https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94033 Bug 94033 depends on bug 94197, which changed state.
Bug 94197 Summary: __is_constructible gives an access error https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94197 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED