* java/util/BitSet.java (BitSet(int)): if nbits < 0 throw NegativeArraySizeException (clear(int)): Use sign extended shift. (flip(int)): Likewise. (get(int)): Likewise. (nextClearBit(int)): Likewise. (nextSetBit(int)): Likewise. (set(int)): Likewise. From-SVN: r51701