--- old/src/share/classes/com/sun/corba/se/impl/encoding/CDRInputStream.java	Mon Nov  7 11:19:53 2011
+++ new/src/share/classes/com/sun/corba/se/impl/encoding/CDRInputStream.java	Mon Nov  7 11:19:53 2011
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2011, 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
@@ -423,6 +423,13 @@
         impl.setByteBufferWithInfo(bbwi);
     }
 
+    /**
+     * return true if our ByteBuffer is sharing/equal to bb
+     */
+    protected final boolean isSharing(ByteBuffer bb) {
+        return (getByteBuffer() ==  bb);
+    }
+
     public final int getBufferLength() {
         return impl.getBufferLength();
     }