> (At least this article provides a good explanation of advantages to be had from being aggressively pedantic about UB. Many by way of evidence just wave their

> (At least this article provides a good explanation of advantages to be had from being aggressively pedantic about UB. Many by way of evidence just wave their hands and claim people are stupid.) This. While it doesn't show how much real programs benefit from these UB assumptions (or how many new security bugs are introduced...), at least it has some explanations. Still, you have to ask yourself whether the compiler is a tool to help you do your work, or a perverse, pedantic, and frustrating adversary. The ultimate "UB optimizer" would do its best to find tiny corners of undefined behavior in your program, then replace the whole thing with "exit(0)".