gcc/cp/ChangeLog

   1 2018-02-15  Jason Merrill  <jason@redhat.com>
   2
   3         PR c++/84045 - ICE with typedef and noexcept.
   4         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
   5
   6         PR c++/84376 - ICE with omitted template arguments.
   7         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
   8
   9         PR c++/84368 - wrong error with local variable in variadic lambda.
  10         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
  11         local_specializations.
  12
  13 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
  14
  15         PR c++/84330
  16         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
  17         as first argument.
  18
  19 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
  20
  21         PR c++/84350
  22         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
  23         init, early return.
  24
  25 2018-02-14  Nathan Sidwell  <nathan@acm.org>
  26
  27         * decl2.c (mark_vtable_entries): Set input_location to decl's.
  28         (c_parse_final_cleanups): Restore input_location after emitting
  29         vtables.
  30
  31 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
  32
  33         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
  34         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
  35         auto_deduction_context, tree, int): Add defaults.
  36         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
  37         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
  38         tsubst_flags_t argument.
  39         * init.c (build_new): Likewise.
  40
  41 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
  42
  43         PR c++/84364
  44         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
  45         about return other than *this in assignment operators if
  46         retval is type dependent expression.
  47
  48 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
  49
  50         PR c++/84333
  51         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
  52         save_expr for the G++ extension.
  53
  54 2018-02-13  Jason Merrill  <jason@redhat.com>
  55
  56         PR c++/84080 - ICE with return type deduction and specialization.
  57         * pt.c (determine_specialization): Check uses_template_parms.
  58
  59         Fix more variadic capture issues.
  60         * pt.c (find_parameter_packs_r): Also look at explicit captures.
  61         (check_for_bare_parameter_packs): Check current_class_type for
  62         lambda context.
  63         (extract_locals_r): Handle seeing a full instantiation of a pack.
  64         (tsubst_pack_expansion): Likewise.  Force lambda capture.
  65         * parser.c (cp_parser_lambda_introducer): Don't
  66         check_for_bare_parameter_packs.
  67
  68         PR c++/84338 - wrong variadic sizeof.
  69         * pt.c (argument_pack_select_arg): Like the macro, but look through
  70         a pack expansion.
  71         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
  72         (extract_fnparm_pack): Do make_pack_expansion.
  73         (extract_locals_r): Do strip a pack expansion.
  74         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
  75
  76 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
  77
  78         PR c++/84341
  79         * parser.c (cp_parser_binary_expression): Use build_min instead of
  80         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
  81
  82 2018-02-12  Nathan Sidwell  <nathan@acm.org>
  83
  84         PR c++/84263
  85         * parser.c (cp_parser_decltype): Push and pop
  86         deferring_access_checks.  Reorganize to avoid goto.
  87
  88 2018-02-12  Richard Biener  <rguenther@suse.de>
  89
  90         PR c++/84281
  91         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
  92         uniform constructors and delay allocating them fully.
  93
  94 2018-02-09  Jason Merrill  <jason@redhat.com>
  95
  96         PR c++/84036 - ICE with variadic capture.
  97         Handle variadic capture proxies more like non-variadic.
  98         * lambda.c (build_capture_proxy): Remove workaround.
  99         * pt.c (find_parameter_packs_r): The proxy is a pack.
 100         (instantiate_class_template_1): Remove dead lambda code.
 101         (extract_fnparm_pack): Don't make_pack_expansion.
 102         (extract_locals_r): Don't strip a pack expansion.
 103         (tsubst_pack_expansion): Handle proxy packs.  Use
 104         PACK_EXPANSION_EXTRA_ARGS less.
 105         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
 106         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
 107         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
 108         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
 109         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
 110
 111 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
 112
 113         PR sanitizer/83987
 114         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
 115
 116 2018-02-09  Jason Merrill  <jason@redhat.com>
 117
 118         PR c++/81917 - ICE with void_t and partial specialization.
 119         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
 120         calling most_specialized_partial_spec.
 121
 122 2018-02-09  Nathan Sidwell  <nathan@acm.org>
 123
 124         PR c/84293
 125         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
 126         Pass expr location to strict_aliasing_warning.
 127
 128 2018-02-09  Jason Merrill  <jason@redhat.com>
 129
 130         PR c++/84296 - ICE with qualified-id in template.
 131         PR c++/83714
 132         * pt.c (unknown_base_ref_p): New.
