From: Peter Munch <peterrmuench@gmail.com>
Date: Sun, 5 Apr 2020 10:04:20 +0000 (+0200)
Subject: Fix warning in Utilities::MPI for serial release build
X-Git-Tag: v9.2.0-rc1~291^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=08cbf82354455708800ca4f0b29f315e73633cf8;p=dealii.git

Fix warning in Utilities::MPI for serial release build
---

diff --git a/include/deal.II/base/mpi.templates.h b/include/deal.II/base/mpi.templates.h
index 1088896367..4c0ea2c821 100644
--- a/include/deal.II/base/mpi.templates.h
+++ b/include/deal.II/base/mpi.templates.h
@@ -230,7 +230,7 @@ namespace Utilities
     T
     sum(const T &t, const MPI_Comm &mpi_communicator)
     {
-      T return_value;
+      T return_value{};
       internal::all_reduce(MPI_SUM,
                            ArrayView<const T>(&t, 1),
                            mpi_communicator,
@@ -335,7 +335,7 @@ namespace Utilities
     T
     max(const T &t, const MPI_Comm &mpi_communicator)
     {
-      T return_value;
+      T return_value{};
       internal::all_reduce(MPI_MAX,
                            ArrayView<const T>(&t, 1),
                            mpi_communicator,
@@ -377,7 +377,7 @@ namespace Utilities
     T
     min(const T &t, const MPI_Comm &mpi_communicator)
     {
-      T return_value;
+      T return_value{};
       internal::all_reduce(MPI_MIN,
                            ArrayView<const T>(&t, 1),
                            mpi_communicator,