diff --git a/7133138.patch b/7133138.patch
new file mode 100644
index 0000000..882f15f
--- /dev/null
+++ b/7133138.patch
@@ -0,0 +1,38 @@
+--- sun/tools/javazic/Mappings.java.orig       2015-04-13 12:44:10.000000000 -0400
++++ sun/tools/javazic/Mappings.java    2015-04-13 12:45:28.000000000 -0400
+@@ -1,5 +1,5 @@
+ /*
+- * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
++ * Copyright (c) 2000, 2012, 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
+@@ -26,6 +26,7 @@
+ package sun.tools.javazic;
+ 
+ import        java.util.ArrayList;
++import java.util.HashMap;
+ import        java.util.LinkedList;
+ import        java.util.List;
+ import        java.util.Map;
+@@ -162,6 +163,20 @@
+       for (String key : toBeRemoved) {
+           aliases.remove(key);
+       }
++        // Eliminate any alias-to-alias mappings. For example, if
++        // there are A->B and B->C, A->B is changed to A->C.
++        Map<String, String> newMap = new HashMap<String, String>();
++        for (String key : aliases.keySet()) {
++            String realid = aliases.get(key);
++            String leaf = realid;
++            while (aliases.get(leaf) != null) {
++                leaf = aliases.get(leaf);
++            }
++            if (!realid.equals(leaf)) {
++                newMap.put(key, leaf);
++            }
++        }
++        aliases.putAll(newMap);
+     }
+ 
+     Map<String,String> getAliases() {