1 // { dg-do compile { target c++11 } } 2 template<typename...> struct list {}; 3 4 template<typename Sequence, typename Head> 5 struct push_front; 6 7 template<typename... Elements, typename Head> 8 struct push_front<list<Elements...>, Head> { 9 typedef list<Head, Elements> type; // { dg-error "parameter packs not expanded" } 10 }; 11 12 // { dg-message "Elements" "note" { target *-*-* } 9 } 13