From 7273f8f1e72fd2d72c6ea54c13895580e66b872d Mon Sep 17 00:00:00 2001
From: herbelin
Date: Fri, 27 Oct 2006 10:37:58 +0000
Subject: Check that sort-polymorphic inductive types is not too lax

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9297 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 test-suite/failure/proofirrelevance.v | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 test-suite/failure/proofirrelevance.v

diff --git a/test-suite/failure/proofirrelevance.v b/test-suite/failure/proofirrelevance.v
new file mode 100644
index 0000000000..eedf2612b3
--- /dev/null
+++ b/test-suite/failure/proofirrelevance.v
@@ -0,0 +1,11 @@
+(* This was working in version 8.1beta (bug in the Sort-polymorphism
+   of inductive types), but this is inconsistent with classical logic 
+   in Prop *)
+
+Inductive bool_in_prop : Type := hide : bool -> bool_in_prop
+with bool : Type := true : bool | false : bool.
+
+Lemma not_proof_irrelevance : ~ forall (P:Prop) (p p':P), p=p'.
+intro H; pose proof (H bool_in_prop (hide true) (hide false)); discriminate.
+Qed.
+
-- 
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