[Bug c++/53954] [C++11] Undefined reference to non-odr-used static const member variable of variadic class template in DSO with -flto and -Wl,--export-dynamic

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53954

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-07-16 
09:58:57 UTC ---
I've created PR 53978 for the libstdc++ fixes