/cp
[official-gcc.git] / gcc / cp / ChangeLog
blob17b41921db93e66e6fb050ea4fdf99dc16b02f51
1 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
3         PR c++/81054
4         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
5         error_mark_node when we give an error.
6         * decl.c (cp_finish_decl): Use the latter.
8 2018-01-17  Nathan Sidwell  <nathan@acm.org>
10         PR c++/83287
11         * init.c (build_raw_new_expr): Scan list for lookups to keep.
13 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
15         PR c++/83814
16         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
17         the C++ part.  If processing a template, call
18         fold_non_dependent_expr rather than fully folding.
20 2018-01-17  Jason Merrill  <jason@redhat.com>
22         PR c++/81067 - redundant NULL warning.
23         * call.c (convert_like_real): Restore null_node handling.
25 2018-01-17  Jason Merrill  <jason@redhat.com>
27         PR c++/81843 - ICE with variadic member template.
28         PR c++/72801
29         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
30         template args.
32 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
34         PR c++/83799
35         * pt.c (type_dependent_expression_p): Strip any location wrapper
36         before testing tree codes.
37         (selftest::test_type_dependent_expression_p): New function.
38         (selftest::cp_pt_c_tests): Call it.
40 2018-01-17  Nathan Sidwell  <nathan@acm.org>
42         PR c++/83739
43         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
44         this not a final instantiation.
46 2018-01-16  Jason Merrill  <jason@redhat.com>
48         PR c++/83714 - ICE checking return in template.
49         * typeck.c (check_return_expr): Call build_non_dependent_expr.
51 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
53         PR c++/83817
54         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
55         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
56         instead of CALL_FROM_THUNK_P.
58         PR c++/83825
59         * name-lookup.c (member_vec_dedup): Return early if len is 0.
60         (resort_type_member_vec, set_class_bindings,
61         insert_late_enum_def_bindings): Use vec qsort method instead of
62         calling qsort directly.
64 2018-01-15  Martin Sebor  <msebor@redhat.com>
66         PR c++/83588
67         * class.c (find_flexarrays): Make a record of multiple flexible array
68         members.
70 2018-01-12  Jason Merrill  <jason@redhat.com>
72         PR c++/83186 - ICE with static_cast of list-initialized temporary.
73         * typeck.c (build_static_cast): Use build_non_dependent_expr.
75 2018-01-12  Nathan Sidwell  <nathan@acm.org>
77         * cp-tree.h (mark_rvalue_use): Add parm name.
78         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
79         mark_rvalue_use.
80         * call.c (convert_like_real): Fix formatting.
82 2018-01-11  Jason Merrill  <jason@redhat.com>
84         PR c++/82728 - wrong -Wunused-but-set-variable
85         PR c++/82799
86         PR c++/83690
87         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
88         * decl.c (case_conversion): Likewise.
89         * semantics.c (finish_static_assert): Call
90         perform_implicit_conversion_flags.
92 2018-01-11  Nathan Sidwell  <nathan@acm.org>
94         * method.c (enum mangling_flags): Delete long-dead enum.
96 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
98         * parser.c (cp_parser_std_attribute_spec): When
99         token_pair::require_open / require_close return false simply
100         return error_mark_node, avoid duplicate cp_parser_error about
101         expected '(' / ')', respectively.
103 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
105         PR c++/43486
106         * call.c (null_ptr_cst_p): Strip location wrappers when
107         converting from '0' to a pointer type in C++11 onwards.
108         (conversion_null_warnings): Replace comparison with null_node with
109         call to null_node_p.
110         (build_over_call): Likewise.
111         * cp-gimplify.c (cp_fold): Remove the early bailout when
112         processing_template_decl.
113         * cp-lang.c (selftest::run_cp_tests): Call
114         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
115         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
116         (selftest::run_cp_tests): Move decl to bottom of file.
117         (null_node_p): New inline function.
118         (selftest::cp_pt_c_tests): New decl.
119         (selftest::cp_tree_c_tests): New decl.
120         * cvt.c (build_expr_type_conversion): Replace comparison with
121         null_node with call to null_node_p.
122         * error.c (args_to_string): Likewise.
123         * except.c (build_throw): Likewise.
