(:primitive
(error "Cannot redefine standard type ~S." name))
(:defined
- (warn "Redefining DEFTYPE type to be a class: ~S" name)
+ (warn "redefining DEFTYPE type to be a class: ~
+ ~/sb-impl::print-symbol-with-prefix/" name)
(setf (info :type :expander name) nil
(info :type :lambda-list name) nil
(info :type :source-location name) nil)))