| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03 |
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| 10 | |
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| 11 | // <unordered_map> |
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| 12 | |
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| 13 | // void swap(unordered_map& c) |
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| 14 | // noexcept(allocator_traits<Allocator>::is_always_equal::value && |
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| 15 | // noexcept(swap(declval<Hash&>(), declval<Hash&>())) && |
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| 16 | // noexcept(swap(declval<Pred&>(), declval<Pred&>()))); |
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| 17 | |
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| 18 | // Validate whether the operation properly guards against ADL-hijacking operator& |
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| 19 | |
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| 20 | #include <unordered_map> |
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| 21 | |
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| 22 | #include "test_macros.h" |
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| 23 | #include "operator_hijacker.h" |
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| 24 | |
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| 25 | void test() { |
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| 26 | std::unordered_map<operator_hijacker, operator_hijacker> m1; |
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| 27 | std::unordered_map<operator_hijacker, operator_hijacker> m2; |
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| 28 | std::swap(m1, m2); |
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| 29 | } |
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| 30 | |
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