From b1ae368ec3228f7340076ba0d3bc465f79ed44fa Mon Sep 17 00:00:00 2001
From: herbelin
Date: Sun, 19 Dec 2010 11:34:48 +0000
Subject: Fixing bug #2454: inversion predicate strategy for inferring the type
 of "match" is not general enough; if there is a non dependent type
 constraint, we also try w/o inversion predicate in the return clause.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13727 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 test-suite/success/CasesDep.v | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'test-suite')

diff --git a/test-suite/success/CasesDep.v b/test-suite/success/CasesDep.v
index 2972184338..af6e2cd336 100644
--- a/test-suite/success/CasesDep.v
+++ b/test-suite/success/CasesDep.v
@@ -506,3 +506,10 @@ Definition test (s:step E E) :=
     | Step nil _ (cons E nil) _ Plus l l' => true
     | _ => false
   end.
+
+(* Testing regression of bug 2454 ("get" used not be type-checkable when
+   defined with its type constraint) *)
+
+Inductive K : nat -> Type := KC : forall (p q:nat), K p.
+
+Definition get : K O -> nat := fun x => match x with KC p q => q end.
-- 
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