From d6a3ee20a8456bcd607c7daa85130388117ea3a1 Mon Sep 17 00:00:00 2001
From: Daniel Arndt <arndtd@ornl.gov>
Date: Tue, 22 Sep 2020 14:33:09 -0400
Subject: [PATCH] Fix clang-tidy complains

---
 .../multigrid/mg_transfer_global_coarsening.templates.h       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h b/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h
index 3814c31af6..1a34963d87 100644
--- a/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h
+++ b/include/deal.II/multigrid/mg_transfer_global_coarsening.templates.h
@@ -1289,7 +1289,7 @@ namespace internal
         });
       }
 
-      for (const auto fe_index_pair : fe_index_pairs)
+      for (const auto &fe_index_pair : fe_index_pairs)
         {
           transfer.schemes[fe_index_pair.second].dofs_per_cell_coarse =
             dof_handler_coarse.get_fe(fe_index_pair.first.first).dofs_per_cell;
@@ -1340,7 +1340,7 @@ namespace internal
         std::vector<std::vector<types::global_dof_index>>
           local_dof_indices_fine(fe_index_pairs.size());
 
-        for (const auto fe_index_pair : fe_index_pairs)
+        for (const auto &fe_index_pair : fe_index_pairs)
           {
             local_dof_indices_coarse[fe_index_pair.second].resize(
               transfer.schemes[fe_index_pair.second].dofs_per_cell_coarse);
-- 
2.39.5