From 14c5b4bb8a9c5f62081594d2beaca274eaa0b8f3 Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert
Date: Fri, 2 Nov 2018 12:55:21 +0100
Subject: Print full binders in subtyping incompatible polymorphism error.

Close #8891
---
 kernel/modops.ml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'kernel/modops.ml')

diff --git a/kernel/modops.ml b/kernel/modops.ml
index bab2eae3df..0dde1c7e75 100644
--- a/kernel/modops.ml
+++ b/kernel/modops.ml
@@ -47,10 +47,9 @@ type signature_mismatch_error =
   | RecordFieldExpected of bool
   | RecordProjectionsExpected of Name.t list
   | NotEqualInductiveAliases
-  | IncompatibleInstances
   | IncompatibleUniverses of Univ.univ_inconsistency
   | IncompatiblePolymorphism of env * types * types
-  | IncompatibleConstraints of Univ.AUContext.t
+  | IncompatibleConstraints of { got : Univ.AUContext.t; expect : Univ.AUContext.t }
 
 type module_typing_error =
   | SignatureMismatch of
-- 
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