gcc/cp/ChangeLog

   1 2019-03-06  Jason Merrill  <jason@redhat.com>
   2
   3         PR c++/89576 - if constexpr of lambda capture.
   4         * semantics.c (maybe_convert_cond): Do convert a non-dependent
   5         condition in a template.
   6         * typeck.c (condition_conversion): Handle being called in a
   7         template.
   8
   9 2019-03-06  Marek Polacek  <polacek@redhat.com>
  10
  11         PR c++/87378 - bogus -Wredundant-move warning.
  12         * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
  13         overload resolution would actually succeed.
  14
  15 2019-03-05  Jason Merrill  <jason@redhat.com>
  16
  17         * class.c (is_really_empty_class): Add ignore_vptr parm.
  18         (trivial_default_constructor_is_constexpr): Pass it.
  19         * call.c (build_over_call): Pass it.
  20         * constexpr.c (cxx_eval_constant_expression): Pass it instead of
  21         checking TYPE_POLYMORPHIC_P.
  22         (cxx_eval_component_reference, potential_constant_expression_1):
  23         Pass it.
  24         * cp-gimplify.c (simple_empty_class_p): Pass it.
  25         * init.c (expand_aggr_init_1): Pass it.
  26
  27 2019-03-04  Paolo Carlini  <paolo.carlini@oracle.com>
  28
  29         PR c++/84605
  30         * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
  31
  32 2019-03-04  Jakub Jelinek  <jakub@redhat.com>
  33
  34         PR c++/71446
  35         * call.c (field_in_pset): New function.
  36         (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
  37
  38 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
  39
  40         PR c++/71446
  41         * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
  42         * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
  43         caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
  44         (cp_parser_initializer_list): Add designated parameter, set *designated
  45         to a bool whether any designators were parsed.
  46         * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
  47         needed.
  48         * pt.c (tsubst_copy_and_build): Likewise.
  49         * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
  50         don't call build_list_conv, nor build_complex_conv, nor attempt to
  51         convert a single element initializer to scalar.
  52
  53 2019-03-01  Marek Polacek  <polacek@redhat.com>
  54
  55         PR c++/89537 - missing location for error with non-static member fn.
  56         * call.c (resolve_args): Use EXPR_LOCATION.
  57         * typeck.c (build_class_member_access_expr): Use input_location.
  58
  59         PR c++/89532 - ICE with incomplete type in decltype.
  60         * semantics.c (finish_compound_literal): Return error_mark_node
  61         if digest_init_flags returns error_mark_node.
  62
  63 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
  64
  65         Implement P1002R1, Try-catch blocks in constexpr functions
  66         PR c++/89513
  67         * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
  68         Diagnose constexpr ctor or function with function-try-block with
  69         pedwarn for c++17 and earlier.  Formatting fix.
  70         (cp_parser_try_block): Use pedwarn instead of error and only for
  71         c++17 and earlier when try block appears in constexpr function.
  72         * constexpr.c (build_constexpr_constructor_member_initializers):
  73         Handle TRY_BLOCK here instead of erroring on it.
  74
  75 2019-02-28  Jason Merrill  <jason@redhat.com>
  76
  77         PR c++/88183 - ICE with .* fold-expression.
  78         * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
  79
  80         PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
  81         * class.c, lambda.c, pt.c: Revert earlier change.
  82         * lambda.c (add_capture): Don't special-case capture of dependent
  83         VLA.
  84
  85         * name-lookup.c (print_binding_level): Print this_entity.
  86
  87 2019-02-27  Marek Polacek  <polacek@redhat.com>
  88
  89         PR c++/88857 - ICE with value-initialization of argument in template.
  90         * call.c (convert_like_real): Don't call build_value_init in template.
  91
  92 2019-02-27  Jason Merrill  <jason@redhat.com>
  93
  94         PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
  95         * semantics.c (process_outer_var_ref): Do capture dependent vars.
  96         * class.c (finish_struct): Only add TAG_DEFN if T is in
  97         current_function_decl.
  98         * lambda.c (vla_capture_type): Force the capture type out into the
  99         lambda's enclosing function.
 100         (add_capture): Pass in the lambda.
 101         * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
 102
 103 2019-02-27  Marek Polacek  <polacek@redhat.com>
 104
 105         PR c++/89511 - ICE with using-declaration and unscoped enumerator.
 106         * parser.c (cp_parser_using_declaration): For an unscoped enum
 107         only use its context if it's not a function declaration.
