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| 2 | |
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| 3 | //===----------------------------------------------------------------------===// |
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| 4 | // |
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| 5 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 6 | // See https://llvm.org/LICENSE.txt for license information. |
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| 7 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |
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| 11 | // <unordered_set> |
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| 12 | |
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| 13 | // Check that std::unordered_set and its iterators can be instantiated with an incomplete |
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| 14 | // type. |
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| 15 | |
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| 16 | #include <unordered_set> |
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| 17 | |
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| 18 | #include "test_macros.h" |
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| 19 | |
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| 20 | template <class Tp> |
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| 21 | struct MyHash { |
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| 22 | MyHash() {} |
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| 23 | std::size_t operator()(Tp const&) const {return 42;} |
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| 24 | }; |
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| 25 | |
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| 26 | struct A { |
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| 27 | typedef std::unordered_set<A, MyHash<A> > Map; |
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| 28 | Map m; |
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| 29 | Map::iterator it; |
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| 30 | Map::const_iterator cit; |
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| 31 | Map::local_iterator lit; |
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| 32 | Map::const_local_iterator clit; |
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| 33 | }; |
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| 34 | |
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| 35 | inline bool operator==(A const& L, A const& R) { return &L == &R; } |
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| 36 | |
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| 37 | int main(int, char**) { |
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| 38 | A a; |
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| 39 | |
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| 40 | return 0; |
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| 41 | } |
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| 42 | |
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