From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sun, 9 Jan 2022 20:29:27 +0000 (-0700)
Subject: Avoid an unused-variable warning.
X-Git-Tag: v9.4.0-rc1~636^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=68fd3f1ce3042918342f0205280c2ec8b10f469b;p=dealii.git

Avoid an unused-variable warning.
---

diff --git a/include/deal.II/fe/fe_tools_extrapolate.templates.h b/include/deal.II/fe/fe_tools_extrapolate.templates.h
index 6f168e9990..1558a2a734 100644
--- a/include/deal.II/fe/fe_tools_extrapolate.templates.h
+++ b/include/deal.II/fe/fe_tools_extrapolate.templates.h
@@ -1808,8 +1808,11 @@ namespace FETools
     // make sure that each cell on the coarsest level is at least once refined,
     // otherwise, these cells can't be treated and would generate a bogus result
     for (const auto &cell : dof2.cell_iterators_on_level(0))
-      Assert(cell->has_children() || cell->is_artificial(),
-             ExcGridNotRefinedAtLeastOnce());
+      {
+        (void)cell;
+        Assert(cell->has_children() || cell->is_artificial(),
+               ExcGridNotRefinedAtLeastOnce());
+      }
 
 
     internal::BlockType<OutVector> u3;