1*404b540aSrobert // { dg-do run }
2*404b540aSrobert 
3*404b540aSrobert #include <omp.h>
4*404b540aSrobert #include <assert.h>
5*404b540aSrobert 
6*404b540aSrobert struct B
7*404b540aSrobert {
8*404b540aSrobert   static int count;
9*404b540aSrobert   static B *expected;
10*404b540aSrobert 
11*404b540aSrobert   B& operator=(const B &);
12*404b540aSrobert };
13*404b540aSrobert 
14*404b540aSrobert int B::count;
15*404b540aSrobert B * B::expected;
16*404b540aSrobert 
17*404b540aSrobert B& B::operator= (const B &b)
18*404b540aSrobert {
19*404b540aSrobert   assert (&b == expected);
20*404b540aSrobert   assert (this != expected);
21*404b540aSrobert   #pragma omp atomic
22*404b540aSrobert     count++;
23*404b540aSrobert   return *this;
24*404b540aSrobert }
25*404b540aSrobert 
26*404b540aSrobert static int nthreads;
27*404b540aSrobert 
foo()28*404b540aSrobert void foo()
29*404b540aSrobert {
30*404b540aSrobert   #pragma omp parallel
31*404b540aSrobert     {
32*404b540aSrobert       B b;
33*404b540aSrobert       #pragma omp single copyprivate(b)
34*404b540aSrobert 	{
35*404b540aSrobert 	  nthreads = omp_get_num_threads ();
36*404b540aSrobert 	  B::expected = &b;
37*404b540aSrobert 	}
38*404b540aSrobert     }
39*404b540aSrobert }
40*404b540aSrobert 
main()41*404b540aSrobert int main()
42*404b540aSrobert {
43*404b540aSrobert   omp_set_dynamic (0);
44*404b540aSrobert   omp_set_num_threads (4);
45*404b540aSrobert   foo();
46*404b540aSrobert 
47*404b540aSrobert   assert (B::count == nthreads-1);
48*404b540aSrobert 
49*404b540aSrobert   return 0;
50*404b540aSrobert }
51