From cfbfe13f5b515ae2e3c6cdd97e2ccee03bc26e56 Mon Sep 17 00:00:00 2001
From: Stephane Glondu <steph@glondu.net>
Date: Sun, 1 Feb 2009 00:54:40 +0100
Subject: Imported Upstream version 8.2~rc2+dfsg

---
 test-suite/bugs/closed/shouldsucceed/1963.v | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 test-suite/bugs/closed/shouldsucceed/1963.v

(limited to 'test-suite/bugs/closed/shouldsucceed/1963.v')

diff --git a/test-suite/bugs/closed/shouldsucceed/1963.v b/test-suite/bugs/closed/shouldsucceed/1963.v
new file mode 100644
index 00000000..11e2ee44
--- /dev/null
+++ b/test-suite/bugs/closed/shouldsucceed/1963.v
@@ -0,0 +1,19 @@
+(* Check that "dependent inversion" behaves correctly w.r.t to universes *)
+
+Require Import Eqdep.
+
+Set Implicit Arguments.
+
+Inductive illist(A:Type) : nat -> Type :=
+  illistn : illist A 0
+| illistc : forall n:nat, A -> illist A n -> illist A (S n).
+
+Inductive isig (A:Type)(P:A -> Type) : Type :=
+  iexists : forall x : A, P x -> isig P.
+
+Lemma inv : forall (A:Type)(n n':nat)(ts':illist A n'), n' = S n ->
+  isig (fun t => isig (fun ts =>
+    eq_dep nat (fun n => illist A n) n' ts' (S n) (illistc t ts))).
+Proof.
+intros.
+dependent inversion ts'.
-- 
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