1 files changed, 21 insertions, 0 deletions
diff --git a/test/std/thread/thread.mutex/thread.lock/thread.lock.guard/variadic_mutex_cxx03.pass.cpp b/test/std/thread/thread.mutex/thread.lock/thread.lock.guard/variadic_mutex_cxx03.pass.cpp
new file mode 100644
index 000000000000..3c134e0b8861
--- /dev/null
+++ b/test/std/thread/thread.mutex/thread.lock/thread.lock.guard/variadic_mutex_cxx03.pass.cpp
@@ -0,0 +1,21 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>
+
+// template <class ...Mutex> class lock_guard;
+
+// Test that the variadic lock guard implementation compiles in all standard
+// dialects, including C++03, even though it is forward declared using
+// variadic templates.
+
+#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
+#include "mutex.pass.cpp" // Use the existing non-variadic test