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comparison gcc/testsuite/g++.dg/template/friend23.C @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 // { dg-do compile }
2
3 // Origin: Alexandre Tolmos <ktulu@free.fr>
4
5 // PR c++/11876: Friend of its own class diagnostics
6
7 template <typename T>
8 class A
9 {
10 friend class A<int>;
11 friend class A<float>;
12 protected:
13 T _data;
14 inline A() : _data(0) {}
15 template <typename U>
16 inline A(const A<U>& r) : _data(r._data) {}
17 };
18
19 class B : public A<int>
20 {
21 public:
22 inline B() {}
23 inline B(const B& r) : A<int>(r) {}
24 };
25
26 class C : public A<float>
27 {
28 public:
29 inline C() {}
30 inline C(const B& r) : A<float>(r) {}
31 };
32
33 int main(int, char*[])
34 {
35 B b1, b2(b1);
36 C c(b1);
37 return 0;
38 }