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-rw-r--r--src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs
index 648c004c97c..d21f953672d 100644
--- a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs
+++ b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs
@@ -219,6 +219,7 @@ fn wait_wake_bitset() {
     t.join().unwrap();
 }
 
+// Crucial test which relies on the SeqCst fences in futex wait/wake.
 fn concurrent_wait_wake() {
     const FREE: i32 = 0;
     const HELD: i32 = 1;