--- a/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLReadArgumentNode.java	Wed Jan 29 20:43:28 2014 -0800
+++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLReadArgumentNode.java	Wed Jan 29 20:45:43 2014 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,7 +31,7 @@
 
     private final int index;
 
-    private final BranchProfile outOfBounds = new BranchProfile();
+    private final BranchProfile outOfBoundsTaken = new BranchProfile();
 
     public SLReadArgumentNode(int index) {
         this.index = index;
@@ -43,8 +43,8 @@
         if (index < args.length) {
             return args[index];
         } else {
-            outOfBounds.enter();
-            return SLNull.INSTANCE;
+            outOfBoundsTaken.enter();
+            return SLNull.SINGLETON;
         }
     }
 }