Fix various latent issues revealed by P0732 work.
[official-gcc.git] / gcc / cp / ChangeLog
blob4f40627a2261fc456f53411d38171ed5ec97fa81
1 2018-11-04  Jason Merrill  <jason@redhat.com>
3         * cvt.c (ocp_convert): Don't wrap a CONSTRUCTOR in a NOP_EXPR.
4         * constexpr.c (initialized_type): Fix AGGR_INIT_EXPR handling.
5         (cxx_eval_vec_init_1): Correct type of AGGR_INIT_EXPR.
6         (cxx_eval_outermost_constant_expr): Make sure a CONSTRUCTOR has the
7         right type.  Don't wrap a CONSTRUCTOR if one was passed in.
8         * tree.c (build_aggr_init_expr): Check for void.
10         PR c++/60503 - wrong lambda attribute syntax.
11         * parser.c (cp_parser_lambda_declarator_opt): Fix attribute
12         handling.
14 2018-11-02  Nathan Sidwell  <nathan@acm.org>
16         * decl.c (duplicate_decls): Refactor checks.
18 2018-11-01  Marek Polacek  <polacek@redhat.com>
20         Implement P0846R0, ADL and function templates.
21         * decl.c (grokfndecl): Allow FUNCTION_DECL in assert.
22         * lex.c (unqualified_fn_lookup_error): Handle TEMPLATE_ID_EXPR.
23         * parser.c (cp_parser_postfix_expression): Do ADL for a template-name.
24         (cp_parser_template_id): Give errors if parsing the template argument
25         list didn't go well.  Allow FUNCTION_DECL in assert.
26         (cp_parser_template_name): Consider a name to refer to a template if
27         it is an unqualified-id followed by a <.  Don't return the identifier
28         if the decl is a function and dependent.
29         * pt.c (tsubst_copy) <case OVERLOAD>: Remove assert.
31 2018-11-01  Nathan Sidwell  <nathan@acm.org>
33         * cp-tree.h (struct lang_function): Delete x_local_names field.
34         (struct lang_decl_base): Rename u2sel to spare.
35         (struct lang_decl_min): Remove lang_decl_u2 union.  Keep access
36         field.
37         (LANG_DECL_U2_CHECK): Delete.
38         (DECL_DISCRIMINATOR_P): Require function scope.
39         (DECL_DISCRIMINATOR): Adjust.
40         (DECL_DISCRIMINATOR_SET_P): Delete.
41         (DECL_CAPTURED_VARIABLE, DECL_ACCESS, THUnK_VIRTUAL_OFFSET): Adjust.
42         (local_classes): Don't declare.
43         (determine_local_discriminator): Declare.
44         * decl.c (push_local_name): Delete.
45         (local_entities, determina_local_discrminator): New.
46         (duplicate_decls): Copy DECL_ACCESS. Fix formatting.
47         (cp_finish_decl): Use determine_local_discriminator.
48         (save_function_data): Drop x_local_names.
49         (finish_function): Drop local_names.
50         * decl2.c (finish_anon_union): Use determine_local_disciminator.
51         * mangle.c (write_unnamed_type_name): Use
52         discriminator_for_local_entity.
53         (local_class_index): Delete.
54         (discriminator_for_local_entity): Reimplement.
55         (write_local_name): Adjust discriminator code.
56         * name-lookup.c (do_pushtag): Call determine_local_discrimiator.
57         * semantics.c (finish_omp_threadprivate): Drop DECL_DISCRIMINATOR
58         handling.
59         * class.c (local_classes): Delete.
60         (init_class_processing): Don't init it.
62 2018-11-01  Martin Liska  <mliska@suse.cz>
63             Jason Merrill  <jason@redhat.com>
65         PR c++/64266
66         PR bootstrap/70422
67         PR ipa/81277
68         * cp-tree.h (DECL_FNAME_P): New macro.
69         * decl.c (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
70         DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
71         (cp_finish_decl):
72         * lambda.c (is_capture_proxy): Use DECL_FNAME_P.
73         * pt.c (tsubst_expr): Handle DECL_PRETTY_FUNCTION_P.
75 2018-10-31  Nathan Sidwell  <nathan@acm.org>
77         * cp-tree.h (OVL_DEDUP_P): New.
78         * name-lookup.c (name_lookup::add_overload): Check OVL_DEDUP_P.
79         (get_class_binding_direct): Likwise.
80         * tree.c (ovl_make): Propagate OVL_DEDUP_P.
81         (ovl_copy): Copy it.
82         (ovl_insert): Do not keep using-decls ordered.
83         (lookup_maybe_add): Adjust comment.
85 2018-10-30  Marek Polacek  <polacek@redhat.com>
87         Implement P0892R2, explicit(bool).
88         * call.c (add_template_candidate_real): Return if the declaration is
89         explicit and we're only looking for non-converting constructor.
90         * cp-tree.h (lang_decl_fn): Add has_dependent_explicit_spec_p bit.
91         (DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P): New macro.
92         (cp_decl_specifier_seq): Add explicit_specifier field.
93         (build_explicit_specifier, store_explicit_specifier): Declare.
94         * decl.c (grokdeclarator): Call store_explicit_specifier.
95         (build_explicit_specifier): New function.
96         * parser.c (cp_parser_function_specifier_opt) <case RID_EXPLICIT>:
97         Parse C++20 explicit(bool).
98         * pt.c (store_explicit_specifier, lookup_explicit_specifier): New.
99         (tsubst_function_decl): Handle explicit(dependent-expr).
101 2018-10-30  Paolo Carlini  <paolo.carlini@oracle.com>
103         * decl.c (grokdeclarator): Use declarator->id_loc in diagnostic
104         about flexible array members.
106 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
108         * cp-name-hint.h: New file.
109         * cp-tree.h (expr_to_string): New decl.
110         (suggest_alternatives_for): Move to cp-name-hint.h, changing
111         return type from bool to name_hint.
112         (suggest_alternative_in_explicit_scope): Likewise.
113         * error.c: Define INCLUDE_UNIQUE_PTR.  Include "cp-name-hint.h".
114         (expr_to_string): Make non-static.
115         (qualified_name_lookup_error): For the non-"::" case, take
116         responsibity for issuing any suggestion from
117         suggest_alternative_in_explicit_scope, as it changes from
118         returning a bool to returning a name_hint.  Replace fallback call
119         to suggest_alternatives_for to a call to
120         suggest_alternatives_in_other_namespaces, capturing the fact that
121         we don't have enough location information to issue a fix-it hint
122         for this case.  Update the error to support emitting a fix-it hint
123         where appropriate.  For the "::" case, take responsibility for
124         issuing any suggestion from suggest_alternatives_for, supporting
125         emitting a fix-it hint.
126         * lex.c: Define INCLUDE_UNIQUE_PTR.  Include "gcc-rich-location.h"
127         and "cp-name-hint.h".
128         (unqualified_name_lookup_error): Take responsibility for issuing
129         any suggestion from suggest_alternatives_for, supporting emitting
130         a fix-it hint.
131         * name-lookup.c (class namespace_limit_reached): New subclass of
132         deferred_diagnostic.
133         (class show_candidate_location): Likewise.
134         (class suggest_alternatives): Likewise.
135         (class namespace_hints): New class.
136         (suggest_alternatives_for): Convert return type from bool to
137         name_hint, replacing all direct diagnostic emission by setting
138         suggestions on the return value, or creating deferred diagnostics.
139         Specifically, split out initial traversal of namespaces into
140         namespace_hints' ctor, and maybe_decorate_with_limit, and move the
141         rest of the implementation to
142         namespace_hints::convert_candidates_to_name_hint and
143         suggest_alternatives_for_1.
144         (namespace_hints::namespace_hints): New ctor, adapted from
145         suggest_alternatives_for's initial namespace traversal, storing
146         location and name, and converting locals "candidates", "limited"
147         and "limit" into members.
148         (namespace_hints::convert_candidates_to_name_hint): New member
149         function.
150         (namespace_hints::maybe_decorate_with_limit): New member function.
151         (suggest_alternatives_for_1): New function, based on second half
152         of old implementation of suggest_alternatives_for, converting from
153         immediate emission of suggestions to using name_hint.
154         (suggest_alternatives_in_other_namespaces): New function.
155         (maybe_suggest_missing_std_header): Convert from immediate
156         emission of suggestions to using name_hint, moving emission
157         implementation to...
158         (class missing_std_header): New subclass of deferred_diagnostic.
159         (maybe_suggest_missing_header): Convert return type from bool to
160         name_hint.
161         (suggest_alternative_in_explicit_scope): Convert from immediate
162         emission of suggestions to using name_hint.
163         * parser.c: Replace include of "c-family/name-hint.h" with
164         "cp-name-hint.h".
165         (cp_parser_diagnose_invalid_type_name): Update
166         "is there a suggestion" logic for change to
167         name_hint::operator bool.  Take responsibility for emitting
168         fix-it hints from suggest_alternative_in_explicit_scope.
169         (cp_parser_namespace_name): Take responsibility for emitting
170         fix-it hints from suggest_alternative_in_explicit_scope.  Don't
171         emit the "expected namespace-name" error if we've already emitted
172         an "is not a namespace-name" error.
174 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
176         PR c++/56856
177         * call.c (build_over_call): Eliminate the "arglocs" array, and the
178         call to maybe_constant_value when building "fargs".
180 2018-10-29  Paolo Carlini  <paolo.carlini@oracle.com>
182         * decl.c (create_array_type_for_decl): Add location_t parameter
183         and use it.
184         (grokdeclarator): Adjust call.
186 2018-10-29  Marek Polacek  <polacek@redhat.com>
188         PR c++/87594 - constexpr rejects-valid with range-based for.
189         * constexpr.c (potential_constant_expression_1): If the condition
190         can't be evaluated, return true.
192 2018-10-29  Joseph Myers  <joseph@codesourcery.com>
193             Julian Brown  <julian@codesourcery.com>
195         PR c++/66053
196         * semantics.c (handle_omp_array_sections_1): Allow array
197         sections with "this" pointer for OpenACC.
199 2018-10-25  Jason Merrill  <jason@redhat.com>
201         * parser.c (cp_parser_sizeof_operand): Remove redundant use of
202         grokdeclarator.
204 2018-10-24  Jakub Jelinek  <jakub@redhat.com>
206         PR c++/86288
207         * parser.c (cp_parser_std_attribute): Canonicalize attr_ns, and when
208         :: is not present and attr_ns non-NULL, canonicalize also attr_id.
209         (cp_parser_attribute_spec): Fix comment typo.
211 2018-10-24  Martin Sebor  <msebor@redhat.com>
213         PR c++/84851
214         * call.c (maybe_warn_class_memaccess): Tighten up.
216 2018-10-17  David Malcolm  <dmalcolm@redhat.com>
218         * Make-lang.in (selftest-c++): New.
219         (CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++)
220         (selftest-c++-gdb, selftest-c++-valgrind): Move here from
221         gcc/Makefile.in.
223 2018-10-17  Paolo Carlini  <paolo.carlini@oracle.com>
225         PR c++/84705
226         * tree.c (build_cplus_new): Avoid duplicate diagnostic about
227         incomplete type, early return error_mark_node if the second
228         argument is error_mark_node.
230 2018-10-12  Nathan Sidwell  <nathan@acm.org>
232         * parser.h (struct cp_parser): Drop implicit_extern_c.
233         * parser.c (cp_debug_parser): Drop implicit_extern_c.
234         (cp_parser_new): Likewise.
235         (cp_parser_translation_unit): Handle implicit extern c here.  Call
236         cp_parser_toplevel_declaration.
237         (cp_parser_toplevel_declaration): New, broken out of ...
238         (cp_parser_declaration_seq_opt): ... here.  Call it.  Drop
239         implicit extern C handling.
241 2018-10-11  Will Wray  <wjwray@gmail.com>
243         PR c++/87364
244         * cxx-pretty-print.c (pp_cxx_enumeration_constant): New function.
245         (cxx_pretty_printer::constant): Use it.
247 2018-10-11  David Malcolm  <dmalcolm@redhat.com>
249         PR c++/84993
250         * call.c (enforce_access): Move diagnostics to...
251         (complain_about_access): ...this new function.
252         * cp-tree.h (class access_failure_info): Rename split out field
253         "m_field_decl" into "m_decl" and "m_diag_decl".
254         (access_failure_info::record_access_failure): Add tree param.
255         (access_failure_info::was_inaccessible_p): New accessor.
256         (access_failure_info::get_decl): New accessor.
257         (access_failure_info::get_diag_decl): New accessor.
258         (access_failure_info::get_any_accessor): New member function.
259         (access_failure_info::add_fixit_hint): New static member function.
260         (complain_about_access): New decl.
261         * typeck.c (access_failure_info::record_access_failure): Update
262         for change to fields.
263         (access_failure_info::maybe_suggest_accessor): Split out into...
264         (access_failure_info::get_any_accessor): ...this new function...
265         (access_failure_info::add_fixit_hint): ...and this new function.
266         (finish_class_member_access_expr): Split out "has no member named"
267         error-handling into...
268         (complain_about_unrecognized_member): ...this new function, and
269         check that the guessed name is accessible along the access path.
270         Only provide a spell-correction fix-it hint if it is; otherwise,
271         attempt to issue an accessor fix-it hint.
273 2018-10-11  Nathan Sidwell  <nathan@acm.org>
275         * parser.c (cp_parser_translation_unit): Return void.  Don't fail
276         at first extra }, simplify logic.
277         (c_parse_file): Call finish_translation_unit here.
279 2018-10-11  Jakub Jelinek  <jakub@redhat.com>
281         PR c++/87582
282         * typeck.c (maybe_warn_about_returning_address_of_local): If
283         whats_returned is a structured binding identifier and the structured
284         binding is a reference, recurse on its initializer.
286         PR c++/87547
287         * rtti.c (get_tinfo_decl_dynamic): Use unlowered_expr_type instead
288         of TREE_TYPE.
290 2018-10-10  Marek Polacek  <polacek@redhat.com>
292         PR c++/87567 - constexpr rejects call to non-constexpr function.
293         * constexpr.c (potential_constant_expression_1) <case FOR_STMT>: Return
294         true if the condition is always false.
295         <case WHILE_STMT>: Likewise.
297 2018-10-09  Paolo Carlini  <paolo.carlini@oracle.com>
299         PR c++/84423
300         * pt.c (convert_template_argument): Immediately return error_mark_node
301         if the second argument is erroneous.
302         * parser.c (cp_parser_type_id): Add location_t * parameter.
303         (cp_parser_type_id_1): Likewise.
304         (cp_parser_alias_declaration): Adjust cp_parser_type_id call,
305         obtain the location of the type and save it.
306         (cp_parser_template_type_arg): Adjust.
307         (cp_parser_trailing_type_id): Likewise.
308         * decl.c (grokdeclarator): Improve error message for 'auto' in
309         alias declaration.
311 2018-10-08  Paolo Carlini  <paolo.carlini@oracle.com>
313         PR c++/71128
314         * pt.c (do_decl_instantiation): Per 12.6.8/5, a concept cannot be
315         explicitly instantiated.
317 2018-10-05  David Malcolm  <dmalcolm@redhat.com>
319         PR c++/56856
320         * call.c (build_over_call): Build a vec of locations of the
321         arguments before the call to maybe_constant_value, and pass to
322         check_function_arguments.
323         * cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
324         c_get_substring_location.
325         * parser.c (cp_parser_string_literal): Capture string
326         concatenation locations.
328 2018-10-04  Nathan Sidwell  <nathan@acm.org>
330         * lang-specs.h: Use string contatenation, not line splicing.
332 2018-10-03  Jason Merrill  <jason@redhat.com>
334         Implement P0840, language support for empty objects.
335         * tree.c (handle_no_unique_addr_attribute): New.
336         (cxx_attribute_table): Add [[no_unique_address]].
337         * class.c (field_poverlapping_p): New.
338         (layout_class_type): Check it.  Adjust DECL_SIZE of potentially
339         overlapping fields.
340         (layout_empty_base_or_field): Rename from layout_empty_base, handle
341         FIELD_DECL as well.
342         (build_base_field, record_subobject_offsets): Adjust.
344 2018-10-03  Martin Liska  <mliska@suse.cz>
346         PR gcov-profile/86109
347         * parser.c (cp_parser_lambda_declarator_opt):
348         Set DECL_LAMBDA_FUNCTION for lambdas.
350 2018-10-02  Richard Biener  <rguenther@suse.de>
352         * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
354 2018-09-28  Eric Botcazou  <ebotcazou@adacore.com>
355             Pierre-Marie de Rodat  <derodat@adacore.com>
357         * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
359 2018-09-28  Richard Biener  <rguenther@suse.de>
361         * error.c (cp_print_error_function): Simplify by eliding
362         the BLOCK_ABSTRACT_ORIGIN chasing.
364 2018-09-27  Paolo Carlini  <paolo.carlini@oracle.com>
366         PR c++/84940
367         * semantics.c (finish_unary_op_expr): Check return value of
368         build_x_unary_op for error_mark_node.
370 2018-09-25  Jakub Jelinek  <jakub@redhat.com>
372         PR c++/87398
373         * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
374         look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
376 2018-09-25  Martin Liska  <mliska@suse.cz>
378         * name-lookup.c (namespace_scope_ht_size): Remove
379         unused function.
380         * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
382 2018-09-24  Paolo Carlini  <paolo.carlini@oracle.com>
384         PR c++/85070
385         * method.c (lazily_declare_fn): During error-recovery add_method
386         may return false.
388 2018-09-21  Marek Polacek  <polacek@redhat.com>
390         PR c++/87372 - __func__ constexpr evaluation.
391         * constexpr.c (maybe_constant_init_1): Pass false for strict down to
392         cxx_eval_outermost_constant_expr.
394 2018-09-20  Marek Polacek  <polacek@redhat.com>
396         PR c++/87109 - wrong ctor with maybe-rvalue semantics.
397         * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
398         check to only return if we're converting the return value to a base
399         class.
401 2018-09-20  Allan Sandfeld Jensen  <allan.jensen@qt.io>
403         * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
405 2018-09-20  Jason Merrill  <jason@redhat.com>
407         PR c++/87075 - ICE with constexpr array initialization.
408         * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
410 2018-09-19  Marek Polacek  <polacek@redhat.com>
412         Add -Wclass-conversion.
413         * decl.c (grok_op_properties): Change a warning from -Wconversion to
414         -Wclass-conversion.  Make it print the types.
416 2018-09-19  Paolo Carlini  <paolo.carlini@oracle.com>
418         PR c++/87324
419         * parser.c (cp_parser_initializer_list): Assign error_mark_node
420         to the index upon error.
422 2018-09-19  Marek Polacek  <polacek@redhat.com>
424         PR c++/87357 - missing -Wconversion warning
425         * decl.c (grok_op_properties): Remove diagnostic parts mentioning
426         a conversion to a reference to void.  Use
427         same_type_ignoring_top_level_qualifiers_p rather than comparing types
428         directly.
