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-rw-r--r--src/liballoc/sync.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/liballoc/sync.rs b/src/liballoc/sync.rs
index 35935861fb1..bcf5212f1ff 100644
--- a/src/liballoc/sync.rs
+++ b/src/liballoc/sync.rs
@@ -199,7 +199,7 @@ const MAX_REFCOUNT: usize = (isize::MAX) as usize;
 /// counting in general.
 ///
 /// [rc_examples]: ../../std/rc/index.html#examples
-#[cfg_attr(all(not(stage0), not(test)), lang = "arc")]
+#[cfg_attr(not(test), lang = "arc")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct Arc<T: ?Sized> {
     ptr: NonNull<ArcInner<T>>,