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comparison gcc/testsuite/g++.dg/cpp1z/pr87814.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 // { dg-do compile { target c++17 } }
2
3 template<class Element>
4 struct box {
5 template<class E>
6 constexpr box(E && e)
7 noexcept(noexcept(Element(e)))
8 {}
9 };
10
11 template<class... Ts>
12 struct compressed_tuple_ : box<Ts> ... {
13 template<typename... Args>
14 constexpr compressed_tuple_(Args &&... args)
15 noexcept((noexcept(box<Ts>(args)) && ...))
16 : box<Ts>(args)...
17 {}
18 };
19
20 struct adaptor_cursor : compressed_tuple_<int*> {
21 using compressed_tuple_::compressed_tuple_;
22 };
23
24 int main() {
25 (void)noexcept(adaptor_cursor{(int*)0});
26 }