gcc/cp/ChangeLog

   1 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR c++/84445
   4         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
   5         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
   6
   7         PR c++/84449
   8         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
   9         returns error_mark_node, return it immediately.
  10         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
  11         error_mark_node, return error_mark_node.
  12
  13         PR c++/84455
  14         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
  15         function_depth to avoid GC during finish_lambda_function.
  16
  17 2018-02-19  Jason Merrill  <jason@redhat.com>
  18
  19         PR c++/84429 - ICE capturing VLA.
  20         * lambda.c (build_capture_proxy): Handle reference refs.
  21
  22 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
  23
  24         PR c++/84448
  25         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
  26         either operand is error_mark_node, set current.lhs to that instead of
  27         creating a binary op with error_mark_node operands.
  28
  29         PR c++/84430
  30         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
  31
  32 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
  33
  34         PR c++/84348
  35         * decl.c (grokdeclarator): Early return error_mark_node upon
  36         ill-formed friend declaration.
  37
  38 2018-02-16  Marek Polacek  <polacek@redhat.com>
  39             Jakub Jelinek  <jakub@redhat.com>
  40
  41         PR c++/84192
  42         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
  43         set *jump_target to anything if jump_target is NULL.
  44
  45 2018-02-16  Jason Merrill  <jason@redhat.com>
  46
  47         PR c++/84151 - unnecessary volatile load with static member.
  48         * call.c (build_new_method_call_1): Avoid loading from a volatile
  49         lvalue used as the object argument for a static member function.
  50
  51         PR c++/81853 - using-directive and constexpr.
  52         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
  53
  54         PR c++/84420 - ICE with structured binding in lambda.
  55         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
  56
  57         PR c++/83835 - C++17 error with constructor ctors.
  58         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
  59
  60         PR c++/82664 - ICE with reference to function template parm.
  61         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
  62         NOP_EXPRs.
  63
  64         PR c++/82764 - C++17 ICE with empty base
  65         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
  66
  67 2018-02-16  Jason Merrill  <jason@redhat.com>
  68
  69         PR c++/84421 - type-dependent if constexpr
  70         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
  71
  72 2018-02-16  Nathan Sidwell  <nathan@acm.org>
  73
  74         Deprecate -ffriend-injection.
  75         * decl.c (cxx_init_decl_processing): Emit warning on option.
  76         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
  77         friend.
  78
  79 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
  80
  81         PR c++/82468
  82         * decl.c (check_special_function_return_type): Reject template
  83         template parameter in deduction guide.
  84
  85 2018-02-16  Nathan Sidwell  <nathan@acm.org>
  86
  87         PR c++/84375
  88         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
  89
  90 2018-02-15  Jason Merrill  <jason@redhat.com>
  91
  92         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
  93         * call.c (convert_like_real): Don't use the copy-list-initialization
  94         shortcut for ck_base.
  95
  96         PR c++/84045 - ICE with typedef and noexcept.
  97         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
  98
  99         PR c++/84376 - ICE with omitted template arguments.
 100         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
 101
 102         PR c++/84368 - wrong error with local variable in variadic lambda.
 103         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
 104         local_specializations.
 105
 106 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
 107
 108         PR c++/84330
 109         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
 110         as first argument.
 111
 112 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
 113
 114         PR c++/84350
 115         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
 116         init, early return.
 117
 118 2018-02-14  Nathan Sidwell  <nathan@acm.org>
 119
 120         * decl2.c (mark_vtable_entries): Set input_location to decl's.
 121         (c_parse_final_cleanups): Restore input_location after emitting
 122         vtables.
 123
 124 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
 125
 126         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
 127         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
 128         auto_deduction_context, tree, int): Add defaults.
 129         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
 130         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
 131         tsubst_flags_t argument.
 132         * init.c (build_new): Likewise.
 133
 134 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
 135
 136         PR c++/84364
 137         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
 138         about return other than *this in assignment operators if
 139         retval is type dependent expression.
