diff --git a/compiler/generic/vm-fndb.lisp b/compiler/generic/vm-fndb.lisp
index 5c02197b0691f3366e01cc1290a85337024f5ed9..8f222e97da98422f4c838b31f24d8167a561774b 100644
--- a/compiler/generic/vm-fndb.lisp
+++ b/compiler/generic/vm-fndb.lisp
@@ -5,7 +5,7 @@
 ;;; Carnegie Mellon University, and has been placed in the public domain.
 ;;;
 (ext:file-comment
-  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/generic/vm-fndb.lisp,v 1.62 1999/02/25 13:03:13 pw Exp $")
+  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/generic/vm-fndb.lisp,v 1.63 2000/07/09 16:08:43 dtc Exp $")
 ;;;
 ;;; **********************************************************************
 ;;;
@@ -283,23 +283,23 @@
 
 (defknown copy-to-system-area
 	  ((simple-unboxed-array (*)) index system-area-pointer index index)
-  null
+  t
   ())
 
 (defknown copy-from-system-area
 	  (system-area-pointer index (simple-unboxed-array (*)) index index)
-  null
+  t
   ())
 
 (defknown system-area-copy
 	  (system-area-pointer index system-area-pointer index index)
-  null
+  t
   ())
 
 (defknown bit-bash-copy
 	  ((simple-unboxed-array (*)) index
 	   (simple-unboxed-array (*)) index index)
-  null
+  t
   ())