# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1410176980 -7200
# Node ID a6277ae87f0e0ff6a6ce43d16173bd226fce83f2
# Parent  75dd27a1d79f0af80cba7716b5217b44d11c6d48
ensure NodeRefIterator.Empty.hasNext() returns false

diff -r 75dd27a1d79f -r a6277ae87f0e graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeRefIterator.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeRefIterator.java	Mon Sep 08 13:26:52 2014 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeRefIterator.java	Mon Sep 08 13:49:40 2014 +0200
@@ -102,6 +102,8 @@
         // This must be set here to prevent multiple threads racing to
         // call forward() which never needs to be done for Empty.
         this.needsForward = false;
+        // Ensure hasNext() will always return false.
+        this.index = 0;
     }
 
     /**