PR c++/84430
[official-gcc.git] / gcc / cp / ChangeLog
blob58fc0935903ae433b23e34e9c5079e3ea177786d
1 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
3         PR c++/84430
4         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
6 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
8         PR c++/84348
9         * decl.c (grokdeclarator): Early return error_mark_node upon
10         ill-formed friend declaration.
12 2018-02-16  Marek Polacek  <polacek@redhat.com>
13             Jakub Jelinek  <jakub@redhat.com>
15         PR c++/84192
16         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
17         set *jump_target to anything if jump_target is NULL.
19 2018-02-16  Jason Merrill  <jason@redhat.com>
21         PR c++/84151 - unnecessary volatile load with static member.
22         * call.c (build_new_method_call_1): Avoid loading from a volatile
23         lvalue used as the object argument for a static member function.
25         PR c++/81853 - using-directive and constexpr.
26         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
28         PR c++/84420 - ICE with structured binding in lambda.
29         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
31         PR c++/83835 - C++17 error with constructor ctors.
32         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
34         PR c++/82664 - ICE with reference to function template parm.
35         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
36         NOP_EXPRs.
38         PR c++/82764 - C++17 ICE with empty base
39         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
41 2018-02-16  Jason Merrill  <jason@redhat.com>
43         PR c++/84421 - type-dependent if constexpr
44         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
46 2018-02-16  Nathan Sidwell  <nathan@acm.org>
48         Deprecate -ffriend-injection.
49         * decl.c (cxx_init_decl_processing): Emit warning on option.
50         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
51         friend.
53 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
55         PR c++/82468
56         * decl.c (check_special_function_return_type): Reject template
57         template parameter in deduction guide.
59 2018-02-16  Nathan Sidwell  <nathan@acm.org>
61         PR c++/84375
62         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
64 2018-02-15  Jason Merrill  <jason@redhat.com>
66         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
67         * call.c (convert_like_real): Don't use the copy-list-initialization
68         shortcut for ck_base.
70         PR c++/84045 - ICE with typedef and noexcept.
71         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
73         PR c++/84376 - ICE with omitted template arguments.
74         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
76         PR c++/84368 - wrong error with local variable in variadic lambda.
77         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
78         local_specializations.
80 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
82         PR c++/84330
83         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
84         as first argument.
86 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
88         PR c++/84350
89         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
90         init, early return.
92 2018-02-14  Nathan Sidwell  <nathan@acm.org>
94         * decl2.c (mark_vtable_entries): Set input_location to decl's.
95         (c_parse_final_cleanups): Restore input_location after emitting
96         vtables.
98 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
100         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
101         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
102         auto_deduction_context, tree, int): Add defaults.
103         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
104         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
105         tsubst_flags_t argument.
106         * init.c (build_new): Likewise.
108 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
110         PR c++/84364
111         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
112         about return other than *this in assignment operators if
113         retval is type dependent expression.
115 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
117         PR c++/84333
118         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
119         save_expr for the G++ extension.
121 2018-02-13  Jason Merrill  <jason@redhat.com>
123         PR c++/84080 - ICE with return type deduction and specialization.
124         * pt.c (determine_specialization): Check uses_template_parms.
126         Fix more variadic capture issues.
127         * pt.c (find_parameter_packs_r): Also look at explicit captures.
128         (check_for_bare_parameter_packs): Check current_class_type for
129         lambda context.
130         (extract_locals_r): Handle seeing a full instantiation of a pack.
131         (tsubst_pack_expansion): Likewise.  Force lambda capture.
132         * parser.c (cp_parser_lambda_introducer): Don't
133         check_for_bare_parameter_packs.
135         PR c++/84338 - wrong variadic sizeof.
136         * pt.c (argument_pack_select_arg): Like the macro, but look through
137         a pack expansion.
138         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
139         (extract_fnparm_pack): Do make_pack_expansion.
140         (extract_locals_r): Do strip a pack expansion.
