http://bugs.winehq.org/show_bug.cgi?id=16984
--- Comment #4 from Vitaliy Margolen vitaliy@kievinfo.com 2009-01-18 14:45:57 --- (In reply to comment #3)
Bisecting: 163 revisions left to test after this
That's just the beginning of a regression testing. You have to compile Wine, test your app, if it works - 'git bisect good' if it doesn't - 'git bisect bad'.