430 2018-09-18  Marek Polacek  <polacek@redhat.com>
432         P1064R0 - Allowing Virtual Function Calls in Constant Expressions
433         * call.c (build_over_call): No longer check if we're outside a template
434         function.
435         * class.c (build_vtbl_initializer): Build vtable's constructor with
436         indexes.
437         * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
438         initializer.  Handle OBJ_TYPE_REF.
439         (potential_constant_expression_1): Handle OBJ_TYPE_REF.
440         * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
441         (initialize_artificial_var): Mark the variable as constexpr.
442         (grokdeclarator): Change error to pedwarn.  Only warn when
443         pedantic and not C++2a.
445 2018-09-18  Paolo Carlini  <paolo.carlini@oracle.com>
447         PR c++/85065
448         * cp-tree.h (NON_ERROR): New.
449         * pt.c (auto_hash::hash): Use it.
450         (do_auto_deduction): Likewise.
452 2018-09-18  Nathan Sidwell  <nathan@acm.org>
454         PR c++/86881
455         * name-lookup.c (check_local_shadow): Ignore auto types.
457 2018-09-17  David Malcolm  <dmalcolm@redhat.com>
459         * error.c (range_label_for_type_mismatch::get_text): Update for
460         new param.
462 2018-09-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
464         * typeck2.c (digest_init_r): Fix overlength strings.
466 2018-09-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
468         PR c++/87093
469         * method.c (constructible_expr): We're in an unevaluated context
470         in all cases, not just for class targets.
472 2018-09-12  David Malcolm  <dmalcolm@redhat.com>
474         PR c++/85110
475         * call.c (struct conversion_info): Add "loc" field.
476         (arg_conversion_rejection): Add "loc" param, using it to
477         initialize the new field.
478         (bad_arg_conversion_rejection): Likewise.
479         (explicit_conversion_rejection): Initialize the new field to
480         UNKNOWN_LOCATION.
481         (template_conversion_rejection): Likewise.
482         (add_function_candidate): Pass on the argument location to the new
483         param of arg_conversion_rejection.
484         (add_conv_candidate): Likewise.
485         (build_builtin_candidate): Likewise.
486         (build_user_type_conversion_1): Likewise.
487         (single_z_candidate): New function.
488         (maybe_get_bad_conversion_for_unmatched_call): New function.
489         (complain_about_bad_argument): New function, based on part of
490         convert_for_assignment.
491         (build_new_method_call_1): Split out handling of the "no viable
492         candidates" case into...
493         (complain_about_no_candidates_for_method_call): ...this new
494         function, and use the new functions above to special-case the
495         handling of a single non-viable candidate due to a bad argument.
496         * cp-tree.h (complain_about_bad_argument): New decl.
497         * typeck.c (convert_for_assignment): Split out one error-handling
498         case into complain_about_bad_argument.
500 2018-09-09  Cesar Philippidis  <cesar@codesourcery.com>
501             Julian Brown  <julian@codesourcery.com>
503         PR middle-end/86336
504         * semantics.c (finish_omp_clauses): Treat C++ references the same in
505         OpenACC as OpenMP.
507 2018-08-28  Martin Liska  <mliska@suse.cz>
509         * constexpr.c (cxx_eval_call_expression): Add quotes
510         to -fconstexpr-depth=.
512 2018-09-10  Marek Polacek  <polacek@redhat.com>
514         * class.c (build_vtbl_ref): Remove.
515         (build_vtbl_ref_1): Rename to build_vtbl_ref.
516         (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
518 2018-09-08  Marek Polacek  <polacek@redhat.com>
520         PR c++/87150 - wrong ctor with maybe-rvalue semantics.
521         * call.c (struct conversion): Update commentary.
522         (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
523         for ck_base.
525 2018-09-08  Jason Merrill  <jason@redhat.com>
527         PR c++/86678 - constexpr function with non-constant after return.
528         * constexpr.c (potential_constant_expression_1): Add jump_target.
529         (breaks): Check for BREAK_STMT.
530         (continues): Check for CONTINUE_STMT.
532 2018-09-08  Marek Polacek  <polacek@redhat.com>
534         * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
535         RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
537 2018-09-07  Marek Polacek  <polacek@redhat.com>
539         PR c++/87152 - range-based for loops with initializer broken in templates.
540         * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
541         Recur into RANGE_FOR_INIT_STMT.
542         * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
543         * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
544         * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
545         RANGE_FOR_INIT_STMT.
546         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
547         RANGE_FOR_INIT_STMT.
548         * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
549         Do put the init statement in RANGE_FOR_INIT_STMT.
550         (finish_range_for_decl): Pop it for templates.
552 2018-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
554         * decl.c (check_initializer): Call cp_complete_array_type.
556 2018-09-05  Marek Polacek  <polacek@redhat.com>
558         PR c++/87109, wrong overload with ref-qualifiers.
559         * call.c (build_user_type_conversion_1): Use NULL instead of 0.  Bail
560         out if performing the maybe-rvalue overload resolution and a conversion
561         function is getting called.
563         PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
564         * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
565         to std::move or std::forward.
566         (is_std_forward_p): New function.
568 2018-09-05  Pádraig Brady  <p@draigbrady.com>
570         PR c++/87185
571         * lambda.c (prune_lambda_captures): Protect against const_vars.get
572         returning NULL.
574 2018-09-04  Marek Polacek  <polacek@redhat.com>
576         * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
577         * except.c (build_throw): Use it.  Use CP_TYPE_VOLATILE_P.
578         * typeck.c (treat_lvalue_as_rvalue_p): No longer static.  Add PARM_OK
579         parameter.
580         (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
581         (check_return_expr): Likewise.
583 2018-09-03  Paolo Carlini  <paolo.carlini@oracle.com>
585         PR c++/84980
586         * constraint.cc (finish_shorthand_constraint): Early return if the
587         constraint is erroneous.
589 2018-09-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
591         * decl.c (eval_check_narrowing): Remove.
592         (check_initializer): Move call to braced_list_to_string from here ...
593         * typeck2.c (store_init_value): ... to here.
594         (digest_init_r): Remove handing of signed/unsigned char strings.
596 2018-08-31  Nathan Sidwell  <nathan@acm.org>
598         PR c++/87155
599         PR c++/84707
600         * name-lookup.c (name_lookup::search_namespace): Don't look at
601         inlines when searching for NULL names.
603         * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
604         of return types and parms.
605         * parser.c (cp_parser_parameter_declaration_clause): Likewise,
606         '()' always means '(void)'.
608 2018-08-29  Jakub Jelinek  <jakub@redhat.com>
610         PR c++/87095
611         * decl.c (begin_destructor_body): If current_class_type has
612         virtual bases and the primary base is nearly empty virtual base,
613         voidify clearing of vptr and make it conditional on in-charge
614         argument.
616 2018-08-29  Paolo Carlini  <paolo.carlini@oracle.com>
618         PR c++/85265
619         * parser.c (cp_parser_introduction_list): If cp_parser_identifier
620         returns error_mark_node early exit the loop.
621         (cp_parser_template_introduction): Improve error-recovery, remove
622         error call about empty introduction-list.
624 2018-08-29  David Malcolm  <dmalcolm@redhat.com>
626         PR c++/85110
627         * call.c (print_conversion_rejection): Add "fn" param and use it
628         for "no known conversion" messages to underline the pertinent
629         param.
630         (print_z_candidate): Supply "fn" to the new param above.
632 2018-08-29  Jakub Jelinek  <jakub@redhat.com>
634         PR c++/87122
635         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
636         processing_template_decl and decl is structured binding decl, call
637         cp_finish_decomp.
639 2018-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
641         PR c++/86546
642         * decl.c (finish_case_label): If the type is erroneous early
643         return error_mark_node.
645 2018-08-27  David Malcolm  <dmalcolm@redhat.com>
647         PR c++/63392
648         * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
649         hint.
651 2018-08-27  Jakub Jelinek  <jakub@redhat.com>
653         PR c++/86993
654         * cp-tree.h (cxx_readonly_error): Add location_t argument.
655         * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
656         ERROR_FOR_ASSIGNMENT macro and readonly_error.  Add LOC argument
657         to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
658         pass LOC to it.  Formatting fixes.
659         * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
660         (cp_build_modify_expr): Pass loc to cxx_readonly_error.
661         * semantics.c (finish_asm_stmt): Pass input_location to
662         cxx_readonly_error.
664 2018-08-27  David Malcolm  <dmalcolm@redhat.com>
666         PR c++/87091
667         * decl.c (grokdeclarator): Update for conversion of show_caret_p
668         to a tri-state.
669         * error.c (cp_printer): Likewise.
670         * name-lookup.c (maybe_suggest_missing_std_header): Update call to
671         maybe_add_include_fixit to suggest overriding the location, as it
672         is for a note.
673         * parser.c (cp_parser_string_literal): Update for conversion of
674         show_caret_p to a tri-state.
675         (cp_parser_elaborated_type_specifier): Likewise.
676         (set_and_check_decl_spec_loc): Likewise.
677         * pt.c (listify): Update call to maybe_add_include_fixit to not
678         override the location, as it is for an error.
679         * rtti.c (typeid_ok_p): Likewise.
681 2018-08-27  Martin Liska  <mliska@suse.cz>
683         * call.c (build_call_a): Use new function
684         fndecl_built_in_p and remove check for FUNCTION_DECL if
685         possible.
686         (build_cxx_call): Likewise.
687         * constexpr.c (constexpr_fn_retval): Likewise.
688         (cxx_eval_builtin_function_call): Likewise.
689         (cxx_eval_call_expression): Likewise.
690         (potential_constant_expression_1): Likewise.
691         * cp-gimplify.c (cp_gimplify_expr): Likewise.
692         (cp_fold): Likewise.
693         * decl.c (decls_match): Likewise.
694         (validate_constexpr_redeclaration): Likewise.
695         (duplicate_decls): Likewise.
696         (make_rtl_for_nonlocal_decl): Likewise.
697         * name-lookup.c (consider_binding_level): Likewise.
698         (cp_emit_debug_info_for_using): Likewise.
699         * semantics.c (finish_call_expr): Likewise.
700         * tree.c (builtin_valid_in_constant_expr_p): Likewise.
702 2018-08-26  Marek Polacek  <polacek@redhat.com>
704         PR c++/87080
705         * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
707         PR c++/87029, Implement -Wredundant-move.
708         * typeck.c (treat_lvalue_as_rvalue_p): New function.
709         (maybe_warn_pessimizing_move): Call convert_from_reference.
710         Warn about redundant moves.
712 2018-08-24  Marek Polacek  <polacek@redhat.com>
714         PR c++/67012
715         PR c++/86942
716         * decl.c (grokdeclarator): Disallow functions with trailing return
717         type with decltype(auto) as its type.  Also check the function if
718         it's inner declarator doesn't exist
720 2018-08-21  Marek Polacek  <polacek@redhat.com>
722         PR c++/86499
723         * parser.c (cp_parser_lambda_introducer): Give error if a non-local
724         lambda has a capture-default.
726 2018-08-21  Paolo Carlini  <paolo.carlini@oracle.com>
728         * decl.c (check_static_variable_definition): Change to return void.
730 2018-08-21  Marek Polacek  <polacek@redhat.com>
732         PR c++/86981, Implement -Wpessimizing-move.
733         * typeck.c (decl_in_std_namespace_p): New.
734         (is_std_move_p): New.
735         (maybe_warn_pessimizing_move): New.
736         (can_do_nrvo_p): New, factored out of ...
737         (check_return_expr): ... here.  Warn about potentially harmful
738         std::move in a return statement.
740         PR c++/65043
741         * call.c (standard_conversion): Set check_narrowing.
742         * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
743         than comparing with INTEGER_TYPE.
745         * cp-tree.h: Fix typo.
747 2018-08-20  David Malcolm  <dmalcolm@redhat.com>
749         PR other/84889
750         * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
751         instance(s).
752         (print_error_for_call_failure): Likewise.
753         (build_op_call_1): Likewise.
754         (build_conditional_expr_1): Likewise.
755         (build_new_op_1): Likewise.
756         (build_op_delete_call): Likewise.
757         (convert_like_real): Likewise.
758         (build_over_call): Likewise.
759         (build_new_method_call_1): Likewise.
760         (joust): Likewise.
761         * class.c (check_tag): Likewise.
762         (finish_struct_anon_r): Likewise.
763         (one_inherited_ctor): Likewise.
764         (finalize_literal_type_property): Likewise.
765         (explain_non_literal_class): Likewise.
766         (find_flexarrays): Likewise.
767         (resolve_address_of_overloaded_function): Likewise.
768         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
769         (is_valid_constexpr_fn): Likewise.
770         (cx_check_missing_mem_inits): Likewise.
771         * cp-gimplify.c (cp_genericize_r): Likewise.
772         * cvt.c (maybe_warn_nodiscard): Likewise.
773         * decl.c (warn_extern_redeclared_static): Likewise.
774         (check_redeclaration_exception_specification): Likewise.
775         (check_no_redeclaration_friend_default_args): Likewise.
776         (duplicate_decls): Likewise.
777         (redeclaration_error_message): Likewise.
778         (warn_misplaced_attr_for_class_type): Likewise.
779         * decl2.c (finish_static_data_member_decl): Likewise.
780         (no_linkage_error): Likewise.
781         (cp_warn_deprecated_use): Likewise.
782         * error.c (qualified_name_lookup_error): Likewise.
783         * friend.c (make_friend_class): Likewise.
784         (do_friend): Likewise.
785         * init.c (perform_member_init): Likewise.
786         (build_new_1): Likewise.
787         (build_vec_delete_1): Likewise.
788         (build_delete): Likewise.
789         * lex.c (unqualified_name_lookup_error): Likewise.
790         * name-lookup.c (check_extern_c_conflict): Likewise.
791         (inform_shadowed): New function.
792         (check_local_shadow): Add auto_diagnostic_group instances,
793         replacing goto "inform_shadowed" label with call to subroutine.
794         (set_local_extern_decl_linkage): Add auto_diagnostic_group
795         instance(s).
796         * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
797         (cp_parser_namespace_name): Likewise.
798         * pt.c (check_specialization_namespace): Likewise.
799         (check_template_variable): Likewise.
800         (warn_spec_missing_attributes): Likewise.
801         (check_explicit_specialization): Likewise.
802         (process_partial_specialization): Likewise.
803         (lookup_template_class_1): Likewise.
804         (finish_template_variable): Likewise.
805         (do_auto_deduction): Likewise.
806         * search.c (check_final_overrider): Likewise.
807         (look_for_overrides_r): Likewise.
808         * tree.c (maybe_warn_parm_abi): Likewise.
809         * typeck.c (cxx_sizeof_expr): Likewise.
810         (cp_build_function_call_vec): Likewise.
811         (cp_build_binary_op): Likewise.
812         (convert_for_assignment): Likewise.
813         (maybe_warn_about_returning_address_of_local): Likewise.
814         * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
815         (check_narrowing): Likewise.
817 2018-08-17  David Malcolm  <dmalcolm@redhat.com>
819         * typeck.c (string_conv_p): Extract location from EXP and use it
820         in preference to input_location when issuing warnings.
822 2018-08-15  David Malcolm  <dmalcolm@redhat.com>
824         * call.c: Include "gcc-rich-location.h".
825         (convert_like_real): Add range label for "invalid conversion"
826         diagnostic.
827         (perform_implicit_conversion_flags): Add type label to the
828         "could not convert" error.
829         * error.c: Include "gcc-rich-location.h".
830         (range_label_for_type_mismatch::get_text): New function.
831         * typeck.c (convert_for_assignment): Add type label to
832         the "cannot convert" error if a location is available.
834 2018-08-15  Paolo Carlini  <paolo.carlini@oracle.com>
836         * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
837         emit an error instead of a permerror.
839 2018-08-13  Marek Polacek  <polacek@redhat.com>
841         PR c++/57891
842         * call.c (struct conversion): Add check_narrowing_const_only.
843         (build_converted_constant_expr): Set check_narrowing and
844         check_narrowing_const_only.  Give error if expr is error node.
845         (convert_like_real): Pass it to check_narrowing.
846         * cp-tree.h (check_narrowing): Add a default parameter.
847         * decl.c (compute_array_index_type): Use input_location instead of
848         location_of.
849         * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
850         * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
851         expressions.  Call maybe_constant_value instead of
852         fold_non_dependent_expr.  Don't mention { } in diagnostic.  Only check
853         narrowing for constants if CONST_ONLY.
855 2018-08-13  Martin Sebor  <msebor@redhat.com>
857         PR tree-optimization/71625
858         * decl.c (check_initializer):  Call braced_list_to_string.
859         (eval_check_narrowing): New function.
860         * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
861         as initilizers for all narrow character types.
863 2018-08-13  Marek Polacek  <polacek@redhat.com>
865         P0806R2 - Deprecate implicit capture of this via [=]
866         * lambda.c (add_default_capture): Formatting fixes.  Warn about
867         deprecated implicit capture of this via [=].
869         PR c++/86915
870         * decl.c (create_array_type_for_decl): Handle null name.
872 2018-08-10  Jason Merrill  <jason@redhat.com>
874         PR c++/86728 - C variadic generic lambda.
875         * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
876         a pack if it's followed by a declarator-id.
878 2018-08-08  Jakub Jelinek  <jakub@redhat.com>
880         P0595R1 - is_constant_evaluated
881         * cp-tree.h (enum cp_built_in_function): New.
882         (maybe_constant_init): Add pretend_const_required argument.
883         * typeck2.c (store_init_value): Pass true as new argument to
884         maybe_constant_init.
885         * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
886         for BUILT_IN_UNREACHABLE.
887         (struct constexpr_ctx): Add pretend_const_required field.
888         (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
889         macro.  Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED.  Check also
890         DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
891         (cxx_eval_outermost_constant_expr): Add pretend_const_required
892         argument, initialize pretend_const_required field in ctx.  If the
893         result is TREE_CONSTANT and non_constant_p, retry with
894         pretend_const_required false if it was true.
895         (is_sub_constant_expr): Initialize pretend_const_required_field in
896         ctx.
897         (cxx_constant_value): Pass true as pretend_const_required to
898         cxx_eval_outermost_constant_expr.
899         (maybe_constant_value): Pass false as pretend_const_required to
900         cxx_eval_outermost_constant_expr.
901         (fold_non_dependent_expr): Likewise.
902         (maybe_constant_init_1): Add pretend_const_required argument, pass it
903         down to cxx_eval_outermost_constant_expr.  Pass !allow_non_constant
904         instead of false as strict to cxx_eval_outermost_constant_expr.
905         (maybe_constant_init): Add pretend_const_required argument, pass it
906         down to maybe_constant_init_1.
907         (cxx_constant_init): Pass true as pretend_const_required to
908         maybe_constant_init_1.
909         * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
910         CP_BUILT_IN_IS_CONSTANT_EVALUATED.
911         (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
912         * decl.c: Include langhooks.h.
