1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tsan/atomic_free2.C b/gcc/testsuite/g++.dg/tsan/atomic_free2.C
new file mode 100644
index 00000000000..7ccaa1a95d9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tsan/atomic_free2.C
@@ -0,0 +1,21 @@
+/* { dg-do run } */
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <unistd.h>
+
+void *Thread(void *a) {
+  sleep(1);
+  __atomic_fetch_add((int*)a, 1, __ATOMIC_SEQ_CST);
+  return 0;
+}
+
+int main() {
+  int *a = new int(0);
+  pthread_t t;
+  pthread_create(&t, 0, Thread, a);
+  delete a;
+  pthread_join(t, 0);
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: heap-use-after-free.*(\n|\r\n|\r)" } */