---

yaml
---
r: 12197
b: refs/heads/master
c: 166d14e
h: refs/heads/master
i:
  12195: 1f2e08a
v: v3

Author: pcwalton

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: b210c7ad9741fa8d560494a5686d4ac62519899f
+refs/heads/master: 166d14e42de0d29ba88fa5a88551a76f7a12418e
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 4a81779abd786ff22d71434c6d9a5917ea4cdfff
 refs/heads/try: 2898dcc5d97da9427ac367542382b6239d9c0bbf

trunk/src/libstd/arena.rs

@@ -27,7 +27,7 @@ impl arena for arena {
         let mut head = list::head(self.chunks);
         let chunk_size = vec::alloc_len(head.data);
         let new_min_chunk_size = uint::max(n_bytes, chunk_size);
-        head = chunk(uint::next_power_of_two(new_min_chunk_size));
+        head = chunk(uint::next_power_of_two(new_min_chunk_size + 1u));
         self.chunks = list::cons(head, @self.chunks);
 
         ret self.alloc(n_bytes, align);