gcc/cp/ChangeLog

   1 2018-02-14  Nathan Sidwell  <nathan@acm.org>
   2
   3         * decl2.c (mark_vtable_entries): Set input_location to decl's.
   4         (c_parse_final_cleanups): Restore input_location after emitting
   5         vtables.
   6
   7 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
   8
   9         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
  10         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
  11         auto_deduction_context, tree, int): Add defaults.
  12         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
  13         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
  14         tsubst_flags_t argument.
  15         * init.c (build_new): Likewise.
  16
  17 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
  18
  19         PR c++/84364
  20         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
  21         about return other than *this in assignment operators if
  22         retval is type dependent expression.
  23
  24 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
  25
  26         PR c++/84333
  27         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
  28         save_expr for the G++ extension.
  29
  30 2018-02-13  Jason Merrill  <jason@redhat.com>
  31
  32         PR c++/84080 - ICE with return type deduction and specialization.
  33         * pt.c (determine_specialization): Check uses_template_parms.
  34
  35         Fix more variadic capture issues.
  36         * pt.c (find_parameter_packs_r): Also look at explicit captures.
  37         (check_for_bare_parameter_packs): Check current_class_type for
  38         lambda context.
  39         (extract_locals_r): Handle seeing a full instantiation of a pack.
  40         (tsubst_pack_expansion): Likewise.  Force lambda capture.
  41         * parser.c (cp_parser_lambda_introducer): Don't
  42         check_for_bare_parameter_packs.
  43
  44         PR c++/84338 - wrong variadic sizeof.
  45         * pt.c (argument_pack_select_arg): Like the macro, but look through
  46         a pack expansion.
  47         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
  48         (extract_fnparm_pack): Do make_pack_expansion.
  49         (extract_locals_r): Do strip a pack expansion.
  50         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
  51
  52 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
  53
  54         PR c++/84341
  55         * parser.c (cp_parser_binary_expression): Use build_min instead of
  56         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
  57
  58 2018-02-12  Nathan Sidwell  <nathan@acm.org>
  59
  60         PR c++/84263
  61         * parser.c (cp_parser_decltype): Push and pop
  62         deferring_access_checks.  Reorganize to avoid goto.
  63
  64 2018-02-12  Richard Biener  <rguenther@suse.de>
  65
  66         PR c++/84281
  67         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
  68         uniform constructors and delay allocating them fully.
  69
  70 2018-02-09  Jason Merrill  <jason@redhat.com>
  71
  72         PR c++/84036 - ICE with variadic capture.
  73         Handle variadic capture proxies more like non-variadic.
  74         * lambda.c (build_capture_proxy): Remove workaround.
  75         * pt.c (find_parameter_packs_r): The proxy is a pack.
  76         (instantiate_class_template_1): Remove dead lambda code.
  77         (extract_fnparm_pack): Don't make_pack_expansion.
  78         (extract_locals_r): Don't strip a pack expansion.
  79         (tsubst_pack_expansion): Handle proxy packs.  Use
  80         PACK_EXPANSION_EXTRA_ARGS less.
  81         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
  82         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
  83         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
  84         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
  85         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
  86
  87 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
  88
  89         PR sanitizer/83987
  90         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
  91
  92 2018-02-09  Jason Merrill  <jason@redhat.com>
  93
  94         PR c++/81917 - ICE with void_t and partial specialization.
  95         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
  96         calling most_specialized_partial_spec.
  97
  98 2018-02-09  Nathan Sidwell  <nathan@acm.org>
  99
 100         PR c/84293
 101         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
 102         Pass expr location to strict_aliasing_warning.
 103
 104 2018-02-09  Jason Merrill  <jason@redhat.com>
 105
 106         PR c++/84296 - ICE with qualified-id in template.
 107         PR c++/83714
 108         * pt.c (unknown_base_ref_p): New.
 109         (instantiation_dependent_scope_ref_p): Use it instead of
 110         any_dependent_bases_p.
