From 3e921f3a20c4f504704e805eb1053d0e2d4bb106 Mon Sep 17 00:00:00 2001
From: Keith Miller <keith_miller@apple.com>
Date: Thu, 29 May 2025 10:10:11 -0400
Subject: [PATCH] ZLib should check for _compressFile rather than _main to see
 if the module has been instantiated

Since _main isn't exported by the module we end up recreating the instance/module on each iteration.
---
 wasm/zlib/benchmark.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wasm/zlib/benchmark.js b/wasm/zlib/benchmark.js
index d0544c70..4038c0e6 100644
--- a/wasm/zlib/benchmark.js
+++ b/wasm/zlib/benchmark.js
@@ -4,7 +4,7 @@
 
 class Benchmark {
   async runIteration() {
-    if (!Module._main)
+    if (!Module._compressFile)
       await setupModule(Module);
 
     Module.FS.writeFile('input', Module.wasmBinary);