message: construct vector group communicator in nc case that is usually constructed in ConstructTrueDofs
diff: @@ -140,6 +140,9 @@ void ParFiniteElementSpace::Construct()
  }
  else // Nonconforming()
  {
  + gcomm = new GroupCommunicator(GetGroupTopo());
  + GetGroupComm(*gcomm, 1);
  +
  // calculate number of ghost DOFs
  ngvdofs = pncmesh->GetNGhostVertices()
  * fec->DofForGeometry(Geometry::POINT);
  