[Bug c++/53122] internal compiler error: in unify, at cp/pt.c:15750

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53122

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-10-10 12:55:30 UTC ---
This is fixed in mainline. I'm adding the testcase and closing the PR.