End CONSTRUCTORS.
(** * Basic preservation invariants *)
Section CORRECTNESS.
Variable prog: Clight.program.
Variable tprog: Csharpminor.program.
Hypothesis TRANSL: match_prog prog tprog.
Let ge := globalenv prog.
Let tge := Genv.globalenv tprog.

(* Specifications: *)
Lemma symbols_preserved:
forall s, Genv.find_symbol tge s = Genv.find_symbol ge s.