From a312b4769808f69607377c8e00a5436c31edf67d Mon Sep 17 00:00:00 2001
From: Jeroen Bollen <contact@jeroenbollen.eu>
Date: Sun, 3 Sep 2017 20:16:20 +0200
Subject: [PATCH] Marked `Entry::replace` as unstable.

---
 src/libstd/collections/hash/map.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index 6eb6f892f80f..81d79493f080 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -2167,6 +2167,7 @@ impl<'a, K, V> OccupiedEntry<'a, K, V> {
     /// # Examples
     ///
     /// ```
+    /// # #![feature(map_entry_replace)]
     /// use std::collections::HashMap;
     /// use std::collections::hash_map::Entry;
     ///
@@ -2182,7 +2183,7 @@ impl<'a, K, V> OccupiedEntry<'a, K, V> {
     /// assert_eq!(map.get("poneyland"), Some(&16));
     ///
     /// ```
-    #[stable(feature = "rust1", since = "1.20.0")]
+    #[unstable(feature = "map_entry_replace", issue = "44286")]
     pub fn replace(mut self, value: V) -> (K, V) {
         let (old_key, old_value) = self.elem.read_mut();