1 files changed, 41 insertions, 0 deletions
diff --git a/test/std/thread/thread.mutex/thread.lock/thread.lock.guard/variadic_copy.fail.cpp b/test/std/thread/thread.mutex/thread.lock/thread.lock.guard/variadic_copy.fail.cpp
new file mode 100644
index 000000000000..6dc37e970fb6
--- /dev/null
+++ b/test/std/thread/thread.mutex/thread.lock/thread.lock.guard/variadic_copy.fail.cpp
@@ -0,0 +1,41 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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
+// UNSUPPORTED: c++98, c++03
+
+// <mutex>
+
+// template <class ...Mutex> class lock_guard;
+
+// lock_guard(lock_guard const&) = delete;
+
+#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD
+#include <mutex>
+
+int main()
+{
+    using M = std::mutex;
+    M m0, m1, m2;
+    {
+        using LG = std::lock_guard<>;
+        const LG Orig;
+        LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
+    }
+    {
+        using LG = std::lock_guard<M, M>;
+        const LG Orig(m0, m1);
+        LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
+    }
+    {
+        using LG = std::lock_guard<M, M, M>;
+        const LG Orig(m0, m1, m2);
+        LG Copy(Orig); // expected-error{{call to deleted constructor of 'LG'}}
+    }
+}