diff -r 9374c04f38fe -r 60bc560df392 src/jdk/nashorn/internal/runtime/arrays/IteratorAction.java
--- a/src/jdk/nashorn/internal/runtime/arrays/IteratorAction.java	Wed Jun 05 12:17:10 2013 +0200
+++ b/src/jdk/nashorn/internal/runtime/arrays/IteratorAction.java	Wed Jun 05 12:44:24 2013 +0200
@@ -49,7 +49,7 @@
     protected T result;
 
     /** Current array index of iterator */
-    protected int index;
+    protected long index;
 
     /** Iterator object */
     private final ArrayLikeIterator<Object> iter;
@@ -134,6 +134,6 @@
      *
      * @throws Throwable if invocation throws an exception/error
      */
-    protected abstract boolean forEach(final Object val, final int i) throws Throwable;
+    protected abstract boolean forEach(final Object val, final long i) throws Throwable;
 
 }