if (VM.VerifyAssertions) VM.assert(id < bootRecord.heapRanges.length - 2);
if (VM.VerifyAssertions) VM._assert(id < bootRecord.heapRanges.length - 2);
  void setAuxiliary() throws VM_PragmaUninterruptible {         if (VM.VerifyAssertions) VM.assert(id < bootRecord.heapRanges.length - 2);     bootRecord.heapRanges[2 * id] = start.toInt();    bootRecord.heapRanges[2 * id + 1] = end.toInt();    minRef = VM_ObjectModel.minimumObjectRef(start);    maxRef = VM_ObjectModel.maximumObjectRef(end);    size = end.diff(start);  }