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diff --git a/test-suite/modules/fun_objects.v b/test-suite/modules/fun_objects.v
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+Implicit Arguments On.
+
+Module Type SIG.
+ Parameter id:(A:Set)A->A.
+End SIG.
+
+Module M[X:SIG].
+ Definition idid := (X.id X.id).
+ Definition id := (idid X.id).
+End M.
+
+Module N:=M.
+
+Module Nat.
+ Definition T := nat.
+ Definition x := O.
+ Definition id := [A:Set][x:A]x.
+End Nat.
+
+Module Z:=(N Nat).
+
+Check (Z.idid O).
+
+Module P[Y:SIG] := N.
+
+Module Y:=P Nat Z.
+
+Check (Y.id O).
+
+
+
+