Word status = Plan.getBootTimeAvailableBits(ref.toInt(),
Word status = Plan.getBootTimeAvailableBits(ref,
  public static void initializeHeader(BootImageInterface bootImage, Offset ref,                                      Object[] tib, int size, boolean isScalar)    throws InterruptiblePragma {    //    int status = VM_JavaHeader.readAvailableBitsWord(bootImage, ref);    Word status = Plan.getBootTimeAvailableBits(ref.toInt(),       ObjectReference.fromObject(tib), size, Word.zero());    VM_JavaHeader.writeAvailableBitsWord(bootImage, ref.toInt(), status);  }