https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101137
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution|--- |INVALID --- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #3) > I think the problem is a simple typo in your is_signed_integral_convert_copy > trait, you use boost::mp11::mp_first<T2<Args1...>> > ^ > > Presumably that's supposed to be boost::mp11::mp_first<T2<Args2...>>. So not a bug. ^