(cse_process_notes): Replace NULL_RTX with just zero.

From-SVN: r3795

diff --git a/gcc/cse.c b/gcc/cse.c
index 1f44d880884b8534538c965e36bb4241daba9e16..172731f5815e22d4075c7d83c21475d86a9ed70a 100644 (file)
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -7173,7 +7173,7 @@ cse_process_notes (x, object)
   for (i = 0; i < GET_RTX_LENGTH (code); i++)
     if (fmt[i] == 'e')
       validate_change (object, &XEXP (x, i),
-                      cse_process_notes (XEXP (x, i), object), NULL_RTX);
+                      cse_process_notes (XEXP (x, i), object), 0);
 
   return x;
 }