Do you mean this debugging interview in particular, because it could potentially be useful work fixing a real bug for them? To be clear, it isn't an extant bug. I think the way they do it is they take an interesting (but fairly straightforward) real bug that they fixed at some point, and they back out the fix.
Do you mean this debugging interview in particular, because it could potentially be useful work fixing a real bug for them? To be clear, it isn't an extant bug. I think the way they do it is they take an interesting (but fairly straightforward) real bug that they fixed at some point, and they back out the fix.