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-rw-r--r--library/std/src/thread/mod.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs
index 479669647c1..555b2130dee 100644
--- a/library/std/src/thread/mod.rs
+++ b/library/std/src/thread/mod.rs
@@ -203,9 +203,19 @@ pub use self::local::{AccessError, LocalKey};
 
 #[unstable(feature = "libstd_thread_internals", issue = "none")]
 #[cfg(target_thread_local)]
+#[cfg(not(test))]
 #[doc(hidden)]
 pub use self::local::fast::Key as __FastLocalKeyInner;
 #[unstable(feature = "libstd_thread_internals", issue = "none")]
+#[cfg(target_thread_local)]
+#[cfg(test)] // when building for tests, use real std's key
+pub use realstd::thread::__FastLocalKeyInner;
+#[unstable(feature = "libstd_thread_internals", issue = "none")]
+#[cfg(target_thread_local)]
+#[cfg(test)]
+pub use self::local::fast::Key as __FastLocalKeyInnerUnused; // we import this anyway to silence 'unused' warnings
+
+#[unstable(feature = "libstd_thread_internals", issue = "none")]
 #[doc(hidden)]
 pub use self::local::os::Key as __OsLocalKeyInner;
 #[unstable(feature = "libstd_thread_internals", issue = "none")]