(Debian bug count from http://master.debian.org/~ajt)
Heard as an aside: "that project's got more bugs than revisions!"
Which made me think what kind of project might reasonably expect that statement to be true. The space shuttle software as a whole, perhaps? Lots of testing implies lots of bugs, and scrupulous code reviews means fewer commits.
At the other end of things, many small projects might get a few hundred revisions and then a few hundred bugs over time. Of course, most bugs will end up closed in one way or another.
Anybody able to point to a real project with more bugs than revisions?