Hint Resolve lvalue_closed_field lvalue_closedl_field : closed.

(* Specifications: *)
Lemma lvalue_closed_deref: forall {cs: compspecs} S e t,
expr_closed_wrt_vars S e ->
lvalue_closed_wrt_vars S (Ederef e t).
Lemma lvalue_closedl_deref: forall S e t,
expr_closed_wrt_lvars S e ->
lvalue_closed_wrt_lvars S (Ederef e t).