(defclass specializer1 () ())
(defclass specializer2 (forward-ref1) ())
(defmethod baz ((x specializer2)) x)
(defmethod baz ((x specializer1)) x)
(defclass specializer1 () ())
(defclass specializer2 (forward-ref1) ())
(defmethod baz ((x specializer2)) x)
(defmethod baz ((x specializer1)) x)