1 files changed, 27 insertions, 0 deletions
diff --git a/test/libcxx/thread/thread.mutex/thread.mutex.requirements/thread.mutex.requirements.mutex/thread.mutex.recursive/native_handle.pass.cpp b/test/libcxx/thread/thread.mutex/thread.mutex.requirements/thread.mutex.requirements.mutex/thread.mutex.recursive/native_handle.pass.cpp
new file mode 100644
index 000000000000..10626bc4072e
--- /dev/null
+++ b/test/libcxx/thread/thread.mutex/thread.mutex.requirements/thread.mutex.requirements.mutex/thread.mutex.recursive/native_handle.pass.cpp
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: libcpp-has-no-threads
+
+// <mutex>
+
+// class recursive_mutex;
+
+// typedef pthread_mutex_t* native_handle_type;
+// native_handle_type native_handle();
+
+#include <mutex>
+#include <cassert>
+
+int main()
+{
+    std::recursive_mutex m;
+    pthread_mutex_t* h = m.native_handle();
+    assert(h);
+}