From b2882709b35ad7eaae20271a7458b903ae8f875f Mon Sep 17 00:00:00 2001
From: Aaron Turon <aturon@mozilla.com>
Date: Wed, 14 Dec 2016 12:36:49 -0800
Subject: [PATCH] Stabilize std::cell::Ref::clone

---
 src/libcore/cell.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index 64a7a8c5ef785..f241f521ebf3b 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -888,9 +888,7 @@ impl<'b, T: ?Sized> Ref<'b, T> {
     /// `Ref::clone(...)`.  A `Clone` implementation or a method would interfere
     /// with the widespread use of `r.borrow().clone()` to clone the contents of
     /// a `RefCell`.
-    #[unstable(feature = "cell_extras",
-               reason = "likely to be moved to a method, pending language changes",
-               issue = "27746")]
+    #[stable(feature = "cell_extras", since = "1.15.0")]
     #[inline]
     pub fn clone(orig: &Ref<'b, T>) -> Ref<'b, T> {
         Ref {