*** old/src/share/vm/runtime/mutexLocker.hpp	Thu Nov  6 12:39:42 2014
--- new/src/share/vm/runtime/mutexLocker.hpp	Thu Nov  6 12:39:41 2014

*** 204,220 ****
--- 204,220 ----
    MutexLockerEx(Monitor * mutex, bool no_safepoint_check = !Mutex::_no_safepoint_check_flag) {
      _mutex = mutex;
      if (_mutex != NULL) {
        assert(mutex->rank() > Mutex::special || no_safepoint_check,
          "Mutexes with rank special or lower should not do safepoint checks");
+ 
        if (no_safepoint_check)
          _mutex->lock_without_safepoint_check();
        else
          _mutex->lock();
      }
    }
  
    ~MutexLockerEx() {
      if (_mutex != NULL) {
        _mutex->unlock();
      }
    }