 140
 141 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
 142
 143         PR c++/84333
 144         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
 145         save_expr for the G++ extension.
 146
 147 2018-02-13  Jason Merrill  <jason@redhat.com>
 148
 149         PR c++/84080 - ICE with return type deduction and specialization.
 150         * pt.c (determine_specialization): Check uses_template_parms.
 151
 152         Fix more variadic capture issues.
 153         * pt.c (find_parameter_packs_r): Also look at explicit captures.
 154         (check_for_bare_parameter_packs): Check current_class_type for
 155         lambda context.
 156         (extract_locals_r): Handle seeing a full instantiation of a pack.
 157         (tsubst_pack_expansion): Likewise.  Force lambda capture.
 158         * parser.c (cp_parser_lambda_introducer): Don't
 159         check_for_bare_parameter_packs.
 160
 161         PR c++/84338 - wrong variadic sizeof.
 162         * pt.c (argument_pack_select_arg): Like the macro, but look through
 163         a pack expansion.
 164         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
 165         (extract_fnparm_pack): Do make_pack_expansion.
 166         (extract_locals_r): Do strip a pack expansion.
 167         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
 168
 169 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
 170
 171         PR c++/84341
 172         * parser.c (cp_parser_binary_expression): Use build_min instead of
 173         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
 174
 175 2018-02-12  Nathan Sidwell  <nathan@acm.org>
 176
 177         PR c++/84263
 178         * parser.c (cp_parser_decltype): Push and pop
 179         deferring_access_checks.  Reorganize to avoid goto.
 180
 181 2018-02-12  Richard Biener  <rguenther@suse.de>
 182
 183         PR c++/84281
 184         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
 185         uniform constructors and delay allocating them fully.
 186
 187 2018-02-09  Jason Merrill  <jason@redhat.com>
 188
 189         PR c++/84036 - ICE with variadic capture.
 190         Handle variadic capture proxies more like non-variadic.
 191         * lambda.c (build_capture_proxy): Remove workaround.
 192         * pt.c (find_parameter_packs_r): The proxy is a pack.
 193         (instantiate_class_template_1): Remove dead lambda code.
 194         (extract_fnparm_pack): Don't make_pack_expansion.
 195         (extract_locals_r): Don't strip a pack expansion.
 196         (tsubst_pack_expansion): Handle proxy packs.  Use
 197         PACK_EXPANSION_EXTRA_ARGS less.
 198         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
 199         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
 200         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
 201         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
 202         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
 203
 204 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
 205
 206         PR sanitizer/83987
 207         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
 208
 209 2018-02-09  Jason Merrill  <jason@redhat.com>
 210
 211         PR c++/81917 - ICE with void_t and partial specialization.
 212         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
 213         calling most_specialized_partial_spec.
 214
 215 2018-02-09  Nathan Sidwell  <nathan@acm.org>
 216
 217         PR c/84293
 218         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
 219         Pass expr location to strict_aliasing_warning.
 220
 221 2018-02-09  Jason Merrill  <jason@redhat.com>
 222
 223         PR c++/84296 - ICE with qualified-id in template.
 224         PR c++/83714
 225         * pt.c (unknown_base_ref_p): New.
 226         (instantiation_dependent_scope_ref_p): Use it instead of
 227         any_dependent_bases_p.
 228
 229 2018-02-09  Marek Polacek  <polacek@redhat.com>
 230             Jakub Jelinek  <jakub@redhat.com>
 231
 232         PR c++/83659
 233         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
 234         fold_indirect_ref_1, including poly_*int64.  Verify first that
 235         tree_fits_poly_int64_p (op01).  Formatting fixes.
 236
 237 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 238
 239         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
 240         * lambda.c (build_capture_proxy): Likewise.
 241         * search.c (field_access_p): Likewise.
 242         * semantics.c (omp_clause_decl, omp_privatize_field,
 243         finish_omp_clauses): Likewise.
 244
 245 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 246
 247         PR c++/83806
 248         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
 249         case of nullptr too.