913         (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
914         built-in.
915         * tree.c (builtin_valid_in_constant_expr_p): Return true for
916         CP_BUILT_IN_IS_CONSTANT_EVALUATED.
917         * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
919         PR c++/86836
920         * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
921         before tsubst_init, not after it.
923         PR c++/86738
924         * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
925         NULL pointer set *non_constant_p to true.
926         (cxx_eval_component_reference): For dereferencing of a NULL pointer,
927         set *non_constant_p to true and return t.
929 2018-08-07  Paolo Carlini  <paolo.carlini@oracle.com>
931         PR c++/59480, DR 136
932         * decl.c (check_no_redeclaration_friend_default_args): New.
933         (duplicate_decls): Use the latter; also check that a friend
934         declaration specifying default arguments is a definition.
936 2018-08-07  Ville Voutilainen  <ville.voutilainen@gmail.com>
938         PR c++/79133
939         * name-lookup.c (check_local_shadow): Reject captures and parameters
940         with the same name.
942 2018-08-06  Marek Polacek  <polacek@redhat.com>
944         PR c++/86767
945         * constexpr.c (cxx_eval_statement_list): Handle continue.
947 2018-08-03  David Malcolm  <dmalcolm@redhat.com>
948             Jonathan Wakely  <jwakely@redhat.com>
950         * decl.c: Include "gcc-rich-location.h".
951         (add_return_star_this_fixit): New function.
952         (finish_function): When warning about missing return statements in
953         functions returning non-void, add a "return *this;" fix-it hint for
954         assignment operators.
956 2018-08-03  Jason Merrill  <jason@redhat.com>
958         PR c++/86706
959         * class.c (build_base_path): Use currently_open_class.
961 2018-08-02  David Malcolm  <dmalcolm@redhat.com>
963         * error.c (cxx_print_error_function): Duplicate "file" before
964         passing it to pp_set_prefix.
965         (cp_print_error_function): Use pp_take_prefix when saving the
966         existing prefix.
968 2018-08-02  Richard Biener  <rguenther@suse.de>
970         PR c++/86763
971         * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
972         to the CLASSTYPE_AS_BASE.
974 2018-08-01  Martin Sebor  <msebor@redhat.com>
976         PR tree-optimization/86650
977         * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
978         TREE_BLOCK (t) from within percent_K_format to this callsite.
980 2018-08-01  Paolo Carlini  <paolo.carlini@oracle.com>
982         PR c++/86661
983         * class.c (note_name_declared_in_class): Use location_of in permerror
984         instead of DECL_SOURCE_LOCATION (for OVERLOADs).
986 2018-07-31  Tom de Vries  <tdevries@suse.de>
988         PR debug/86687
989         * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
991 2018-07-31  Jakub Jelinek  <jakub@redhat.com>
993         P1008R1 - prohibit aggregates with user-declared constructors
994         * class.c (check_bases_and_members): For C++2a set
995         CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
996         type_has_user_provided_or_explicit_constructor.
998 2018-07-31  Martin Liska  <mliska@suse.cz>
1000         PR c++/86653
1001         * parser.c (cp_parser_condition): Initialize non_constant_p
1002         to false.
1004 2018-07-28  David Malcolm  <dmalcolm@redhat.com>
1006         * error.c (cp_printer): In the leading comment, move "%H" and "%I"
1007         into alphabetical order, and add missing "%G" and "%K".  Within
1008         the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
1009         cases are in alphabetical order.
1011 2018-07-25  Jakub Jelinek  <jakub@redhat.com>
1013         * cp-tree.h (enum cp_tree_index): Add
1014         CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
1015         and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
1016         (abi_tag_identifier, aligned_identifier, begin_identifier,
1017         end_identifier, get__identifier, gnu_identifier,
1018         tuple_element_identifier, tuple_size_identifier, type_identifier,
1019         value_identifier, fun_identifier, closure_identifier): Define.
1020         * decl.c (initialize_predefined_identifiers): Initialize the above
1021         identifiers.
1022         (get_tuple_size): Use tuple_size_identifier instead of
1023         get_identifier ("tuple_size") and value_identifier instead of
1024         get_identifier ("value").
1025         (get_tuple_element_type): Use tuple_element_identifier instead of
1026         get_identifier ("tuple_element") and type_identifier instead of
1027         get_identifier ("type").
1028         (get_tuple_decomp_init): Use get__identifier instead of
1029         get_identifier ("get").
1030         * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
1031         get_identifier ("_FUN").
1032         * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
1033         instead of get_identifier ("__closure").
1034         (cp_parser_std_attribute): Use gnu_identifier instead of
1035         get_identifier ("gnu").
1036         (cp_parser_std_attribute_spec): Likewise.  Use aligned_identifier
1037         instead of get_identifier ("aligned").
1038         * class.c (check_abi_tags, inherit_targ_abi_tags): Use
1039         abi_tag_identifier instead of get_identifier ("abi_tag").
1041         PR c++/85515
1042         * cp-tree.h (enum cp_tree_index): Add
1043         CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
1044         (for_range__identifier, for_begin__identifier, for_end__identifier,
1045         for_range_identifier, for_begin_identifier, for_end_identifier):
1046         Define.
1047         * decl.c (initialize_predefined_identifiers): Initialize
1048         for_{range,begin,end}{,_}_identifier.
1049         * parser.c (build_range_temp): Use for_range__identifier instead of
1050         get_identifier ("__for_range").
1051         (cp_convert_range_for): Use for_begin__identifier and
1052         for_end__identifier instead of get_identifier ("__for_begin") and
1053         get_identifier ("__for_end").
1054         * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
1055         local symbols to "__for_{range,begin,end}".
1057 2018-07-23  Jakub Jelinek  <jakub@redhat.com>
1059         PR c++/86569
1060         * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
1061         of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
1062         or warn_nonnull_compare.
1064 2018-07-19  Paolo Carlini  <paolo.carlini@oracle.com>
1066         Revert fix for c++/59480 (and testsuite followup)
1068         2019-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
1070         PR c++/59480, DR 136
1071         * decl.c (check_no_redeclaration_friend_default_args): New.
1072         (duplicate_decls): Use the latter; also check that a friend
1073         declaration specifying default arguments is a definition.
1075 2018-07-18  Jakub Jelinek  <jakub@redhat.com>
1077         PR c++/86550
1078         * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
1079         specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
1081 2018-07-18  Marek Polacek  <polacek@redhat.com>
1083         PR c++/86190 - bogus -Wsign-conversion warning
1084         * typeck.c (cp_build_binary_op): Fix formatting.  Add a warning
1085         sentinel.
1087 2018-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
1089         PR c++/59480, DR 136
1090         * decl.c (check_no_redeclaration_friend_default_args): New.
1091         (duplicate_decls): Use the latter; also check that a friend
1092         declaration specifying default arguments is a definition.
1094 2018-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
1096         * class.c (note_name_declared_in_class): Prefer permerror + inform
1097         to a pair of permerrors; use DECL_SOURCE_LOCATION.
1099 2018-07-18  Richard Biener  <rguenther@suse.de>
1101         PR debug/86523
1102         * decl2.c (c_parse_final_cleanups): Call write_out_vars before
1103         start_static_storage_duration_function sets current_function_decl.
1105 2018-07-17  Jason Merrill  <jason@redhat.com>
1107         PR c++/86480 - nested variadic lambda and constexpr if.
1108         * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
1109         IF_STMT_EXTRA_ARGS.
1110         * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
1111         cp_unevaluated_operand.
1112         [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
1114 2018-07-16  Paolo Carlini  <paolo.carlini@oracle.com>
1116         * class.c (resolve_address_of_overloaded_function): Don't emit an
1117         inform if the matching permerror returns false.
1118         * pt.c (check_specialization_namespace): Likewise.
1120 2018-07-16  Jakub Jelinek  <jakub@redhat.com>
1122         PR c++/3698
1123         PR c++/86208
1124         * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
1125         in TREE_USED flag from stmt to h->to.
1127 2018-07-13  Nathan Sidwell  <nathan@acm.org>
1129         PR c++/86374
1130         * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
1131         contexts that are classes.
1132         * parser.c (cp_parser_template_id): Combine entering_scope decl &
1133         initializer.
1135 2018-07-12  Jakub Jelinek  <jakub@redhat.com>
1137         * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
1138         type here, instead add "omp declare target implicit" attribute.  Add
1139         that attribute instead of "omp declare target" also when
1140         processing_template_decl.
1141         * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
1142         and before calling cp_omp_mappable_type call complete_type.
1144 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
1146         PR sanitizer/86406
1147         * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
1148         DEBUG_BEGIN_STMTs.
1150         PR c++/86443
1151         * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
1152         instead of setting *lastp turn orig_declv elt into a TREE_LIST.
1153         (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
1154         * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
1155         TREE_LIST for both the original class iterator and the "last" helper
1156         var.
1158 2018-07-09  Paolo Carlini  <paolo.carlini@oracle.com>
1160         * decl.c (grokdeclarator): Use rich_location::add_range in three
1161         more places; include gcc-rich-location.h.
1163 2018-07-07  Aldy Hernandez  <aldyh@redhat.com>
1165         * decl.c (build_enumerator): Change overflow type to overflow_type.
1166         * init.c (build_new_1): Same.
1168 2018-07-05  Nathan Sidwell  <nathan@acm.org>
1170         * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
1171         NO_IMPLICIT_EXTERN_C.
1172         * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
1174 2018-07-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1176         PR c++/86398
1177         * method.c (is_trivially_xible): Return false
1178         if is_xible_helper returns a NULL_TREE.
1180 2018-07-03  Paolo Carlini  <paolo.carlini@oracle.com>
1182         * decl.c (min_location): New.
1183         (smallest_type_quals_location): Use the latter.
1184         (check_concept_fn): Use DECL_SOURCE_LOCATION.
1185         (grokdeclarator): Use accurate locations in a number of error
1186         messages involving ds_thread, ds_storage_class, ds_virtual,
1187         ds_constexpr, ds_typedef and ds_friend; exploit min_location.
1189 2018-07-03  Marek Polacek  <polacek@redhat.com>
1191         PR c++/86201
1192         * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
1194 2018-07-03  Jason Merrill  <jason@redhat.com>
1196         PR c++/86378 - functional cast in noexcept-specifier.
1197         * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
1199 2018-07-02  Paolo Carlini  <paolo.carlini@oracle.com>
1201         * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
1202         in error message about __thread and thread_local at the same time.
1204 2018-06-29  Marek Polacek  <polacek@redhat.com>
1206         PR c++/86184
1207         * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
1209 2018-06-28  David Malcolm  <dmalcolm@redhat.com>
1211         * parser.c (cp_parser_error_1): After issuing a conflict marker
1212         error, consume tokens until the end of the source line.
1214 2018-06-28  Jason Merrill  <jason@redhat.com>
1216         PR c++/86342 - -Wdeprecated-copy and system headers.
1217         * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
1218         in system headers.
1220 2018-06-27  David Malcolm  <dmalcolm@redhat.com>
1222         PR c++/86329
1223         * name-lookup.c (consider_binding_level): Filter out names that
1224         match anon_aggrname_p.
1226 2018-06-27  Jason Merrill  <jason@redhat.com>
1228         * name-lookup.c (do_pushtag): If we skip a class level, also skip
1229         its template level.
1231 2018-06-26  Jason Merrill  <jason@redhat.com>
1233         PR c++/86320 - memory-hog with std::array of pair
1234         * typeck2.c (process_init_constructor_array): Only compute a
1235         constant initializer once.
1237         PR c++/80290 - memory-hog with std::pair.
1238         * pt.c (fn_type_unification): Add convs parameter.
1239         (check_non_deducible_conversion): Remember conversion.
1240         (check_non_deducible_conversions): New.  Do checks here.
1241         (type_unification_real): Not here.  Remove flags parm.
1242         * call.c (add_function_candidate): Make convs a parameter.
1243         Don't recalculate the conversion if it's already set.
1244         (add_template_candidate_real): Allocate convs here.
1245         (good_conversion, conv_flags): New.
1247 2018-06-26  Jakub Jelinek  <jakub@redhat.com>
1249         PR c++/86291
1250         * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
1251         type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
1253 2018-06-23  Paolo Carlini  <paolo.carlini@oracle.com>
1255         * decl.c (bad_specifiers): Add const location_t* parameter and
1256         use locations in error messages about 'inline' and 'virtual'.
1257         (mark_inline_variable): Add location_t parameter and use it in
1258         error_at and pedwarn messages.
1259         (grokdeclarator): Use declspecs->locations[ds_constexpr],
1260         declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
1261         declspecs->locations[ds_inline] in many error messages; adjust
1262         bad_specifiers and mark_inline_variable calls.
1263         (grokvardecl): Use declspecs->locations[ds_concept] in error message.
1265 2018-06-22  Jason Merrill  <jason@redhat.com>
1267         PR c++/86219 - ICE with erroneous initializer in template.
1268         * constexpr.c (fold_non_dependent_expr): Add complain parm.
1269         * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
1270         Pass it.
1271         * call.c (build_cxx_call): Don't mess with builtins in a template.
1272         * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
1273         produce a constant value, go back to the uninstantiated form.
1275         Avoid taking the address of something just because it's in parens.
1276         * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
1277         (cxx_fold_indirect_ref): Use it.
1278         (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
1279         * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
1280         * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
1281         static_cast to reference type.
1282         (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
1284 2018-06-21  Jason Merrill  <jason@redhat.com>
1286         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
1288         * name-lookup.c (do_push_to_top_level): Don't allocate
1289         current_lang_base.
1290         (do_pop_from_top_level): Release current_lang_base.
1292         Let -fmem-report see callers of cxx_make_type.
1293         * lex.c (cxx_make_type): Add MEM_STAT_DECL.
1294         (make_class_type): Likewise.
1295         (cxx_make_type_hook): New.
1296         * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
1298 2018-06-20  Nathan Sidwell  <nathan@acm.org>
1300         PR c++/85634
1301         * friend.c (add_friend): Keep lookup sets of tempate sets.
1303 2018-06-20  Paolo Carlini  <paolo.carlini@oracle.com>
1305         * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
1306         tidy handling of a null location_t argument; use proper location
1307         information in a few additional error messages.
1308         (grokdeclarator): Update calls.
1310 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
1311             Thomas Schwinge <thomas@codesourcery.com>
1312             Cesar Philippidis  <cesar@codesourcery.com>
1314         * parser.c (cp_parser_omp_clause_name): Add support for finalize
1315         and if_present. Make present_or_{copy,copyin,copyout,create} aliases
1316         to their non-present_or_* counterparts. Make 'self' an alias to
1317         PRAGMA_OACC_CLAUSE_HOST.
1318         (cp_parser_oacc_data_clause): Update GOMP mappings for
1319         PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
1320         PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
1321         (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
1322         Remove support for present_or_* clauses.
1323         (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1324         (OACC_PARALLEL_CLAUSE_MASK): Likewise.
1325         (OACC_DECLARE_CLAUSE_MASK): Likewise.
1326         (OACC_DATA_CLAUSE_MASK): Likewise.
1327         (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1328         (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
1329         (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
1330         (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
1331         * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
1332         * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
1334 2018-06-20  Marek Polacek  <polacek@redhat.com>
1336         PR c++/86240
1337         * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
1338         (fold_simple_1): Likewise.
1339         * error.c (dump_expr): Likewise.
1341 2018-06-20  Nathan Sidwell  <nathan@acm.org>
1343         PR c++/85634
1344         * cp-tree.h (lookup_keep): Drop KEEP parm.
1345         (lookup_list_keep): Delete.
1346         (maybe_get_fns): Declare.
1347         * parser.c (cp_parser_primary_expression): Call lookup_keep here.
1348         (cp_parser_template_id): Not here ...
1349         * decl.c (cp_finish_decl): ... nor here ...
1350         * init.c (build_raw_new_expr): ... nor here ...
1351         * pt.c (process_template_parm): ... nor here ...
1352         * semantics.c (perform_koenig_lookup): Call lookup_keep.
1353         (finish_call_expr): Not here.
1354         * tree.c (ovl_cache): Delete.
1355         (ovl_make, ovl_copy): No cache.
1356         (lookup_keep): Always keep.
1357         (lookup_list_keep): Delete.
1358         (maybe_get_fns): New, broken out of ...
1359         (get_fns): ... here.  Call it.
1360         (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
1361         (build_min_nt_call_vec): Likewise.
1363 2018-06-19  Jason Merrill  <jason@redhat.com>
1365         * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
1366         * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
1368         PR c++/86182 - ICE with anonymous union passed to template.
1369         * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1370         used to declare a named variable.
1372 2018-06-18  Jason Merrill  <jason@redhat.com>
1374         * tree.c (cp_expr_location): New.
1375         * cp-tree.h (cp_expr_loc_or_loc): New.
1376         * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1377         error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1378         typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1380         * parser.c (cp_parser_lambda_expression): Use a range for
1381         LAMBDA_EXPR_LOCATION.
1383         PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1384         * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1385         function type.
1387         PR c++/81060 - ICE with unexpanded parameter pack.
1388         * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1389         * decl.c (grokdeclarator): Call it for qualifying_scope.
1391         PR c++/86171 - ICE with recursive alias instantiation.
1392         * pt.c (tsubst_decl): Handle recursive alias instantiation.
1394 2018-06-18  Paolo Carlini  <paolo.carlini@oracle.com>
1396         * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1397         in errors about redefined default arguments; tidy.
1399 2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>
1401         * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1402         * cp-gimplify.c (cp_fold): Likewise.
1404 2018-06-15  Jason Merrill  <jason@redhat.com>
1406         PR c++/86147 - wrong capture for template argument.
1407         * expr.c (mark_use): Look through NOP_EXPR.
1409         * name-lookup.c (do_pushtag): Don't look through complete types, but
1410         don't add to them either.  Get context from current_binding_level.
1411         * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1413         * decl.c (start_enum): Do compare dependent underlying type.
1415         PR c++/82882 - ICE with lambda in template default argument.
1416         * lambda.c (record_null_lambda_scope): New.
1417         * pt.c (tsubst_lambda_expr): Use it.
1418         * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1419         function that isn't open.
1421         * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1423 2018-06-14  Marek Polacek  <polacek@redhat.com>
1425         PR c++/86063
1426         * decl2.c (cp_check_const_attributes): Skip trees that are not
1427         TREE_LISTs.
1429 2018-06-14  Jakub Jelinek  <jakub@redhat.com>
1431         P0624R2 - Default constructible and assignable stateless lambdas
1432         * method.c (synthesized_method_walk): For C++2a don't mark
1433         sfk_constructor or sfk_copy_assignment as deleted if lambda has
1434         no lambda-captures.
1436 2018-06-14  Paolo Carlini  <paolo.carlini@oracle.com>
1438         * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1439         OPT_Wshadow warning_at.
1440         (grokfndecl): Consistently use the location_t argument in
1441         literal operator diagnostic messages.
