---

yaml
---
r: 187920
b: refs/heads/tmp
c: 3c1f61c
h: refs/heads/master
v: v3

Author: Manishearth

[refs]

@@ -34,5 +34,5 @@ refs/heads/building: 126db549b038c84269a1e4fe46f051b2c15d6970
 refs/heads/beta: 522d09dfecbeca1595f25ac58c6d0178bbd21d7d
 refs/heads/windistfix: 7608dbad651f02e837ed05eef3d74a6662a6e928
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
-refs/heads/tmp: 4ac53cc6cef35beb7a517c48169dc36723dba7b1
+refs/heads/tmp: 3c1f61ce63e911698666c7da1bbf21cdc9818a84
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/tmp/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 {