From 2d8878987386c93cb232e7883ae28027cf8e5166 Mon Sep 17 00:00:00 2001
From: Adrian Taylor <adetaylor@chromium.org>
Date: Tue, 7 May 2024 08:12:14 +0100
Subject: [PATCH] Fix transmute message.

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

diff --git a/src/reference_wrapper.rs b/src/reference_wrapper.rs
index 041bd7277..529f070be 100644
--- a/src/reference_wrapper.rs
+++ b/src/reference_wrapper.rs
@@ -412,7 +412,7 @@ impl<T: ?Sized> CppPin<T> {
         // to
         //   Box<CppPinContents<T>>
         // is safe.
-        let contents = unsafe { std::mem::transmute(item) };
+        let contents = unsafe { std::mem::transmute::<Box<T>, Box<CppPinContents<T>>>(item) };
         Self(contents)
     }