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111
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1 // { dg-do compile { target c++11 } }
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2 // { dg-require-gthreads "" }
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3
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131
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4 // Copyright (C) 2011-2018 Free Software Foundation, Inc.
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111
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5 //
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6 // This file is part of the GNU ISO C++ Library. This library is free
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7 // software; you can redistribute it and/or modify it under the
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8 // terms of the GNU General Public License as published by the
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9 // Free Software Foundation; either version 3, or (at your option)
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10 // any later version.
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11
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12 // This library is distributed in the hope that it will be useful,
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13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 // GNU General Public License for more details.
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16
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17 // You should have received a copy of the GNU General Public License along
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18 // with this library; see the file COPYING3. If not see
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19 // <http://www.gnu.org/licenses/>.
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20
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21 // Test that promise can be default-constructed or move-constructed
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22 // in a context that does uses-allocator construction.
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23
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24 #include <future>
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25 #include <memory>
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26 #include <tuple>
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27
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28 using std::promise;
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29 using std::allocator_arg;
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30 using std::allocator;
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31 using std::tuple;
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32
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33 typedef promise<int> p;
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34 typedef promise<int&> pr;
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35 typedef promise<void> pv;
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36 allocator<p> a;
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37
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38 tuple<p, pr, pv> t1{ allocator_arg, a };
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39 tuple<p, pr, pv> t2{ allocator_arg, a, p{}, pr{}, pv{} };
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