diff --git a/compiler/node.lisp b/compiler/node.lisp index 96b8c76fc65a1110d04ebc24d3a09e969aac8751..1cfae84737adacec1e791e1cf9ec55314cd20ff3 100644 --- a/compiler/node.lisp +++ b/compiler/node.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/node.lisp,v 1.18 1991/11/05 14:38:05 ram Exp $") + "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/node.lisp,v 1.19 1991/11/09 22:08:11 ram Exp $") ;;; ;;; ********************************************************************** ;;; @@ -325,8 +325,11 @@ (:copier copy-block)) ;; ;; A list of all the blocks that are predecessors/successors of this block. - ;; In well-formed IR1, most blocks will have one or two successors. The only - ;; exceptions are component head blocks and block with DELETE-P set. + ;; In well-formed IR1, most blocks will have one successors. The only + ;; exceptions are: + ;; 1] component head blocks (any number) + ;; 2] blocks ending in an IF (1 or 2) + ;; 3] blocks with DELETE-P set (zero) (pred nil :type list) (succ nil :type list) ;;