gcc/cp/ChangeLog

   1 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR c++/83993
   4         * constexpr.c (diag_array_subscript): Emit different diagnostics
   5         if TYPE_DOMAIN (arraytype) is NULL.
   6         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
   7         with NULL TYPE_DOMAIN use size_zero_node as nelts.
   8
   9 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
  10
  11         PR c++/84092
  12         * semantics.c (finish_qualified_id_expr): When handling an
  13         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
  14
  15 2018-01-31  Marek Polacek  <polacek@redhat.com>
  16
  17         PR c++/84138
  18         * cp-gimplify.c (cp_fold): Check if X is an error node before
  19         calling useless_type_conversion_p.
  20
  21 2018-01-30  Jason Merrill  <jason@redhat.com>
  22
  23         PR c++/84091 - ICE with local class in lambda in template.
  24         * decl2.c (determine_visibility): Look for outer containing template
  25         instantiation.
  26
  27         PR c++/84098 - ICE with lambda in template NSDMI.
  28         * pt.c (instantiate_class_template_1): Ignore more lambdas.
  29
  30 2018-01-29  Jason Merrill  <jason@redhat.com>
  31
  32         PR c++/68810 - wrong location for reinterpret_cast error.
  33         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
  34         !dofold.
  35
  36 2018-01-29  Marek Polacek  <polacek@redhat.com>
  37
  38         PR c++/83996
  39         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
  40         => fooarray[1] in offset_int.
  41
  42 2018-01-29  Jason Merrill  <jason@redhat.com>
  43
  44         PR c++/83942 - wrong unused warning with static_cast.
  45         * cvt.c (ocp_convert): Call mark_rvalue_use.
  46
  47 2018-01-26  Jason Merrill  <jason@redhat.com>
  48
  49         PR c++/83956 - wrong dtor error with anonymous union
  50         * method.c (walk_field_subobs): Variant members only affect
  51         deletedness.
  52         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
  53
  54         PR c++/84036 - ICE with variadic capture.
  55         PR c++/82249
  56         * pt.c (tsubst_pack_expansion): When optimizing a simple
  57         substitution, pull a single pack expansion out of its pack.
  58
  59         PR c++/82514 - ICE with local class in generic lambda.
  60         * pt.c (regenerated_lambda_fn_p): Remove.
  61         (enclosing_instantiation_of): Don't use it.
  62         (tsubst_function_decl): Call enclosing_instantiation_of.
  63
  64         * pt.c (lookup_template_class_1): Add sanity check.
  65         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
  66
  67 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
  68
  69         PR c++/84031
  70         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
  71         recursive calls that return ret.
  72         (cp_finish_decomp): Ignore unnamed bitfields.
  73
  74 2018-01-23  Jason Merrill  <jason@redhat.com>
  75
  76         PR c++/82249 - wrong mismatched pack length error.
  77         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
  78         unsubstituted function parameter pack.
  79
  80 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
  81
  82         PR c++/83921
  83         * decl.c (check_for_uninitialized_const_var): Not static; add
  84         bool and tsubst_flags_t parameters; adjust to be used both in
  85         constexpr context and not.
  86         * constexpr.c (potential_constant_expression_1): Use the above.
  87         * cp-tree.h (check_for_uninitialized_const_var): Declare.
  88
  89 2018-01-23  Jason Merrill  <jason@redhat.com>
  90
  91         PR c++/83947 - ICE with auto declarations.
  92         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
  93         * decl.c (undeduced_auto_decl): Limit to vars and fns.
  94
  95 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
  96
  97         PR c++/83974
  98         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
  99         for pointer to member function types.
 100
 101 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 102
 103         PR sanitizer/83987
 104         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
 105         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
 106
 107 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 108
 109         PR c++/83988
 110         * pt.c (tsubst_baselink): Remove optype assert.
 111         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
 112
 113 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 114
 115         PR c++/83958
 116         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
 117         refers to incomplete type.
 118
 119 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 120
 121         Deprecate ARM-era for scope handling
 122         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
 123         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
 124         cleared.
 125         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
 126         cleanup handling.
