File: Test044.ML

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(* This will fail in ML97 although it was valid in ML90.
   Sharing is not transitive. *)
functor F(
    structure A: sig type t val x: t end
    structure B: sig end
    structure C: sig type t end
    sharing A = B sharing B = C
) =
struct
    val q = A.x : C.t
end;