[PR c++/84375] Fix ICE after bad friend
[official-gcc.git] / gcc / cp / ChangeLog
blobee3ade9bd050845910d6673ec9927ef2965bcbf9
1 2018-02-16  Nathan Sidwell  <nathan@acm.org>
3         PR c++/84375
4         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
6 2018-02-15  Jason Merrill  <jason@redhat.com>
8         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
9         * call.c (convert_like_real): Don't use the copy-list-initialization
10         shortcut for ck_base.
12         PR c++/84045 - ICE with typedef and noexcept.
13         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
15         PR c++/84376 - ICE with omitted template arguments.
16         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
18         PR c++/84368 - wrong error with local variable in variadic lambda.
19         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
20         local_specializations.
22 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
24         PR c++/84330
25         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
26         as first argument.
28 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
30         PR c++/84350
31         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
32         init, early return.
34 2018-02-14  Nathan Sidwell  <nathan@acm.org>
36         * decl2.c (mark_vtable_entries): Set input_location to decl's.
37         (c_parse_final_cleanups): Restore input_location after emitting
38         vtables.
40 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
42         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
43         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
44         auto_deduction_context, tree, int): Add defaults.
45         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
46         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
47         tsubst_flags_t argument.
48         * init.c (build_new): Likewise.
50 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
52         PR c++/84364
53         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
54         about return other than *this in assignment operators if
55         retval is type dependent expression.
57 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
59         PR c++/84333
60         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
61         save_expr for the G++ extension.
63 2018-02-13  Jason Merrill  <jason@redhat.com>
65         PR c++/84080 - ICE with return type deduction and specialization.
66         * pt.c (determine_specialization): Check uses_template_parms.
68         Fix more variadic capture issues.
69         * pt.c (find_parameter_packs_r): Also look at explicit captures.
70         (check_for_bare_parameter_packs): Check current_class_type for
71         lambda context.
72         (extract_locals_r): Handle seeing a full instantiation of a pack.
73         (tsubst_pack_expansion): Likewise.  Force lambda capture.
74         * parser.c (cp_parser_lambda_introducer): Don't
75         check_for_bare_parameter_packs.
77         PR c++/84338 - wrong variadic sizeof.
78         * pt.c (argument_pack_select_arg): Like the macro, but look through
79         a pack expansion.
80         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
81         (extract_fnparm_pack): Do make_pack_expansion.
82         (extract_locals_r): Do strip a pack expansion.
83         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
85 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
87         PR c++/84341
88         * parser.c (cp_parser_binary_expression): Use build_min instead of
89         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
91 2018-02-12  Nathan Sidwell  <nathan@acm.org>
93         PR c++/84263
94         * parser.c (cp_parser_decltype): Push and pop
95         deferring_access_checks.  Reorganize to avoid goto.
97 2018-02-12  Richard Biener  <rguenther@suse.de>
99         PR c++/84281
100         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
101         uniform constructors and delay allocating them fully.
103 2018-02-09  Jason Merrill  <jason@redhat.com>
105         PR c++/84036 - ICE with variadic capture.
106         Handle variadic capture proxies more like non-variadic.
107         * lambda.c (build_capture_proxy): Remove workaround.
108         * pt.c (find_parameter_packs_r): The proxy is a pack.
109         (instantiate_class_template_1): Remove dead lambda code.
110         (extract_fnparm_pack): Don't make_pack_expansion.
111         (extract_locals_r): Don't strip a pack expansion.
112         (tsubst_pack_expansion): Handle proxy packs.  Use
113         PACK_EXPANSION_EXTRA_ARGS less.
114         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
115         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
116         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
117         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
118         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
120 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
122         PR sanitizer/83987
123         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
125 2018-02-09  Jason Merrill  <jason@redhat.com>
127         PR c++/81917 - ICE with void_t and partial specialization.
128         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
129         calling most_specialized_partial_spec.
131 2018-02-09  Nathan Sidwell  <nathan@acm.org>
133         PR c/84293
134         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
135         Pass expr location to strict_aliasing_warning.
137 2018-02-09  Jason Merrill  <jason@redhat.com>
139         PR c++/84296 - ICE with qualified-id in template.
140         PR c++/83714
141         * pt.c (unknown_base_ref_p): New.
142         (instantiation_dependent_scope_ref_p): Use it instead of
143         any_dependent_bases_p.
145 2018-02-09  Marek Polacek  <polacek@redhat.com>
146             Jakub Jelinek  <jakub@redhat.com>
148         PR c++/83659
149         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
150         fold_indirect_ref_1, including poly_*int64.  Verify first that
151         tree_fits_poly_int64_p (op01).  Formatting fixes.
