From: Timo Heister <timo.heister@gmail.com>
Date: Tue, 12 Apr 2022 18:09:30 +0000 (-0400)
Subject: fix a release mode warning
X-Git-Tag: v9.4.0-rc1~321^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec59bff00784123e5c987332efc8a281db51bb1a;p=dealii.git

fix a release mode warning
---

diff --git a/include/deal.II/meshworker/copy_data.h b/include/deal.II/meshworker/copy_data.h
index 69f857b0bf..d008d8a1b5 100644
--- a/include/deal.II/meshworker/copy_data.h
+++ b/include/deal.II/meshworker/copy_data.h
@@ -220,6 +220,7 @@ namespace MeshWorker
     // So we have to be a bit permissive here.
     constexpr const int max_index =
       std::max(std::max(n_matrices, n_vectors), n_dof_indices);
+    (void)max_index;
     Assert(index < max_index, ExcIndexRange(index, 0, max_index));
 
     if (index < n_matrices)