 108
 109 2019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>
 110
 111         PR c++/89488
 112         * method.c (process_subob_fn): When maybe_instantiate_noexcept
 113         returns false don't call merge_exception_specifiers.
 114
 115 2019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>
 116
 117         PR c++/88987
 118         * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
 119         for a non-constant parsed expression.
 120
 121 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
 122
 123         PR c++/89481
 124         * constexpr.c (cxx_eval_store_expression): When changing active union
 125         member, set no_zero_init.
 126
 127 2019-02-23  Marek Polacek  <polacek@redhat.com>
 128
 129         PR c++/88294 - ICE with non-constant noexcept-specifier.
 130         * pt.c (maybe_instantiate_noexcept): Set up the list of local
 131         specializations.  Set current_class_{ptr,ref}.
 132
 133 2019-02-22  David Malcolm  <dmalcolm@redhat.com>
 134
 135         PR c++/89390
 136         * parser.c (cp_parser_unqualified_id): Capture and use locations
 137         for destructors.
 138
 139 2019-02-22  Marek Polacek  <polacek@redhat.com>
 140
 141         PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
 142         * decl.c (build_explicit_specifier): Don't check
 143         processing_template_decl.  Call instantiation_dependent_expression_p
 144         instead of value_dependent_expression_p.  Call
 145         instantiate_non_dependent_expr_sfinae before
 146         build_converted_constant_expr instead of calling
 147         instantiate_non_dependent_expr after it.  Add
 148         processing_template_decl_sentinel.
 149
 150 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
 151
 152         * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
 153         parameter, move loc formal parameter to the front.  Adjust all
 154         users.
 155         (cp_parser_oacc_shape_clause): Add loc formal parameter.  Adjust
 156         all users.
 157
 158 2019-02-21  Jason Merrill  <jason@redhat.com>
 159
 160         PR c++/87685 - generic lambda 'this' capture error.
 161         * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
 162         (maybe_generic_this_capture): Pass -1.
 163
 164         PR c++/88394 - ICE with VLA init-capture.
 165         * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
 166
 167         PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
 168         * pt.c (do_class_deduction): Don't include explicit specialization
 169         args in outer_args.
 170
 171         PR c++/89422 - ICE with -g and lambda in default arg in template.
 172         * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
 173
 174 2019-02-21  Jason Merrill  <jason@redhat.com>
 175
 176         PR c++/88419 - C++17 ICE with class template arg deduction.
 177         * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
 178         CLASS_PLACEHOLDER_TEMPLATE.
 179
 180 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
 181
 182         PR c++/89285
 183         * constexpr.c (struct constexpr_fundef): Add parms and result members.
 184         (retrieve_constexpr_fundef): Adjust for the above change.
 185         (register_constexpr_fundef): Save constexpr body with copy_fn,
 186         temporarily set DECL_CONTEXT on DECL_RESULT before that.
 187         (get_fundef_copy): Change FUN argument to FUNDEF with
 188         constexpr_fundef * type, grab body and parms/result out of
 189         constexpr_fundef struct and temporarily change it for copy_fn calls
 190         too.
 191         (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
 192         adjust current_function_decl from ctx->call context.  Test
 193         !potential_constant_expression instead of !is_constant_expression.
 194         (cxx_bind_parameters_in_call): Grab parameters from new_call.  Undo
 195         convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
 196         (cxx_eval_call_expression): Adjust get_fundef_copy caller.
 197         (cxx_eval_conditional_expression): For IF_STMT, allow then or else
 198         operands to be NULL.
 199         (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
 200         (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
 201         (cxx_eval_switch_expr): Add support for SWITCH_STMT.
 202         (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
 203         DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
 204         For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr.  Ignore
 205         DECL_EXPR with USING_DECL operand.
 206         * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
 207         build_int_cst to make it a valid constant expression.
 208
 209 2019-02-20  Jason Merrill  <jason@redhat.com>
 210
 211         PR c++/88690 - C++17 ICE with empty base in aggregate.
 212         * typeck2.c (process_init_constructor_record): Skip trivial
 213         initialization of an empty base.
 214
 215 2019-02-21  Richard Biener  <rguenther@suse.de>
 216
 217         PR middle-end/89392
 218         * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
 219         make symtab process new functions here.
