From 36c7db36adb2102ab709c8ff7905ebdcb14830f3 Mon Sep 17 00:00:00 2001
From: Peter Munch <peterrmuench@gmail.com>
Date: Fri, 15 May 2020 16:11:41 +0200
Subject: [PATCH] Fix warning in step70

---
 examples/step-70/step-70.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/examples/step-70/step-70.cc b/examples/step-70/step-70.cc
index 07847ec145..21971dfbfe 100644
--- a/examples/step-70/step-70.cc
+++ b/examples/step-70/step-70.cc
@@ -1398,8 +1398,11 @@ namespace Step70
 
     const auto invS = inverse_operator(S, cg, amgS);
 
-    const auto P =
-      block_diagonal_operator<2, LA::MPI::BlockVector>({amgA, amgS});
+    const auto P = block_diagonal_operator<2, LA::MPI::BlockVector>(
+      std::array<
+        dealii::LinearOperator<
+          typename dealii::TrilinosWrappers::MPI::BlockVector::BlockType>,
+        2>{{amgA, amgS}});
 
     SolverControl solver_control(system_matrix.m(),
                                  1e-10 * system_rhs.l2_norm());
-- 
2.39.5