https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69506
--- Comment #9 from jyong at gcc dot gnu.org --- Author: jyong Date: Tue May 2 15:04:39 2017 New Revision: 247502 URL: https://gcc.gnu.org/viewcvs?rev=247502&root=gcc&view=rev Log: 2017-05-02 Hugo Beauzée-Luyssen <h...@beauzee.fr> PR libstdc++/69506 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/config/os/mingw32-w64/os_defines.h