 250
 251 2018-02-08  Nathan Sidwell  <nathan@acm.org>
 252
 253         * class.c (finish_struct): Fix std:initializer_list diagnostic
 254         formatting.
 255
 256 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 257
 258         PR c++/83204
 259         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
 260
 261 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
 262
 263         PR c++/84082
 264         * parser.c (cp_parser_dot_deref_incomplete): New function.
 265         (cp_parser_postfix_dot_deref_expression): Use it.
 266
 267 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
 268
 269         PR c++/81610
 270         PR c++/80567
 271         * name-lookup.c (suggest_rid_p): New function.
 272         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
 273         suggest_rid_p.
 274
 275 2018-02-07  Jason Merrill  <jason@redhat.com>
 276
 277         PR c++/84182 - ICE with captured lambda
 278         PR c++/84181
 279         * pt.c (extract_locals_r, extract_local_specs): New.
 280         (tsubst_pack_expansion): Use them.
 281
 282 2018-02-07  Martin Liska  <mliska@suse.cz>
 283
 284         PR c++/84059.
 285         * class.c (add_method): Append argument value.
 286         * cp-tree.h (maybe_version_functions): Add new argument.
 287         * decl.c (decls_match): Call it if a declaration does not
 288         have DECL_FUNCTION_VERSIONED.
 289         (maybe_version_functions): record argument is added.
 290
 291 2018-02-05  Marek Polacek  <polacek@redhat.com>
 292
 293         * class.c: Remove unused global variables.
 294         (build_primary_vtable): Don't gather statistics.
 295         (print_class_statistics): Remove.
 296         * cp-tree.h (print_class_statistics): Remove.
 297         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
 298
 299 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
 300
 301         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
 302         * constexpr.c (cx_check_missing_mem_inits): Likewise.
 303         * decl.c (next_initializable_field, find_decomp_class_base,
 304         cp_finish_decomp): Likewise.
 305         * typeck2.c (process_init_constructor_record): Likewise.
 306
 307 2018-02-02  Jason Merrill  <jason@redhat.com>
 308
 309         PR c++/84181 - ICE with lambda parm in template argument.
 310         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
 311
 312 2018-02-01  Jason Merrill  <jason@redhat.com>
 313
 314         PR c++/84160 - ICE with nested variadic capture.
 315         * lambda.c (is_capture_proxy_with_ref): New.
 316         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
 317         COMPONENT_REF.
 318         * expr.c (mark_use): Use is_capture_proxy_with_ref.
 319         * constexpr.c (potential_constant_expression_1): Likewise.
 320         * semantics.c (process_outer_var_ref): Likewise.
 321
 322 2018-02-01  Marek Polacek  <polacek@redhat.com>
 323
 324         PR c++/84125
 325         * typeck.c (build_address): Relax the assert when
 326         processing_template_decl.
 327
 328 2018-02-01  Jason Merrill  <jason@redhat.com>
 329
 330         PR c++/84126 - ICE with variadic generic lambda
 331         PR c++/84036
 332         PR c++/82249
 333         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
 334         PACK_EXPANSION_EXTRA_ARGS.
 335
 336 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
 337
 338         PR c++/83796
 339         * call.c (convert_like_real): If w're initializing from {} explicitly
 340         call abstract_virtuals_error_sfinae.
 341
 342 2018-01-31  Jason Merrill  <jason@redhat.com>
 343             Jakub Jelinek  <jakub@redhat.com>
 344
 345         PR c++/83993
 346         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
 347         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
 348         on ADDR_EXPR.
 349
 350 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
 351
 352         PR c++/83993
 353         * constexpr.c (diag_array_subscript): Emit different diagnostics
 354         if TYPE_DOMAIN (arraytype) is NULL.
 355         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
 356         with NULL TYPE_DOMAIN use size_zero_node as nelts.
 357
 358 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
 359
 360         PR c++/84092
 361         * semantics.c (finish_qualified_id_expr): When handling an
 362         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
 363
 364 2018-01-31  Marek Polacek  <polacek@redhat.com>
 365
 366         PR c++/84138
 367         * cp-gimplify.c (cp_fold): Check if X is an error node before
 368         calling useless_type_conversion_p.
