message: Add LEGACYFULL case.
diff: @@ -1780,6 +1780,7 @@ void DiscreteLinearOperator::SetAssemblyLevel(AssemblyLevel assembly_level)
  assembly = assembly_level;
  switch (assembly)
  {
  + case AssemblyLevel::LEGACYFULL:
  case AssemblyLevel::FULL:
  // Use the original implementation for now
  break;
  