http://bugs.winehq.org/show_bug.cgi?id=58603
--- Comment #4 from portaldevice@tutanota.com --- The past 3 hours I have attempted to bisect unsuccessfully. Normal wine is perfectly unaffected. The issue has been present since *at least* 10.7, but I can not go farther because I am getting compilation issues below that version, possibly due to dependency hell.
However, I believe there is another way forward: Manually deleting the patches in wine-staging until I have found the one that is causing the issue. Yet there are 147 patches and it would take me too long to test them all. I think maybe it would be possible if I do them in groups, e.g delete half of them. Issue still present? delete another half. Is this a viable approach or are there gotchas?