1 // { dg-do run }
2 
3 // Copyright (C) 2002 Free Software Foundation, Inc.
4 // Contributed by Nathan Sidwell 24 Dec 2002 <nathan@codesourcery.com>
5 
6 // PR 5116. template instantiation can add a friend into a namespace,
7 // and thus change overload resolution.
8 
9 #include <iostream>
10 
11 static int right;
12 static int wrong;
13 
14 struct Buggy {};
15 
16 template <typename T>struct Handle
17 {
HandleHandle18   Handle(T* p) {}
19 
20   operator bool() const { wrong++; return true; }
21 
22   friend std::ostream& operator<<(std::ostream& ostr, const Handle& r)
23   {
24     right++;
25 
26     return ostr << "in operator<<(ostream&, const Handle&)";
27   }
28 };
29 
30 typedef Handle<Buggy>     Buggy_h;
31 
cmp(const Buggy_h & b1,const Buggy_h & b2)32 bool cmp (const Buggy_h& b1, const Buggy_h& b2)
33 {
34   std::cout << b1 << " " << b2 << std::endl;
35   return false;
36 }
37 
main()38 int main()
39 {
40   Buggy o;
41 
42   cmp (&o, &o);
43 
44   return !(right == 2 && !wrong);
45 }
46