From 878d3b3171d98f5c68c826d99d30986d60f4f7bb Mon Sep 17 00:00:00 2001
From: CAD97 <cad97@cad97.com>
Date: Tue, 17 Dec 2019 14:55:46 -0500
Subject: [PATCH] Mark Layout::new as const stable

---
 src/libcore/alloc.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libcore/alloc.rs b/src/libcore/alloc.rs
index b049a446cdcd0..ceb4a73db61cd 100644
--- a/src/libcore/alloc.rs
+++ b/src/libcore/alloc.rs
@@ -118,6 +118,7 @@ impl Layout {
 
     /// Constructs a `Layout` suitable for holding a value of type `T`.
     #[stable(feature = "alloc_layout", since = "1.28.0")]
+    #[rustc_const_stable(feature = "alloc_layout_const_new", since = "1.42.0")]
     #[inline]
     pub const fn new<T>() -> Self {
         let (size, align) = size_align::<T>();