{ unusualReferenceMaps[extramapindex + i] = unusualReferenceMaps[index + i];   }
unusualReferenceMaps[extramapindex + i] = unusualReferenceMaps[index + i];
  private void copyBitMap ( int extramapindex, int index)    {      if (VM.TraceStkMaps)      {              VM.sysWrite(" copyBitMap from map index = ");              VM.sysWrite( index);              //VM.sysWrite("\n");              VM.sysWrite(" copyBitMap from value = ");              VM.sysWrite( unusualReferenceMaps[index]);              VM.sysWrite("\n");      }      // copy the map over to the extra map      for ( int i = 0; i < bytesPerMap; i++)	{          unusualReferenceMaps[extramapindex + i] = unusualReferenceMaps[index + i];	  //         index ++;	  //         extramapindex++;        }     if (VM.TraceStkMaps)      {              VM.sysWrite(" extraUnusualBitMap index = ");              VM.sysWrite( extramapindex);              //VM.sysWrite("\n");              VM.sysWrite(" extraunusualBitMap value = ");              VM.sysWrite( unusualReferenceMaps[extramapindex]);              VM.sysWrite("\n");      }      return;    }