From 1053a5bb0ff9f781cc1fa0385ce699fe49ee2ad2 Mon Sep 17 00:00:00 2001
From: Joshua Liebow-Feeser <joshlf@users.noreply.github.com>
Date: Mon, 13 Sep 2021 12:39:45 -0700
Subject: [PATCH] `Wrapping<T>` has the same layout and ABI as `T`

---
 library/core/src/num/wrapping.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/core/src/num/wrapping.rs b/library/core/src/num/wrapping.rs
index be6d70320d407..b078cdf5479d7 100644
--- a/library/core/src/num/wrapping.rs
+++ b/library/core/src/num/wrapping.rs
@@ -32,6 +32,10 @@ use crate::ops::{Shl, ShlAssign, Shr, ShrAssign, Sub, SubAssign};
 ///
 /// assert_eq!(u32::MAX, (zero - one).0);
 /// ```
+///
+/// # Layout
+///
+/// `Wrapping<T>` is guaranteed to have the same layout and ABI as `T`.
 #[stable(feature = "rust1", since = "1.0.0")]
 #[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default, Hash)]
 #[repr(transparent)]