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diff --git a/test-suite/bugs/7333.v b/test-suite/bugs/7333.v
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+Module Example1.
+
+CoInductive wrap : Type :=
+ | item : unit -> wrap.
+
+Definition extract (t : wrap) : unit :=
+match t with
+| item x => x
+end.
+
+CoFixpoint close u : unit -> wrap :=
+match u with
+| tt => item
+end.
+
+Definition table : wrap := close tt tt.
+
+Eval vm_compute in (extract table).
+Eval vm_compute in (extract table).
+
+End Example1.
+
+Module Example2.
+
+Set Primitive Projections.
+CoInductive wrap : Type :=
+ item { extract : unit }.
+
+CoFixpoint close u : unit -> wrap :=
+match u with
+| tt => item
+end.
+
+Definition table : wrap := close tt tt.
+
+Eval vm_compute in (extract table).
+Eval vm_compute in (extract table).
+
+End Example2.