message: Make sure rowstarts and colstarts are copied and communicators are cloned.
diff: @@ -831,6 +831,13 @@ HypreParMatrix::HypreParMatrix(const HypreParMatrix &P)
  height = GetNumRows();
  width = GetNumCols();
  +
  + CopyRowStarts();
  + CopyColStarts();
  +
  + hypre_ParCSRMatrixSetNumNonzeros(A);
  +
  + hypre_MatvecCommPkgCreate(A);
  }
  void HypreParMatrix::MakeRef(const HypreParMatrix &master)
  