gcc/cp/ChangeLog

   1 2018-03-19  Nathan Sidwell  <nathan@acm.org>
   2
   3         PR c++/84812
   4         * name-lookup.c (set_local_extern_decl_linkage): Defend against
   5         ambiguous lookups.
   6
   7 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR c/84910
  10         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
  11         diagnostics.
  12         * method.c (synthesize_method): Likewise.
  13         * pt.c (convert_nontype_argument): Likewise.
  14
  15 2018-03-16  Jason Merrill  <jason@redhat.com>
  16
  17         PR c++/84720 - ICE with rvalue ref non-type argument.
  18         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
  19         (convert_nontype_argument): Revert earlier change.
  20
  21         PR c++/80227 - SFINAE and negative array size.
  22         * decl.c (compute_array_index_type): Use
  23         build_converted_constant_expr and valid_constant_size_p.
  24
  25         PR c++/84906 - silent wrong code with ambiguous conversion.
  26         * call.c (build_user_type_conversion_1): Set need_temporary_p on
  27         ambiguous conversion.
  28         (convert_like_real): Check it.
  29
  30         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
  31         * call.c (build_special_member_call): Don't convert an init-list
  32         argument directly to the class type.
  33
  34 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
  35
  36         PR c++/79937
  37         PR c++/82410
  38         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
  39         (find_placeholder): Declare.
  40         * tree.c (struct replace_placeholders_t): Add exp member.
  41         (replace_placeholders_r): Don't walk into ctors with
  42         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
  43         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
  44         (replace_placeholders): Initialize data.exp.
  45         (find_placeholders_r, find_placeholders): New functions.
  46         * typeck2.c (process_init_constructor_record,
  47         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
  48         if adding NSDMI on which find_placeholder returns true.
  49         * call.c (build_over_call): Don't call replace_placeholders here.
  50         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
  51         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
  52         TARGET_EXPR_INITIAL.
  53         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
  54         ctor.
  55
  56 2018-03-16  Jason Merrill  <jason@redhat.com>
  57
  58         PR c++/83911 - ICE with multiversioned constructor.
  59         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
  60         dispatchere here.
  61         * call.c (build_over_call): Not here.
  62
  63 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
  64
  65         PR c++/84874
  66         * decl.c (reshape_init_class): Don't assert d->cur->index == field
  67         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
  68
  69 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
  70
  71         PR c++/84222
  72         * cp-tree.h (cp_warn_deprecated_use): Declare.
  73         * tree.c (cp_warn_deprecated_use): New function.
  74         * typeck2.c (build_functional_cast): Use it.
  75         * decl.c (grokparms): Likewise.
  76         (grokdeclarator): Likewise.  Temporarily push nested class scope
  77         around grokparms call for out of class member definitions.
  78
  79 2018-03-14  Jason Merrill  <jason@redhat.com>
  80
  81         PR c++/84820 - no error for invalid qualified-id.
  82         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
  83         cp_error_declarator.
  84
  85         PR c++/84801 - ICE with unexpanded pack in lambda.
  86         * pt.c (check_for_bare_parameter_packs): Don't return early for a
  87         lambda in non-template context.
  88
  89         PR c++/81236 - auto variable and auto function
  90         * pt.c (tsubst_baselink): Update the type of the BASELINK after
  91         mark_used.
  92
  93 2018-03-14  Jason Merrill  <jason@redhat.com>
  94
  95         PR c++/83916 - ICE with template template parameters.
  96         * pt.c (convert_template_argument): Don't substitute into type of
  97         non-type parameter if we don't have enough arg levels.
  98         (unify): Likewise.
  99
 100 2018-03-14  Marek Polacek  <polacek@redhat.com>
 101
 102         PR c++/84596
 103         * semantics.c (finish_static_assert): Check
 104         instantiation_dependent_expression_p instead of
 105         {type,value}_dependent_expression_p.
 106
 107 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
 108             Jason Merrill  <jason@redhat.com>
 109
 110         PR c++/82336 - link error with list-init default argument.
 111         * decl.c (check_default_argument): Unshare an initializer list.
 112
 113 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
 114
 115         PR c++/84843
 116         * decl.c (duplicate_decls): For redefinition of built-in, use error
 117         and return error_mark_node.  For redeclaration, return error_mark_node
 118         rather than olddecl if !flag_permissive.
 119
 120 2018-03-13  Jason Merrill  <jason@redhat.com>
 121
 122         PR c++/82565 - ICE with concepts and generic lambda.
 123         * pt.c (instantiate_decl): Clear fn_context for lambdas.
 124
 125 2018-03-13  Jason Merrill  <jason@redhat.com>
 126
 127         PR c++/84720 - ICE with rvalue ref non-type argument.
 128         * pt.c (convert_nontype_argument): Handle rvalue references.
 129
 130         PR c++/84839 - ICE with decltype of parameter pack.
 131         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
 132         instantiating dummy parms.
 133
 134         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
 135         parameter even without -Wpedantic.
 136
 137         PR c++/84798 - ICE with auto in abstract function declarator.
 138         * parser.c (cp_parser_parameter_declaration_clause): Check
 139         parser->default_arg_ok_p.
 140
 141 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
 142
 143         PR c++/84808
 144         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
 145         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
 146         sizetype.  Formatting fixes.
 147
 148 2018-03-12  Jason Merrill  <jason@redhat.com>
 149
 150         PR c++/84355 - ICE with deduction for member class template.
 151         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
 152         CLASS_PLACEHOLDER_TEMPLATE.
 153
 154         PR c++/84802 - ICE capturing uninstantiated class.
 155         * lambda.c (build_capture_proxy): Call complete_type.
 156
 157 2018-03-09  Jason Merrill  <jason@redhat.com>
 158
 159         PR c++/84770 - ICE with typedef and parameter pack.
 160         * pt.c (verify_unstripped_args_1): Split out from
 161         verify_unstripped_args.
 162
 163         PR c++/84785 - ICE with alias template and default targs.
 164         * pt.c (type_unification_real): Set processing_template_decl if
 165         saw_undeduced == 1.
