/usr/lib/ghc-doc/hoogle/libghc-chasingbottoms-doc.txt is in libghc-chasingbottoms-doc 1.3.0.8-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-chasingbottoms-doc/html/ChasingBottoms.txt