 127         * semantics.c (begin_for_scope): Flag_new_for_scope is
 128         boolean-like.
 129         (finish_for_stmt, begin_range_for_stmt): Likewise.
 130
 131 2018-01-22  Jason Merrill  <jason@redhat.com>
 132
 133         PR c++/83720
 134         * decl2.c (determine_visibility): Fix template_decl handling
 135         instead of blocking it.
 136
 137         PR c++/83720 - ICE with lambda and LTO.
 138         * decl2.c (determine_visibility): Clear template_decl for
 139         function-scope decls.  Propagate anonymous linkage from containing
 140         function.
 141
 142 2018-01-22  Marek Polacek  <polacek@redhat.com>
 143
 144         PR c++/81933
 145         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
 146         split out anything.
 147
 148 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
 149
 150         PR c++/83895
 151         * decl.c (grokdeclarator): Don't diagnose extra parens
 152         on typedefs.
 153
 154 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 155
 156         PR c++/81167
 157         * call.c (joust): Use TREE_TYPE (source) if source is
 158         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
 159
 160         PR c++/83919
 161         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
 162         for direct enum init.
 163         * decl.c (reshape_init): Likewise.
 164
 165 2018-01-19  Marek Polacek  <polacek@redhat.com>
 166
 167         * constexpr.c (fold_simple): Simplify.
 168
 169 2018-01-18  Jason Merrill  <jason@redhat.com>
 170
 171         PR c++/83714
 172         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
 173         * pt.c (instantiation_dependent_scope_ref_p): True if
 174         any_dependent_bases_p.
 175
 176 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 177
 178         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
 179         vs DECL_NONTRIVIALLY_INITIALIZED_P).
 180
 181 2018-01-18  Jason Merrill  <jason@redhat.com>
 182
 183         PR c++/82461 - constexpr list-initialized member
 184         * constexpr.c (potential_constant_expression_1): Check
 185         TARGET_EXPR_DIRECT_INIT_P.
 186
 187 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 188
 189         PR c++/81013
 190         * decl.c (xref_basetypes): Early return upon error about derived
 191         union.
 192
 193 2018-01-18  Nathan Sidwell  <nathan@acm.org>
 194
 195         PR c++/83160
 196         * cp-tree.h (mark_use): Declare.
 197         * expr.c (mark_use): Make extern.
 198         * call.c (direct_reference_binding): Set inner conv's
 199         rvaluedness_matches_p, if it is an identity.
 200         (convert_like_real): Mark lvalue or rvalue use for identity as
 201         rvaledness_matches_p demands.
 202
 203 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
 204
 205         PR c++/83824
 206         * parser.c (attr_chainon): New function.
 207         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
 208         cp_parser_namespace_definition, cp_parser_init_declarator,
 209         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
 210         cp_parser_gnu_attributes_opt): Use it.
 211         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
 212         cp_parser_objc_struct_declaration): Likewise.  Don't reset
 213         prefix_attributes if attributes is error_mark_node.
 214
 215 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 216
 217         PR c++/78344
 218         * decl.c (grokdeclarator): Do not append the error_mark_node
 219         due to an erroneous optional attribute-specifier-seq.
 220
 221 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
 222
 223         PR c++/83897
 224         * cp-gimplify.c (cp_maybe_instrument_return): Handle
 225         CLEANUP_POINT_EXPR.
 226
 227 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 228
 229         PR c++/81054
 230         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
 231         error_mark_node when we give an error.
 232         * decl.c (cp_finish_decl): Use the latter.
 233
 234 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 235
 236         PR c++/83287
 237         * init.c (build_raw_new_expr): Scan list for lookups to keep.
 238
 239 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 240
 241         PR c++/83814
 242         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
 243         the C++ part.  If processing a template, call
 244         fold_non_dependent_expr rather than fully folding.
 245
 246 2018-01-17  Jason Merrill  <jason@redhat.com>
 247
 248         PR c++/81067 - redundant NULL warning.
 249         * call.c (convert_like_real): Restore null_node handling.
 250
 251 2018-01-17  Jason Merrill  <jason@redhat.com>
 252
 253         PR c++/81843 - ICE with variadic member template.
 254         PR c++/72801
 255         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
 256         template args.
