Mark 218 tests as fail to compile lack of C++0x features.

test/strings/c.strings/cuchar.fail.cpp

@@ -0,0 +1,16 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <cuchar>
+
+#include <cuchar>
+
+int main()
+{
+}