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

[vanboxem.ruben at gmail dot com]

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

--- Comment #10 from Ruben Van Boxem <vanboxem.ruben at gmail dot com> 2012-09-25 08:11:23 UTC ---
I can confirm adding the exports gets rid of the undefined references.