(*From Cminorgenproof*)
Remark val_inject_function_pointer:
  forall v fd j tv,
  Genv.find_funct ge v = Some fd ->
  globalfunction_ptr_inject j ->
  val_inject j v tv ->
  tv = v.

Lemma match_env_restrictD: forall j X e te (MENV : match_env (restrict j X) e te), match_env j e te.