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-rw-r--r--backend/Allocproof.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/backend/Allocproof.v b/backend/Allocproof.v
index 3f526aa..b845323 100644
--- a/backend/Allocproof.v
+++ b/backend/Allocproof.v
@@ -717,6 +717,7 @@ Proof.
injection H7; intro EQ; inv EQ.
econstructor; split.
eapply exec_function_external; eauto.
+ eapply external_call_symbols_preserved; eauto. exact symbols_preserved.
eapply match_states_return; eauto.
(* return *)