 166
 167         PR c++/84752 - ICE with capture of constexpr array.
 168         * call.c (standard_conversion): Set rvaluedness_matches_p on the
 169         identity conversion under ck_lvalue.
 170
 171 2018-03-09  Jason Merrill  <jason@redhat.com>
 172             Paolo Carlini  <paolo.carlini@oracle.com>
 173
 174         PR c++/71169
 175         PR c++/71832
 176         * pt.c (any_erroneous_template_args_p): New.
 177         * cp-tree.h (any_erroneous_template_args_p): Declare it.
 178         * parser.c (cp_parser_class_specifier_1): Use it.
 179
 180 2018-03-09  Jason Merrill  <jason@redhat.com>
 181
 182         PR c++/84726 - unnecessary capture of constant vars.
 183         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
 184         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
 185         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
 186         * lambda.c (is_constant_capture_proxy)
 187         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
 188         (prune_lambda_captures): New.
 189         (finish_lambda_function): Call prune_lambda_captures.
 190
 191 2018-03-09  Jason Merrill  <jason@redhat.com>
 192             Jakub Jelinek  <jakub@redhat.com>
 193
 194         PR c++/84076
 195         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
 196         build ADDR_EXPR with REFERENCE_TYPE.
 197         (build_over_call): For purposes of check_function_arguments, if
 198         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
 199         its operand rather than the argument itself.
 200
 201 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
 202
 203         PR c++/84724
 204         * decl.c (duplicate_decls): Don't override __* prefixed builtins
 205         except for __[^b]*_chk, instead issue permerror and for -fpermissive
 206         also a note and return olddecl.
 207
 208 2018-03-09  Nathan Sidwell  <nathan@acm.org>
 209
 210         PR c++/84733
 211         * name-lookup.c (do_pushdecl_with_scope): Only clear
 212         current_function_decl when pushing a non-class (i.e. namespace)
 213         scope.
 214
 215 2018-03-08  Jason Merrill  <jason@redhat.com>
 216             Jakub Jelinek  <jakub@redhat.com>
 217
 218         PR c++/80598
 219         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
 220         not calling mark_used for the benefit of -Wunused-function warning.
 221
 222 2018-03-06  Jason Merrill  <jason@redhat.com>
 223
 224         * lambda.c (is_capture_proxy_with_ref): Remove.
 225         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
 226
 227 2018-03-06  Marek Polacek  <polacek@redhat.com>
 228
 229         PR c++/84684
 230         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
 231         arguments.
 232
 233 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
 234
 235         PR c++/84231
 236         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
 237         only while processing template decls.
 238         * typeck.c (build_x_conditional_expr): Move wrapping of
 239         reference type around type...
 240         * call.c (build_conditional_expr_1): ... here.  Rename
 241         is_lvalue to is_glvalue.
 242         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
 243         INDIRECT_REF of COND_EXPR too.
 244
 245         PR c++/84593
 246         * init.c (build_zero_init_1): Zero-initialize references.
 247
 248         PR c++/84492
 249         * semantics.c (finish_stmt_expr_expr): Reject unresolved
 250         overloads used as stmt expr values.
 251
 252 2018-03-05  Jason Merrill  <jason@redhat.com>
 253
 254         PR c++/84708 - ICE with lambda in local class NSDMI.
 255         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
 256         context.
 257
 258 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
 259
 260         PR c++/84684
 261         * constexpr.c (constexpr_call_hasher::equal): Return false if
 262         lhs->hash != rhs->hash.  Change return 1 to return true and
 263         return 0 to return false.
 264
 265 2018-03-05  Nathan Sidwell  <nathan@acm.org>
 266
 267         PR c++/84702
 268         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
 269
 270 2018-03-05  Marek Polacek  <polacek@redhat.com>
 271
 272         PR c++/84707
 273         * decl.c (duplicate_decls): Check DECL_NAME before accessing
 274         UDLIT_OPER_P.
 275
 276 2018-03-05  Nathan Sidwell  <nathan@acm.org>
 277
 278         PR c++/84694
 279         * friend.c (do_friend): Restore check for identifier_p inside
 280         TEMPLATE_ID_EXPR.
 281
 282 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
 283
 284         PR c++/84618
 285         * parser.c (cp_parser_lambda_introducer): Reject any capture not
 286         involving a VAR_DECL or a PARM_DECL.
 287
 288 2018-03-05  Pádraig Brady  <P@draigBrady.com>
 289             Jason  Merrill  <jason@redhat.com>
 290             Nathan Sidwell  <nathan@acm.org>
 291
 292         PR c++/84497
 293         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
 294
 295 2018-03-03  Jason Merrill  <jason@redhat.com>
 296
 297         PR c++/84686 - missing volatile loads.
 298         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
 299
 300 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
 301
 302         PR c++/71464
 303         * optimize.c (maybe_thunk_body): Bail out immediately if either
 304         fns[0] or fns[1] is null.
 305
 306 2018-03-02  Marek Polacek  <polacek@redhat.com>
 307
 308         PR c++/84578
 309         * constexpr.c (get_array_or_vector_nelts): New.
 310         (cxx_eval_array_reference): Use it.
 311         (cxx_eval_vec_init_1): Likewise.
 312         (cxx_eval_store_expression): Likewise.
 313
 314 2018-03-02  Jason Merrill  <jason@redhat.com>
 315
 316         * semantics.c (force_paren_expr): Remove redundant test.
 317
 318 2018-03-02  Marek Polacek  <polacek@redhat.com>
 319
 320         PR c++/84663
 321         * decl.c (cp_complete_array_type): Check error_mark_node.
 322
 323         PR c++/84664
 324         * typeck.c (cp_perform_integral_promotions): Check the result of
 325         mark_rvalue_use.
 326
 327 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
 328
 329         PR c++/84662
 330         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
 331         RETURN instead of return.
 332         <case POINTER_PLUS_EXPR>: Likewise.
 333         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
 334         it instead of wrapping it into CONVERT_EXPR.
 335
 336 2018-03-02  Jason Merrill  <jason@redhat.com>
 337
 338         Fix MIPS16 ICE.
 339         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
 340
 341 2018-03-02  Marek Polacek  <polacek@redhat.com>
 342
 343         PR c++/84590
 344         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
 345         wrapped in VIEW_CONVERT_EXPR.
