/usr/lib/ghc-doc/hoogle/libghc-integer-logarithms-doc.txt is in libghc-integer-logarithms-doc 1.0.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-integer-logarithms-doc/html/integer-logarithms.txt