From 77f1445b7f7d5499becbfa4c7ecfc9c0772f7971 Mon Sep 17 00:00:00 2001
From: msozeau
Date: Sun, 14 Sep 2008 10:55:29 +0000
Subject: Fix bug #1936: uncaught exception due to undefinable exceptions.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11405 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 tactics/class_tactics.ml4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tactics')

diff --git a/tactics/class_tactics.ml4 b/tactics/class_tactics.ml4
index 2d4f6715e7..70252f2b78 100644
--- a/tactics/class_tactics.ml4
+++ b/tactics/class_tactics.ml4
@@ -539,7 +539,7 @@ let morphism_class =
 let morphism_proxy_class = 
   lazy (class_info (Nametab.global (Qualid (dummy_loc, qualid_of_string "Coq.Classes.Morphisms.MorphismProxy"))))
 
-let respect_proj = lazy (mkConst (snd (List.hd (Lazy.force morphism_class).cl_projs)))
+let respect_proj = lazy (mkConst (Option.get (snd (List.hd (Lazy.force morphism_class).cl_projs))))
 
 let make_dir l = make_dirpath (List.map id_of_string (List.rev l))
 
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