re PR c++/58734 ([C++11] Template template parameter pack instantiation problem)

2015-07-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58734
	* g++.dg/cpp0x/variadic-ttp2.C: New.

From-SVN: r225713

gcc/testsuite/ChangeLog

+2015-07-11  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58734
+	* g++.dg/cpp0x/variadic-ttp2.C: New.
+
 2015-07-10  Patrick Palka  <ppalka@gcc.gnu.org>
 
 	PR c++/30044

gcc/testsuite/g++.dg/cpp0x/variadic-ttp2.C

+// PR c++/58734
+// { dg-do compile { target c++11 } }
+
+template <typename R1, typename R2>
+struct W1 { };
+
+template <template <typename, typename> class W>
+struct A { };
+
+template <template <typename, typename> class ...W>
+struct B { };
+
+template <template <typename, typename> class ...W>
+void f(A<W...> &a, B<W...> &b);
+
+void g()
+{
+  A<W1> a;
+  B<W1> b;
+
+  ::f(a, b);
+}