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-rw-r--r--backend/Duplicateproof.v7
1 files changed, 7 insertions, 0 deletions
diff --git a/backend/Duplicateproof.v b/backend/Duplicateproof.v
index e9799f08..7369c3ea 100644
--- a/backend/Duplicateproof.v
+++ b/backend/Duplicateproof.v
@@ -114,6 +114,13 @@ Proof.
destruct (Pos.eq_dec _ _); try discriminate.
eapply verify_is_copy_correct_one. destruct x. eassumption. subst.
constructor.
+(* Ibuiltin *)
+ - destruct i'; try (inversion H; fail). monadInv H.
+ destruct (external_function_eq _ _); try discriminate.
+ destruct (list_eq_dec _ _ _); try discriminate.
+ destruct (builtin_res_eq_pos _ _); try discriminate.
+ eapply verify_is_copy_correct_one. destruct x. eassumption. subst.
+ constructor.
Qed.
Lemma verify_mapping_mn_correct: