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diff --git a/test-suite/bugs/closed/3777.v b/test-suite/bugs/closed/3777.v
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+++ b/test-suite/bugs/closed/3777.v
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+Module WithoutPoly.
+  Unset Universe Polymorphism.
+  Definition foo (A : Type@{i}) (B : Type@{i}) := A -> B.
+  Set Printing Universes.
+  Definition bla := ((@foo : Set -> _ -> _) : _ -> Type -> _).
+  (* ((fun A : Set => foo A):Set -> Type@{Top.55} -> Type@{Top.55})
+:Set -> Type@{Top.55} -> Type@{Top.55}
+     : Set -> Type@{Top.55} -> Type@{Top.55}
+(*  |= Set <= Top.55
+         *) *)
+End WithoutPoly.
+Module WithPoly.
+  Set Universe Polymorphism.
+  Definition foo (A : Type@{i}) (B : Type@{i}) := A -> B.
+  Set Printing Universes.
+  Fail Check ((@foo : Set -> _ -> _) : _ -> Type -> _).