/usr/ is in libghc-yesod-default-prof 1.2.0-8build10.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/haskell-packages/
/usr/lib/haskell-packages/ghc/
/usr/lib/haskell-packages/ghc/lib/
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/yesod-default-1.2.0-BKR0E79JxdJ5cDeLZRe3M2//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/yesod-default-1.2.0-BKR0E79JxdJ5cDeLZRe3M2/Yesod//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/yesod-default-1.2.0-BKR0E79JxdJ5cDeLZRe3M2/Yesod/Default//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/yesod-default-1.2.0-BKR0E79JxdJ5cDeLZRe3M2/Yesod/Default/Ignore.p_hi
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/yesod-default-1.2.0-BKR0E79JxdJ5cDeLZRe3M2/libHSyesod-default-1.2.0-BKR0E79JxdJ5cDeLZRe3M2_p.a
/usr/share/
/usr/share/doc/
/usr/share/doc/libghc-yesod-default-prof/
/usr/share/doc/libghc-yesod-default-prof/copyright
/usr/share/doc/libghc-yesod-default-prof/changelog.Debian.gz