https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 70037, which changed state.
Bug 70037 Summary: [concepts] comdat group error and an ICE with a conceptified tuple implementation https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70037 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED