re PR c++/60153 (internal compiler error: in dependent_type_p, at cp/pt.c:21951)

2017-10-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/60153
	* g++.dg/cpp0x/variadic-crash3.C: New.

From-SVN: r253484

gcc/testsuite/ChangeLog

+2017-10-06  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/60153
+	* g++.dg/cpp0x/variadic-crash3.C: New.
+
 2017-10-06  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/82434

gcc/testsuite/g++.dg/cpp0x/variadic-crash3.C

+// PR c++/60153
+// { dg-do compile { target c++11 } }
+
+enum class foo :int {x,y,z};
+
+template <int a, foo b>
+class A
+{
+public:
+  A()
+  {
+  }
+};
+
+template <typename T>
+struct B
+{
+  typedef T value_type;
+  static const T val;
+};
+
+template <typename... B>
+struct madscience_intitializer
+{
+  template <typename B::value_type... args>
+  using ret_type = A<args...>;
+};
+
+int main()
+{
+  madscience_intitializer<B<int>,B<foo> >::ret_type<1,foo::y> a;
+}