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comparison gcc/testsuite/g++.dg/cpp0x/variadic-crash5.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 // PR c++/81957
2 // { dg-do compile { target c++11 } }
3
4 template <class T, T v>
5 struct integral_constant { };
6
7 struct f {
8 template<bool b, typename Int>
9 void operator()(integral_constant<bool,b>, Int i) {
10 }
11 };
12
13 template<bool...Bs, typename F, typename ...T>
14 auto dispatch(F f, T...t) -> decltype(f(integral_constant<bool,Bs>()..., t...)) {
15 return f(integral_constant<bool,Bs>()..., t...);
16 }
17
18 template<bool...Bs, typename F, typename ...T>
19 auto dispatch(F f, bool b, T...t) -> decltype(dispatch<Bs..., true>(f, t...)) {
20 if (b)
21 return dispatch<Bs..., true>(f, t...);
22 else
23 return dispatch<Bs..., false>(f, t...);
24 }
25
26 int main() {
27 dispatch(f(), true, 5);
28 }