[Bug libstdc++/46751] backtrace_symbols wrong when in unexpected_handler

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46751

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-12-01 
19:18:02 UTC ---
backtrace is part of libc and not GCC.