 111
 112 2018-02-09  Marek Polacek  <polacek@redhat.com>
 113             Jakub Jelinek  <jakub@redhat.com>
 114
 115         PR c++/83659
 116         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
 117         fold_indirect_ref_1, including poly_*int64.  Verify first that
 118         tree_fits_poly_int64_p (op01).  Formatting fixes.
 119
 120 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 121
 122         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
 123         * lambda.c (build_capture_proxy): Likewise.
 124         * search.c (field_access_p): Likewise.
 125         * semantics.c (omp_clause_decl, omp_privatize_field,
 126         finish_omp_clauses): Likewise.
 127
 128 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 129
 130         PR c++/83806
 131         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
 132         case of nullptr too.
 133
 134 2018-02-08  Nathan Sidwell  <nathan@acm.org>
 135
 136         * class.c (finish_struct): Fix std:initializer_list diagnostic
 137         formatting.
 138
 139 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 140
 141         PR c++/83204
 142         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
 143
 144 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
 145
 146         PR c++/84082
 147         * parser.c (cp_parser_dot_deref_incomplete): New function.
 148         (cp_parser_postfix_dot_deref_expression): Use it.
 149
 150 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
 151
 152         PR c++/81610
 153         PR c++/80567
 154         * name-lookup.c (suggest_rid_p): New function.
 155         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
 156         suggest_rid_p.
 157
 158 2018-02-07  Jason Merrill  <jason@redhat.com>
 159
 160         PR c++/84182 - ICE with captured lambda
 161         PR c++/84181
 162         * pt.c (extract_locals_r, extract_local_specs): New.
 163         (tsubst_pack_expansion): Use them.
 164
 165 2018-02-07  Martin Liska  <mliska@suse.cz>
 166
 167         PR c++/84059.
 168         * class.c (add_method): Append argument value.
 169         * cp-tree.h (maybe_version_functions): Add new argument.
 170         * decl.c (decls_match): Call it if a declaration does not
 171         have DECL_FUNCTION_VERSIONED.
 172         (maybe_version_functions): record argument is added.
 173
 174 2018-02-05  Marek Polacek  <polacek@redhat.com>
 175
 176         * class.c: Remove unused global variables.
 177         (build_primary_vtable): Don't gather statistics.
 178         (print_class_statistics): Remove.
 179         * cp-tree.h (print_class_statistics): Remove.
 180         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
 181
 182 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
 183
 184         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
 185         * constexpr.c (cx_check_missing_mem_inits): Likewise.
 186         * decl.c (next_initializable_field, find_decomp_class_base,
 187         cp_finish_decomp): Likewise.
 188         * typeck2.c (process_init_constructor_record): Likewise.
 189
 190 2018-02-02  Jason Merrill  <jason@redhat.com>
 191
 192         PR c++/84181 - ICE with lambda parm in template argument.
 193         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
 194
 195 2018-02-01  Jason Merrill  <jason@redhat.com>
 196
 197         PR c++/84160 - ICE with nested variadic capture.
 198         * lambda.c (is_capture_proxy_with_ref): New.
 199         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
 200         COMPONENT_REF.
 201         * expr.c (mark_use): Use is_capture_proxy_with_ref.
 202         * constexpr.c (potential_constant_expression_1): Likewise.
 203         * semantics.c (process_outer_var_ref): Likewise.
 204
 205 2018-02-01  Marek Polacek  <polacek@redhat.com>
 206
 207         PR c++/84125
 208         * typeck.c (build_address): Relax the assert when
 209         processing_template_decl.
 210
 211 2018-02-01  Jason Merrill  <jason@redhat.com>
 212
 213         PR c++/84126 - ICE with variadic generic lambda
 214         PR c++/84036
 215         PR c++/82249
 216         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
 217         PACK_EXPANSION_EXTRA_ARGS.
 218
 219 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
 220
 221         PR c++/83796
 222         * call.c (convert_like_real): If w're initializing from {} explicitly
 223         call abstract_virtuals_error_sfinae.
 224
 225 2018-01-31  Jason Merrill  <jason@redhat.com>
 226             Jakub Jelinek  <jakub@redhat.com>
 227
 228         PR c++/83993
 229         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
 230         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
 231         on ADDR_EXPR.
