https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117993
Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jason at gcc dot gnu.org --- Comment #6 from Patrick Palka <ppalka at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #4) > (In reply to Andrew Pinski from comment #3) > > I suspect for some reason we think the current instantiation does not have a > > dependent base for some reason. > > That is any_dependent_bases_p is returning false for `struct B<T>::C<n>` > type. Indeed, so it seems any_dependent_bases_p should recursively consider indirect bases. Or for template<class T> struct B { template<class U> struct C; }; template<class T> template<class U> struct B<T>::C : B<T> { } should BINFO_DEPENDENT_BASE_P be set on the base B<T>?