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diff --git a/7133138.patch b/7133138.patch
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new file mode 100644
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index 0000000..882f15f
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--- /dev/null
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+++ b/7133138.patch
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@@ -0,0 +1,38 @@
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+--- sun/tools/javazic/Mappings.java.orig 2015-04-13 12:44:10.000000000 -0400
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++++ sun/tools/javazic/Mappings.java 2015-04-13 12:45:28.000000000 -0400
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+@@ -1,5 +1,5 @@
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+ /*
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+- * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
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++ * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
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+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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+ *
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+ * This code is free software; you can redistribute it and/or modify it
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+@@ -26,6 +26,7 @@
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+ package sun.tools.javazic;
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+
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+ import java.util.ArrayList;
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++import java.util.HashMap;
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+ import java.util.LinkedList;
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+ import java.util.List;
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+ import java.util.Map;
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+@@ -162,6 +163,20 @@
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+ for (String key : toBeRemoved) {
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+ aliases.remove(key);
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+ }
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++ // Eliminate any alias-to-alias mappings. For example, if
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++ // there are A->B and B->C, A->B is changed to A->C.
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++ Map<String, String> newMap = new HashMap<String, String>();
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++ for (String key : aliases.keySet()) {
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++ String realid = aliases.get(key);
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++ String leaf = realid;
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++ while (aliases.get(leaf) != null) {
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++ leaf = aliases.get(leaf);
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++ }
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++ if (!realid.equals(leaf)) {
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++ newMap.put(key, leaf);
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++ }
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++ }
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++ aliases.putAll(newMap);
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+ }
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+
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+ Map<String,String> getAliases() {
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