/usr/lib/ghc-doc/hoogle/snap-loader-dynamic.txt is in libghc-snap-loader-dynamic-doc 0.10-1build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-snap-loader-dynamic-doc/html/snap-loader-dynamic.txt