1 files changed, 50 insertions, 0 deletions
diff --git a/compiler-rt/test/tsan/Darwin/libcxx-shared-ptr.mm b/compiler-rt/test/tsan/Darwin/libcxx-shared-ptr.mm
new file mode 100644
index 00000000000..e1ea2261d49
--- /dev/null
+++ b/compiler-rt/test/tsan/Darwin/libcxx-shared-ptr.mm
@@ -0,0 +1,50 @@
+// RUN: %clang_tsan %s -o %t -framework Foundation
+// RUN: %env_tsan_opts=ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s
+
+#import <Foundation/Foundation.h>
+
+#import <memory>
+
+#import "../test.h"
+
+long my_global;
+
+struct MyStruct {
+  void setGlobal() {
+    my_global = 42;
+  }
+  ~MyStruct() {
+    my_global = 43;
+  }
+};
+
+int main(int argc, const char *argv[]) {
+  fprintf(stderr, "Hello world.\n");
+  print_address("addr=", 1, &my_global);
+  barrier_init(&barrier, 2);
+
+  std::shared_ptr<MyStruct> shared(new MyStruct());
+
+  dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+
+  std::weak_ptr<MyStruct> weak(shared);
+  
+  dispatch_async(q, ^{
+    {
+      std::shared_ptr<MyStruct> strong = weak.lock();
+      if (!strong) exit(1);
+
+      strong->setGlobal();
+    }
+    barrier_wait(&barrier);
+  });
+
+  barrier_wait(&barrier);
+  shared.reset();
+
+  fprintf(stderr, "Done.\n");
+}
+
+// CHECK: Hello world.
+// CHECK: Done.
+// CHECK-NOT: WARNING: ThreadSanitizer