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111
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1 // { dg-do run }
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2
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3 // Copyright (C) 2002 Free Software Foundation, Inc.
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4 // Contributed by Nathan Sidwell 24 Dec 2002 <nathan@codesourcery.com>
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5
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6 // PR 5116. template instantiation can add a friend into a namespace,
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7 // and thus change overload resolution.
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8
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9 #include <iostream>
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10
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11 static int right;
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12 static int wrong;
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13
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14 struct Buggy {};
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15
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16 template <typename T>struct Handle
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17 {
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18 Handle(T* p) {}
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19
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20 operator bool() const { wrong++; return true; }
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21
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22 friend std::ostream& operator<<(std::ostream& ostr, const Handle& r)
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23 {
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24 right++;
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25
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26 return ostr << "in operator<<(ostream&, const Handle&)";
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27 }
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28 };
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29
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30 typedef Handle<Buggy> Buggy_h;
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31
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32 bool cmp (const Buggy_h& b1, const Buggy_h& b2)
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33 {
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34 std::cout << b1 << " " << b2 << std::endl;
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35 return false;
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36 }
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37
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38 int main()
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39 {
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40 Buggy o;
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41
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42 cmp (&o, &o);
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43
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44 return !(right == 2 && !wrong);
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45 }
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