Barrier is bad and superfluous.

[[Imported from SVN: r1042]]

Barrier is bad and superfluous.
642421f7 · Markus Blatt · d8b88927 · 642421f7
Commit 642421f7 authored 15 years ago by Markus Blatt
--- a/istl/remoteindices.hh
+++ b/istl/remoteindices.hh
@@ -1154,7 +1154,6 @@ namespace Dune {
      delete[] statuses;
    }

-    MPI_Barrier(comm_);

    // delete allocated memory
    if(destPairs!=sourcePairs)