 369
 370 2018-01-30  Jason Merrill  <jason@redhat.com>
 371
 372         PR c++/84091 - ICE with local class in lambda in template.
 373         * decl2.c (determine_visibility): Look for outer containing template
 374         instantiation.
 375
 376         PR c++/84098 - ICE with lambda in template NSDMI.
 377         * pt.c (instantiate_class_template_1): Ignore more lambdas.
 378
 379 2018-01-29  Jason Merrill  <jason@redhat.com>
 380
 381         PR c++/68810 - wrong location for reinterpret_cast error.
 382         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
 383         !dofold.
 384
 385 2018-01-29  Marek Polacek  <polacek@redhat.com>
 386
 387         PR c++/83996
 388         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
 389         => fooarray[1] in offset_int.
 390
 391 2018-01-29  Jason Merrill  <jason@redhat.com>
 392
 393         PR c++/83942 - wrong unused warning with static_cast.
 394         * cvt.c (ocp_convert): Call mark_rvalue_use.
 395
 396 2018-01-26  Jason Merrill  <jason@redhat.com>
 397
 398         PR c++/83956 - wrong dtor error with anonymous union
 399         * method.c (walk_field_subobs): Variant members only affect
 400         deletedness.
 401         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
 402
 403         PR c++/84036 - ICE with variadic capture.
 404         PR c++/82249
 405         * pt.c (tsubst_pack_expansion): When optimizing a simple
 406         substitution, pull a single pack expansion out of its pack.
 407
 408         PR c++/82514 - ICE with local class in generic lambda.
 409         * pt.c (regenerated_lambda_fn_p): Remove.
 410         (enclosing_instantiation_of): Don't use it.
 411         (tsubst_function_decl): Call enclosing_instantiation_of.
 412
 413         * pt.c (lookup_template_class_1): Add sanity check.
 414         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
 415
 416 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
 417
 418         PR c++/84031
 419         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
 420         recursive calls that return ret.
 421         (cp_finish_decomp): Ignore unnamed bitfields.
 422
 423 2018-01-23  Jason Merrill  <jason@redhat.com>
 424
 425         PR c++/82249 - wrong mismatched pack length error.
 426         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
 427         unsubstituted function parameter pack.
 428
 429 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
 430
 431         PR c++/83921
 432         * decl.c (check_for_uninitialized_const_var): Not static; add
 433         bool and tsubst_flags_t parameters; adjust to be used both in
 434         constexpr context and not.
 435         * constexpr.c (potential_constant_expression_1): Use the above.
 436         * cp-tree.h (check_for_uninitialized_const_var): Declare.
 437
 438 2018-01-23  Jason Merrill  <jason@redhat.com>
 439
 440         PR c++/83947 - ICE with auto declarations.
 441         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
 442         * decl.c (undeduced_auto_decl): Limit to vars and fns.
 443
 444 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
 445
 446         PR c++/83974
 447         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
 448         for pointer to member function types.
 449
 450 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 451
 452         PR sanitizer/83987
 453         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
 454         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
 455
 456 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 457
 458         PR c++/83988
 459         * pt.c (tsubst_baselink): Remove optype assert.
 460         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
 461
 462 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
 463
 464         PR c++/83958
 465         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
 466         refers to incomplete type.
 467
 468 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 469
 470         Deprecate ARM-era for scope handling
 471         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
 472         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
 473         cleared.
 474         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
 475         cleanup handling.
 476         * semantics.c (begin_for_scope): Flag_new_for_scope is
 477         boolean-like.
 478         (finish_for_stmt, begin_range_for_stmt): Likewise.
 479
 480 2018-01-22  Jason Merrill  <jason@redhat.com>
 481
 482         PR c++/83720
 483         * decl2.c (determine_visibility): Fix template_decl handling
 484         instead of blocking it.