 220
 221 2019-02-20  Jason Merrill  <jason@redhat.com>
 222
 223         PR c++/87921 - wrong error with inline static data member.
 224         * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
 225         for a non-template inline variable.  Do nothing for an
 226         already-instantiated variable.
 227         (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
 228         DECL_INLINE_VAR_P.
 229         * decl.c (check_initializer): Likewise.
 230         (make_rtl_for_nonlocal_decl): Likewise.
 231         * pt.c (instantiate_decl): Likewise.
 232         * typeck2.c (store_init_value): Likewise.
 233
 234 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
 235
 236         PR c++/89403
 237         * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
 238         for flag_syntax_only from here...
 239         * semantics.c (expand_or_defer_fn_1): ... here.
 240
 241         PR c++/89405
 242         * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
 243         DECL_COMMON, set DECL_INTERFACE_KNOWN.
 244
 245         PR c++/89336
 246         * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
 247         union member for -std=c++17 and earlier.
 248
 249 2019-02-19  Jason Merrill  <jason@redhat.com>
 250
 251         PR c++/87513 - 'sorry' mangling PMF template-id.
 252         * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
 253
 254 2019-02-19  Jason Merrill  <jason@redhat.com>
 255
 256         PR c++/88380 - wrong-code with flexible array and NSDMI.
 257         * typeck2.c (process_init_constructor_record): Skip flexarrays.
 258
 259 2019-02-20  will wray  <wjwray@gmail.com>
 260
 261         PR c++/88572 - wrong handling of braces on scalar init.
 262         * decl.c (reshape_init_r): Allow braces around scalar initializer
 263         within aggregate init.  Reject double braced-init of scalar
 264         variable.
 265
 266 2019-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
 267
 268         PR c++/84536
 269         * pt.c (tsubst_init): Diagnose an initializer expanding to an
 270         empty list of expressions; tweak wrt dependent types.
 271         (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
 272         instead of tsubst_expr.
 273
 274 2019-02-19  Jason Merrill  <jason@redhat.com>
 275
 276         PR c++/88368 - wrong 'use of deleted function'
 277         * method.c (walk_field_subobs): Remember errors from get_nsdmi.
 278         (get_defaulted_eh_spec): Call push_tinst_level.
 279         * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
 280         * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
 281
 282 2019-02-19  Chung-Lin Tang <cltang@codesourcery.com>
 283
 284         PR c/87924
 285         * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
 286         clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
 287
 288 2019-02-19  Jakub Jelinek  <jakub@redhat.com>
 289
 290         PR c++/89387
 291         * lambda.c (maybe_generic_this_capture): Don't check
 292         DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
 293
 294         PR c++/89391
 295         * typeck.c (build_reinterpret_cast_1): Don't handle void to
 296         && conversion go through build_target_expr_with_type.
 297
 298         PR c++/89390
 299         * error.c (qualified_name_lookup_error): Only call
 300         suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
 301
 302 2019-02-19  Tom Honermann  <tom@honermann.net>
 303
 304         * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
 305
 306 2019-02-18  Jason Merrill  <jason@redhat.com>
 307
 308         PR c++/89336 - multiple stores in constexpr stmt.
 309         * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
 310         assigned value.
 311
 312         * pt.c (check_explicit_specialization): If the declarator is a
 313         template-id, only check whether the arguments are dependent.
 314
 315         Improve duplicate [[likely]] diagnostic.
 316         * parser.c (cp_parser_statement): Make attrs_loc a range.  Pass it
 317         to process_stmt_hotness_attribute.
 318         * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
 319         (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
 320
 321 2019-02-17  Marek Polacek  <polacek@redhat.com>
 322
 323         PR c++/89217 - ICE with list-initialization in range-based for loop.
 324         * constexpr.c (unshare_constructor): No longer static.
 325         * cp-tree.h (unshare_constructor): Declare.
 326         * semantics.c (finish_compound_literal): When dealing with a
 327         non-dependent expression in a template, return the original
 328         expression.  Pass LOOKUP_NO_NARROWING to digest_init_flags.
 329
 330 2019-02-13  Marek Polacek  <polacek@redhat.com>
 331
 332         PR c++/89297 - ICE with OVERLOAD in template.
 333         * semantics.c (finish_compound_literal): Call
 334         instantiate_non_dependent_expr_sfinae.
 335
 336 2019-02-13  Alexandre Oliva <aoliva@redhat.com>
 337
 338         PR c++/86379
 339         * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
 340         * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
 341         * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
 342         (shared_member_p): Likewise.
 343         (lookup_member): Likewise.
 344         * decl.c (grok_special_member_properties): Skip USING_DECLs.
 345         * semantics.c (finish_omp_declare_simd_methods): Likewise.
 346         (finish_qualified_id_expr): Do not call shared_member_p with
 347         a dependent expr.
 348
 349         PR c++/87322
 350         * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
 351         Move cp_evaluated resetting before signature tsubsting.
 352         (gen_elem_of_pack_expansion_instantiation): Separate local
 353         specializations per index.
 354
 355 2019-02-13  David Malcolm  <dmalcolm@redhat.com>
 356
 357         PR c++/89036
 358         * class.c (add_method): Drop destructor assertion.
 359
 360 2019-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
 361
 362         PR c++/88986
 363         * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
 364         context (the first argument).
 365         * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
 366         as context.
 367
 368 2019-02-12  Jason Merrill  <jason@redhat.com>
 369
 370         PR c++/89144 - link error with constexpr initializer_list.
 371         * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
 372         array for an empty list.
 373         * typeck2.c (store_init_value): Don't use cxx_constant_init in a
 374         template.
 375
 376 2019-02-11  Jason Merrill  <jason@redhat.com>
 377
 378         PR c++/89241 - ICE with __func__ in lambda in template.
 379         * pt.c (enclosing_instantiation_of): Also check
 380         instantiated_lambda_fn_p for the template context.
 381
 382 2019-02-11  Marek Polacek  <polacek@redhat.com>
 383
 384         PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
 385         * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
 386         null member pointer value.
 387
 388 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
 389
 390         PR c++/88977
 391         * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
 392         to maybe_constant_value calls.
 393
 394 2019-02-11  Marek Polacek  <polacek@redhat.com>
 395
 396         * typeck2.c (digest_init_r): Remove commented code.
 397
 398 2019-02-11  Martin Sebor  <msebor@redhat.com>
 399
 400         PR c++/87996
 401         * decl.c (compute_array_index_type_loc): Preserve signed sizes
 402         for diagnostics.  Call valid_array_size_p instead of error.
 403         * init.c (build_new_1): Compute size for diagnostic.  Call
 404         invalid_array_size_error
 405         (build_new): Call valid_array_size_p instead of error.
 406
 407 2019-02-07  Alexandre Oliva <aoliva@redhat.com>
 408
 409         PR c++/86218
 410         * call.c (compare_ics): Deal with ck_aggr in either cs.
 411
 412 2019-02-06  David Malcolm  <dmalcolm@redhat.com>
 413
 414         PR c++/71302
 415         * call.c (get_location_for_expr_unwinding_for_system_header): New
 416         function.
 417         (conversion_null_warnings): Use it when getting locations for
 418         EXPR, effectively adding a call to
 419         get_location_for_expr_unwinding_for_system_header for
 420         -Wconversion-null and making use of EXPR_LOCATION for
 421         -Wzero-as-null-pointer-constant.
 422
 423 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
 424
 425         PR c++/89187
 426         * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
 427         PARM_DECLs of the thunk.
 428         * lambda.c (maybe_add_lambda_conv_op): Likewise.
 429
 430 2019-02-05  Marek Polacek  <polacek@redhat.com>
 431
 432         PR c++/89158 - by-value capture of constexpr variable broken.
 433         * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
 434         instead of mark_rvalue_use.
 435
 436 2019-02-05  Alexandre Oliva <aoliva@redhat.com>
 437
 438         PR c++/87770
 439         * pt.c (instantiates_primary_template_p): New.
 440         (type_dependent_expression_p): Use it.
 441
 442 2019-02-01  Jason Merrill  <jason@redhat.com>
 443
 444         PR c++/88761 - ICE with reference capture of constant.
 445         * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
 446         non-proxy decls.
 447
 448 2019-02-01  Marek Polacek  <polacek@redhat.com>
 449
 450         PR c++/88325 - ICE with invalid out-of-line template member definition.
 451         * parser.c (cp_parser_class_name): Don't call make_typename_type
 452         for overloads.
 453
 454 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
 455
 456         PR c++/87175
 457         * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
 458         if require_open failed.
 459
 460 2019-01-31  Marek Polacek  <polacek@redhat.com>
 461
 462         PR c++/89083, c++/80864 - ICE with list initialization in template.
 463         * constexpr.c (adjust_temp_type): Use copy_node and change the type
 464         instead of using build_constructor.
