;; in the safe code. If a function MUST signal errors, then it is
;; not unsafely-flushable even if it is movable or foldable.
unsafely-flushable
+ ;; return value is important, and ignoring it is probably a mistake.
+ ;; Unlike the other attributes, this is used only for style
+ ;; warnings and has no effect on optimization.
+ important-result
;; may be moved with impunity. Has no side effects except possibly
;; consing, and is affected only by its arguments.
;;
;;; and optimizers.
(declaim (ftype (function (list list attributes &key
(:derive-type (or function null))
- (:optimizer (or function null)))
+ (:optimizer (or function null))
+ (:destroyed-constant-args (or function null)))
*)
%defknown))
(defun %defknown (names type attributes &key derive-type optimizer destroyed-constant-args)