@@ -1127,10 +1127,11 @@ (ConcurrentSkipListMap<K,V>) super.clone(); clone.keySet = null; clone.entrySet = null; clone.values = null; clone.descendingMap = null; + clone.adder = null; clone.buildFromSorted(this); return clone; } catch (CloneNotSupportedException e) { throw new InternalError(); }