 346
 347 2018-03-01  Martin Sebor  <msebor@redhat.com>
 348
 349         PR c++/84294
 350         * decl.c (check_redeclaration_no_default_args): Merge attributes
 351         specified on redeclarations of the same function template.
 352         Remove dead code.
 353
 354 2018-03-01  Marek Polacek  <polacek@redhat.com>
 355             Jason Merrill  <jason@redhat.com>
 356
 357         PR c++/84582
 358         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
 359         a template.
 360         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
 361         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
 362         of instantiate_non_dependent_expr.
 363         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
 364
 365 2018-03-01  Nathan Sidwell  <nathan@acm.org>
 366
 367         PR c++/84434
 368         * name-lookup.c (member_vec_dedup): Remove manually peeled
 369         iteration.  Ignore dependent ctor inheritance.
 370
 371 2018-03-01  Jason Merrill  <jason@redhat.com>
 372
 373         PR c++/71569 - decltype of template.
 374         * parser.c (cp_parser_decltype_expr): Handle missing template args.
 375
 376 2018-03-01  Marek Polacek  <polacek@redhat.com>
 377
 378         PR c++/84596
 379         * constexpr.c (require_rvalue_constant_expression): New function.
 380         * cp-tree.h: Declare it.
 381         * semantics.c (finish_static_assert): Use it instead of
 382         require_potential_rvalue_constant_expression.
 383
 384 2018-03-01  Jason Merrill  <jason@redhat.com>
 385             Alexandre Oliva <aoliva@redhat.com>
 386
 387         PR c++/71569 - ICE with redundant args on member variable template.
 388         * decl.c (start_decl): Handle partial specialization of member
 389         variable template.
 390         * pt.c (determine_specialization): Allow partial specialization
 391         of member variable template without specializing enclosing class.
 392         (process_partial_specialization): Improve error message.
 393
 394 2018-02-28  Jason Merrill  <jason@redhat.com>
 395
 396         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
 397         * pt.c (determine_specialization): Check ref-qualifier.
 398
 399 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
 400
 401         PR c++/84609
 402         * parser.c (cp_parser_attributes_opt): Formatting fix.
 403         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
 404         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
 405         New functions.
 406         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
 407         instead of tentative parse to peek over optional attribute tokens
 408         to check for CPP_COLON after them.
 409
 410         PR c++/83871
 411         PR c++/83503
 412         * pt.c (INCLUDE_STRING): Remove define.
 413         (warn_spec_missing_attributes): Use pretty_printer instead of
 414         std::string.  Fix up inform call so that the list of attributes
 415         is in %s argument.
 416
 417 2018-02-28  Martin Sebor  <msebor@redhat.com>
 418
 419         PR testsuite/84617
 420         * decl.c (duplicate_decls): Fully merge attributes const, pure,
 421         and malloc.
 422
 423 2018-02-28  Nathan Sidwell  <nathan@acm.org>
 424
 425         PR c++/84602
 426         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
 427         * name-lookup.c (fields_linear_search): Look in an anon-aggr
 428         regardless of want_type.
 429         (search_anon_aggr): Just use get_class_binding_direct.
 430
 431 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
 432
 433         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
 434         inform_n.
 435
 436 2018-02-27  Martin Sebor  <msebor@redhat.com>
 437
 438         * pt.c: Avoid including <string> directly.
 439
 440 2018-02-27  Martin Sebor  <msebor@redhat.com>
 441
 442         PR c++/83871
 443         PR c++/83503
 444         * cp-tree.h (warn_spec_missing_attributes): New function.
 445         ((check_explicit_specialization): Add an argument.  Call the above
 446         function.
 447         * decl.c (duplicate_decls): Avoid applying primary function template's
 448         attributes to its explicit specializations.
 449         cp/pt.c (warn_spec_missing_attributes): Define.
 450
 451 2018-02-27  Håkon Sandsmark  <hsandsmark@gmail.com>
 452
 453         PR c++/71546 - lambda init-capture with qualified-id.
 454         * parser.c (cp_parser_lambda_introducer): Clear scope after
 455         each lambda capture.
 456
 457 2018-02-27  Nathan Sidwell  <nathan@acm.org>
 458
 459         PR c++/84426
 460         * name-lookup.h (get_member_slot): Rename ...
 461         (find_member_slot): ... here.
 462         (add_member_slot): New.
 463         * name-lookup.c (member_vec_linear_search): No need to check for
 464         NULL slot.
 465         (get_member_slot): Rename ...
 466         (find_member_slot): ... here.  Don't add slot for incomplete class.
 467         (add_member_slot): New.
 468         * class.c (add_method): Adjust get_member_slot rename.  Bail out
 469         if push_class_level_binding fails.  Create slot and grok
 470         properties once we're committed to insertion.
 471
 472 2018-02-27  Jason Merrill  <jason@redhat.com>
 473
 474         PR c++/84489 - dependent default template argument
 475         * pt.c (type_unification_real): Handle early substitution failure.
 476
 477 2018-02-26  Jason Merrill  <jason@redhat.com>
 478
 479         PR c++/84560 - ICE capturing multi-dimensional VLA.
 480         * tree.c (array_of_runtime_bound_p): False if the element is
 481         variably-modified.
 482
 483         PR c++/84441 - ICE with base initialized from ?:
 484         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
 485
 486         PR c++/84520 - ICE with generic lambda in NSDMI.
 487         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
 488         'this' in a generic lambda instantiation.
 489
 490         PR c++/84559 - ICE with constexpr VLA.
 491         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
 492         for constexpr variable with VLA type.
 493
 494 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
 495
 496         PR c++/84558
 497         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
 498         a valid constant initializer.  Formatting fixes.
 499
 500 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
 501
 502         PR c++/84540
 503         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
 504         returning NULL_TREE.
 505         (apply_late_template_attributes): Likewise.
 506
 507 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
 508
 509         PR c++/84557
 510         * parser.c (cp_parser_omp_var_list_no_open): Only call
 511         cp_parser_lookup_name_simple on names satisfying identifier_p.
 512         (cp_parser_oacc_routine): Likewise.
 513
 514 2018-02-26  Jason Merrill  <jason@redhat.com>
 515
 516         PR c++/84551 - ICE with concepts and -g.
 517         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
 518
 519 2018-02-26  Marek Polacek  <polacek@redhat.com>
 520
 521         PR c++/84325
 522         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
 523         non-types.
 524
 525 2018-02-26  Jason Merrill  <jason@redhat.com>
 526
 527         PR c++/84447 - ICE with deleted inherited ctor with default arg.
 528         * call.c (build_over_call): Handle deleted functions in one place.
 529
 530 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
 531
 532         PR c++/84533
 533         * decl.c (redeclaration_error_message): Don't try to use
 534         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
 535
 536 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
 537
 538         * lambda.c (build_capture_proxy): Define static.
 539         * cp-tree.h (build_capture_proxy): Remove.
 540
 541 2018-02-26  Marek Polacek  <polacek@redhat.com>
 542
 543         PR c++/84537
 544         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
 545         if name is error node.
 546
 547 2018-02-25  Jason Merrill  <jason@redhat.com>
 548
 549         PR c++/84015 - ICE with class deduction and auto template parm.
 550         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
 551
 552 2018-02-24  Marek Polacek  <polacek@redhat.com>
 553
 554         PR c++/83692
 555         * constexpr.c (maybe_constant_init_1): New function.
 556         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
 557         (cxx_constant_init): New function.
 558         * cp-tree.h (cxx_constant_init): Declare.
 559         * typeck2.c (store_init_value): Call cxx_constant_init instead of
 560         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
 561
 562 2018-02-22  Jason Merrill  <jason@redhat.com>
 563
 564         PR c++/70468 - ICE with constructor delegation via typedef.
 565         * pt.c (tsubst_initializer_list): Check for other mem-initializers
 566         with constructor delegation.
 567
 568 2018-02-22  Jason Merrill  <jason@redhat.com>
 569
 570         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
 571         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
 572         VECTOR_TYPE.
 573
 574 2018-02-22  Marek Polacek  <polacek@redhat.com>
 575
 576         PR c++/84493
 577         * parser.c (cp_parser_braced_list): Use require_open instead of
 578         consume_open.
 579
 580 2018-02-21  Jason Merrill  <jason@redhat.com>
 581
 582         PR c++/84454 - ICE with pack expansion in signature.
 583         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
 584
 585 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
 586
 587         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
 588         IF_STMT.
 589
 590 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
 591
 592         PR c++/84446
 593         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
 594         on error_mark_node.
 595
 596 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
 597
 598         PR c++/84445
 599         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
 600         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
 601
 602         PR c++/84449
 603         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
 604         returns error_mark_node, return it immediately.
 605         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
 606         error_mark_node, return error_mark_node.
 607
 608         PR c++/84455
 609         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
 610         function_depth to avoid GC during finish_lambda_function.
 611
 612 2018-02-19  Jason Merrill  <jason@redhat.com>
 613
 614         PR c++/84429 - ICE capturing VLA.
 615         * lambda.c (build_capture_proxy): Handle reference refs.
 616
 617 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
 618
 619         PR c++/84448
 620         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
 621         either operand is error_mark_node, set current.lhs to that instead of
 622         creating a binary op with error_mark_node operands.
 623
 624         PR c++/84430
 625         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
 626
 627 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
 628
 629         PR c++/84348
 630         * decl.c (grokdeclarator): Early return error_mark_node upon
 631         ill-formed friend declaration.
 632
 633 2018-02-16  Marek Polacek  <polacek@redhat.com>
 634             Jakub Jelinek  <jakub@redhat.com>
 635
 636         PR c++/84192
 637         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
 638         set *jump_target to anything if jump_target is NULL.
 639
 640 2018-02-16  Jason Merrill  <jason@redhat.com>
 641
 642         PR c++/84151 - unnecessary volatile load with static member.
 643         * call.c (build_new_method_call_1): Avoid loading from a volatile
 644         lvalue used as the object argument for a static member function.
 645
 646         PR c++/81853 - using-directive and constexpr.
 647         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
 648
 649         PR c++/84420 - ICE with structured binding in lambda.
 650         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
 651
 652         PR c++/83835 - C++17 error with constructor ctors.
 653         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
 654
 655         PR c++/82664 - ICE with reference to function template parm.
 656         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
 657         NOP_EXPRs.
 658
 659         PR c++/82764 - C++17 ICE with empty base
 660         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
 661
 662 2018-02-16  Jason Merrill  <jason@redhat.com>
 663
 664         PR c++/84421 - type-dependent if constexpr
 665         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
 666
 667 2018-02-16  Nathan Sidwell  <nathan@acm.org>
 668
 669         Deprecate -ffriend-injection.
 670         * decl.c (cxx_init_decl_processing): Emit warning on option.
 671         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
 672         friend.
 673
 674 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
 675
 676         PR c++/82468
 677         * decl.c (check_special_function_return_type): Reject template
 678         template parameter in deduction guide.
 679
 680 2018-02-16  Nathan Sidwell  <nathan@acm.org>
 681
 682         PR c++/84375
 683         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
 684
 685 2018-02-15  Jason Merrill  <jason@redhat.com>
 686
 687         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
 688         * call.c (convert_like_real): Don't use the copy-list-initialization
 689         shortcut for ck_base.
 690
 691         PR c++/84045 - ICE with typedef and noexcept.
 692         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
 693
 694         PR c++/84376 - ICE with omitted template arguments.
 695         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
 696
 697         PR c++/84368 - wrong error with local variable in variadic lambda.
 698         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
 699         local_specializations.
 700
 701 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
 702
 703         PR c++/84330
 704         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
 705         as first argument.
 706
 707 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
 708
 709         PR c++/84350
 710         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
 711         init, early return.
 712
 713 2018-02-14  Nathan Sidwell  <nathan@acm.org>
 714
 715         * decl2.c (mark_vtable_entries): Set input_location to decl's.
 716         (c_parse_final_cleanups): Restore input_location after emitting
 717         vtables.
 718
 719 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
 720
 721         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
 722         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
 723         auto_deduction_context, tree, int): Add defaults.
 724         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
 725         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
 726         tsubst_flags_t argument.
 727         * init.c (build_new): Likewise.
 728
 729 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
 730
 731         PR c++/84364
 732         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
 733         about return other than *this in assignment operators if
 734         retval is type dependent expression.
 735
 736 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
 737
 738         PR c++/84333
 739         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
 740         save_expr for the G++ extension.
 741
 742 2018-02-13  Jason Merrill  <jason@redhat.com>
 743
 744         PR c++/84080 - ICE with return type deduction and specialization.
 745         * pt.c (determine_specialization): Check uses_template_parms.
 746
 747         Fix more variadic capture issues.
 748         * pt.c (find_parameter_packs_r): Also look at explicit captures.
 749         (check_for_bare_parameter_packs): Check current_class_type for
 750         lambda context.
 751         (extract_locals_r): Handle seeing a full instantiation of a pack.
 752         (tsubst_pack_expansion): Likewise.  Force lambda capture.
 753         * parser.c (cp_parser_lambda_introducer): Don't
 754         check_for_bare_parameter_packs.
 755
 756         PR c++/84338 - wrong variadic sizeof.
 757         * pt.c (argument_pack_select_arg): Like the macro, but look through
 758         a pack expansion.
 759         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
 760         (extract_fnparm_pack): Do make_pack_expansion.
 761         (extract_locals_r): Do strip a pack expansion.
 762         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
 763
 764 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
 765
 766         PR c++/84341
 767         * parser.c (cp_parser_binary_expression): Use build_min instead of
 768         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
 769
 770 2018-02-12  Nathan Sidwell  <nathan@acm.org>
 771
 772         PR c++/84263
 773         * parser.c (cp_parser_decltype): Push and pop
 774         deferring_access_checks.  Reorganize to avoid goto.
 775
 776 2018-02-12  Richard Biener  <rguenther@suse.de>
 777
 778         PR c++/84281
 779         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
 780         uniform constructors and delay allocating them fully.
 781
 782 2018-02-09  Jason Merrill  <jason@redhat.com>
 783
 784         PR c++/84036 - ICE with variadic capture.
 785         Handle variadic capture proxies more like non-variadic.
 786         * lambda.c (build_capture_proxy): Remove workaround.
 787         * pt.c (find_parameter_packs_r): The proxy is a pack.
 788         (instantiate_class_template_1): Remove dead lambda code.
 789         (extract_fnparm_pack): Don't make_pack_expansion.
 790         (extract_locals_r): Don't strip a pack expansion.
 791         (tsubst_pack_expansion): Handle proxy packs.  Use
 792         PACK_EXPANSION_EXTRA_ARGS less.
 793         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
 794         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
 795         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
 796         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
 797         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
 798
 799 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
 800
 801         PR sanitizer/83987
 802         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
 803
 804 2018-02-09  Jason Merrill  <jason@redhat.com>
 805
 806         PR c++/81917 - ICE with void_t and partial specialization.
 807         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
 808         calling most_specialized_partial_spec.
 809
 810 2018-02-09  Nathan Sidwell  <nathan@acm.org>
 811
 812         PR c/84293
 813         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
 814         Pass expr location to strict_aliasing_warning.
 815
 816 2018-02-09  Jason Merrill  <jason@redhat.com>
 817
 818         PR c++/84296 - ICE with qualified-id in template.
 819         PR c++/83714
 820         * pt.c (unknown_base_ref_p): New.
 821         (instantiation_dependent_scope_ref_p): Use it instead of
 822         any_dependent_bases_p.
 823
 824 2018-02-09  Marek Polacek  <polacek@redhat.com>
 825             Jakub Jelinek  <jakub@redhat.com>
 826
 827         PR c++/83659
 828         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
 829         fold_indirect_ref_1, including poly_*int64.  Verify first that
 830         tree_fits_poly_int64_p (op01).  Formatting fixes.
 831
 832 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 833
 834         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
 835         * lambda.c (build_capture_proxy): Likewise.
 836         * search.c (field_access_p): Likewise.
 837         * semantics.c (omp_clause_decl, omp_privatize_field,
 838         finish_omp_clauses): Likewise.
 839
 840 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 841
 842         PR c++/83806
 843         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
 844         case of nullptr too.
 845
 846 2018-02-08  Nathan Sidwell  <nathan@acm.org>
 847
 848         * class.c (finish_struct): Fix std:initializer_list diagnostic
 849         formatting.
 850
 851 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
 852
 853         PR c++/83204
 854         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
 855
 856 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
 857
 858         PR c++/84082
 859         * parser.c (cp_parser_dot_deref_incomplete): New function.
 860         (cp_parser_postfix_dot_deref_expression): Use it.
 861
 862 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
 863
 864         PR c++/81610
 865         PR c++/80567
 866         * name-lookup.c (suggest_rid_p): New function.
 867         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
 868         suggest_rid_p.
 869
 870 2018-02-07  Jason Merrill  <jason@redhat.com>
 871
 872         PR c++/84182 - ICE with captured lambda
 873         PR c++/84181
 874         * pt.c (extract_locals_r, extract_local_specs): New.
 875         (tsubst_pack_expansion): Use them.
 876
 877 2018-02-07  Martin Liska  <mliska@suse.cz>
 878
 879         PR c++/84059.
 880         * class.c (add_method): Append argument value.
 881         * cp-tree.h (maybe_version_functions): Add new argument.
 882         * decl.c (decls_match): Call it if a declaration does not
 883         have DECL_FUNCTION_VERSIONED.
 884         (maybe_version_functions): record argument is added.
 885
 886 2018-02-05  Marek Polacek  <polacek@redhat.com>
 887
 888         * class.c: Remove unused global variables.
 889         (build_primary_vtable): Don't gather statistics.
 890         (print_class_statistics): Remove.
 891         * cp-tree.h (print_class_statistics): Remove.
 892         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
 893
 894 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
 895
 896         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
 897         * constexpr.c (cx_check_missing_mem_inits): Likewise.
