From 2b6ed700ac98f9851deaa6abac003d469920a334 Mon Sep 17 00:00:00 2001
From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 21 Nov 2011 02:04:54 +0000
Subject: 	PR c++/48322 gcc/cp/ 	* cp-tree.h
 (PACK_EXPANSION_EXTRA_ARGS): New. 	* cp-tree.def (EXPR_PACK_EXPANSION):
 Add an operand for it. 	* pt.c (tsubst_pack_expansion): Set and use
 it. 	(iterative_hash_template_arg): Hash it. 	(template_args_equal):
 Compare it. 	(comp_template_args_with_info): Handle nulls. 	* tree.c
 (cp_walk_subtrees): Walk it. 	* typeck.c (structural_comptypes): Compare it.
 	* ptree.c (cxx_print_type): Print it. libstdc++-v3/ 	*
 include/std/tuple (tuple(_UElements&&...)): Fix SFINAE.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181547 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/testsuite/g++.dg/cpp0x/variadic120.C | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp0x/variadic120.C

(limited to 'gcc/testsuite/g++.dg/cpp0x/variadic120.C')

diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic120.C b/gcc/testsuite/g++.dg/cpp0x/variadic120.C
new file mode 100644
index 00000000000..e26ee4e9abe
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic120.C
@@ -0,0 +1,24 @@
+// PR c++/48322
+// { dg-do compile { target c++11 } }
+
+template <class... T> struct tuple;
+template <class T> struct tuple<T> { T t; };
+
+template <class T, class U> struct pair;
+template<> struct pair<int,double> { };
+
+template <class... Ts>
+struct A
+{
+  template <class... Us,
+            class V = tuple<pair<Ts,Us>...> >
+  static void f()
+  {
+    V v;
+  }
+};
+
+int main()
+{
+  A<int>::f<double>();
+}
-- 
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