From 216c0ce14ef102fc63e789908f91dd1491eec0ac Mon Sep 17 00:00:00 2001
From: Dan Gohman <sunfish@mozilla.com>
Date: Wed, 28 Nov 2018 13:29:25 -0800
Subject: [PATCH] Fix the scope of the ScopeGuard in `call_wasm`.

---
 lib/execute/src/traphandlers.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/execute/src/traphandlers.rs b/lib/execute/src/traphandlers.rs
index a435269569..9d1f4efe81 100644
--- a/lib/execute/src/traphandlers.rs
+++ b/lib/execute/src/traphandlers.rs
@@ -88,7 +88,7 @@ where
 {
     // In case wasm code calls Rust that panics and unwinds past this point,
     // ensure that JMP_BUFS is unwound to its incoming state.
-    let _ = ScopeGuard::new();
+    let _guard = ScopeGuard::new();
 
     JMP_BUFS.with(|bufs| {
         let mut buf = unsafe { mem::uninitialized() };