Ok, a few tests later here is what i got: creation:~/Kituri/wine/wine-git # git bisect bad Bisecting: 0 revisions left to test after this [e7f4f3b69cbf9a5e248fbf696f11c281f9f20a70] inetcomm: Prevent possible dereferences (Coverity). creation:~/Kituri/wine/wine-git # git bisect good 24d6c88d16c46f00d99fd8529196590aca88b0f4 is first bad commit commit 24d6c88d16c46f00d99fd8529196590aca88b0f4 Author: Nikolay Sivov <bunglehead@xxxxxxxxx> Date: Wed May 13 23:23:57 2009 +0400 comctl32/tab: Fix TabCtrl_* macros. :040000 040000 6f5c53542ea56d4c2eebcd5188b32887437ce3e3 d45870d7f52f1e2983c2e6cb26dbc832c0709549 M include So feel free to post this as a bug report to bugzilla . But how can this help me?