* rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.

From-SVN: r17400

gcc/ChangeLog

@@ -23,6 +23,8 @@ Sat Jan 17 21:24:16 1998  David T. McWherter <dtm@waterw.com>
 
 Sat Jan 17 21:16:19 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
+
 	* loop.c (find_and_verify_loops): When attempting to move insns from
 	inside the loop outside the loop, create a BARRIER if no suitable
 	one was found.

gcc/rtl.c

@@ -665,7 +665,7 @@ read_rtx (infile)
       case 'E':
 	{
 	  register struct rtx_list *next_rtx, *rtx_list_link;
-	  struct rtx_list *list_rtx = NULL_RTX;
+	  struct rtx_list *list_rtx = NULL;
 
 	  c = read_skip_spaces (infile);
 	  if (c != '[')