shiftNegative
ftp://ftp.de.debian.org/debian/pool/main/a/aeskeyfind/aeskeyfind_1.0.orig.tar.gz
head aeskeyfind/util.h:11:44: error: Shifting by a negative value is undefined behaviour [shiftNegative]
ftp://ftp.de.debian.org/debian/pool/main/o/orafce/orafce_4.14.3.orig.tar.gz
head orafce-VERSION_4_14_3/plvdate.c:560:44: error: Shifting by a negative value is undefined behaviour [shiftNegative]
ftp://ftp.de.debian.org/debian/pool/main/r/r-bioc-biostrings/r-bioc-biostrings_2.74.1+dfsg.orig.tar.xz
head Biostrings/src/utils.c:107:23: error: Shifting by a negative value is undefined behaviour [shiftNegative]