[Patch, Fortran] Small patch for calls to gfc_deallocate_scalar_with_status

[Janus Weil]

Hi Tobias,

> The patch below is part of my FINAL patch. The NULL -> NULL_TREE change is
> obvious.

certainly ok.


> The expr to al->expr change is to pass a BT_CLASS instead of a
> BT_DERIVED. And the NULL to gfc_lval_expr_from_sym change allows to access
> var->_vtab->_final for a BT_CLASS deferred variable.

It seems that both of them will not have any effect right now, but are
useful only as preparation for FINAL, right?


> Build and regtested on x86-64-linux.
> OK for the trunk?

Yes, ok from my side. One could also commit those changes together
with the actual changes that will come in
gfc_deallocate_scalar_with_status. OTOH, they are not doing any harm,
so: Ok for trunk.

Thanks for the patch,
Janus