Merge to upstream r225300.

Change-Id: I2b23715db9ac129ff80aa78ad5824db0a4d6fbb3

test/std/language.support/support.runtime/cstdbool.pass.cpp

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 <cstdbool>
+
+#include <cstdbool>
+
+#ifndef __bool_true_false_are_defined
+#error __bool_true_false_are_defined not defined
+#endif
+
+#ifdef bool
+#error bool should not be defined
+#endif
+
+#ifdef true
+#error true should not be defined
+#endif
+
+#ifdef false
+#error false should not be defined
+#endif
+
+int main()
+{
+}