blob: 886176522f5cf7aae28b4bc2f38bdf5ed7a1b320 [file] [log] [blame]
// PR c++/94907
// { dg-do compile { target c++20 } }
namespace std { struct strong_ordering {
int _v;
constexpr strong_ordering (int v) :_v(v) {}
constexpr operator int (void) const { return _v; }
static const strong_ordering less;
static const strong_ordering equal;
static const strong_ordering greater;
};
constexpr strong_ordering strong_ordering::less = -1;
constexpr strong_ordering strong_ordering::equal = 0;
constexpr strong_ordering strong_ordering::greater = 1;
}
struct E;
struct D {
virtual std::strong_ordering operator<=>(const struct E&) const = 0;
};
struct E : D {
std::strong_ordering operator<=>(const E&) const override = default;
};