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Diffstat (limited to 'common/Memory.v')
| -rw-r--r-- | common/Memory.v | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/common/Memory.v b/common/Memory.v index 157867e8..e1c68bd6 100644 --- a/common/Memory.v +++ b/common/Memory.v @@ -3105,6 +3105,15 @@ Proof. eapply mi_access; eauto. auto. Qed. +Theorem valid_pointer_extends: + forall m1 m2 b ofs, + extends m1 m2 -> valid_pointer m1 b ofs = true -> valid_pointer m2 b ofs = true. +Proof. + intros. + rewrite valid_pointer_valid_access in *. + eapply valid_access_extends; eauto. +Qed. + (* Theorem bounds_extends: forall m1 m2 b, |