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111
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1 // { dg-do compile }
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2
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3 // Origin: Alexandre Tolmos <ktulu@free.fr>
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4
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5 // PR c++/11876: Friend of its own class diagnostics
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6
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7 template <typename T>
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8 class A
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9 {
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10 friend class A<int>;
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11 friend class A<float>;
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12 protected:
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13 T _data;
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14 inline A() : _data(0) {}
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15 template <typename U>
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16 inline A(const A<U>& r) : _data(r._data) {}
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17 };
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18
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19 class B : public A<int>
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20 {
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21 public:
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22 inline B() {}
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23 inline B(const B& r) : A<int>(r) {}
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24 };
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25
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26 class C : public A<float>
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27 {
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28 public:
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29 inline C() {}
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30 inline C(const B& r) : A<float>(r) {}
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31 };
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32
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33 int main(int, char*[])
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34 {
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35 B b1, b2(b1);
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36 C c(b1);
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37 return 0;
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38 }
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