subtractPointers
ftp://ftp.de.debian.org/debian/pool/main/g/gnugo/gnugo_3.8.orig.tar.gz
head gnugo-3.8/patterns/mkpat.c:2275:40: error: Subtracting pointers that point to different objects [subtractPointers]
head gnugo-3.8/patterns/mkpat.c:2332:45: error: Subtracting pointers that point to different objects [subtractPointers]
ftp://ftp.de.debian.org/debian/pool/main/s/screen/screen_4.9.1.orig.tar.gz
head screen-4.9.1/misc.c:634:52: error: Subtracting pointers that point to different objects [subtractPointers]