 898         * decl.c (next_initializable_field, find_decomp_class_base,
 899         cp_finish_decomp): Likewise.
 900         * typeck2.c (process_init_constructor_record): Likewise.
 901
 902 2018-02-02  Jason Merrill  <jason@redhat.com>
 903
 904         PR c++/84181 - ICE with lambda parm in template argument.
 905         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
 906
 907 2018-02-01  Jason Merrill  <jason@redhat.com>
 908
 909         PR c++/84160 - ICE with nested variadic capture.
 910         * lambda.c (is_capture_proxy_with_ref): New.
 911         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
 912         COMPONENT_REF.
 913         * expr.c (mark_use): Use is_capture_proxy_with_ref.
 914         * constexpr.c (potential_constant_expression_1): Likewise.
 915         * semantics.c (process_outer_var_ref): Likewise.
 916
 917 2018-02-01  Marek Polacek  <polacek@redhat.com>
 918
 919         PR c++/84125
 920         * typeck.c (build_address): Relax the assert when
 921         processing_template_decl.
 922
 923 2018-02-01  Jason Merrill  <jason@redhat.com>
 924
 925         PR c++/84126 - ICE with variadic generic lambda
 926         PR c++/84036
 927         PR c++/82249
 928         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
 929         PACK_EXPANSION_EXTRA_ARGS.
 930
 931 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
 932
 933         PR c++/83796
 934         * call.c (convert_like_real): If w're initializing from {} explicitly
 935         call abstract_virtuals_error_sfinae.
 936
 937 2018-01-31  Jason Merrill  <jason@redhat.com>
 938             Jakub Jelinek  <jakub@redhat.com>
 939
 940         PR c++/83993
 941         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
 942         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
 943         on ADDR_EXPR.
 944
 945 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
 946
 947         PR c++/83993
 948         * constexpr.c (diag_array_subscript): Emit different diagnostics
 949         if TYPE_DOMAIN (arraytype) is NULL.
 950         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
 951         with NULL TYPE_DOMAIN use size_zero_node as nelts.
 952
 953 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
 954
 955         PR c++/84092
 956         * semantics.c (finish_qualified_id_expr): When handling an
 957         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
 958
 959 2018-01-31  Marek Polacek  <polacek@redhat.com>
 960
 961         PR c++/84138
 962         * cp-gimplify.c (cp_fold): Check if X is an error node before
 963         calling useless_type_conversion_p.
 964
 965 2018-01-30  Jason Merrill  <jason@redhat.com>
 966
 967         PR c++/84091 - ICE with local class in lambda in template.
 968         * decl2.c (determine_visibility): Look for outer containing template
 969         instantiation.
 970
 971         PR c++/84098 - ICE with lambda in template NSDMI.
 972         * pt.c (instantiate_class_template_1): Ignore more lambdas.
 973
 974 2018-01-29  Jason Merrill  <jason@redhat.com>
 975
 976         PR c++/68810 - wrong location for reinterpret_cast error.
 977         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
 978         !dofold.
 979
 980 2018-01-29  Marek Polacek  <polacek@redhat.com>
 981
 982         PR c++/83996
 983         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
 984         => fooarray[1] in offset_int.
 985
 986 2018-01-29  Jason Merrill  <jason@redhat.com>
 987
 988         PR c++/83942 - wrong unused warning with static_cast.
 989         * cvt.c (ocp_convert): Call mark_rvalue_use.
 990
 991 2018-01-26  Jason Merrill  <jason@redhat.com>
 992
 993         PR c++/83956 - wrong dtor error with anonymous union
 994         * method.c (walk_field_subobs): Variant members only affect
 995         deletedness.
 996         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
 997
 998         PR c++/84036 - ICE with variadic capture.
 999         PR c++/82249
1000         * pt.c (tsubst_pack_expansion): When optimizing a simple
1001         substitution, pull a single pack expansion out of its pack.
1002
1003         PR c++/82514 - ICE with local class in generic lambda.
1004         * pt.c (regenerated_lambda_fn_p): Remove.
1005         (enclosing_instantiation_of): Don't use it.
1006         (tsubst_function_decl): Call enclosing_instantiation_of.
1007
1008         * pt.c (lookup_template_class_1): Add sanity check.
1009         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
1010
1011 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
1012
1013         PR c++/84031
1014         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
1015         recursive calls that return ret.
1016         (cp_finish_decomp): Ignore unnamed bitfields.
1017
1018 2018-01-23  Jason Merrill  <jason@redhat.com>
1019
1020         PR c++/82249 - wrong mismatched pack length error.
1021         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
1022         unsubstituted function parameter pack.
1023
1024 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
1025
1026         PR c++/83921
1027         * decl.c (check_for_uninitialized_const_var): Not static; add
1028         bool and tsubst_flags_t parameters; adjust to be used both in
1029         constexpr context and not.
1030         * constexpr.c (potential_constant_expression_1): Use the above.
1031         * cp-tree.h (check_for_uninitialized_const_var): Declare.
1032
1033 2018-01-23  Jason Merrill  <jason@redhat.com>
1034
1035         PR c++/83947 - ICE with auto declarations.
1036         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
1037         * decl.c (undeduced_auto_decl): Limit to vars and fns.
1038
1039 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
1040
1041         PR c++/83974
1042         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
1043         for pointer to member function types.
1044
1045 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
1046
1047         PR sanitizer/83987
1048         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
1049         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
1050
1051 2018-01-23  Nathan Sidwell  <nathan@acm.org>
1052
1053         PR c++/83988
1054         * pt.c (tsubst_baselink): Remove optype assert.
1055         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
1056
1057 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR c++/83958
1060         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
1061         refers to incomplete type.
1062
1063 2018-01-23  Nathan Sidwell  <nathan@acm.org>
1064
1065         Deprecate ARM-era for scope handling
1066         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
1067         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
1068         cleared.
1069         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
1070         cleanup handling.
1071         * semantics.c (begin_for_scope): Flag_new_for_scope is
1072         boolean-like.
1073         (finish_for_stmt, begin_range_for_stmt): Likewise.
