+ (when (eq *boot-state* 'complete)
+ (if (null new-value)
+ (progn
+ (setf (find-classoid name) new-value)
+ (when class
+ ;; KLUDGE: This horror comes about essentially
+ ;; because we use the proper name of a classoid
+ ;; to do TYPEP, which needs to be available
+ ;; early, and also to determine whether TYPE-OF
+ ;; should return the name or the class (using
+ ;; CLASSOID-PROPER-NAME). So if we are removing
+ ;; proper nameness, arrange for
+ ;; CLASSOID-PROPER-NAME to do the right thing
+ ;; too. (This is almost certainly not the right
+ ;; solution; instead, CLASSOID-NAME and
+ ;; FIND-CLASSOID should be direct parallels to
+ ;; CLASS-NAME and FIND-CLASS, and TYPEP on
+ ;; not-yet-final classes should be compileable.
+ (let ((classoid (layout-classoid (slot-value class 'wrapper))))
+ (setf (classoid-name classoid) nil))))
+
+ (let ((classoid (layout-classoid (slot-value new-value 'wrapper))))
+ (setf (find-classoid name) classoid)
+ (set-class-type-translation new-value classoid))))