/usr/share/doc/liblld-5.0-dev/NEWS.Debian.gz is in liblld-5.0-dev 1:5.0.1-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/liblld-5.0-dev/../libllvm5.0/NEWS.Debian.gz
/usr/share/doc/liblld-5.0-dev/../libllvm5.0/NEWS.Debian.gz