1442         (grokdeclarator): Use declspecs->locations[ds_storage_class]
1443         in error_at call.
1444         * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1445         in permerror call.
1447 2018-06-13  Jason Merrill  <jason@redhat.com>
1449         PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1450         * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1451         constructors.
1453         PR c++/86094 - wrong code with defaulted move ctor.
1454         * class.c (classtype_has_non_deleted_move_ctor): New.
1455         * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1456         Handle v12 breakage.
1458 2018-06-12  Jason Merrill  <jason@redhat.com>
1460         PR c++/86098 - ICE with template placeholder for TTP.
1461         * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1462         CLASS_PLACEHOLDER_TEMPLATE.
1464 2018-06-12  Paolo Carlini  <paolo.carlini@oracle.com>
1466         * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1467         parameter and adjust error_at calls.
1468         * decl.c (grok_op_properties): Adjust calls.
1469         * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1471 2018-06-12  Marek Polacek  <polacek@redhat.com>
1473         Core issue 1331 - const mismatch with defaulted copy constructor
1474         * class.c (check_bases_and_members): When checking a defaulted
1475         function, mark it as deleted rather than giving an error.
1477 2018-06-11  Jason Merrill  <jason@redhat.com>
1479         PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1480         * class.c (maybe_warn_about_overly_private_class): Handle inherited
1481         constructors.
1483         PR c++/85963 - -Wunused-but-set with ?: in template.
1484         * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1486 2018-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
1488         * decl.c (grok_op_properties): Consistently use the location
1489         of the decl; remove special casing of POSTINCREMENT_EXPR and
1490         POSTDECREMENT_EXPR wrt default arguments.
1492 2018-06-05  Jason Merrill  <jason@redhat.com>
1494         * constexpr.c (cxx_eval_binary_expression): Special case comparison
1495         of pointers to members of the same union.
1497 2018-06-11  Jason Merrill  <jason@redhat.com>
1499         PR c++/86094 - wrong code with defaulted move ctor.
1500         * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1502 2018-06-10  Paolo Carlini  <paolo.carlini@oracle.com>
1504         * decl.c (grokfndecl): Use the location_t argument in two more places.
1506 2018-06-06  Marek Polacek  <polacek@redhat.com>
1508         PR c++/85977
1509         * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1510         deduction from the list elements.
1511         (type_unification_real): Check convertibility of list elements.
1513 2018-06-06  Jason Merrill  <jason@redhat.com>
1515         PR c++/86060 - ICE on range for with -std=c++98.
1516         * parser.c (cp_parser_init_statement): Don't clobber *decl after
1517         pedwarn.
1519         PR c++/85710 - ICE with -Wmemset-elt-size.
1520         * semantics.c (finish_call_expr): Call warn_for_memset here.
1521         * parser.c (cp_parser_postfix_expression): Not here.
1522         (literal_integer_zerop): No longer static.
1523         * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1525 2018-06-05  Marek Polacek  <polacek@redhat.com>
1527         PR c++/85976
1528         * tree.c (cp_tree_equal): Handle USING_DECL.
1530 2018-06-05  Jason Merrill  <jason@redhat.com>
1532         PR c++/85731 - wrong error with qualified-id in template.
1533         * semantics.c (finish_qualified_id_expr): build_qualified_name
1534         for unbound names in the current class.
1536 2018-06-04  Jason Merrill  <jason@redhat.com>
1538         PR c++/61806 - missed SFINAE with partial specialization.
1539         * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1540         parameter to constructor.
1541         * pt.c (instantiate_class_template_1): Enable access checking
1542         before call to most_specialized_partial_spec.
1544         PR c++/85765 - SFINAE and non-type default template arg.
1545         * pt.c (type_unification_real): Do full semantic processing if
1546         substituting a partial args list replaces all template parms.
1548 2018-06-03  Jason Merrill  <jason@redhat.com>
1550         PR c++/85739 - ICE with pointer to member template parm.
1551         * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1553 2018-06-02  Jason Merrill  <jason@redhat.com>
1555         PR c++/85761 - ICE with ill-formed use of const outer variable.
1556         * expr.c (mark_use): Handle location wrappers.
1558 2018-06-01  Jason Merrill  <jason@redhat.com>
1560         PR c++/85764 - bogus 'this' not captured error.
1561         * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1562         (nonlambda_method_basetype): Handle NSDMI.
1564         CWG 1581: When are constexpr member functions defined?
1565         * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1566         (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1568         PR c++/58281 - explicit instantiation of constexpr
1569         * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1571         * pt.c (instantiate_decl): Any defaulted function is defined.
1573 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
1575         PR c++/77777
1576         * call.c (resolve_args): Use location of expression, not current input
1577         location.
1579 2018-05-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
1581         Do not warn about zero-as-null when NULL is used.
1582         * call.c (conversion_null_warnings): Check for pointer
1583         types converted from zero constants.
1584         (convert_like_real): Add a warning sentinel at the end.
1585         * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1586         check null_node_p.
1588 2018-05-30  Jason Merrill  <jason@redhat.com>
1590         PR c++/85807 - ICE with call in template NSDMI.
1591         * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1592         * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1594         PR c++/85873 - constant initializer_list array not in .rodata.
1595         * tree.c (build_target_expr): Set TREE_READONLY.
1596         * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1598         * parser.c (cp_parser_check_condition_declarator): Handle
1599         cp_error_declarator.
1601 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
1603         * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1604         of using it in dead store.
1606 2018-05-29  Jason Merrill  <jason@redhat.com>
1608         PR c++/67445 - returning temporary initializer_list.
1609         PR c++/67711 - assigning from temporary initializer_list.
1610         PR c++/48562 - new initializer_list.
1611         * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1612         about returning local initializer_list.
1613         * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1614         * call.c (build_over_call): Warn about assignment from temporary
1615         init_list.
1616         * init.c (build_new_1): Warn about 'new std::initializer_list'.
1617         (find_list_begin, maybe_warn_list_ctor): New.
1618         (perform_member_init): Use maybe_warn_list_ctor.
1620 2018-05-29  Marek Polacek  <polacek@redhat.com>
1622         PR c++/85883
1623         * init.c (build_new): Handle deducing a class with new
1624         with more than one argument.
1626 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
1628         PR c++/85952
1629         * init.c (build_aggr_init): For structured binding initialized from
1630         array call mark_rvalue_use on the initializer.
1632 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1634         * decl2.c (start_static_storage_duration_function): Use
1635         splay_tree_delete_pointers.
1637 2018-05-25  Jason Merrill  <jason@redhat.com>
1639         PR c++/85815 - reference to member of enclosing template.
1640         * search.c (lookup_base): Use currently_open_class.
1641         (lookup_member): Use it regardless of -fconcepts.
1642         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1644         CWG 616, 1213 - value category of subobject references.
1645         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1647 2018-05-24  Jason Merrill  <jason@redhat.com>
1649         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1650         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1651         generic lambda.
1653 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
1655         Pedwarn on a non-standard position of a C++ attribute.
1656         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1657         after the namespace name.
1659 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
1661         * cp-tree.h (INDIRECT_TYPE_P): New.
1662         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1663         joust): Use it instead of POINTER_TYPE_P.
1664         * class.c (update_vtable_entry_for_fn, find_flexarrays,
1665         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1666         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1667         * cxx_eval_increment_expression, potential_constant_expression_1):
1668         Likewise.
1669         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1670         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1671         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1672         cp_ubsan_maybe_instrument_downcast): Likewise.
1673         * cvt.c (cp_convert_to_pointer, ocp_convert,
1674         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1675         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1676         pp_cxx_offsetof_expression_1): Likewise.
1677         * decl.c (grokparms, static_fn_type): Likewise.
1678         * decl2.c (grokbitfield): Likewise.
1679         * error.c (dump_expr): Likewise.
1680         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1681         * init.c (warn_placement_new_too_small): Likewise.
1682         * lambda.c (build_capture_proxy, add_capture): Likewise.
1683         * parser.c (cp_parser_omp_for_loop): Likewise.
1684         * pt.c (convert_nontype_argument, fn_type_unification,
1685         uses_deducible_template_parms, check_cv_quals_for_unify,
1686         dependent_type_p_r): Likewise.
1687         * search.c (check_final_overrider): Likewise.
1688         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1689         finish_omp_for): Likewise.
1690         * tree.c (cp_build_qualified_type_real): Likewise.
1691         * typeck.c (build_class_member_access_expr,
1692         finish_class_member_access_expr, build_x_indirect_ref,
1693         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1694         Likewise.
1696 2018-05-24  Jason Merrill  <jason@redhat.com>
1698         PR c++/85864 - literal template and default template arg.
1699         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1701 2018-05-24  Marek Polacek  <polacek@redhat.com>
1703         PR c++/85847
1704         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
1705         variable for its result.  Fix a condition.
1706         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
1708 2018-05-23  Jason Merrill  <jason@redhat.com>
1710         Fix cast to rvalue reference from prvalue.
1711         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1712         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1713         non-class type.  Handle xvalue argument.
1714         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1715         rvalue reference.
1716         * semantics.c (finish_compound_literal): Do direct-initialization,
1717         not cast, to initialize a reference.
1719         CWG 616, 1213 - value category of subobject references.
1720         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1721         an xvalue.
1722         * typeck2.c (build_m_component_ref): Likewise.
1723         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1724         distinction between temporary and xvalue.
1726 2018-05-23  Marek Polacek  <polacek@redhat.com>
1728         Implement P0614R1, Range-based for statements with initializer.
1729         * parser.c (cp_parser_range_based_for_with_init_p): New.
1730         (cp_parser_init_statement): Use it.  Parse the optional init-statement
1731         for a range-based for loop.
1732         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1734 2018-05-22  Jason Merrill  <jason@redhat.com>
1736         PR c++/81420 - not extending temporary lifetime.
1737         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1738         * class.c (build_base_path): Avoid redundant move of an rvalue.
1740         PR c++/85866 - error with .* in default template arg.
1741         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1743 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
1745         * parser.c (cp_parser_parameter_declaration_list): Remove
1746         bool* parameter.
1747         (cp_parser_parameter_declaration_clause): Adjust.
1748         (cp_parser_cache_defarg): Likewise.
1750 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
1752         PR c++/84588
1753         * parser.c (cp_parser_maybe_commit_to_declaration,
1754         cp_parser_check_condition_declarator): New.
1755         (cp_parser_simple_declaration): Use the first above.
1756         (cp_parser_condition): Use both the above; enforce
1757         [stmt.stmt]/2 about the declarator not specifying
1758         a function or an array; improve error-recovery.
1760 2018-05-20  Jason Merrill  <jason@redhat.com>
1762         PR libstdc++/85843 - warning in logic_error copy constructor.
1763         * class.c (type_has_user_nondefault_constructor): Check for a
1764         user-provided ctor, not user-declared.
1766 2018-05-19  Jason Merrill  <jason@redhat.com>
1768         * pt.c (tsubst_pack_expansion): Sorry rather than abort
1769         on __integer_pack as subexpression of pattern.
1771 2018-05-18  Jason Merrill  <jason@redhat.com>
1773         PR c++/58407 - deprecated implicit copy ops.
1774         * call.c (build_over_call): Warn about deprecated trivial fns.
1775         * class.c (classtype_has_user_copy_or_dtor): New.
1776         (type_build_ctor_call): Check TREE_DEPRECATED.
1777         (type_build_dtor_call): Likewise.
1778         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1779         Add checks.  Return bool.  Handle -Wdeprecated-copy.
1780         (mark_used): Use it.
1781         * decl.c (grokdeclarator): Remove redundant checks.
1782         * typeck2.c (build_functional_cast): Likewise.
1783         * method.c (lazily_declare_fn): Mark deprecated copy ops.
1784         * init.c (build_aggr_init): Only set TREE_USED if there are
1785         side-effects.
1787 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
1789         PR c++/85782
1790         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1791         OACC_LOOPs.
1793 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
1795         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1796         (potential_constant_expression_1): Likewise.
1798 2018-05-16  Marek Polacek  <polacek@redhat.com>
1800         PR c++/85363
1801         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1802         * tree.c (bot_manip): Call set_flags_from_callee for
1803         AGGR_INIT_EXPRs too.
1805 2018-05-15  Jason Merrill  <jason@redhat.com>
1807         * cp-tree.h (cp_expr): Remove copy constructor.
1808         * mangle.c (struct releasing_vec): Declare copy constructor.
1810         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1812         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1813         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1814         is a throw-expression.
1816 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
1818         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1819         (FOR_EACH_CLONE): Update.
1820         * decl.c (grokdeclarator): Use it.
1821         * decl2.c (vague_linkage_p): Likewise.
1822         * mangle.c (mangle_decl): Likewise.
1823         * method.c (lazily_declare_fn): Likewise.
1824         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1825         * repo.c (repo_emit_p): Likewise.
1826         * tree.c (decl_linkage): Likewise.
1828 2018-05-14  Jason Merrill  <jason@redhat.com>
1830         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1831         * tree.c (build_cp_fntype_variant): New.
1832         (build_ref_qualified_type, build_exception_variant)
1833         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1834         (cxx_type_hash_eq, cp_check_qualified_type): Check
1835         TYPE_HAS_LATE_RETURN_TYPE.
1836         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1837         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1838         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1839         (adjust_clone_args): Likewise.
1840         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
1841         build_cp_fntype_variant.
1842         (grokdeclarator): Pass late_return_type_p to grokfndecl.
1843         (check_function_type): Use cxx_copy_lang_qualifiers.
1844         (static_fn_type): Use cxx_copy_lang_qualifiers.
1845         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1846         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1847         (change_return_type): Use cxx_copy_lang_qualifiers.
1848         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1849         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1850         return type on the declarator like a normal trailing return type.
1851         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1852         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1853         * typeck.c (merge_types): Use build_cp_fntype_variant.
1855 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
1857         * cp-tree.h (TYPE_REF_P): New.
1858         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1859         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1860         direct_reference_binding, reference_binding, implicit_conversion,
1861         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1862         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1863         build_over_call, perform_implicit_conversion_flags,
1864         extend_ref_init_temps, type_has_extended_temps): Use it.
1865         * class.c (one_inheriting_sig, check_field_decls,
1866         check_bases_and_members, find_flexarrays, finish_struct,
1867         fixed_type_or_null): Likewise.
1868         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1869         non_const_var_error, cxx_eval_constant_expression,
1870         potential_constant_expression_1): Likewise.
1871         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1872         cp_genericize_r, cxx_omp_privatize_by_reference,
1873         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1874         cp_fold_maybe_rvalue): Likewise.
1875         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1876         * cvt.c (build_up_reference, convert_to_reference,
1877         convert_from_reference, convert_to_void, noexcept_conv_p,
1878         fnptr_conv_p): Likewise.
1879         * decl.c (poplevel, check_for_uninitialized_const_var,
1880         check_initializer, initialize_local_var, cp_finish_decl,
1881         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1882         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1883         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1884         decl_maybe_constant_var_p): Likewise.
1885         * error.c (dump_type_prefix, dump_expr): Likewise.
1886         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1887         is_admissible_throw_operand_or_catch_parameter): Likewise.
1888         * expr.c (mark_use): Likewise.
1889         * init.c (build_zero_init_1, build_value_init_noctor,
1890         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1891         build_new, build_delete): Likewise.
1892         * lambda.c (build_lambda_object): Likewise.
1893         * mangle.c (write_expression, write_template_arg): Likewise.
1894         * method.c (forward_parm, do_build_copy_constructor,
1895         do_build_copy_assign, build_stub_object, constructible_expr,
1896         walk_field_subobs): Likewise.
1897         * parser.c (cp_parser_omp_for_loop_init,
1898         cp_parser_omp_declare_reduction_exprs,
1899         cp_parser_omp_declare_reduction): Likewise.
1900         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1901         convert_template_argument, tsubst_pack_expansion,
1902         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1903         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1904         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1905         value_dependent_expression_p, build_deduction_guide): Likewise.
1906         * semantics.c (finish_handler_parms, finish_non_static_data_member,
1907         finish_compound_literal, omp_privatize_field,
1908         handle_omp_array_sections_1, handle_omp_array_sections,
1909         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1910         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1911         finish_omp_clauses, finish_decltype_type, capture_decltype,
1912         finish_builtin_launder): Likewise.
1913         * tree.c (lvalue_kind, cp_build_reference_type, move,
1914         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1915         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1916         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1917         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1918         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1919         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1920         convert_for_initialization,
1921         maybe_warn_about_returning_address_of_local, check_return_expr,
1922         cp_type_quals, casts_away_constness, non_reference): Likewise.
1923         * typeck2.c (cxx_readonly_error, store_init_value,
1924         process_init_constructor_record, build_x_arrow, build_functional_cast,
1925         add_exception_specifier): Likewise.
1927 2018-05-14  Jason Merrill  <jason@redhat.com>
1929         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1930         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1932 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
1934         PR c/85696
1935         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1936         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1937         cxx_omp_predetermined_sharing_1.  Rename old function to ...
1938         (cxx_omp_predetermined_sharing_1): ... this.
1939         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1940         instead of cxx_omp_predetermined_sharing.
1942 2018-05-10  Jason Merrill  <jason@redhat.com>
1944         * decl.c (cp_finish_decl): Don't instantiate auto variable.
1945         (check_static_variable_definition): Allow auto.
1946         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1948         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1949         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1951         Core issue 2310 - conversion to base of incomplete type.
1952         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1954         CWG 2267 - list-initialization of reference temporary
1955         * call.c (reference_binding): List-initializing a reference
1956         temporary is copy-list-initialization.
1958         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1960         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1961         instantiation in template context.
1963         * class.c (vbase_has_user_provided_move_assign): Use
1964         user_provided_p.
1966         * lambda.c (lambda_expr_this_capture): Improve logic.
1968         * decl.c (make_typename_type): s/parameters/arguments/.
1969         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1970         * pt.c (make_pack_expansion): Correct error message.
1972 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
1974         PR c++/85662
1975         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1976         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1977         fold_convert.
1979 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1981         PR c++/85400
1982         * decl2.c (adjust_var_decl_tls_model): New static function.
1983         (comdat_linkage): Call it on a variable.
1984         (maybe_make_one_only): Likewise.
1986 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
1988         PR c++/85713
1989         Revert:
1990         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
1992         PR c++/84588
1993         * parser.c (cp_parser_parameter_declaration_list): When the
1994         entire parameter-declaration-list is erroneous maybe call
1995         abort_fully_implicit_template.
1997 2018-05-08  Jason Merrill  <jason@redhat.com>
1999         PR c++/85706 - class deduction under decltype
2000         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
2001         *walk_subtrees whether or not we walked into the operand.
2002         (type_uses_auto): Only look at deduced contexts.
2004 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
2006         PR c++/84588
2007         * parser.c (cp_parser_parameter_declaration_list): When the
2008         entire parameter-declaration-list is erroneous maybe call
2009         abort_fully_implicit_template.
