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-rw-r--r--src/libstd/cell.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/cell.rs b/src/libstd/cell.rs
index e1d2b246dd3..53ea11f2b05 100644
--- a/src/libstd/cell.rs
+++ b/src/libstd/cell.rs
@@ -22,7 +22,8 @@ A dynamic, mutable location.
 Similar to a mutable option type, but friendlier.
 */
 
-#[mutable]
+#[mutable] // XXX remove after snap
+#[no_freeze]
 #[deriving(Clone, DeepClone, Eq)]
 #[allow(missing_doc)]
 pub struct Cell<T> {