124         * mangle.c (write_expression): Skip location wrapper nodes.
125         * parser.c (literal_integer_zerop): New function.
126         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
127         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
128         param of cp_parser_parenthesized_expression_list.  When calling
129         warn_for_memset, replace integer_zerop calls with
130         literal_integer_zerop, eliminating the double logical negation
131         cast to bool.  Eliminate the special-casing for CONST_DECL in
132         favor of the fold_for_warn within warn_for_memset.
133         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
134         param, defaulting to false.  Convert "expr" to a cp_expr, and call
135         maybe_add_location_wrapper on it when wrap_locations_p is true.
136         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
137         the result for RID_ALIGNOF and RID_SIZEOF.
138         (cp_parser_builtin_offsetof): Likewise.
139         * pt.c: Include "selftest.h".
140         (tsubst_copy): Handle location wrappers.
141         (tsubst_copy_and_build): Likewise.
142         (build_non_dependent_expr): Likewise.
143         (selftest::test_build_non_dependent_expr): New function.
144         (selftest::cp_pt_c_tests): New function.
145         * tree.c: Include "selftest.h".
146         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
147         (selftest::test_lvalue_kind): New function.
148         (selftest::cp_tree_c_tests): New function.
149         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
150         (cp_build_binary_op): Replace comparison with null_node with call
151         to null_node_p.
152         (build_address): Use location of operand when building address
153         expression.
155 2018-01-10  Marek Polacek  <polacek@redhat.com>
157         PR c++/82541
158         * call.c (build_conditional_expr_1): Check complain before warning.
159         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
160         -Wduplicated-branches.
162 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
164         PR c++/81327
165         * call.c (maybe_warn_class_memaccess): Add forward declaration.
166         Change last argument from tree * to const vec<tree, va_gc> *, adjust
167         args uses and check number of operands too.  Don't strip away any
168         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
169         Deal with src argument not having pointer type.  Check
170         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
171         test.
172         (build_over_call): Call maybe_warn_class_memaccess here on the
173         original arguments.
174         (build_cxx_call): Rather than here on converted arguments.
176 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
178         PR c++/81055
179         * init.c (build_vec_init): Avoid building an INIT_EXPR with
180         error_mark_node as second argument.
182 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
184         PR c++/83734
185         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
186         in STATEMENT_LIST.  Remove unneeded assert.
188 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
189             Alan Hayward  <alan.hayward@arm.com>
190             David Sherwood  <david.sherwood@arm.com>
192         * constexpr.c (cxx_eval_array_reference): Handle polynomial
193         VECTOR_CST_NELTS.
194         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
195         * call.c (build_conditional_expr_1): Likewise.
196         * decl.c (cp_finish_decomp): Likewise.
197         * mangle.c (write_type): Likewise.
198         * typeck.c (structural_comptypes): Likewise.
199         (cp_build_binary_op): Likewise.
200         * typeck2.c (process_init_constructor_array): Likewise.
202 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
204         PR c++/83555
205         * typeck.c (build_static_cast_1): For static casts to reference types,
206         call build_base_path with flag_delete_null_pointer_checks as nonnull
207         instead of always false.  When -fsanitize=null, call
208         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
209         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
210         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
212 2018-01-03  Nathan Sidwell  <nathan@acm.org>
214         PR c++/83667
215         * method.c (make_alias_for): Copy DECL_CONTEXT.
217 2018-01-03  Marek Polacek  <polacek@redhat.com>
219         PR c++/83592
220         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
222 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
224         PR preprocessor/83602
225         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
226         for builtin macros.
228         PR c++/83634
229         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
230         error_mark_node, return error_mark_node.
232         Update copyright years.
234 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
236         PR c++/83556
237         * tree.c (replace_placeholders_r): Pass NULL as last argument to
238         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
239         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
240         to false and return.
241         (replace_placeholders): Pass NULL instead of &pset as last argument
242         to cp_walk_tree.
244 2018-01-02  Nathan Sidwell  <nathan@acm.org>
246         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
247         lval var.
249 Copyright (C) 2018 Free Software Foundation, Inc.
251 Copying and distribution of this file, with or without modification,
252 are permitted in any medium without royalty provided the copyright
253 notice and this notice are preserved.