/usr/share/doc/libghc-mtl-prof/changelog.Debian.gz is in libghc-mtl-prof 2.2.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libghc-mtl-prof/../libghc-mtl-dev/changelog.Debian.gz
/usr/share/doc/libghc-mtl-prof/../libghc-mtl-dev/changelog.Debian.gz