Remark store_init_data_outside:
  forall {F V} genv b i m p m',
  @Genv.store_init_data F V genv m b p i = Some m' ->
  forall chunk b' q,
  b' <> b \/ q + size_chunk chunk <= p \/ p + init_data_size i <= q ->
  Mem.load chunk m' b' q = Mem.load chunk m b' q.Remark store_init_data_list_outside:
  forall {F V} genv b il m p m',
  @Genv.store_init_data_list F V genv m b p il = Some m' ->
  forall chunk b' q,
  b' <> b \/ q + size_chunk chunk <= p ->
  Mem.load chunk m' b' q = Mem.load chunk m b' q.

Lemma zero_ext_inj: forall i, Int.zero_ext 8 (Int.repr (Byte.unsigned i)) = Int.zero -> i = Byte.zero.