Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/template/friend10.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
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// { dg-do run } // Copyright (C) 2002 Free Software Foundation, Inc. // Contributed by Nathan Sidwell 24 Dec 2002 <nathan@codesourcery.com> // PR 5116. template instantiation can add a friend into a namespace, // and thus change overload resolution. #include <iostream> static int right; static int wrong; struct Buggy {}; template <typename T>struct Handle { Handle(T* p) {} operator bool() const { wrong++; return true; } friend std::ostream& operator<<(std::ostream& ostr, const Handle& r) { right++; return ostr << "in operator<<(ostream&, const Handle&)"; } }; typedef Handle<Buggy> Buggy_h; bool cmp (const Buggy_h& b1, const Buggy_h& b2) { std::cout << b1 << " " << b2 << std::endl; return false; } int main() { Buggy o; cmp (&o, &o); return !(right == 2 && !wrong); }