1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // UNSUPPORTED: libcpp-has-no-threads
10 // UNSUPPORTED: c++98, c++03
11 
12 // <thread>
13 
14 // class thread
15 
16 // thread& operator=(thread&& t);
17 
18 #include <thread>
19 #include <exception>
20 #include <cstdlib>
21 #include <cassert>
22 
23 class G
24 {
25     int alive_;
26 public:
27     static int n_alive;
28     static bool op_run;
29 
30     G() : alive_(1) {++n_alive;}
31     G(const G& g) : alive_(g.alive_) {++n_alive;}
32     ~G() {alive_ = 0; --n_alive;}
33 
34 
35 
36     void operator()(int i, double j)
37     {
38         assert(alive_ == 1);
39         assert(n_alive >= 1);
40         assert(i == 5);
41         assert(j == 5.5);
42         op_run = true;
43     }
44 };
45 
46 int G::n_alive = 0;
47 bool G::op_run = false;
48 
49 void f1()
50 {
51     std::_Exit(0);
52 }
53 
54 int main(int, char**)
55 {
56     std::set_terminate(f1);
57     {
58         G g;
59         std::thread t0(g, 5, 5.5);
60         std::thread t1;
61         t0 = std::move(t1);
62         assert(false);
63     }
64 
65   return 0;
66 }
67