameters/arguments/.
1771         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1772         * pt.c (make_pack_expansion): Correct error message.
1774 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
1776         PR c++/85662
1777         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1778         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1779         fold_convert.
1781 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1783         PR c++/85400
1784         * decl2.c (adjust_var_decl_tls_model): New static function.
1785         (comdat_linkage): Call it on a variable.
1786         (maybe_make_one_only): Likewise.
1788 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
1790         PR c++/85713
1791         Revert:
1792         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
1794         PR c++/84588
1795         * parser.c (cp_parser_parameter_declaration_list): When the
1796         entire parameter-declaration-list is erroneous maybe call
1797         abort_fully_implicit_template.
1799 2018-05-08  Jason Merrill  <jason@redhat.com>
1801         PR c++/85706 - class deduction under decltype
1802         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
1803         *walk_subtrees whether or not we walked into the operand.
1804         (type_uses_auto): Only look at deduced contexts.
1806 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
1808         PR c++/84588
1809         * parser.c (cp_parser_parameter_declaration_list): When the
1810         entire parameter-declaration-list is erroneous maybe call
1811         abort_fully_implicit_template.
1813 2018-05-08  Marek Polacek  <polacek@redhat.com>
1815         PR c++/85695
1816         * semantics.c (finish_if_stmt_cond): See through typedefs.
1818 2018-05-07  Jason Merrill  <jason@redhat.com>
1820         PR c++/85646 - lambda visibility.
1821         * decl2.c (determine_visibility): Don't mess with template arguments
1822         from the containing scope.
1823         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1824         thunk.
1826 2018-05-07  Nathan Sidwell  <nathan@acm.org>
1828         Remove fno-for-scope
1829         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1830         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1831         (SET_DECL_SHADOWED_FOR_VAR): Delete.
1832         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1833         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1834         Don't declare.
1835         * name-lookup.h (struct cp_binding_level): Remove
1836         dead_vars_from_for field.
1837         * cp-lang.c (cp_init_ts): Delete.
1838         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1839         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1840         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1841         (init_shadowed_var_for_decl): Delete.
1842         * decl.c (poplevel): Remove shadowed for var handling.
1843         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1844         * name-lookup.c (find_local_binding): Remove shadowed for var
1845         handling.
1846         (check_local_shadow): Likewise.
1847         (check_for_out_of_scope_variable): Delete.
1848         * parser.c (cp_parser_primary_expression): Remove shadowed for var
1849         handling.
1850         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1851         * semantics.c (begin_for_scope): Always have a scope.
1852         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1853         (begin_range_for_stmt, finish_id_expression): Likewise.
1855 2018-05-07  Jason Merrill  <jason@redhat.com>
1857         PR c++/85618 - ICE with initialized VLA.
1858         * tree.c (vla_type_p): New.
1859         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1860         rather than array_of_runtime_bound_p.
1862 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
1864         * cvt.c (ocp_convert): Early handle the special case of a
1865         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1867 2018-05-03  Jason Merrill  <jason@redhat.com>
1869         PR c++/85600 - virtual delete failure.
1870         * init.c (build_delete): Always save_expr when deleting.
1872 2018-05-03  Nathan Sidwell  <nathan@acm.org>
1874         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1875         * name-lookup.c (do_pushdecl): Likewise.
1877 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
1878             Jason Merrill  <jason@redhat.com>
1880         PR c++/68374
1881         * name-lookup.c (check_local_shadow): Don't handle static old
1882         declarations in the block handling locals shadowing locals.
1884 2018-05-01  Jason Merrill  <jason@redhat.com>
1886         PR c++/85587 - error with scoped enum in template.
1887         * semantics.c (finish_qualified_id_expr): Don't return an
1888         unqualified IDENTIFIER_NODE.
1890 2018-04-30  Jason Merrill  <jason@redhat.com>
1892         PR c++/85580 - extern "C" and local variables
1893         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1895         PR c++/84701 - unsigned typeof.
1896         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1897         of long/short/signed/unsigned.
1899         PR c++/85305 - pack in lambda init-capture.
1900         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1901         check_for_bare_parameter_packs in a subexpression.
1902         (cp_parser_lambda_introducer): Use it.
1904         PR c++/61982 - dead stores to destroyed objects.
1905         * call.c (build_trivial_dtor_call): New, assigns a clobber.
1906         (build_over_call, build_special_member_call): Use it.
1907         * cp-tree.h: Declare it.
1908         * init.c (build_delete): Remove trivial path.
1910         * init.c (build_dtor_call): Use build_special_member_call.
1911         (build_delete): Remove redundant uses of save_addr.
1913         * decl.c (build_clobber_this): Use build_clobber.
1915 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
1917         PR c++/85553
1918         * init.c (build_zero_init_1): For zero initialization of
1919         NULLPTR_TYPE_P type use build_int_cst directly.
1921 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
1923         PR c++/85515
1924         * name-lookup.c (consider_binding_level): Skip compiler-generated
1925         variables.
1926         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1927         nested if statements into a series of rejection tests.  Reject
1928         lambda-ignored entities as suggestions.
1930 2018-04-27  Jason Merrill  <jason@redhat.com>
1932         * cvt.c (cp_fold_convert): Use convert_ptrmem.
1933         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1935 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
1937         PR c++/84691
1938         * decl.c (grokdeclarator): Clear friendp upon definition in local
1939         class definition error.
1941 2018-04-27  Jason Merrill  <jason@redhat.com>
1943         PR c++/85545 - ICE with noexcept PMF conversion.
1944         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1945         build_ptrmemfunc.
1946         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1947         adjustment.
1948         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1950 2018-04-27  Nathan Sidwell  <nathan@acm.org>
1952         * typeck.c (convert_ptrmem): Move local var decls to initialization.
1954         * cp-tree.h (TEMPLATE_INFO): Fix comments.
1955         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1956         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1957         (dump, print_other_binding_stacks): Remove declarations.
1958         * name-lookup.c (print_other_binding_stack): Make static.
1959         * pt.c (build_template_decl): Make static.
1961 2018-04-26  Jason Merrill  <jason@redhat.com>
1963         PR c++/85545 - ICE with noexcept PMF conversion.
1964         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1966 2018-04-25  Nathan Sidwell  <nathan@acm.org>
1968         PR c++/85437
1969         PR c++/49171
1970         * cp-tree.h (REINTERPRET_CAST_P): New.
1971         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1972         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
1973         for non-trivial PTRMEM_CST cases.
1974         * typeck.c (build_nop_reinterpret): New.
1975         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
1976         NOP_EXPRs returned by cp_convert.
1978 2018-04-23  Jason Merrill  <jason@redhat.com>
1980         PR c++/69560 - wrong alignof(double) on x86.
1981         CWG 1879 - Inadequate definition of alignment requirement.
1982         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1983         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1984         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1985         (cxx_alignof_expr): Pass it.
1986         * parser.c (cp_parser_unary_expression): Pass it.
1987         * pt.c (tsubst_copy): Copy it.
1988         (tsubst_copy_and_build): Pass it.
1989         * decl.c (fold_sizeof_expr): Pass it.
1991 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
1992             Jason Merrill  <jason@redhat.com>
1994         PR c++/85470 - wrong error with static data member.
1995         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1996         * typeck2.c (store_init_value): Likewise.
1998 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
2000         PR c++/85462
2001         * cp-tree.h (tinst_level): Remove in_system_header_p member,
2002         change refcount member from unsigned char to unsigned short,
2003         add refcount_infinity static data member, adjust comments.
2004         * pt.c (tinst_level::refcount_infinity): Define.
2005         (inc_refcount_use): Remove assert, don't increment if refcount
2006         is already refcount_infinity, adjust comment.
2007         (dec_refcount_use): Remove assert, don't decrement if refcount
2008         is refcount_infinity, adjust comment.
2009         (push_tinst_level_loc): Formatting fix.
2011 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
2013         PR c++/84611
2014         * pt.c (lookup_template_class_1): Check pushtag return value for
2015         error_mark_node.
2017 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
2019         PR c++/80290
2020         * cp-tree.h (tinst_level::free): Fix whitespace.
2022 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
2024         PR c++/84630
2025         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
2026         for error_mark_node.
2028 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
2030         PR c++/84463
2031         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
2032         tricks from here to ...
2033         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
2034         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
2036 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
2038         PR c++/80290
2039         * cp-tree.h (struct tinst_level): Split decl into tldcl and
2040         targs.  Add private split_list_p, tree_list_p, and not_list_p
2041         inline const predicates; to_list private member function
2042         declaration; free public member function declaration; list_p,
2043         get_node and maybe_get_node accessors, and refcount data
2044         member.  Narrow errors to unsigned short.
2045         * error.c (print_instantiation_full_context): Use new
2046         accessors.
2047         (print_instantiation_partial_context_line): Likewise.  Drop
2048         const from tinst_level-typed parameter.
2049         * mangle.c (mangle_decl_string): Likewise.
2050         * pt.c (freelist): New template class.
2051         (tree_list_freelist_head): New var.
2052         (tree_list_freelist): New fn, along with specializations.
2053         (tinst_level_freelist_head): New var.
2054         (pending_template_freelist_head): Likewise.
2055         (tinst_level_freelist, pending_template_freelist): New fns.
2056         (tinst_level::to_list, tinst_level::free): Define.
2057         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
2058         (set_refcount_ptr): New template fn.
2059         (add_pending_template): Adjust for refcounting, freelists and
2060         new accessors.
2061         (neglectable_inst_p): Take a NULL d as a non-DECL.
2062         (limit_bad_template_recursion): Use new accessors.
2063         (push_tinst_level): New overload to create the list.
