PR c++/83720 - different fix
[official-gcc.git] / gcc / cp / ChangeLog
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1 2018-01-22  Jason Merrill  <jason@redhat.com>
3         PR c++/83720
4         * decl2.c (determine_visibility): Fix template_decl handling
5         instead of blocking it.
7         PR c++/83720 - ICE with lambda and LTO.
8         * decl2.c (determine_visibility): Clear template_decl for
9         function-scope decls.  Propagate anonymous linkage from containing
10         function.
12 2018-01-22  Marek Polacek  <polacek@redhat.com>
14         PR c++/81933
15         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
16         split out anything.
18 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
20         PR c++/83895
21         * decl.c (grokdeclarator): Don't diagnose extra parens
22         on typedefs.
24 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
26         PR c++/81167
27         * call.c (joust): Use TREE_TYPE (source) if source is
28         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
30         PR c++/83919
31         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
32         for direct enum init.
33         * decl.c (reshape_init): Likewise.
35 2018-01-19  Marek Polacek  <polacek@redhat.com>
37         * constexpr.c (fold_simple): Simplify.
39 2018-01-18  Jason Merrill  <jason@redhat.com>
41         PR c++/83714
42         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
43         * pt.c (instantiation_dependent_scope_ref_p): True if
44         any_dependent_bases_p.
46 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
48         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
49         vs DECL_NONTRIVIALLY_INITIALIZED_P).
51 2018-01-18  Jason Merrill  <jason@redhat.com>
53         PR c++/82461 - constexpr list-initialized member
54         * constexpr.c (potential_constant_expression_1): Check
55         TARGET_EXPR_DIRECT_INIT_P.
57 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
59         PR c++/81013
60         * decl.c (xref_basetypes): Early return upon error about derived
61         union.
63 2018-01-18  Nathan Sidwell  <nathan@acm.org>
65         PR c++/83160
66         * cp-tree.h (mark_use): Declare.
67         * expr.c (mark_use): Make extern.
68         * call.c (direct_reference_binding): Set inner conv's
69         rvaluedness_matches_p, if it is an identity.
70         (convert_like_real): Mark lvalue or rvalue use for identity as
71         rvaledness_matches_p demands.
73 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
75         PR c++/83824
76         * parser.c (attr_chainon): New function.
77         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
78         cp_parser_namespace_definition, cp_parser_init_declarator,
79         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
80         cp_parser_gnu_attributes_opt): Use it.
81         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
82         cp_parser_objc_struct_declaration): Likewise.  Don't reset
83         prefix_attributes if attributes is error_mark_node.
85 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
87         PR c++/78344
88         * decl.c (grokdeclarator): Do not append the error_mark_node
89         due to an erroneous optional attribute-specifier-seq.
91 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
93         PR c++/83897
94         * cp-gimplify.c (cp_maybe_instrument_return): Handle
95         CLEANUP_POINT_EXPR.
97 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
99         PR c++/81054
100         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
101         error_mark_node when we give an error.
102         * decl.c (cp_finish_decl): Use the latter.
104 2018-01-17  Nathan Sidwell  <nathan@acm.org>
106         PR c++/83287
107         * init.c (build_raw_new_expr): Scan list for lookups to keep.
109 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
111         PR c++/83814
112         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
113         the C++ part.  If processing a template, call
114         fold_non_dependent_expr rather than fully folding.
116 2018-01-17  Jason Merrill  <jason@redhat.com>
118         PR c++/81067 - redundant NULL warning.
119         * call.c (convert_like_real): Restore null_node handling.
121 2018-01-17  Jason Merrill  <jason@redhat.com>
123         PR c++/81843 - ICE with variadic member template.
124         PR c++/72801
125         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
126         template args.
128 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
130         PR c++/83799
131         * pt.c (type_dependent_expression_p): Strip any location wrapper
132         before testing tree codes.
133         (selftest::test_type_dependent_expression_p): New function.
134         (selftest::cp_pt_c_tests): Call it.
136 2018-01-17  Nathan Sidwell  <nathan@acm.org>
138         PR c++/83739
139         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
140         this not a final instantiation.
142 2018-01-16  Jason Merrill  <jason@redhat.com>
144         PR c++/83714 - ICE checking return in template.
145         * typeck.c (check_return_expr): Call build_non_dependent_expr.
147 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
149         PR c++/83817
150         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
151         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
152         instead of CALL_FROM_THUNK_P.
154         PR c++/83825
155         * name-lookup.c (member_vec_dedup): Return early if len is 0.
156         (resort_type_member_vec, set_class_bindings,
157         insert_late_enum_def_bindings): Use vec qsort method instead of
158         calling qsort directly.
160 2018-01-15  Martin Sebor  <msebor@redhat.com>
162         PR c++/83588
163         * class.c (find_flexarrays): Make a record of multiple flexible array
164         members.
166 2018-01-12  Jason Merrill  <jason@redhat.com>
168         PR c++/83186 - ICE with static_cast of list-initialized temporary.
169         * typeck.c (build_static_cast): Use build_non_dependent_expr.
171 2018-01-12  Nathan Sidwell  <nathan@acm.org>
173         * cp-tree.h (mark_rvalue_use): Add parm name.
174         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
175         mark_rvalue_use.
176         * call.c (convert_like_real): Fix formatting.
178 2018-01-11  Jason Merrill  <jason@redhat.com>
180         PR c++/82728 - wrong -Wunused-but-set-variable
181         PR c++/82799
182         PR c++/83690
183         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
184         * decl.c (case_conversion): Likewise.
185         * semantics.c (finish_static_assert): Call
186         perform_implicit_conversion_flags.
188 2018-01-11  Nathan Sidwell  <nathan@acm.org>
190         * method.c (enum mangling_flags): Delete long-dead enum.
192 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
194         * parser.c (cp_parser_std_attribute_spec): When
195         token_pair::require_open / require_close return false simply
196         return error_mark_node, avoid duplicate cp_parser_error about
197         expected '(' / ')', respectively.
199 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
201         PR c++/43486
202         * call.c (null_ptr_cst_p): Strip location wrappers when
203         converting from '0' to a pointer type in C++11 onwards.
204         (conversion_null_warnings): Replace comparison with null_node with
205         call to null_node_p.
206         (build_over_call): Likewise.
207         * cp-gimplify.c (cp_fold): Remove the early bailout when
208         processing_template_decl.
209         * cp-lang.c (selftest::run_cp_tests): Call
210         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
211         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
212         (selftest::run_cp_tests): Move decl to bottom of file.
213         (null_node_p): New inline function.
214         (selftest::cp_pt_c_tests): New decl.
215         (selftest::cp_tree_c_tests): New decl.
216         * cvt.c (build_expr_type_conversion): Replace comparison with
217         null_node with call to null_node_p.
218         * error.c (args_to_string): Likewise.
219         * except.c (build_throw): Likewise.
220         * mangle.c (write_expression): Skip location wrapper nodes.
221         * parser.c (literal_integer_zerop): New function.
222         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
223         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
224         param of cp_parser_parenthesized_expression_list.  When calling
225         warn_for_memset, replace integer_zerop calls with
226         literal_integer_zerop, eliminating the double logical negation
227         cast to bool.  Eliminate the special-casing for CONST_DECL in
228         favor of the fold_for_warn within warn_for_memset.
229         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
230         param, defaulting to false.  Convert "expr" to a cp_expr, and call
231         maybe_add_location_wrapper on it when wrap_locations_p is true.
232         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
233         the result for RID_ALIGNOF and RID_SIZEOF.
234         (cp_parser_builtin_offsetof): Likewise.
235         * pt.c: Include "selftest.h".
236         (tsubst_copy): Handle location wrappers.
237         (tsubst_copy_and_build): Likewise.
238         (build_non_dependent_expr): Likewise.
239         (selftest::test_build_non_dependent_expr): New function.
240         (selftest::cp_pt_c_tests): New function.
241         * tree.c: Include "selftest.h".
242         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
243         (selftest::test_lvalue_kind): New function.
244         (selftest::cp_tree_c_tests): New function.
245         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
246         (cp_build_binary_op): Replace comparison with null_node with call
247         to null_node_p.
248         (build_address): Use location of operand when building address
249         expression.
251 2018-01-10  Marek Polacek  <polacek@redhat.com>
253         PR c++/82541
254         * call.c (build_conditional_expr_1): Check complain before warning.
255         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
256         -Wduplicated-branches.
258 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
260         PR c++/81327
261         * call.c (maybe_warn_class_memaccess): Add forward declaration.
262         Change last argument from tree * to const vec<tree, va_gc> *, adjust
263         args uses and check number of operands too.  Don't strip away any
264         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
265         Deal with src argument not having pointer type.  Check
266         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
267         test.
268         (build_over_call): Call maybe_warn_class_memaccess here on the
269         original arguments.
270         (build_cxx_call): Rather than here on converted arguments.
272 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
274         PR c++/81055
275         * init.c (build_vec_init): Avoid building an INIT_EXPR with
276         error_mark_node as second argument.
278 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
280         PR c++/83734
281         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
282         in STATEMENT_LIST.  Remove unneeded assert.
284 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
285             Alan Hayward  <alan.hayward@arm.com>
286             David Sherwood  <david.sherwood@arm.com>
288         * constexpr.c (cxx_eval_array_reference): Handle polynomial
289         VECTOR_CST_NELTS.
290         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
291         * call.c (build_conditional_expr_1): Likewise.
292         * decl.c (cp_finish_decomp): Likewise.
293         * mangle.c (write_type): Likewise.
294         * typeck.c (structural_comptypes): Likewise.
295         (cp_build_binary_op): Likewise.
296         * typeck2.c (process_init_constructor_array): Likewise.
298 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
300         PR c++/83555
301         * typeck.c (build_static_cast_1): For static casts to reference types,
302         call build_base_path with flag_delete_null_pointer_checks as nonnull
303         instead of always false.  When -fsanitize=null, call
304         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
305         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
306         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
308 2018-01-03  Nathan Sidwell  <nathan@acm.org>
310         PR c++/83667
311         * method.c (make_alias_for): Copy DECL_CONTEXT.
313 2018-01-03  Marek Polacek  <polacek@redhat.com>
315         PR c++/83592
316         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
318 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
320         PR preprocessor/83602
321         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
322         for builtin macros.
324         PR c++/83634
325         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
326         error_mark_node, return error_mark_node.
328         Update copyright years.
330 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
332         PR c++/83556
333         * tree.c (replace_placeholders_r): Pass NULL as last argument to
334         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
335         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
336         to false and return.
337         (replace_placeholders): Pass NULL instead of &pset as last argument
338         to cp_walk_tree.
340 2018-01-02  Nathan Sidwell  <nathan@acm.org>
342         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
343         lval var.
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