> how am I supposed to recognise it as a bug or otherwise, when the code to call it hasn't even been written yet? You would just leave a comment on the change,

> how am I supposed to recognise it as a bug or otherwise, when the code to call it hasn't even been written yet? You would just leave a comment on the change, and ask for the author to explain themselves? Or propose they fix it? I mean, that's the entire reason you're doing the code review?