re PR c++/71451 (ICE on invalid C++11 code on x86_64-linux-gnu: in…

re PR c++/71451 (ICE on invalid C++11 code on x86_64-linux-gnu: in dependent_type_p, at cp/pt.c:22599)

2017-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71451
	* g++.dg/cpp0x/variadic170.C: New.

From-SVN: r248473

gcc/testsuite/ChangeLog

+2017-05-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/71451
+	* g++.dg/cpp0x/variadic170.C: New.
+
 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
 
 	* g++.dg/warn/Wcatch-value-1.C: New test.

gcc/testsuite/g++.dg/cpp0x/variadic170.C

+// PR c++/71451
+// { dg-do compile { target c++11 } }
+
+template < int > struct A;
+
+template < typename ... T >
+struct B
+{ 
+  template < typename A < T::value >::type > void foo ();  // { dg-error "parameter packs" }
+};
+
+int main ()
+{ 
+  B < int > t;
+  t.foo ();
+  return 0;
+}