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view gcc/testsuite/g++.dg/cpp0x/decltype58.C @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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// PR c++/52875 // { dg-do compile { target c++11 } } struct A { friend void swap(A&,A&) {} }; class B { A a; template <class T> friend auto swap(T& x, T& y) -> decltype(swap(x.a,y.a)) { swap(x.a,y.a); } }; int main() { B x, y; swap(x, y); }