I've been hunting for an overturn or law change and have found none. In particular with regards to ASIAN countries.
What you need to do is research the law to find out what leads to expatriation today.
I'd do my search for that word and see where it leads.
Anyway, here's a reference to a DOJ survey of the law(s) on expatriation: http://www.usdoj.gov/olc/expatriation.htm