[Bug c++/51344] cc1plus hangs when compiling

["ktietz at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51344

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ktietz at gcc dot gnu.org

--- Comment #4 from Kai Tietz <ktietz at gcc dot gnu.org> 2012-01-17 11:09:13 UTC ---
I investigated a bit and the cause for the endless loop is, that the
attribute-list for this decl is pointing to itself.  So in loops for ever in
private_lookup_attribute.

I get following backtrace in gdb for it

#0  0x0068853f in private_lookup_attribute (attr_name=0x100e1c8 "gnu_inline",
    attr_len=10, list=0x7ee3ce58) at ../../gcc/gcc/tree.c:5254
#1  0x00446308 in start_preparsed_function (decl1=0x7ee71880, attrs=0x0,
    flags=3) at ../../gcc/gcc/tree.h:4592
#2  0x0051d4b8 in cp_parser_type_specifier (parser=0x7ee80ce8,
    flags=<value optimized out>, decl_specs=0x5a4ca8c,
    is_declaration=1 '\001', declares_class_or_enum=0x5a4ca44,
    is_cv_qualifier=0x5a4ca4b "") at ../../gcc/gcc/cp/parser.c:21675
#3  0x00530f82 in cp_parser_decl_specifier_seq (parser=0x7ee80ce8, flags=1,
    decl_specs=0x5a4ca8c, declares_class_or_enum=0x5a4cae4)
    at ../../gcc/gcc/cp/parser.c:10696
#4  0x00537588 in cp_parser_single_declaration (parser=0x7ee80ce8,
    checks=0x0, member_p=0 '\0', explicit_specialization_p=0 '\0',
    friend_p=0x5a4cb4b "") at ../../gcc/gcc/cp/parser.c:21271
#5  0x00537a23 in cp_parser_template_declaration_after_export (
    parser=0x7ee80ce8, member_p=30 '\036') at ../../gcc/gcc/cp/parser.c:21157
#6  0x00541749 in cp_parser_declaration (parser=0x7ee80ce8)
    at ../../gcc/gcc/cp/parser.c:10160