Re-entry's the hardest part. One bad weld or seam and Yang Liwei becomes Mongolian BBQ in about 5 seconds.
Besides, if I don't see the splashdown or landing and see this guy climb right out of it, then the odds are better than even that he was killed on landing and then replaced.
China will be upfront if this happens. Even if they have a disaster, they will only be delayed. Conquering outer space is a big deal for them.