2011 2018-05-08  Marek Polacek  <polacek@redhat.com>
2013         PR c++/85695
2014         * semantics.c (finish_if_stmt_cond): See through typedefs.
2016 2018-05-07  Jason Merrill  <jason@redhat.com>
2018         PR c++/85646 - lambda visibility.
2019         * decl2.c (determine_visibility): Don't mess with template arguments
2020         from the containing scope.
2021         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
2022         thunk.
2024 2018-05-07  Nathan Sidwell  <nathan@acm.org>
2026         Remove fno-for-scope
2027         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
2028         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
2029         (SET_DECL_SHADOWED_FOR_VAR): Delete.
2030         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
2031         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
2032         Don't declare.
2033         * name-lookup.h (struct cp_binding_level): Remove
2034         dead_vars_from_for field.
2035         * cp-lang.c (cp_init_ts): Delete.
2036         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
2037         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
2038         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
2039         (init_shadowed_var_for_decl): Delete.
2040         * decl.c (poplevel): Remove shadowed for var handling.
2041         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
2042         * name-lookup.c (find_local_binding): Remove shadowed for var
2043         handling.
2044         (check_local_shadow): Likewise.
2045         (check_for_out_of_scope_variable): Delete.
2046         * parser.c (cp_parser_primary_expression): Remove shadowed for var
2047         handling.
2048         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
2049         * semantics.c (begin_for_scope): Always have a scope.
2050         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
2051         (begin_range_for_stmt, finish_id_expression): Likewise.
2053 2018-05-07  Jason Merrill  <jason@redhat.com>
2055         PR c++/85618 - ICE with initialized VLA.
2056         * tree.c (vla_type_p): New.
2057         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
2058         rather than array_of_runtime_bound_p.
2060 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
2062         * cvt.c (ocp_convert): Early handle the special case of a
2063         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
2065 2018-05-03  Jason Merrill  <jason@redhat.com>
2067         PR c++/85600 - virtual delete failure.
2068         * init.c (build_delete): Always save_expr when deleting.
2070 2018-05-03  Nathan Sidwell  <nathan@acm.org>
2072         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
2073         * name-lookup.c (do_pushdecl): Likewise.
2075 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
2076             Jason Merrill  <jason@redhat.com>
2078         PR c++/68374
2079         * name-lookup.c (check_local_shadow): Don't handle static old
2080         declarations in the block handling locals shadowing locals.
2082 2018-05-01  Jason Merrill  <jason@redhat.com>
2084         PR c++/85587 - error with scoped enum in template.
2085         * semantics.c (finish_qualified_id_expr): Don't return an
2086         unqualified IDENTIFIER_NODE.
2088 2018-04-30  Jason Merrill  <jason@redhat.com>
2090         PR c++/85580 - extern "C" and local variables
2091         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
2093         PR c++/84701 - unsigned typeof.
2094         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
2095         of long/short/signed/unsigned.
2097         PR c++/85305 - pack in lambda init-capture.
2098         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
2099         check_for_bare_parameter_packs in a subexpression.
2100         (cp_parser_lambda_introducer): Use it.
2102         PR c++/61982 - dead stores to destroyed objects.
2103         * call.c (build_trivial_dtor_call): New, assigns a clobber.
2104         (build_over_call, build_special_member_call): Use it.
2105         * cp-tree.h: Declare it.
2106         * init.c (build_delete): Remove trivial path.
2108         * init.c (build_dtor_call): Use build_special_member_call.
2109         (build_delete): Remove redundant uses of save_addr.
2111         * decl.c (build_clobber_this): Use build_clobber.
2113 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
2115         PR c++/85553
2116         * init.c (build_zero_init_1): For zero initialization of
2117         NULLPTR_TYPE_P type use build_int_cst directly.
2119 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
2121         PR c++/85515
2122         * name-lookup.c (consider_binding_level): Skip compiler-generated
2123         variables.
2124         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
2125         nested if statements into a series of rejection tests.  Reject
2126         lambda-ignored entities as suggestions.
2128 2018-04-27  Jason Merrill  <jason@redhat.com>
2130         * cvt.c (cp_fold_convert): Use convert_ptrmem.
2131         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
2133 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
2135         PR c++/84691
2136         * decl.c (grokdeclarator): Clear friendp upon definition in local
2137         class definition error.
2139 2018-04-27  Jason Merrill  <jason@redhat.com>
2141         PR c++/85545 - ICE with noexcept PMF conversion.
2142         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
2143         build_ptrmemfunc.
2144         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
2145         adjustment.
2146         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
2148 2018-04-27  Nathan Sidwell  <nathan@acm.org>
2150         * typeck.c (convert_ptrmem): Move local var decls to initialization.
2152         * cp-tree.h (TEMPLATE_INFO): Fix comments.
2153         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
2154         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
2155         (dump, print_other_binding_stacks): Remove declarations.
2156         * name-lookup.c (print_other_binding_stack): Make static.
2157         * pt.c (build_template_decl): Make static.
2159 2018-04-26  Jason Merrill  <jason@redhat.com>
2161         PR c++/85545 - ICE with noexcept PMF conversion.
2162         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
2164 2018-04-25  Nathan Sidwell  <nathan@acm.org>
2166         PR c++/85437
2167         PR c++/49171
2168         * cp-tree.h (REINTERPRET_CAST_P): New.
2169         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
2170         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
2171         for non-trivial PTRMEM_CST cases.
2172         * typeck.c (build_nop_reinterpret): New.
2173         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
2174         NOP_EXPRs returned by cp_convert.
2176 2018-04-23  Jason Merrill  <jason@redhat.com>
2178         PR c++/69560 - wrong alignof(double) on x86.
2179         CWG 1879 - Inadequate definition of alignment requirement.
2180         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
2181         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
2182         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
2183         (cxx_alignof_expr): Pass it.
2184         * parser.c (cp_parser_unary_expression): Pass it.
2185         * pt.c (tsubst_copy): Copy it.
2186         (tsubst_copy_and_build): Pass it.
2187         * decl.c (fold_sizeof_expr): Pass it.
2189 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
2190             Jason Merrill  <jason@redhat.com>
2192         PR c++/85470 - wrong error with static data member.
2193         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
2194         * typeck2.c (store_init_value): Likewise.
2196 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
2198         PR c++/85462
2199         * cp-tree.h (tinst_level): Remove in_system_header_p member,
2200         change refcount member from unsigned char to unsigned short,
2201         add refcount_infinity static data member, adjust comments.
2202         * pt.c (tinst_level::refcount_infinity): Define.
2203         (inc_refcount_use): Remove assert, don't increment if refcount
2204         is already refcount_infinity, adjust comment.
2205         (dec_refcount_use): Remove assert, don't decrement if refcount
2206         is refcount_infinity, adjust comment.
2207         (push_tinst_level_loc): Formatting fix.
2209 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
2211         PR c++/84611
2212         * pt.c (lookup_template_class_1): Check pushtag return value for
2213         error_mark_node.
2215 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
2217         PR c++/80290
2218         * cp-tree.h (tinst_level::free): Fix whitespace.
2220 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
2222         PR c++/84630
2223         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
2224         for error_mark_node.
2226 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
2228         PR c++/84463
2229         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
2230         tricks from here to ...
2231         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
2232         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
2234 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
2236         PR c++/80290
2237         * cp-tree.h (struct tinst_level): Split decl into tldcl and
2238         targs.  Add private split_list_p, tree_list_p, and not_list_p
2239         inline const predicates; to_list private member function
2240         declaration; free public member function declaration; list_p,
2241         get_node and maybe_get_node accessors, and refcount data
2242         member.  Narrow errors to unsigned short.
2243         * error.c (print_instantiation_full_context): Use new
2244         accessors.
2245         (print_instantiation_partial_context_line): Likewise.  Drop
2246         const from tinst_level-typed parameter.
2247         * mangle.c (mangle_decl_string): Likewise.
2248         * pt.c (freelist): New template class.
2249         (tree_list_freelist_head): New var.
2250         (tree_list_freelist): New fn, along with specializations.
2251         (tinst_level_freelist_head): New var.
2252         (pending_template_freelist_head): Likewise.
2253         (tinst_level_freelist, pending_template_freelist): New fns.
2254         (tinst_level::to_list, tinst_level::free): Define.
2255         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
2256         (set_refcount_ptr): New template fn.
2257         (add_pending_template): Adjust for refcounting, freelists and
2258         new accessors.
2259         (neglectable_inst_p): Take a NULL d as a non-DECL.
2260         (limit_bad_template_recursion): Use new accessors.
2261         (push_tinst_level): New overload to create the list.
2262         (push_tinst_level_loc): Make it static, split decl into two
2263         args, adjust tests and initialization to cope with split
2264         lists, use freelist, adjust for refcounting.
2265         (push_tinst_level_loc): New wrapper with the old interface.
2266         (pop_tinst_level): Adjust for refcounting.
2267         (record_last_problematic_instantiation): Likewise.
2268         (reopen_tinst_level): Likewise.  Use new accessors.
2269         (instantiate_alias_template): Adjust for split list.
2270         (fn_type_unification): Likewise.
2271         (get_partial_spec_bindings): Likewise.
2272         (instantiate_pending_templates): Use new accessors.  Adjust
2273         for refcount.  Release pending_template to freelist.
2274         (instantiating_current_function_p): Use new accessors.
2276 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
2278         PR c++/85039
2279         * parser.c (cp_parser_builtin_offset): Reject type definitions.
2280         * mangle.c (nested_anon_class_index): Avoid crash returning -1
2281         if we've seen errors.
2283 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
2285         PR c++/85385
2286         * name-lookup.c (macro_use_before_def::maybe_make): New function,
2287         checking that the use is indeed before the definition.
2288         (macro_use_before_def::macro_use_before_def): Make private.
2289         (macro_use_before_def::~macro_use_before_def): Make private.  Move
2290         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
2291         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
2292         than using new directly.
2294 2018-04-12  Jason Merrill  <jason@redhat.com>
2296         PR c++/85356 - ICE with pointer to member function.
2297         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
2298         flag_noexcept_type.  Build the new spec within the function context.
2299         * except.c (build_noexcept_spec): Do get constant value in templates
2300         if flag_noexcept_type.
2301         * decl.c (check_redeclaration_exception_specification): Don't
2302         instantiate noexcept on a dependent declaration.
2304 2018-04-12  Marek Polacek  <polacek@redhat.com>
2306         PR c++/85258
2307         * constexpr.c (reduced_constant_expression_p): Return false for null
2308         trees.
2310 2018-04-11  Marek Polacek  <polacek@redhat.com>
2312         PR c++/85032
2313         * constexpr.c (potential_constant_expression_1): Consider conversions
2314         from classes to literal types potentially constant.
2316 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
2318         PR c++/70808
2319         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
2320         the type like TYPE_PTR_OR_PTRMEM_P.
2322 2018-04-10  Jason Merrill  <jason@redhat.com>
2324         PR debug/65821 - wrong location for main().
2325         * call.c (clear_location_r, convert_default_arg): Revert.
2326         * tree.c (break_out_target_exprs): Add clear_location parm.
2327         (struct bot_data): New.
2328         (bot_manip): Clear location if requested.
2329         * init.c (get_nsdmi): Pass clear_location.
2331 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
2333         PR c++/85110
2334         * call.c (get_fndecl_argument_location): Make non-static.
2335         * cp-tree.h (get_fndecl_argument_location): New decl.
2336         * typeck.c (convert_for_assignment): When complaining due to
2337         conversions for an argument, show the location of the parameter
2338         within the decl.
2340 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
2342         PR c++/85312 - P0962 cleanup
2343         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
2344         diagnostics.
2346 2018-04-10  Jason Merrill  <jason@redhat.com>
2348         PR debug/65821 - wrong location for main().
2349         * call.c (clear_location_r): New.
2350         (convert_default_arg): Use it.
2351         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
2353         PR c++/85285 - ICE with flexible array after substitution.
2354         * pt.c (instantiate_class_template_1): Check for flexible array in
2355         union.
2357 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
2359         PR c++/85227
2360         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
2361         issue a pedwarn and defer trying to do bindings.
2363 2018-04-09  Jason Merrill  <jason@redhat.com>
2365         PR c++/85279 - dump_expr doesn't understand decltype.
2366         * error.c (dump_expr): Handle DECLTYPE_TYPE.
2368         PR c++/85262 - ICE with redundant qualification on constructor.
2369         * call.c (build_new_method_call_1): Move make_args_non_dependent
2370         after A::A() handling.
2372         PR c++/85277 - ICE with invalid offsetof.
2373         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2374         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2376         PR c++/85264 - ICE with excess template-parameter-list.
2377         * parser.c (cp_parser_check_template_parameters): Add template_id_p
2378         parameter.  Don't allow an extra template header if true.
2379         (cp_parser_class_head): Pass template_id_p.
2380         (cp_parser_elaborated_type_specifier): Likewise.
2381         (cp_parser_alias_declaration): Likewise.
2382         (cp_parser_check_declarator_template_parameters): Likewise.
2384 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
2386         PR c++/85194
2387         * parser.c (cp_parser_simple_declaration): For structured bindings,
2388         if *maybe_range_for_decl is NULL after parsing it, set it to
2389         error_mark_node.
2391 2018-04-09  Jason Merrill  <jason@redhat.com>
2393         PR c++/85256 - ICE capturing pointer to VLA.
2394         * lambda.c (add_capture): Distinguish between variable-size and
2395         variably-modified types.
2397 2018-04-06  Jason Merrill  <jason@redhat.com>
2399         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2400         * pt.c (extract_locals_r): Remember local typedefs.
2402 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
2404         PR c++/84269
2405         * name-lookup.c (struct std_name_hint): Move out of
2406         get_std_name_hint; add field "min_dialect".
2407         (get_std_name_hint): Add min_dialect values to all initializers.
2408         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2409         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2410         <shared_mutex>, <string_view>, <thread>, and <variant>.
2411         Add fstream, ifstream, and ofstream to <fstream>.
2412         Add istringstream, ostringstream, and stringstream to <sstream>.
2413         Add basic_string to <string>.
2414         Add tuple_element and tuple_size to <tuple>.
2415         Add declval to <utility>.
2416         Fix ordering of <queue> and <tuple>.
2417         Return a std_name_hint, rather than a const char *.
2418         (get_cxx_dialect_name): New function.
2419         (maybe_suggest_missing_std_header): Detect names that aren't yet
2420         available in the current dialect, and instead of suggesting a
2421         missing #include, warn about the dialect.
2423 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
2425         PR c++/85210
2426         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2427         errorcount is set if tsubst doesn't return a VAR_DECL.
2429 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
2431         PR c++/85021
2432         * name-lookup.c (using_directives_contain_std_p): New function.
2433         (has_using_namespace_std_directive_p): New function.
2434         (suggest_alternatives_for): Simplify if/else logic using early
2435         returns.  If no candidates were found, and there's a
2436         "using namespace std;" directive, call
2437         maybe_suggest_missing_std_header.
2438         (maybe_suggest_missing_header): Split later part of the function
2439         into..
2440         (maybe_suggest_missing_std_header): New.
2442 2018-04-06  Jason Merrill  <jason@redhat.com>
2444         PR c++/85242 - ICE with class definition in template parm.
2445         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2446         processing_template_parmlist.
2448         PR c++/85240 - LTO ICE with using of undeduced auto fn.
2449         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2451 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
2453         PR c++/85209
2454         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2455         is not prev, if prev == decl.
2457         PR c++/85208
2458         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2459         maybe_apply_pragma_weak here...
2460         (cp_maybe_mangle_decomp): ... but call it here instead.
2462 2018-04-05  Jason Merrill  <jason@redhat.com>
2464         PR c++/85136 - ICE with designated init in template.
2465         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2466         designated initializer.
2467         (check_array_designated_initializer): Update ce->index with the
2468         constant value.
2470         PR c++/83808 - ICE with VLA initialization.
2471         * typeck2.c (process_init_constructor_array): Don't require a VLA
2472         initializer to have VLA type.
2474 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
2476         PR c++/80956
2477         * call.c (convert_like_real): Fail gracefully for a broken
2478         std::initializer_list, missing a definition.
2480         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2482 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
2484         PR c++/84792
2485         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2486         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2488 2018-04-05  Jason Merrill  <jason@redhat.com>
2490         PR c++/82152 - ICE with class deduction and inherited ctor.
2491         * pt.c (do_class_deduction): Ignore inherited ctors.
2493         PR c++/84665 - ICE with array of empty class.
2494         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2496         PR c++/85228 - ICE with lambda in enumerator in template.
2497         * pt.c (bt_instantiate_type_proc): Don't assume
2498         CLASSTYPE_TEMPLATE_INFO is non-null.
2500 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
2502         Implement P0969
2503         * decl.c (find_decomp_class_base): Check accessibility instead
2504         of declared access, adjust diagnostic.
2506 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
2508         Implement P0961
2509         * decl.c (get_tuple_decomp_init): Check the templatedness
2510         of a member get.
2512 2018-04-05  Jason Merrill  <jason@redhat.com>
2514         PR c++/85200 - ICE with constexpr if in generic lambda.
2515         * pt.c (extract_locals_r): Don't record the local specs of variables
2516         declared within the pattern.
2518 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
2520         PR c++/84979
2521         * pt.c (check_auto_in_tmpl_args): New.
2522         (tsubst_qualified_id): Use it to reject template args
2523         referencing auto for non-type templates.
2524         * parser.c (cp_parser_template_id): Likewise.
2525         * cp-tree.h (check_auto_in_tmpl_args): Declare.
2526         * typeck2.c (build_functional_cast): Report correct location
2527         for invalid use of auto.
2529 2018-04-04  Jason Merrill  <jason@redhat.com>
2531         PR c++/85215 - ICE with copy-init from conversion.
2532         * call.c (merge_conversion_sequences): Fix type of direct binding
2533         sequence.
2535         PR c++/84938 - ICE with division by ~-1.
2536         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2538         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2539         * parser.c (cp_parser_mem_initializer_list): Call
2540         check_for_bare_parameter_packs.
2542 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
2544         PR inline-asm/85172
2545         * constexpr.c (cxx_eval_builtin_function_call): For calls to
2546         builtin_valid_in_constant_expr_p functions, don't call
2547         cxx_eval_constant_expression if argument is not
2548         potential_constant_expression.
2550         PR c++/85146
2551         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2552         argument.
2553         * semantics.c (calculate_bases): Add complain argument.  Use
2554         complete_type_or_maybe_complain instead of just complete_type and
2555         return an empty vector if it fails.  Move make_tree_vector () call
2556         after early return.  Formatting fixes.
2557         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
2558         end.
2559         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2560         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2561         calculate_direct_bases callers, formatting fixes.
2563 2018-04-04  Jason Merrill  <jason@redhat.com>
2565         PR c++/85006 - -fconcepts ICE with A<auto...> return type
2566         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2568         PR c++/85200 - ICE with constexpr if in generic lambda.
2569         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2571         PR c++/84221 - bogus -Wunused with attribute and template.