2064         (push_tinst_level_loc): Make it static, split decl into two
2065         args, adjust tests and initialization to cope with split
2066         lists, use freelist, adjust for refcounting.
2067         (push_tinst_level_loc): New wrapper with the old interface.
2068         (pop_tinst_level): Adjust for refcounting.
2069         (record_last_problematic_instantiation): Likewise.
2070         (reopen_tinst_level): Likewise.  Use new accessors.
2071         (instantiate_alias_template): Adjust for split list.
2072         (fn_type_unification): Likewise.
2073         (get_partial_spec_bindings): Likewise.
2074         (instantiate_pending_templates): Use new accessors.  Adjust
2075         for refcount.  Release pending_template to freelist.
2076         (instantiating_current_function_p): Use new accessors.
2078 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
2080         PR c++/85039
2081         * parser.c (cp_parser_builtin_offset): Reject type definitions.
2082         * mangle.c (nested_anon_class_index): Avoid crash returning -1
2083         if we've seen errors.
2085 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
2087         PR c++/85385
2088         * name-lookup.c (macro_use_before_def::maybe_make): New function,
2089         checking that the use is indeed before the definition.
2090         (macro_use_before_def::macro_use_before_def): Make private.
2091         (macro_use_before_def::~macro_use_before_def): Make private.  Move
2092         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
2093         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
2094         than using new directly.
2096 2018-04-12  Jason Merrill  <jason@redhat.com>
2098         PR c++/85356 - ICE with pointer to member function.
2099         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
2100         flag_noexcept_type.  Build the new spec within the function context.
2101         * except.c (build_noexcept_spec): Do get constant value in templates
2102         if flag_noexcept_type.
2103         * decl.c (check_redeclaration_exception_specification): Don't
2104         instantiate noexcept on a dependent declaration.
2106 2018-04-12  Marek Polacek  <polacek@redhat.com>
2108         PR c++/85258
2109         * constexpr.c (reduced_constant_expression_p): Return false for null
2110         trees.
2112 2018-04-11  Marek Polacek  <polacek@redhat.com>
2114         PR c++/85032
2115         * constexpr.c (potential_constant_expression_1): Consider conversions
2116         from classes to literal types potentially constant.
2118 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
2120         PR c++/70808
2121         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
2122         the type like TYPE_PTR_OR_PTRMEM_P.
2124 2018-04-10  Jason Merrill  <jason@redhat.com>
2126         PR debug/65821 - wrong location for main().
2127         * call.c (clear_location_r, convert_default_arg): Revert.
2128         * tree.c (break_out_target_exprs): Add clear_location parm.
2129         (struct bot_data): New.
2130         (bot_manip): Clear location if requested.
2131         * init.c (get_nsdmi): Pass clear_location.
2133 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
2135         PR c++/85110
2136         * call.c (get_fndecl_argument_location): Make non-static.
2137         * cp-tree.h (get_fndecl_argument_location): New decl.
2138         * typeck.c (convert_for_assignment): When complaining due to
2139         conversions for an argument, show the location of the parameter
2140         within the decl.
2142 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
2144         PR c++/85312 - P0962 cleanup
2145         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
2146         diagnostics.
2148 2018-04-10  Jason Merrill  <jason@redhat.com>
2150         PR debug/65821 - wrong location for main().
2151         * call.c (clear_location_r): New.
2152         (convert_default_arg): Use it.
2153         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
2155         PR c++/85285 - ICE with flexible array after substitution.
2156         * pt.c (instantiate_class_template_1): Check for flexible array in
2157         union.
2159 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
2161         PR c++/85227
2162         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
2163         issue a pedwarn and defer trying to do bindings.
2165 2018-04-09  Jason Merrill  <jason@redhat.com>
2167         PR c++/85279 - dump_expr doesn't understand decltype.
2168         * error.c (dump_expr): Handle DECLTYPE_TYPE.
2170         PR c++/85262 - ICE with redundant qualification on constructor.
2171         * call.c (build_new_method_call_1): Move make_args_non_dependent
2172         after A::A() handling.
2174         PR c++/85277 - ICE with invalid offsetof.
2175         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2176         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2178         PR c++/85264 - ICE with excess template-parameter-list.
2179         * parser.c (cp_parser_check_template_parameters): Add template_id_p
2180         parameter.  Don't allow an extra template header if true.
2181         (cp_parser_class_head): Pass template_id_p.
2182         (cp_parser_elaborated_type_specifier): Likewise.
2183         (cp_parser_alias_declaration): Likewise.
2184         (cp_parser_check_declarator_template_parameters): Likewise.
2186 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
2188         PR c++/85194
2189         * parser.c (cp_parser_simple_declaration): For structured bindings,
2190         if *maybe_range_for_decl is NULL after parsing it, set it to
2191         error_mark_node.
2193 2018-04-09  Jason Merrill  <jason@redhat.com>
2195         PR c++/85256 - ICE capturing pointer to VLA.
2196         * lambda.c (add_capture): Distinguish between variable-size and
2197         variably-modified types.
2199 2018-04-06  Jason Merrill  <jason@redhat.com>
2201         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2202         * pt.c (extract_locals_r): Remember local typedefs.
2204 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
2206         PR c++/84269
2207         * name-lookup.c (struct std_name_hint): Move out of
2208         get_std_name_hint; add field "min_dialect".
2209         (get_std_name_hint): Add min_dialect values to all initializers.
2210         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2211         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2212         <shared_mutex>, <string_view>, <thread>, and <variant>.
2213         Add fstream, ifstream, and ofstream to <fstream>.
2214         Add istringstream, ostringstream, and stringstream to <sstream>.
2215         Add basic_string to <string>.
2216         Add tuple_element and tuple_size to <tuple>.
2217         Add declval to <utility>.
2218         Fix ordering of <queue> and <tuple>.
2219         Return a std_name_hint, rather than a const char *.
2220         (get_cxx_dialect_name): New function.
2221         (maybe_suggest_missing_std_header): Detect names that aren't yet
2222         available in the current dialect, and instead of suggesting a
2223         missing #include, warn about the dialect.
2225 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
2227         PR c++/85210
2228         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2229         errorcount is set if tsubst doesn't return a VAR_DECL.
2231 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
2233         PR c++/85021
2234         * name-lookup.c (using_directives_contain_std_p): New function.
2235         (has_using_namespace_std_directive_p): New function.
2236         (suggest_alternatives_for): Simplify if/else logic using early
2237         returns.  If no candidates were found, and there's a
2238         "using namespace std;" directive, call
2239         maybe_suggest_missing_std_header.
2240         (maybe_suggest_missing_header): Split later part of the function
2241         into..
2242         (maybe_suggest_missing_std_header): New.
2244 2018-04-06  Jason Merrill  <jason@redhat.com>
2246         PR c++/85242 - ICE with class definition in template parm.
2247         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2248         processing_template_parmlist.
2250         PR c++/85240 - LTO ICE with using of undeduced auto fn.
2251         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2253 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
2255         PR c++/85209
2256         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2257         is not prev, if prev == decl.
2259         PR c++/85208
2260         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2261         maybe_apply_pragma_weak here...
2262         (cp_maybe_mangle_decomp): ... but call it here instead.
2264 2018-04-05  Jason Merrill  <jason@redhat.com>
2266         PR c++/85136 - ICE with designated init in template.
2267         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2268         designated initializer.
2269         (check_array_designated_initializer): Update ce->index with the
2270         constant value.
2272         PR c++/83808 - ICE with VLA initialization.
2273         * typeck2.c (process_init_constructor_array): Don't require a VLA
2274         initializer to have VLA type.
2276 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
2278         PR c++/80956
2279         * call.c (convert_like_real): Fail gracefully for a broken
2280         std::initializer_list, missing a definition.
2282         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2284 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
2286         PR c++/84792
2287         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2288         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2290 2018-04-05  Jason Merrill  <jason@redhat.com>
2292         PR c++/82152 - ICE with class deduction and inherited ctor.
2293         * pt.c (do_class_deduction): Ignore inherited ctors.
2295         PR c++/84665 - ICE with array of empty class.
2296         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2298         PR c++/85228 - ICE with lambda in enumerator in template.
2299         * pt.c (bt_instantiate_type_proc): Don't assume
2300         CLASSTYPE_TEMPLATE_INFO is non-null.
2302 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
2304         Implement P0969
2305         * decl.c (find_decomp_class_base): Check accessibility instead
2306         of declared access, adjust diagnostic.
2308 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
2310         Implement P0961
2311         * decl.c (get_tuple_decomp_init): Check the templatedness
2312         of a member get.
2314 2018-04-05  Jason Merrill  <jason@redhat.com>
2316         PR c++/85200 - ICE with constexpr if in generic lambda.
2317         * pt.c (extract_locals_r): Don't record the local specs of variables
2318         declared within the pattern.
2320 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
2322         PR c++/84979
2323         * pt.c (check_auto_in_tmpl_args): New.
2324         (tsubst_qualified_id): Use it to reject template args
2325         referencing auto for non-type templates.
2326         * parser.c (cp_parser_template_id): Likewise.
2327         * cp-tree.h (check_auto_in_tmpl_args): Declare.
2328         * typeck2.c (build_functional_cast): Report correct location
2329         for invalid use of auto.
2331 2018-04-04  Jason Merrill  <jason@redhat.com>
2333         PR c++/85215 - ICE with copy-init from conversion.
2334         * call.c (merge_conversion_sequences): Fix type of direct binding
2335         sequence.
2337         PR c++/84938 - ICE with division by ~-1.
2338         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2340         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2341         * parser.c (cp_parser_mem_initializer_list): Call
2342         check_for_bare_parameter_packs.
