[Bug c++/69098] [6.0 regression] Member function pointer template flagged with 'is not a function template'

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69098

--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> ---
I looks like it was introduced in r186681.  The last good commit before that is
r186667, and none of those in between touch the C++ front end.  Though the
changes in r186681 look very mechanical and not related to templates at all so
I'm not sure.