153 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
155         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
156         * lambda.c (build_capture_proxy): Likewise.
157         * search.c (field_access_p): Likewise.
158         * semantics.c (omp_clause_decl, omp_privatize_field,
159         finish_omp_clauses): Likewise.
161 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
163         PR c++/83806
164         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
165         case of nullptr too.
167 2018-02-08  Nathan Sidwell  <nathan@acm.org>
169         * class.c (finish_struct): Fix std:initializer_list diagnostic
170         formatting.
172 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
174         PR c++/83204
175         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
177 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
179         PR c++/84082
180         * parser.c (cp_parser_dot_deref_incomplete): New function.
181         (cp_parser_postfix_dot_deref_expression): Use it.
183 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
185         PR c++/81610
186         PR c++/80567
187         * name-lookup.c (suggest_rid_p): New function.
188         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
189         suggest_rid_p.
191 2018-02-07  Jason Merrill  <jason@redhat.com>
193         PR c++/84182 - ICE with captured lambda
194         PR c++/84181
195         * pt.c (extract_locals_r, extract_local_specs): New.
196         (tsubst_pack_expansion): Use them.
198 2018-02-07  Martin Liska  <mliska@suse.cz>
200         PR c++/84059.
201         * class.c (add_method): Append argument value.
202         * cp-tree.h (maybe_version_functions): Add new argument.
203         * decl.c (decls_match): Call it if a declaration does not
204         have DECL_FUNCTION_VERSIONED.
205         (maybe_version_functions): record argument is added.
207 2018-02-05  Marek Polacek  <polacek@redhat.com>
209         * class.c: Remove unused global variables.
210         (build_primary_vtable): Don't gather statistics.
211         (print_class_statistics): Remove.
212         * cp-tree.h (print_class_statistics): Remove.
213         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
215 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
217         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
218         * constexpr.c (cx_check_missing_mem_inits): Likewise.
219         * decl.c (next_initializable_field, find_decomp_class_base,
220         cp_finish_decomp): Likewise.
221         * typeck2.c (process_init_constructor_record): Likewise.
223 2018-02-02  Jason Merrill  <jason@redhat.com>
225         PR c++/84181 - ICE with lambda parm in template argument.
226         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
228 2018-02-01  Jason Merrill  <jason@redhat.com>
230         PR c++/84160 - ICE with nested variadic capture.
231         * lambda.c (is_capture_proxy_with_ref): New.
232         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
233         COMPONENT_REF.
234         * expr.c (mark_use): Use is_capture_proxy_with_ref.
235         * constexpr.c (potential_constant_expression_1): Likewise.
236         * semantics.c (process_outer_var_ref): Likewise.
238 2018-02-01  Marek Polacek  <polacek@redhat.com>
240         PR c++/84125
241         * typeck.c (build_address): Relax the assert when
242         processing_template_decl.
244 2018-02-01  Jason Merrill  <jason@redhat.com>
246         PR c++/84126 - ICE with variadic generic lambda
247         PR c++/84036
248         PR c++/82249
249         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
250         PACK_EXPANSION_EXTRA_ARGS.
252 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
254         PR c++/83796
255         * call.c (convert_like_real): If w're initializing from {} explicitly
256         call abstract_virtuals_error_sfinae.
258 2018-01-31  Jason Merrill  <jason@redhat.com>
259             Jakub Jelinek  <jakub@redhat.com>
261         PR c++/83993
262         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
263         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
264         on ADDR_EXPR.
266 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
268         PR c++/83993
269         * constexpr.c (diag_array_subscript): Emit different diagnostics
270         if TYPE_DOMAIN (arraytype) is NULL.
271         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
272         with NULL TYPE_DOMAIN use size_zero_node as nelts.
274 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
276         PR c++/84092
277         * semantics.c (finish_qualified_id_expr): When handling an
278         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
280 2018-01-31  Marek Polacek  <polacek@redhat.com>
282         PR c++/84138
283         * cp-gimplify.c (cp_fold): Check if X is an error node before
284         calling useless_type_conversion_p.
286 2018-01-30  Jason Merrill  <jason@redhat.com>
288         PR c++/84091 - ICE with local class in lambda in template.
289         * decl2.c (determine_visibility): Look for outer containing template
290         instantiation.
292         PR c++/84098 - ICE with lambda in template NSDMI.
293         * pt.c (instantiate_class_template_1): Ignore more lambdas.
295 2018-01-29  Jason Merrill  <jason@redhat.com>
297         PR c++/68810 - wrong location for reinterpret_cast error.
298         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
299         !dofold.
