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-rw-r--r--library/std/src/thread/local.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/thread/local.rs b/library/std/src/thread/local.rs
index 88bf186700f..9edb3fa4193 100644
--- a/library/std/src/thread/local.rs
+++ b/library/std/src/thread/local.rs
@@ -237,7 +237,7 @@ impl<T: 'static> LocalKey<T> {
         reason = "recently added to create a key",
         issue = "none"
     )]
-    #[rustc_const_unstable(feature = "thread_local_internals", issue = "none")]
+    #[cfg_attr(bootstrap, rustc_const_unstable(feature = "thread_local_internals", issue = "none"))]
     pub const unsafe fn new(inner: fn(Option<&mut Option<T>>) -> *const T) -> LocalKey<T> {
         LocalKey { inner }
     }