--- a/jdk/src/java.rmi/share/classes/sun/rmi/transport/ConnectionInputStream.java	Tue Mar 14 19:15:42 2017 -0700
+++ b/jdk/src/java.rmi/share/classes/sun/rmi/transport/ConnectionInputStream.java	Thu Mar 16 16:16:31 2017 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2017, 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
@@ -82,6 +82,14 @@
     }
 
     /**
+     * Discard the saved incoming refs so there is nothing to register
+     * when {@code registerRefs} is called.
+     */
+    void discardRefs() {
+        incomingRefTable.clear();
+    }
+
+    /**
      * Add references to DGC table (and possibly send dirty call).
      * RegisterRefs now calls DGCClient.referenced on all
      * refs with the same endpoint at once to achieve batching of