301 2018-01-29  Marek Polacek  <polacek@redhat.com>
303         PR c++/83996
304         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
305         => fooarray[1] in offset_int.
307 2018-01-29  Jason Merrill  <jason@redhat.com>
309         PR c++/83942 - wrong unused warning with static_cast.
310         * cvt.c (ocp_convert): Call mark_rvalue_use.
312 2018-01-26  Jason Merrill  <jason@redhat.com>
314         PR c++/83956 - wrong dtor error with anonymous union
315         * method.c (walk_field_subobs): Variant members only affect
316         deletedness.
317         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
319         PR c++/84036 - ICE with variadic capture.
320         PR c++/82249
321         * pt.c (tsubst_pack_expansion): When optimizing a simple
322         substitution, pull a single pack expansion out of its pack.
324         PR c++/82514 - ICE with local class in generic lambda.
325         * pt.c (regenerated_lambda_fn_p): Remove.
326         (enclosing_instantiation_of): Don't use it.
327         (tsubst_function_decl): Call enclosing_instantiation_of.
329         * pt.c (lookup_template_class_1): Add sanity check.
330         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
332 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
334         PR c++/84031
335         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
336         recursive calls that return ret.
337         (cp_finish_decomp): Ignore unnamed bitfields.
339 2018-01-23  Jason Merrill  <jason@redhat.com>
341         PR c++/82249 - wrong mismatched pack length error.
342         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
343         unsubstituted function parameter pack.
345 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
347         PR c++/83921
348         * decl.c (check_for_uninitialized_const_var): Not static; add
349         bool and tsubst_flags_t parameters; adjust to be used both in
350         constexpr context and not.
351         * constexpr.c (potential_constant_expression_1): Use the above.
352         * cp-tree.h (check_for_uninitialized_const_var): Declare.
354 2018-01-23  Jason Merrill  <jason@redhat.com>
356         PR c++/83947 - ICE with auto declarations.
357         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
358         * decl.c (undeduced_auto_decl): Limit to vars and fns.
360 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
362         PR c++/83974
363         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
364         for pointer to member function types.
366 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
368         PR sanitizer/83987
369         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
370         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
372 2018-01-23  Nathan Sidwell  <nathan@acm.org>
374         PR c++/83988
375         * pt.c (tsubst_baselink): Remove optype assert.
376         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
378 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
380         PR c++/83958
381         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
382         refers to incomplete type.
384 2018-01-23  Nathan Sidwell  <nathan@acm.org>
386         Deprecate ARM-era for scope handling
387         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
388         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
389         cleared.
390         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
391         cleanup handling.
392         * semantics.c (begin_for_scope): Flag_new_for_scope is
393         boolean-like.
394         (finish_for_stmt, begin_range_for_stmt): Likewise.
396 2018-01-22  Jason Merrill  <jason@redhat.com>
398         PR c++/83720
399         * decl2.c (determine_visibility): Fix template_decl handling
400         instead of blocking it.
402         PR c++/83720 - ICE with lambda and LTO.
403         * decl2.c (determine_visibility): Clear template_decl for
404         function-scope decls.  Propagate anonymous linkage from containing
405         function.
407 2018-01-22  Marek Polacek  <polacek@redhat.com>
409         PR c++/81933
410         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
411         split out anything.
413 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
415         PR c++/83895
416         * decl.c (grokdeclarator): Don't diagnose extra parens
417         on typedefs.
419 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
421         PR c++/81167
422         * call.c (joust): Use TREE_TYPE (source) if source is
423         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
425         PR c++/83919
426         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
427         for direct enum init.
428         * decl.c (reshape_init): Likewise.
430 2018-01-19  Marek Polacek  <polacek@redhat.com>
432         * constexpr.c (fold_simple): Simplify.
434 2018-01-18  Jason Merrill  <jason@redhat.com>
436         PR c++/83714
437         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
438         * pt.c (instantiation_dependent_scope_ref_p): True if
439         any_dependent_bases_p.
441 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
443         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
444         vs DECL_NONTRIVIALLY_INITIALIZED_P).
446 2018-01-18  Jason Merrill  <jason@redhat.com>
448         PR c++/82461 - constexpr list-initialized member
449         * constexpr.c (potential_constant_expression_1): Check
450         TARGET_EXPR_DIRECT_INIT_P.
452 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
454         PR c++/81013
455         * decl.c (xref_basetypes): Early return upon error about derived
456         union.
458 2018-01-18  Nathan Sidwell  <nathan@acm.org>
460         PR c++/83160
461         * cp-tree.h (mark_use): Declare.
462         * expr.c (mark_use): Make extern.
463         * call.c (direct_reference_binding): Set inner conv's
464         rvaluedness_matches_p, if it is an identity.
465         (convert_like_real): Mark lvalue or rvalue use for identity as
466         rvaledness_matches_p demands.
468 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
470         PR c++/83824
471         * parser.c (attr_chainon): New function.
472         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
473         cp_parser_namespace_definition, cp_parser_init_declarator,
474         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
475         cp_parser_gnu_attributes_opt): Use it.
476         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
477         cp_parser_objc_struct_declaration): Likewise.  Don't reset
478         prefix_attributes if attributes is error_mark_node.
480 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
482         PR c++/78344
483         * decl.c (grokdeclarator): Do not append the error_mark_node
484         due to an erroneous optional attribute-specifier-seq.
486 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
488         PR c++/83897
489         * cp-gimplify.c (cp_maybe_instrument_return): Handle
490         CLEANUP_POINT_EXPR.
492 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
494         PR c++/81054
495         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
496         error_mark_node when we give an error.
497         * decl.c (cp_finish_decl): Use the latter.
499 2018-01-17  Nathan Sidwell  <nathan@acm.org>
501         PR c++/83287
502         * init.c (build_raw_new_expr): Scan list for lookups to keep.
504 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
506         PR c++/83814
507         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
508         the C++ part.  If processing a template, call
509         fold_non_dependent_expr rather than fully folding.
511 2018-01-17  Jason Merrill  <jason@redhat.com>
513         PR c++/81067 - redundant NULL warning.
514         * call.c (convert_like_real): Restore null_node handling.
516 2018-01-17  Jason Merrill  <jason@redhat.com>
518         PR c++/81843 - ICE with variadic member template.
519         PR c++/72801
520         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
521         template args.
523 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
525         PR c++/83799
526         * pt.c (type_dependent_expression_p): Strip any location wrapper
527         before testing tree codes.
528         (selftest::test_type_dependent_expression_p): New function.
529         (selftest::cp_pt_c_tests): Call it.
531 2018-01-17  Nathan Sidwell  <nathan@acm.org>
533         PR c++/83739
534         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
535         this not a final instantiation.
537 2018-01-16  Jason Merrill  <jason@redhat.com>
539         PR c++/83714 - ICE checking return in template.
540         * typeck.c (check_return_expr): Call build_non_dependent_expr.
542 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
544         PR c++/83817
545         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
546         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
547         instead of CALL_FROM_THUNK_P.
549         PR c++/83825
550         * name-lookup.c (member_vec_dedup): Return early if len is 0.
551         (resort_type_member_vec, set_class_bindings,
552         insert_late_enum_def_bindings): Use vec qsort method instead of
553         calling qsort directly.
555 2018-01-15  Martin Sebor  <msebor@redhat.com>
557         PR c++/83588
558         * class.c (find_flexarrays): Make a record of multiple flexible array
559         members.
561 2018-01-12  Jason Merrill  <jason@redhat.com>
563         PR c++/83186 - ICE with static_cast of list-initialized temporary.
564         * typeck.c (build_static_cast): Use build_non_dependent_expr.
566 2018-01-12  Nathan Sidwell  <nathan@acm.org>
568         * cp-tree.h (mark_rvalue_use): Add parm name.
569         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
570         mark_rvalue_use.
571         * call.c (convert_like_real): Fix formatting.
573 2018-01-11  Jason Merrill  <jason@redhat.com>
575         PR c++/82728 - wrong -Wunused-but-set-variable
576         PR c++/82799
577         PR c++/83690
578         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
579         * decl.c (case_conversion): Likewise.
580         * semantics.c (finish_static_assert): Call
581         perform_implicit_conversion_flags.
583 2018-01-11  Nathan Sidwell  <nathan@acm.org>
585         * method.c (enum mangling_flags): Delete long-dead enum.
587 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
589         * parser.c (cp_parser_std_attribute_spec): When
590         token_pair::require_open / require_close return false simply
591         return error_mark_node, avoid duplicate cp_parser_error about
592         expected '(' / ')', respectively.
594 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
596         PR c++/43486
597         * call.c (null_ptr_cst_p): Strip location wrappers when
598         converting from '0' to a pointer type in C++11 onwards.
599         (conversion_null_warnings): Replace comparison with null_node with
600         call to null_node_p.
601         (build_over_call): Likewise.
602         * cp-gimplify.c (cp_fold): Remove the early bailout when
603         processing_template_decl.
604         * cp-lang.c (selftest::run_cp_tests): Call
605         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
606         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
607         (selftest::run_cp_tests): Move decl to bottom of file.
