src/share/vm/gc_implementation/g1/concurrentMark.hpp

*** 676,687 ****
--- 676,691 ----
    }
  
    ConcurrentMark(G1CollectedHeap* g1h,
                   G1RegionToSpaceMapper* prev_bitmap_storage,
                   G1RegionToSpaceMapper* next_bitmap_storage);
+ 
+  private:
+   // The ConcurrentMark instance is never freed.
    ~ConcurrentMark();
  
+  public:
    ConcurrentMarkThread* cmThread() { return _cmThread; }
  
    CMBitMapRO* prevMarkBitMap() const { return _prevMarkBitMap; }
    CMBitMap*   nextMarkBitMap() const { return _nextMarkBitMap; }