match *ty.kind() {
// Print all nominal types as paths (unlike `pretty_print_type`).
ty::FnDef(def_id, substs)
- | ty::Alias(_, ty::AliasTy { def_id, substs })
+ | ty::Alias(_, ty::AliasTy { def_id, substs, .. })
| ty::Closure(def_id, substs)
| ty::Generator(def_id, substs, _) => self.print_def_path(def_id, substs),