608         (null_node_p): New inline function.
609         (selftest::cp_pt_c_tests): New decl.
610         (selftest::cp_tree_c_tests): New decl.
611         * cvt.c (build_expr_type_conversion): Replace comparison with
612         null_node with call to null_node_p.
613         * error.c (args_to_string): Likewise.
614         * except.c (build_throw): Likewise.
615         * mangle.c (write_expression): Skip location wrapper nodes.
616         * parser.c (literal_integer_zerop): New function.
617         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
618         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
619         param of cp_parser_parenthesized_expression_list.  When calling
620         warn_for_memset, replace integer_zerop calls with
621         literal_integer_zerop, eliminating the double logical negation
622         cast to bool.  Eliminate the special-casing for CONST_DECL in
623         favor of the fold_for_warn within warn_for_memset.
624         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
625         param, defaulting to false.  Convert "expr" to a cp_expr, and call
626         maybe_add_location_wrapper on it when wrap_locations_p is true.
627         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
628         the result for RID_ALIGNOF and RID_SIZEOF.
629         (cp_parser_builtin_offsetof): Likewise.
630         * pt.c: Include "selftest.h".
631         (tsubst_copy): Handle location wrappers.
632         (tsubst_copy_and_build): Likewise.
633         (build_non_dependent_expr): Likewise.
634         (selftest::test_build_non_dependent_expr): New function.
635         (selftest::cp_pt_c_tests): New function.
636         * tree.c: Include "selftest.h".
637         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
638         (selftest::test_lvalue_kind): New function.
639         (selftest::cp_tree_c_tests): New function.
640         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
641         (cp_build_binary_op): Replace comparison with null_node with call
642         to null_node_p.
643         (build_address): Use location of operand when building address
644         expression.
646 2018-01-10  Marek Polacek  <polacek@redhat.com>
648         PR c++/82541
649         * call.c (build_conditional_expr_1): Check complain before warning.
650         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
651         -Wduplicated-branches.
653 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
655         PR c++/81327
656         * call.c (maybe_warn_class_memaccess): Add forward declaration.
657         Change last argument from tree * to const vec<tree, va_gc> *, adjust
658         args uses and check number of operands too.  Don't strip away any
659         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
660         Deal with src argument not having pointer type.  Check
661         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
662         test.
663         (build_over_call): Call maybe_warn_class_memaccess here on the
664         original arguments.
665         (build_cxx_call): Rather than here on converted arguments.
667 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
669         PR c++/81055
670         * init.c (build_vec_init): Avoid building an INIT_EXPR with
671         error_mark_node as second argument.
673 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
675         PR c++/83734
676         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
677         in STATEMENT_LIST.  Remove unneeded assert.
679 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
680             Alan Hayward  <alan.hayward@arm.com>
681             David Sherwood  <david.sherwood@arm.com>
683         * constexpr.c (cxx_eval_array_reference): Handle polynomial
684         VECTOR_CST_NELTS.
685         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
686         * call.c (build_conditional_expr_1): Likewise.
687         * decl.c (cp_finish_decomp): Likewise.
688         * mangle.c (write_type): Likewise.
689         * typeck.c (structural_comptypes): Likewise.
690         (cp_build_binary_op): Likewise.
691         * typeck2.c (process_init_constructor_array): Likewise.
693 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
695         PR c++/83555
696         * typeck.c (build_static_cast_1): For static casts to reference types,
697         call build_base_path with flag_delete_null_pointer_checks as nonnull
698         instead of always false.  When -fsanitize=null, call
699         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
700         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
701         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
703 2018-01-03  Nathan Sidwell  <nathan@acm.org>
705         PR c++/83667
706         * method.c (make_alias_for): Copy DECL_CONTEXT.
708 2018-01-03  Marek Polacek  <polacek@redhat.com>
710         PR c++/83592
711         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
713 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
715         PR preprocessor/83602
716         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
717         for builtin macros.
719         PR c++/83634
720         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
721         error_mark_node, return error_mark_node.
723         Update copyright years.
725 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
727         PR c++/83556
728         * tree.c (replace_placeholders_r): Pass NULL as last argument to
729         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
730         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
731         to false and return.
732         (replace_placeholders): Pass NULL instead of &pset as last argument
733         to cp_walk_tree.
735 2018-01-02  Nathan Sidwell  <nathan@acm.org>
737         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
738         lval var.
740 Copyright (C) 2018 Free Software Foundation, Inc.
742 Copying and distribution of this file, with or without modification,
743 are permitted in any medium without royalty provided the copyright
744 notice and this notice are preserved.