141         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
143 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
145         PR c++/84341
146         * parser.c (cp_parser_binary_expression): Use build_min instead of
147         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
149 2018-02-12  Nathan Sidwell  <nathan@acm.org>
151         PR c++/84263
152         * parser.c (cp_parser_decltype): Push and pop
153         deferring_access_checks.  Reorganize to avoid goto.
155 2018-02-12  Richard Biener  <rguenther@suse.de>
157         PR c++/84281
158         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
159         uniform constructors and delay allocating them fully.
161 2018-02-09  Jason Merrill  <jason@redhat.com>
163         PR c++/84036 - ICE with variadic capture.
164         Handle variadic capture proxies more like non-variadic.
165         * lambda.c (build_capture_proxy): Remove workaround.
166         * pt.c (find_parameter_packs_r): The proxy is a pack.
167         (instantiate_class_template_1): Remove dead lambda code.
168         (extract_fnparm_pack): Don't make_pack_expansion.
169         (extract_locals_r): Don't strip a pack expansion.
170         (tsubst_pack_expansion): Handle proxy packs.  Use
171         PACK_EXPANSION_EXTRA_ARGS less.
172         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
173         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
174         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
175         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
176         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
178 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
180         PR sanitizer/83987
181         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
183 2018-02-09  Jason Merrill  <jason@redhat.com>
185         PR c++/81917 - ICE with void_t and partial specialization.
186         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
187         calling most_specialized_partial_spec.
189 2018-02-09  Nathan Sidwell  <nathan@acm.org>
191         PR c/84293
192         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
193         Pass expr location to strict_aliasing_warning.
195 2018-02-09  Jason Merrill  <jason@redhat.com>
197         PR c++/84296 - ICE with qualified-id in template.
198         PR c++/83714
199         * pt.c (unknown_base_ref_p): New.
200         (instantiation_dependent_scope_ref_p): Use it instead of
201         any_dependent_bases_p.
203 2018-02-09  Marek Polacek  <polacek@redhat.com>
204             Jakub Jelinek  <jakub@redhat.com>
206         PR c++/83659
207         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
208         fold_indirect_ref_1, including poly_*int64.  Verify first that
209         tree_fits_poly_int64_p (op01).  Formatting fixes.
211 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
213         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
214         * lambda.c (build_capture_proxy): Likewise.
215         * search.c (field_access_p): Likewise.
216         * semantics.c (omp_clause_decl, omp_privatize_field,
217         finish_omp_clauses): Likewise.
219 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
221         PR c++/83806
222         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
223         case of nullptr too.
225 2018-02-08  Nathan Sidwell  <nathan@acm.org>
227         * class.c (finish_struct): Fix std:initializer_list diagnostic
228         formatting.
230 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
232         PR c++/83204
233         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
235 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
237         PR c++/84082
238         * parser.c (cp_parser_dot_deref_incomplete): New function.
239         (cp_parser_postfix_dot_deref_expression): Use it.
241 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
243         PR c++/81610
244         PR c++/80567
245         * name-lookup.c (suggest_rid_p): New function.
246         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
247         suggest_rid_p.
249 2018-02-07  Jason Merrill  <jason@redhat.com>
251         PR c++/84182 - ICE with captured lambda
252         PR c++/84181
253         * pt.c (extract_locals_r, extract_local_specs): New.
254         (tsubst_pack_expansion): Use them.
256 2018-02-07  Martin Liska  <mliska@suse.cz>
258         PR c++/84059.
259         * class.c (add_method): Append argument value.
260         * cp-tree.h (maybe_version_functions): Add new argument.
261         * decl.c (decls_match): Call it if a declaration does not
262         have DECL_FUNCTION_VERSIONED.
263         (maybe_version_functions): record argument is added.
265 2018-02-05  Marek Polacek  <polacek@redhat.com>
267         * class.c: Remove unused global variables.
268         (build_primary_vtable): Don't gather statistics.
269         (print_class_statistics): Remove.
270         * cp-tree.h (print_class_statistics): Remove.
271         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
273 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
275         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
276         * constexpr.c (cx_check_missing_mem_inits): Likewise.
277         * decl.c (next_initializable_field, find_decomp_class_base,
278         cp_finish_decomp): Likewise.
279         * typeck2.c (process_init_constructor_record): Likewise.
281 2018-02-02  Jason Merrill  <jason@redhat.com>
283         PR c++/84181 - ICE with lambda parm in template argument.
284         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
286 2018-02-01  Jason Merrill  <jason@redhat.com>
288         PR c++/84160 - ICE with nested variadic capture.
289         * lambda.c (is_capture_proxy_with_ref): New.
290         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
291         COMPONENT_REF.
292         * expr.c (mark_use): Use is_capture_proxy_with_ref.
293         * constexpr.c (potential_constant_expression_1): Likewise.
294         * semantics.c (process_outer_var_ref): Likewise.
296 2018-02-01  Marek Polacek  <polacek@redhat.com>
298         PR c++/84125
299         * typeck.c (build_address): Relax the assert when
300         processing_template_decl.
302 2018-02-01  Jason Merrill  <jason@redhat.com>
304         PR c++/84126 - ICE with variadic generic lambda
305         PR c++/84036
306         PR c++/82249
307         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
308         PACK_EXPANSION_EXTRA_ARGS.
310 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
312         PR c++/83796
313         * call.c (convert_like_real): If w're initializing from {} explicitly
314         call abstract_virtuals_error_sfinae.
316 2018-01-31  Jason Merrill  <jason@redhat.com>
317             Jakub Jelinek  <jakub@redhat.com>
319         PR c++/83993
320         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
321         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
322         on ADDR_EXPR.
324 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
326         PR c++/83993
327         * constexpr.c (diag_array_subscript): Emit different diagnostics
328         if TYPE_DOMAIN (arraytype) is NULL.
329         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
330         with NULL TYPE_DOMAIN use size_zero_node as nelts.
332 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
334         PR c++/84092
335         * semantics.c (finish_qualified_id_expr): When handling an
336         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
338 2018-01-31  Marek Polacek  <polacek@redhat.com>
340         PR c++/84138
341         * cp-gimplify.c (cp_fold): Check if X is an error node before
342         calling useless_type_conversion_p.
344 2018-01-30  Jason Merrill  <jason@redhat.com>
346         PR c++/84091 - ICE with local class in lambda in template.
347         * decl2.c (determine_visibility): Look for outer containing template
348         instantiation.
350         PR c++/84098 - ICE with lambda in template NSDMI.
351         * pt.c (instantiate_class_template_1): Ignore more lambdas.
353 2018-01-29  Jason Merrill  <jason@redhat.com>
355         PR c++/68810 - wrong location for reinterpret_cast error.
356         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
357         !dofold.
359 2018-01-29  Marek Polacek  <polacek@redhat.com>
361         PR c++/83996
362         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
363         => fooarray[1] in offset_int.
365 2018-01-29  Jason Merrill  <jason@redhat.com>
367         PR c++/83942 - wrong unused warning with static_cast.
368         * cvt.c (ocp_convert): Call mark_rvalue_use.
370 2018-01-26  Jason Merrill  <jason@redhat.com>
372         PR c++/83956 - wrong dtor error with anonymous union
373         * method.c (walk_field_subobs): Variant members only affect
374         deletedness.
375         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
377         PR c++/84036 - ICE with variadic capture.
378         PR c++/82249
379         * pt.c (tsubst_pack_expansion): When optimizing a simple
380         substitution, pull a single pack expansion out of its pack.
382         PR c++/82514 - ICE with local class in generic lambda.
383         * pt.c (regenerated_lambda_fn_p): Remove.
384         (enclosing_instantiation_of): Don't use it.
385         (tsubst_function_decl): Call enclosing_instantiation_of.
387         * pt.c (lookup_template_class_1): Add sanity check.
388         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
390 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
392         PR c++/84031
393         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
394         recursive calls that return ret.
395         (cp_finish_decomp): Ignore unnamed bitfields.
397 2018-01-23  Jason Merrill  <jason@redhat.com>
399         PR c++/82249 - wrong mismatched pack length error.
400         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
401         unsubstituted function parameter pack.
