/usr/lib/ is in libghc-monad-control-prof 1.0.2.2-1.
This file is owned by root:root, with mode 0o755.
..
/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/monad-control-1.0.2.2-3gi0rBT0RRq8S2cSqiTk2r//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/monad-control-1.0.2.2-3gi0rBT0RRq8S2cSqiTk2r/Control//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/monad-control-1.0.2.2-3gi0rBT0RRq8S2cSqiTk2r/Control/Monad//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/monad-control-1.0.2.2-3gi0rBT0RRq8S2cSqiTk2r/Control/Monad/Trans//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/monad-control-1.0.2.2-3gi0rBT0RRq8S2cSqiTk2r/Control/Monad/Trans/Control.p_hi
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/monad-control-1.0.2.2-3gi0rBT0RRq8S2cSqiTk2r/libHSmonad-control-1.0.2.2-3gi0rBT0RRq8S2cSqiTk2r_p.a