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// { dg-options "-std=gnu++0x" }

template struct add_pointer;

template struct add_reference;

template class... Metafunctions>

struct metatuple {

  static const int value = 0;

};

template<>

struct metatuple {

  static const int value = 1;

};

template class Meta>

struct metatuple { // { dg-error "candidates" }

  static const int value = 2;

};

template class... Metafunctions>

struct metatuple { // { dg-error "" }

  static const int value = 3;

};

template class First,

         template class... Metafunctions>

struct metatuple { // { dg-error "struct" }

  static const int value = 4;

};

template class First,

         template class Second,

         template class... Metafunctions>

struct metatuple { // { dg-error "struct" }

  static const int value = 5;

};

int a0[metatuple<>::value == 0? 1 : -1];

int a1[metatuple::value == 1? 1 : -1];

int a2a[metatuple::value == 2? 1 : -1]; // { dg-error "ambiguous" }

int a2b[metatuple::value == 2? 1 : -1];

int a3[metatuple::value == 3? 1 : -1]; // { dg-error "ambiguous" }

int a4[metatuple::value == 4? 1 : -1];

int a5[metatuple::value == 5? 1 : -1];

// { dg-error "incomplete" "" { target *-*-* } 40 }

// { dg-error "incomplete" "" { target *-*-* } 42 }