X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ffop.lisp;h=e8c3a3769774178c56cdbaa2a31eb59cc99cd9b1;hb=2c6b90e36a7c0377cd79625eb6c94d580f98cb93;hp=3d1df115e8a7208ac303d485bbe6d7ed34c4ac66;hpb=f0338f6fa732b21daa4405e19465bd460e0526d9;p=sbcl.git

diff --git a/src/code/fop.lisp b/src/code/fop.lisp
index 3d1df11..e8c3a37 100644
--- a/src/code/fop.lisp
+++ b/src/code/fop.lisp
@@ -65,7 +65,7 @@
 ;;; know both the 1-byte-arg and the 4-byte-arg fop names. -- WHN 19990902
 (defmacro define-cloned-fops ((name code &optional (pushp t))
 			      (small-name small-code) &rest forms)
-  (check-type pushp (member nil t :nope))
+  (aver (member pushp '(nil t :nope)))
   `(progn
      (macrolet ((clone-arg () '(read-arg 4)))
        (define-fop (,name ,code ,pushp) ,@forms))