gcc/cp/ChangeLog

   1 2018-01-30  Jason Merrill  <jason@redhat.com>
   2
   3         PR c++/84091 - ICE with local class in lambda in template.
   4         * decl2.c (determine_visibility): Look for outer containing template
   5         instantiation.
   6
   7         PR c++/84098 - ICE with lambda in template NSDMI.
   8         * pt.c (instantiate_class_template_1): Ignore more lambdas.
   9
  10 2018-01-29  Jason Merrill  <jason@redhat.com>
  11
  12         PR c++/68810 - wrong location for reinterpret_cast error.
  13         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
  14         !dofold.
  15
  16 2018-01-29  Marek Polacek  <polacek@redhat.com>
  17
  18         PR c++/83996
  19         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
  20         => fooarray[1] in offset_int.
  21
  22 2018-01-29  Jason Merrill  <jason@redhat.com>
  23
  24         PR c++/83942 - wrong unused warning with static_cast.
  25         * cvt.c (ocp_convert): Call mark_rvalue_use.
  26
  27 2018-01-26  Jason Merrill  <jason@redhat.com>
  28
  29         PR c++/83956 - wrong dtor error with anonymous union
  30         * method.c (walk_field_subobs): Variant members only affect
  31         deletedness.
  32         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
  33
  34         PR c++/84036 - ICE with variadic capture.
  35         PR c++/82249
  36         * pt.c (tsubst_pack_expansion): When optimizing a simple
  37         substitution, pull a single pack expansion out of its pack.
  38
  39         PR c++/82514 - ICE with local class in generic lambda.
  40         * pt.c (regenerated_lambda_fn_p): Remove.
  41         (enclosing_instantiation_of): Don't use it.
  42         (tsubst_function_decl): Call enclosing_instantiation_of.
  43
  44         * pt.c (lookup_template_class_1): Add sanity check.
  45         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
  46
  47 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
  48
  49         PR c++/84031
  50         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
  51         recursive calls that return ret.
  52         (cp_finish_decomp): Ignore unnamed bitfields.
  53
  54 2018-01-23  Jason Merrill  <jason@redhat.com>
  55
  56         PR c++/82249 - wrong mismatched pack length error.
  57         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
  58         unsubstituted function parameter pack.
  59
  60 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
  61
  62         PR c++/83921
  63         * decl.c (check_for_uninitialized_const_var): Not static; add
  64         bool and tsubst_flags_t parameters; adjust to be used both in
  65         constexpr context and not.
  66         * constexpr.c (potential_constant_expression_1): Use the above.
  67         * cp-tree.h (check_for_uninitialized_const_var): Declare.
  68
  69 2018-01-23  Jason Merrill  <jason@redhat.com>
  70
  71         PR c++/83947 - ICE with auto declarations.
  72         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
  73         * decl.c (undeduced_auto_decl): Limit to vars and fns.
  74
  75 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
  76
  77         PR c++/83974
  78         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
  79         for pointer to member function types.
  80
  81 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
  82
  83         PR sanitizer/83987
  84         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
  85         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
  86
  87 2018-01-23  Nathan Sidwell  <nathan@acm.org>
  88
  89         PR c++/83988
  90         * pt.c (tsubst_baselink): Remove optype assert.
  91         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
  92
  93 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
  94
  95         PR c++/83958
  96         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
  97         refers to incomplete type.
  98
  99 2018-01-23  Nathan Sidwell  <nathan@acm.org>
 100
 101         Deprecate ARM-era for scope handling
 102         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
 103         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
 104         cleared.
 105         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
 106         cleanup handling.
 107         * semantics.c (begin_for_scope): Flag_new_for_scope is
 108         boolean-like.
 109         (finish_for_stmt, begin_range_for_stmt): Likewise.
 110
 111 2018-01-22  Jason Merrill  <jason@redhat.com>
 112
 113         PR c++/83720
 114         * decl2.c (determine_visibility): Fix template_decl handling
 115         instead of blocking it.
