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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
//
//===----------------------------------------------------------------------===//
// <vector>
// vector<bool>
// static void swap(reference x, reference y) noexcept;
#include <vector>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
bool a[] = {false, true, false, true};
bool* an = a + sizeof(a)/sizeof(a[0]);
std::vector<bool> v(a, an);
std::vector<bool>::reference r1 = v[0];
std::vector<bool>::reference r2 = v[3];
#if TEST_STD_VER >= 11
static_assert((noexcept(v.swap(r1,r2))), "");
#endif
assert(!r1);
assert( r2);
v.swap(r1, r2);
assert( r1);
assert(!r2);
return 0;
}
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