 232
 233 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
 234
 235         PR c++/83993
 236         * constexpr.c (diag_array_subscript): Emit different diagnostics
 237         if TYPE_DOMAIN (arraytype) is NULL.
 238         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
 239         with NULL TYPE_DOMAIN use size_zero_node as nelts.
 240
 241 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
 242
 243         PR c++/84092
 244         * semantics.c (finish_qualified_id_expr): When handling an
 245         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
 246
 247 2018-01-31  Marek Polacek  <polacek@redhat.com>
 248
 249         PR c++/84138
 250         * cp-gimplify.c (cp_fold): Check if X is an error node before
 251         calling useless_type_conversion_p.
 252
 253 2018-01-30  Jason Merrill  <jason@redhat.com>
 254
 255         PR c++/84091 - ICE with local class in lambda in template.
 256         * decl2.c (determine_visibility): Look for outer containing template
 257         instantiation.
 258
 259         PR c++/84098 - ICE with lambda in template NSDMI.
 260         * pt.c (instantiate_class_template_1): Ignore more lambdas.
 261
 262 2018-01-29  Jason Merrill  <jason@redhat.com>
 263
 264         PR c++/68810 - wrong location for reinterpret_cast error.
 265         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
 266         !dofold.
 267
 268 2018-01-29  Marek Polacek  <polacek@redhat.com>
 269
 270         PR c++/83996
 271         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
 272         => fooarray[1] in offset_int.
 273
 274 2018-01-29  Jason Merrill  <jason@redhat.com>
 275
 276         PR c++/83942 - wrong unused warning with static_cast.
 277         * cvt.c (ocp_convert): Call mark_rvalue_use.
 278
 279 2018-01-26  Jason Merrill  <jason@redhat.com>
 280
 281         PR c++/83956 - wrong dtor error with anonymous union
 282         * method.c (walk_field_subobs): Variant members only affect
 283         deletedness.
 284         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
 285
 286         PR c++/84036 - ICE with variadic capture.
 287         PR c++/82249
 288         * pt.c (tsubst_pack_expansion): When optimizing a simple
 289         substitution, pull a single pack expansion out of its pack.
 290
 291         PR c++/82514 - ICE with local class in generic lambda.
 292         * pt.c (regenerated_lambda_fn_p): Remove.
 293         (enclosing_instantiation_of): Don't use it.
 294         (tsubst_function_decl): Call enclosing_instantiation_of.
 295
 296         * pt.c (lookup_template_class_1): Add sanity check.
 297         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
 298
 299 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
 300
 301         PR c++/84031
 302         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
 303         recursive calls that return ret.
 304         (cp_finish_decomp): Ignore unnamed bitfields.
 305
 306 2018-01-23  Jason Merrill  <jason@redhat.com>
 307
 308         PR c++/82249 - wrong mismatched pack length error.
 309         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
 310         unsubstituted function parameter pack.
 311
 312 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
 313
 314         PR c++/83921
 315         * decl.c (check_for_uninitialized_const_var): Not static; add
 316         bool and tsubst_flags_t parameters; adjust to be used both in
 317         constexpr context and not.
 318         * constexpr.c (potential_constant_expression_1): Use the above.
 319         * cp-tree.h (check_for_uninitialized_const_var): Declare.
 320
 321 2018-01-23  Jason Merrill  <jason@redhat.com>
 322
 323         PR c++/83947 - ICE with auto declarations.
 324         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
 325         * decl.c (undeduced_auto_decl): Limit to vars and fns.
 326
 327 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
 328
 329         PR c++/83974
 330         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
 331         for pointer to member function types.
 332
 333 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 334
 335         PR sanitizer/83987
 336         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
 337         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
 338
 339 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 340
 341         PR c++/83988
 342         * pt.c (tsubst_baselink): Remove optype assert.
 343         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
 344
 345 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 346
 347         PR c++/83958
 348         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
 349         refers to incomplete type.
 350
 351 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 352
 353         Deprecate ARM-era for scope handling
 354         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
 355         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
 356         cleared.
 357         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
 358         cleanup handling.
 359         * semantics.c (begin_for_scope): Flag_new_for_scope is
 360         boolean-like.
