From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 27 Apr 2021 22:08:49 +0000 (-0600)
Subject: Insert a barrier into a test.
X-Git-Tag: v9.3.0-rc1~168^2~2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=935a2ec42effdade9270300d6b903d598bc19f43;p=dealii.git

Insert a barrier into a test.
---

diff --git a/tests/base/aligned_vector_replicate_02.cc b/tests/base/aligned_vector_replicate_02.cc
index ce7dc8b3be..6589a0dff0 100644
--- a/tests/base/aligned_vector_replicate_02.cc
+++ b/tests/base/aligned_vector_replicate_02.cc
@@ -62,6 +62,9 @@ test()
   else if (Utilities::MPI::this_mpi_process(communicator) == 2)
     avec[3] = 44;
 
+  // Create a barrier before we check the effect
+  MPI_Barrier(communicator);
+
   // Final step, let every process output what it now has. Every
   // process should be able to see the changed element, even though
   // only one changed it.