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-rw-r--r--library/core/src/prelude/common.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/prelude/common.rs b/library/core/src/prelude/common.rs
index 8b116cecb52..b8640bc3815 100644
--- a/library/core/src/prelude/common.rs
+++ b/library/core/src/prelude/common.rs
@@ -12,7 +12,8 @@ pub use crate::marker::{Copy, Send, Sized, Sync, Unpin};
 #[stable(feature = "core_prelude", since = "1.4.0")]
 #[doc(no_inline)]
 pub use crate::ops::{Drop, Fn, FnMut, FnOnce};
-#[stable(feature = "async_closure", since = "1.85.0")]
+#[cfg_attr(bootstrap, unstable(feature = "async_closure", issue = "62290"))]
+#[cfg_attr(not(bootstrap), stable(feature = "async_closure", since = "1.85.0"))]
 #[doc(no_inline)]
 pub use crate::ops::{AsyncFn, AsyncFnMut, AsyncFnOnce};