}
}
-#[stable(feature = "unsafe_cell_default", since = "1.9.0")]
+#[stable(feature = "unsafe_cell_default", since = "1.10.0")]
impl<T: Default> Default for UnsafeCell<T> {
/// Creates an `UnsafeCell`, with the `Default` value for T.
fn default() -> UnsafeCell<T> {