namespace M =
  function mf() = mg()
  function mg() = mf()

namespace N =
  function nf() = ng() + M.mf() + M.mg()
  private function ng() = nf() + M.mf() + M.mg()

contract C =
  entrypoint f() = N.ng() + N.nf() + g()
  function g() = N.ng() + N.nf() + f()