From 1e8261861385a5cabc7df2ecab7132ae5226fae0 Mon Sep 17 00:00:00 2001
From: Sunjay Varma <varma.sunjay@gmail.com>
Date: Tue, 25 Dec 2018 14:23:48 -0700
Subject: [PATCH] Stabilize duration_as_u128

---
 src/liballoc/benches/vec_deque_append.rs | 2 +-
 src/libcore/time.rs                      | 9 +++------
 src/libstd/lib.rs                        | 2 +-
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/liballoc/benches/vec_deque_append.rs b/src/liballoc/benches/vec_deque_append.rs
index 327998b6f44f2..2db8fbe130907 100644
--- a/src/liballoc/benches/vec_deque_append.rs
+++ b/src/liballoc/benches/vec_deque_append.rs
@@ -1,4 +1,4 @@
-#![feature(duration_as_u128)]
+#![cfg_attr(stage0, feature(duration_as_u128))]
 use std::{collections::VecDeque, time::Instant};
 
 const VECDEQUE_LEN: i32 = 100000;
diff --git a/src/libcore/time.rs b/src/libcore/time.rs
index 643b3bdc411dc..b12ee0497d2c2 100644
--- a/src/libcore/time.rs
+++ b/src/libcore/time.rs
@@ -265,13 +265,12 @@ impl Duration {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(duration_as_u128)]
     /// use std::time::Duration;
     ///
     /// let duration = Duration::new(5, 730023852);
     /// assert_eq!(duration.as_millis(), 5730);
     /// ```
-    #[unstable(feature = "duration_as_u128", issue = "50202")]
+    #[stable(feature = "duration_as_u128", since = "1.33.0")]
     #[inline]
     pub const fn as_millis(&self) -> u128 {
         self.secs as u128 * MILLIS_PER_SEC as u128 + (self.nanos / NANOS_PER_MILLI) as u128
@@ -282,13 +281,12 @@ impl Duration {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(duration_as_u128)]
     /// use std::time::Duration;
     ///
     /// let duration = Duration::new(5, 730023852);
     /// assert_eq!(duration.as_micros(), 5730023);
     /// ```
-    #[unstable(feature = "duration_as_u128", issue = "50202")]
+    #[stable(feature = "duration_as_u128", since = "1.33.0")]
     #[inline]
     pub const fn as_micros(&self) -> u128 {
         self.secs as u128 * MICROS_PER_SEC as u128 + (self.nanos / NANOS_PER_MICRO) as u128
@@ -299,13 +297,12 @@ impl Duration {
     /// # Examples
     ///
     /// ```
-    /// # #![feature(duration_as_u128)]
     /// use std::time::Duration;
     ///
     /// let duration = Duration::new(5, 730023852);
     /// assert_eq!(duration.as_nanos(), 5730023852);
     /// ```
-    #[unstable(feature = "duration_as_u128", issue = "50202")]
+    #[stable(feature = "duration_as_u128", since = "1.33.0")]
     #[inline]
     pub const fn as_nanos(&self) -> u128 {
         self.secs as u128 * NANOS_PER_SEC as u128 + self.nanos as u128
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 5ab7d4693919a..55f10e26b7b71 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -248,7 +248,7 @@
 #![feature(const_cstr_unchecked)]
 #![feature(core_intrinsics)]
 #![feature(dropck_eyepatch)]
-#![feature(duration_as_u128)]
+#![cfg_attr(stage0, feature(duration_as_u128))]
 #![feature(exact_size_is_empty)]
 #![feature(external_doc)]
 #![feature(fixed_size_array)]