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

module type S = sig type 'a t end
module type Sp = sig type 'a t = private 'a array end

module Id (S : S) = S

module M : Sp = struct
  include Id (struct type 'a t = 'a array end)
end