;; This is computed lazily by CONTINUATION-DERIVED-TYPE, so use
;; CONTINUATION-TYPE-CHECK instead of the %'ed slot accessor.
(%type-check t :type (member t nil :deleted :no-check))
+ ;; Cached type which is checked by DEST. If NIL, then this must be
+ ;; recomputed: see CONTINUATION-EXTERNALLY-CHECKABLE-TYPE.
+ (%externally-checkable-type nil :type (or null ctype))
;; something or other that the back end annotates this continuation with
(info nil)
;; uses of this continuation in the lexical environment. They are