gcc/cp/ChangeLog

   1 2018-01-26  Jason Merrill  <jason@redhat.com>
   2
   3         PR c++/83956 - wrong dtor error with anonymous union
   4         * method.c (walk_field_subobs): Variant members only affect
   5         deletedness.
   6         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
   7
   8         PR c++/84036 - ICE with variadic capture.
   9         PR c++/82249
  10         * pt.c (tsubst_pack_expansion): When optimizing a simple
  11         substitution, pull a single pack expansion out of its pack.
  12
  13         PR c++/82514 - ICE with local class in generic lambda.
  14         * pt.c (regenerated_lambda_fn_p): Remove.
  15         (enclosing_instantiation_of): Don't use it.
  16         (tsubst_function_decl): Call enclosing_instantiation_of.
  17
  18         * pt.c (lookup_template_class_1): Add sanity check.
  19         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
  20
  21 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
  22
  23         PR c++/84031
  24         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
  25         recursive calls that return ret.
  26         (cp_finish_decomp): Ignore unnamed bitfields.
  27
  28 2018-01-23  Jason Merrill  <jason@redhat.com>
  29
  30         PR c++/82249 - wrong mismatched pack length error.
  31         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
  32         unsubstituted function parameter pack.
  33
  34 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
  35
  36         PR c++/83921
  37         * decl.c (check_for_uninitialized_const_var): Not static; add
  38         bool and tsubst_flags_t parameters; adjust to be used both in
  39         constexpr context and not.
  40         * constexpr.c (potential_constant_expression_1): Use the above.
  41         * cp-tree.h (check_for_uninitialized_const_var): Declare.
  42
  43 2018-01-23  Jason Merrill  <jason@redhat.com>
  44
  45         PR c++/83947 - ICE with auto declarations.
  46         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
  47         * decl.c (undeduced_auto_decl): Limit to vars and fns.
  48
  49 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
  50
  51         PR c++/83974
  52         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
  53         for pointer to member function types.
  54
  55 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
  56
  57         PR sanitizer/83987
  58         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
  59         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
  60
  61 2018-01-23  Nathan Sidwell  <nathan@acm.org>
  62
  63         PR c++/83988
  64         * pt.c (tsubst_baselink): Remove optype assert.
  65         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
  66
  67 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
  68
  69         PR c++/83958
  70         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
  71         refers to incomplete type.
  72
  73 2018-01-23  Nathan Sidwell  <nathan@acm.org>
  74
  75         Deprecate ARM-era for scope handling
  76         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
  77         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
  78         cleared.
  79         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
  80         cleanup handling.
  81         * semantics.c (begin_for_scope): Flag_new_for_scope is
  82         boolean-like.
  83         (finish_for_stmt, begin_range_for_stmt): Likewise.
  84
  85 2018-01-22  Jason Merrill  <jason@redhat.com>
  86
  87         PR c++/83720
  88         * decl2.c (determine_visibility): Fix template_decl handling
  89         instead of blocking it.
  90
  91         PR c++/83720 - ICE with lambda and LTO.
  92         * decl2.c (determine_visibility): Clear template_decl for
  93         function-scope decls.  Propagate anonymous linkage from containing
  94         function.
  95
  96 2018-01-22  Marek Polacek  <polacek@redhat.com>
  97
  98         PR c++/81933
  99         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
 100         split out anything.
 101
 102 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
 103
 104         PR c++/83895
 105         * decl.c (grokdeclarator): Don't diagnose extra parens
 106         on typedefs.
 107
 108 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 109
 110         PR c++/81167
 111         * call.c (joust): Use TREE_TYPE (source) if source is
 112         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
 113
 114         PR c++/83919
 115         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
 116         for direct enum init.
 117         * decl.c (reshape_init): Likewise.
 118
 119 2018-01-19  Marek Polacek  <polacek@redhat.com>
 120
 121         * constexpr.c (fold_simple): Simplify.
 122
 123 2018-01-18  Jason Merrill  <jason@redhat.com>
 124
 125         PR c++/83714
 126         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
 127         * pt.c (instantiation_dependent_scope_ref_p): True if
 128         any_dependent_bases_p.
 129
 130 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 131
 132         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
 133         vs DECL_NONTRIVIALLY_INITIALIZED_P).
 134
 135 2018-01-18  Jason Merrill  <jason@redhat.com>
 136
 137         PR c++/82461 - constexpr list-initialized member
 138         * constexpr.c (potential_constant_expression_1): Check
 139         TARGET_EXPR_DIRECT_INIT_P.
 140
 141 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 142
 143         PR c++/81013
 144         * decl.c (xref_basetypes): Early return upon error about derived
 145         union.
 146
 147 2018-01-18  Nathan Sidwell  <nathan@acm.org>
 148
 149         PR c++/83160
 150         * cp-tree.h (mark_use): Declare.
 151         * expr.c (mark_use): Make extern.
 152         * call.c (direct_reference_binding): Set inner conv's
 153         rvaluedness_matches_p, if it is an identity.
 154         (convert_like_real): Mark lvalue or rvalue use for identity as
 155         rvaledness_matches_p demands.
 156
 157 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
 158
 159         PR c++/83824
 160         * parser.c (attr_chainon): New function.
 161         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
 162         cp_parser_namespace_definition, cp_parser_init_declarator,
 163         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
 164         cp_parser_gnu_attributes_opt): Use it.
 165         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
 166         cp_parser_objc_struct_declaration): Likewise.  Don't reset
 167         prefix_attributes if attributes is error_mark_node.
 168
 169 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 170
 171         PR c++/78344
 172         * decl.c (grokdeclarator): Do not append the error_mark_node
 173         due to an erroneous optional attribute-specifier-seq.
 174
 175 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
 176
 177         PR c++/83897
 178         * cp-gimplify.c (cp_maybe_instrument_return): Handle
 179         CLEANUP_POINT_EXPR.
 180
 181 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 182
 183         PR c++/81054
 184         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
 185         error_mark_node when we give an error.
 186         * decl.c (cp_finish_decl): Use the latter.
 187
 188 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 189
 190         PR c++/83287
 191         * init.c (build_raw_new_expr): Scan list for lookups to keep.
 192
 193 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 194
 195         PR c++/83814
 196         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
 197         the C++ part.  If processing a template, call
 198         fold_non_dependent_expr rather than fully folding.
 199
 200 2018-01-17  Jason Merrill  <jason@redhat.com>
 201
 202         PR c++/81067 - redundant NULL warning.
 203         * call.c (convert_like_real): Restore null_node handling.
 204
 205 2018-01-17  Jason Merrill  <jason@redhat.com>
 206
 207         PR c++/81843 - ICE with variadic member template.
 208         PR c++/72801
 209         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
 210         template args.
 211
 212 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 213
 214         PR c++/83799
 215         * pt.c (type_dependent_expression_p): Strip any location wrapper
 216         before testing tree codes.
 217         (selftest::test_type_dependent_expression_p): New function.
 218         (selftest::cp_pt_c_tests): Call it.
 219
 220 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 221
 222         PR c++/83739
 223         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
 224         this not a final instantiation.
 225
 226 2018-01-16  Jason Merrill  <jason@redhat.com>
 227
 228         PR c++/83714 - ICE checking return in template.
 229         * typeck.c (check_return_expr): Call build_non_dependent_expr.
 230
 231 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
 232
 233         PR c++/83817
 234         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
 235         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
 236         instead of CALL_FROM_THUNK_P.
 237
 238         PR c++/83825
 239         * name-lookup.c (member_vec_dedup): Return early if len is 0.
 240         (resort_type_member_vec, set_class_bindings,
 241         insert_late_enum_def_bindings): Use vec qsort method instead of
 242         calling qsort directly.
 243
 244 2018-01-15  Martin Sebor  <msebor@redhat.com>
 245
 246         PR c++/83588
 247         * class.c (find_flexarrays): Make a record of multiple flexible array
 248         members.
 249
 250 2018-01-12  Jason Merrill  <jason@redhat.com>
 251
 252         PR c++/83186 - ICE with static_cast of list-initialized temporary.
 253         * typeck.c (build_static_cast): Use build_non_dependent_expr.
 254
 255 2018-01-12  Nathan Sidwell  <nathan@acm.org>
 256
 257         * cp-tree.h (mark_rvalue_use): Add parm name.
 258         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
 259         mark_rvalue_use.
 260         * call.c (convert_like_real): Fix formatting.
 261
 262 2018-01-11  Jason Merrill  <jason@redhat.com>
 263
 264         PR c++/82728 - wrong -Wunused-but-set-variable
 265         PR c++/82799
 266         PR c++/83690
 267         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
 268         * decl.c (case_conversion): Likewise.
 269         * semantics.c (finish_static_assert): Call
 270         perform_implicit_conversion_flags.
 271
 272 2018-01-11  Nathan Sidwell  <nathan@acm.org>
 273
 274         * method.c (enum mangling_flags): Delete long-dead enum.
 275
 276 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 277
 278         * parser.c (cp_parser_std_attribute_spec): When
 279         token_pair::require_open / require_close return false simply
 280         return error_mark_node, avoid duplicate cp_parser_error about
 281         expected '(' / ')', respectively.
 282
 283 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
 284
 285         PR c++/43486
 286         * call.c (null_ptr_cst_p): Strip location wrappers when
 287         converting from '0' to a pointer type in C++11 onwards.
 288         (conversion_null_warnings): Replace comparison with null_node with
 289         call to null_node_p.
 290         (build_over_call): Likewise.
 291         * cp-gimplify.c (cp_fold): Remove the early bailout when
 292         processing_template_decl.
 293         * cp-lang.c (selftest::run_cp_tests): Call
 294         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
 295         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
 296         (selftest::run_cp_tests): Move decl to bottom of file.
 297         (null_node_p): New inline function.