 133         (instantiation_dependent_scope_ref_p): Use it instead of
 134         any_dependent_bases_p.
 135
 136 2018-02-09  Marek Polacek  <polacek@redhat.com>
 137             Jakub Jelinek  <jakub@redhat.com>
 138
 139         PR c++/83659
 140         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
 141         fold_indirect_ref_1, including poly_*int64.  Verify first that
 142         tree_fits_poly_int64_p (op01).  Formatting fixes.
 143
 144 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 145
 146         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
 147         * lambda.c (build_capture_proxy): Likewise.
 148         * search.c (field_access_p): Likewise.
 149         * semantics.c (omp_clause_decl, omp_privatize_field,
 150         finish_omp_clauses): Likewise.
 151
 152 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 153
 154         PR c++/83806
 155         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
 156         case of nullptr too.
 157
 158 2018-02-08  Nathan Sidwell  <nathan@acm.org>
 159
 160         * class.c (finish_struct): Fix std:initializer_list diagnostic
 161         formatting.
 162
 163 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 164
 165         PR c++/83204
 166         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
 167
 168 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
 169
 170         PR c++/84082
 171         * parser.c (cp_parser_dot_deref_incomplete): New function.
 172         (cp_parser_postfix_dot_deref_expression): Use it.
 173
 174 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
 175
 176         PR c++/81610
 177         PR c++/80567
 178         * name-lookup.c (suggest_rid_p): New function.
 179         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
 180         suggest_rid_p.
 181
 182 2018-02-07  Jason Merrill  <jason@redhat.com>
 183
 184         PR c++/84182 - ICE with captured lambda
 185         PR c++/84181
 186         * pt.c (extract_locals_r, extract_local_specs): New.
 187         (tsubst_pack_expansion): Use them.
 188
 189 2018-02-07  Martin Liska  <mliska@suse.cz>
 190
 191         PR c++/84059.
 192         * class.c (add_method): Append argument value.
 193         * cp-tree.h (maybe_version_functions): Add new argument.
 194         * decl.c (decls_match): Call it if a declaration does not
 195         have DECL_FUNCTION_VERSIONED.
 196         (maybe_version_functions): record argument is added.
 197
 198 2018-02-05  Marek Polacek  <polacek@redhat.com>
 199
 200         * class.c: Remove unused global variables.
 201         (build_primary_vtable): Don't gather statistics.
 202         (print_class_statistics): Remove.
 203         * cp-tree.h (print_class_statistics): Remove.
 204         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
 205
 206 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
 207
 208         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
 209         * constexpr.c (cx_check_missing_mem_inits): Likewise.
 210         * decl.c (next_initializable_field, find_decomp_class_base,
 211         cp_finish_decomp): Likewise.
 212         * typeck2.c (process_init_constructor_record): Likewise.
 213
 214 2018-02-02  Jason Merrill  <jason@redhat.com>
 215
 216         PR c++/84181 - ICE with lambda parm in template argument.
 217         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
 218
 219 2018-02-01  Jason Merrill  <jason@redhat.com>
 220
 221         PR c++/84160 - ICE with nested variadic capture.
 222         * lambda.c (is_capture_proxy_with_ref): New.
 223         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
 224         COMPONENT_REF.
 225         * expr.c (mark_use): Use is_capture_proxy_with_ref.
 226         * constexpr.c (potential_constant_expression_1): Likewise.
 227         * semantics.c (process_outer_var_ref): Likewise.
 228
 229 2018-02-01  Marek Polacek  <polacek@redhat.com>
 230
 231         PR c++/84125
 232         * typeck.c (build_address): Relax the assert when
 233         processing_template_decl.
 234
 235 2018-02-01  Jason Merrill  <jason@redhat.com>
 236
 237         PR c++/84126 - ICE with variadic generic lambda
 238         PR c++/84036
 239         PR c++/82249
 240         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
 241         PACK_EXPANSION_EXTRA_ARGS.
 242
 243 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
 244
 245         PR c++/83796
 246         * call.c (convert_like_real): If w're initializing from {} explicitly
 247         call abstract_virtuals_error_sfinae.
 248
 249 2018-01-31  Jason Merrill  <jason@redhat.com>
 250             Jakub Jelinek  <jakub@redhat.com>
 251
 252         PR c++/83993
 253         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
 254         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
 255         on ADDR_EXPR.
 256
 257 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
 258
 259         PR c++/83993
 260         * constexpr.c (diag_array_subscript): Emit different diagnostics
 261         if TYPE_DOMAIN (arraytype) is NULL.
 262         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
 263         with NULL TYPE_DOMAIN use size_zero_node as nelts.
 264
 265 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
 266
 267         PR c++/84092
 268         * semantics.c (finish_qualified_id_expr): When handling an
 269         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
 270
 271 2018-01-31  Marek Polacek  <polacek@redhat.com>
 272
 273         PR c++/84138
 274         * cp-gimplify.c (cp_fold): Check if X is an error node before
 275         calling useless_type_conversion_p.
 276
 277 2018-01-30  Jason Merrill  <jason@redhat.com>
 278
 279         PR c++/84091 - ICE with local class in lambda in template.
 280         * decl2.c (determine_visibility): Look for outer containing template
 281         instantiation.
 282
 283         PR c++/84098 - ICE with lambda in template NSDMI.
 284         * pt.c (instantiate_class_template_1): Ignore more lambdas.
 285
 286 2018-01-29  Jason Merrill  <jason@redhat.com>
 287
 288         PR c++/68810 - wrong location for reinterpret_cast error.
 289         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
 290         !dofold.
 291
 292 2018-01-29  Marek Polacek  <polacek@redhat.com>
 293
 294         PR c++/83996
 295         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
 296         => fooarray[1] in offset_int.
 297
 298 2018-01-29  Jason Merrill  <jason@redhat.com>
 299
 300         PR c++/83942 - wrong unused warning with static_cast.
 301         * cvt.c (ocp_convert): Call mark_rvalue_use.
 302
 303 2018-01-26  Jason Merrill  <jason@redhat.com>
 304
 305         PR c++/83956 - wrong dtor error with anonymous union
 306         * method.c (walk_field_subobs): Variant members only affect
 307         deletedness.
 308         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
 309
 310         PR c++/84036 - ICE with variadic capture.
 311         PR c++/82249
 312         * pt.c (tsubst_pack_expansion): When optimizing a simple
 313         substitution, pull a single pack expansion out of its pack.
 314
 315         PR c++/82514 - ICE with local class in generic lambda.
 316         * pt.c (regenerated_lambda_fn_p): Remove.
 317         (enclosing_instantiation_of): Don't use it.
 318         (tsubst_function_decl): Call enclosing_instantiation_of.
 319
 320         * pt.c (lookup_template_class_1): Add sanity check.
 321         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
 322
 323 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
 324
 325         PR c++/84031
 326         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
 327         recursive calls that return ret.
 328         (cp_finish_decomp): Ignore unnamed bitfields.
 329
 330 2018-01-23  Jason Merrill  <jason@redhat.com>
 331
 332         PR c++/82249 - wrong mismatched pack length error.
 333         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
 334         unsubstituted function parameter pack.
 335
 336 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
 337
 338         PR c++/83921
 339         * decl.c (check_for_uninitialized_const_var): Not static; add
 340         bool and tsubst_flags_t parameters; adjust to be used both in
 341         constexpr context and not.
 342         * constexpr.c (potential_constant_expression_1): Use the above.
 343         * cp-tree.h (check_for_uninitialized_const_var): Declare.
 344
 345 2018-01-23  Jason Merrill  <jason@redhat.com>
 346
 347         PR c++/83947 - ICE with auto declarations.
 348         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
 349         * decl.c (undeduced_auto_decl): Limit to vars and fns.
 350
 351 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
 352
 353         PR c++/83974
 354         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
 355         for pointer to member function types.
 356
 357 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 358
 359         PR sanitizer/83987
 360         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
 361         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
 362
 363 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 364
 365         PR c++/83988
 366         * pt.c (tsubst_baselink): Remove optype assert.
 367         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
 368
 369 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 370
 371         PR c++/83958
 372         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
 373         refers to incomplete type.
 374
 375 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 376
 377         Deprecate ARM-era for scope handling
 378         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
 379         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
 380         cleared.
 381         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
 382         cleanup handling.
 383         * semantics.c (begin_for_scope): Flag_new_for_scope is
 384         boolean-like.
 385         (finish_for_stmt, begin_range_for_stmt): Likewise.
 386
 387 2018-01-22  Jason Merrill  <jason@redhat.com>
 388
 389         PR c++/83720
 390         * decl2.c (determine_visibility): Fix template_decl handling
 391         instead of blocking it.
 392
 393         PR c++/83720 - ICE with lambda and LTO.
 394         * decl2.c (determine_visibility): Clear template_decl for
 395         function-scope decls.  Propagate anonymous linkage from containing
 396         function.
 397
 398 2018-01-22  Marek Polacek  <polacek@redhat.com>
 399
 400         PR c++/81933
 401         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
 402         split out anything.
 403
 404 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
 405
 406         PR c++/83895
 407         * decl.c (grokdeclarator): Don't diagnose extra parens
 408         on typedefs.
 409
 410 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 411
 412         PR c++/81167
 413         * call.c (joust): Use TREE_TYPE (source) if source is
 414         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
 415
 416         PR c++/83919
 417         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
 418         for direct enum init.
 419         * decl.c (reshape_init): Likewise.
 420
 421 2018-01-19  Marek Polacek  <polacek@redhat.com>
 422
 423         * constexpr.c (fold_simple): Simplify.
 424
 425 2018-01-18  Jason Merrill  <jason@redhat.com>
 426
 427         PR c++/83714
 428         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
 429         * pt.c (instantiation_dependent_scope_ref_p): True if
 430         any_dependent_bases_p.
 431
 432 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 433
 434         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
 435         vs DECL_NONTRIVIALLY_INITIALIZED_P).
 436
 437 2018-01-18  Jason Merrill  <jason@redhat.com>
 438
 439         PR c++/82461 - constexpr list-initialized member
 440         * constexpr.c (potential_constant_expression_1): Check
 441         TARGET_EXPR_DIRECT_INIT_P.
 442
 443 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 444
 445         PR c++/81013
 446         * decl.c (xref_basetypes): Early return upon error about derived
 447         union.
 448
 449 2018-01-18  Nathan Sidwell  <nathan@acm.org>
 450
 451         PR c++/83160
 452         * cp-tree.h (mark_use): Declare.
 453         * expr.c (mark_use): Make extern.
 454         * call.c (direct_reference_binding): Set inner conv's
 455         rvaluedness_matches_p, if it is an identity.
 456         (convert_like_real): Mark lvalue or rvalue use for identity as
 457         rvaledness_matches_p demands.
 458
 459 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
 460
 461         PR c++/83824
 462         * parser.c (attr_chainon): New function.
 463         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
 464         cp_parser_namespace_definition, cp_parser_init_declarator,
 465         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
 466         cp_parser_gnu_attributes_opt): Use it.
 467         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
 468         cp_parser_objc_struct_declaration): Likewise.  Don't reset
 469         prefix_attributes if attributes is error_mark_node.
 470
 471 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 472
 473         PR c++/78344
 474         * decl.c (grokdeclarator): Do not append the error_mark_node
 475         due to an erroneous optional attribute-specifier-seq.
 476
 477 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
 478
 479         PR c++/83897
 480         * cp-gimplify.c (cp_maybe_instrument_return): Handle
 481         CLEANUP_POINT_EXPR.
 482
 483 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 484
 485         PR c++/81054
 486         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
 487         error_mark_node when we give an error.
 488         * decl.c (cp_finish_decl): Use the latter.
 489
 490 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 491
 492         PR c++/83287
 493         * init.c (build_raw_new_expr): Scan list for lookups to keep.
 494
 495 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 496
 497         PR c++/83814
 498         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
 499         the C++ part.  If processing a template, call
 500         fold_non_dependent_expr rather than fully folding.
 501
 502 2018-01-17  Jason Merrill  <jason@redhat.com>
 503
 504         PR c++/81067 - redundant NULL warning.
 505         * call.c (convert_like_real): Restore null_node handling.
