placeholder test

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124193 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/meta/meta.trans/meta.trans.other/aligned_union.pass.cpp

@@ -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.
+//
+//===----------------------------------------------------------------------===//
+
+// type_traits
+
+// aligned_union
+
+#include <type_traits>
+
+int main()
+{
+#error aligned_union is not implemented
+}