Perhaps Korea or Japan, but in practice nobody, and that's partly by design. Taiwan being the core producer of the super high end chips is guaranteing them tha

Perhaps Korea or Japan, but in practice nobody, and that's partly by design. Taiwan being the core producer of the super high end chips is guaranteing them that if a war ever happens, they won't be left as sacrifice to the opponent while the rest of the world goes business as usual. They critically need to be a strategic and non replaceable producer.