 465         * decl.c (reshape_init_r): Don't reshape a digested initializer.
 466         Return the initializer for COMPOUND_LITERAL_P.
 467
 468         PR c++/88983 - ICE with switch in constexpr function.
 469         * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
 470         (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
 471         label in the else branch if we found it in the then branch.
 472
 473 2019-01-30  Jason Merrill  <jason@redhat.com>
 474
 475         PR c++/88752 - ICE with lambda and constexpr if.
 476         * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
 477         * pt.c (tsubst_lambda_expr): Set it.
 478         (instantiated_lambda_fn_p): Check it.
 479         (enclosing_instantiation_of): Use it.
 480
 481 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
 482
 483         PR libstdc++/88170
 484         * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
 485         a C cast in pp_c_flag_gnu_v3 mode.
 486
 487 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
 488
 489         PR c++/88988
 490         * lambda.c (is_capture_proxy): Don't return true for
 491         DECL_OMP_PRIVATIZED_MEMBER artificial vars.
 492
 493 2019-01-30  Marek Polacek  <polacek@redhat.com>
 494
 495         PR c++/89119 - ICE with value-initialization in template.
 496         * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
 497
 498 2019-01-29  Jason Merrill  <jason@redhat.com>
 499
 500         PR c++/86943 - wrong code converting lambda to function pointer.
 501         * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
 502         call.  Only forward parms for decltype.
 503         * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
 504         specially.
 505         * typeck.c (check_return_expr): Don't mess with a thunk call.
 506
 507 2019-01-28  Jason Merrill  <jason@redhat.com>
 508
 509         PR c++/89089 - ICE with [[no_unique_address]].
 510         PR c++/88865 - wrong layout with [[no_unique_address]].
 511         * class.c (check_field_decls): A potentially-overlapping field makes
 512         the class non-layout-POD, but not non-empty.
 513         (end_of_class): Always consider empty data members.
 514         (layout_class_type): Set DECL_SIZE for empty fields.
 515
 516 2019-01-28  Marek Polacek  <polacek@redhat.com>
 517
 518         PR c++/88358 - name wrongly treated as type.
 519         * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
 520         in parameter-list is a type if the function's declarator-id is not
 521         qualified.
 522
 523 2019-01-27  Marek Polacek  <polacek@redhat.com>
 524
 525         PR c++/88815 - narrowing conversion lost in decltype.
 526         PR c++/78244 - narrowing conversion in template not detected.
 527         * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
 528         * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
 529         CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
 530         * semantics.c (finish_compound_literal): When the compound literal
 531         isn't instantiation-dependent and the type isn't type-dependent,
 532         fall back to the normal processing.  Set CONSTRUCTOR_IS_DEPENDENT.
 533
 534         PR c++/89024 - ICE with incomplete enum type.
 535         * call.c (standard_conversion): When converting an
 536         ARITHMETIC_TYPE_P to an incomplete type, return NULL.
 537
 538 2019-01-25  Paolo Carlini  <paolo.carlini@oracle.com>
 539
 540         PR c++/88969
 541         * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
 542         * decl2.c (coerce_delete_type): Use build_pointer_type instead
 543         of TYPE_POINTER_TO.
 544
 545 2019-01-24  Jason Merrill  <jason@redhat.com>
 546
 547         PR c++/89001 - mangling of reference temporaries
 548         * cp-tree.h (struct saved_scope): Add ref_temp_count.
 549         (current_ref_temp_count): New macro.
 550         * mangle.c (mangle_ref_init_variable): Use it.
 551         * typeck2.c (store_init_value): Clear it.
 552         * call.c (make_temporary_var_for_ref_to_temp): Copy public and
 553         comdat.
 554
 555 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
 556
 557         PR c++/88976
 558         * semantics.c (finish_omp_cancel): Diagnose more than one if
 559         on #pragma omp cancel with different modifiers.  Use
 560         maybe_convert_cond when not in template or build_x_binary_op
 561         otherwise.
 562
 563 2019-01-23  Marek Polacek  <polacek@redhat.com>
 564
 565         PR c++/88757 - qualified name treated wrongly as type.
 566         * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
 567         in parameter-list as types if name lookup for declarator-id didn't
 568         find one or more function templates.
