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comparison gcc/testsuite/g++.dg/cpp1z/constexpr-if26.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // PR c++/88752
2 // { dg-do compile { target c++17 } }
3
4 template <int a> struct b { static constexpr int c = a; };
5 class d;
6 template <typename> struct e { typedef d f; };
7 template <typename g> using h = typename e<g>::f;
8 template <typename> constexpr bool i = b<true>::c;
9 class d {
10 public:
11 using j = float;
12 };
13 template <typename> void k();
14 int main() { k<d>(); }
15 template <class l> l m;
16 template <class, class r> void n(r o) {
17 [](int) {}(o(m<d>));
18 }
19 template <typename> void k() {
20 n<int>([](auto inputs) {
21 auto p(inputs);
22 using s = h<decltype(p)>;
23 s q;
24 if constexpr (i<typename s::j>)
25 [&] { return q; }();
26 return 42;
27 });
28 }