[Bug c++/67943] Friend declaration applied to base class, leading to allowing access to protected base

[barry.revzin at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67943

--- Comment #1 from Barry Revzin <barry.revzin at gmail dot com> ---
Actually, according to [class.base.access], this is valid code. Unless CWG 472
gets adopted I guess. In any case, disregard - my bad.