https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 85806, which changed state.
Bug 85806 Summary: [concepts] Hard error for "invalid use of non-static data member" in a requires expression https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85806 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED