[Bug target/19664] -fvisibility-inlines-hidden fails with gcc's extern template extension on amd64

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c++                         |target
  GCC build triplet|x86_64-pc-linux-gnu         |
   GCC host triplet|x86_64-pc-linux-gnu         |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19664