[Bug c++/103067] Tautological compare warning not appearing if the self-comparison is on object members

[crillion at tiscali dot it]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103067

--- Comment #1 from crillion at tiscali dot it ---
in object_member the comparison operator signature is

bool operator==(const object_member& rhs) const