/usr/lib/ghc-doc/hoogle/ALUT.txt is in libghc-alut-doc 2.2.0.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-alut-doc/html/ALUT.txt
/usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-alut-doc/html/ALUT.txt