1074
1075 2018-01-22  Jason Merrill  <jason@redhat.com>
1076
1077         PR c++/83720
1078         * decl2.c (determine_visibility): Fix template_decl handling
1079         instead of blocking it.
1080
1081         PR c++/83720 - ICE with lambda and LTO.
1082         * decl2.c (determine_visibility): Clear template_decl for
1083         function-scope decls.  Propagate anonymous linkage from containing
1084         function.
1085
1086 2018-01-22  Marek Polacek  <polacek@redhat.com>
1087
1088         PR c++/81933
1089         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
1090         split out anything.
1091
1092 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
1093
1094         PR c++/83895
1095         * decl.c (grokdeclarator): Don't diagnose extra parens
1096         on typedefs.
1097
1098 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
1099
1100         PR c++/81167
1101         * call.c (joust): Use TREE_TYPE (source) if source is
1102         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
1103
1104         PR c++/83919
1105         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
1106         for direct enum init.
1107         * decl.c (reshape_init): Likewise.
1108
1109 2018-01-19  Marek Polacek  <polacek@redhat.com>
1110
1111         * constexpr.c (fold_simple): Simplify.
1112
1113 2018-01-18  Jason Merrill  <jason@redhat.com>
1114
1115         PR c++/83714
1116         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
1117         * pt.c (instantiation_dependent_scope_ref_p): True if
1118         any_dependent_bases_p.
1119
1120 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
1121
1122         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
1123         vs DECL_NONTRIVIALLY_INITIALIZED_P).
1124
1125 2018-01-18  Jason Merrill  <jason@redhat.com>
1126
1127         PR c++/82461 - constexpr list-initialized member
1128         * constexpr.c (potential_constant_expression_1): Check
1129         TARGET_EXPR_DIRECT_INIT_P.
1130
1131 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
1132
1133         PR c++/81013
1134         * decl.c (xref_basetypes): Early return upon error about derived
1135         union.
1136
1137 2018-01-18  Nathan Sidwell  <nathan@acm.org>
1138
1139         PR c++/83160
1140         * cp-tree.h (mark_use): Declare.
1141         * expr.c (mark_use): Make extern.
1142         * call.c (direct_reference_binding): Set inner conv's
1143         rvaluedness_matches_p, if it is an identity.
1144         (convert_like_real): Mark lvalue or rvalue use for identity as
1145         rvaledness_matches_p demands.
1146
1147 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
1148
1149         PR c++/83824
1150         * parser.c (attr_chainon): New function.
1151         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
1152         cp_parser_namespace_definition, cp_parser_init_declarator,
1153         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
1154         cp_parser_gnu_attributes_opt): Use it.
1155         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
1156         cp_parser_objc_struct_declaration): Likewise.  Don't reset
1157         prefix_attributes if attributes is error_mark_node.
1158
1159 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
1160
1161         PR c++/78344
1162         * decl.c (grokdeclarator): Do not append the error_mark_node
1163         due to an erroneous optional attribute-specifier-seq.
1164
1165 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
1166
1167         PR c++/83897
1168         * cp-gimplify.c (cp_maybe_instrument_return): Handle
1169         CLEANUP_POINT_EXPR.
1170
1171 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
1172
1173         PR c++/81054
1174         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
1175         error_mark_node when we give an error.
1176         * decl.c (cp_finish_decl): Use the latter.
1177
1178 2018-01-17  Nathan Sidwell  <nathan@acm.org>
1179
1180         PR c++/83287
1181         * init.c (build_raw_new_expr): Scan list for lookups to keep.
1182
1183 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
1184
1185         PR c++/83814
1186         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
1187         the C++ part.  If processing a template, call
1188         fold_non_dependent_expr rather than fully folding.
1189
1190 2018-01-17  Jason Merrill  <jason@redhat.com>
1191
1192         PR c++/81067 - redundant NULL warning.
1193         * call.c (convert_like_real): Restore null_node handling.
1194
1195 2018-01-17  Jason Merrill  <jason@redhat.com>
1196
1197         PR c++/81843 - ICE with variadic member template.
1198         PR c++/72801
1199         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
1200         template args.
1201
1202 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
1203
1204         PR c++/83799
1205         * pt.c (type_dependent_expression_p): Strip any location wrapper
1206         before testing tree codes.
1207         (selftest::test_type_dependent_expression_p): New function.
1208         (selftest::cp_pt_c_tests): Call it.
1209
1210 2018-01-17  Nathan Sidwell  <nathan@acm.org>
1211
1212         PR c++/83739
1213         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
1214         this not a final instantiation.
1215
1216 2018-01-16  Jason Merrill  <jason@redhat.com>
1217
1218         PR c++/83714 - ICE checking return in template.
1219         * typeck.c (check_return_expr): Call build_non_dependent_expr.
1220
1221 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR c++/83817
1224         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
1225         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
1226         instead of CALL_FROM_THUNK_P.
1227
1228         PR c++/83825
1229         * name-lookup.c (member_vec_dedup): Return early if len is 0.
1230         (resort_type_member_vec, set_class_bindings,
1231         insert_late_enum_def_bindings): Use vec qsort method instead of
1232         calling qsort directly.
1233
1234 2018-01-15  Martin Sebor  <msebor@redhat.com>
1235
1236         PR c++/83588
1237         * class.c (find_flexarrays): Make a record of multiple flexible array
1238         members.
1239
1240 2018-01-12  Jason Merrill  <jason@redhat.com>
1241
1242         PR c++/83186 - ICE with static_cast of list-initialized temporary.
1243         * typeck.c (build_static_cast): Use build_non_dependent_expr.
1244
1245 2018-01-12  Nathan Sidwell  <nathan@acm.org>
1246
1247         * cp-tree.h (mark_rvalue_use): Add parm name.
1248         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
1249         mark_rvalue_use.
1250         * call.c (convert_like_real): Fix formatting.
1251
1252 2018-01-11  Jason Merrill  <jason@redhat.com>
1253
1254         PR c++/82728 - wrong -Wunused-but-set-variable
1255         PR c++/82799
1256         PR c++/83690
1257         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
1258         * decl.c (case_conversion): Likewise.