403 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
405         PR c++/83921
406         * decl.c (check_for_uninitialized_const_var): Not static; add
407         bool and tsubst_flags_t parameters; adjust to be used both in
408         constexpr context and not.
409         * constexpr.c (potential_constant_expression_1): Use the above.
410         * cp-tree.h (check_for_uninitialized_const_var): Declare.
412 2018-01-23  Jason Merrill  <jason@redhat.com>
414         PR c++/83947 - ICE with auto declarations.
415         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
416         * decl.c (undeduced_auto_decl): Limit to vars and fns.
418 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
420         PR c++/83974
421         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
422         for pointer to member function types.
424 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
426         PR sanitizer/83987
427         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
428         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
430 2018-01-23  Nathan Sidwell  <nathan@acm.org>
432         PR c++/83988
433         * pt.c (tsubst_baselink): Remove optype assert.
434         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
436 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
438         PR c++/83958
439         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
440         refers to incomplete type.
442 2018-01-23  Nathan Sidwell  <nathan@acm.org>
444         Deprecate ARM-era for scope handling
445         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
446         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
447         cleared.
448         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
449         cleanup handling.
450         * semantics.c (begin_for_scope): Flag_new_for_scope is
451         boolean-like.
452         (finish_for_stmt, begin_range_for_stmt): Likewise.
454 2018-01-22  Jason Merrill  <jason@redhat.com>
456         PR c++/83720
457         * decl2.c (determine_visibility): Fix template_decl handling
458         instead of blocking it.
460         PR c++/83720 - ICE with lambda and LTO.
461         * decl2.c (determine_visibility): Clear template_decl for
462         function-scope decls.  Propagate anonymous linkage from containing
463         function.
465 2018-01-22  Marek Polacek  <polacek@redhat.com>
467         PR c++/81933
468         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
469         split out anything.
471 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
473         PR c++/83895
474         * decl.c (grokdeclarator): Don't diagnose extra parens
475         on typedefs.
477 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
479         PR c++/81167
480         * call.c (joust): Use TREE_TYPE (source) if source is
481         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
483         PR c++/83919
484         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
485         for direct enum init.
486         * decl.c (reshape_init): Likewise.
488 2018-01-19  Marek Polacek  <polacek@redhat.com>
490         * constexpr.c (fold_simple): Simplify.
492 2018-01-18  Jason Merrill  <jason@redhat.com>
494         PR c++/83714
495         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
496         * pt.c (instantiation_dependent_scope_ref_p): True if
497         any_dependent_bases_p.
499 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
501         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
502         vs DECL_NONTRIVIALLY_INITIALIZED_P).
504 2018-01-18  Jason Merrill  <jason@redhat.com>
506         PR c++/82461 - constexpr list-initialized member
507         * constexpr.c (potential_constant_expression_1): Check
508         TARGET_EXPR_DIRECT_INIT_P.
510 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
512         PR c++/81013
513         * decl.c (xref_basetypes): Early return upon error about derived
514         union.
516 2018-01-18  Nathan Sidwell  <nathan@acm.org>
518         PR c++/83160
519         * cp-tree.h (mark_use): Declare.
520         * expr.c (mark_use): Make extern.
521         * call.c (direct_reference_binding): Set inner conv's
522         rvaluedness_matches_p, if it is an identity.
523         (convert_like_real): Mark lvalue or rvalue use for identity as
524         rvaledness_matches_p demands.
526 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
528         PR c++/83824
529         * parser.c (attr_chainon): New function.
530         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
531         cp_parser_namespace_definition, cp_parser_init_declarator,
532         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
533         cp_parser_gnu_attributes_opt): Use it.
534         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
535         cp_parser_objc_struct_declaration): Likewise.  Don't reset
536         prefix_attributes if attributes is error_mark_node.
538 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
540         PR c++/78344
541         * decl.c (grokdeclarator): Do not append the error_mark_node
542         due to an erroneous optional attribute-specifier-seq.
544 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
546         PR c++/83897
547         * cp-gimplify.c (cp_maybe_instrument_return): Handle
548         CLEANUP_POINT_EXPR.
550 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
552         PR c++/81054
553         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
554         error_mark_node when we give an error.
