/usr/lib/haskell-packages/ghc/ is in libghc-ansi-wl-pprint-prof 0.6.7.3-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/haskell-packages/ghc/lib/
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.1/
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.1/ansi-wl-pprint-0.6.7.3-LVnipygDrAR1FEMFhjxcQX//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.1/ansi-wl-pprint-0.6.7.3-LVnipygDrAR1FEMFhjxcQX/Text//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.1/ansi-wl-pprint-0.6.7.3-LVnipygDrAR1FEMFhjxcQX/Text/PrettyPrint//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.1/ansi-wl-pprint-0.6.7.3-LVnipygDrAR1FEMFhjxcQX/Text/PrettyPrint/ANSI//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.1/ansi-wl-pprint-0.6.7.3-LVnipygDrAR1FEMFhjxcQX/Text/PrettyPrint/ANSI/Leijen.p_hi
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.1/ansi-wl-pprint-0.6.7.3-LVnipygDrAR1FEMFhjxcQX/libHSansi-wl-pprint-0.6.7.3-LVnipygDrAR1FEMFhjxcQX_p.a