From 344998a8735ce690b46aa17dfc8dc1ffabd846fb Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Mon, 4 Jul 2022 01:25:41 -0700
Subject: [PATCH] Fix `WebAssembly.instantiate`

---
 src/bun.js/event_loop.zig | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/bun.js/event_loop.zig b/src/bun.js/event_loop.zig
index 95bf5456ca..df6af2748e 100644
--- a/src/bun.js/event_loop.zig
+++ b/src/bun.js/event_loop.zig
@@ -422,7 +422,13 @@ pub const EventLoop = struct {
             if (this.tickWithCount() == 0) break;
         }
 
-        this.global.vm().releaseWeakRefs();
+        // This is JSC's event loop
+        // We don't actually use this.
+        // However, there are three uses of it in JavaScriptCore outside our control:
+        // 1. FinalizationRegistry callbacks
+        // 2. WebAssembly.instantiate
+        // 3. WebAssembly.instantiateStreaming
+        this.global.vm().doWork();
 
         if (!ctx.disable_run_us_loop and ctx.us_loop_reference_count > 0 and !ctx.is_us_loop_entered) {
             ctx.is_us_loop_entered = true;