2572         * decl2.c (is_late_template_attribute): Handle unused and used
2573         normally on non-TYPE_DECL.
2575         PR c++/85135 - ICE with omitted template arguments.
2576         * decl.c (grokdeclarator): Catch deduced class type in trailing
2577         return type.
2579         PR c++/85133 - ICE with missing concept initializer.
2580         * decl.c (cp_finish_decl): If a concept initializer is missing, use
2581         true.
2583         PR c++/85118 - wrong error with generic lambda and std::bind.
2584         * call.c (add_template_conv_candidate): Disable if there are any
2585         call operators.
2587         PR c++/85141 - ICE with compound assignment and static member fn.
2588         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2589         compound assignment.
2591         PR c++/85148 - ICE with 'this' in array NSDMI.
2592         * tree.c (replace_placeholders_r): Use handled_component_p.
2594 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
2596         PR c++/65923
2597         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2598         * parser.c (cp_parser_unqualified_id): ..not here.
2600 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
2602         PR c++/84943
2603         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2604         used.
2605         * decl2.c (mark_used): Return without effects if tf_conv.
2607 2018-04-03  Jason Merrill  <jason@redhat.com>
2609         PR c++/85092 - C++17 ICE with unused list constructor.
2610         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2611         from a TARGET_EXPR.
2613         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2614         * constexpr.c (cxx_eval_builtin_function_call): Only defer
2615         __builtin_constant_p if ctx->quiet.
2617 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
2619         PR c++/84768
2620         * pt.c (rewrite_template_parm): If the first argument is
2621         error_mark_node return it immediately.
2622         (build_deduction_guide): Check the return value of the
2623         latter for error_mark_node.
2624         (do_class_deduction): Check the return value of the latter.
2626 2018-04-03  Jason Merrill  <jason@redhat.com>
2628         * semantics.c (finish_if_stmt_cond): Use
2629         instantiation_dependent_expression_p.
2631         PR c++/85149 - generic lambda and constexpr if.
2632         * pt.c (build_extra_args, add_extra_args): Split from
2633         tsubst_pack_expansion.
2634         (tsubst_expr) [IF_STMT]: Use them.
2635         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2637         * typeck.c (merge_types): Limit matching attribute shortcut to
2638         the default case.
2640 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
2642         PR c++/85147
2643         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2645         PR c++/85140
2646         * name-lookup.c (handle_namespace_attrs): Return early if attributes
2647         is error_mark_node.
2649         PR c++/85134
2650         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2651         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2652         instead for static data members clear init and set DECL_EXTERNAL.
2654 2018-04-02  Jason Merrill  <jason@redhat.com>
2656         PR c++/64095 - auto... parameter pack.
2657         * parser.c (cp_parser_parameter_declaration): Handle turning autos
2658         into packs here.
2659         (cp_parser_parameter_declaration_list): Not here.
2661 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
2663         PR c++/85027
2664         * class.c (instantiate_type): Peel off SAVE_EXPR before
2665         BASELINK.
2667 2018-03-30  Jason Merrill  <jason@redhat.com>
2669         * typeck2.c (process_init_constructor_record): Use
2670         init_list_type_node for the CONSTRUCTOR around an anonymous union
2671         designated initializer.
2673 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
2675         PR c++/84791
2676         * semantics.c (finish_omp_reduction_clause): If
2677         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2678         even if processing_template_decl.
2680 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
2682         PR c++/84269
2683         * name-lookup.c (get_std_name_hint): Add names from <memory>,
2684         <tuple>, and <utility>.
2686 2018-03-29  Jason Merrill  <jason@redhat.com>
2688         PR c++/85093 - too many template args with pack expansion.
2689         * pt.c (coerce_template_parms): Keep pack expansion args that will
2690         need to be empty.
2692 2018-03-29  Jason Merrill  <jason@redhat.com>
2694         * pt.c (build_non_dependent_expr): Propagate expr location.
2696 2018-03-27  Jason Merrill  <jason@redhat.com>
2698         PR c++/85060 - wrong-code with call to base member in template.
2699         * search.c (any_dependent_bases_p): Check uses_template_parms
2700         rather than processing_template_decl.
2702 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
2704         PR c++/85110
2705         * typeck.c (convert_for_assignment): When complaining due to
2706         conversions for an argument, attempt to use the location of the
2707         argument.
2709 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
2711         PR c++/85028
2712         * pt.c (tsubst_default_argument): Early return if the type of the
2713         parameter is erroneous.
2715 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
2717         PR c++/84973
2718         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2719         templates.
2721         PR c++/84968
2722         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2724 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
2726         PR c++/85067
2727         * method.c (defaulted_late_check): Partially revert r253321 changes,
2728         do not early return upon error.
2730 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
2732         PR c++/85077
2733         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2734         type call fold to generate VECTOR_CSTs when possible.
2736         PR c++/85076
2737         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2738         return it right away.
2740 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
2742         * search.c (check_final_overrider): Use inform instead of error
2743         for the diagnostics of the overridden functions.  Tweak wording.
2745 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
2747         PR c++/85068
2748         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2749         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
2751 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
2752             Jason Merrill  <jason@redhat.com>
2754         PR c++/84632
2755         * init.c (build_aggr_init): When initializing from array,
2756         reject anything but CONSTRUCTORs and TARGET_EXPRs.
2757         (build_vec_init): Handle separately ARRAY_TYPEs.
2759 2018-03-26  Jason Merrill  <jason@redhat.com>
2761         PR c++/85062 - ICE with alignas in wrong place.
2762         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2763         here.
2765         PR c++/85049 - ICE with __integer_pack.
2766         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2767         * cp-tree.h (TEMPLATE_PARM_P): New.
2769 2018-03-23  Jason Merrill  <jason@redhat.com>
2771         PR c++/78489 - wrong SFINAE behavior.
2773         PR c++/84489
2774         * pt.c (type_unification_real): Don't defer substitution failure.
2776 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
2778         PR c++/85015
2779         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2780         result.
2782         PR c++/84942
2783         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2784         cp_build_unary_op call with gcc_unreachable ().
2786 2018-03-23  Marek Polacek  <polacek@redhat.com>
2788         PR c++/85045
2789         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2790         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
2791         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2793 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
2795         Implement P0962
2796         * parser.c (cp_parser_perform_range_for_lookup): Change
2797         the condition for deciding whether to use members.
2799 2018-03-23  Marek Polacek  <polacek@redhat.com>
2801         PR c++/85033
2802         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2804 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
2806         PR c++/71251
2807         * parser.c (cp_parser_alias_declaration): Call
2808         parser_check_template_parameters.
2810         PR c++/84789
2811         * pt.c (resolve_typename_type): Drop assert that stopped
2812         simplification to template-independent types.  Add assert to
2813         verify the initial scope is template dependent.
2814         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2815         Reparse the id expression as a type-name, not a declarator.
2817         PR c++/84729
2818         * init.c (build_vec_init): Error at parenthesized array init.
2820         PR c++/84610
2821         PR c++/84642
2822         PR c++/84942
2823         * cp-tree.h (temp_override): New template class, generalizing
2824         a cleanup that was only used...
2825         * parser.c (cp_parser_parameter_declaration_clause):
2826         ... here for auto_is_implicit_function_template_parm_p.
2827         (cp_parser_gnu_attributes_opt): Use it here as well.
2828         (cp_parser_std_attribute): Likewise.
2830 2018-03-22  Marek Polacek  <polacek@redhat.com>
2832         PR c++/84854
2833         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2834         is boolean.
2836 2018-03-21  Jason Merrill  <jason@redhat.com>
2838         PR c++/81311 - wrong C++17 overload resolution.
2839         * call.c (build_user_type_conversion_1): Remove C++17 code.
2840         (conv_binds_ref_to_prvalue): New.
2841         (build_over_call): Handle C++17 copy elision.
2842         (build_special_member_call): Only do C++17 copy elision here if the
2843         argument is already the right type.
2845 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
2847         PR c++/71965
2848         * init.c (build_vec_init): Silence error, former sorry,
2849         without tf_error.
2851         PR c++/84610
2852         PR c++/84642
2853         * parser.c (abort_fully_implicit_template_p): New.
2854         (cp_parser_skip_to_end_of_statement): Use it.
2855         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2856         (finish_fully_implicit_template_p): Clear
2857         implicit_template_parms and implicit_template_scope.
2859 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
2861         PR c++/84972
2862         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2863         error_mark_node when check_array_designated_initializer fails.
2865 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
2867         PR c++/84961
2868         * cp-tree.h (genericize_compound_lvalue): Declare.
2869         * typeck.c (genericize_compound_lvalue): New function.
2870         (unary_complex_lvalue, cp_build_modify_expr): Use it.
2871         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2872         and PREDECREMENT_EXPR in output and "m" constrained input operands with
2873         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
2874         COMPOUND_EXPR operand.
2876 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2878         PR c++/85008
2879         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2880         * decl2.c (vague_linkage_p): Likewise.
2882 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
2884         PR c++/84994
2885         * constexpr.c (constexpr_fn_retval): Make non-"static".
2886         * cp-tree.h (constexpr_fn_retval): New decl.
2887         * search.c (direct_accessor_p): Update leading comment.
2888         (reference_accessor_p): Likewise.
2889         (field_accessor_p): Replace check that function body is a
2890         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
2891         indentation of "field_type" decl.
2893 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2895         PR c++/84804
2896         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2897         complete classes.
2899 2018-03-21  Martin Sebor  <msebor@redhat.com>
2901         PR c++/84850
2902         * call.c (first_non_public_field): New template and function.
2903         (first_non_trivial_field): New function.
2904         (maybe_warn_class_memaccess): Call them.
2906 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
2908         PR c++/84892
2909         * search.c (field_accessor_p): Use class_of_this_parm rather than
2910         type_of_this_parm, to check that "this" is a "const T *", rather
2911         than a "T *const".
2913 2018-03-21  Nathan Sidwell  <nathan@acm.org>
2915         * class.c (finish_struct_anon_r): Refactor, deprecate anything
2916         other than public non-static data members.
2917         * parser.c (cp_parser_init_declarator): Deprecate attributes after
2918         parenthesized initializer.
2920         PR c++/84836
2921         * name-lookup.c (update_binding): Correct logic for local binding
2922         update.
2924 2018-03-21  Marek Polacek  <polacek@redhat.com>
2926         PR c++/71638, ICE with NSDMI and reference.
2927         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2928         even when we replace an element.
2930 2018-03-20  Marek Polacek  <polacek@redhat.com>
2932         PR c++/84978, ICE with NRVO.
2933         * constexpr.c (cxx_eval_constant_expression): Handle the case when
2934         a RESULT_DECL isn't in the hash map.
2936 2018-03-20  Jason Merrill  <jason@redhat.com>
2938         PR c++/84978, ICE with NRVO.
2939         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2940         (cp_get_callee_fndecl_nofold): New.
2941         * cp-gimplify.c (cp_genericize_r): Use it instead.
2942         * call.c (check_self_delegation): Likewise.
2944 2018-03-20  Nathan Sidwell  <nathan@acm.org>
2946         PR c++/84962
2947         * name-lookup.c (pushdecl_class_level): Push anon-struct's
2948         member_vec, if there is one.
2950         PR c++/84970
2951         * cp-tree.h (lookup_list_keep): Declare.
2952         * tree.c (lookup_list_keep): New, broken out of ...
2953         (build_min): ... here.  Call it.
2954         * decl.c (cp_finish_decl): Call lookup_list_keep.
2956 2018-03-19  Jason Merrill  <jason@redhat.com>
2958         PR c++/84937 - ICE with class deduction and auto.
2959         * pt.c (rewrite_template_parm): Fix auto handling.
2961 2018-03-19  Marek Polacek  <polacek@redhat.com>
2963         PR c++/84925
2964         * pt.c (enclosing_instantiation_of): Check if fn is null.
2966         PR c++/84927
2967         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2968         as we evaluate the elements.
2969         (cxx_eval_constant_expression): Verify constructor's flags
2970         unconditionally.
2972 2018-03-19  Jason Merrill  <jason@redhat.com>
2974         PR c++/71834 - template-id with too few arguments.
2975         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2977 2018-03-19  Nathan Sidwell  <nathan@acm.org>
2979         PR c++/84835
2980         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2981         * pt.c (build_template_decl): Propagate language linkage.
2983         PR c++/84812
2984         * name-lookup.c (set_local_extern_decl_linkage): Defend against
2985         ambiguous lookups.
2987 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
2989         PR c/84910
2990         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2991         diagnostics.
2992         * method.c (synthesize_method): Likewise.
2993         * pt.c (convert_nontype_argument): Likewise.
2995 2018-03-16  Jason Merrill  <jason@redhat.com>
2997         PR c++/84720 - ICE with rvalue ref non-type argument.
2998         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2999         (convert_nontype_argument): Revert earlier change.
3001         PR c++/80227 - SFINAE and negative array size.
3002         * decl.c (compute_array_index_type): Use
3003         build_converted_constant_expr and valid_constant_size_p.
3005         PR c++/84906 - silent wrong code with ambiguous conversion.
3006         * call.c (build_user_type_conversion_1): Set need_temporary_p on
3007         ambiguous conversion.
3008         (convert_like_real): Check it.
3010         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
3011         * call.c (build_special_member_call): Don't convert an init-list
3012         argument directly to the class type.
3014 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
3016         PR c++/79937
3017         PR c++/82410
3018         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
3019         (find_placeholder): Declare.
3020         * tree.c (struct replace_placeholders_t): Add exp member.
3021         (replace_placeholders_r): Don't walk into ctors with
3022         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
3023         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
3024         (replace_placeholders): Initialize data.exp.
3025         (find_placeholders_r, find_placeholders): New functions.
3026         * typeck2.c (process_init_constructor_record,
3027         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
3028         if adding NSDMI on which find_placeholder returns true.
3029         * call.c (build_over_call): Don't call replace_placeholders here.
3030         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
3031         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
3032         TARGET_EXPR_INITIAL.
3033         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
3034         ctor.
3036 2018-03-16  Jason Merrill  <jason@redhat.com>
3038         PR c++/83911 - ICE with multiversioned constructor.
3039         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
3040         dispatchere here.
3041         * call.c (build_over_call): Not here.
3043 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
3045         PR c++/84874
3046         * decl.c (reshape_init_class): Don't assert d->cur->index == field
3047         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
3049 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
3051         PR c++/84222
3052         * cp-tree.h (cp_warn_deprecated_use): Declare.
3053         * tree.c (cp_warn_deprecated_use): New function.
3054         * typeck2.c (build_functional_cast): Use it.
3055         * decl.c (grokparms): Likewise.
3056         (grokdeclarator): Likewise.  Temporarily push nested class scope
3057         around grokparms call for out of class member definitions.
3059 2018-03-14  Jason Merrill  <jason@redhat.com>
3061         PR c++/84820 - no error for invalid qualified-id.
3062         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
3063         cp_error_declarator.
3065         PR c++/84801 - ICE with unexpanded pack in lambda.
3066         * pt.c (check_for_bare_parameter_packs): Don't return early for a
3067         lambda in non-template context.
3069         PR c++/81236 - auto variable and auto function
3070         * pt.c (tsubst_baselink): Update the type of the BASELINK after
3071         mark_used.
3073 2018-03-14  Jason Merrill  <jason@redhat.com>
3075         PR c++/83916 - ICE with template template parameters.
3076         * pt.c (convert_template_argument): Don't substitute into type of
3077         non-type parameter if we don't have enough arg levels.
3078         (unify): Likewise.
3080 2018-03-14  Marek Polacek  <polacek@redhat.com>
3082         PR c++/84596
3083         * semantics.c (finish_static_assert): Check
3084         instantiation_dependent_expression_p instead of
3085         {type,value}_dependent_expression_p.
3087 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
3088             Jason Merrill  <jason@redhat.com>
3090         PR c++/82336 - link error with list-init default argument.
3091         * decl.c (check_default_argument): Unshare an initializer list.
3093 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
3095         PR c++/84843
3096         * decl.c (duplicate_decls): For redefinition of built-in, use error
3097         and return error_mark_node.  For redeclaration, return error_mark_node
3098         rather than olddecl if !flag_permissive.
3100 2018-03-13  Jason Merrill  <jason@redhat.com>
3102         PR c++/82565 - ICE with concepts and generic lambda.
3103         * pt.c (instantiate_decl): Clear fn_context for lambdas.
3105 2018-03-13  Jason Merrill  <jason@redhat.com>
3107         PR c++/84720 - ICE with rvalue ref non-type argument.
3108         * pt.c (convert_nontype_argument): Handle rvalue references.
3110         PR c++/84839 - ICE with decltype of parameter pack.
3111         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
3112         instantiating dummy parms.
3114         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
3115         parameter even without -Wpedantic.
3117         PR c++/84798 - ICE with auto in abstract function declarator.
3118         * parser.c (cp_parser_parameter_declaration_clause): Check
3119         parser->default_arg_ok_p.
3121 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
3123         PR c++/84808
3124         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
3125         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
3126         sizetype.  Formatting fixes.
3128 2018-03-12  Jason Merrill  <jason@redhat.com>
3130         PR c++/84355 - ICE with deduction for member class template.
3131         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
3132         CLASS_PLACEHOLDER_TEMPLATE.
3134         PR c++/84802 - ICE capturing uninstantiated class.
3135         * lambda.c (build_capture_proxy): Call complete_type.
3137 2018-03-09  Jason Merrill  <jason@redhat.com>
3139         PR c++/84770 - ICE with typedef and parameter pack.
3140         * pt.c (verify_unstripped_args_1): Split out from
3141         verify_unstripped_args.
3143         PR c++/84785 - ICE with alias template and default targs.
3144         * pt.c (type_unification_real): Set processing_template_decl if
3145         saw_undeduced == 1.
3147         PR c++/84752 - ICE with capture of constexpr array.
3148         * call.c (standard_conversion): Set rvaluedness_matches_p on the
3149         identity conversion under ck_lvalue.
3151 2018-03-09  Jason Merrill  <jason@redhat.com>
3152             Paolo Carlini  <paolo.carlini@oracle.com>
3154         PR c++/71169
3155         PR c++/71832
3156         * pt.c (any_erroneous_template_args_p): New.
3157         * cp-tree.h (any_erroneous_template_args_p): Declare it.
3158         * parser.c (cp_parser_class_specifier_1): Use it.
3160 2018-03-09  Jason Merrill  <jason@redhat.com>
3162         PR c++/84726 - unnecessary capture of constant vars.
3163         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
3164         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
3165         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
3166         * lambda.c (is_constant_capture_proxy)
3167         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
3168         (prune_lambda_captures): New.
3169         (finish_lambda_function): Call prune_lambda_captures.
3171 2018-03-09  Jason Merrill  <jason@redhat.com>
3172             Jakub Jelinek  <jakub@redhat.com>
3174         PR c++/84076
3175         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
3176         build ADDR_EXPR with REFERENCE_TYPE.
3177         (build_over_call): For purposes of check_function_arguments, if
3178         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
3179         its operand rather than the argument itself.
