---

yaml
---
r: 102648
b: refs/heads/auto
c: 4f462a0
h: refs/heads/master
v: v3

Author: csherratt

[refs]

@@ -13,7 +13,7 @@ refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: 06a8d59ded67dfaa589112ceb8a8e031bc575249
+refs/heads/auto: 4f462a05066ea4ddbe65d3033402e7c80247ddde
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/src/libextra/arc.rs

@@ -559,7 +559,7 @@ pub struct CowArc<T> { priv x: UnsafeArc<T> }
 /// mutation of the contents if there is only a single reference to
 /// the data. If there are multiple references the data is automatically
 /// cloned and the task modifies the cloned data in place of the shared data.
-impl<T:Clone+Send> CowArc<T> {
+impl<T:Clone+Send+Freeze> CowArc<T> {
     /// Create a copy-on-write atomically reference counted wrapper
     #[inline]
     pub fn new(data: T) -> CowArc<T> {
@@ -583,7 +583,7 @@ impl<T:Clone+Send> CowArc<T> {
     }
 }
 
-impl<T:Clone+Send> Clone for CowArc<T> {
+impl<T:Clone+Send+Freeze> Clone for CowArc<T> {
     /// Duplicate a Copy-on-write Arc. See arc::clone for more details.
     #[inline]
     fn clone(&self) -> CowArc<T> {