PR c++/84296 - ICE with qualified-id in template.
[official-gcc.git] / gcc / cp / ChangeLog
blobfa66e1bd36364af197930425d4b3a1b8bf37dd66
1 2018-02-09  Jason Merrill  <jason@redhat.com>
3         PR c++/84296 - ICE with qualified-id in template.
4         PR c++/83714
5         * pt.c (unknown_base_ref_p): New.
6         (instantiation_dependent_scope_ref_p): Use it instead of
7         any_dependent_bases_p.
9 2018-02-09  Marek Polacek  <polacek@redhat.com>
10             Jakub Jelinek  <jakub@redhat.com>
12         PR c++/83659
13         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
14         fold_indirect_ref_1, including poly_*int64.  Verify first that
15         tree_fits_poly_int64_p (op01).  Formatting fixes.
17 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
19         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
20         * lambda.c (build_capture_proxy): Likewise.
21         * search.c (field_access_p): Likewise.
22         * semantics.c (omp_clause_decl, omp_privatize_field,
23         finish_omp_clauses): Likewise.
25 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
27         PR c++/83806
28         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
29         case of nullptr too.
31 2018-02-08  Nathan Sidwell  <nathan@acm.org>
33         * class.c (finish_struct): Fix std:initializer_list diagnostic
34         formatting.
36 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
38         PR c++/83204
39         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
41 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
43         PR c++/84082
44         * parser.c (cp_parser_dot_deref_incomplete): New function.
45         (cp_parser_postfix_dot_deref_expression): Use it.
47 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
49         PR c++/81610
50         PR c++/80567
51         * name-lookup.c (suggest_rid_p): New function.
52         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
53         suggest_rid_p.
55 2018-02-07  Jason Merrill  <jason@redhat.com>
57         PR c++/84182 - ICE with captured lambda
58         PR c++/84181
59         * pt.c (extract_locals_r, extract_local_specs): New.
60         (tsubst_pack_expansion): Use them.
62 2018-02-07  Martin Liska  <mliska@suse.cz>
64         PR c++/84059.
65         * class.c (add_method): Append argument value.
66         * cp-tree.h (maybe_version_functions): Add new argument.
67         * decl.c (decls_match): Call it if a declaration does not
68         have DECL_FUNCTION_VERSIONED.
69         (maybe_version_functions): record argument is added.
71 2018-02-05  Marek Polacek  <polacek@redhat.com>
73         * class.c: Remove unused global variables.
74         (build_primary_vtable): Don't gather statistics.
75         (print_class_statistics): Remove.
76         * cp-tree.h (print_class_statistics): Remove.
77         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
79 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
81         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
82         * constexpr.c (cx_check_missing_mem_inits): Likewise.
83         * decl.c (next_initializable_field, find_decomp_class_base,
84         cp_finish_decomp): Likewise.
85         * typeck2.c (process_init_constructor_record): Likewise.
87 2018-02-02  Jason Merrill  <jason@redhat.com>
89         PR c++/84181 - ICE with lambda parm in template argument.
90         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
92 2018-02-01  Jason Merrill  <jason@redhat.com>
94         PR c++/84160 - ICE with nested variadic capture.
95         * lambda.c (is_capture_proxy_with_ref): New.
96         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
97         COMPONENT_REF.
98         * expr.c (mark_use): Use is_capture_proxy_with_ref.
99         * constexpr.c (potential_constant_expression_1): Likewise.
100         * semantics.c (process_outer_var_ref): Likewise.
102 2018-02-01  Marek Polacek  <polacek@redhat.com>
104         PR c++/84125
105         * typeck.c (build_address): Relax the assert when
106         processing_template_decl.
108 2018-02-01  Jason Merrill  <jason@redhat.com>
110         PR c++/84126 - ICE with variadic generic lambda
111         PR c++/84036
112         PR c++/82249
113         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
114         PACK_EXPANSION_EXTRA_ARGS.
116 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
118         PR c++/83796
119         * call.c (convert_like_real): If w're initializing from {} explicitly
120         call abstract_virtuals_error_sfinae.
122 2018-01-31  Jason Merrill  <jason@redhat.com>
123             Jakub Jelinek  <jakub@redhat.com>
125         PR c++/83993
126         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
127         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
128         on ADDR_EXPR.
130 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
132         PR c++/83993
133         * constexpr.c (diag_array_subscript): Emit different diagnostics
134         if TYPE_DOMAIN (arraytype) is NULL.
135         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
136         with NULL TYPE_DOMAIN use size_zero_node as nelts.
138 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
140         PR c++/84092
141         * semantics.c (finish_qualified_id_expr): When handling an
142         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
144 2018-01-31  Marek Polacek  <polacek@redhat.com>
146         PR c++/84138
147         * cp-gimplify.c (cp_fold): Check if X is an error node before
148         calling useless_type_conversion_p.
