1 files changed, 24 insertions, 0 deletions
diff --git a/test/libcxx/diagnostics/nodiscard.fail.cpp b/test/libcxx/diagnostics/nodiscard.fail.cpp
new file mode 100644
index 000000000000..903a24a72805
--- /dev/null
+++ b/test/libcxx/diagnostics/nodiscard.fail.cpp
@@ -0,0 +1,24 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// Test that _LIBCPP_NODISCARD_AFTER_CXX17 works
+//	#define _LIBCPP_NODISCARD_AFTER_CXX17 [[nodiscard]]
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
+// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8
+
+#include <__config>
+
+_LIBCPP_NODISCARD_AFTER_CXX17 int foo() { return 6; }
+
+int main ()
+{
+	foo();	// expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
+}