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comparison gcc/testsuite/g++.dg/cpp2a/nontype-class33.C @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 // PR c++/90938 - Initializing array with {1} works, but not {0}
2 // { dg-do compile { target c++20 } }
3 // { dg-options "-Wall" }
4
5 struct A { int i; };
6 struct B { A a[2]; };
7
8 static const constexpr A a0 = { 0 };
9 static const constexpr A a_ = { };
10
11 template <B> struct X { };
12
13 typedef X<B{ }> XB;
14 typedef X<B{{A{ }}}> XB;
15 typedef X<B{{A{ 0 }}}> XB;
16 typedef X<B{{a_}}> XB;
17 typedef X<B{{a0}}> XB;
18 typedef X<B{{a_, A{ }}}> XB;
19 typedef X<B{{a_, A{ 0 }}}> XB;
20 typedef X<B{{a_, a_}}> XB;
21 typedef X<B{{a_, a0}}> XB;
22
23
24 struct C { constexpr C () = default; };
25 struct D { C c[2]; };
26
27 static const constexpr C c_ = { };
28
29 template <D> struct Y { };
30
31 typedef Y<D{ }> YD;
32 typedef Y<D{C { }}> YD;
33 typedef Y<D{{c_}}> YD;
34 typedef Y<D{C{ }, C{ }}> YD;
35 typedef Y<D{C{ }, c_}> YD;
36 typedef Y<D{{c_, c_}}> YD;