From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 15 Aug 2017 14:50:05 +0000 (-0600)
Subject: Add an assertion.
X-Git-Tag: v9.0.0-rc1~1239^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9469bcb0822a1622f888035038116a94521d8ab;p=dealii.git

Add an assertion.
---

diff --git a/source/dofs/dof_handler_policy.cc b/source/dofs/dof_handler_policy.cc
index 508f0c188d..d772c57e95 100644
--- a/source/dofs/dof_handler_policy.cc
+++ b/source/dofs/dof_handler_policy.cc
@@ -3730,6 +3730,14 @@ namespace internal
                                                    triangulation->coarse_cell_to_p4est_tree_permutation,
                                                    triangulation->p4est_tree_to_coarse_cell_permutation);
 
+          // at this point, we must have taken care of the data transfer
+          // on all cells we had previously marked. verify this
+#ifdef DEBUG
+          for (auto cell : dof_handler->active_cell_iterators())
+            Assert (cell->user_flag_set() == false,
+                    ExcInternalError());
+#endif
+
           triangulation->load_user_flags(user_flags);
         }