From 88f30dee6ca6d99e46d4ce61f691fb3dff4ae7c8 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Mon, 20 Dec 2010 22:46:22 +0000
Subject: [PATCH] Test template instantiation of pack expansions where the
 parameter pack is in a nested-name-specifier

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122282 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CXX/temp/temp.decls/temp.variadic/p4.cpp | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/test/CXX/temp/temp.decls/temp.variadic/p4.cpp b/test/CXX/temp/temp.decls/temp.variadic/p4.cpp
index db4db7ddd2..b4f7c09981 100644
--- a/test/CXX/temp/temp.decls/temp.variadic/p4.cpp
+++ b/test/CXX/temp/temp.decls/temp.variadic/p4.cpp
@@ -1,15 +1,28 @@
 // RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
 
-template<typename... Types> struct Tuple;
+template<typename... Types> struct tuple;
 
 // FIXME: Many more bullets to go
 
 // In a template-argument-list (14.3); the pattern is a template-argument.
 template<typename ...Types>
 struct tuple_of_refs {
-  typedef Tuple<Types& ...> types;
+  typedef tuple<Types& ...> types;
 };
 
-Tuple<int&, float&> *t_int_ref_float_ref;
+tuple<int&, float&> *t_int_ref_float_ref;
 tuple_of_refs<int&, float&>::types *t_int_ref_float_ref_2 =  t_int_ref_float_ref;
 
+template<typename ...Types>
+struct extract_nested_types {
+  typedef tuple<typename Types::type...> types;
+};
+
+template<typename T>
+struct identity {
+  typedef T type;
+};
+
+tuple<int, float> *t_int_float;
+extract_nested_types<identity<int>, identity<float> >::types *t_int_float_2 
+  = t_int_float;
-- 
2.50.1