> It's not like you stumble over UB in your daily work in C/C++... I don't know. I often help colleagues out with things like preprocessor nonsense and violati

> It's not like you stumble over UB in your daily work in C/C++... I don't know. I often help colleagues out with things like preprocessor nonsense and violations of the One Definition Rule. A lot of it has to do with difficult build and packaging tools. Actually standardizing a module system will be an important step in the right direction.