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view gcc/testsuite/g++.dg/cpp0x/constexpr-union5.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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// PR c++/54922 // { dg-do compile { target c++11 } } // { dg-options "-pedantic" } #define SA(X) static_assert(X,#X) struct A { union { union { union { unsigned char i; int j; }; }; }; constexpr A() : i(42) {} }; constexpr A a; SA((a.i == 42)); struct B { struct { int h; struct { union { unsigned char i; int j; }; int k; }; // { dg-warning "anonymous struct" } }; // { dg-warning "anonymous struct" } int l; constexpr B(): h(1), i(2), k(3), l(4) {} }; constexpr B b; SA((b.h == 1 && b.i == 2 && b.k == 3 && b.l == 4));