---

yaml
---
r: 178966
b: refs/heads/master
c: fb6b970
h: refs/heads/master
v: v3

Author: mzabaluev

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 3ac862816fc57fb6047986624d98f986cbfd40b9
+refs/heads/master: fb6b970bf8d12182a69b1e7ae222f3e2ebbb9003
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: ac134f7ca435551964996ee88319241cd3c7c110
 refs/heads/try: ccf8fedf1cffcb8f6f3581d53d220039e192fe77

trunk/src/libstd/io/mod.rs

@@ -24,7 +24,6 @@ use error::Error as StdError;
 use fmt;
 use iter::Iterator;
 use marker::Sized;
-use mem;
 use ops::{Drop, FnOnce};
 use option::Option::{self, Some, None};
 use ptr::PtrExt;
@@ -69,8 +68,8 @@ fn with_end_to_cap<F>(v: &mut Vec<u8>, f: F) -> Result<usize>
     unsafe {
         let n = try!(f({
             let base = v.as_mut_ptr().offset(v.len() as isize);
-            black_box(slice::from_raw_mut_buf(mem::copy_lifetime(v, &base),
-                                              v.capacity() - v.len()))
+            black_box(slice::from_raw_parts_mut(base,
+                                                v.capacity() - v.len()))
         }));
 
         // If the closure (typically a `read` implementation) reported that it