150 2018-01-30  Jason Merrill  <jason@redhat.com>
152         PR c++/84091 - ICE with local class in lambda in template.
153         * decl2.c (determine_visibility): Look for outer containing template
154         instantiation.
156         PR c++/84098 - ICE with lambda in template NSDMI.
157         * pt.c (instantiate_class_template_1): Ignore more lambdas.
159 2018-01-29  Jason Merrill  <jason@redhat.com>
161         PR c++/68810 - wrong location for reinterpret_cast error.
162         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
163         !dofold.
165 2018-01-29  Marek Polacek  <polacek@redhat.com>
167         PR c++/83996
168         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
169         => fooarray[1] in offset_int.
171 2018-01-29  Jason Merrill  <jason@redhat.com>
173         PR c++/83942 - wrong unused warning with static_cast.
174         * cvt.c (ocp_convert): Call mark_rvalue_use.
176 2018-01-26  Jason Merrill  <jason@redhat.com>
178         PR c++/83956 - wrong dtor error with anonymous union
179         * method.c (walk_field_subobs): Variant members only affect
180         deletedness.
181         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
183         PR c++/84036 - ICE with variadic capture.
184         PR c++/82249
185         * pt.c (tsubst_pack_expansion): When optimizing a simple
186         substitution, pull a single pack expansion out of its pack.
188         PR c++/82514 - ICE with local class in generic lambda.
189         * pt.c (regenerated_lambda_fn_p): Remove.
190         (enclosing_instantiation_of): Don't use it.
191         (tsubst_function_decl): Call enclosing_instantiation_of.
193         * pt.c (lookup_template_class_1): Add sanity check.
194         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
196 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
198         PR c++/84031
199         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
200         recursive calls that return ret.
201         (cp_finish_decomp): Ignore unnamed bitfields.
203 2018-01-23  Jason Merrill  <jason@redhat.com>
205         PR c++/82249 - wrong mismatched pack length error.
206         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
207         unsubstituted function parameter pack.
209 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
211         PR c++/83921
212         * decl.c (check_for_uninitialized_const_var): Not static; add
213         bool and tsubst_flags_t parameters; adjust to be used both in
214         constexpr context and not.
215         * constexpr.c (potential_constant_expression_1): Use the above.
216         * cp-tree.h (check_for_uninitialized_const_var): Declare.
218 2018-01-23  Jason Merrill  <jason@redhat.com>
220         PR c++/83947 - ICE with auto declarations.
221         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
222         * decl.c (undeduced_auto_decl): Limit to vars and fns.
224 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
226         PR c++/83974
227         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
228         for pointer to member function types.
230 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
232         PR sanitizer/83987
233         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
234         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
236 2018-01-23  Nathan Sidwell  <nathan@acm.org>
238         PR c++/83988
239         * pt.c (tsubst_baselink): Remove optype assert.
240         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
242 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
244         PR c++/83958
245         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
246         refers to incomplete type.
248 2018-01-23  Nathan Sidwell  <nathan@acm.org>
250         Deprecate ARM-era for scope handling
251         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
252         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
253         cleared.
254         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
255         cleanup handling.
256         * semantics.c (begin_for_scope): Flag_new_for_scope is
257         boolean-like.
258         (finish_for_stmt, begin_range_for_stmt): Likewise.
260 2018-01-22  Jason Merrill  <jason@redhat.com>
262         PR c++/83720
263         * decl2.c (determine_visibility): Fix template_decl handling
264         instead of blocking it.
266         PR c++/83720 - ICE with lambda and LTO.
267         * decl2.c (determine_visibility): Clear template_decl for
268         function-scope decls.  Propagate anonymous linkage from containing
269         function.
271 2018-01-22  Marek Polacek  <polacek@redhat.com>
273         PR c++/81933
274         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
275         split out anything.
277 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
279         PR c++/83895
280         * decl.c (grokdeclarator): Don't diagnose extra parens
281         on typedefs.
283 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
285         PR c++/81167
286         * call.c (joust): Use TREE_TYPE (source) if source is
287         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
289         PR c++/83919
290         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
291         for direct enum init.
292         * decl.c (reshape_init): Likewise.
294 2018-01-19  Marek Polacek  <polacek@redhat.com>
296         * constexpr.c (fold_simple): Simplify.
298 2018-01-18  Jason Merrill  <jason@redhat.com>
300         PR c++/83714
301         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
302         * pt.c (instantiation_dependent_scope_ref_p): True if
303         any_dependent_bases_p.
305 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
307         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
308         vs DECL_NONTRIVIALLY_INITIALIZED_P).
