message: parallel bug in marking
diff: @@ -153,7 +153,10 @@ void ShiftedFaceMarker::ListShiftedFaceDofs(const Array<int> &elem_marker,
  }
  }
  }
  - if (sbm_at_true_boundary)
  + bool sbm_at_true_boundary_global = false;
  + MPI_Allreduce(&sbm_at_true_boundary, &sbm_at_true_boundary_global, 1, MPI_C_BOOL,
  + MPI_LOR, MPI_COMM_WORLD);
  + if (sbm_at_true_boundary_global)
  {
  ess_bdr.Append(0);
  pmesh.SetAttributes();
  