https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94545
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- This is because numeric_limits<byte>::max() is byte() because it isn't an arithmetic type, so numeric_limits isn't meaningful.