---

yaml
---
r: 130990
b: refs/heads/try
c: 7e12e67
h: refs/heads/master
v: v3

Author: brson

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 9c68679f2ebd5b165694e9346e4ad96a3e32aceb
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 6faa4f33a42de32579e02a8d030db920d360e2b5
-refs/heads/try: fc3b6383ba346dcf243d189fa2d87e2b5f2b9f61
+refs/heads/try: 7e12e67936dd2ad12e529278344dab369ccb75a0
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/etc/licenseck.py

@@ -44,7 +44,6 @@
     "libsync/mpsc_intrusive.rs", # BSD
     "test/bench/shootout-binarytrees.rs", # BSD
     "test/bench/shootout-fannkuch-redux.rs", # BSD
-    "test/bench/shootout-fannkuch-redux-safe.rs", # BSD
     "test/bench/shootout-k-nucleotide.rs", # BSD
     "test/bench/shootout-mandelbrot.rs", # BSD
     "test/bench/shootout-meteor.rs", # BSD

branches/try/src/libcore/slice.rs

@@ -806,7 +806,12 @@ impl<'a,T> MutableSlice<'a, T> for &'a mut [T] {
         let mut i: uint = 0;
         let ln = self.len();
         while i < ln / 2 {
-            self.swap(i, ln - i - 1);
+            // Unsafe swap to avoid the bounds check in safe swap.
+            unsafe {
+                let pa: *mut T = self.unsafe_mut_ref(i);
+                let pb: *mut T = self.unsafe_mut_ref(ln - i - 1);
+                ptr::swap(pa, pb);
+            }
             i += 1;
         }
     }

branches/try/src/test/bench/shootout-fannkuch-redux-safe.rs

@@ -125,13 +125,7 @@ impl Perm {
 
 
 fn reverse(tperm: &mut [i32], mut k: uint) {
-    let p = tperm.as_mut_ptr();
-
-    unsafe {
-        for off in range(0, k as int / 2) {
-            std::ptr::swap(p.offset(off), p.offset(k as int - 1 - off));
-        }
-    }
+    tperm.mut_slice_to(k).reverse()
 }
 
 fn work(mut perm: Perm, n: uint, max: uint) -> (i32, i32) {