2344 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
2346         PR inline-asm/85172
2347         * constexpr.c (cxx_eval_builtin_function_call): For calls to
2348         builtin_valid_in_constant_expr_p functions, don't call
2349         cxx_eval_constant_expression if argument is not
2350         potential_constant_expression.
2352         PR c++/85146
2353         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2354         argument.
2355         * semantics.c (calculate_bases): Add complain argument.  Use
2356         complete_type_or_maybe_complain instead of just complete_type and
2357         return an empty vector if it fails.  Move make_tree_vector () call
2358         after early return.  Formatting fixes.
2359         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
2360         end.
2361         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2362         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2363         calculate_direct_bases callers, formatting fixes.
2365 2018-04-04  Jason Merrill  <jason@redhat.com>
2367         PR c++/85006 - -fconcepts ICE with A<auto...> return type
2368         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2370         PR c++/85200 - ICE with constexpr if in generic lambda.
2371         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2373         PR c++/84221 - bogus -Wunused with attribute and template.
2374         * decl2.c (is_late_template_attribute): Handle unused and used
2375         normally on non-TYPE_DECL.
2377         PR c++/85135 - ICE with omitted template arguments.
2378         * decl.c (grokdeclarator): Catch deduced class type in trailing
2379         return type.
2381         PR c++/85133 - ICE with missing concept initializer.
2382         * decl.c (cp_finish_decl): If a concept initializer is missing, use
2383         true.
2385         PR c++/85118 - wrong error with generic lambda and std::bind.
2386         * call.c (add_template_conv_candidate): Disable if there are any
2387         call operators.
2389         PR c++/85141 - ICE with compound assignment and static member fn.
2390         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2391         compound assignment.
2393         PR c++/85148 - ICE with 'this' in array NSDMI.
2394         * tree.c (replace_placeholders_r): Use handled_component_p.
2396 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
2398         PR c++/65923
2399         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2400         * parser.c (cp_parser_unqualified_id): ..not here.
2402 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
2404         PR c++/84943
2405         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2406         used.
2407         * decl2.c (mark_used): Return without effects if tf_conv.
2409 2018-04-03  Jason Merrill  <jason@redhat.com>
2411         PR c++/85092 - C++17 ICE with unused list constructor.
2412         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2413         from a TARGET_EXPR.
2415         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2416         * constexpr.c (cxx_eval_builtin_function_call): Only defer
2417         __builtin_constant_p if ctx->quiet.
2419 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
2421         PR c++/84768
2422         * pt.c (rewrite_template_parm): If the first argument is
2423         error_mark_node return it immediately.
2424         (build_deduction_guide): Check the return value of the
2425         latter for error_mark_node.
2426         (do_class_deduction): Check the return value of the latter.
2428 2018-04-03  Jason Merrill  <jason@redhat.com>
2430         * semantics.c (finish_if_stmt_cond): Use
2431         instantiation_dependent_expression_p.
2433         PR c++/85149 - generic lambda and constexpr if.
2434         * pt.c (build_extra_args, add_extra_args): Split from
2435         tsubst_pack_expansion.
2436         (tsubst_expr) [IF_STMT]: Use them.
2437         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2439         * typeck.c (merge_types): Limit matching attribute shortcut to
2440         the default case.
2442 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
2444         PR c++/85147
2445         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2447         PR c++/85140
2448         * name-lookup.c (handle_namespace_attrs): Return early if attributes
2449         is error_mark_node.
2451         PR c++/85134
2452         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2453         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2454         instead for static data members clear init and set DECL_EXTERNAL.
2456 2018-04-02  Jason Merrill  <jason@redhat.com>
2458         PR c++/64095 - auto... parameter pack.
2459         * parser.c (cp_parser_parameter_declaration): Handle turning autos
2460         into packs here.
2461         (cp_parser_parameter_declaration_list): Not here.
2463 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
2465         PR c++/85027
2466         * class.c (instantiate_type): Peel off SAVE_EXPR before
2467         BASELINK.
2469 2018-03-30  Jason Merrill  <jason@redhat.com>
2471         * typeck2.c (process_init_constructor_record): Use
2472         init_list_type_node for the CONSTRUCTOR around an anonymous union
2473         designated initializer.
2475 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
2477         PR c++/84791
2478         * semantics.c (finish_omp_reduction_clause): If
2479         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2480         even if processing_template_decl.
2482 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
2484         PR c++/84269
2485         * name-lookup.c (get_std_name_hint): Add names from <memory>,
2486         <tuple>, and <utility>.
2488 2018-03-29  Jason Merrill  <jason@redhat.com>
2490         PR c++/85093 - too many template args with pack expansion.
2491         * pt.c (coerce_template_parms): Keep pack expansion args that will
2492         need to be empty.
2494 2018-03-29  Jason Merrill  <jason@redhat.com>
2496         * pt.c (build_non_dependent_expr): Propagate expr location.
2498 2018-03-27  Jason Merrill  <jason@redhat.com>
2500         PR c++/85060 - wrong-code with call to base member in template.
2501         * search.c (any_dependent_bases_p): Check uses_template_parms
2502         rather than processing_template_decl.
2504 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
2506         PR c++/85110
2507         * typeck.c (convert_for_assignment): When complaining due to
2508         conversions for an argument, attempt to use the location of the
2509         argument.
2511 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
2513         PR c++/85028
2514         * pt.c (tsubst_default_argument): Early return if the type of the
2515         parameter is erroneous.
2517 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
2519         PR c++/84973
2520         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2521         templates.
2523         PR c++/84968
2524         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2526 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
2528         PR c++/85067
2529         * method.c (defaulted_late_check): Partially revert r253321 changes,
2530         do not early return upon error.
2532 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
2534         PR c++/85077
2535         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2536         type call fold to generate VECTOR_CSTs when possible.
2538         PR c++/85076
2539         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2540         return it right away.
2542 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
2544         * search.c (check_final_overrider): Use inform instead of error
2545         for the diagnostics of the overridden functions.  Tweak wording.
2547 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
2549         PR c++/85068
2550         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2551         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
2553 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
2554             Jason Merrill  <jason@redhat.com>
2556         PR c++/84632
2557         * init.c (build_aggr_init): When initializing from array,
2558         reject anything but CONSTRUCTORs and TARGET_EXPRs.
2559         (build_vec_init): Handle separately ARRAY_TYPEs.
2561 2018-03-26  Jason Merrill  <jason@redhat.com>
2563         PR c++/85062 - ICE with alignas in wrong place.
2564         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2565         here.
2567         PR c++/85049 - ICE with __integer_pack.
2568         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2569         * cp-tree.h (TEMPLATE_PARM_P): New.
2571 2018-03-23  Jason Merrill  <jason@redhat.com>
2573         PR c++/78489 - wrong SFINAE behavior.
2575         PR c++/84489
2576         * pt.c (type_unification_real): Don't defer substitution failure.
2578 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
2580         PR c++/85015
2581         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2582         result.
2584         PR c++/84942
2585         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2586         cp_build_unary_op call with gcc_unreachable ().
2588 2018-03-23  Marek Polacek  <polacek@redhat.com>
2590         PR c++/85045
2591         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2592         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
2593         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2595 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
2597         Implement P0962
2598         * parser.c (cp_parser_perform_range_for_lookup): Change
2599         the condition for deciding whether to use members.
2601 2018-03-23  Marek Polacek  <polacek@redhat.com>
2603         PR c++/85033
2604         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2606 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
2608         PR c++/71251
2609         * parser.c (cp_parser_alias_declaration): Call
2610         parser_check_template_parameters.
2612         PR c++/84789
2613         * pt.c (resolve_typename_type): Drop assert that stopped
2614         simplification to template-independent types.  Add assert to
2615         verify the initial scope is template dependent.
2616         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2617         Reparse the id expression as a type-name, not a declarator.
2619         PR c++/84729
2620         * init.c (build_vec_init): Error at parenthesized array init.
2622         PR c++/84610
2623         PR c++/84642
2624         PR c++/84942
2625         * cp-tree.h (temp_override): New template class, generalizing
2626         a cleanup that was only used...
2627         * parser.c (cp_parser_parameter_declaration_clause):
2628         ... here for auto_is_implicit_function_template_parm_p.
2629         (cp_parser_gnu_attributes_opt): Use it here as well.
2630         (cp_parser_std_attribute): Likewise.
2632 2018-03-22  Marek Polacek  <polacek@redhat.com>
2634         PR c++/84854
2635         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2636         is boolean.
2638 2018-03-21  Jason Merrill  <jason@redhat.com>
2640         PR c++/81311 - wrong C++17 overload resolution.
2641         * call.c (build_user_type_conversion_1): Remove C++17 code.
2642         (conv_binds_ref_to_prvalue): New.
2643         (build_over_call): Handle C++17 copy elision.
2644         (build_special_member_call): Only do C++17 copy elision here if the
2645         argument is already the right type.
2647 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
2649         PR c++/71965
2650         * init.c (build_vec_init): Silence error, former sorry,
2651         without tf_error.
2653         PR c++/84610
2654         PR c++/84642
2655         * parser.c (abort_fully_implicit_template_p): New.
2656         (cp_parser_skip_to_end_of_statement): Use it.
2657         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2658         (finish_fully_implicit_template_p): Clear
2659         implicit_template_parms and implicit_template_scope.
2661 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
2663         PR c++/84972
2664         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2665         error_mark_node when check_array_designated_initializer fails.
2667 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
2669         PR c++/84961
2670         * cp-tree.h (genericize_compound_lvalue): Declare.
2671         * typeck.c (genericize_compound_lvalue): New function.
2672         (unary_complex_lvalue, cp_build_modify_expr): Use it.
2673         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2674         and PREDECREMENT_EXPR in output and "m" constrained input operands with
2675         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
2676         COMPOUND_EXPR operand.
2678 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2680         PR c++/85008
2681         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2682         * decl2.c (vague_linkage_p): Likewise.
