--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic-diag1.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,22 @@
+// PR c++/55232
+// { dg-do compile { target c++11 } }
+
+struct vector
+{
+    typedef int value_type;
+};
+
+template< class U, class... T >
+struct X
+{
+    void push_back( typename T::value_type ... vals )
+    {
+      U::asoeuth;		// { dg-error "" }
+    }
+};
+
+int main()
+{
+  X< int, vector > x;
+  x.push_back( 0 );
+}