PR c++/83720 - different fix
[gcc.git] / gcc / cp / ChangeLog
1 2018-01-22 Jason Merrill <jason@redhat.com>
2
3 PR c++/83720
4 * decl2.c (determine_visibility): Fix template_decl handling
5 instead of blocking it.
6
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.
11
12 2018-01-22 Marek Polacek <polacek@redhat.com>
13
14 PR c++/81933
15 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
16 split out anything.
17
18 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
19
20 PR c++/83895
21 * decl.c (grokdeclarator): Don't diagnose extra parens
22 on typedefs.
23
24 2018-01-19 Jakub Jelinek <jakub@redhat.com>
25
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).
29
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.
34
35 2018-01-19 Marek Polacek <polacek@redhat.com>
36
37 * constexpr.c (fold_simple): Simplify.
38
39 2018-01-18 Jason Merrill <jason@redhat.com>
40
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.
45
46 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
47
48 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
49 vs DECL_NONTRIVIALLY_INITIALIZED_P).
50
51 2018-01-18 Jason Merrill <jason@redhat.com>
52
53 PR c++/82461 - constexpr list-initialized member
54 * constexpr.c (potential_constant_expression_1): Check
55 TARGET_EXPR_DIRECT_INIT_P.
56
57 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
58
59 PR c++/81013
60 * decl.c (xref_basetypes): Early return upon error about derived
61 union.
62
63 2018-01-18 Nathan Sidwell <nathan@acm.org>
64
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.
72
73 2018-01-18 Jakub Jelinek <jakub@redhat.com>
74
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.
84
85 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
86
87 PR c++/78344
88 * decl.c (grokdeclarator): Do not append the error_mark_node
89 due to an erroneous optional attribute-specifier-seq.
90
91 2018-01-17 Jakub Jelinek <jakub@redhat.com>
92
93 PR c++/83897
94 * cp-gimplify.c (cp_maybe_instrument_return): Handle
95 CLEANUP_POINT_EXPR.
96
97 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
98
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.
103
104 2018-01-17 Nathan Sidwell <nathan@acm.org>
105
106 PR c++/83287
107 * init.c (build_raw_new_expr): Scan list for lookups to keep.
108
109 2018-01-17 David Malcolm <dmalcolm@redhat.com>
110
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.
115
116 2018-01-17 Jason Merrill <jason@redhat.com>
117
118 PR c++/81067 - redundant NULL warning.
119 * call.c (convert_like_real): Restore null_node handling.
120
121 2018-01-17 Jason Merrill <jason@redhat.com>
122
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.
127
128 2018-01-17 David Malcolm <dmalcolm@redhat.com>
129
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.
135
136 2018-01-17 Nathan Sidwell <nathan@acm.org>
137
138 PR c++/83739
139 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
140 this not a final instantiation.
141
142 2018-01-16 Jason Merrill <jason@redhat.com>
143
144 PR c++/83714 - ICE checking return in template.
145 * typeck.c (check_return_expr): Call build_non_dependent_expr.
146
147 2018-01-16 Jakub Jelinek <jakub@redhat.com>
148
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.
153
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.
159
160 2018-01-15 Martin Sebor <msebor@redhat.com>
161
162 PR c++/83588
163 * class.c (find_flexarrays): Make a record of multiple flexible array
164 members.
165
166 2018-01-12 Jason Merrill <jason@redhat.com>
167
168 PR c++/83186 - ICE with static_cast of list-initialized temporary.
169 * typeck.c (build_static_cast): Use build_non_dependent_expr.
170
171 2018-01-12 Nathan Sidwell <nathan@acm.org>
172
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.
177
178 2018-01-11 Jason Merrill <jason@redhat.com>
179
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.
187
188 2018-01-11 Nathan Sidwell <nathan@acm.org>
189
190 * method.c (enum mangling_flags): Delete long-dead enum.
191
192 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
193
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.
198
199 2018-01-10 David Malcolm <dmalcolm@redhat.com>
200
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.
250
251 2018-01-10 Marek Polacek <polacek@redhat.com>
252
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.
257
258 2018-01-10 Jakub Jelinek <jakub@redhat.com>
259
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.
271
272 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
273
274 PR c++/81055
275 * init.c (build_vec_init): Avoid building an INIT_EXPR with
276 error_mark_node as second argument.
277
278 2018-01-09 Jakub Jelinek <jakub@redhat.com>
279
280 PR c++/83734
281 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
282 in STATEMENT_LIST. Remove unneeded assert.
283
284 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
285 Alan Hayward <alan.hayward@arm.com>
286 David Sherwood <david.sherwood@arm.com>
287
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.
297
298 2018-01-03 Jakub Jelinek <jakub@redhat.com>
299
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.
307
308 2018-01-03 Nathan Sidwell <nathan@acm.org>
309
310 PR c++/83667
311 * method.c (make_alias_for): Copy DECL_CONTEXT.
312
313 2018-01-03 Marek Polacek <polacek@redhat.com>
314
315 PR c++/83592
316 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
317
318 2018-01-03 Jakub Jelinek <jakub@redhat.com>
319
320 PR preprocessor/83602
321 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
322 for builtin macros.
323
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.
327
328 Update copyright years.
329
330 2018-01-02 Jakub Jelinek <jakub@redhat.com>
331
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.
339
340 2018-01-02 Nathan Sidwell <nathan@acm.org>
341
342 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
343 lval var.
344 \f
345 Copyright (C) 2018 Free Software Foundation, Inc.
346
347 Copying and distribution of this file, with or without modification,
348 are permitted in any medium without royalty provided the copyright
349 notice and this notice are preserved.