unknownEvaluationOrder
ftp://ftp.de.debian.org/debian/pool/main/x/xserver-xorg-video-vmware/xserver-xorg-video-vmware_13.4.0.orig.tar.gz
2.18.0 xf86-video-vmware-13.4.0/src/vmwarevideo.c:907:19: error: Expression 'pVid->currBuf=++pVid->currBuf&(1-1)' depends on order of evaluation of side effects [unknownEvaluationOrder]