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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <array>
// template <class T, size_t N>
// bool operator==(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
// template <class T, size_t N>
// bool operator!=(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator<(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator>(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator<=(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator>=(const array<T,N>& x, const array<T,N>& y); // removed in C++20
#include <array>
#include "test_macros.h"
template <int>
struct NoCompare {};
#if TEST_STD_VER >= 14 && TEST_STD_VER <= 17
// expected-error@*:* 3 {{no matching function for call to object of type 'std::__less<void, void>'}}
#endif
int main(int, char**) {
{
typedef NoCompare<0> T;
typedef std::array<T, 3> C;
C c1 = {{}};
// expected-error@*:* 2 {{invalid operands to binary expression}}
TEST_IGNORE_NODISCARD(c1 == c1);
TEST_IGNORE_NODISCARD(c1 < c1);
}
{
typedef NoCompare<1> T;
typedef std::array<T, 3> C;
C c1 = {{}};
// expected-error@*:* 2 {{invalid operands to binary expression}}
TEST_IGNORE_NODISCARD(c1 != c1);
TEST_IGNORE_NODISCARD(c1 > c1);
}
{
typedef NoCompare<2> T;
typedef std::array<T, 0> C;
C c1 = {{}};
// expected-error@*:* 2 {{invalid operands to binary expression}}
TEST_IGNORE_NODISCARD(c1 == c1);
TEST_IGNORE_NODISCARD(c1 < c1);
}
return 0;
}
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