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view gcc/testsuite/g++.dg/cpp0x/fntmpdefarg9.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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// PR c++/85866 // { dg-do compile { target c++11 } } template<typename _Tp, typename _Up = _Tp&&> _Up __declval(int); template<typename _Tp> _Tp __declval(long); template<typename _Tp> auto declval() noexcept -> decltype(__declval<_Tp>(0)); template<typename...> using void_t = void; template<typename U, typename V, void_t<decltype ( (declval<U>().*declval<V>()) () ) >* = nullptr> void boom(){} struct Foo { void bar(){} }; int main() { boom<Foo, decltype(&Foo::bar)>(); }