File: pr39639.C

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gcc-arm-none-eabi 15%3A7-2018-q2-5
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// Contributed by Dodji Seketeli <dodji@redhat.com>
// Origin: PR c++/39639
// { dg-do compile { target c++11 } }
// { dg-prune-output "template argument 1 is invalid" }

template <class... Types>
struct S
  : S<...Types>, // { dg-error "expected parameter pack before '...'" }
    S<...Types...>, // { dg-error "expected parameter pack before '...'" }
    S<...> // { dg-error "expected parameter pack before '...'" }
{
  static int f () { return 1;}
};

int
main ()
{
  return S<void>::f ();
}