 257
 258 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 259
 260         PR c++/83799
 261         * pt.c (type_dependent_expression_p): Strip any location wrapper
 262         before testing tree codes.
 263         (selftest::test_type_dependent_expression_p): New function.
 264         (selftest::cp_pt_c_tests): Call it.
 265
 266 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 267
 268         PR c++/83739
 269         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
 270         this not a final instantiation.
 271
 272 2018-01-16  Jason Merrill  <jason@redhat.com>
 273
 274         PR c++/83714 - ICE checking return in template.
 275         * typeck.c (check_return_expr): Call build_non_dependent_expr.
 276
 277 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
 278
 279         PR c++/83817
 280         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
 281         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
 282         instead of CALL_FROM_THUNK_P.
 283
 284         PR c++/83825
 285         * name-lookup.c (member_vec_dedup): Return early if len is 0.
 286         (resort_type_member_vec, set_class_bindings,
 287         insert_late_enum_def_bindings): Use vec qsort method instead of
 288         calling qsort directly.
 289
 290 2018-01-15  Martin Sebor  <msebor@redhat.com>
 291
 292         PR c++/83588
 293         * class.c (find_flexarrays): Make a record of multiple flexible array
 294         members.
 295
 296 2018-01-12  Jason Merrill  <jason@redhat.com>
 297
 298         PR c++/83186 - ICE with static_cast of list-initialized temporary.
 299         * typeck.c (build_static_cast): Use build_non_dependent_expr.
 300
 301 2018-01-12  Nathan Sidwell  <nathan@acm.org>
 302
 303         * cp-tree.h (mark_rvalue_use): Add parm name.
 304         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
 305         mark_rvalue_use.
 306         * call.c (convert_like_real): Fix formatting.
 307
 308 2018-01-11  Jason Merrill  <jason@redhat.com>
 309
 310         PR c++/82728 - wrong -Wunused-but-set-variable
 311         PR c++/82799
 312         PR c++/83690
 313         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
 314         * decl.c (case_conversion): Likewise.
 315         * semantics.c (finish_static_assert): Call
 316         perform_implicit_conversion_flags.
 317
 318 2018-01-11  Nathan Sidwell  <nathan@acm.org>
 319
 320         * method.c (enum mangling_flags): Delete long-dead enum.
 321
 322 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 323
 324         * parser.c (cp_parser_std_attribute_spec): When
 325         token_pair::require_open / require_close return false simply
 326         return error_mark_node, avoid duplicate cp_parser_error about
 327         expected '(' / ')', respectively.
 328
 329 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
 330
 331         PR c++/43486
 332         * call.c (null_ptr_cst_p): Strip location wrappers when
 333         converting from '0' to a pointer type in C++11 onwards.
 334         (conversion_null_warnings): Replace comparison with null_node with
 335         call to null_node_p.
 336         (build_over_call): Likewise.
 337         * cp-gimplify.c (cp_fold): Remove the early bailout when
 338         processing_template_decl.
 339         * cp-lang.c (selftest::run_cp_tests): Call
 340         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
 341         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
 342         (selftest::run_cp_tests): Move decl to bottom of file.
 343         (null_node_p): New inline function.
 344         (selftest::cp_pt_c_tests): New decl.
 345         (selftest::cp_tree_c_tests): New decl.
 346         * cvt.c (build_expr_type_conversion): Replace comparison with
 347         null_node with call to null_node_p.
 348         * error.c (args_to_string): Likewise.
 349         * except.c (build_throw): Likewise.
 350         * mangle.c (write_expression): Skip location wrapper nodes.
 351         * parser.c (literal_integer_zerop): New function.
 352         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
 353         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
 354         param of cp_parser_parenthesized_expression_list.  When calling
 355         warn_for_memset, replace integer_zerop calls with
 356         literal_integer_zerop, eliminating the double logical negation
 357         cast to bool.  Eliminate the special-casing for CONST_DECL in
 358         favor of the fold_for_warn within warn_for_memset.
