201     assert(_ref != _first_seen, "cyclic ref_list found");

   201     assert(_ref != _first_seen, "cyclic ref_list found");

   202     NOT_PRODUCT(_processed++);

   202     NOT_PRODUCT(_processed++);

   203   }

   203   }

   204 };

   204 };

   205 

   205 

   207  protected:

   207  protected:

   208   // Compatibility with pre-4965777 JDK's

   208   // Compatibility with pre-4965777 JDK's

   209   static bool _pending_list_uses_discovered_field;

   209   static bool _pending_list_uses_discovered_field;

   210 

   210 

   211   // The SoftReference master timestamp clock

   211   // The SoftReference master timestamp clock