mirror of
https://github.com/llvm-mirror/libcxx.git
synced 2025-10-23 01:18:52 +08:00
6cb35ede81
Summary: This patch fixes llvm.org/PR35491 and LWG2157 (https://cplusplus.github.io/LWG/issue2157) The fix attempts to maintain ABI compatibility by replacing the array with a instance of `aligned_storage`. Reviewers: mclow.lists, EricWF Reviewed By: EricWF Subscribers: lichray, cfe-commits Differential Revision: https://reviews.llvm.org/D41223 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@324526 91177308-0d34-0410-b5e6-96231b3b80d8
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <array>
|
|
|
|
// bool operator==(array<T, N> const&, array<T, N> const&);
|
|
// bool operator!=(array<T, N> const&, array<T, N> const&);
|
|
// bool operator<(array<T, N> const&, array<T, N> const&);
|
|
// bool operator<=(array<T, N> const&, array<T, N> const&);
|
|
// bool operator>(array<T, N> const&, array<T, N> const&);
|
|
// bool operator>=(array<T, N> const&, array<T, N> const&);
|
|
|
|
|
|
#include <array>
|
|
#include <vector>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
// std::array is explicitly allowed to be initialized with A a = { init-list };.
|
|
// Disable the missing braces warning for this reason.
|
|
#include "disable_missing_braces_warning.h"
|
|
|
|
template <class Array>
|
|
void test_compare(const Array& LHS, const Array& RHS) {
|
|
typedef std::vector<typename Array::value_type> Vector;
|
|
const Vector LHSV(LHS.begin(), LHS.end());
|
|
const Vector RHSV(RHS.begin(), RHS.end());
|
|
assert((LHS == RHS) == (LHSV == RHSV));
|
|
assert((LHS != RHS) == (LHSV != RHSV));
|
|
assert((LHS < RHS) == (LHSV < RHSV));
|
|
assert((LHS <= RHS) == (LHSV <= RHSV));
|
|
assert((LHS > RHS) == (LHSV > RHSV));
|
|
assert((LHS >= RHS) == (LHSV >= RHSV));
|
|
}
|
|
|
|
template <int Dummy> struct NoCompare {};
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef NoCompare<0> T;
|
|
typedef std::array<T, 3> C;
|
|
C c1 = {{}};
|
|
// expected-error@algorithm:* 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@algorithm:* 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@algorithm:* 2 {{invalid operands to binary expression}}
|
|
TEST_IGNORE_NODISCARD (c1 == c1);
|
|
TEST_IGNORE_NODISCARD (c1 < c1);
|
|
}
|
|
}
|