3181 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
3183         PR c++/84724
3184         * decl.c (duplicate_decls): Don't override __* prefixed builtins
3185         except for __[^b]*_chk, instead issue permerror and for -fpermissive
3186         also a note and return olddecl.
3188 2018-03-09  Nathan Sidwell  <nathan@acm.org>
3190         PR c++/84733
3191         * name-lookup.c (do_pushdecl_with_scope): Only clear
3192         current_function_decl when pushing a non-class (i.e. namespace)
3193         scope.
3195 2018-03-08  Jason Merrill  <jason@redhat.com>
3196             Jakub Jelinek  <jakub@redhat.com>
3198         PR c++/80598
3199         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
3200         not calling mark_used for the benefit of -Wunused-function warning.
3202 2018-03-06  Jason Merrill  <jason@redhat.com>
3204         * lambda.c (is_capture_proxy_with_ref): Remove.
3205         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
3207 2018-03-06  Marek Polacek  <polacek@redhat.com>
3209         PR c++/84684
3210         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
3211         arguments.
3213 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
3215         PR c++/84231
3216         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
3217         only while processing template decls.
3218         * typeck.c (build_x_conditional_expr): Move wrapping of
3219         reference type around type...
3220         * call.c (build_conditional_expr_1): ... here.  Rename
3221         is_lvalue to is_glvalue.
3222         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
3223         INDIRECT_REF of COND_EXPR too.
3225         PR c++/84593
3226         * init.c (build_zero_init_1): Zero-initialize references.
3228         PR c++/84492
3229         * semantics.c (finish_stmt_expr_expr): Reject unresolved
3230         overloads used as stmt expr values.
3232 2018-03-05  Jason Merrill  <jason@redhat.com>
3234         PR c++/84708 - ICE with lambda in local class NSDMI.
3235         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
3236         context.
3238 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
3240         PR c++/84684
3241         * constexpr.c (constexpr_call_hasher::equal): Return false if
3242         lhs->hash != rhs->hash.  Change return 1 to return true and
3243         return 0 to return false.
3245 2018-03-05  Nathan Sidwell  <nathan@acm.org>
3247         PR c++/84702
3248         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
3250 2018-03-05  Marek Polacek  <polacek@redhat.com>
3252         PR c++/84707
3253         * decl.c (duplicate_decls): Check DECL_NAME before accessing
3254         UDLIT_OPER_P.
3256 2018-03-05  Nathan Sidwell  <nathan@acm.org>
3258         PR c++/84694
3259         * friend.c (do_friend): Restore check for identifier_p inside
3260         TEMPLATE_ID_EXPR.
3262 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
3264         PR c++/84618
3265         * parser.c (cp_parser_lambda_introducer): Reject any capture not
3266         involving a VAR_DECL or a PARM_DECL.
3268 2018-03-05  Pádraig Brady  <P@draigBrady.com>
3269             Jason  Merrill  <jason@redhat.com>
3270             Nathan Sidwell  <nathan@acm.org>
3272         PR c++/84497
3273         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
3275 2018-03-03  Jason Merrill  <jason@redhat.com>
3277         PR c++/84686 - missing volatile loads.
3278         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
3280 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
3282         PR c++/71464
3283         * optimize.c (maybe_thunk_body): Bail out immediately if either
3284         fns[0] or fns[1] is null.
3286 2018-03-02  Marek Polacek  <polacek@redhat.com>
3288         PR c++/84578
3289         * constexpr.c (get_array_or_vector_nelts): New.
3290         (cxx_eval_array_reference): Use it.
3291         (cxx_eval_vec_init_1): Likewise.
3292         (cxx_eval_store_expression): Likewise.
3294 2018-03-02  Jason Merrill  <jason@redhat.com>
3296         * semantics.c (force_paren_expr): Remove redundant test.
3298 2018-03-02  Marek Polacek  <polacek@redhat.com>
3300         PR c++/84663
3301         * decl.c (cp_complete_array_type): Check error_mark_node.
3303         PR c++/84664
3304         * typeck.c (cp_perform_integral_promotions): Check the result of
3305         mark_rvalue_use.
3307 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
3309         PR c++/84662
3310         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
3311         RETURN instead of return.
3312         <case POINTER_PLUS_EXPR>: Likewise.
3313         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
3314         it instead of wrapping it into CONVERT_EXPR.
3316 2018-03-02  Jason Merrill  <jason@redhat.com>
3318         Fix MIPS16 ICE.
3319         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
3321 2018-03-02  Marek Polacek  <polacek@redhat.com>
3323         PR c++/84590
3324         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
3325         wrapped in VIEW_CONVERT_EXPR.
3327 2018-03-01  Martin Sebor  <msebor@redhat.com>
3329         PR c++/84294
3330         * decl.c (check_redeclaration_no_default_args): Merge attributes
3331         specified on redeclarations of the same function template.
3332         Remove dead code.
3334 2018-03-01  Marek Polacek  <polacek@redhat.com>
3335             Jason Merrill  <jason@redhat.com>
3337         PR c++/84582
3338         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
3339         a template.
3340         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
3341         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
3342         of instantiate_non_dependent_expr.
3343         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
3345 2018-03-01  Nathan Sidwell  <nathan@acm.org>
3347         PR c++/84434
3348         * name-lookup.c (member_vec_dedup): Remove manually peeled
3349         iteration.  Ignore dependent ctor inheritance.
3351 2018-03-01  Jason Merrill  <jason@redhat.com>
3353         PR c++/71569 - decltype of template.
3354         * parser.c (cp_parser_decltype_expr): Handle missing template args.
3356 2018-03-01  Marek Polacek  <polacek@redhat.com>
3358         PR c++/84596
3359         * constexpr.c (require_rvalue_constant_expression): New function.
3360         * cp-tree.h: Declare it.
3361         * semantics.c (finish_static_assert): Use it instead of
3362         require_potential_rvalue_constant_expression.
3364 2018-03-01  Jason Merrill  <jason@redhat.com>
3365             Alexandre Oliva <aoliva@redhat.com>
3367         PR c++/71569 - ICE with redundant args on member variable template.
3368         * decl.c (start_decl): Handle partial specialization of member
3369         variable template.
3370         * pt.c (determine_specialization): Allow partial specialization
3371         of member variable template without specializing enclosing class.
3372         (process_partial_specialization): Improve error message.
3374 2018-02-28  Jason Merrill  <jason@redhat.com>
3376         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3377         * pt.c (determine_specialization): Check ref-qualifier.
3379 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
3381         PR c++/84609
3382         * parser.c (cp_parser_attributes_opt): Formatting fix.
3383         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3384         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3385         New functions.
3386         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3387         instead of tentative parse to peek over optional attribute tokens
3388         to check for CPP_COLON after them.
3390         PR c++/83871
3391         PR c++/83503
3392         * pt.c (INCLUDE_STRING): Remove define.
3393         (warn_spec_missing_attributes): Use pretty_printer instead of
3394         std::string.  Fix up inform call so that the list of attributes
3395         is in %s argument.
3397 2018-02-28  Martin Sebor  <msebor@redhat.com>
3399         PR testsuite/84617
3400         * decl.c (duplicate_decls): Fully merge attributes const, pure,
3401         and malloc.
3403 2018-02-28  Nathan Sidwell  <nathan@acm.org>
3405         PR c++/84602
3406         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3407         * name-lookup.c (fields_linear_search): Look in an anon-aggr
3408         regardless of want_type.
3409         (search_anon_aggr): Just use get_class_binding_direct.
3411 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
3413         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3414         inform_n.
3416 2018-02-27  Martin Sebor  <msebor@redhat.com>
3418         * pt.c: Avoid including <string> directly.
3420 2018-02-27  Martin Sebor  <msebor@redhat.com>
3422         PR c++/83871
3423         PR c++/83503
3424         * cp-tree.h (warn_spec_missing_attributes): New function.
3425         ((check_explicit_specialization): Add an argument.  Call the above
3426         function.
3427         * decl.c (duplicate_decls): Avoid applying primary function template's
3428         attributes to its explicit specializations.
3429         cp/pt.c (warn_spec_missing_attributes): Define.
3431 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
3433         PR c++/71546 - lambda init-capture with qualified-id.
3434         * parser.c (cp_parser_lambda_introducer): Clear scope after
3435         each lambda capture.
3437 2018-02-27  Nathan Sidwell  <nathan@acm.org>
3439         PR c++/84426
3440         * name-lookup.h (get_member_slot): Rename ...
3441         (find_member_slot): ... here.
3442         (add_member_slot): New.
3443         * name-lookup.c (member_vec_linear_search): No need to check for
3444         NULL slot.
3445         (get_member_slot): Rename ...
3446         (find_member_slot): ... here.  Don't add slot for incomplete class.
3447         (add_member_slot): New.
3448         * class.c (add_method): Adjust get_member_slot rename.  Bail out
3449         if push_class_level_binding fails.  Create slot and grok
3450         properties once we're committed to insertion.
3452 2018-02-27  Jason Merrill  <jason@redhat.com>
3454         PR c++/84489 - dependent default template argument
3455         * pt.c (type_unification_real): Handle early substitution failure.
3457 2018-02-26  Jason Merrill  <jason@redhat.com>
3459         PR c++/84560 - ICE capturing multi-dimensional VLA.
3460         * tree.c (array_of_runtime_bound_p): False if the element is
3461         variably-modified.
3463         PR c++/84441 - ICE with base initialized from ?:
3464         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3466         PR c++/84520 - ICE with generic lambda in NSDMI.
3467         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3468         'this' in a generic lambda instantiation.
3470         PR c++/84559 - ICE with constexpr VLA.
3471         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3472         for constexpr variable with VLA type.
3474 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
3476         PR c++/84558
3477         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3478         a valid constant initializer.  Formatting fixes.
3480 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3482         PR c++/84540
3483         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3484         returning NULL_TREE.
3485         (apply_late_template_attributes): Likewise.
3487 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
3489         PR c++/84557
3490         * parser.c (cp_parser_omp_var_list_no_open): Only call
3491         cp_parser_lookup_name_simple on names satisfying identifier_p.
3492         (cp_parser_oacc_routine): Likewise.
3494 2018-02-26  Jason Merrill  <jason@redhat.com>
3496         PR c++/84551 - ICE with concepts and -g.
3497         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3499 2018-02-26  Marek Polacek  <polacek@redhat.com>
3501         PR c++/84325
3502         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3503         non-types.
3505 2018-02-26  Jason Merrill  <jason@redhat.com>
3507         PR c++/84447 - ICE with deleted inherited ctor with default arg.
3508         * call.c (build_over_call): Handle deleted functions in one place.
3510 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3512         PR c++/84533
3513         * decl.c (redeclaration_error_message): Don't try to use
3514         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3516 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
3518         * lambda.c (build_capture_proxy): Define static.
3519         * cp-tree.h (build_capture_proxy): Remove.
3521 2018-02-26  Marek Polacek  <polacek@redhat.com>
3523         PR c++/84537
3524         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3525         if name is error node.
3527 2018-02-25  Jason Merrill  <jason@redhat.com>
3529         PR c++/84015 - ICE with class deduction and auto template parm.
3530         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3532 2018-02-24  Marek Polacek  <polacek@redhat.com>
3534         PR c++/83692
3535         * constexpr.c (maybe_constant_init_1): New function.
3536         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3537         (cxx_constant_init): New function.
3538         * cp-tree.h (cxx_constant_init): Declare.
3539         * typeck2.c (store_init_value): Call cxx_constant_init instead of
3540         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
3542 2018-02-22  Jason Merrill  <jason@redhat.com>
3544         PR c++/70468 - ICE with constructor delegation via typedef.
3545         * pt.c (tsubst_initializer_list): Check for other mem-initializers
3546         with constructor delegation.
3548 2018-02-22  Jason Merrill  <jason@redhat.com>
3550         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3551         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3552         VECTOR_TYPE.
3554 2018-02-22  Marek Polacek  <polacek@redhat.com>
3556         PR c++/84493
3557         * parser.c (cp_parser_braced_list): Use require_open instead of
3558         consume_open.
3560 2018-02-21  Jason Merrill  <jason@redhat.com>
3562         PR c++/84454 - ICE with pack expansion in signature.
3563         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3565 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
3567         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3568         IF_STMT.
3570 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
3572         PR c++/84446
3573         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3574         on error_mark_node.
3576 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
3578         PR c++/84445
3579         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3580         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3582         PR c++/84449
3583         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3584         returns error_mark_node, return it immediately.
3585         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3586         error_mark_node, return error_mark_node.
3588         PR c++/84455
3589         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3590         function_depth to avoid GC during finish_lambda_function.
3592 2018-02-19  Jason Merrill  <jason@redhat.com>
3594         PR c++/84429 - ICE capturing VLA.
3595         * lambda.c (build_capture_proxy): Handle reference refs.
3597 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
3599         PR c++/84448
3600         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3601         either operand is error_mark_node, set current.lhs to that instead of
3602         creating a binary op with error_mark_node operands.
3604         PR c++/84430
3605         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3607 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
3609         PR c++/84348
3610         * decl.c (grokdeclarator): Early return error_mark_node upon
3611         ill-formed friend declaration.
3613 2018-02-16  Marek Polacek  <polacek@redhat.com>
3614             Jakub Jelinek  <jakub@redhat.com>
3616         PR c++/84192
3617         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3618         set *jump_target to anything if jump_target is NULL.
3620 2018-02-16  Jason Merrill  <jason@redhat.com>
3622         PR c++/84151 - unnecessary volatile load with static member.
3623         * call.c (build_new_method_call_1): Avoid loading from a volatile
3624         lvalue used as the object argument for a static member function.
3626         PR c++/81853 - using-directive and constexpr.
3627         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3629         PR c++/84420 - ICE with structured binding in lambda.
3630         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3632         PR c++/83835 - C++17 error with constructor ctors.
3633         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3635         PR c++/82664 - ICE with reference to function template parm.
3636         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3637         NOP_EXPRs.
3639         PR c++/82764 - C++17 ICE with empty base
3640         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3642 2018-02-16  Jason Merrill  <jason@redhat.com>
3644         PR c++/84421 - type-dependent if constexpr
3645         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3647 2018-02-16  Nathan Sidwell  <nathan@acm.org>
3649         Deprecate -ffriend-injection.
3650         * decl.c (cxx_init_decl_processing): Emit warning on option.
3651         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3652         friend.
3654 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
3656         PR c++/82468
3657         * decl.c (check_special_function_return_type): Reject template
3658         template parameter in deduction guide.
3660 2018-02-16  Nathan Sidwell  <nathan@acm.org>
3662         PR c++/84375
3663         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3665 2018-02-15  Jason Merrill  <jason@redhat.com>
3667         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3668         * call.c (convert_like_real): Don't use the copy-list-initialization
3669         shortcut for ck_base.
3671         PR c++/84045 - ICE with typedef and noexcept.
3672         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3674         PR c++/84376 - ICE with omitted template arguments.
3675         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3677         PR c++/84368 - wrong error with local variable in variadic lambda.
3678         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3679         local_specializations.
3681 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
3683         PR c++/84330
3684         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3685         as first argument.
3687 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
3689         PR c++/84350
3690         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3691         init, early return.
3693 2018-02-14  Nathan Sidwell  <nathan@acm.org>
3695         * decl2.c (mark_vtable_entries): Set input_location to decl's.
3696         (c_parse_final_cleanups): Restore input_location after emitting
3697         vtables.
3699 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
3701         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3702         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3703         auto_deduction_context, tree, int): Add defaults.
3704         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3705         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3706         tsubst_flags_t argument.
3707         * init.c (build_new): Likewise.
3709 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
3711         PR c++/84364
3712         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3713         about return other than *this in assignment operators if
3714         retval is type dependent expression.
3716 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
3718         PR c++/84333
3719         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3720         save_expr for the G++ extension.
3722 2018-02-13  Jason Merrill  <jason@redhat.com>
3724         PR c++/84080 - ICE with return type deduction and specialization.
3725         * pt.c (determine_specialization): Check uses_template_parms.
3727         Fix more variadic capture issues.
3728         * pt.c (find_parameter_packs_r): Also look at explicit captures.
3729         (check_for_bare_parameter_packs): Check current_class_type for
3730         lambda context.
3731         (extract_locals_r): Handle seeing a full instantiation of a pack.
3732         (tsubst_pack_expansion): Likewise.  Force lambda capture.
3733         * parser.c (cp_parser_lambda_introducer): Don't
3734         check_for_bare_parameter_packs.
3736         PR c++/84338 - wrong variadic sizeof.
3737         * pt.c (argument_pack_select_arg): Like the macro, but look through
3738         a pack expansion.
3739         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3740         (extract_fnparm_pack): Do make_pack_expansion.
3741         (extract_locals_r): Do strip a pack expansion.
3742         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3744 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
3746         PR c++/84341
3747         * parser.c (cp_parser_binary_expression): Use build_min instead of
3748         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3750 2018-02-12  Nathan Sidwell  <nathan@acm.org>
3752         PR c++/84263
3753         * parser.c (cp_parser_decltype): Push and pop
3754         deferring_access_checks.  Reorganize to avoid goto.
3756 2018-02-12  Richard Biener  <rguenther@suse.de>
3758         PR c++/84281
3759         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3760         uniform constructors and delay allocating them fully.
3762 2018-02-09  Jason Merrill  <jason@redhat.com>
3764         PR c++/84036 - ICE with variadic capture.
3765         Handle variadic capture proxies more like non-variadic.
3766         * lambda.c (build_capture_proxy): Remove workaround.
3767         * pt.c (find_parameter_packs_r): The proxy is a pack.
3768         (instantiate_class_template_1): Remove dead lambda code.
3769         (extract_fnparm_pack): Don't make_pack_expansion.
3770         (extract_locals_r): Don't strip a pack expansion.
3771         (tsubst_pack_expansion): Handle proxy packs.  Use
3772         PACK_EXPANSION_EXTRA_ARGS less.
3773         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3774         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3775         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3776         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3777         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3779 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
3781         PR sanitizer/83987
3782         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3784 2018-02-09  Jason Merrill  <jason@redhat.com>
3786         PR c++/81917 - ICE with void_t and partial specialization.
3787         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3788         calling most_specialized_partial_spec.
3790 2018-02-09  Nathan Sidwell  <nathan@acm.org>
3792         PR c/84293
3793         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3794         Pass expr location to strict_aliasing_warning.
3796 2018-02-09  Jason Merrill  <jason@redhat.com>
3798         PR c++/84296 - ICE with qualified-id in template.
3799         PR c++/83714
3800         * pt.c (unknown_base_ref_p): New.
3801         (instantiation_dependent_scope_ref_p): Use it instead of
3802         any_dependent_bases_p.
3804 2018-02-09  Marek Polacek  <polacek@redhat.com>
3805             Jakub Jelinek  <jakub@redhat.com>
3807         PR c++/83659
3808         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3809         fold_indirect_ref_1, including poly_*int64.  Verify first that
3810         tree_fits_poly_int64_p (op01).  Formatting fixes.
