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-rw-r--r--backend/Asmgenproof0.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/backend/Asmgenproof0.v b/backend/Asmgenproof0.v
index b1b7453a..8dfa8828 100644
--- a/backend/Asmgenproof0.v
+++ b/backend/Asmgenproof0.v
@@ -739,7 +739,7 @@ Lemma tail_nolabel_cons:
Proof.
intros. destruct H0. split.
constructor; auto.
- intros. simpl. rewrite <- H1. destruct i; reflexivity || contradiction.
+ intros. simpl. rewrite <- H1. destruct i; destruct i; reflexivity || contradiction.
Qed.
Hint Resolve tail_nolabel_refl: labels.