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85ec4feb | 1 | // Copyright (C) 2016-2018 Free Software Foundation, Inc. |
d7c1581c JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
52066eae | 18 | // { dg-do compile { target c++11 } } |
d7c1581c JW |
19 | |
20 | // PR libstdc++/69293 | |
21 | ||
22 | #include <tuple> | |
23 | #include <memory> | |
24 | ||
25 | using std::allocator; | |
26 | using std::allocator_arg_t; | |
27 | using std::uses_allocator; | |
28 | using std::tuple; | |
29 | using std::is_constructible; | |
30 | ||
31 | struct X | |
32 | { | |
33 | using allocator_type = allocator<int>; | |
34 | }; | |
35 | ||
36 | using alloc_type = X::allocator_type; | |
37 | ||
38 | static_assert(uses_allocator<X, alloc_type>{}, ""); | |
39 | static_assert(!is_constructible<X, allocator_arg_t, alloc_type>{}, ""); | |
40 | static_assert(!is_constructible<X, alloc_type>{}, ""); | |
41 | ||
42 | void | |
43 | test01() | |
44 | { | |
45 | alloc_type a; | |
46 | std::tuple<X> t(std::allocator_arg, a); // this is required to be ill-formed | |
e1389417 | 47 | // { dg-error "static assertion failed" "" { target *-*-* } 96 } |
d7c1581c | 48 | } |