[Bug c++/60860] Friend function declaration incorrectly hides function in outer namespace

[dibeas at ieee dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60860

--- Comment #1 from David Rodriguez Ibeas <dibeas at ieee dot org> ---
Created this as a new bug as I cannot say for sure whether this is the same
issue as 53012, but they maybe related.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53012