if (intBufferLockOffset != -1) {
if (!intBufferLockOffset.isMax()) {
  private static char [] grabIntBuffer() {    if (intBufferLockOffset != -1) {      while (!VM_Synchronization.testAndSet(VM_Magic.getJTOC(),                                             intBufferLockOffset, 1))         ;    }    return intBuffer;  }