1 files changed, 24 insertions, 0 deletions
diff --git a/src/libcore/slice.rs b/src/libcore/slice.rs
index 097633b7063..cd91843f359 100644
--- a/src/libcore/slice.rs
+++ b/src/libcore/slice.rs
@@ -626,6 +626,8 @@ impl<'a, T> Default for &'a [T] {
 // Iterators
 //
 
+// NOTE(stage0): remove impl after a snapshot
+#[cfg(stage0)]
 impl<'a, T> IntoIterator for &'a [T] {
     type IntoIter = Iter<'a, T>;
 
@@ -634,7 +636,29 @@ impl<'a, T> IntoIterator for &'a [T] {
     }
 }
 
+#[cfg(not(stage0))]  // NOTE(stage0): remove cfg after a snapshot
+impl<'a, T> IntoIterator for &'a [T] {
+    type Item = &'a T;
+    type IntoIter = Iter<'a, T>;
+
+    fn into_iter(self) -> Iter<'a, T> {
+        self.iter()
+    }
+}
+
+// NOTE(stage0): remove impl after a snapshot
+#[cfg(stage0)]
+impl<'a, T> IntoIterator for &'a mut [T] {
+    type IntoIter = IterMut<'a, T>;
+
+    fn into_iter(self) -> IterMut<'a, T> {
+        self.iter_mut()
+    }
+}
+
+#[cfg(not(stage0))]  // NOTE(stage0): remove cfg after a snapshot
 impl<'a, T> IntoIterator for &'a mut [T] {
+    type Item = &'a mut T;
     type IntoIter = IterMut<'a, T>;
 
     fn into_iter(self) -> IterMut<'a, T> {