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-rw-r--r--test/tsan/race_stress.cc25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/tsan/race_stress.cc b/test/tsan/race_stress.cc
new file mode 100644
index 000000000000..38acefce6e46
--- /dev/null
+++ b/test/tsan/race_stress.cc
@@ -0,0 +1,25 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
+#include "test.h"
+
+const int kThreads = 16;
+const int kIters = 1000;
+
+volatile int X = 0;
+
+void *thr(void *arg) {
+ for (int i = 0; i < kIters; i++)
+ X++;
+ return 0;
+}
+
+int main() {
+ pthread_t th[kThreads];
+ for (int i = 0; i < kThreads; i++)
+ pthread_create(&th[i], 0, thr, 0);
+ for (int i = 0; i < kThreads; i++)
+ pthread_join(th[i], 0);
+ fprintf(stderr, "DONE\n");
+}
+
+// CHECK: ThreadSanitizer: data race
+// CHECK: DONE