 298         (selftest::cp_pt_c_tests): New decl.
 299         (selftest::cp_tree_c_tests): New decl.
 300         * cvt.c (build_expr_type_conversion): Replace comparison with
 301         null_node with call to null_node_p.
 302         * error.c (args_to_string): Likewise.
 303         * except.c (build_throw): Likewise.
 304         * mangle.c (write_expression): Skip location wrapper nodes.
 305         * parser.c (literal_integer_zerop): New function.
 306         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
 307         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
 308         param of cp_parser_parenthesized_expression_list.  When calling
 309         warn_for_memset, replace integer_zerop calls with
 310         literal_integer_zerop, eliminating the double logical negation
 311         cast to bool.  Eliminate the special-casing for CONST_DECL in
 312         favor of the fold_for_warn within warn_for_memset.
 313         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
 314         param, defaulting to false.  Convert "expr" to a cp_expr, and call
 315         maybe_add_location_wrapper on it when wrap_locations_p is true.
 316         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
 317         the result for RID_ALIGNOF and RID_SIZEOF.
 318         (cp_parser_builtin_offsetof): Likewise.
 319         * pt.c: Include "selftest.h".
 320         (tsubst_copy): Handle location wrappers.
 321         (tsubst_copy_and_build): Likewise.
 322         (build_non_dependent_expr): Likewise.
 323         (selftest::test_build_non_dependent_expr): New function.
 324         (selftest::cp_pt_c_tests): New function.
 325         * tree.c: Include "selftest.h".
 326         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
 327         (selftest::test_lvalue_kind): New function.
 328         (selftest::cp_tree_c_tests): New function.
 329         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
 330         (cp_build_binary_op): Replace comparison with null_node with call
 331         to null_node_p.
 332         (build_address): Use location of operand when building address
 333         expression.
 334
 335 2018-01-10  Marek Polacek  <polacek@redhat.com>
 336
 337         PR c++/82541
 338         * call.c (build_conditional_expr_1): Check complain before warning.
 339         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
 340         -Wduplicated-branches.
 341
 342 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
 343
 344         PR c++/81327
 345         * call.c (maybe_warn_class_memaccess): Add forward declaration.
 346         Change last argument from tree * to const vec<tree, va_gc> *, adjust
 347         args uses and check number of operands too.  Don't strip away any
 348         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
 349         Deal with src argument not having pointer type.  Check
 350         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
 351         test.
 352         (build_over_call): Call maybe_warn_class_memaccess here on the
 353         original arguments.
 354         (build_cxx_call): Rather than here on converted arguments.
 355
 356 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 357
 358         PR c++/81055
 359         * init.c (build_vec_init): Avoid building an INIT_EXPR with
 360         error_mark_node as second argument.
 361
 362 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
 363
 364         PR c++/83734
 365         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
 366         in STATEMENT_LIST.  Remove unneeded assert.
 367
 368 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 369             Alan Hayward  <alan.hayward@arm.com>
 370             David Sherwood  <david.sherwood@arm.com>
 371
 372         * constexpr.c (cxx_eval_array_reference): Handle polynomial
 373         VECTOR_CST_NELTS.
 374         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
 375         * call.c (build_conditional_expr_1): Likewise.
 376         * decl.c (cp_finish_decomp): Likewise.
 377         * mangle.c (write_type): Likewise.
 378         * typeck.c (structural_comptypes): Likewise.
 379         (cp_build_binary_op): Likewise.
 380         * typeck2.c (process_init_constructor_array): Likewise.
 381
 382 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 383
 384         PR c++/83555
 385         * typeck.c (build_static_cast_1): For static casts to reference types,
 386         call build_base_path with flag_delete_null_pointer_checks as nonnull
 387         instead of always false.  When -fsanitize=null, call
 388         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
 389         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
 390         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
 391
 392 2018-01-03  Nathan Sidwell  <nathan@acm.org>
 393
 394         PR c++/83667
 395         * method.c (make_alias_for): Copy DECL_CONTEXT.
 396
 397 2018-01-03  Marek Polacek  <polacek@redhat.com>
 398
 399         PR c++/83592
 400         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
 401
 402 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 403
 404         PR preprocessor/83602
 405         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
 406         for builtin macros.
 407
 408         PR c++/83634
 409         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
 410         error_mark_node, return error_mark_node.
 411
 412         Update copyright years.
 413
 414 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
 415
 416         PR c++/83556
 417         * tree.c (replace_placeholders_r): Pass NULL as last argument to
 418         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
 419         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
 420         to false and return.
 421         (replace_placeholders): Pass NULL instead of &pset as last argument
 422         to cp_walk_tree.
 423
 424 2018-01-02  Nathan Sidwell  <nathan@acm.org>
 425
 426         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
 427         lval var.
 428 \f
 429 Copyright (C) 2018 Free Software Foundation, Inc.
 430
 431 Copying and distribution of this file, with or without modification,
 432 are permitted in any medium without royalty provided the copyright
 433 notice and this notice are preserved.