[Bug c++/60277] Bogus "inline function virtual ..." used but never defined

[nlewycky at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60277

--- Comment #1 from Nick Lewycky <nlewycky at google dot com> ---
Furthermore, if the testcase ended with:

  f->Foo::func();

then the warning should be issued.