http://bugs.winehq.org/show_bug.cgi?id=34066
--- Comment #3 from camillo.lugaresi+wine@gmail.com 2013-07-18 18:07:12 CDT --- As for the hang in the Steam installer (which really should have been a separate bug report), it spends all its time inside GetNextDlgGroupItem. I guess Clang still has trouble compiling the dialog stuff.