From d044aeab0c2f66c4bb8aa4b85f91c8af0ed633ae Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Mon, 22 Aug 2016 16:03:20 -0700
Subject: run vacuum again after autodrop in asm2wasm, if optimizing

---
 src/asm2wasm.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/asm2wasm.h b/src/asm2wasm.h
index 321d5275e..abe6e2f25 100644
--- a/src/asm2wasm.h
+++ b/src/asm2wasm.h
@@ -787,6 +787,7 @@ void Asm2WasmBuilder::processAsm(Ref ast) {
   PassRunner passRunner(&wasm);
   passRunner.add<FinalizeCalls>(this);
   passRunner.add<AutoDrop>();
+  if (optimize) passRunner.add("vacuum"); // autodrop can add some garbage
   passRunner.run();
 
   // apply memory growth, if relevant
-- 
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