/usr/ is in libghc-th-extras-prof 0.0.0.4-3build2.
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/th-extras-0.0.0.4-C6W7PIi8i4f9tOu531iytM/
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/th-extras-0.0.0.4-C6W7PIi8i4f9tOu531iytM/Language//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/th-extras-0.0.0.4-C6W7PIi8i4f9tOu531iytM/Language/Haskell//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/th-extras-0.0.0.4-C6W7PIi8i4f9tOu531iytM/Language/Haskell/TH//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/th-extras-0.0.0.4-C6W7PIi8i4f9tOu531iytM/Language/Haskell/TH/Extras.p_hi
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/th-extras-0.0.0.4-C6W7PIi8i4f9tOu531iytM/libHSth-extras-0.0.0.4-C6W7PIi8i4f9tOu531iytM_p.a
/usr/share/
/usr/share/doc/
/usr/share/doc/libghc-th-extras-prof/
/usr/share/doc/libghc-th-extras-prof/copyright
/usr/share/doc/libghc-th-extras-prof/changelog.Debian.gz