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99dee823 | 1 | // Copyright (C) 2011-2021 Free Software Foundation, Inc. |
0ecca7a6 PC |
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 | ||
18 | #include <vector> | |
19 | #include <numeric> | |
20 | ||
21 | class NaturalParameters | |
22 | { | |
23 | public: | |
24 | ||
25 | NaturalParameters() | |
26 | : m_data(2) | |
27 | { } | |
28 | ||
29 | std::vector<double>::const_iterator | |
30 | begin() const | |
31 | { return m_data.begin(); } | |
32 | ||
33 | std::vector<double>::const_iterator | |
34 | end() const | |
35 | { return m_data.begin(); } | |
36 | ||
37 | NaturalParameters& | |
38 | operator+=(const NaturalParameters&) | |
39 | { return *this; } | |
40 | ||
41 | private: | |
42 | std::vector<double> m_data; | |
43 | }; | |
44 | ||
45 | inline | |
46 | NaturalParameters | |
47 | operator+(const NaturalParameters& a, const NaturalParameters& b) | |
48 | { | |
49 | NaturalParameters tmp = a; | |
50 | return tmp += b; | |
51 | } | |
52 | ||
53 | // libstdc++/48750 | |
54 | void test01() | |
55 | { | |
56 | // Used to fail in parallel-mode with a segfault. | |
57 | for (std::size_t i = 0; i < 1000; ++i) | |
58 | { | |
59 | std::vector<NaturalParameters> ChildrenNP(1000); | |
60 | NaturalParameters init; | |
61 | NaturalParameters NP = std::accumulate(ChildrenNP.begin(), | |
62 | ChildrenNP.end(), init); | |
63 | } | |
64 | } | |
65 | ||
66 | int main() | |
67 | { | |
68 | test01(); | |
69 | return 0; | |
70 | } |