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24 lines
525 B
24 lines
525 B
8 years ago
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/*
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* Copyright (c) 2017 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <utility>
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int swap_null_ok() {
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int a = 0;
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int *p = nullptr, *q = &a;
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std::swap(p, q);
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return *p;
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}
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int swap_null_bad() {
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int a = 0;
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int *p = nullptr, *q = &a;
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std::swap(p, q);
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return *q;
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}
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