--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/AssignSymbols.java	2016-03-18 16:54:28.949727387 +0100
+++ new/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/AssignSymbols.java	2016-03-18 16:54:28.813727392 +0100
@@ -803,7 +803,7 @@
 
     @Override
     public Node leaveForNode(final ForNode forNode) {
-        if (forNode.isForIn()) {
+        if (forNode.isForIn() || forNode.isForOf()) {
             return forNode.setIterator(lc, newObjectInternal(ITERATOR_PREFIX)); //NASHORN-73
         }