(* TEST
flags = " -w a "
* setup-ocamlc.byte-build-env
** ocamlc.byte
*** check-ocamlc.byte-output
*)

module type S = sig
  module type T
  module X : T
end

module F (X : S) = X.X

module M = struct
  module type T = sig type t end
  module X = struct type t = int end
end

type t = F(M).t