2684 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
2686         PR c++/84994
2687         * constexpr.c (constexpr_fn_retval): Make non-"static".
2688         * cp-tree.h (constexpr_fn_retval): New decl.
2689         * search.c (direct_accessor_p): Update leading comment.
2690         (reference_accessor_p): Likewise.
2691         (field_accessor_p): Replace check that function body is a
2692         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
2693         indentation of "field_type" decl.
2695 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2697         PR c++/84804
2698         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2699         complete classes.
2701 2018-03-21  Martin Sebor  <msebor@redhat.com>
2703         PR c++/84850
2704         * call.c (first_non_public_field): New template and function.
2705         (first_non_trivial_field): New function.
2706         (maybe_warn_class_memaccess): Call them.
2708 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
2710         PR c++/84892
2711         * search.c (field_accessor_p): Use class_of_this_parm rather than
2712         type_of_this_parm, to check that "this" is a "const T *", rather
2713         than a "T *const".
2715 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2717         * class.c (finish_struct_anon_r): Refactor, deprecate anything
2718         other than public non-static data members.
2719         * parser.c (cp_parser_init_declarator): Deprecate attributes after
2720         parenthesized initializer.
2722         PR c++/84836
2723         * name-lookup.c (update_binding): Correct logic for local binding
2724         update.
2726 2018-03-21  Marek Polacek  <polacek@redhat.com>
2728         PR c++/71638, ICE with NSDMI and reference.
2729         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2730         even when we replace an element.
2732 2018-03-20  Marek Polacek  <polacek@redhat.com>
2734         PR c++/84978, ICE with NRVO.
2735         * constexpr.c (cxx_eval_constant_expression): Handle the case when
2736         a RESULT_DECL isn't in the hash map.
2738 2018-03-20  Jason Merrill  <jason@redhat.com>
2740         PR c++/84978, ICE with NRVO.
2741         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2742         (cp_get_callee_fndecl_nofold): New.
2743         * cp-gimplify.c (cp_genericize_r): Use it instead.
2744         * call.c (check_self_delegation): Likewise.
2746 2018-03-20  Nathan Sidwell  <nathan@acm.org>
2748         PR c++/84962
2749         * name-lookup.c (pushdecl_class_level): Push anon-struct's
2750         member_vec, if there is one.
2752         PR c++/84970
2753         * cp-tree.h (lookup_list_keep): Declare.
2754         * tree.c (lookup_list_keep): New, broken out of ...
2755         (build_min): ... here.  Call it.
2756         * decl.c (cp_finish_decl): Call lookup_list_keep.
2758 2018-03-19  Jason Merrill  <jason@redhat.com>
2760         PR c++/84937 - ICE with class deduction and auto.
2761         * pt.c (rewrite_template_parm): Fix auto handling.
2763 2018-03-19  Marek Polacek  <polacek@redhat.com>
2765         PR c++/84925
2766         * pt.c (enclosing_instantiation_of): Check if fn is null.
2768         PR c++/84927
2769         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2770         as we evaluate the elements.
2771         (cxx_eval_constant_expression): Verify constructor's flags
2772         unconditionally.
2774 2018-03-19  Jason Merrill  <jason@redhat.com>
2776         PR c++/71834 - template-id with too few arguments.
2777         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2779 2018-03-19  Nathan Sidwell  <nathan@acm.org>
2781         PR c++/84835
2782         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2783         * pt.c (build_template_decl): Propagate language linkage.
2785         PR c++/84812
2786         * name-lookup.c (set_local_extern_decl_linkage): Defend against
2787         ambiguous lookups.
2789 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2791         PR c/84910
2792         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2793         diagnostics.
2794         * method.c (synthesize_method): Likewise.
2795         * pt.c (convert_nontype_argument): Likewise.
2797 2018-03-16  Jason Merrill  <jason@redhat.com>
2799         PR c++/84720 - ICE with rvalue ref non-type argument.
2800         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2801         (convert_nontype_argument): Revert earlier change.
2803         PR c++/80227 - SFINAE and negative array size.
2804         * decl.c (compute_array_index_type): Use
2805         build_converted_constant_expr and valid_constant_size_p.
2807         PR c++/84906 - silent wrong code with ambiguous conversion.
2808         * call.c (build_user_type_conversion_1): Set need_temporary_p on
2809         ambiguous conversion.
2810         (convert_like_real): Check it.
2812         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2813         * call.c (build_special_member_call): Don't convert an init-list
2814         argument directly to the class type.
2816 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2818         PR c++/79937
2819         PR c++/82410
2820         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2821         (find_placeholder): Declare.
2822         * tree.c (struct replace_placeholders_t): Add exp member.
2823         (replace_placeholders_r): Don't walk into ctors with
2824         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2825         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2826         (replace_placeholders): Initialize data.exp.
2827         (find_placeholders_r, find_placeholders): New functions.
2828         * typeck2.c (process_init_constructor_record,
2829         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2830         if adding NSDMI on which find_placeholder returns true.
2831         * call.c (build_over_call): Don't call replace_placeholders here.
2832         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2833         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2834         TARGET_EXPR_INITIAL.
2835         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2836         ctor.
2838 2018-03-16  Jason Merrill  <jason@redhat.com>
2840         PR c++/83911 - ICE with multiversioned constructor.
2841         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2842         dispatchere here.
2843         * call.c (build_over_call): Not here.
2845 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2847         PR c++/84874
2848         * decl.c (reshape_init_class): Don't assert d->cur->index == field
2849         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2851 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
2853         PR c++/84222
2854         * cp-tree.h (cp_warn_deprecated_use): Declare.
2855         * tree.c (cp_warn_deprecated_use): New function.
2856         * typeck2.c (build_functional_cast): Use it.
2857         * decl.c (grokparms): Likewise.
2858         (grokdeclarator): Likewise.  Temporarily push nested class scope
2859         around grokparms call for out of class member definitions.
2861 2018-03-14  Jason Merrill  <jason@redhat.com>
2863         PR c++/84820 - no error for invalid qualified-id.
2864         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2865         cp_error_declarator.
2867         PR c++/84801 - ICE with unexpanded pack in lambda.
2868         * pt.c (check_for_bare_parameter_packs): Don't return early for a
2869         lambda in non-template context.
2871         PR c++/81236 - auto variable and auto function
2872         * pt.c (tsubst_baselink): Update the type of the BASELINK after
2873         mark_used.
2875 2018-03-14  Jason Merrill  <jason@redhat.com>
2877         PR c++/83916 - ICE with template template parameters.
2878         * pt.c (convert_template_argument): Don't substitute into type of
2879         non-type parameter if we don't have enough arg levels.
2880         (unify): Likewise.
2882 2018-03-14  Marek Polacek  <polacek@redhat.com>
2884         PR c++/84596
2885         * semantics.c (finish_static_assert): Check
2886         instantiation_dependent_expression_p instead of
2887         {type,value}_dependent_expression_p.
2889 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
2890             Jason Merrill  <jason@redhat.com>
2892         PR c++/82336 - link error with list-init default argument.
2893         * decl.c (check_default_argument): Unshare an initializer list.
2895 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
2897         PR c++/84843
2898         * decl.c (duplicate_decls): For redefinition of built-in, use error
2899         and return error_mark_node.  For redeclaration, return error_mark_node
2900         rather than olddecl if !flag_permissive.
2902 2018-03-13  Jason Merrill  <jason@redhat.com>
2904         PR c++/82565 - ICE with concepts and generic lambda.
2905         * pt.c (instantiate_decl): Clear fn_context for lambdas.
2907 2018-03-13  Jason Merrill  <jason@redhat.com>
2909         PR c++/84720 - ICE with rvalue ref non-type argument.
2910         * pt.c (convert_nontype_argument): Handle rvalue references.
2912         PR c++/84839 - ICE with decltype of parameter pack.
2913         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2914         instantiating dummy parms.
2916         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2917         parameter even without -Wpedantic.
2919         PR c++/84798 - ICE with auto in abstract function declarator.
2920         * parser.c (cp_parser_parameter_declaration_clause): Check
2921         parser->default_arg_ok_p.
2923 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
2925         PR c++/84808
2926         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2927         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
2928         sizetype.  Formatting fixes.
2930 2018-03-12  Jason Merrill  <jason@redhat.com>
2932         PR c++/84355 - ICE with deduction for member class template.
2933         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2934         CLASS_PLACEHOLDER_TEMPLATE.
2936         PR c++/84802 - ICE capturing uninstantiated class.
2937         * lambda.c (build_capture_proxy): Call complete_type.
2939 2018-03-09  Jason Merrill  <jason@redhat.com>
2941         PR c++/84770 - ICE with typedef and parameter pack.
2942         * pt.c (verify_unstripped_args_1): Split out from
2943         verify_unstripped_args.
2945         PR c++/84785 - ICE with alias template and default targs.
2946         * pt.c (type_unification_real): Set processing_template_decl if
2947         saw_undeduced == 1.
2949         PR c++/84752 - ICE with capture of constexpr array.
2950         * call.c (standard_conversion): Set rvaluedness_matches_p on the
2951         identity conversion under ck_lvalue.
2953 2018-03-09  Jason Merrill  <jason@redhat.com>
2954             Paolo Carlini  <paolo.carlini@oracle.com>
2956         PR c++/71169
2957         PR c++/71832
2958         * pt.c (any_erroneous_template_args_p): New.
2959         * cp-tree.h (any_erroneous_template_args_p): Declare it.
2960         * parser.c (cp_parser_class_specifier_1): Use it.
