[Bug c++/54314] [4.8 Regression] undefined references to 'construction vtable for std::ostream-in-std::basic_ostringstream, std::allocator >'

[jojelino at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54314

--- Comment #5 from gee <jojelino at gmail dot com> 2012-08-21 13:38:57 UTC ---
I think symbol _ZTCSt* need to be included in libstdc++/config/abi/pre/gnu.ver
so that shared-library can export these symbols unless user   did append
--disable-symvers.
nothing need to be done such as reverting the commit or so.