---

yaml
---
r: 185579
b: refs/heads/master
c: 3c1f61c
h: refs/heads/master
i:
  185577: b077fbd
  185575: e597fdf
v: v3

Author: Manishearth

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 4ac53cc6cef35beb7a517c48169dc36723dba7b1
+refs/heads/master: 3c1f61ce63e911698666c7da1bbf21cdc9818a84
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 3a96d6a9818fe2affc98a187fb1065120458cee9
 refs/heads/try: ccf8fedf1cffcb8f6f3581d53d220039e192fe77

trunk/src/libcore/iter.rs

@@ -68,7 +68,7 @@ use num::{ToPrimitive, Int};
 use ops::{Add, Deref, FnMut};
 use option::Option;
 use option::Option::{Some, None};
-use marker::{Send, Sized, Sync};
+use marker::Sized;
 use usize;
 
 /// An interface for dealing with "external iterators". These types of iterators
@@ -1783,10 +1783,6 @@ pub struct Peekable<I: Iterator> {
     peeked: Option<I::Item>,
 }
 
-// FIXME: after #22828 being fixed, the following unsafe impl should be removed
-unsafe impl<I: Iterator> Sync for Peekable<I> where I: Sync, I::Item: Sync {}
-unsafe impl<I: Iterator> Send for Peekable<I> where I: Send, I::Item: Send {}
-
 impl<I: Iterator + Clone> Clone for Peekable<I> where I::Item: Clone {
     fn clone(&self) -> Peekable<I> {
         Peekable {