[Bug c++/19047] Template template argument matching can violate SFINAE

[benh at bwsint dot com]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
  GCC build triplet|                            |i486-linux
   GCC host triplet|                            |i486-linux
 GCC target triplet|                            |i486-linux
           Keywords|                            |rejects-valid
      Known to fail|                            |3.0.4 3.2.3 3.3.4 3.4.3
      Known to work|                            |2.95.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19047