 116
 117         PR c++/83720 - ICE with lambda and LTO.
 118         * decl2.c (determine_visibility): Clear template_decl for
 119         function-scope decls.  Propagate anonymous linkage from containing
 120         function.
 121
 122 2018-01-22  Marek Polacek  <polacek@redhat.com>
 123
 124         PR c++/81933
 125         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
 126         split out anything.
 127
 128 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
 129
 130         PR c++/83895
 131         * decl.c (grokdeclarator): Don't diagnose extra parens
 132         on typedefs.
 133
 134 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 135
 136         PR c++/81167
 137         * call.c (joust): Use TREE_TYPE (source) if source is
 138         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
 139
 140         PR c++/83919
 141         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
 142         for direct enum init.
 143         * decl.c (reshape_init): Likewise.
 144
 145 2018-01-19  Marek Polacek  <polacek@redhat.com>
 146
 147         * constexpr.c (fold_simple): Simplify.
 148
 149 2018-01-18  Jason Merrill  <jason@redhat.com>
 150
 151         PR c++/83714
 152         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
 153         * pt.c (instantiation_dependent_scope_ref_p): True if
 154         any_dependent_bases_p.
 155
 156 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 157
 158         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
 159         vs DECL_NONTRIVIALLY_INITIALIZED_P).
 160
 161 2018-01-18  Jason Merrill  <jason@redhat.com>
 162
 163         PR c++/82461 - constexpr list-initialized member
 164         * constexpr.c (potential_constant_expression_1): Check
 165         TARGET_EXPR_DIRECT_INIT_P.
 166
 167 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
 168
 169         PR c++/81013
 170         * decl.c (xref_basetypes): Early return upon error about derived
 171         union.
 172
 173 2018-01-18  Nathan Sidwell  <nathan@acm.org>
 174
 175         PR c++/83160
 176         * cp-tree.h (mark_use): Declare.
 177         * expr.c (mark_use): Make extern.
 178         * call.c (direct_reference_binding): Set inner conv's
 179         rvaluedness_matches_p, if it is an identity.
 180         (convert_like_real): Mark lvalue or rvalue use for identity as
 181         rvaledness_matches_p demands.
 182
 183 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
 184
 185         PR c++/83824
 186         * parser.c (attr_chainon): New function.
 187         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
 188         cp_parser_namespace_definition, cp_parser_init_declarator,
 189         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
 190         cp_parser_gnu_attributes_opt): Use it.
 191         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
 192         cp_parser_objc_struct_declaration): Likewise.  Don't reset
 193         prefix_attributes if attributes is error_mark_node.
 194
 195 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 196
 197         PR c++/78344
 198         * decl.c (grokdeclarator): Do not append the error_mark_node
 199         due to an erroneous optional attribute-specifier-seq.
 200
 201 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
 202
 203         PR c++/83897
 204         * cp-gimplify.c (cp_maybe_instrument_return): Handle
 205         CLEANUP_POINT_EXPR.
 206
 207 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
 208
 209         PR c++/81054
 210         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
 211         error_mark_node when we give an error.
 212         * decl.c (cp_finish_decl): Use the latter.
 213
 214 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 215
 216         PR c++/83287
 217         * init.c (build_raw_new_expr): Scan list for lookups to keep.
 218
 219 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 220
 221         PR c++/83814
 222         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
 223         the C++ part.  If processing a template, call
 224         fold_non_dependent_expr rather than fully folding.
 225
 226 2018-01-17  Jason Merrill  <jason@redhat.com>
 227
 228         PR c++/81067 - redundant NULL warning.
 229         * call.c (convert_like_real): Restore null_node handling.
 230
 231 2018-01-17  Jason Merrill  <jason@redhat.com>
 232
 233         PR c++/81843 - ICE with variadic member template.
 234         PR c++/72801
 235         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
 236         template args.
 237
 238 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
 239
 240         PR c++/83799
 241         * pt.c (type_dependent_expression_p): Strip any location wrapper
 242         before testing tree codes.
 243         (selftest::test_type_dependent_expression_p): New function.
 244         (selftest::cp_pt_c_tests): Call it.
 245
 246 2018-01-17  Nathan Sidwell  <nathan@acm.org>
 247
 248         PR c++/83739
 249         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
 250         this not a final instantiation.
 251
 252 2018-01-16  Jason Merrill  <jason@redhat.com>
 253
 254         PR c++/83714 - ICE checking return in template.
 255         * typeck.c (check_return_expr): Call build_non_dependent_expr.
 256
 257 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
 258
 259         PR c++/83817
 260         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
 261         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
 262         instead of CALL_FROM_THUNK_P.
 263
 264         PR c++/83825
 265         * name-lookup.c (member_vec_dedup): Return early if len is 0.
 266         (resort_type_member_vec, set_class_bindings,
 267         insert_late_enum_def_bindings): Use vec qsort method instead of
 268         calling qsort directly.
 269
 270 2018-01-15  Martin Sebor  <msebor@redhat.com>
 271
 272         PR c++/83588
 273         * class.c (find_flexarrays): Make a record of multiple flexible array
 274         members.
 275
 276 2018-01-12  Jason Merrill  <jason@redhat.com>
 277
 278         PR c++/83186 - ICE with static_cast of list-initialized temporary.
 279         * typeck.c (build_static_cast): Use build_non_dependent_expr.
 280
 281 2018-01-12  Nathan Sidwell  <nathan@acm.org>
 282
 283         * cp-tree.h (mark_rvalue_use): Add parm name.
 284         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
 285         mark_rvalue_use.
 286         * call.c (convert_like_real): Fix formatting.
 287
 288 2018-01-11  Jason Merrill  <jason@redhat.com>
 289
 290         PR c++/82728 - wrong -Wunused-but-set-variable
 291         PR c++/82799
 292         PR c++/83690
 293         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
 294         * decl.c (case_conversion): Likewise.
 295         * semantics.c (finish_static_assert): Call
 296         perform_implicit_conversion_flags.
 297
 298 2018-01-11  Nathan Sidwell  <nathan@acm.org>
 299
 300         * method.c (enum mangling_flags): Delete long-dead enum.
 301
 302 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 303
 304         * parser.c (cp_parser_std_attribute_spec): When
 305         token_pair::require_open / require_close return false simply
 306         return error_mark_node, avoid duplicate cp_parser_error about
 307         expected '(' / ')', respectively.
 308
 309 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
 310
 311         PR c++/43486
 312         * call.c (null_ptr_cst_p): Strip location wrappers when
 313         converting from '0' to a pointer type in C++11 onwards.
 314         (conversion_null_warnings): Replace comparison with null_node with
 315         call to null_node_p.
 316         (build_over_call): Likewise.
 317         * cp-gimplify.c (cp_fold): Remove the early bailout when
 318         processing_template_decl.
 319         * cp-lang.c (selftest::run_cp_tests): Call
 320         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
 321         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
 322         (selftest::run_cp_tests): Move decl to bottom of file.
 323         (null_node_p): New inline function.
 324         (selftest::cp_pt_c_tests): New decl.
 325         (selftest::cp_tree_c_tests): New decl.
 326         * cvt.c (build_expr_type_conversion): Replace comparison with
 327         null_node with call to null_node_p.
 328         * error.c (args_to_string): Likewise.
 329         * except.c (build_throw): Likewise.
 330         * mangle.c (write_expression): Skip location wrapper nodes.
 331         * parser.c (literal_integer_zerop): New function.
 332         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
 333         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
 334         param of cp_parser_parenthesized_expression_list.  When calling
 335         warn_for_memset, replace integer_zerop calls with
 336         literal_integer_zerop, eliminating the double logical negation
 337         cast to bool.  Eliminate the special-casing for CONST_DECL in
 338         favor of the fold_for_warn within warn_for_memset.
 339         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
 340         param, defaulting to false.  Convert "expr" to a cp_expr, and call
 341         maybe_add_location_wrapper on it when wrap_locations_p is true.
