diff -r 6e7e363c5a8f -r 595c0f60d50d src/share/vm/runtime/mutexLocker.hpp
--- a/src/share/vm/runtime/mutexLocker.hpp	Mon Mar 24 09:14:14 2014 -0700
+++ b/src/share/vm/runtime/mutexLocker.hpp	Tue Mar 18 19:07:22 2014 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -63,6 +63,8 @@
 extern Mutex*   VtableStubs_lock;                // a lock on the VtableStubs
 extern Mutex*   SymbolTable_lock;                // a lock on the symbol table
 extern Mutex*   StringTable_lock;                // a lock on the interned string table
+extern Monitor* StringDedupQueue_lock;           // a lock on the string deduplication queue
+extern Mutex*   StringDedupTable_lock;           // a lock on the string deduplication table
 extern Mutex*   CodeCache_lock;                  // a lock on the CodeCache, rank is special, use MutexLockerEx
 extern Mutex*   MethodData_lock;                 // a lock on installation of method data
 extern Mutex*   RetData_lock;                    // a lock on installation of RetData inside method data