His idea of flagging UB at compile-time is pretty obvious - I have to wonder what the economics are that it hasn't been an emphasis at all, all these years. I

His idea of flagging UB at compile-time is pretty obvious - I have to wonder what the economics are that it hasn't been an emphasis at all, all these years. I do get a facial tick when people say "all significant C programs use (or contain) UB." It's never been necessary and it's always been shameful.