/usr/lib/ghc-doc/hoogle/libghc-ifelse-doc.txt is in libghc-ifelse-doc 0.85-11.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-ifelse-doc/html/IfElse.txt