3812 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3814         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3815         * lambda.c (build_capture_proxy): Likewise.
3816         * search.c (field_access_p): Likewise.
3817         * semantics.c (omp_clause_decl, omp_privatize_field,
3818         finish_omp_clauses): Likewise.
3820 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3822         PR c++/83806
3823         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3824         case of nullptr too.
3826 2018-02-08  Nathan Sidwell  <nathan@acm.org>
3828         * class.c (finish_struct): Fix std:initializer_list diagnostic
3829         formatting.
3831 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
3833         PR c++/83204
3834         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3836 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
3838         PR c++/84082
3839         * parser.c (cp_parser_dot_deref_incomplete): New function.
3840         (cp_parser_postfix_dot_deref_expression): Use it.
3842 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
3844         PR c++/81610
3845         PR c++/80567
3846         * name-lookup.c (suggest_rid_p): New function.
3847         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3848         suggest_rid_p.
3850 2018-02-07  Jason Merrill  <jason@redhat.com>
3852         PR c++/84182 - ICE with captured lambda
3853         PR c++/84181
3854         * pt.c (extract_locals_r, extract_local_specs): New.
3855         (tsubst_pack_expansion): Use them.
3857 2018-02-07  Martin Liska  <mliska@suse.cz>
3859         PR c++/84059.
3860         * class.c (add_method): Append argument value.
3861         * cp-tree.h (maybe_version_functions): Add new argument.
3862         * decl.c (decls_match): Call it if a declaration does not
3863         have DECL_FUNCTION_VERSIONED.
3864         (maybe_version_functions): record argument is added.
3866 2018-02-05  Marek Polacek  <polacek@redhat.com>
3868         * class.c: Remove unused global variables.
3869         (build_primary_vtable): Don't gather statistics.
3870         (print_class_statistics): Remove.
3871         * cp-tree.h (print_class_statistics): Remove.
3872         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3874 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
3876         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3877         * constexpr.c (cx_check_missing_mem_inits): Likewise.
3878         * decl.c (next_initializable_field, find_decomp_class_base,
3879         cp_finish_decomp): Likewise.
3880         * typeck2.c (process_init_constructor_record): Likewise.
3882 2018-02-02  Jason Merrill  <jason@redhat.com>
3884         PR c++/84181 - ICE with lambda parm in template argument.
3885         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3887 2018-02-01  Jason Merrill  <jason@redhat.com>
3889         PR c++/84160 - ICE with nested variadic capture.
3890         * lambda.c (is_capture_proxy_with_ref): New.
3891         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3892         COMPONENT_REF.
3893         * expr.c (mark_use): Use is_capture_proxy_with_ref.
3894         * constexpr.c (potential_constant_expression_1): Likewise.
3895         * semantics.c (process_outer_var_ref): Likewise.
3897 2018-02-01  Marek Polacek  <polacek@redhat.com>
3899         PR c++/84125
3900         * typeck.c (build_address): Relax the assert when
3901         processing_template_decl.
3903 2018-02-01  Jason Merrill  <jason@redhat.com>
3905         PR c++/84126 - ICE with variadic generic lambda
3906         PR c++/84036
3907         PR c++/82249
3908         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3909         PACK_EXPANSION_EXTRA_ARGS.
3911 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
3913         PR c++/83796
3914         * call.c (convert_like_real): If w're initializing from {} explicitly
3915         call abstract_virtuals_error_sfinae.
3917 2018-01-31  Jason Merrill  <jason@redhat.com>
3918             Jakub Jelinek  <jakub@redhat.com>
3920         PR c++/83993
3921         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3922         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3923         on ADDR_EXPR.
3925 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
3927         PR c++/83993
3928         * constexpr.c (diag_array_subscript): Emit different diagnostics
3929         if TYPE_DOMAIN (arraytype) is NULL.
3930         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3931         with NULL TYPE_DOMAIN use size_zero_node as nelts.
3933 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
3935         PR c++/84092
3936         * semantics.c (finish_qualified_id_expr): When handling an
3937         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3939 2018-01-31  Marek Polacek  <polacek@redhat.com>
3941         PR c++/84138
3942         * cp-gimplify.c (cp_fold): Check if X is an error node before
3943         calling useless_type_conversion_p.
3945 2018-01-30  Jason Merrill  <jason@redhat.com>
3947         PR c++/84091 - ICE with local class in lambda in template.
3948         * decl2.c (determine_visibility): Look for outer containing template
3949         instantiation.
3951         PR c++/84098 - ICE with lambda in template NSDMI.
3952         * pt.c (instantiate_class_template_1): Ignore more lambdas.
3954 2018-01-29  Jason Merrill  <jason@redhat.com>
3956         PR c++/68810 - wrong location for reinterpret_cast error.
3957         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3958         !dofold.
3960 2018-01-29  Marek Polacek  <polacek@redhat.com>
3962         PR c++/83996
3963         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3964         => fooarray[1] in offset_int.
3966 2018-01-29  Jason Merrill  <jason@redhat.com>
3968         PR c++/83942 - wrong unused warning with static_cast.
3969         * cvt.c (ocp_convert): Call mark_rvalue_use.
3971 2018-01-26  Jason Merrill  <jason@redhat.com>
3973         PR c++/83956 - wrong dtor error with anonymous union
3974         * method.c (walk_field_subobs): Variant members only affect
3975         deletedness.
3976         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3978         PR c++/84036 - ICE with variadic capture.
3979         PR c++/82249
3980         * pt.c (tsubst_pack_expansion): When optimizing a simple
3981         substitution, pull a single pack expansion out of its pack.
3983         PR c++/82514 - ICE with local class in generic lambda.
3984         * pt.c (regenerated_lambda_fn_p): Remove.
3985         (enclosing_instantiation_of): Don't use it.
3986         (tsubst_function_decl): Call enclosing_instantiation_of.
3988         * pt.c (lookup_template_class_1): Add sanity check.
3989         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3991 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
3993         PR c++/84031
3994         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
3995         recursive calls that return ret.
3996         (cp_finish_decomp): Ignore unnamed bitfields.
3998 2018-01-23  Jason Merrill  <jason@redhat.com>
4000         PR c++/82249 - wrong mismatched pack length error.
4001         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
4002         unsubstituted function parameter pack.
4004 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
4006         PR c++/83921
4007         * decl.c (check_for_uninitialized_const_var): Not static; add
4008         bool and tsubst_flags_t parameters; adjust to be used both in
4009         constexpr context and not.
4010         * constexpr.c (potential_constant_expression_1): Use the above.
4011         * cp-tree.h (check_for_uninitialized_const_var): Declare.
4013 2018-01-23  Jason Merrill  <jason@redhat.com>
4015         PR c++/83947 - ICE with auto declarations.
4016         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
4017         * decl.c (undeduced_auto_decl): Limit to vars and fns.
4019 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
4021         PR c++/83974
4022         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
4023         for pointer to member function types.
4025 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
4027         PR sanitizer/83987
4028         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
4029         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
4031 2018-01-23  Nathan Sidwell  <nathan@acm.org>
4033         PR c++/83988
4034         * pt.c (tsubst_baselink): Remove optype assert.
4035         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
4037 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
4039         PR c++/83958
4040         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
4041         refers to incomplete type.
4043 2018-01-23  Nathan Sidwell  <nathan@acm.org>
4045         Deprecate ARM-era for scope handling
4046         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
4047         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
4048         cleared.
4049         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
4050         cleanup handling.
4051         * semantics.c (begin_for_scope): Flag_new_for_scope is
4052         boolean-like.
4053         (finish_for_stmt, begin_range_for_stmt): Likewise.
4055 2018-01-22  Jason Merrill  <jason@redhat.com>
4057         PR c++/83720
4058         * decl2.c (determine_visibility): Fix template_decl handling
4059         instead of blocking it.
4061         PR c++/83720 - ICE with lambda and LTO.
4062         * decl2.c (determine_visibility): Clear template_decl for
4063         function-scope decls.  Propagate anonymous linkage from containing
4064         function.
4066 2018-01-22  Marek Polacek  <polacek@redhat.com>
4068         PR c++/81933
4069         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
4070         split out anything.
4072 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
4074         PR c++/83895
4075         * decl.c (grokdeclarator): Don't diagnose extra parens
4076         on typedefs.
4078 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
4080         PR c++/81167
4081         * call.c (joust): Use TREE_TYPE (source) if source is
4082         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
4084         PR c++/83919
4085         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
4086         for direct enum init.
4087         * decl.c (reshape_init): Likewise.
4089 2018-01-19  Marek Polacek  <polacek@redhat.com>
4091         * constexpr.c (fold_simple): Simplify.
4093 2018-01-18  Jason Merrill  <jason@redhat.com>
4095         PR c++/83714
4096         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
4097         * pt.c (instantiation_dependent_scope_ref_p): True if
4098         any_dependent_bases_p.
4100 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
4102         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
4103         vs DECL_NONTRIVIALLY_INITIALIZED_P).
4105 2018-01-18  Jason Merrill  <jason@redhat.com>
4107         PR c++/82461 - constexpr list-initialized member
4108         * constexpr.c (potential_constant_expression_1): Check
4109         TARGET_EXPR_DIRECT_INIT_P.
4111 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
4113         PR c++/81013
4114         * decl.c (xref_basetypes): Early return upon error about derived
4115         union.
4117 2018-01-18  Nathan Sidwell  <nathan@acm.org>
4119         PR c++/83160
4120         * cp-tree.h (mark_use): Declare.
4121         * expr.c (mark_use): Make extern.
4122         * call.c (direct_reference_binding): Set inner conv's
4123         rvaluedness_matches_p, if it is an identity.
4124         (convert_like_real): Mark lvalue or rvalue use for identity as
4125         rvaledness_matches_p demands.
4127 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
4129         PR c++/83824
4130         * parser.c (attr_chainon): New function.
4131         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
4132         cp_parser_namespace_definition, cp_parser_init_declarator,
4133         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
4134         cp_parser_gnu_attributes_opt): Use it.
4135         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
4136         cp_parser_objc_struct_declaration): Likewise.  Don't reset
4137         prefix_attributes if attributes is error_mark_node.
4139 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
4141         PR c++/78344
4142         * decl.c (grokdeclarator): Do not append the error_mark_node
4143         due to an erroneous optional attribute-specifier-seq.
4145 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
4147         PR c++/83897
4148         * cp-gimplify.c (cp_maybe_instrument_return): Handle
4149         CLEANUP_POINT_EXPR.
4151 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
4153         PR c++/81054
4154         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
4155         error_mark_node when we give an error.
4156         * decl.c (cp_finish_decl): Use the latter.
4158 2018-01-17  Nathan Sidwell  <nathan@acm.org>
4160         PR c++/83287
4161         * init.c (build_raw_new_expr): Scan list for lookups to keep.
4163 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
4165         PR c++/83814
4166         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
4167         the C++ part.  If processing a template, call
4168         fold_non_dependent_expr rather than fully folding.
4170 2018-01-17  Jason Merrill  <jason@redhat.com>
4172         PR c++/81067 - redundant NULL warning.
4173         * call.c (convert_like_real): Restore null_node handling.
4175 2018-01-17  Jason Merrill  <jason@redhat.com>
4177         PR c++/81843 - ICE with variadic member template.
4178         PR c++/72801
4179         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
4180         template args.
4182 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
4184         PR c++/83799
4185         * pt.c (type_dependent_expression_p): Strip any location wrapper
4186         before testing tree codes.
4187         (selftest::test_type_dependent_expression_p): New function.
4188         (selftest::cp_pt_c_tests): Call it.
4190 2018-01-17  Nathan Sidwell  <nathan@acm.org>
4192         PR c++/83739
4193         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
4194         this not a final instantiation.
4196 2018-01-16  Jason Merrill  <jason@redhat.com>
4198         PR c++/83714 - ICE checking return in template.
4199         * typeck.c (check_return_expr): Call build_non_dependent_expr.
4201 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
4203         PR c++/83817
4204         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
4205         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
4206         instead of CALL_FROM_THUNK_P.
4208         PR c++/83825
4209         * name-lookup.c (member_vec_dedup): Return early if len is 0.
4210         (resort_type_member_vec, set_class_bindings,
4211         insert_late_enum_def_bindings): Use vec qsort method instead of
4212         calling qsort directly.
4214 2018-01-15  Martin Sebor  <msebor@redhat.com>
4216         PR c++/83588
4217         * class.c (find_flexarrays): Make a record of multiple flexible array
4218         members.
4220 2018-01-12  Jason Merrill  <jason@redhat.com>
4222         PR c++/83186 - ICE with static_cast of list-initialized temporary.
4223         * typeck.c (build_static_cast): Use build_non_dependent_expr.
4225 2018-01-12  Nathan Sidwell  <nathan@acm.org>
4227         * cp-tree.h (mark_rvalue_use): Add parm name.
4228         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
4229         mark_rvalue_use.
4230         * call.c (convert_like_real): Fix formatting.
4232 2018-01-11  Jason Merrill  <jason@redhat.com>
4234         PR c++/82728 - wrong -Wunused-but-set-variable
4235         PR c++/82799
4236         PR c++/83690
4237         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
4238         * decl.c (case_conversion): Likewise.
4239         * semantics.c (finish_static_assert): Call
4240         perform_implicit_conversion_flags.
4242 2018-01-11  Nathan Sidwell  <nathan@acm.org>
4244         * method.c (enum mangling_flags): Delete long-dead enum.
4246 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
4248         * parser.c (cp_parser_std_attribute_spec): When
4249         token_pair::require_open / require_close return false simply
4250         return error_mark_node, avoid duplicate cp_parser_error about
4251         expected '(' / ')', respectively.
4253 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
4255         PR c++/43486
4256         * call.c (null_ptr_cst_p): Strip location wrappers when
4257         converting from '0' to a pointer type in C++11 onwards.
4258         (conversion_null_warnings): Replace comparison with null_node with
4259         call to null_node_p.
4260         (build_over_call): Likewise.
4261         * cp-gimplify.c (cp_fold): Remove the early bailout when
4262         processing_template_decl.
4263         * cp-lang.c (selftest::run_cp_tests): Call
4264         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
4265         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
4266         (selftest::run_cp_tests): Move decl to bottom of file.
4267         (null_node_p): New inline function.
4268         (selftest::cp_pt_c_tests): New decl.
4269         (selftest::cp_tree_c_tests): New decl.
4270         * cvt.c (build_expr_type_conversion): Replace comparison with
4271         null_node with call to null_node_p.
4272         * error.c (args_to_string): Likewise.
4273         * except.c (build_throw): Likewise.
4274         * mangle.c (write_expression): Skip location wrapper nodes.
4275         * parser.c (literal_integer_zerop): New function.
4276         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
4277         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
4278         param of cp_parser_parenthesized_expression_list.  When calling
4279         warn_for_memset, replace integer_zerop calls with
4280         literal_integer_zerop, eliminating the double logical negation
4281         cast to bool.  Eliminate the special-casing for CONST_DECL in
4282         favor of the fold_for_warn within warn_for_memset.
4283         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
4284         param, defaulting to false.  Convert "expr" to a cp_expr, and call
4285         maybe_add_location_wrapper on it when wrap_locations_p is true.
4286         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
4287         the result for RID_ALIGNOF and RID_SIZEOF.
4288         (cp_parser_builtin_offsetof): Likewise.
4289         * pt.c: Include "selftest.h".
4290         (tsubst_copy): Handle location wrappers.
4291         (tsubst_copy_and_build): Likewise.
4292         (build_non_dependent_expr): Likewise.
4293         (selftest::test_build_non_dependent_expr): New function.
4294         (selftest::cp_pt_c_tests): New function.
4295         * tree.c: Include "selftest.h".
4296         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
4297         (selftest::test_lvalue_kind): New function.
4298         (selftest::cp_tree_c_tests): New function.
4299         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
4300         (cp_build_binary_op): Replace comparison with null_node with call
4301         to null_node_p.
4302         (build_address): Use location of operand when building address
4303         expression.
4305 2018-01-10  Marek Polacek  <polacek@redhat.com>
4307         PR c++/82541
4308         * call.c (build_conditional_expr_1): Check complain before warning.
4309         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
4310         -Wduplicated-branches.
4312 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
4314         PR c++/81327
4315         * call.c (maybe_warn_class_memaccess): Add forward declaration.
4316         Change last argument from tree * to const vec<tree, va_gc> *, adjust
4317         args uses and check number of operands too.  Don't strip away any
4318         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
4319         Deal with src argument not having pointer type.  Check
4320         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
4321         test.
4322         (build_over_call): Call maybe_warn_class_memaccess here on the
4323         original arguments.
4324         (build_cxx_call): Rather than here on converted arguments.
4326 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
4328         PR c++/81055
4329         * init.c (build_vec_init): Avoid building an INIT_EXPR with
4330         error_mark_node as second argument.
4332 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
4334         PR c++/83734
4335         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
4336         in STATEMENT_LIST.  Remove unneeded assert.
4338 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
4339             Alan Hayward  <alan.hayward@arm.com>
4340             David Sherwood  <david.sherwood@arm.com>
4342         * constexpr.c (cxx_eval_array_reference): Handle polynomial
4343         VECTOR_CST_NELTS.
4344         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
4345         * call.c (build_conditional_expr_1): Likewise.
4346         * decl.c (cp_finish_decomp): Likewise.
4347         * mangle.c (write_type): Likewise.
4348         * typeck.c (structural_comptypes): Likewise.
4349         (cp_build_binary_op): Likewise.
4350         * typeck2.c (process_init_constructor_array): Likewise.
4352 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4354         PR c++/83555
4355         * typeck.c (build_static_cast_1): For static casts to reference types,
4356         call build_base_path with flag_delete_null_pointer_checks as nonnull
4357         instead of always false.  When -fsanitize=null, call
4358         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
4359         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
4360         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
4362 2018-01-03  Nathan Sidwell  <nathan@acm.org>
4364         PR c++/83667
4365         * method.c (make_alias_for): Copy DECL_CONTEXT.
4367 2018-01-03  Marek Polacek  <polacek@redhat.com>
4369         PR c++/83592
4370         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4372 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4374         PR preprocessor/83602
4375         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4376         for builtin macros.
4378         PR c++/83634
4379         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4380         error_mark_node, return error_mark_node.
4382         Update copyright years.
4384 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
4386         PR c++/83556
4387         * tree.c (replace_placeholders_r): Pass NULL as last argument to
4388         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
4389         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4390         to false and return.
4391         (replace_placeholders): Pass NULL instead of &pset as last argument
4392         to cp_walk_tree.
4394 2018-01-02  Nathan Sidwell  <nathan@acm.org>
4396         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4397         lval var.
4399 Copyright (C) 2018 Free Software Foundation, Inc.
4401 Copying and distribution of this file, with or without modification,
4402 are permitted in any medium without royalty provided the copyright
4403 notice and this notice are preserved.