 342         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
 343         the result for RID_ALIGNOF and RID_SIZEOF.
 344         (cp_parser_builtin_offsetof): Likewise.
 345         * pt.c: Include "selftest.h".
 346         (tsubst_copy): Handle location wrappers.
 347         (tsubst_copy_and_build): Likewise.
 348         (build_non_dependent_expr): Likewise.
 349         (selftest::test_build_non_dependent_expr): New function.
 350         (selftest::cp_pt_c_tests): New function.
 351         * tree.c: Include "selftest.h".
 352         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
 353         (selftest::test_lvalue_kind): New function.
 354         (selftest::cp_tree_c_tests): New function.
 355         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
 356         (cp_build_binary_op): Replace comparison with null_node with call
 357         to null_node_p.
 358         (build_address): Use location of operand when building address
 359         expression.
 360
 361 2018-01-10  Marek Polacek  <polacek@redhat.com>
 362
 363         PR c++/82541
 364         * call.c (build_conditional_expr_1): Check complain before warning.
 365         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
 366         -Wduplicated-branches.
 367
 368 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
 369
 370         PR c++/81327
 371         * call.c (maybe_warn_class_memaccess): Add forward declaration.
 372         Change last argument from tree * to const vec<tree, va_gc> *, adjust
 373         args uses and check number of operands too.  Don't strip away any
 374         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
 375         Deal with src argument not having pointer type.  Check
 376         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
 377         test.
 378         (build_over_call): Call maybe_warn_class_memaccess here on the
 379         original arguments.
 380         (build_cxx_call): Rather than here on converted arguments.
 381
 382 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 383
 384         PR c++/81055
 385         * init.c (build_vec_init): Avoid building an INIT_EXPR with
 386         error_mark_node as second argument.
 387
 388 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
 389
 390         PR c++/83734
 391         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
 392         in STATEMENT_LIST.  Remove unneeded assert.
 393
 394 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 395             Alan Hayward  <alan.hayward@arm.com>
 396             David Sherwood  <david.sherwood@arm.com>
 397
 398         * constexpr.c (cxx_eval_array_reference): Handle polynomial
 399         VECTOR_CST_NELTS.
 400         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
 401         * call.c (build_conditional_expr_1): Likewise.
 402         * decl.c (cp_finish_decomp): Likewise.
 403         * mangle.c (write_type): Likewise.
 404         * typeck.c (structural_comptypes): Likewise.
 405         (cp_build_binary_op): Likewise.
 406         * typeck2.c (process_init_constructor_array): Likewise.
 407
 408 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 409
 410         PR c++/83555
 411         * typeck.c (build_static_cast_1): For static casts to reference types,
 412         call build_base_path with flag_delete_null_pointer_checks as nonnull
 413         instead of always false.  When -fsanitize=null, call
 414         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
 415         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
 416         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
 417
 418 2018-01-03  Nathan Sidwell  <nathan@acm.org>
 419
 420         PR c++/83667
 421         * method.c (make_alias_for): Copy DECL_CONTEXT.
 422
 423 2018-01-03  Marek Polacek  <polacek@redhat.com>
 424
 425         PR c++/83592
 426         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
 427
 428 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 429
 430         PR preprocessor/83602
 431         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
 432         for builtin macros.
 433
 434         PR c++/83634
 435         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
 436         error_mark_node, return error_mark_node.
 437
 438         Update copyright years.
 439
 440 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
 441
 442         PR c++/83556
 443         * tree.c (replace_placeholders_r): Pass NULL as last argument to
 444         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
 445         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
 446         to false and return.
 447         (replace_placeholders): Pass NULL instead of &pset as last argument
 448         to cp_walk_tree.
 449
 450 2018-01-02  Nathan Sidwell  <nathan@acm.org>
 451
 452         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
 453         lval var.
 454 \f
 455 Copyright (C) 2018 Free Software Foundation, Inc.
 456
 457 Copying and distribution of this file, with or without modification,
 458 are permitted in any medium without royalty provided the copyright
 459 notice and this notice are preserved.