1259         * semantics.c (finish_static_assert): Call
1260         perform_implicit_conversion_flags.
1261
1262 2018-01-11  Nathan Sidwell  <nathan@acm.org>
1263
1264         * method.c (enum mangling_flags): Delete long-dead enum.
1265
1266 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
1267
1268         * parser.c (cp_parser_std_attribute_spec): When
1269         token_pair::require_open / require_close return false simply
1270         return error_mark_node, avoid duplicate cp_parser_error about
1271         expected '(' / ')', respectively.
1272
1273 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
1274
1275         PR c++/43486
1276         * call.c (null_ptr_cst_p): Strip location wrappers when
1277         converting from '0' to a pointer type in C++11 onwards.
1278         (conversion_null_warnings): Replace comparison with null_node with
1279         call to null_node_p.
1280         (build_over_call): Likewise.
1281         * cp-gimplify.c (cp_fold): Remove the early bailout when
1282         processing_template_decl.
1283         * cp-lang.c (selftest::run_cp_tests): Call
1284         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
1285         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
1286         (selftest::run_cp_tests): Move decl to bottom of file.
1287         (null_node_p): New inline function.
1288         (selftest::cp_pt_c_tests): New decl.
1289         (selftest::cp_tree_c_tests): New decl.
1290         * cvt.c (build_expr_type_conversion): Replace comparison with
1291         null_node with call to null_node_p.
1292         * error.c (args_to_string): Likewise.
1293         * except.c (build_throw): Likewise.
1294         * mangle.c (write_expression): Skip location wrapper nodes.
1295         * parser.c (literal_integer_zerop): New function.
1296         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
1297         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
1298         param of cp_parser_parenthesized_expression_list.  When calling
1299         warn_for_memset, replace integer_zerop calls with
1300         literal_integer_zerop, eliminating the double logical negation
1301         cast to bool.  Eliminate the special-casing for CONST_DECL in
1302         favor of the fold_for_warn within warn_for_memset.
1303         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
1304         param, defaulting to false.  Convert "expr" to a cp_expr, and call
1305         maybe_add_location_wrapper on it when wrap_locations_p is true.
1306         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
1307         the result for RID_ALIGNOF and RID_SIZEOF.
1308         (cp_parser_builtin_offsetof): Likewise.
1309         * pt.c: Include "selftest.h".
1310         (tsubst_copy): Handle location wrappers.
1311         (tsubst_copy_and_build): Likewise.
1312         (build_non_dependent_expr): Likewise.
1313         (selftest::test_build_non_dependent_expr): New function.
1314         (selftest::cp_pt_c_tests): New function.
1315         * tree.c: Include "selftest.h".
1316         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
1317         (selftest::test_lvalue_kind): New function.
1318         (selftest::cp_tree_c_tests): New function.
1319         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
1320         (cp_build_binary_op): Replace comparison with null_node with call
1321         to null_node_p.
1322         (build_address): Use location of operand when building address
1323         expression.
1324
1325 2018-01-10  Marek Polacek  <polacek@redhat.com>
1326
1327         PR c++/82541
1328         * call.c (build_conditional_expr_1): Check complain before warning.
1329         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
1330         -Wduplicated-branches.
1331
1332 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
1333
1334         PR c++/81327
1335         * call.c (maybe_warn_class_memaccess): Add forward declaration.
1336         Change last argument from tree * to const vec<tree, va_gc> *, adjust
1337         args uses and check number of operands too.  Don't strip away any
1338         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
1339         Deal with src argument not having pointer type.  Check
1340         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
1341         test.
1342         (build_over_call): Call maybe_warn_class_memaccess here on the
1343         original arguments.
1344         (build_cxx_call): Rather than here on converted arguments.
1345
1346 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
1347
1348         PR c++/81055
1349         * init.c (build_vec_init): Avoid building an INIT_EXPR with
1350         error_mark_node as second argument.
1351
1352 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
1353
1354         PR c++/83734
1355         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
1356         in STATEMENT_LIST.  Remove unneeded assert.
1357
1358 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1359             Alan Hayward  <alan.hayward@arm.com>
1360             David Sherwood  <david.sherwood@arm.com>
1361
1362         * constexpr.c (cxx_eval_array_reference): Handle polynomial
1363         VECTOR_CST_NELTS.
1364         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
1365         * call.c (build_conditional_expr_1): Likewise.
1366         * decl.c (cp_finish_decomp): Likewise.
1367         * mangle.c (write_type): Likewise.
1368         * typeck.c (structural_comptypes): Likewise.
1369         (cp_build_binary_op): Likewise.
1370         * typeck2.c (process_init_constructor_array): Likewise.
1371
1372 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1373
1374         PR c++/83555
1375         * typeck.c (build_static_cast_1): For static casts to reference types,
1376         call build_base_path with flag_delete_null_pointer_checks as nonnull
1377         instead of always false.  When -fsanitize=null, call
1378         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
1379         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
1380         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
1381
1382 2018-01-03  Nathan Sidwell  <nathan@acm.org>
1383
1384         PR c++/83667
1385         * method.c (make_alias_for): Copy DECL_CONTEXT.
1386
1387 2018-01-03  Marek Polacek  <polacek@redhat.com>
1388
1389         PR c++/83592
1390         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
1391
1392 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1393
1394         PR preprocessor/83602
1395         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
1396         for builtin macros.
1397
1398         PR c++/83634
1399         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
1400         error_mark_node, return error_mark_node.
1401
1402         Update copyright years.
1403
1404 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
1405
1406         PR c++/83556
1407         * tree.c (replace_placeholders_r): Pass NULL as last argument to
1408         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
1409         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
1410         to false and return.
1411         (replace_placeholders): Pass NULL instead of &pset as last argument
1412         to cp_walk_tree.
1413
1414 2018-01-02  Nathan Sidwell  <nathan@acm.org>
1415
1416         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
1417         lval var.
1418 \f
1419 Copyright (C) 2018 Free Software Foundation, Inc.
1420
1421 Copying and distribution of this file, with or without modification,
1422 are permitted in any medium without royalty provided the copyright
1423 notice and this notice are preserved.