It hangs fairly often due to bug 6985 (cyclic __proto__). I haven't run it long enough to be confident that it doesn't find crashes.
adding bug 6985 since it blocks using jsfunfuzz.
I will happily close this bug now, but if new issues come up from jsfunfuzz it should be reopened.
Lets keep this live for tracking purposes
Only one tracked bug left, so this isn't particularly useful for tracking porpoises any more.
*** This bug has been marked as a duplicate of bug 23089 ***