--- /dev/null
+// ---------------------------------------------------------------------
+// $Id: constraint_matrix_set_zero_02.cc 30694 2013-09-13 17:22:08Z maier $
+//
+// Copyright (C) 2013 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+
+// ConstraintMatrix::add_line crashes in release mode
+
+#include "../tests.h"
+#include <deal.II/base/logstream.h>
+#include <deal.II/lac/parallel_vector.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/dofs/dof_tools.h>
+#include <deal.II/lac/parallel_block_vector.h>
+
+#include <fstream>
+
+
+void test ()
+{
+ unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
+ unsigned int numproc = Utilities::MPI::n_mpi_processes (MPI_COMM_WORLD);
+
+ IndexSet local_active_together(3);
+ local_active_together.add_range(0,1);
+ local_active_together.add_range(1,3);
+
+ ConstraintMatrix cm(local_active_together);
+ cm.add_line(1);
+ cm.close();
+ deallog << "OK" << std::endl;
+}
+
+
+int main(int argc, char *argv[])
+{
+ Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1);
+ MPILogInitAll log;
+
+ test();
+ return 0;
+}