310 2018-01-18  Jason Merrill  <jason@redhat.com>
312         PR c++/82461 - constexpr list-initialized member
313         * constexpr.c (potential_constant_expression_1): Check
314         TARGET_EXPR_DIRECT_INIT_P.
316 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
318         PR c++/81013
319         * decl.c (xref_basetypes): Early return upon error about derived
320         union.
322 2018-01-18  Nathan Sidwell  <nathan@acm.org>
324         PR c++/83160
325         * cp-tree.h (mark_use): Declare.
326         * expr.c (mark_use): Make extern.
327         * call.c (direct_reference_binding): Set inner conv's
328         rvaluedness_matches_p, if it is an identity.
329         (convert_like_real): Mark lvalue or rvalue use for identity as
330         rvaledness_matches_p demands.
332 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
334         PR c++/83824
335         * parser.c (attr_chainon): New function.
336         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
337         cp_parser_namespace_definition, cp_parser_init_declarator,
338         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
339         cp_parser_gnu_attributes_opt): Use it.
340         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
341         cp_parser_objc_struct_declaration): Likewise.  Don't reset
342         prefix_attributes if attributes is error_mark_node.
344 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
346         PR c++/78344
347         * decl.c (grokdeclarator): Do not append the error_mark_node
348         due to an erroneous optional attribute-specifier-seq.
350 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
352         PR c++/83897
353         * cp-gimplify.c (cp_maybe_instrument_return): Handle
354         CLEANUP_POINT_EXPR.
356 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
358         PR c++/81054
359         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
360         error_mark_node when we give an error.
361         * decl.c (cp_finish_decl): Use the latter.
363 2018-01-17  Nathan Sidwell  <nathan@acm.org>
365         PR c++/83287
366         * init.c (build_raw_new_expr): Scan list for lookups to keep.
368 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
370         PR c++/83814
371         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
372         the C++ part.  If processing a template, call
373         fold_non_dependent_expr rather than fully folding.
375 2018-01-17  Jason Merrill  <jason@redhat.com>
377         PR c++/81067 - redundant NULL warning.
378         * call.c (convert_like_real): Restore null_node handling.
380 2018-01-17  Jason Merrill  <jason@redhat.com>
382         PR c++/81843 - ICE with variadic member template.
383         PR c++/72801
384         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
385         template args.
387 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
389         PR c++/83799
390         * pt.c (type_dependent_expression_p): Strip any location wrapper
391         before testing tree codes.
392         (selftest::test_type_dependent_expression_p): New function.
393         (selftest::cp_pt_c_tests): Call it.
395 2018-01-17  Nathan Sidwell  <nathan@acm.org>
397         PR c++/83739
398         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
399         this not a final instantiation.
401 2018-01-16  Jason Merrill  <jason@redhat.com>
403         PR c++/83714 - ICE checking return in template.
404         * typeck.c (check_return_expr): Call build_non_dependent_expr.
406 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
408         PR c++/83817
409         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
410         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
411         instead of CALL_FROM_THUNK_P.
413         PR c++/83825
414         * name-lookup.c (member_vec_dedup): Return early if len is 0.
415         (resort_type_member_vec, set_class_bindings,
416         insert_late_enum_def_bindings): Use vec qsort method instead of
417         calling qsort directly.
419 2018-01-15  Martin Sebor  <msebor@redhat.com>
421         PR c++/83588
422         * class.c (find_flexarrays): Make a record of multiple flexible array
423         members.
425 2018-01-12  Jason Merrill  <jason@redhat.com>
427         PR c++/83186 - ICE with static_cast of list-initialized temporary.
428         * typeck.c (build_static_cast): Use build_non_dependent_expr.
430 2018-01-12  Nathan Sidwell  <nathan@acm.org>
432         * cp-tree.h (mark_rvalue_use): Add parm name.
433         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
434         mark_rvalue_use.
435         * call.c (convert_like_real): Fix formatting.
437 2018-01-11  Jason Merrill  <jason@redhat.com>
439         PR c++/82728 - wrong -Wunused-but-set-variable
440         PR c++/82799
441         PR c++/83690
442         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
443         * decl.c (case_conversion): Likewise.
444         * semantics.c (finish_static_assert): Call
445         perform_implicit_conversion_flags.
447 2018-01-11  Nathan Sidwell  <nathan@acm.org>
449         * method.c (enum mangling_flags): Delete long-dead enum.
451 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
453         * parser.c (cp_parser_std_attribute_spec): When
454         token_pair::require_open / require_close return false simply
455         return error_mark_node, avoid duplicate cp_parser_error about
456         expected '(' / ')', respectively.
458 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
460         PR c++/43486
461         * call.c (null_ptr_cst_p): Strip location wrappers when
462         converting from '0' to a pointer type in C++11 onwards.
463         (conversion_null_warnings): Replace comparison with null_node with
464         call to null_node_p.
465         (build_over_call): Likewise.
