shiftTooManyBits
ftp://ftp.de.debian.org/debian/pool/main/r/r-cran-cli/r-cran-cli_3.6.4.orig.tar.gz
cli/src/xxhash.h:4186:23: warning: Shifting 64-bit value by 64 bits is undefined behaviour. See condition at line 4185. [shiftTooManyBits]
ftp://ftp.de.debian.org/debian/pool/main/r/r-cran-digest/r-cran-digest_0.6.37.orig.tar.gz
digest/src/xxhash.h:4467:23: warning: Shifting 64-bit value by 64 bits is undefined behaviour. See condition at line 4466. [shiftTooManyBits]