From c95bdf83430ab360caca34f8c706f0171735b7f4 Mon Sep 17 00:00:00 2001
From: Peter Munch <peterrmuench@gmail.com>
Date: Fri, 13 Nov 2020 20:10:58 +0100
Subject: [PATCH] Add missing const MPI_Comm &

---
 source/grid/tria_description.cc      | 2 +-
 source/grid/tria_description.inst.in | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/grid/tria_description.cc b/source/grid/tria_description.cc
index e9aa760f8b..417f011694 100644
--- a/source/grid/tria_description.cc
+++ b/source/grid/tria_description.cc
@@ -403,7 +403,7 @@ namespace TriangulationDescription
       const std::function<void(dealii::Triangulation<dim, spacedim> &)>
         &                                            serial_grid_generator,
       const std::function<void(dealii::Triangulation<dim, spacedim> &,
-                               const MPI_Comm,
+                               const MPI_Comm &,
                                const unsigned int)> &serial_grid_partitioner,
       const MPI_Comm &                               comm,
       const int                                      group_size,
diff --git a/source/grid/tria_description.inst.in b/source/grid/tria_description.inst.in
index 29af0fa264..9ca20f0157 100644
--- a/source/grid/tria_description.inst.in
+++ b/source/grid/tria_description.inst.in
@@ -37,7 +37,7 @@ for (deal_II_dimension : DIMENSIONS; deal_II_space_dimension : DIMENSIONS)
               &)> &               serial_grid_generator,
           const std::function<void(
             dealii::Triangulation<deal_II_dimension, deal_II_space_dimension> &,
-            const MPI_Comm,
+            const MPI_Comm &,
             const unsigned int)> &serial_grid_partitioner,
           const MPI_Comm &        comm,
           const int               group_size,
-- 
2.39.5