2962 2018-03-09  Jason Merrill  <jason@redhat.com>
2964         PR c++/84726 - unnecessary capture of constant vars.
2965         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2966         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2967         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2968         * lambda.c (is_constant_capture_proxy)
2969         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2970         (prune_lambda_captures): New.
2971         (finish_lambda_function): Call prune_lambda_captures.
2973 2018-03-09  Jason Merrill  <jason@redhat.com>
2974             Jakub Jelinek  <jakub@redhat.com>
2976         PR c++/84076
2977         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2978         build ADDR_EXPR with REFERENCE_TYPE.
2979         (build_over_call): For purposes of check_function_arguments, if
2980         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2981         its operand rather than the argument itself.
2983 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
2985         PR c++/84724
2986         * decl.c (duplicate_decls): Don't override __* prefixed builtins
2987         except for __[^b]*_chk, instead issue permerror and for -fpermissive
2988         also a note and return olddecl.
2990 2018-03-09  Nathan Sidwell  <nathan@acm.org>
2992         PR c++/84733
2993         * name-lookup.c (do_pushdecl_with_scope): Only clear
2994         current_function_decl when pushing a non-class (i.e. namespace)
2995         scope.
2997 2018-03-08  Jason Merrill  <jason@redhat.com>
2998             Jakub Jelinek  <jakub@redhat.com>
3000         PR c++/80598
3001         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
3002         not calling mark_used for the benefit of -Wunused-function warning.
3004 2018-03-06  Jason Merrill  <jason@redhat.com>
3006         * lambda.c (is_capture_proxy_with_ref): Remove.
3007         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
3009 2018-03-06  Marek Polacek  <polacek@redhat.com>
3011         PR c++/84684
3012         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
3013         arguments.
3015 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
3017         PR c++/84231
3018         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
3019         only while processing template decls.
3020         * typeck.c (build_x_conditional_expr): Move wrapping of
3021         reference type around type...
3022         * call.c (build_conditional_expr_1): ... here.  Rename
3023         is_lvalue to is_glvalue.
3024         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
3025         INDIRECT_REF of COND_EXPR too.
3027         PR c++/84593
3028         * init.c (build_zero_init_1): Zero-initialize references.
3030         PR c++/84492
3031         * semantics.c (finish_stmt_expr_expr): Reject unresolved
3032         overloads used as stmt expr values.
3034 2018-03-05  Jason Merrill  <jason@redhat.com>
3036         PR c++/84708 - ICE with lambda in local class NSDMI.
3037         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
3038         context.
3040 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
3042         PR c++/84684
3043         * constexpr.c (constexpr_call_hasher::equal): Return false if
3044         lhs->hash != rhs->hash.  Change return 1 to return true and
3045         return 0 to return false.
3047 2018-03-05  Nathan Sidwell  <nathan@acm.org>
3049         PR c++/84702
3050         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
3052 2018-03-05  Marek Polacek  <polacek@redhat.com>
3054         PR c++/84707
3055         * decl.c (duplicate_decls): Check DECL_NAME before accessing
3056         UDLIT_OPER_P.
3058 2018-03-05  Nathan Sidwell  <nathan@acm.org>
3060         PR c++/84694
3061         * friend.c (do_friend): Restore check for identifier_p inside
3062         TEMPLATE_ID_EXPR.
3064 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
3066         PR c++/84618
3067         * parser.c (cp_parser_lambda_introducer): Reject any capture not
3068         involving a VAR_DECL or a PARM_DECL.
3070 2018-03-05  Pádraig Brady  <P@draigBrady.com>
3071             Jason  Merrill  <jason@redhat.com>
3072             Nathan Sidwell  <nathan@acm.org>
3074         PR c++/84497
3075         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
3077 2018-03-03  Jason Merrill  <jason@redhat.com>
3079         PR c++/84686 - missing volatile loads.
3080         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
3082 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
3084         PR c++/71464
3085         * optimize.c (maybe_thunk_body): Bail out immediately if either
3086         fns[0] or fns[1] is null.
3088 2018-03-02  Marek Polacek  <polacek@redhat.com>
3090         PR c++/84578
3091         * constexpr.c (get_array_or_vector_nelts): New.
3092         (cxx_eval_array_reference): Use it.
3093         (cxx_eval_vec_init_1): Likewise.
3094         (cxx_eval_store_expression): Likewise.
3096 2018-03-02  Jason Merrill  <jason@redhat.com>
3098         * semantics.c (force_paren_expr): Remove redundant test.
3100 2018-03-02  Marek Polacek  <polacek@redhat.com>
3102         PR c++/84663
3103         * decl.c (cp_complete_array_type): Check error_mark_node.
3105         PR c++/84664
3106         * typeck.c (cp_perform_integral_promotions): Check the result of
3107         mark_rvalue_use.
3109 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
3111         PR c++/84662
3112         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
3113         RETURN instead of return.
3114         <case POINTER_PLUS_EXPR>: Likewise.
3115         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
3116         it instead of wrapping it into CONVERT_EXPR.
3118 2018-03-02  Jason Merrill  <jason@redhat.com>
3120         Fix MIPS16 ICE.
3121         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
3123 2018-03-02  Marek Polacek  <polacek@redhat.com>
3125         PR c++/84590
3126         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
3127         wrapped in VIEW_CONVERT_EXPR.
3129 2018-03-01  Martin Sebor  <msebor@redhat.com>
3131         PR c++/84294
3132         * decl.c (check_redeclaration_no_default_args): Merge attributes
3133         specified on redeclarations of the same function template.
3134         Remove dead code.
3136 2018-03-01  Marek Polacek  <polacek@redhat.com>
3137             Jason Merrill  <jason@redhat.com>
3139         PR c++/84582
3140         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
3141         a template.
3142         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
3143         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
3144         of instantiate_non_dependent_expr.
3145         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
3147 2018-03-01  Nathan Sidwell  <nathan@acm.org>
3149         PR c++/84434
3150         * name-lookup.c (member_vec_dedup): Remove manually peeled
3151         iteration.  Ignore dependent ctor inheritance.
3153 2018-03-01  Jason Merrill  <jason@redhat.com>
3155         PR c++/71569 - decltype of template.
3156         * parser.c (cp_parser_decltype_expr): Handle missing template args.
3158 2018-03-01  Marek Polacek  <polacek@redhat.com>
3160         PR c++/84596
3161         * constexpr.c (require_rvalue_constant_expression): New function.
3162         * cp-tree.h: Declare it.
3163         * semantics.c (finish_static_assert): Use it instead of
3164         require_potential_rvalue_constant_expression.
3166 2018-03-01  Jason Merrill  <jason@redhat.com>
3167             Alexandre Oliva <aoliva@redhat.com>
3169         PR c++/71569 - ICE with redundant args on member variable template.
3170         * decl.c (start_decl): Handle partial specialization of member
3171         variable template.
3172         * pt.c (determine_specialization): Allow partial specialization
3173         of member variable template without specializing enclosing class.
3174         (process_partial_specialization): Improve error message.
3176 2018-02-28  Jason Merrill  <jason@redhat.com>
3178         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3179         * pt.c (determine_specialization): Check ref-qualifier.
3181 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
3183         PR c++/84609
3184         * parser.c (cp_parser_attributes_opt): Formatting fix.
3185         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3186         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3187         New functions.
3188         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3189         instead of tentative parse to peek over optional attribute tokens
3190         to check for CPP_COLON after them.
3192         PR c++/83871
3193         PR c++/83503
3194         * pt.c (INCLUDE_STRING): Remove define.
3195         (warn_spec_missing_attributes): Use pretty_printer instead of
3196         std::string.  Fix up inform call so that the list of attributes
3197         is in %s argument.
3199 2018-02-28  Martin Sebor  <msebor@redhat.com>
3201         PR testsuite/84617
3202         * decl.c (duplicate_decls): Fully merge attributes const, pure,
3203         and malloc.
3205 2018-02-28  Nathan Sidwell  <nathan@acm.org>
3207         PR c++/84602
3208         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3209         * name-lookup.c (fields_linear_search): Look in an anon-aggr
3210         regardless of want_type.
3211         (search_anon_aggr): Just use get_class_binding_direct.
3213 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
3215         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3216         inform_n.
3218 2018-02-27  Martin Sebor  <msebor@redhat.com>
3220         * pt.c: Avoid including <string> directly.
3222 2018-02-27  Martin Sebor  <msebor@redhat.com>
3224         PR c++/83871
3225         PR c++/83503
3226         * cp-tree.h (warn_spec_missing_attributes): New function.
3227         ((check_explicit_specialization): Add an argument.  Call the above
3228         function.
3229         * decl.c (duplicate_decls): Avoid applying primary function template's
3230         attributes to its explicit specializations.
3231         cp/pt.c (warn_spec_missing_attributes): Define.
3233 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
3235         PR c++/71546 - lambda init-capture with qualified-id.
3236         * parser.c (cp_parser_lambda_introducer): Clear scope after
3237         each lambda capture.
3239 2018-02-27  Nathan Sidwell  <nathan@acm.org>
3241         PR c++/84426
3242         * name-lookup.h (get_member_slot): Rename ...
3243         (find_member_slot): ... here.
3244         (add_member_slot): New.
3245         * name-lookup.c (member_vec_linear_search): No need to check for
3246         NULL slot.
3247         (get_member_slot): Rename ...
3248         (find_member_slot): ... here.  Don't add slot for incomplete class.
3249         (add_member_slot): New.
3250         * class.c (add_method): Adjust get_member_slot rename.  Bail out
3251         if push_class_level_binding fails.  Create slot and grok
3252         properties once we're committed to insertion.
3254 2018-02-27  Jason Merrill  <jason@redhat.com>
3256         PR c++/84489 - dependent default template argument
3257         * pt.c (type_unification_real): Handle early substitution failure.
