[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> >'

[hubicka at gcc dot gnu.org]

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

Jan Hubicka <hubicka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |hubicka at gcc dot gnu.org

--- Comment #35 from Jan Hubicka <hubicka at gcc dot gnu.org> 2013-03-12 12:42:34 UTC ---
Jason,
I am still bit confused how keyed construction vtables are supposed to work. 
If I understand it right, and there is no C++ ABI mangling for those, I think
it makes no sense to export them from the unit they are keyed to, since the
other units can not referr them anyway.

So perhaps the construction vtables should be always comdat hidden?