Merge pull request #3581 from roystgnr/ub_fixes

Undefined Behavior fixes

Author: roystgnr

include/base/dof_map.h

@@ -2257,6 +2257,10 @@ inline void DofMap::enforce_constraints_on_jacobian
 inline
 void DofMap::set_constrained_sparsity_construction(bool use_constraints)
 {
+  // This got only partly finished...
+  if (use_constraints)
+    libmesh_not_implemented();
+
 #ifdef LIBMESH_ENABLE_CONSTRAINTS
   _constrained_sparsity_construction = use_constraints;
 #endif

src/base/dof_map.C

@@ -137,6 +137,7 @@ DofMap::DofMap(const unsigned int number,
   ParallelObject (mesh.comm()),
   _dof_coupling(nullptr),
   _error_on_constraint_loop(false),
+  _constrained_sparsity_construction(false),
   _variables(),
   _variable_groups(),
   _variable_group_numbers(),

src/systems/diff_system.C

@@ -39,6 +39,7 @@ DifferentiableSystem::DifferentiableSystem(EquationSystems & es,
   Parent      (es, name_in, number_in),
   time_solver (),
   deltat(1.),
+  postprocess_sides(false),
   print_solution_norms(false),
   print_solutions(false),
   print_residual_norms(false),