3259 2018-02-26  Jason Merrill  <jason@redhat.com>
3261         PR c++/84560 - ICE capturing multi-dimensional VLA.
3262         * tree.c (array_of_runtime_bound_p): False if the element is
3263         variably-modified.
3265         PR c++/84441 - ICE with base initialized from ?:
3266         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3268         PR c++/84520 - ICE with generic lambda in NSDMI.
3269         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3270         'this' in a generic lambda instantiation.
3272         PR c++/84559 - ICE with constexpr VLA.
3273         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3274         for constexpr variable with VLA type.
3276 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
3278         PR c++/84558
3279         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3280         a valid constant initializer.  Formatting fixes.
3282 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3284         PR c++/84540
3285         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3286         returning NULL_TREE.
3287         (apply_late_template_attributes): Likewise.
3289 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
3291         PR c++/84557
3292         * parser.c (cp_parser_omp_var_list_no_open): Only call
3293         cp_parser_lookup_name_simple on names satisfying identifier_p.
3294         (cp_parser_oacc_routine): Likewise.
3296 2018-02-26  Jason Merrill  <jason@redhat.com>
3298         PR c++/84551 - ICE with concepts and -g.
3299         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3301 2018-02-26  Marek Polacek  <polacek@redhat.com>
3303         PR c++/84325
3304         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3305         non-types.
3307 2018-02-26  Jason Merrill  <jason@redhat.com>
3309         PR c++/84447 - ICE with deleted inherited ctor with default arg.
3310         * call.c (build_over_call): Handle deleted functions in one place.
3312 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3314         PR c++/84533
3315         * decl.c (redeclaration_error_message): Don't try to use
3316         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3318 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3320         * lambda.c (build_capture_proxy): Define static.
3321         * cp-tree.h (build_capture_proxy): Remove.
3323 2018-02-26  Marek Polacek  <polacek@redhat.com>
3325         PR c++/84537
3326         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3327         if name is error node.
3329 2018-02-25  Jason Merrill  <jason@redhat.com>
3331         PR c++/84015 - ICE with class deduction and auto template parm.
3332         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3334 2018-02-24  Marek Polacek  <polacek@redhat.com>
3336         PR c++/83692
3337         * constexpr.c (maybe_constant_init_1): New function.
3338         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3339         (cxx_constant_init): New function.
3340         * cp-tree.h (cxx_constant_init): Declare.
3341         * typeck2.c (store_init_value): Call cxx_constant_init instead of
3342         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
3344 2018-02-22  Jason Merrill  <jason@redhat.com>
3346         PR c++/70468 - ICE with constructor delegation via typedef.
3347         * pt.c (tsubst_initializer_list): Check for other mem-initializers
3348         with constructor delegation.
3350 2018-02-22  Jason Merrill  <jason@redhat.com>
3352         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3353         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3354         VECTOR_TYPE.
3356 2018-02-22  Marek Polacek  <polacek@redhat.com>
3358         PR c++/84493
3359         * parser.c (cp_parser_braced_list): Use require_open instead of
3360         consume_open.
3362 2018-02-21  Jason Merrill  <jason@redhat.com>
3364         PR c++/84454 - ICE with pack expansion in signature.
3365         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3367 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
3369         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3370         IF_STMT.
3372 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
3374         PR c++/84446
3375         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3376         on error_mark_node.
3378 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
3380         PR c++/84445
3381         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3382         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3384         PR c++/84449
3385         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3386         returns error_mark_node, return it immediately.
3387         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3388         error_mark_node, return error_mark_node.
3390         PR c++/84455
3391         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3392         function_depth to avoid GC during finish_lambda_function.
3394 2018-02-19  Jason Merrill  <jason@redhat.com>
3396         PR c++/84429 - ICE capturing VLA.
3397         * lambda.c (build_capture_proxy): Handle reference refs.
3399 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
3401         PR c++/84448
3402         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3403         either operand is error_mark_node, set current.lhs to that instead of
3404         creating a binary op with error_mark_node operands.
3406         PR c++/84430
3407         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3409 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
3411         PR c++/84348
3412         * decl.c (grokdeclarator): Early return error_mark_node upon
3413         ill-formed friend declaration.
3415 2018-02-16  Marek Polacek  <polacek@redhat.com>
3416             Jakub Jelinek  <jakub@redhat.com>
3418         PR c++/84192
3419         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3420         set *jump_target to anything if jump_target is NULL.
3422 2018-02-16  Jason Merrill  <jason@redhat.com>
3424         PR c++/84151 - unnecessary volatile load with static member.
3425         * call.c (build_new_method_call_1): Avoid loading from a volatile
3426         lvalue used as the object argument for a static member function.
3428         PR c++/81853 - using-directive and constexpr.
3429         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3431         PR c++/84420 - ICE with structured binding in lambda.
3432         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3434         PR c++/83835 - C++17 error with constructor ctors.
3435         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3437         PR c++/82664 - ICE with reference to function template parm.
3438         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3439         NOP_EXPRs.
3441         PR c++/82764 - C++17 ICE with empty base
3442         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3444 2018-02-16  Jason Merrill  <jason@redhat.com>
3446         PR c++/84421 - type-dependent if constexpr
3447         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3449 2018-02-16  Nathan Sidwell  <nathan@acm.org>
3451         Deprecate -ffriend-injection.
3452         * decl.c (cxx_init_decl_processing): Emit warning on option.
3453         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3454         friend.
3456 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
3458         PR c++/82468
3459         * decl.c (check_special_function_return_type): Reject template
3460         template parameter in deduction guide.
3462 2018-02-16  Nathan Sidwell  <nathan@acm.org>
3464         PR c++/84375
3465         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3467 2018-02-15  Jason Merrill  <jason@redhat.com>
3469         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3470         * call.c (convert_like_real): Don't use the copy-list-initialization
3471         shortcut for ck_base.
3473         PR c++/84045 - ICE with typedef and noexcept.
3474         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3476         PR c++/84376 - ICE with omitted template arguments.
3477         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3479         PR c++/84368 - wrong error with local variable in variadic lambda.
3480         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3481         local_specializations.
3483 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
3485         PR c++/84330
3486         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3487         as first argument.
3489 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
3491         PR c++/84350
3492         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3493         init, early return.
3495 2018-02-14  Nathan Sidwell  <nathan@acm.org>
3497         * decl2.c (mark_vtable_entries): Set input_location to decl's.
3498         (c_parse_final_cleanups): Restore input_location after emitting
3499         vtables.
3501 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
3503         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3504         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3505         auto_deduction_context, tree, int): Add defaults.
3506         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3507         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3508         tsubst_flags_t argument.
3509         * init.c (build_new): Likewise.
3511 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
3513         PR c++/84364
3514         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3515         about return other than *this in assignment operators if
3516         retval is type dependent expression.
3518 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
3520         PR c++/84333
3521         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3522         save_expr for the G++ extension.
3524 2018-02-13  Jason Merrill  <jason@redhat.com>
3526         PR c++/84080 - ICE with return type deduction and specialization.
3527         * pt.c (determine_specialization): Check uses_template_parms.
3529         Fix more variadic capture issues.
3530         * pt.c (find_parameter_packs_r): Also look at explicit captures.
3531         (check_for_bare_parameter_packs): Check current_class_type for
3532         lambda context.
3533         (extract_locals_r): Handle seeing a full instantiation of a pack.
3534         (tsubst_pack_expansion): Likewise.  Force lambda capture.
3535         * parser.c (cp_parser_lambda_introducer): Don't
3536         check_for_bare_parameter_packs.
3538         PR c++/84338 - wrong variadic sizeof.
3539         * pt.c (argument_pack_select_arg): Like the macro, but look through
3540         a pack expansion.
3541         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3542         (extract_fnparm_pack): Do make_pack_expansion.
3543         (extract_locals_r): Do strip a pack expansion.
3544         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3546 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
3548         PR c++/84341
3549         * parser.c (cp_parser_binary_expression): Use build_min instead of
3550         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3552 2018-02-12  Nathan Sidwell  <nathan@acm.org>
3554         PR c++/84263
3555         * parser.c (cp_parser_decltype): Push and pop
3556         deferring_access_checks.  Reorganize to avoid goto.
3558 2018-02-12  Richard Biener  <rguenther@suse.de>
3560         PR c++/84281
3561         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3562         uniform constructors and delay allocating them fully.
3564 2018-02-09  Jason Merrill  <jason@redhat.com>
3566         PR c++/84036 - ICE with variadic capture.
3567         Handle variadic capture proxies more like non-variadic.
3568         * lambda.c (build_capture_proxy): Remove workaround.
3569         * pt.c (find_parameter_packs_r): The proxy is a pack.
3570         (instantiate_class_template_1): Remove dead lambda code.
3571         (extract_fnparm_pack): Don't make_pack_expansion.
3572         (extract_locals_r): Don't strip a pack expansion.
3573         (tsubst_pack_expansion): Handle proxy packs.  Use
3574         PACK_EXPANSION_EXTRA_ARGS less.
3575         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3576         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3577         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3578         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3579         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3581 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
3583         PR sanitizer/83987
3584         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3586 2018-02-09  Jason Merrill  <jason@redhat.com>
3588         PR c++/81917 - ICE with void_t and partial specialization.
3589         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3590         calling most_specialized_partial_spec.
3592 2018-02-09  Nathan Sidwell  <nathan@acm.org>
3594         PR c/84293
3595         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3596         Pass expr location to strict_aliasing_warning.
3598 2018-02-09  Jason Merrill  <jason@redhat.com>
3600         PR c++/84296 - ICE with qualified-id in template.
3601         PR c++/83714
3602         * pt.c (unknown_base_ref_p): New.
