https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98436
Samuel Benjamin <samuel_benjamin at mentor dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|INVALID |---
--- Comment #5 from Samuel Benjamin <samuel_benjamin at mentor dot com> ---
C++ Standard 5.4 "Explicit type conversion",
clause 7: a pointer to member of derived class type may be explicitly converted
to a pointer to member of an unambiguous non-virtual base class type.