[Bug c++/56071] friend class template cannot access private constructor in exception-specification

[steveire at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56071

--- Comment #3 from Stephen <steveire at gmail dot com> 2013-01-22 08:41:02 UTC ---
clang has other issues relating to this. Something to maybe add unit tests for
if they don't exist already:

http://thread.gmane.org/gmane.comp.compilers.clang.devel/27226