src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp

*** 4929,4939 ****
        clean_nmethod_postponed(nm);
      }
    }
  };
  
! Monitor* G1CodeCacheUnloadingTask::_lock = new Monitor(Mutex::leaf, "Code Cache Unload lock");
  
  class G1KlassCleaningTask : public StackObj {
    BoolObjectClosure*                      _is_alive;
    volatile jint                           _clean_klass_tree_claimed;
    ClassLoaderDataGraphKlassIteratorAtomic _klass_iterator;
--- 4929,4939 ----
        clean_nmethod_postponed(nm);
      }
    }
  };
  
! Monitor* G1CodeCacheUnloadingTask::_lock = new Monitor(Mutex::leaf, "Code Cache Unload lock", false, Monitor::_safepoint_check_never);
  
  class G1KlassCleaningTask : public StackObj {
    BoolObjectClosure*                      _is_alive;
    volatile jint                           _clean_klass_tree_claimed;
    ClassLoaderDataGraphKlassIteratorAtomic _klass_iterator;