message: mem leak fix for hypre diag/off diag merge method
diff: @@ -625,6 +625,11 @@ void AmgXSolver::SetMatrix(const HypreParMatrix &A, const bool update_mat)
  return SetMatrixMPITeams(A, loc_A, loc_I, loc_J, update_mat);
  }
  + // Set A_ptr to NULL
  + // Free A_csr hypre_MergeDiagAndOffd
  + A_ptr = NULL;
  + hypre_CSRMatrixDestroy(A_csr);
  +
  mfem_error("Unsupported MPI_GPU combination \n");
  }
  