[Bug c++/93394] Request for operator* is ambiguous when binary and unary overloads are in different base classes

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93394

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
See PR 52766 and PR 65299 and PR 92849