1/* { dg-do compile } */
2/* { dg-options "-O1 -fdump-tree-optimized" } */
3
4void link_error();
5
6
7struct State {
8    int p0, p1, p2;
9    inline State(){p0=0;p1=0;p2=0;}
10    inline State(const State &s) {
11	p0 = s.p0;
12	p1 = s.p1;
13	p2 = s.p2;
14    }
15
16    inline void operator =(const State &s) {
17	p0 = s.p0;
18	p1 = s.p1;
19	p2 = s.p2;
20    }
21
22    inline void step(void) {
23	p0 = p1+p2;
24	p1 = p0*p1+p2;
25	p2 = p0-p2;
26    }
27};
28
29
30inline void iterate_ok(State &inS1, State &inS2, unsigned int n)
31{
32    State s1 = inS1;
33    for (unsigned int i = 0; i < n; i++) {
34	s1.step();
35    }
36    inS1 = s1;
37}
38
39void temp()
40{
41  State s1;
42  s1.p0 = 0;
43  s1.p1 = 0;
44  s1.p2 = 0;
45  State s2;
46  s2.p0 = 0;
47  s2.p1 = 0;
48  s2.p2 = 0;
49  iterate_ok (s1, s2, 1);
50  if (s1.p0)
51   link_error();
52  if (s1.p0)
53   link_error();
54  if (s1.p0)
55   link_error();
56}
57
58/* We should have removed the casts from pointers to references and caused SRA to happen.  */
59
60/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
61/* { dg-final { cleanup-tree-dump "optimized" } } */
62