From d21827ced52ea1f2ffc98225a0310dab04e16592 Mon Sep 17 00:00:00 2001
From: Marc Fehling <mafehling.git@gmail.com>
Date: Tue, 16 Mar 2021 20:13:44 -0600
Subject: [PATCH] Minor changes to DoFHandler functionalities.

---
 include/deal.II/dofs/dof_accessor.templates.h | 5 +++++
 source/dofs/dof_handler.cc                    | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/deal.II/dofs/dof_accessor.templates.h b/include/deal.II/dofs/dof_accessor.templates.h
index 17c60389a7..265f83249e 100644
--- a/include/deal.II/dofs/dof_accessor.templates.h
+++ b/include/deal.II/dofs/dof_accessor.templates.h
@@ -2952,6 +2952,11 @@ DoFCellAccessor<dimension_, space_dimension_, level_dof_access>::
         ExcMessage(
           "You ask for information on children of this cell which is only "
           "available for active cells. One of its children is not active."));
+      Assert(child->is_locally_owned(),
+             ExcMessage(
+               "You ask for information on children of this cell which is only "
+               "available for locally owned cells. One of its children is not "
+               "locally owned."));
       future_fe_indices_children.insert(child->future_fe_index());
     }
   Assert(!future_fe_indices_children.empty(), ExcInternalError());
diff --git a/source/dofs/dof_handler.cc b/source/dofs/dof_handler.cc
index e7ba6ba8a2..b6c8c7f990 100644
--- a/source/dofs/dof_handler.cc
+++ b/source/dofs/dof_handler.cc
@@ -1957,8 +1957,8 @@ namespace internal
         static unsigned int
         determine_fe_from_children(
           const typename Triangulation<dim, spacedim>::cell_iterator &,
-          const std::vector<unsigned int> &        children_fe_indices,
-          dealii::hp::FECollection<dim, spacedim> &fe_collection)
+          const std::vector<unsigned int> &              children_fe_indices,
+          const dealii::hp::FECollection<dim, spacedim> &fe_collection)
         {
           Assert(!children_fe_indices.empty(), ExcInternalError());
 
-- 
2.39.5