 485
 486         PR c++/83720 - ICE with lambda and LTO.
 487         * decl2.c (determine_visibility): Clear template_decl for
 488         function-scope decls.  Propagate anonymous linkage from containing
 489         function.
 490
 491 2018-01-22  Marek Polacek  <polacek@redhat.com>
 492
 493         PR c++/81933
 494         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
 495         split out anything.
 496
 497 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
 498
 499         PR c++/83895
 500         * decl.c (grokdeclarator): Don't diagnose extra parens
 501         on typedefs.
 502
 503 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 504
 505         PR c++/81167
 506         * call.c (joust): Use TREE_TYPE (source) if source is
 507         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
 508
 509         PR c++/83919
 510         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
 511         for direct enum init.
 512         * decl.c (reshape_init): Likewise.
 513
 514 2018-01-19  Marek Polacek  <polacek@redhat.com>
 515
 516         * constexpr.c (fold_simple): Simplify.
 517
 518 2018-01-18  Jason Merrill  <jason@redhat.com>
 519
 520         PR c++/83714
 521         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
 522         * pt.c (instantiation_dependent_scope_ref_p): True if
 523         any_dependent_bases_p.
 524
 525 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 526
 527         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
 528         vs DECL_NONTRIVIALLY_INITIALIZED_P).
 529
 530 2018-01-18  Jason Merrill  <jason@redhat.com>
 531
 532         PR c++/82461 - constexpr list-initialized member
 533         * constexpr.c (potential_constant_expression_1): Check
 534         TARGET_EXPR_DIRECT_INIT_P.
 535
 536 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 537
 538         PR c++/81013
 539         * decl.c (xref_basetypes): Early return upon error about derived
 540         union.
 541
 542 2018-01-18  Nathan Sidwell  <nathan@acm.org>
 543
 544         PR c++/83160
 545         * cp-tree.h (mark_use): Declare.
 546         * expr.c (mark_use): Make extern.
 547         * call.c (direct_reference_binding): Set inner conv's
 548         rvaluedness_matches_p, if it is an identity.
 549         (convert_like_real): Mark lvalue or rvalue use for identity as
 550         rvaledness_matches_p demands.
 551
 552 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
 553
 554         PR c++/83824
 555         * parser.c (attr_chainon): New function.
 556         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
 557         cp_parser_namespace_definition, cp_parser_init_declarator,
 558         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
 559         cp_parser_gnu_attributes_opt): Use it.
 560         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
 561         cp_parser_objc_struct_declaration): Likewise.  Don't reset
 562         prefix_attributes if attributes is error_mark_node.
 563
 564 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 565
 566         PR c++/78344
 567         * decl.c (grokdeclarator): Do not append the error_mark_node
 568         due to an erroneous optional attribute-specifier-seq.
 569
 570 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
 571
 572         PR c++/83897
 573         * cp-gimplify.c (cp_maybe_instrument_return): Handle
 574         CLEANUP_POINT_EXPR.
 575
 576 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 577
 578         PR c++/81054
 579         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
 580         error_mark_node when we give an error.
 581         * decl.c (cp_finish_decl): Use the latter.
 582
 583 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 584
 585         PR c++/83287
 586         * init.c (build_raw_new_expr): Scan list for lookups to keep.
 587
 588 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 589
 590         PR c++/83814
 591         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
 592         the C++ part.  If processing a template, call
 593         fold_non_dependent_expr rather than fully folding.
 594
 595 2018-01-17  Jason Merrill  <jason@redhat.com>
 596
 597         PR c++/81067 - redundant NULL warning.
 598         * call.c (convert_like_real): Restore null_node handling.
 599
 600 2018-01-17  Jason Merrill  <jason@redhat.com>
 601
 602         PR c++/81843 - ICE with variadic member template.
 603         PR c++/72801
 604         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
 605         template args.
 606
 607 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 608
 609         PR c++/83799
 610         * pt.c (type_dependent_expression_p): Strip any location wrapper
 611         before testing tree codes.
 612         (selftest::test_type_dependent_expression_p): New function.
