diff options
Diffstat (limited to 'backend/Tunnelingtyping.v')
| -rw-r--r-- | backend/Tunnelingtyping.v | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/backend/Tunnelingtyping.v b/backend/Tunnelingtyping.v index 91745dfb..8990cb44 100644 --- a/backend/Tunnelingtyping.v +++ b/backend/Tunnelingtyping.v @@ -74,7 +74,9 @@ Lemma wt_tunnel_instr: wt_instr f i -> wt_instr (tunnel_function f) (tunnel_instr (record_gotos f) i). Proof. intros; inv H0; simpl; econstructor; eauto; - eapply branch_target_valid; eauto. + try (eapply branch_target_valid; eauto). + intros. exploit list_in_map_inv; eauto. intros [x [A B]]. subst lbl. + eapply branch_target_valid; eauto. Qed. Lemma wt_tunnel_function: |