gcc/cp/ChangeLog

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