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view gcc/testsuite/g++.dg/cpp0x/constexpr-55708.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++/55708 // { dg-do compile { target c++11 } } template<int N,int NNN> struct AA { static constexpr int val = N; }; template<typename A,typename B> //constexpr unsigned long long mymax(A a,B b){ // <-- compiles constexpr unsigned long long mymax(A && a,const B& b){ return a<b?b:a; } template<char... List> constexpr long long operator"" _y() noexcept { return AA<1, mymax(1,2)>::val; // <-- crashes gcc // return mymax(1,2); // <-- compiles // return AA<1,2>::val; // <-- compiles } template<char... List> constexpr unsigned long long do_y() noexcept { return AA<1, mymax(1,2)>::val; // <-- crashes gcc } int main() { return 1_y + do_y(); }