diff -r c10ab96dcf41 -r 8e4ff85cdd16 hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.cpp
--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.cpp	Thu Jun 07 18:05:09 2012 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2002, 2010, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "gc_implementation/concurrentMarkSweep/freeBlockDictionary.hpp"
-#ifdef TARGET_OS_FAMILY_linux
-# include "thread_linux.inline.hpp"
-#endif
-#ifdef TARGET_OS_FAMILY_solaris
-# include "thread_solaris.inline.hpp"
-#endif
-#ifdef TARGET_OS_FAMILY_windows
-# include "thread_windows.inline.hpp"
-#endif
-#ifdef TARGET_OS_FAMILY_bsd
-# include "thread_bsd.inline.hpp"
-#endif
-
-#ifndef PRODUCT
-Mutex* FreeBlockDictionary::par_lock() const {
-  return _lock;
-}
-
-void FreeBlockDictionary::set_par_lock(Mutex* lock) {
-  _lock = lock;
-}
-
-void FreeBlockDictionary::verify_par_locked() const {
-#ifdef ASSERT
-  if (ParallelGCThreads > 0) {
-    Thread* myThread = Thread::current();
-    if (myThread->is_GC_task_thread()) {
-      assert(par_lock() != NULL, "Should be using locking?");
-      assert_lock_strong(par_lock());
-    }
-  }
-#endif // ASSERT
-}
-#endif