 361         (finish_for_stmt, begin_range_for_stmt): Likewise.
 362
 363 2018-01-22  Jason Merrill  <jason@redhat.com>
 364
 365         PR c++/83720
 366         * decl2.c (determine_visibility): Fix template_decl handling
 367         instead of blocking it.
 368
 369         PR c++/83720 - ICE with lambda and LTO.
 370         * decl2.c (determine_visibility): Clear template_decl for
 371         function-scope decls.  Propagate anonymous linkage from containing
 372         function.
 373
 374 2018-01-22  Marek Polacek  <polacek@redhat.com>
 375
 376         PR c++/81933
 377         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
 378         split out anything.
 379
 380 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
 381
 382         PR c++/83895
 383         * decl.c (grokdeclarator): Don't diagnose extra parens
 384         on typedefs.
 385
 386 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 387
 388         PR c++/81167
 389         * call.c (joust): Use TREE_TYPE (source) if source is
 390         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
 391
 392         PR c++/83919
 393         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
 394         for direct enum init.
 395         * decl.c (reshape_init): Likewise.
 396
 397 2018-01-19  Marek Polacek  <polacek@redhat.com>
 398
 399         * constexpr.c (fold_simple): Simplify.
 400
 401 2018-01-18  Jason Merrill  <jason@redhat.com>
 402
 403         PR c++/83714
 404         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
 405         * pt.c (instantiation_dependent_scope_ref_p): True if
 406         any_dependent_bases_p.
 407
 408 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 409
 410         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
 411         vs DECL_NONTRIVIALLY_INITIALIZED_P).
 412
 413 2018-01-18  Jason Merrill  <jason@redhat.com>
 414
 415         PR c++/82461 - constexpr list-initialized member
 416         * constexpr.c (potential_constant_expression_1): Check
 417         TARGET_EXPR_DIRECT_INIT_P.
 418
 419 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 420
 421         PR c++/81013
 422         * decl.c (xref_basetypes): Early return upon error about derived
 423         union.
 424
 425 2018-01-18  Nathan Sidwell  <nathan@acm.org>
 426
 427         PR c++/83160
 428         * cp-tree.h (mark_use): Declare.
 429         * expr.c (mark_use): Make extern.
 430         * call.c (direct_reference_binding): Set inner conv's
 431         rvaluedness_matches_p, if it is an identity.
 432         (convert_like_real): Mark lvalue or rvalue use for identity as
 433         rvaledness_matches_p demands.
 434
 435 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
 436
 437         PR c++/83824
 438         * parser.c (attr_chainon): New function.
 439         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
 440         cp_parser_namespace_definition, cp_parser_init_declarator,
 441         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
 442         cp_parser_gnu_attributes_opt): Use it.
 443         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
 444         cp_parser_objc_struct_declaration): Likewise.  Don't reset
 445         prefix_attributes if attributes is error_mark_node.
 446
 447 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 448
 449         PR c++/78344
 450         * decl.c (grokdeclarator): Do not append the error_mark_node
 451         due to an erroneous optional attribute-specifier-seq.
 452
 453 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
 454
 455         PR c++/83897
 456         * cp-gimplify.c (cp_maybe_instrument_return): Handle
 457         CLEANUP_POINT_EXPR.
 458
 459 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 460
 461         PR c++/81054
 462         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
 463         error_mark_node when we give an error.
 464         * decl.c (cp_finish_decl): Use the latter.
 465
 466 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 467
 468         PR c++/83287
 469         * init.c (build_raw_new_expr): Scan list for lookups to keep.
 470
 471 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 472
 473         PR c++/83814
 474         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
 475         the C++ part.  If processing a template, call
 476         fold_non_dependent_expr rather than fully folding.
 477
 478 2018-01-17  Jason Merrill  <jason@redhat.com>
 479
 480         PR c++/81067 - redundant NULL warning.
 481         * call.c (convert_like_real): Restore null_node handling.
 482
 483 2018-01-17  Jason Merrill  <jason@redhat.com>
 484
 485         PR c++/81843 - ICE with variadic member template.
 486         PR c++/72801
 487         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
 488         template args.
