diff --git a/compiler/ir1util.lisp b/compiler/ir1util.lisp index 1ecf115a5de03bf7cf797f64974b22e9b929e949..b24acdb6ced9275e6bb91f6ea85af06a343b3f42 100644 --- a/compiler/ir1util.lisp +++ b/compiler/ir1util.lisp @@ -7,7 +7,7 @@ ;;; Scott Fahlman or slisp-group@cs.cmu.edu. ;;; (ext:file-comment - "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/ir1util.lisp,v 1.54 1992/04/18 12:06:57 ram Exp $") + "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/ir1util.lisp,v 1.55 1992/06/02 00:35:25 ram Exp $") ;;; ;;; ********************************************************************** ;;; @@ -922,9 +922,12 @@ (let ((dest (continuation-dest cont))) (when dest - (let ((block (node-block dest))) - (unless (block-delete-p block) - (mark-for-deletion block))))) + (let ((prev (node-prev dest))) + (when (and prev + (not (eq (continuation-kind prev) :deleted))) + (let ((block (continuation-block prev))) + (unless (block-delete-p block) + (mark-for-deletion block))))))) (setf (continuation-kind cont) :deleted) (setf (continuation-dest cont) nil)