From c6934a38d5c2ed189b88de97f9ea9901d052d93b Mon Sep 17 00:00:00 2001
From: Marshall Clow <mclow.lists@gmail.com>
Date: Tue, 31 Oct 2017 00:05:17 +0000
Subject: [PATCH] Add a fail test for aligned_union of an incomplete type. See
 LWG#2979. NFC

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@316969 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../meta.trans.other/aligned_union.fail.cpp   | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 test/std/utilities/meta/meta.trans/meta.trans.other/aligned_union.fail.cpp

diff --git a/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_union.fail.cpp b/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_union.fail.cpp
new file mode 100644
index 000000000..efee5064c
--- /dev/null
+++ b/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_union.fail.cpp
@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03
+
+// type_traits
+
+// aligned_union<size_t Len, class ...Types>
+
+#include <type_traits>
+
+class A; // Incomplete
+
+int main()
+{
+    typedef std::aligned_union<10, A>::type T1;
+}