3603         (instantiation_dependent_scope_ref_p): Use it instead of
3604         any_dependent_bases_p.
3606 2018-02-09  Marek Polacek  <polacek@redhat.com>
3607             Jakub Jelinek  <jakub@redhat.com>
3609         PR c++/83659
3610         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3611         fold_indirect_ref_1, including poly_*int64.  Verify first that
3612         tree_fits_poly_int64_p (op01).  Formatting fixes.
3614 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3616         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3617         * lambda.c (build_capture_proxy): Likewise.
3618         * search.c (field_access_p): Likewise.
3619         * semantics.c (omp_clause_decl, omp_privatize_field,
3620         finish_omp_clauses): Likewise.
3622 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3624         PR c++/83806
3625         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3626         case of nullptr too.
3628 2018-02-08  Nathan Sidwell  <nathan@acm.org>
3630         * class.c (finish_struct): Fix std:initializer_list diagnostic
3631         formatting.
3633 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3635         PR c++/83204
3636         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3638 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
3640         PR c++/84082
3641         * parser.c (cp_parser_dot_deref_incomplete): New function.
3642         (cp_parser_postfix_dot_deref_expression): Use it.
3644 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
3646         PR c++/81610
3647         PR c++/80567
3648         * name-lookup.c (suggest_rid_p): New function.
3649         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3650         suggest_rid_p.
3652 2018-02-07  Jason Merrill  <jason@redhat.com>
3654         PR c++/84182 - ICE with captured lambda
3655         PR c++/84181
3656         * pt.c (extract_locals_r, extract_local_specs): New.
3657         (tsubst_pack_expansion): Use them.
3659 2018-02-07  Martin Liska  <mliska@suse.cz>
3661         PR c++/84059.
3662         * class.c (add_method): Append argument value.
3663         * cp-tree.h (maybe_version_functions): Add new argument.
3664         * decl.c (decls_match): Call it if a declaration does not
3665         have DECL_FUNCTION_VERSIONED.
3666         (maybe_version_functions): record argument is added.
3668 2018-02-05  Marek Polacek  <polacek@redhat.com>
3670         * class.c: Remove unused global variables.
3671         (build_primary_vtable): Don't gather statistics.
3672         (print_class_statistics): Remove.
3673         * cp-tree.h (print_class_statistics): Remove.
3674         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3676 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
3678         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3679         * constexpr.c (cx_check_missing_mem_inits): Likewise.
3680         * decl.c (next_initializable_field, find_decomp_class_base,
3681         cp_finish_decomp): Likewise.
3682         * typeck2.c (process_init_constructor_record): Likewise.
3684 2018-02-02  Jason Merrill  <jason@redhat.com>
3686         PR c++/84181 - ICE with lambda parm in template argument.
3687         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3689 2018-02-01  Jason Merrill  <jason@redhat.com>
3691         PR c++/84160 - ICE with nested variadic capture.
3692         * lambda.c (is_capture_proxy_with_ref): New.
3693         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3694         COMPONENT_REF.
3695         * expr.c (mark_use): Use is_capture_proxy_with_ref.
3696         * constexpr.c (potential_constant_expression_1): Likewise.
3697         * semantics.c (process_outer_var_ref): Likewise.
3699 2018-02-01  Marek Polacek  <polacek@redhat.com>
3701         PR c++/84125
3702         * typeck.c (build_address): Relax the assert when
3703         processing_template_decl.
3705 2018-02-01  Jason Merrill  <jason@redhat.com>
3707         PR c++/84126 - ICE with variadic generic lambda
3708         PR c++/84036
3709         PR c++/82249
3710         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3711         PACK_EXPANSION_EXTRA_ARGS.
3713 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
3715         PR c++/83796
3716         * call.c (convert_like_real): If w're initializing from {} explicitly
3717         call abstract_virtuals_error_sfinae.
3719 2018-01-31  Jason Merrill  <jason@redhat.com>
3720             Jakub Jelinek  <jakub@redhat.com>
3722         PR c++/83993
3723         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3724         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3725         on ADDR_EXPR.
3727 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
3729         PR c++/83993
3730         * constexpr.c (diag_array_subscript): Emit different diagnostics
3731         if TYPE_DOMAIN (arraytype) is NULL.
3732         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3733         with NULL TYPE_DOMAIN use size_zero_node as nelts.
3735 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
3737         PR c++/84092
3738         * semantics.c (finish_qualified_id_expr): When handling an
3739         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3741 2018-01-31  Marek Polacek  <polacek@redhat.com>
3743         PR c++/84138
3744         * cp-gimplify.c (cp_fold): Check if X is an error node before
3745         calling useless_type_conversion_p.
3747 2018-01-30  Jason Merrill  <jason@redhat.com>
3749         PR c++/84091 - ICE with local class in lambda in template.
3750         * decl2.c (determine_visibility): Look for outer containing template
3751         instantiation.
3753         PR c++/84098 - ICE with lambda in template NSDMI.
3754         * pt.c (instantiate_class_template_1): Ignore more lambdas.
3756 2018-01-29  Jason Merrill  <jason@redhat.com>
3758         PR c++/68810 - wrong location for reinterpret_cast error.
3759         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3760         !dofold.
3762 2018-01-29  Marek Polacek  <polacek@redhat.com>
3764         PR c++/83996
3765         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3766         => fooarray[1] in offset_int.
3768 2018-01-29  Jason Merrill  <jason@redhat.com>
3770         PR c++/83942 - wrong unused warning with static_cast.
3771         * cvt.c (ocp_convert): Call mark_rvalue_use.
3773 2018-01-26  Jason Merrill  <jason@redhat.com>
3775         PR c++/83956 - wrong dtor error with anonymous union
3776         * method.c (walk_field_subobs): Variant members only affect
3777         deletedness.
3778         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3780         PR c++/84036 - ICE with variadic capture.
3781         PR c++/82249
3782         * pt.c (tsubst_pack_expansion): When optimizing a simple
3783         substitution, pull a single pack expansion out of its pack.
3785         PR c++/82514 - ICE with local class in generic lambda.
3786         * pt.c (regenerated_lambda_fn_p): Remove.
3787         (enclosing_instantiation_of): Don't use it.
3788         (tsubst_function_decl): Call enclosing_instantiation_of.
3790         * pt.c (lookup_template_class_1): Add sanity check.
3791         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3793 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
3795         PR c++/84031
3796         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
3797         recursive calls that return ret.
3798         (cp_finish_decomp): Ignore unnamed bitfields.
3800 2018-01-23  Jason Merrill  <jason@redhat.com>
3802         PR c++/82249 - wrong mismatched pack length error.
3803         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3804         unsubstituted function parameter pack.
3806 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
3808         PR c++/83921
3809         * decl.c (check_for_uninitialized_const_var): Not static; add
3810         bool and tsubst_flags_t parameters; adjust to be used both in
3811         constexpr context and not.
3812         * constexpr.c (potential_constant_expression_1): Use the above.
3813         * cp-tree.h (check_for_uninitialized_const_var): Declare.
3815 2018-01-23  Jason Merrill  <jason@redhat.com>
3817         PR c++/83947 - ICE with auto declarations.
3818         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3819         * decl.c (undeduced_auto_decl): Limit to vars and fns.
3821 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
3823         PR c++/83974
3824         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3825         for pointer to member function types.
3827 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
3829         PR sanitizer/83987
3830         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3831         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3833 2018-01-23  Nathan Sidwell  <nathan@acm.org>
3835         PR c++/83988
3836         * pt.c (tsubst_baselink): Remove optype assert.
3837         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3839 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
3841         PR c++/83958
3842         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3843         refers to incomplete type.
3845 2018-01-23  Nathan Sidwell  <nathan@acm.org>
3847         Deprecate ARM-era for scope handling
3848         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3849         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3850         cleared.
3851         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3852         cleanup handling.
3853         * semantics.c (begin_for_scope): Flag_new_for_scope is
3854         boolean-like.
3855         (finish_for_stmt, begin_range_for_stmt): Likewise.
3857 2018-01-22  Jason Merrill  <jason@redhat.com>
3859         PR c++/83720
3860         * decl2.c (determine_visibility): Fix template_decl handling
3861         instead of blocking it.
3863         PR c++/83720 - ICE with lambda and LTO.
3864         * decl2.c (determine_visibility): Clear template_decl for
3865         function-scope decls.  Propagate anonymous linkage from containing
3866         function.
3868 2018-01-22  Marek Polacek  <polacek@redhat.com>
3870         PR c++/81933
3871         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3872         split out anything.
3874 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
3876         PR c++/83895
3877         * decl.c (grokdeclarator): Don't diagnose extra parens
3878         on typedefs.
3880 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
3882         PR c++/81167
3883         * call.c (joust): Use TREE_TYPE (source) if source is
3884         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3886         PR c++/83919
3887         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3888         for direct enum init.
3889         * decl.c (reshape_init): Likewise.
3891 2018-01-19  Marek Polacek  <polacek@redhat.com>
3893         * constexpr.c (fold_simple): Simplify.
3895 2018-01-18  Jason Merrill  <jason@redhat.com>
3897         PR c++/83714
3898         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3899         * pt.c (instantiation_dependent_scope_ref_p): True if
3900         any_dependent_bases_p.
3902 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
3904         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3905         vs DECL_NONTRIVIALLY_INITIALIZED_P).
3907 2018-01-18  Jason Merrill  <jason@redhat.com>
3909         PR c++/82461 - constexpr list-initialized member
3910         * constexpr.c (potential_constant_expression_1): Check
3911         TARGET_EXPR_DIRECT_INIT_P.
3913 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
3915         PR c++/81013
3916         * decl.c (xref_basetypes): Early return upon error about derived
3917         union.
3919 2018-01-18  Nathan Sidwell  <nathan@acm.org>
3921         PR c++/83160
3922         * cp-tree.h (mark_use): Declare.
3923         * expr.c (mark_use): Make extern.
3924         * call.c (direct_reference_binding): Set inner conv's
3925         rvaluedness_matches_p, if it is an identity.
3926         (convert_like_real): Mark lvalue or rvalue use for identity as
3927         rvaledness_matches_p demands.
3929 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
3931         PR c++/83824
3932         * parser.c (attr_chainon): New function.
3933         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3934         cp_parser_namespace_definition, cp_parser_init_declarator,
3935         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3936         cp_parser_gnu_attributes_opt): Use it.
3937         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3938         cp_parser_objc_struct_declaration): Likewise.  Don't reset
3939         prefix_attributes if attributes is error_mark_node.
3941 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
3943         PR c++/78344
3944         * decl.c (grokdeclarator): Do not append the error_mark_node
3945         due to an erroneous optional attribute-specifier-seq.
3947 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
3949         PR c++/83897
3950         * cp-gimplify.c (cp_maybe_instrument_return): Handle
3951         CLEANUP_POINT_EXPR.
3953 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
3955         PR c++/81054
3956         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3957         error_mark_node when we give an error.
3958         * decl.c (cp_finish_decl): Use the latter.
3960 2018-01-17  Nathan Sidwell  <nathan@acm.org>
3962         PR c++/83287
3963         * init.c (build_raw_new_expr): Scan list for lookups to keep.
3965 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
3967         PR c++/83814
3968         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3969         the C++ part.  If processing a template, call
3970         fold_non_dependent_expr rather than fully folding.
3972 2018-01-17  Jason Merrill  <jason@redhat.com>
3974         PR c++/81067 - redundant NULL warning.
3975         * call.c (convert_like_real): Restore null_node handling.
3977 2018-01-17  Jason Merrill  <jason@redhat.com>
3979         PR c++/81843 - ICE with variadic member template.
3980         PR c++/72801
3981         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3982         template args.
3984 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
3986         PR c++/83799
3987         * pt.c (type_dependent_expression_p): Strip any location wrapper
3988         before testing tree codes.
3989         (selftest::test_type_dependent_expression_p): New function.
3990         (selftest::cp_pt_c_tests): Call it.
3992 2018-01-17  Nathan Sidwell  <nathan@acm.org>
3994         PR c++/83739
3995         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3996         this not a final instantiation.
3998 2018-01-16  Jason Merrill  <jason@redhat.com>
4000         PR c++/83714 - ICE checking return in template.
4001         * typeck.c (check_return_expr): Call build_non_dependent_expr.
4003 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
4005         PR c++/83817
4006         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
4007         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
4008         instead of CALL_FROM_THUNK_P.
4010         PR c++/83825
4011         * name-lookup.c (member_vec_dedup): Return early if len is 0.
4012         (resort_type_member_vec, set_class_bindings,
4013         insert_late_enum_def_bindings): Use vec qsort method instead of
4014         calling qsort directly.
4016 2018-01-15  Martin Sebor  <msebor@redhat.com>
4018         PR c++/83588
4019         * class.c (find_flexarrays): Make a record of multiple flexible array
4020         members.
4022 2018-01-12  Jason Merrill  <jason@redhat.com>
4024         PR c++/83186 - ICE with static_cast of list-initialized temporary.
4025         * typeck.c (build_static_cast): Use build_non_dependent_expr.
4027 2018-01-12  Nathan Sidwell  <nathan@acm.org>
4029         * cp-tree.h (mark_rvalue_use): Add parm name.
4030         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
4031         mark_rvalue_use.
4032         * call.c (convert_like_real): Fix formatting.
4034 2018-01-11  Jason Merrill  <jason@redhat.com>
4036         PR c++/82728 - wrong -Wunused-but-set-variable
4037         PR c++/82799
4038         PR c++/83690
4039         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
4040         * decl.c (case_conversion): Likewise.
4041         * semantics.c (finish_static_assert): Call
4042         perform_implicit_conversion_flags.
4044 2018-01-11  Nathan Sidwell  <nathan@acm.org>
4046         * method.c (enum mangling_flags): Delete long-dead enum.
4048 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
4050         * parser.c (cp_parser_std_attribute_spec): When
4051         token_pair::require_open / require_close return false simply
4052         return error_mark_node, avoid duplicate cp_parser_error about
4053         expected '(' / ')', respectively.
4055 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
4057         PR c++/43486
4058         * call.c (null_ptr_cst_p): Strip location wrappers when
4059         converting from '0' to a pointer type in C++11 onwards.
4060         (conversion_null_warnings): Replace comparison with null_node with
4061         call to null_node_p.
4062         (build_over_call): Likewise.
4063         * cp-gimplify.c (cp_fold): Remove the early bailout when
4064         processing_template_decl.
4065         * cp-lang.c (selftest::run_cp_tests): Call
4066         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
4067         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
4068         (selftest::run_cp_tests): Move decl to bottom of file.
4069         (null_node_p): New inline function.
4070         (selftest::cp_pt_c_tests): New decl.
4071         (selftest::cp_tree_c_tests): New decl.
4072         * cvt.c (build_expr_type_conversion): Replace comparison with
4073         null_node with call to null_node_p.
4074         * error.c (args_to_string): Likewise.
4075         * except.c (build_throw): Likewise.
4076         * mangle.c (write_expression): Skip location wrapper nodes.
4077         * parser.c (literal_integer_zerop): New function.
4078         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
4079         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
4080         param of cp_parser_parenthesized_expression_list.  When calling
4081         warn_for_memset, replace integer_zerop calls with
4082         literal_integer_zerop, eliminating the double logical negation
4083         cast to bool.  Eliminate the special-casing for CONST_DECL in
4084         favor of the fold_for_warn within warn_for_memset.
4085         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
4086         param, defaulting to false.  Convert "expr" to a cp_expr, and call
4087         maybe_add_location_wrapper on it when wrap_locations_p is true.
4088         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
4089         the result for RID_ALIGNOF and RID_SIZEOF.
4090         (cp_parser_builtin_offsetof): Likewise.
4091         * pt.c: Include "selftest.h".
4092         (tsubst_copy): Handle location wrappers.
4093         (tsubst_copy_and_build): Likewise.
4094         (build_non_dependent_expr): Likewise.
4095         (selftest::test_build_non_dependent_expr): New function.
4096         (selftest::cp_pt_c_tests): New function.
4097         * tree.c: Include "selftest.h".
4098         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
4099         (selftest::test_lvalue_kind): New function.
4100         (selftest::cp_tree_c_tests): New function.
4101         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
4102         (cp_build_binary_op): Replace comparison with null_node with call
4103         to null_node_p.
4104         (build_address): Use location of operand when building address
4105         expression.
4107 2018-01-10  Marek Polacek  <polacek@redhat.com>
4109         PR c++/82541
4110         * call.c (build_conditional_expr_1): Check complain before warning.
4111         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
4112         -Wduplicated-branches.
4114 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
4116         PR c++/81327
4117         * call.c (maybe_warn_class_memaccess): Add forward declaration.
4118         Change last argument from tree * to const vec<tree, va_gc> *, adjust
4119         args uses and check number of operands too.  Don't strip away any
4120         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
4121         Deal with src argument not having pointer type.  Check
4122         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
4123         test.
4124         (build_over_call): Call maybe_warn_class_memaccess here on the
4125         original arguments.
4126         (build_cxx_call): Rather than here on converted arguments.
4128 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
4130         PR c++/81055
4131         * init.c (build_vec_init): Avoid building an INIT_EXPR with
4132         error_mark_node as second argument.
4134 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
4136         PR c++/83734
4137         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
4138         in STATEMENT_LIST.  Remove unneeded assert.
4140 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
4141             Alan Hayward  <alan.hayward@arm.com>
4142             David Sherwood  <david.sherwood@arm.com>
4144         * constexpr.c (cxx_eval_array_reference): Handle polynomial
4145         VECTOR_CST_NELTS.
4146         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
4147         * call.c (build_conditional_expr_1): Likewise.
4148         * decl.c (cp_finish_decomp): Likewise.
4149         * mangle.c (write_type): Likewise.
4150         * typeck.c (structural_comptypes): Likewise.
4151         (cp_build_binary_op): Likewise.
4152         * typeck2.c (process_init_constructor_array): Likewise.
4154 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4156         PR c++/83555
4157         * typeck.c (build_static_cast_1): For static casts to reference types,
4158         call build_base_path with flag_delete_null_pointer_checks as nonnull
4159         instead of always false.  When -fsanitize=null, call
4160         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
4161         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
4162         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
4164 2018-01-03  Nathan Sidwell  <nathan@acm.org>
4166         PR c++/83667
4167         * method.c (make_alias_for): Copy DECL_CONTEXT.
4169 2018-01-03  Marek Polacek  <polacek@redhat.com>
4171         PR c++/83592
4172         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4174 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4176         PR preprocessor/83602
4177         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4178         for builtin macros.
4180         PR c++/83634
4181         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4182         error_mark_node, return error_mark_node.
4184         Update copyright years.
4186 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
4188         PR c++/83556
4189         * tree.c (replace_placeholders_r): Pass NULL as last argument to
4190         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
4191         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4192         to false and return.
4193         (replace_placeholders): Pass NULL instead of &pset as last argument
4194         to cp_walk_tree.
4196 2018-01-02  Nathan Sidwell  <nathan@acm.org>
4198         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4199         lval var.
4201 Copyright (C) 2018 Free Software Foundation, Inc.
4203 Copying and distribution of this file, with or without modification,
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