Fix a bug in WorkStream when the number of cells in a color is small.

git-svn-id: https://svn.dealii.org/trunk@31546 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/base/work_stream.h b/deal.II/include/deal.II/base/work_stream.h
index be3a6bd4103a41a5afe25839491fe6a0345b231f..a029e9b0c5209a2c601faf45b95dacaa867cce09 100644 (file)
--- a/deal.II/include/deal.II/base/work_stream.h
+++ b/deal.II/include/deal.II/base/work_stream.h
@@ -1001,7 +1001,7 @@ namespace WorkStream
                  sample_copy_data);
 
              internal::Worker<Iterator, ScratchData, CopyData> worker_filter (worker);
-             internal::Copier<Iterator, ScratchData, CopyData> copier_filter (copier,false);
+             internal::Copier<Iterator, ScratchData, CopyData> copier_filter (copier,true);
 
              tbb::pipeline assembly_line;
              assembly_line.add_filter (iterator_range_to_item_stream);