[Bug c++/53403] Function template friend denied access to private types of granting template class.

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53403

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-10-04 23:06:18 UTC ---
Works in mainline. I'm adding the testcase and closing the PR.