http://bugs.winehq.org/show_bug.cgi?id=33009
--- Comment #2 from Roman Marusyk roman.marusyk@gmail.com 2013-02-18 16:46:19 CST --- MacOS10.8 /usr/include/objc/objc.h
typedef signed char BOOL;
it is a bad practice to return BOOL after bitwise operation. good practice is always to compare with zero.