Comment by andai

> For most stuff, like an experiment, we obviously don't care, but when I do, I can usually one shot a file without any UB (which I check by reading the assembly output after building it with UBSAN)

Does this depend on the project, or part of a project? I'm wondering how far that scales, I don't know labor intensive it is -- maybe you can just look at the output and see that nothing funny is happening?