1 files changed, 13 insertions, 0 deletions

diff --git a/tools/lib/lockdep/tests/AA.c b/tools/lib/lockdep/tests/AA.c
new file mode 100644
index 000000000000..0f782ff404ac
--- /dev/null
+++ b/tools/lib/lockdep/tests/AA.c
@@ -0,0 +1,13 @@
+#include <liblockdep/mutex.h>
+
+void main(void)
+{
+        pthread_mutex_t a, b;
+
+        pthread_mutex_init(&a, NULL);
+        pthread_mutex_init(&b, NULL);
+
+        pthread_mutex_lock(&a);
+        pthread_mutex_lock(&b);
+        pthread_mutex_lock(&a);
+}