From 71d5a2540a98c81f5bcaeb48805e0e2881f530ef Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 16 Apr 2017 16:01:22 +0000
Subject: Vendor import of llvm trunk r300422:
 https://llvm.org/svn/llvm-project/llvm/trunk@300422

---
 unittests/Support/TrailingObjectsTest.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'unittests/Support/TrailingObjectsTest.cpp')

diff --git a/unittests/Support/TrailingObjectsTest.cpp b/unittests/Support/TrailingObjectsTest.cpp
index cb5c47d1b25b..23acc54d2376 100644
--- a/unittests/Support/TrailingObjectsTest.cpp
+++ b/unittests/Support/TrailingObjectsTest.cpp
@@ -236,3 +236,24 @@ TEST(TrailingObjects, Realignment) {
                 reinterpret_cast<char *>(C + 1) + 1, alignof(long))));
 }
 }
+
+// Test the use of TrailingObjects with a template class. This
+// previously failed to compile due to a bug in MSVC's member access
+// control/lookup handling for OverloadToken.
+template <typename Derived>
+class Class5Tmpl : private llvm::TrailingObjects<Derived, float, int> {
+  using TrailingObjects = typename llvm::TrailingObjects<Derived, float>;
+  friend TrailingObjects;
+
+  size_t numTrailingObjects(
+      typename TrailingObjects::template OverloadToken<float>) const {
+    return 1;
+  }
+
+  size_t numTrailingObjects(
+      typename TrailingObjects::template OverloadToken<int>) const {
+    return 2;
+  }
+};
+
+class Class5 : public Class5Tmpl<Class5> {};
-- 
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