I am not suggesting someone should answer with "segfault" and in fact I think that might be a worse answer than just "UB". A good answer would be something lik

I am not suggesting someone should answer with "segfault" and in fact I think that might be a worse answer than just "UB". A good answer would be something like "UB according to the standard, but often segfault in real-world code on x86"...