466         * cp-gimplify.c (cp_fold): Remove the early bailout when
467         processing_template_decl.
468         * cp-lang.c (selftest::run_cp_tests): Call
469         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
470         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
471         (selftest::run_cp_tests): Move decl to bottom of file.
472         (null_node_p): New inline function.
473         (selftest::cp_pt_c_tests): New decl.
474         (selftest::cp_tree_c_tests): New decl.
475         * cvt.c (build_expr_type_conversion): Replace comparison with
476         null_node with call to null_node_p.
477         * error.c (args_to_string): Likewise.
478         * except.c (build_throw): Likewise.
479         * mangle.c (write_expression): Skip location wrapper nodes.
480         * parser.c (literal_integer_zerop): New function.
481         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
482         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
483         param of cp_parser_parenthesized_expression_list.  When calling
484         warn_for_memset, replace integer_zerop calls with
485         literal_integer_zerop, eliminating the double logical negation
486         cast to bool.  Eliminate the special-casing for CONST_DECL in
487         favor of the fold_for_warn within warn_for_memset.
488         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
489         param, defaulting to false.  Convert "expr" to a cp_expr, and call
490         maybe_add_location_wrapper on it when wrap_locations_p is true.
491         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
492         the result for RID_ALIGNOF and RID_SIZEOF.
493         (cp_parser_builtin_offsetof): Likewise.
494         * pt.c: Include "selftest.h".
495         (tsubst_copy): Handle location wrappers.
496         (tsubst_copy_and_build): Likewise.
497         (build_non_dependent_expr): Likewise.
498         (selftest::test_build_non_dependent_expr): New function.
499         (selftest::cp_pt_c_tests): New function.
500         * tree.c: Include "selftest.h".
501         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
502         (selftest::test_lvalue_kind): New function.
503         (selftest::cp_tree_c_tests): New function.
504         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
505         (cp_build_binary_op): Replace comparison with null_node with call
506         to null_node_p.
507         (build_address): Use location of operand when building address
508         expression.
510 2018-01-10  Marek Polacek  <polacek@redhat.com>
512         PR c++/82541
513         * call.c (build_conditional_expr_1): Check complain before warning.
514         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
515         -Wduplicated-branches.
517 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
519         PR c++/81327
520         * call.c (maybe_warn_class_memaccess): Add forward declaration.
521         Change last argument from tree * to const vec<tree, va_gc> *, adjust
522         args uses and check number of operands too.  Don't strip away any
523         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
524         Deal with src argument not having pointer type.  Check
525         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
526         test.
527         (build_over_call): Call maybe_warn_class_memaccess here on the
528         original arguments.
529         (build_cxx_call): Rather than here on converted arguments.
531 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
533         PR c++/81055
534         * init.c (build_vec_init): Avoid building an INIT_EXPR with
535         error_mark_node as second argument.
537 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
539         PR c++/83734
540         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
541         in STATEMENT_LIST.  Remove unneeded assert.
543 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
544             Alan Hayward  <alan.hayward@arm.com>
545             David Sherwood  <david.sherwood@arm.com>
547         * constexpr.c (cxx_eval_array_reference): Handle polynomial
548         VECTOR_CST_NELTS.
549         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
550         * call.c (build_conditional_expr_1): Likewise.
551         * decl.c (cp_finish_decomp): Likewise.
552         * mangle.c (write_type): Likewise.
553         * typeck.c (structural_comptypes): Likewise.
554         (cp_build_binary_op): Likewise.
555         * typeck2.c (process_init_constructor_array): Likewise.
557 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
559         PR c++/83555
560         * typeck.c (build_static_cast_1): For static casts to reference types,
561         call build_base_path with flag_delete_null_pointer_checks as nonnull
562         instead of always false.  When -fsanitize=null, call
563         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
564         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
565         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
567 2018-01-03  Nathan Sidwell  <nathan@acm.org>
569         PR c++/83667
570         * method.c (make_alias_for): Copy DECL_CONTEXT.
572 2018-01-03  Marek Polacek  <polacek@redhat.com>
574         PR c++/83592
575         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
577 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
579         PR preprocessor/83602
580         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
581         for builtin macros.
583         PR c++/83634
584         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
585         error_mark_node, return error_mark_node.
587         Update copyright years.
589 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
591         PR c++/83556
592         * tree.c (replace_placeholders_r): Pass NULL as last argument to
593         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
594         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
595         to false and return.
596         (replace_placeholders): Pass NULL instead of &pset as last argument
597         to cp_walk_tree.
599 2018-01-02  Nathan Sidwell  <nathan@acm.org>
601         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
602         lval var.
604 Copyright (C) 2018 Free Software Foundation, Inc.
606 Copying and distribution of this file, with or without modification,
607 are permitted in any medium without royalty provided the copyright
608 notice and this notice are preserved.