Also, for what it's worth, it's easy to change, if you're building with cargo (basically everyone does) [profile.release] overflow-checks = true There

Also, for what it's worth, it's easy to change, if you're building with cargo (basically everyone does) [profile.release] overflow-checks = true There have been a few projects where I've set this for one reason or another (e.g. because I'm dealing with intentionally wrapping arithmetic and I want the program to shout if I make a mistake).