 489
 490 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 491
 492         PR c++/83799
 493         * pt.c (type_dependent_expression_p): Strip any location wrapper
 494         before testing tree codes.
 495         (selftest::test_type_dependent_expression_p): New function.
 496         (selftest::cp_pt_c_tests): Call it.
 497
 498 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 499
 500         PR c++/83739
 501         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
 502         this not a final instantiation.
 503
 504 2018-01-16  Jason Merrill  <jason@redhat.com>
 505
 506         PR c++/83714 - ICE checking return in template.
 507         * typeck.c (check_return_expr): Call build_non_dependent_expr.
 508
 509 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
 510
 511         PR c++/83817
 512         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
 513         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
 514         instead of CALL_FROM_THUNK_P.
 515
 516         PR c++/83825
 517         * name-lookup.c (member_vec_dedup): Return early if len is 0.
 518         (resort_type_member_vec, set_class_bindings,
 519         insert_late_enum_def_bindings): Use vec qsort method instead of
 520         calling qsort directly.
 521
 522 2018-01-15  Martin Sebor  <msebor@redhat.com>
 523
 524         PR c++/83588
 525         * class.c (find_flexarrays): Make a record of multiple flexible array
 526         members.
 527
 528 2018-01-12  Jason Merrill  <jason@redhat.com>
 529
 530         PR c++/83186 - ICE with static_cast of list-initialized temporary.
 531         * typeck.c (build_static_cast): Use build_non_dependent_expr.
 532
 533 2018-01-12  Nathan Sidwell  <nathan@acm.org>
 534
 535         * cp-tree.h (mark_rvalue_use): Add parm name.
 536         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
 537         mark_rvalue_use.
 538         * call.c (convert_like_real): Fix formatting.
 539
 540 2018-01-11  Jason Merrill  <jason@redhat.com>
 541
 542         PR c++/82728 - wrong -Wunused-but-set-variable
 543         PR c++/82799
 544         PR c++/83690
 545         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
 546         * decl.c (case_conversion): Likewise.
 547         * semantics.c (finish_static_assert): Call
 548         perform_implicit_conversion_flags.
 549
 550 2018-01-11  Nathan Sidwell  <nathan@acm.org>
 551
 552         * method.c (enum mangling_flags): Delete long-dead enum.
 553
 554 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 555
 556         * parser.c (cp_parser_std_attribute_spec): When
 557         token_pair::require_open / require_close return false simply
 558         return error_mark_node, avoid duplicate cp_parser_error about
 559         expected '(' / ')', respectively.
 560
 561 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
 562
 563         PR c++/43486
 564         * call.c (null_ptr_cst_p): Strip location wrappers when
 565         converting from '0' to a pointer type in C++11 onwards.
 566         (conversion_null_warnings): Replace comparison with null_node with
 567         call to null_node_p.
 568         (build_over_call): Likewise.
 569         * cp-gimplify.c (cp_fold): Remove the early bailout when
 570         processing_template_decl.
 571         * cp-lang.c (selftest::run_cp_tests): Call
 572         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
 573         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
 574         (selftest::run_cp_tests): Move decl to bottom of file.
 575         (null_node_p): New inline function.
 576         (selftest::cp_pt_c_tests): New decl.
 577         (selftest::cp_tree_c_tests): New decl.
 578         * cvt.c (build_expr_type_conversion): Replace comparison with
 579         null_node with call to null_node_p.
 580         * error.c (args_to_string): Likewise.
 581         * except.c (build_throw): Likewise.
 582         * mangle.c (write_expression): Skip location wrapper nodes.
 583         * parser.c (literal_integer_zerop): New function.
 584         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
 585         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
 586         param of cp_parser_parenthesized_expression_list.  When calling
 587         warn_for_memset, replace integer_zerop calls with
 588         literal_integer_zerop, eliminating the double logical negation
 589         cast to bool.  Eliminate the special-casing for CONST_DECL in
 590         favor of the fold_for_warn within warn_for_memset.
 591         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
 592         param, defaulting to false.  Convert "expr" to a cp_expr, and call
 593         maybe_add_location_wrapper on it when wrap_locations_p is true.