 506
 507 2018-01-17  Jason Merrill  <jason@redhat.com>
 508
 509         PR c++/81843 - ICE with variadic member template.
 510         PR c++/72801
 511         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
 512         template args.
 513
 514 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 515
 516         PR c++/83799
 517         * pt.c (type_dependent_expression_p): Strip any location wrapper
 518         before testing tree codes.
 519         (selftest::test_type_dependent_expression_p): New function.
 520         (selftest::cp_pt_c_tests): Call it.
 521
 522 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 523
 524         PR c++/83739
 525         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
 526         this not a final instantiation.
 527
 528 2018-01-16  Jason Merrill  <jason@redhat.com>
 529
 530         PR c++/83714 - ICE checking return in template.
 531         * typeck.c (check_return_expr): Call build_non_dependent_expr.
 532
 533 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
 534
 535         PR c++/83817
 536         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
 537         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
 538         instead of CALL_FROM_THUNK_P.
 539
 540         PR c++/83825
 541         * name-lookup.c (member_vec_dedup): Return early if len is 0.
 542         (resort_type_member_vec, set_class_bindings,
 543         insert_late_enum_def_bindings): Use vec qsort method instead of
 544         calling qsort directly.
 545
 546 2018-01-15  Martin Sebor  <msebor@redhat.com>
 547
 548         PR c++/83588
 549         * class.c (find_flexarrays): Make a record of multiple flexible array
 550         members.
 551
 552 2018-01-12  Jason Merrill  <jason@redhat.com>
 553
 554         PR c++/83186 - ICE with static_cast of list-initialized temporary.
 555         * typeck.c (build_static_cast): Use build_non_dependent_expr.
 556
 557 2018-01-12  Nathan Sidwell  <nathan@acm.org>
 558
 559         * cp-tree.h (mark_rvalue_use): Add parm name.
 560         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
 561         mark_rvalue_use.
 562         * call.c (convert_like_real): Fix formatting.
 563
 564 2018-01-11  Jason Merrill  <jason@redhat.com>
 565
 566         PR c++/82728 - wrong -Wunused-but-set-variable
 567         PR c++/82799
 568         PR c++/83690
 569         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
 570         * decl.c (case_conversion): Likewise.
 571         * semantics.c (finish_static_assert): Call
 572         perform_implicit_conversion_flags.
 573
 574 2018-01-11  Nathan Sidwell  <nathan@acm.org>
 575
 576         * method.c (enum mangling_flags): Delete long-dead enum.
 577
 578 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 579
 580         * parser.c (cp_parser_std_attribute_spec): When
 581         token_pair::require_open / require_close return false simply
 582         return error_mark_node, avoid duplicate cp_parser_error about
 583         expected '(' / ')', respectively.
 584
 585 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
 586
 587         PR c++/43486
 588         * call.c (null_ptr_cst_p): Strip location wrappers when
 589         converting from '0' to a pointer type in C++11 onwards.
 590         (conversion_null_warnings): Replace comparison with null_node with
 591         call to null_node_p.
 592         (build_over_call): Likewise.
 593         * cp-gimplify.c (cp_fold): Remove the early bailout when
 594         processing_template_decl.
 595         * cp-lang.c (selftest::run_cp_tests): Call
 596         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
 597         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
 598         (selftest::run_cp_tests): Move decl to bottom of file.
 599         (null_node_p): New inline function.
 600         (selftest::cp_pt_c_tests): New decl.
 601         (selftest::cp_tree_c_tests): New decl.
 602         * cvt.c (build_expr_type_conversion): Replace comparison with
 603         null_node with call to null_node_p.
 604         * error.c (args_to_string): Likewise.
 605         * except.c (build_throw): Likewise.
 606         * mangle.c (write_expression): Skip location wrapper nodes.
 607         * parser.c (literal_integer_zerop): New function.
 608         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
 609         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
 610         param of cp_parser_parenthesized_expression_list.  When calling
 611         warn_for_memset, replace integer_zerop calls with
 612         literal_integer_zerop, eliminating the double logical negation
 613         cast to bool.  Eliminate the special-casing for CONST_DECL in
 614         favor of the fold_for_warn within warn_for_memset.