555         * decl.c (cp_finish_decl): Use the latter.
557 2018-01-17  Nathan Sidwell  <nathan@acm.org>
559         PR c++/83287
560         * init.c (build_raw_new_expr): Scan list for lookups to keep.
562 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
564         PR c++/83814
565         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
566         the C++ part.  If processing a template, call
567         fold_non_dependent_expr rather than fully folding.
569 2018-01-17  Jason Merrill  <jason@redhat.com>
571         PR c++/81067 - redundant NULL warning.
572         * call.c (convert_like_real): Restore null_node handling.
574 2018-01-17  Jason Merrill  <jason@redhat.com>
576         PR c++/81843 - ICE with variadic member template.
577         PR c++/72801
578         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
579         template args.
581 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
583         PR c++/83799
584         * pt.c (type_dependent_expression_p): Strip any location wrapper
585         before testing tree codes.
586         (selftest::test_type_dependent_expression_p): New function.
587         (selftest::cp_pt_c_tests): Call it.
589 2018-01-17  Nathan Sidwell  <nathan@acm.org>
591         PR c++/83739
592         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
593         this not a final instantiation.
595 2018-01-16  Jason Merrill  <jason@redhat.com>
597         PR c++/83714 - ICE checking return in template.
598         * typeck.c (check_return_expr): Call build_non_dependent_expr.
600 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
602         PR c++/83817
603         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
604         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
605         instead of CALL_FROM_THUNK_P.
607         PR c++/83825
608         * name-lookup.c (member_vec_dedup): Return early if len is 0.
609         (resort_type_member_vec, set_class_bindings,
610         insert_late_enum_def_bindings): Use vec qsort method instead of
611         calling qsort directly.
613 2018-01-15  Martin Sebor  <msebor@redhat.com>
615         PR c++/83588
616         * class.c (find_flexarrays): Make a record of multiple flexible array
617         members.
619 2018-01-12  Jason Merrill  <jason@redhat.com>
621         PR c++/83186 - ICE with static_cast of list-initialized temporary.
622         * typeck.c (build_static_cast): Use build_non_dependent_expr.
624 2018-01-12  Nathan Sidwell  <nathan@acm.org>
626         * cp-tree.h (mark_rvalue_use): Add parm name.
627         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
628         mark_rvalue_use.
629         * call.c (convert_like_real): Fix formatting.
631 2018-01-11  Jason Merrill  <jason@redhat.com>
633         PR c++/82728 - wrong -Wunused-but-set-variable
634         PR c++/82799
635         PR c++/83690
636         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
637         * decl.c (case_conversion): Likewise.
638         * semantics.c (finish_static_assert): Call
639         perform_implicit_conversion_flags.
641 2018-01-11  Nathan Sidwell  <nathan@acm.org>
643         * method.c (enum mangling_flags): Delete long-dead enum.
645 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
647         * parser.c (cp_parser_std_attribute_spec): When
648         token_pair::require_open / require_close return false simply
649         return error_mark_node, avoid duplicate cp_parser_error about
650         expected '(' / ')', respectively.
652 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
654         PR c++/43486
655         * call.c (null_ptr_cst_p): Strip location wrappers when
656         converting from '0' to a pointer type in C++11 onwards.
657         (conversion_null_warnings): Replace comparison with null_node with
658         call to null_node_p.
659         (build_over_call): Likewise.
660         * cp-gimplify.c (cp_fold): Remove the early bailout when
661         processing_template_decl.
662         * cp-lang.c (selftest::run_cp_tests): Call
663         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
664         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
665         (selftest::run_cp_tests): Move decl to bottom of file.
666         (null_node_p): New inline function.
667         (selftest::cp_pt_c_tests): New decl.
668         (selftest::cp_tree_c_tests): New decl.
669         * cvt.c (build_expr_type_conversion): Replace comparison with
670         null_node with call to null_node_p.
671         * error.c (args_to_string): Likewise.
672         * except.c (build_throw): Likewise.
673         * mangle.c (write_expression): Skip location wrapper nodes.
674         * parser.c (literal_integer_zerop): New function.