 613         (selftest::cp_pt_c_tests): Call it.
 614
 615 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 616
 617         PR c++/83739
 618         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
 619         this not a final instantiation.
 620
 621 2018-01-16  Jason Merrill  <jason@redhat.com>
 622
 623         PR c++/83714 - ICE checking return in template.
 624         * typeck.c (check_return_expr): Call build_non_dependent_expr.
 625
 626 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
 627
 628         PR c++/83817
 629         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
 630         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
 631         instead of CALL_FROM_THUNK_P.
 632
 633         PR c++/83825
 634         * name-lookup.c (member_vec_dedup): Return early if len is 0.
 635         (resort_type_member_vec, set_class_bindings,
 636         insert_late_enum_def_bindings): Use vec qsort method instead of
 637         calling qsort directly.
 638
 639 2018-01-15  Martin Sebor  <msebor@redhat.com>
 640
 641         PR c++/83588
 642         * class.c (find_flexarrays): Make a record of multiple flexible array
 643         members.
 644
 645 2018-01-12  Jason Merrill  <jason@redhat.com>
 646
 647         PR c++/83186 - ICE with static_cast of list-initialized temporary.
 648         * typeck.c (build_static_cast): Use build_non_dependent_expr.
 649
 650 2018-01-12  Nathan Sidwell  <nathan@acm.org>
 651
 652         * cp-tree.h (mark_rvalue_use): Add parm name.
 653         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
 654         mark_rvalue_use.
 655         * call.c (convert_like_real): Fix formatting.
 656
 657 2018-01-11  Jason Merrill  <jason@redhat.com>
 658
 659         PR c++/82728 - wrong -Wunused-but-set-variable
 660         PR c++/82799
 661         PR c++/83690
 662         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
 663         * decl.c (case_conversion): Likewise.
 664         * semantics.c (finish_static_assert): Call
 665         perform_implicit_conversion_flags.
 666
 667 2018-01-11  Nathan Sidwell  <nathan@acm.org>
 668
 669         * method.c (enum mangling_flags): Delete long-dead enum.
 670
 671 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 672
 673         * parser.c (cp_parser_std_attribute_spec): When
 674         token_pair::require_open / require_close return false simply
 675         return error_mark_node, avoid duplicate cp_parser_error about
 676         expected '(' / ')', respectively.
 677
 678 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
 679
 680         PR c++/43486
 681         * call.c (null_ptr_cst_p): Strip location wrappers when
 682         converting from '0' to a pointer type in C++11 onwards.
 683         (conversion_null_warnings): Replace comparison with null_node with
 684         call to null_node_p.
 685         (build_over_call): Likewise.
 686         * cp-gimplify.c (cp_fold): Remove the early bailout when
 687         processing_template_decl.
 688         * cp-lang.c (selftest::run_cp_tests): Call
 689         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
 690         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
 691         (selftest::run_cp_tests): Move decl to bottom of file.
 692         (null_node_p): New inline function.
 693         (selftest::cp_pt_c_tests): New decl.
 694         (selftest::cp_tree_c_tests): New decl.
 695         * cvt.c (build_expr_type_conversion): Replace comparison with
 696         null_node with call to null_node_p.
 697         * error.c (args_to_string): Likewise.
 698         * except.c (build_throw): Likewise.
 699         * mangle.c (write_expression): Skip location wrapper nodes.
 700         * parser.c (literal_integer_zerop): New function.
 701         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
 702         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
 703         param of cp_parser_parenthesized_expression_list.  When calling
 704         warn_for_memset, replace integer_zerop calls with
 705         literal_integer_zerop, eliminating the double logical negation
 706         cast to bool.  Eliminate the special-casing for CONST_DECL in
 707         favor of the fold_for_warn within warn_for_memset.
 708         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
 709         param, defaulting to false.  Convert "expr" to a cp_expr, and call
 710         maybe_add_location_wrapper on it when wrap_locations_p is true.
 711         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
 712         the result for RID_ALIGNOF and RID_SIZEOF.
