1 files changed, 19 insertions, 0 deletions
diff --git a/test/std/strings/basic.string/test_traits.h b/test/std/strings/basic.string/test_traits.h
new file mode 100644
index 0000000000000..f635b1d751626
--- /dev/null
+++ b/test/std/strings/basic.string/test_traits.h
@@ -0,0 +1,19 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef TEST_TRAITS_H
+#define TEST_TRAITS_H
+
+template <class charT>
+struct test_traits
+{
+    typedef charT     char_type;
+};
+
+#endif  // TEST_TRAITS_H