File: variadic71.C

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gcc-arm-none-eabi 15%3A7-2018-q2-5
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// { dg-do compile { target c++11 } }
template<typename...> struct list {};

template<typename Sequence, typename Head>
struct push_front;

template<typename... Elements, typename Head>
struct push_front<list<Elements...>, Head> {
  typedef list<Head, Elements> type; // { dg-error "parameter packs not expanded" }
};

// { dg-message "Elements" "note" { target *-*-* } 9 }