 359         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
 360         param, defaulting to false.  Convert "expr" to a cp_expr, and call
 361         maybe_add_location_wrapper on it when wrap_locations_p is true.
 362         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
 363         the result for RID_ALIGNOF and RID_SIZEOF.
 364         (cp_parser_builtin_offsetof): Likewise.
 365         * pt.c: Include "selftest.h".
 366         (tsubst_copy): Handle location wrappers.
 367         (tsubst_copy_and_build): Likewise.
 368         (build_non_dependent_expr): Likewise.
 369         (selftest::test_build_non_dependent_expr): New function.
 370         (selftest::cp_pt_c_tests): New function.
 371         * tree.c: Include "selftest.h".
 372         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
 373         (selftest::test_lvalue_kind): New function.
 374         (selftest::cp_tree_c_tests): New function.
 375         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
 376         (cp_build_binary_op): Replace comparison with null_node with call
 377         to null_node_p.
 378         (build_address): Use location of operand when building address
 379         expression.
 380
 381 2018-01-10  Marek Polacek  <polacek@redhat.com>
 382
 383         PR c++/82541
 384         * call.c (build_conditional_expr_1): Check complain before warning.
 385         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
 386         -Wduplicated-branches.
 387
 388 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
 389
 390         PR c++/81327
 391         * call.c (maybe_warn_class_memaccess): Add forward declaration.
 392         Change last argument from tree * to const vec<tree, va_gc> *, adjust
 393         args uses and check number of operands too.  Don't strip away any
 394         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
 395         Deal with src argument not having pointer type.  Check
 396         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
 397         test.
 398         (build_over_call): Call maybe_warn_class_memaccess here on the
 399         original arguments.
 400         (build_cxx_call): Rather than here on converted arguments.
 401
 402 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 403
 404         PR c++/81055
 405         * init.c (build_vec_init): Avoid building an INIT_EXPR with
 406         error_mark_node as second argument.
 407
 408 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
 409
 410         PR c++/83734
 411         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
 412         in STATEMENT_LIST.  Remove unneeded assert.
 413
 414 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 415             Alan Hayward  <alan.hayward@arm.com>
 416             David Sherwood  <david.sherwood@arm.com>
 417
 418         * constexpr.c (cxx_eval_array_reference): Handle polynomial
 419         VECTOR_CST_NELTS.
 420         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
 421         * call.c (build_conditional_expr_1): Likewise.
 422         * decl.c (cp_finish_decomp): Likewise.
 423         * mangle.c (write_type): Likewise.
 424         * typeck.c (structural_comptypes): Likewise.
 425         (cp_build_binary_op): Likewise.
 426         * typeck2.c (process_init_constructor_array): Likewise.
 427
 428 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 429
 430         PR c++/83555
 431         * typeck.c (build_static_cast_1): For static casts to reference types,
 432         call build_base_path with flag_delete_null_pointer_checks as nonnull
 433         instead of always false.  When -fsanitize=null, call
 434         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
 435         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
 436         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
 437
 438 2018-01-03  Nathan Sidwell  <nathan@acm.org>
 439
 440         PR c++/83667
 441         * method.c (make_alias_for): Copy DECL_CONTEXT.
 442
 443 2018-01-03  Marek Polacek  <polacek@redhat.com>
 444
 445         PR c++/83592
 446         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
 447
 448 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 449
 450         PR preprocessor/83602
 451         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
 452         for builtin macros.
 453
 454         PR c++/83634
 455         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
 456         error_mark_node, return error_mark_node.
 457
 458         Update copyright years.
 459
 460 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
 461
 462         PR c++/83556
 463         * tree.c (replace_placeholders_r): Pass NULL as last argument to
 464         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
 465         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
 466         to false and return.
 467         (replace_placeholders): Pass NULL instead of &pset as last argument
 468         to cp_walk_tree.
 469
 470 2018-01-02  Nathan Sidwell  <nathan@acm.org>
 471
 472         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
 473         lval var.
 474 \f
 475 Copyright (C) 2018 Free Software Foundation, Inc.
 476
 477 Copying and distribution of this file, with or without modification,
 478 are permitted in any medium without royalty provided the copyright
 479 notice and this notice are preserved.