https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78927
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |trippels at gcc dot gnu.org --- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Yes, the issue is known already. But unfortunately it is not fixable. You must use the [[gnu::fallthrough]] attribute in this case.