/usr/lib/ghc-doc/hoogle/dyre.txt is in libghc-dyre-doc 0.8.11-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-dyre-doc/html/dyre.txt
/usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-dyre-doc/html/dyre.txt