 615         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
 616         param, defaulting to false.  Convert "expr" to a cp_expr, and call
 617         maybe_add_location_wrapper on it when wrap_locations_p is true.
 618         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
 619         the result for RID_ALIGNOF and RID_SIZEOF.
 620         (cp_parser_builtin_offsetof): Likewise.
 621         * pt.c: Include "selftest.h".
 622         (tsubst_copy): Handle location wrappers.
 623         (tsubst_copy_and_build): Likewise.
 624         (build_non_dependent_expr): Likewise.
 625         (selftest::test_build_non_dependent_expr): New function.
 626         (selftest::cp_pt_c_tests): New function.
 627         * tree.c: Include "selftest.h".
 628         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
 629         (selftest::test_lvalue_kind): New function.
 630         (selftest::cp_tree_c_tests): New function.
 631         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
 632         (cp_build_binary_op): Replace comparison with null_node with call
 633         to null_node_p.
 634         (build_address): Use location of operand when building address
 635         expression.
 636
 637 2018-01-10  Marek Polacek  <polacek@redhat.com>
 638
 639         PR c++/82541
 640         * call.c (build_conditional_expr_1): Check complain before warning.
 641         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
 642         -Wduplicated-branches.
 643
 644 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
 645
 646         PR c++/81327
 647         * call.c (maybe_warn_class_memaccess): Add forward declaration.
 648         Change last argument from tree * to const vec<tree, va_gc> *, adjust
 649         args uses and check number of operands too.  Don't strip away any
 650         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
 651         Deal with src argument not having pointer type.  Check
 652         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
 653         test.
 654         (build_over_call): Call maybe_warn_class_memaccess here on the
 655         original arguments.
 656         (build_cxx_call): Rather than here on converted arguments.
 657
 658 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 659
 660         PR c++/81055
 661         * init.c (build_vec_init): Avoid building an INIT_EXPR with
 662         error_mark_node as second argument.
 663
 664 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
 665
 666         PR c++/83734
 667         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
 668         in STATEMENT_LIST.  Remove unneeded assert.
 669
 670 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 671             Alan Hayward  <alan.hayward@arm.com>
 672             David Sherwood  <david.sherwood@arm.com>
 673
 674         * constexpr.c (cxx_eval_array_reference): Handle polynomial
 675         VECTOR_CST_NELTS.
 676         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
 677         * call.c (build_conditional_expr_1): Likewise.
 678         * decl.c (cp_finish_decomp): Likewise.
 679         * mangle.c (write_type): Likewise.
 680         * typeck.c (structural_comptypes): Likewise.
 681         (cp_build_binary_op): Likewise.
 682         * typeck2.c (process_init_constructor_array): Likewise.
 683
 684 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 685
 686         PR c++/83555
 687         * typeck.c (build_static_cast_1): For static casts to reference types,
 688         call build_base_path with flag_delete_null_pointer_checks as nonnull
 689         instead of always false.  When -fsanitize=null, call
 690         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
 691         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
 692         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
 693
 694 2018-01-03  Nathan Sidwell  <nathan@acm.org>
 695
 696         PR c++/83667
 697         * method.c (make_alias_for): Copy DECL_CONTEXT.
 698
 699 2018-01-03  Marek Polacek  <polacek@redhat.com>
 700
 701         PR c++/83592
 702         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
 703
 704 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 705
 706         PR preprocessor/83602
 707         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
 708         for builtin macros.
 709
 710         PR c++/83634
 711         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
 712         error_mark_node, return error_mark_node.
 713
 714         Update copyright years.
 715
 716 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
 717
 718         PR c++/83556
 719         * tree.c (replace_placeholders_r): Pass NULL as last argument to
 720         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
 721         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
 722         to false and return.
 723         (replace_placeholders): Pass NULL instead of &pset as last argument
 724         to cp_walk_tree.
 725
 726 2018-01-02  Nathan Sidwell  <nathan@acm.org>
 727
 728         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
 729         lval var.
 730 \f
 731 Copyright (C) 2018 Free Software Foundation, Inc.
 732
 733 Copying and distribution of this file, with or without modification,
 734 are permitted in any medium without royalty provided the copyright
 735 notice and this notice are preserved.