[Bug c++/53012] unrelated friend operators in same namespace interfere with operator resolution outside of namespace

[zeratul976 at hotmail dot com]

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

--- Comment #3 from Nathan Ridge <zeratul976 at hotmail dot com> ---
(In reply to Nathan Ridge from comment #2)
> This appears to be fixed in gcc 6, possibly by the same change that fixed
> bug 60860 as well.

Perhaps by bug 70522?