 569
 570 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
 571
 572         PR c/44715
 573         * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
 574         after genericizing cond and incr expressions.
 575
 576         PR c++/88984
 577         * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
 578         before the begin_bc_block call.
 579
 580 2019-01-21  Jason Merrill  <jason@redhat.com>
 581
 582         PR c++/87893 - constexpr ctor ICE on ARM.
 583         PR c++/88293 - ICE with comma expression.
 584         * constexpr.c (initialized_type): Don't shortcut non-void type.
 585         Handle COMPOUND_EXPR.
 586         (cxx_eval_outermost_constant_expr): Return early for void type.
 587
 588 2019-01-21  Jakub Jelinek  <jakub@redhat.com>
 589
 590         PR c++/88949
 591         * optimize.c (cxx_copy_decl): New function.
 592         (clone_body): Use it instead of copy_decl_no_change.
 593
 594         PR sanitizer/88901
 595         * typeck.c (cp_build_binary_op): Don't instrument
 596         SANITIZE_POINTER_COMPARE if processing_template_decl.
 597         (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
 598
 599 2019-01-18  Jason Merrill  <jason@redhat.com>
 600
 601         PR c++/88875 - error with explicit list constructor.
 602         * call.c (reference_binding): Don't modify EXPR.  Set
 603         need_temporary_p on the ck_user conversion for a temporary.
 604         (convert_like_real): Check it.
 605
 606 2019-01-18  H.J. Lu  <hongjiu.lu@intel.com>
 607
 608         PR c/51628
 609         PR c/88664
 610         * call.c (convert_for_arg_passing): Upate the
 611         warn_for_address_or_pointer_of_packed_member call.
 612         * typeck.c (convert_for_assignment): Likewise.
 613
 614 2019-01-17  Jason Merrill  <jason@redhat.com>
 615
 616         PR c++/86205 - ICE with ?: of throw and template-id.
 617         * pt.c (resolve_nondeduced_context_or_error): Split out from...
 618         * typeck.c (decay_conversion): ...here.
 619         * call.c (build_conditional_expr_1): Use it.
 620
 621         PR c++/86740, ICE with constexpr if and nested generic lambdas.
 622         * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
 623
 624 2019-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 625
 626         * decl.c (grokdeclarator): Use typespec_loc in error messages
 627         about 'auto' and trailing return type.
 628
 629 2019-01-17  David Malcolm  <dmalcolm@redhat.com>
 630
 631         PR c++/88699
 632         * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
 633         USING_DECLs.
 634
 635 2019-01-17  Nathan Sidwell  <nathan@acm.org>
 636
 637         PR c++/86610
 638         * semantics.c (process_outer_var_ref): Only skip dependent types
 639         in templates.
 640
 641 2019-01-17  Alexandre Oliva <aoliva@redhat.com>
 642
 643         PR c++/87768
 644         * cp-tree.h (saved_scope): Add suppress_location_wrappers.
 645         * name-lookup.c (do_push_to_top_level): Save and reset it.
 646         (do_pop_from_top_level): Restore it.
 647
 648         PR c++/86648
 649         * pt.c (make_template_placeholder): Use auto_identifier.
 650         (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
 651         * error.c (dump_type): Handle template placeholders.
 652         * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
 653
 654         PR c++/88146
 655         * cvt.c (convert_to_void): Handle all cdtor calls as if
 656         returning void.
 657
 658 2019-01-16  Paolo Carlini  <paolo.carlini@oracle.com>
 659
 660         * decl.c (grokdeclarator): Use locations[ds_storage_class] in
 661         error messages about ill-formed uses of mutable.
 662
 663 2019-01-16  Marek Polacek  <polacek@redhat.com>
 664
 665         PR c++/78244 - narrowing conversion in template not detected.
 666         * call.c (perform_implicit_conversion_flags): Set
 667         IMPLICIT_CONV_EXPR_BRACED_INIT.
 668         * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
 669         * pt.c (tsubst_copy_and_build): Use it.
 670
 671 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
 672
 673         PR c++/88795
 674         * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
 675         fails.
 676
 677 2019-01-15  Paolo Carlini  <paolo.carlini@oracle.com>
 678
 679         * decl.c (start_decl): Improve error location.
 680         * decl2.c (grokfield): Likewise.
 681
 682 2019-01-15  Paolo Carlini  <paolo.carlini@oracle.com>
 683
 684         * decl.c (grokdeclarator): Move further up the location_t loc
 685         declaration and use the location when building a TYPE_DECL for
 686         a typedef name.