 713         (cp_parser_builtin_offsetof): Likewise.
 714         * pt.c: Include "selftest.h".
 715         (tsubst_copy): Handle location wrappers.
 716         (tsubst_copy_and_build): Likewise.
 717         (build_non_dependent_expr): Likewise.
 718         (selftest::test_build_non_dependent_expr): New function.
 719         (selftest::cp_pt_c_tests): New function.
 720         * tree.c: Include "selftest.h".
 721         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
 722         (selftest::test_lvalue_kind): New function.
 723         (selftest::cp_tree_c_tests): New function.
 724         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
 725         (cp_build_binary_op): Replace comparison with null_node with call
 726         to null_node_p.
 727         (build_address): Use location of operand when building address
 728         expression.
 729
 730 2018-01-10  Marek Polacek  <polacek@redhat.com>
 731
 732         PR c++/82541
 733         * call.c (build_conditional_expr_1): Check complain before warning.
 734         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
 735         -Wduplicated-branches.
 736
 737 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
 738
 739         PR c++/81327
 740         * call.c (maybe_warn_class_memaccess): Add forward declaration.
 741         Change last argument from tree * to const vec<tree, va_gc> *, adjust
 742         args uses and check number of operands too.  Don't strip away any
 743         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
 744         Deal with src argument not having pointer type.  Check
 745         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
 746         test.
 747         (build_over_call): Call maybe_warn_class_memaccess here on the
 748         original arguments.
 749         (build_cxx_call): Rather than here on converted arguments.
 750
 751 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 752
 753         PR c++/81055
 754         * init.c (build_vec_init): Avoid building an INIT_EXPR with
 755         error_mark_node as second argument.
 756
 757 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
 758
 759         PR c++/83734
 760         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
 761         in STATEMENT_LIST.  Remove unneeded assert.
 762
 763 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 764             Alan Hayward  <alan.hayward@arm.com>
 765             David Sherwood  <david.sherwood@arm.com>
 766
 767         * constexpr.c (cxx_eval_array_reference): Handle polynomial
 768         VECTOR_CST_NELTS.
 769         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
 770         * call.c (build_conditional_expr_1): Likewise.
 771         * decl.c (cp_finish_decomp): Likewise.
 772         * mangle.c (write_type): Likewise.
 773         * typeck.c (structural_comptypes): Likewise.
 774         (cp_build_binary_op): Likewise.
 775         * typeck2.c (process_init_constructor_array): Likewise.
 776
 777 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 778
 779         PR c++/83555
 780         * typeck.c (build_static_cast_1): For static casts to reference types,
 781         call build_base_path with flag_delete_null_pointer_checks as nonnull
 782         instead of always false.  When -fsanitize=null, call
 783         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
 784         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
 785         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
 786
 787 2018-01-03  Nathan Sidwell  <nathan@acm.org>
 788
 789         PR c++/83667
 790         * method.c (make_alias_for): Copy DECL_CONTEXT.
 791
 792 2018-01-03  Marek Polacek  <polacek@redhat.com>
 793
 794         PR c++/83592
 795         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
 796
 797 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 798
 799         PR preprocessor/83602
 800         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
 801         for builtin macros.
 802
 803         PR c++/83634
 804         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
 805         error_mark_node, return error_mark_node.
 806
 807         Update copyright years.
 808
 809 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
 810
 811         PR c++/83556
 812         * tree.c (replace_placeholders_r): Pass NULL as last argument to
 813         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
 814         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
 815         to false and return.
 816         (replace_placeholders): Pass NULL instead of &pset as last argument
 817         to cp_walk_tree.
 818
 819 2018-01-02  Nathan Sidwell  <nathan@acm.org>
 820
 821         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
 822         lval var.
 823 \f
 824 Copyright (C) 2018 Free Software Foundation, Inc.
 825
 826 Copying and distribution of this file, with or without modification,
 827 are permitted in any medium without royalty provided the copyright
 828 notice and this notice are preserved.