From 1acd37fde5b07c66853b925d7d91dd3be6dc2a78 Mon Sep 17 00:00:00 2001
From: Dodo <kasper199914@gmail.com>
Date: Thu, 9 May 2019 20:30:36 +0200
Subject: [PATCH 1/2] make vecdeque_rotate stable

---
 src/liballoc/collections/vec_deque.rs | 8 ++------
 src/liballoc/tests/lib.rs             | 1 -
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/liballoc/collections/vec_deque.rs b/src/liballoc/collections/vec_deque.rs
index d65c24f7350..7e7a854d2f3 100644
--- a/src/liballoc/collections/vec_deque.rs
+++ b/src/liballoc/collections/vec_deque.rs
@@ -1934,8 +1934,6 @@ impl<T> VecDeque<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(vecdeque_rotate)]
-    ///
     /// use std::collections::VecDeque;
     ///
     /// let mut buf: VecDeque<_> = (0..10).collect();
@@ -1949,7 +1947,7 @@ impl<T> VecDeque<T> {
     /// }
     /// assert_eq!(buf, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
     /// ```
-    #[unstable(feature = "vecdeque_rotate", issue = "56686")]
+    #[stable(feature = "vecdeque_rotate", since = "1.35.0")]
     pub fn rotate_left(&mut self, mid: usize) {
         assert!(mid <= self.len());
         let k = self.len() - mid;
@@ -1979,8 +1977,6 @@ impl<T> VecDeque<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(vecdeque_rotate)]
-    ///
     /// use std::collections::VecDeque;
     ///
     /// let mut buf: VecDeque<_> = (0..10).collect();
@@ -1994,7 +1990,7 @@ impl<T> VecDeque<T> {
     /// }
     /// assert_eq!(buf, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
     /// ```
-    #[unstable(feature = "vecdeque_rotate", issue = "56686")]
+    #[stable(feature = "vecdeque_rotate", since = "1.35.0")]
     pub fn rotate_right(&mut self, k: usize) {
         assert!(k <= self.len());
         let mid = self.len() - k;
diff --git a/src/liballoc/tests/lib.rs b/src/liballoc/tests/lib.rs
index b736750c576..ddb3120e89d 100644
--- a/src/liballoc/tests/lib.rs
+++ b/src/liballoc/tests/lib.rs
@@ -6,7 +6,6 @@
 #![feature(repeat_generic_slice)]
 #![feature(try_reserve)]
 #![feature(unboxed_closures)]
-#![feature(vecdeque_rotate)]
 #![deny(rust_2018_idioms)]
 
 use std::hash::{Hash, Hasher};

From 4d033990fcb96023739a13c43e72b341de51e865 Mon Sep 17 00:00:00 2001
From: Dodo <kasper199914@gmail.com>
Date: Thu, 9 May 2019 20:50:02 +0200
Subject: [PATCH 2/2] supposed to be 1.36.0

---
 src/liballoc/collections/vec_deque.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/liballoc/collections/vec_deque.rs b/src/liballoc/collections/vec_deque.rs
index 7e7a854d2f3..65a888a9703 100644
--- a/src/liballoc/collections/vec_deque.rs
+++ b/src/liballoc/collections/vec_deque.rs
@@ -1947,7 +1947,7 @@ impl<T> VecDeque<T> {
     /// }
     /// assert_eq!(buf, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
     /// ```
-    #[stable(feature = "vecdeque_rotate", since = "1.35.0")]
+    #[stable(feature = "vecdeque_rotate", since = "1.36.0")]
     pub fn rotate_left(&mut self, mid: usize) {
         assert!(mid <= self.len());
         let k = self.len() - mid;
@@ -1990,7 +1990,7 @@ impl<T> VecDeque<T> {
     /// }
     /// assert_eq!(buf, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
     /// ```
-    #[stable(feature = "vecdeque_rotate", since = "1.35.0")]
+    #[stable(feature = "vecdeque_rotate", since = "1.36.0")]
     pub fn rotate_right(&mut self, k: usize) {
         assert!(k <= self.len());
         let mid = self.len() - k;