From 89a85a6603b7112e685a052d728284d3e4c2881e Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert
Date: Fri, 11 May 2018 23:07:14 +0200
Subject: Fix #7421: constr_eq ignores universe constraints.

The test isn't quite the one in #7421 because that use of algebraic
universes is wrong.
---
 engine/evd.ml | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'engine/evd.ml')

diff --git a/engine/evd.ml b/engine/evd.ml
index 0c9c3a29b2..f56f9662d6 100644
--- a/engine/evd.ml
+++ b/engine/evd.ml
@@ -894,6 +894,9 @@ let check_eq evd s s' =
 let check_leq evd s s' =
   UGraph.check_leq (UState.ugraph evd.universes) s s'
 
+let check_constraints evd csts =
+  UGraph.check_constraints csts (UState.ugraph evd.universes)
+
 let fix_undefined_variables evd =
   { evd with universes = UState.fix_undefined_variables evd.universes }
 
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