 687         * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
 688         about an ill-formed bit-field as typedef.
 689
 690 2019-01-14  Marek Polacek  <polacek@redhat.com>
 691
 692         PR c++/88830 - ICE with abstract class.
 693         * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
 694         Fix formatting.
 695
 696         PR c++/88825 - ICE with bogus function return type deduction.
 697         * typeck.c (can_do_nrvo_p): Check error_mark_node.
 698
 699 2019-01-14  Tom Honermann  <tom@honermann.net>
 700
 701         Implement P0482R5, char8_t: A type for UTF-8 characters and strings
 702         * cvt.c (type_promotes_to): Handle char8_t promotion.
 703         * decl.c (grokdeclarator): Handle invalid type specifier
 704         combinations involving char8_t.
 705         * lex.c (init_reswords): Add char8_t as a reserved word.
 706         * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
 707         * parser.c (cp_keyword_starts_decl_specifier_p)
 708         (cp_parser_simple_type_specifier): Recognize char8_t as a simple
 709         type specifier.
 710         (cp_parser_string_literal): Use char8_array_type_node for the type
 711         of CPP_UTF8STRING.
 712         (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
 713         headers.
 714         * rtti.c (emit_support_tinfos): type_info support for char8_t.
 715         * tree.c (char_type_p): Recognize char8_t as a character type.
 716         * typeck.c (string_conv_p): Handle conversions of u8 string
 717         literals of char8_t type.
 718         (check_literal_operator_args): Handle UDLs with u8 string literals
 719         of char8_t type.
 720         * typeck2.c (ordinary_char_type_p): New.
 721         (digest_init_r): Disallow initializing a char array with a u8 string
 722         literal.
 723
 724 2019-01-14  Martin Liska  <mliska@suse.cz>
 725
 726         PR gcov-profile/88263
 727         * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
 728         as location of the TLS wrapper.
 729
 730 2019-01-12  Paolo Carlini  <paolo.carlini@oracle.com>
 731
 732         * decl.c (cp_finish_decl): Improve error location.
 733         * decl2.c (grokfield): Likewise, improve two locations.
 734
 735 2019-01-11  Marek Polacek  <polacek@redhat.com>
 736
 737         PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
 738         * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
 739         ADDR_EXPR.
 740
 741 2019-01-11  Jason Merrill  <jason@redhat.com>
 742
 743         PR c++/88312 - pack expansion of decltype.
 744         * pt.c (instantiation_dependent_r): A template non-type parameter
 745         pack is instantiation-dependent.
 746
 747 2019-01-11  Jason Merrill  <jason@redhat.com>
 748
 749         PR c++/88613 - ICE with use of const var in lambda.
 750         * expr.c (mark_use): Fix location wrapper handling.
 751         * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
 752
 753 2019-01-11  Tobias Burnus  <burnus@net-b.de>
 754
 755         PR C++/88114
 756         * decl2.c (maybe_emit_vtables): If needed, generate code for
 757         the destructor of an abstract class.
 758         (mark_used): Update comment for older function-name change.
 759
 760 2019-01-11  Paolo Carlini  <paolo.carlini@oracle.com>
 761
 762         * decl.c (start_decl): Improve error location.
 763         (grokdeclarator): Likewise, improve two locations.
 764
 765 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 766
 767         PR other/16615
 768
 769         * cp-tree.h: Mechanically replace "can not" with "cannot".
 770         * parser.c: Likewise.
 771         * pt.c: Likewise.
 772
 773 2019-01-08  Paolo Carlini  <paolo.carlini@oracle.com>
 774
 775         * decl.c (grok_reference_init): Improve error location.
 776         (grokdeclarator): Likewise, improve two locations.
 777
 778 2019-01-08  Marek Polacek  <polacek@redhat.com>
 779
 780         PR c++/88538 - braced-init-list in template-argument-list.
 781         * parser.c (cp_parser_template_argument): Handle braced-init-list when
 782         in C++20.
 783
 784         PR c++/88548 - this accepted in static member functions.
 785         * parser.c (cp_debug_parser): Adjust printing of
 786         local_variables_forbidden_p.
 787         (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
 788         (cp_parser_primary_expression): When checking
 789         local_variables_forbidden_p, use THIS_FORBIDDEN or
 790         LOCAL_VARS_FORBIDDEN.
 791         (cp_parser_lambda_body): Update the type of
 792         local_variables_forbidden_p.  Set it to 0 rather than false.
