https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 71543, which changed state.
Bug 71543 Summary: [concepts] ICE on ill-formed declaration of a parameter with a constrained-type-specifier in a requires expression https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71543 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED