No, that's not gonna be happen. We all know that government was categorize in centralization system while Bitcoin was categorize in decentralization were obviously the government can't able to control bitcoin because of this wonderful and great features of bitcoin.
As of now there is no definite effect to the economy of a certain country so the possibility is buying is still legit to some country and in fact it will uplift the economic status their citizen because of extra income, if people had extra money they will buy and the market place will increase profit and the more the government can collect more taxes.