1 files changed, 23 insertions, 0 deletions
diff --git a/test/tsan/bench_single_writer.cc b/test/tsan/bench_single_writer.cc
new file mode 100644
index 000000000000..0d3810a03ad0
--- /dev/null
+++ b/test/tsan/bench_single_writer.cc
@@ -0,0 +1,23 @@
+// RUN: %clangxx_tsan %s -o %t
+// RUN: %run %t 2>&1 | FileCheck %s
+
+#include "bench.h"
+
+int x;
+
+void thread(int tid) {
+  if (tid == 0) {
+    for (int i = 0; i < bench_niter; i++)
+      __atomic_store_n(&x, 0, __ATOMIC_RELEASE);
+  } else {
+    for (int i = 0; i < bench_niter; i++)
+      __atomic_load_n(&x, __ATOMIC_ACQUIRE);
+  }
+}
+
+void bench() {
+  start_thread_group(bench_nthread, thread);
+}
+
+// CHECK: DONE
+