/usr/share/doc/libghc-stateref-prof/changelog.Debian.gz is in libghc-stateref-prof 0.3-3build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libghc-stateref-prof/../libghc-stateref-dev/changelog.Debian.gz