/usr/share/doc/libghc-old-locale-prof/changelog.Debian.gz is in libghc-old-locale-prof 1.0.0.7-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libghc-old-locale-prof/../libghc-old-locale-dev/changelog.Debian.gz