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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 1d728349951..ffd17dc9909 100644
--- a/library/std/src/thread/local.rs
+++ b/library/std/src/thread/local.rs
@@ -95,7 +95,7 @@ use crate::fmt;
 /// [loader lock]: https://docs.microsoft.com/en-us/windows/win32/dlls/dynamic-link-library-best-practices
 /// [`JoinHandle::join`]: crate::thread::JoinHandle::join
 /// [`with`]: LocalKey::with
-#[rustc_diagnostic_item = "LocalKey"]
+#[cfg_attr(not(test), rustc_diagnostic_item = "LocalKey")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct LocalKey<T: 'static> {
     // This outer `LocalKey<T>` type is what's going to be stored in statics,