(** Extensionality with respect to temporaries *)

Lemma match_envs_temps_exten:
forall f cenv e le m lo hi te tle tlo thi tle',
match_envs f cenv e le m lo hi te tle tlo thi ->
(forall id, tle'!id = tle!id) ->
match_envs f cenv e le m lo hi te tle' tlo thi.