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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
void link_error();
struct State {
int p0, p1, p2;
inline State(){p0=0;p1=0;p2=0;}
inline State(const State &s) {
p0 = s.p0;
p1 = s.p1;
p2 = s.p2;
}
inline void operator =(const State &s) {
p0 = s.p0;
p1 = s.p1;
p2 = s.p2;
}
inline void step(void) {
p0 = p1+p2;
p1 = p0*p1+p2;
p2 = p0-p2;
}
};
inline void iterate_ok(State &inS1, State &inS2, unsigned int n)
{
State s1 = inS1;
for (unsigned int i = 0; i < n; i++) {
s1.step();
}
inS1 = s1;
}
void temp()
{
State s1;
s1.p0 = 0;
s1.p1 = 0;
s1.p2 = 0;
State s2;
s2.p0 = 0;
s2.p1 = 0;
s2.p2 = 0;
iterate_ok (s1, s2, 1);
if (s1.p0)
link_error();
if (s1.p0)
link_error();
if (s1.p0)
link_error();
}
/* We should have removed the casts from pointers to references and caused SRA to happen. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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