std: Stabilize APIs for the 1.12 release

Stabilized

* `Cell::as_ptr`
* `RefCell::as_ptr`
* `IpAddr::is_{unspecified,loopback,multicast}`
* `Ipv6Addr::octets`
* `LinkedList::contains`
* `VecDeque::contains`
* `ExitStatusExt::from_raw` - both on Unix and Windows
* `Receiver::recv_timeout`
* `RecvTimeoutError`
* `BinaryHeap::peek_mut`
* `PeekMut`
* `iter::Product`
* `iter::Sum`
* `OccupiedEntry::remove_entry`
* `VacantEntry::into_key`

Deprecated

* `Cell::as_unsafe_cell`
* `RefCell::as_unsafe_cell`
* `OccupiedEntry::remove_pair`

Closes #27708
cc #27709
Closes #32313
Closes #32630
Closes #32713
Closes #34029
Closes #34392
Closes #34285
Closes #34529

1 files changed, 4 insertions, 4 deletions

diff --git a/src/libstd/sync/mpsc/mod.rs b/src/libstd/sync/mpsc/mod.rs
index 11f785dffd1..d8b8c6a77a2 100644
--- a/src/libstd/sync/mpsc/mod.rs
+++ b/src/libstd/sync/mpsc/mod.rs
@@ -394,13 +394,15 @@ pub enum TryRecvError {
 /// This enumeration is the list of possible errors that `recv_timeout` could
 /// not return data when called.
 #[derive(PartialEq, Eq, Clone, Copy, Debug)]
-#[unstable(feature = "mpsc_recv_timeout", issue = "34029")]
+#[stable(feature = "mpsc_recv_timeout", since = "1.12.0")]
 pub enum RecvTimeoutError {
     /// This channel is currently empty, but the sender(s) have not yet
     /// disconnected, so data may yet become available.
+    #[stable(feature = "mpsc_recv_timeout", since = "1.12.0")]
     Timeout,
     /// This channel's sending half has become disconnected, and there will
     /// never be any more data received on this channel
+    #[stable(feature = "mpsc_recv_timeout", since = "1.12.0")]
     Disconnected,
 }
 
@@ -912,8 +914,6 @@ impl<T> Receiver<T> {
     /// # Examples
     ///
     /// ```no_run
-    /// #![feature(mpsc_recv_timeout)]
-    ///
     /// use std::sync::mpsc::{self, RecvTimeoutError};
     /// use std::time::Duration;
     ///
@@ -922,7 +922,7 @@ impl<T> Receiver<T> {
     /// let timeout = Duration::from_millis(100);
     /// assert_eq!(Err(RecvTimeoutError::Timeout), recv.recv_timeout(timeout));
     /// ```
-    #[unstable(feature = "mpsc_recv_timeout", issue = "34029")]
+    #[stable(feature = "mpsc_recv_timeout", since = "1.12.0")]
     pub fn recv_timeout(&self, timeout: Duration) -> Result<T, RecvTimeoutError> {
         // Do an optimistic try_recv to avoid the performance impact of
         // Instant::now() in the full-channel case.