[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> >'

[jakub at gcc dot gnu.org]

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

--- Comment #33 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-04 10:44:19 UTC ---
Created attachment 29347
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29347
gcc48-pr54314.patch

Ah, I see, solaris and mingw/cygwin have their own assemble_visibility target
hooks that warn on their own, so need the same adjustment as the default hook.