From c5f78e6a9e5cf493544c341853acb03b3b29f22d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Thu, 13 Jan 2022 10:16:47 +0100
Subject: [PATCH] fix warning

---
 .../CGAL/Surface_mesh_simplification/internal/Edge_collapse.h   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/internal/Edge_collapse.h b/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/internal/Edge_collapse.h
index 18d729c2a9e..59130d662dc 100644
--- a/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/internal/Edge_collapse.h
+++ b/Surface_mesh_simplification/include/CGAL/Surface_mesh_simplification/internal/Edge_collapse.h
@@ -19,6 +19,7 @@
 #include <CGAL/boost/graph/Euler_operations.h>
 #include <CGAL/boost/graph/helpers.h>
 #include <CGAL/Modifiable_priority_queue.h>
+#include <CGAL/use.h>
 
 #include <boost/scoped_array.hpp>
 
@@ -311,6 +312,7 @@ private:
     CGAL_assertion(is_primary_edge(h));
     CGAL_expensive_assertion(data.is_in_PQ());
     CGAL_expensive_assertion(mPQ->contains(h));
+    CGAL_USE(data);
 
     mPQ->update(h);