[Bug c++/52816] [C++11] Access to private members inside decltype in the signature of a member template causes access control error

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52816

--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Let's add the testcase and close the issue as fixed for 4.8.0.