From 40ec7bc85b78f68257593234016f82d8e78d6384 Mon Sep 17 00:00:00 2001
From: Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr>
Date: Tue, 11 Jul 2017 00:59:53 +0200
Subject: Properly handling polymorphic inductive subtyping in the kernel.

Before this patch, inductive subtyping was enforcing syntactic equality
of the variable instance, instead of reasoning up to alpha-renaming.
---
 kernel/modops.ml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel/modops.ml')

diff --git a/kernel/modops.ml b/kernel/modops.ml
index 24be46933..a079bc893 100644
--- a/kernel/modops.ml
+++ b/kernel/modops.ml
@@ -49,7 +49,7 @@ type signature_mismatch_error =
   | IncompatibleInstances
   | IncompatibleUniverses of Univ.univ_inconsistency
   | IncompatiblePolymorphism of env * types * types
-  | IncompatibleConstraints of Univ.constraints
+  | IncompatibleConstraints of Univ.AUContext.t
 
 type module_typing_error =
   | SignatureMismatch of
-- 
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