/usr/ is in libghc-primes-prof 0.2.1.0-10build1.
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/primes-0.2.1.0-BN5qcmPxb1H2keY7Pz9jFX/
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/primes-0.2.1.0-BN5qcmPxb1H2keY7Pz9jFX/Data//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/primes-0.2.1.0-BN5qcmPxb1H2keY7Pz9jFX/Data/Numbers//
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/primes-0.2.1.0-BN5qcmPxb1H2keY7Pz9jFX/Data/Numbers/Primes.p_hi
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/primes-0.2.1.0-BN5qcmPxb1H2keY7Pz9jFX/libHSprimes-0.2.1.0-BN5qcmPxb1H2keY7Pz9jFX_p.a
/usr/share/
/usr/share/doc/
/usr/share/doc/libghc-primes-prof/
/usr/share/doc/libghc-primes-prof/copyright
/usr/share/doc/libghc-primes-prof/README
/usr/share/doc/libghc-primes-prof/changelog.Debian.gz