https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95860
Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ppalka at gcc dot gnu.org Blocks| |67491 --- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> --- The error message doesn't make much sense here, but is this example strictly speaking valid given that virtual functions can't be constrained ([class.virtual]/6)? Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 [Bug 67491] [meta-bug] concepts issues