675         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
676         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
677         param of cp_parser_parenthesized_expression_list.  When calling
678         warn_for_memset, replace integer_zerop calls with
679         literal_integer_zerop, eliminating the double logical negation
680         cast to bool.  Eliminate the special-casing for CONST_DECL in
681         favor of the fold_for_warn within warn_for_memset.
682         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
683         param, defaulting to false.  Convert "expr" to a cp_expr, and call
684         maybe_add_location_wrapper on it when wrap_locations_p is true.
685         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
686         the result for RID_ALIGNOF and RID_SIZEOF.
687         (cp_parser_builtin_offsetof): Likewise.
688         * pt.c: Include "selftest.h".
689         (tsubst_copy): Handle location wrappers.
690         (tsubst_copy_and_build): Likewise.
691         (build_non_dependent_expr): Likewise.
692         (selftest::test_build_non_dependent_expr): New function.
693         (selftest::cp_pt_c_tests): New function.
694         * tree.c: Include "selftest.h".
695         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
696         (selftest::test_lvalue_kind): New function.
697         (selftest::cp_tree_c_tests): New function.
698         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
699         (cp_build_binary_op): Replace comparison with null_node with call
700         to null_node_p.
701         (build_address): Use location of operand when building address
702         expression.
704 2018-01-10  Marek Polacek  <polacek@redhat.com>
706         PR c++/82541
707         * call.c (build_conditional_expr_1): Check complain before warning.
708         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
709         -Wduplicated-branches.
711 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
713         PR c++/81327
714         * call.c (maybe_warn_class_memaccess): Add forward declaration.
715         Change last argument from tree * to const vec<tree, va_gc> *, adjust
716         args uses and check number of operands too.  Don't strip away any
717         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
718         Deal with src argument not having pointer type.  Check
719         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
720         test.
721         (build_over_call): Call maybe_warn_class_memaccess here on the
722         original arguments.
723         (build_cxx_call): Rather than here on converted arguments.
725 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
727         PR c++/81055
728         * init.c (build_vec_init): Avoid building an INIT_EXPR with
729         error_mark_node as second argument.
731 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
733         PR c++/83734
734         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
735         in STATEMENT_LIST.  Remove unneeded assert.
737 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
738             Alan Hayward  <alan.hayward@arm.com>
739             David Sherwood  <david.sherwood@arm.com>
741         * constexpr.c (cxx_eval_array_reference): Handle polynomial
742         VECTOR_CST_NELTS.
743         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
744         * call.c (build_conditional_expr_1): Likewise.
745         * decl.c (cp_finish_decomp): Likewise.
746         * mangle.c (write_type): Likewise.
747         * typeck.c (structural_comptypes): Likewise.
748         (cp_build_binary_op): Likewise.
749         * typeck2.c (process_init_constructor_array): Likewise.
751 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
753         PR c++/83555
754         * typeck.c (build_static_cast_1): For static casts to reference types,
755         call build_base_path with flag_delete_null_pointer_checks as nonnull
756         instead of always false.  When -fsanitize=null, call
757         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
758         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
759         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
761 2018-01-03  Nathan Sidwell  <nathan@acm.org>
763         PR c++/83667
764         * method.c (make_alias_for): Copy DECL_CONTEXT.
766 2018-01-03  Marek Polacek  <polacek@redhat.com>
768         PR c++/83592
769         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
771 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
773         PR preprocessor/83602
774         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
775         for builtin macros.
777         PR c++/83634
778         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
779         error_mark_node, return error_mark_node.
781         Update copyright years.
783 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
785         PR c++/83556
786         * tree.c (replace_placeholders_r): Pass NULL as last argument to
787         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
788         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
789         to false and return.
790         (replace_placeholders): Pass NULL instead of &pset as last argument
791         to cp_walk_tree.
793 2018-01-02  Nathan Sidwell  <nathan@acm.org>
795         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
796         lval var.
798 Copyright (C) 2018 Free Software Foundation, Inc.
800 Copying and distribution of this file, with or without modification,
801 are permitted in any medium without royalty provided the copyright
802 notice and this notice are preserved.