try yet again!!

src/main/resources/org/sablecc/sablecc/utils.txt

@@ -309,13 +309,13 @@ public abstract class Node extends PositionedNode implements Switchable, Cloneab
         return null;
     }
 
-    protected <T> List<T> cloneList(List<T> list)
+    protected <T extends Node> List<T> cloneList(List<T> list)
     {
         List<T> clone = new LinkedList<T>();
 
         for(T n : list)
         {
-            clone.add(cloneNode((Node) n));
+            clone.add(cloneNode(n));
         }
 
         return clone;