if (VM.VerifyAssertions) VM.assert(jniIterator!=null);
if (VM.VerifyAssertions) VM._assert(jniIterator!=null);
  VM_GCMapIterator getJniIterator() throws VM_PragmaUninterruptible {    if (VM.VerifyAssertions) VM.assert(jniIterator!=null);    return jniIterator;    }