VM_Word status = getBootTimeAvailableBits(ref, tib, size, isScalar, VM_Word.zero());
VM_Word status = getBootTimeAvailableBits(ref, tib, size, VM_Word.zero());
  public static void initializeHeader(BootImageInterface bootImage, int ref,                                      Object[] tib, int size, boolean isScalar)    throws VM_PragmaInterruptible {    //    int status = VM_JavaHeader.readAvailableBitsWord(bootImage, ref);    VM_Word status = getBootTimeAvailableBits(ref, tib, size, isScalar, VM_Word.zero());    VM_JavaHeader.writeAvailableBitsWord(bootImage, ref, status);  }