/usr/lib/haskell-packages/ is in libghc-data-default-instances-old-locale-prof 0.0.1-7build1.
This file is owned by root:root, with mode 0o755.
..
/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/data-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/data-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l/Data//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/data-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l/Data/Default//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/data-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l/Data/Default/Instances//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/data-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l/Data/Default/Instances/OldLocale.p_hi
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/data-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l/libHSdata-default-instances-old-locale-0.0.1-9zaGDEmgOixKkmLylWdN5l_p.a