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diff --git a/test-suite/bugs/closed/7011.v b/test-suite/bugs/closed/7011.v
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+++ b/test-suite/bugs/closed/7011.v
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+(* Fix and Cofix were missing in tactic unification *)
+
+Goal exists e, (fix foo (n : nat) : nat := match n with O => e | S n' => foo n' end)
+               = (fix foo (n : nat) : nat := match n with O => O | S n' => foo n' end).
+Proof.
+  eexists.
+  reflexivity.
+Qed.
+
+CoInductive stream := cons : nat -> stream -> stream.
+
+Goal exists e, (cofix foo := cons e foo) = (cofix foo := cons 0 foo).
+Proof.
+  eexists.
+  reflexivity.
+Qed.