/usr/share/doc/libtirpc-dev/changelog.Debian.gz is in libtirpc-dev 0.2.2-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libtirpc-dev/../libtirpc1/changelog.Debian.gz
/usr/share/doc/libtirpc-dev/../libtirpc1/changelog.Debian.gz