 594         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
 595         the result for RID_ALIGNOF and RID_SIZEOF.
 596         (cp_parser_builtin_offsetof): Likewise.
 597         * pt.c: Include "selftest.h".
 598         (tsubst_copy): Handle location wrappers.
 599         (tsubst_copy_and_build): Likewise.
 600         (build_non_dependent_expr): Likewise.
 601         (selftest::test_build_non_dependent_expr): New function.
 602         (selftest::cp_pt_c_tests): New function.
 603         * tree.c: Include "selftest.h".
 604         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
 605         (selftest::test_lvalue_kind): New function.
 606         (selftest::cp_tree_c_tests): New function.
 607         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
 608         (cp_build_binary_op): Replace comparison with null_node with call
 609         to null_node_p.
 610         (build_address): Use location of operand when building address
 611         expression.
 612
 613 2018-01-10  Marek Polacek  <polacek@redhat.com>
 614
 615         PR c++/82541
 616         * call.c (build_conditional_expr_1): Check complain before warning.
 617         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
 618         -Wduplicated-branches.
 619
 620 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
 621
 622         PR c++/81327
 623         * call.c (maybe_warn_class_memaccess): Add forward declaration.
 624         Change last argument from tree * to const vec<tree, va_gc> *, adjust
 625         args uses and check number of operands too.  Don't strip away any
 626         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
 627         Deal with src argument not having pointer type.  Check
 628         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
 629         test.
 630         (build_over_call): Call maybe_warn_class_memaccess here on the
 631         original arguments.
 632         (build_cxx_call): Rather than here on converted arguments.
 633
 634 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 635
 636         PR c++/81055
 637         * init.c (build_vec_init): Avoid building an INIT_EXPR with
 638         error_mark_node as second argument.
 639
 640 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
 641
 642         PR c++/83734
 643         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
 644         in STATEMENT_LIST.  Remove unneeded assert.
 645
 646 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 647             Alan Hayward  <alan.hayward@arm.com>
 648             David Sherwood  <david.sherwood@arm.com>
 649
 650         * constexpr.c (cxx_eval_array_reference): Handle polynomial
 651         VECTOR_CST_NELTS.
 652         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
 653         * call.c (build_conditional_expr_1): Likewise.
 654         * decl.c (cp_finish_decomp): Likewise.
 655         * mangle.c (write_type): Likewise.
 656         * typeck.c (structural_comptypes): Likewise.
 657         (cp_build_binary_op): Likewise.
 658         * typeck2.c (process_init_constructor_array): Likewise.
 659
 660 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 661
 662         PR c++/83555
 663         * typeck.c (build_static_cast_1): For static casts to reference types,
 664         call build_base_path with flag_delete_null_pointer_checks as nonnull
 665         instead of always false.  When -fsanitize=null, call
 666         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
 667         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
 668         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
 669
 670 2018-01-03  Nathan Sidwell  <nathan@acm.org>
 671
 672         PR c++/83667
 673         * method.c (make_alias_for): Copy DECL_CONTEXT.
 674
 675 2018-01-03  Marek Polacek  <polacek@redhat.com>
 676
 677         PR c++/83592
 678         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
 679
 680 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 681
 682         PR preprocessor/83602
 683         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
 684         for builtin macros.
 685
 686         PR c++/83634
 687         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
 688         error_mark_node, return error_mark_node.
 689
 690         Update copyright years.
 691
 692 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
 693
 694         PR c++/83556
 695         * tree.c (replace_placeholders_r): Pass NULL as last argument to
 696         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
 697         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
 698         to false and return.
 699         (replace_placeholders): Pass NULL instead of &pset as last argument
 700         to cp_walk_tree.
 701
 702 2018-01-02  Nathan Sidwell  <nathan@acm.org>
 703
 704         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
 705         lval var.
 706 \f
 707 Copyright (C) 2018 Free Software Foundation, Inc.
 708
 709 Copying and distribution of this file, with or without modification,
 710 are permitted in any medium without royalty provided the copyright
 711 notice and this notice are preserved.