[Bug c++/17801] New: segfault in perform_or_defer_access_check

["olh at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

current gcc cant compile kdelibs.

olaf@pomegranate:~/toolchain/obj/gcc-head-2004-10-03/obj> gdb /home/olaf/toolchain/obj/gcc-head-2004-10-03/inst/libexec/gcc/powerpc-unknown-linux-gnu/4.0.0/cc1plus
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This GDB was configured as "ppc-suse-linux"...Using host libthread_db library "/lib/tls/libthread_db.so.1".

(gdb) r -fpreprocessed /tmp/fileprops.ii -quiet -dumpbase fileprops.cpp -ansi -auxbase-strip kio/misc/kfile/fileprops.o -O2 -O2 -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wconversion -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wall -Wformat-security -Wmissing-format-attribute -ansi -version -fsigned-char -fmessage-length=0 -fno-exceptions -fno-check-new -fno-common -o /tmp/fileprops.s
Starting program: /home/olaf/toolchain/obj/gcc-head-2004-10-03/inst/libexec/gcc/powerpc-unknown-linux-gnu/4.0.0/cc1plus -fpreprocessed /tmp/fileprops.ii -quiet -dumpbase fileprops.cpp -ansi -auxbase-strip kio/misc/kfile/fileprops.o -O2 -O2 -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wconversion -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wall -Wformat-security -Wmissing-format-attribute -ansi -version -fsigned-char -fmessage-length=0 -fno-exceptions -fno-check-new -fno-common -o /tmp/fileprops.s
GNU C++ version 4.0.0 20041003 (experimental) (powerpc-unknown-linux-gnu)
        compiled by GNU C version 3.3.3 (SuSE Linux).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096

Program received signal SIGSEGV, Segmentation fault.
perform_or_defer_access_check (binfo=0x0, decl=0x4186c680) at /home/olaf/toolchain/src/gcc-head/gcc/cp/semantics.c:311
311       gcc_assert (TREE_CODE (binfo) == TREE_BINFO);
(gdb) bt
#0  perform_or_defer_access_check (binfo=0x0, decl=0x4186c680) at /home/olaf/toolchain/src/gcc-head/gcc/cp/semantics.c:311
#1  0x100102a0 in build_over_call (cand=0x108159c8, flags=3) at /home/olaf/toolchain/src/gcc-head/gcc/cp/call.c:4619
#2  0x10015dd0 in build_new_function_call (fn=0x41431030, args=0x41437f18) at /home/olaf/toolchain/src/gcc-head/gcc/cp/call.c:2767
#3  0x100ebe04 in finish_call_expr (fn=0x41431030, args=0x41437f18, disallow_virtual=0 '\0', koenig_p=1 '\001')
    at /home/olaf/toolchain/src/gcc-head/gcc/cp/semantics.c:1782
#4  0x100ab958 in cp_parser_unary_expression (parser=0x4127fab8, address_p=0 '\0') at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:4126
#5  0x100ac154 in cp_parser_assignment_expression (parser=0x4127fab8) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:5346
#6  0x100ad054 in cp_parser_expression (parser=0x4127fab8) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:5641
#7  0x100ad350 in cp_parser_expression_statement (parser=0x4127fab8, in_statement_expr=0x0) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:6038
#8  0x100a6dd8 in cp_parser_statement (parser=0x4127fab8, in_statement_expr=0x0) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:5922
#9  0x100a740c in cp_parser_statement_seq_opt (parser=0x4127fab8, in_statement_expr=0x0) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:6104
#10 0x100a74e4 in cp_parser_compound_statement (parser=0x4127fab8, in_statement_expr=0x0, in_try=136 '\210')
    at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:6077
#11 0x100a75d8 in cp_parser_ctor_initializer_opt_and_function_body (parser=0x4127fab8) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:11902
#12 0x100a7a70 in cp_parser_function_definition_after_declarator (parser=0x4127fab8, inline_p=1 '\001') at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:14714
#13 0x100a9070 in cp_parser_type_specifier (parser=0x4127fab8, flags=CP_PARSER_FLAGS_NONE, decl_specs=0xffffdbd0, is_declaration=1 '\001',
    declares_class_or_enum=0xffffdb8c, is_cv_qualifier=0x0) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:15123
#14 0x100a9508 in cp_parser_decl_specifier_seq (parser=0x4127fab8, flags=CP_PARSER_FLAGS_OPTIONAL, decl_specs=0xffffdbd0, declares_class_or_enum=0xffffdc24)
    at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:7208
#15 0x100b3010 in cp_parser_simple_declaration (parser=0x4127fab8, function_definition_allowed_p=1 '\001') at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:6904
#16 0x100a6574 in cp_parser_block_declaration (parser=0x4127fab8, statement_p=0 '\0') at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:6865
#17 0x100b49d0 in cp_parser_declaration (parser=0x4127fab8) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:6782
#18 0x100b4dec in cp_parser_declaration_seq_opt (parser=0x4127fab8) at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:6686
#19 0x100b5134 in c_parse_file () at /home/olaf/toolchain/src/gcc-head/gcc/cp/parser.c:2633
#20 0x1014c14c in c_common_parse_file (set_yydebug=0) at /home/olaf/toolchain/src/gcc-head/gcc/c-opts.c:1097
#21 0x1044f380 in toplev_main (argc=274069192, argv=0x10700000) at /home/olaf/toolchain/src/gcc-head/gcc/toplev.c:985
#22 0x10159b30 in main (argc=0, argv=0x4186c680) at /home/olaf/toolchain/src/gcc-head/gcc/main.c:35

-- 
           Summary: segfault in perform_or_defer_access_check
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: olh at suse dot de
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: powerpc-linux
  GCC host triplet: powerpc-linux
GCC target triplet: powerpc-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17801