https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29027
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed|2018-06-21 00:00:00 |2021-8-22 --- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Interesting clang also has this bug. (In reply to Jonathan Wakely from comment #5) > [temp.mem] p7: > > A using-declaration in a derived class cannot refer to a specialization of a > conversion function template in a base class. I would have expected a Defect report if both GCC and clang accept this but nope there is none.