 793         (cp_parser_condition): Adjust call to cp_parser_declarator.
 794         (cp_parser_explicit_instantiation): Likewise.
 795         (cp_parser_init_declarator): Likewise.
 796         (cp_parser_declarator): New parameter.  Use it.
 797         (cp_parser_direct_declarator): New parameter.  Use it to set
 798         local_variables_forbidden_p.  Adjust call to cp_parser_declarator.
 799         (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
 800         (cp_parser_parameter_declaration): Likewise.
 801         (cp_parser_default_argument): Update the type of
 802         local_variables_forbidden_p.  Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
 803         rather than true.
 804         (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
 805         'static' or 'friend'.
 806         (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
 807         (cp_parser_late_parsing_default_args): Update the type of
 808         local_variables_forbidden_p.  Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
 809         rather than true.
 810         (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
 811         (cp_parser_objc_class_ivars): Likewise.
 812         (cp_parser_objc_struct_declaration): Likewise.
 813         (cp_parser_omp_for_loop_init): Likewise.
 814         * parser.h (cp_parser): Change the type of local_variables_forbidden_p
 815         to unsigned char.
 816         (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
 817         Define.
 818
 819 2019-01-08  Paolo Carlini  <paolo.carlini@oracle.com>
 820
 821         * decl.c (start_decl): Improve permerror location.
 822
 823 2019-01-08  Jonathan Wakely  <jwakely@redhat.com>
 824             Jakub Jelinek  <jakub@redhat.com>
 825
 826         PR c++/88554
 827         * decl.c (finish_function): For -Wreturn-type don't add a return *this;
 828         fixit hint if current_class_ref is NULL.  Use a single if instead of
 829         two nested ones.
 830
 831 2019-01-07  Paolo Carlini  <paolo.carlini@oracle.com>
 832
 833         * decl.c (start_decl): Improve two error_at locations.
 834         (expand_static_init): Likewise.
 835
 836 2019-01-07  Marek Polacek  <polacek@redhat.com>
 837
 838         PR c++/88741 - wrong error with initializer-string.
 839         * decl.c (cp_complete_array_type): Strip any location wrappers.
 840
 841 2019-01-07  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 842
 843         PR c++/88261
 844         PR c++/69338
 845         PR c++/69696
 846         PR c++/69697
 847         * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
 848         * typeck2.c (digest_init_r): Raise an error for non-static
 849         initialization of a flexible array member.
 850         (process_init_constructor, massage_init_elt,
 851         process_init_constructor_array, process_init_constructor_record,
 852         process_init_constructor_union, process_init_constructor): Add the
 853         flags parameter and pass it thru.
 854         (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
 855         digest_init_flags for static decls.
 856
 857 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
 858
 859         PR c++/85052
 860         * cp-tree.h (cp_build_vec_convert): Declare.
 861         * parser.c (cp_parser_postfix_expression): Parse
 862         __builtin_convertvector.
 863         * constexpr.c: Include fold-const-call.h.
 864         (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
 865         (potential_constant_expression_1): Likewise.
 866         * semantics.c (cp_build_vec_convert): New function.
 867         * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
 868         IFN_VEC_CONVERT.
 869
 870 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
 871
 872         PR c++/88636
 873         * decl.c (builtin_function_1): Return result of pushdecl_top_level
 874         or pushdecl rather than decl.
 875
 876 2019-01-03  Paolo Carlini  <paolo.carlini@oracle.com>
 877
 878         * tree.c (handle_nodiscard_attribute): Improve warning location.
 879
 880 2019-01-02  Marek Polacek  <polacek@redhat.com>
 881
 882         PR c++/88612 - ICE with -Waddress-of-packed-member.
 883         * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
 884         * typeck.c (convert_for_assignment): Likewise.
 885
 886         PR c++/88631 - CTAD failing for value-initialization.
 887         * typeck2.c (build_functional_cast): Try deducing the template
 888         arguments even if there are no arguments to deduce from.
 889
 890 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 891
 892         Update copyright years.
 893 \f
 894 Copyright (C) 2019 Free Software Foundation, Inc.
 895
 896 Copying and distribution of this file, with or without modification,
 897 are permitted in any medium without royalty provided the copyright
 898 notice and this notice are preserved.