https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 85064, which changed state.
Bug 85064 Summary: [concepts] ICE with auto as template parameter https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85064 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |DUPLICATE