From bf5a467c0fd8ae15d2a99efeec9fc250ad364417 Mon Sep 17 00:00:00 2001
From: Peter Munch <peterrmuench@gmail.com>
Date: Sat, 13 Mar 2021 15:14:47 +0100
Subject: [PATCH] Fix TriangulationBase::reset_global_cell_indices()

---
 source/distributed/tria_base.cc | 9 ++++++---
 source/dofs/dof_handler.cc      | 7 ++-----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/source/distributed/tria_base.cc b/source/distributed/tria_base.cc
index c497bc94c5..515081dac2 100644
--- a/source/distributed/tria_base.cc
+++ b/source/distributed/tria_base.cc
@@ -400,14 +400,17 @@ namespace parallel
           for (unsigned int i = 0; i < n_subdomains; ++i)
             cell_counter[i + 1] += cell_counter[i];
 
+          AssertDimension(cell_counter.back(), this->n_active_cells());
+
           // create partitioners
-          IndexSet is_local(cell_counter.back());
+          IndexSet is_local(this->n_active_cells());
           is_local.add_range(cell_counter[my_subdomain],
                              cell_counter[my_subdomain + 1]);
-          IndexSet is_ghost(cell_counter.back());
           number_cache.active_cell_index_partitioner =
             std::make_shared<const Utilities::MPI::Partitioner>(
-              is_local, is_ghost, this->mpi_communicator);
+              is_local,
+              complete_index_set(this->n_active_cells()),
+              this->mpi_communicator);
 
           // set global active cell indices and increment process-local counters
           for (const auto &cell : this->active_cell_iterators())
diff --git a/source/dofs/dof_handler.cc b/source/dofs/dof_handler.cc
index eb430f395f..e7ba6ba8a2 100644
--- a/source/dofs/dof_handler.cc
+++ b/source/dofs/dof_handler.cc
@@ -2711,11 +2711,8 @@ DoFHandler<dim, spacedim>::prepare_coarsening_and_refinement(
         dynamic_cast<const parallel::TriangulationBase<dim, spacedim> *>(
           &(*tria)))
     {
-      const auto &partitioner =
-        *parallel_tria->global_active_cell_index_partitioner().lock();
-      future_levels.reinit(partitioner.locally_owned_range(),
-                           partitioner.ghost_indices(),
-                           partitioner.get_mpi_communicator());
+      future_levels.reinit(
+        parallel_tria->global_active_cell_index_partitioner().lock());
     }
   else
     {
-- 
2.39.5