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-rw-r--r--library/std/src/sync/mutex/tests.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/sync/mutex/tests.rs b/library/std/src/sync/mutex/tests.rs
index 93900566f..1786a3c09 100644
--- a/library/std/src/sync/mutex/tests.rs
+++ b/library/std/src/sync/mutex/tests.rs
@@ -181,7 +181,7 @@ fn test_mutex_arc_poison() {
let arc2 = arc.clone();
let _ = thread::spawn(move || {
let lock = arc2.lock().unwrap();
- assert_eq!(*lock, 2);
+ assert_eq!(*lock, 2); // deliberate assertion failure to poison the mutex
})
.join();
assert!(arc.lock().is_err());