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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-fre-details -fdump-tree-optimized" } */
 
struct A {
  int i;
  int j;
  float x;
};
struct B {
  struct A a;
  int k;
};
 
int g;
 
int test0 (struct A *p, struct A *q)
{
  p->i = 0;
  q->j = -1;
  return p->i;
}
 
int test1 (struct A *p, struct B *q)
{
  p->i = 1;
  q->k = -1;
  return p->i;
}
 
int test2 (struct A *p, struct B *q)
{
  p->i = 2;
  q->a.i = -1;
  return p->i;
}
 
int test3 (struct A *p, struct B *q)
{
  p->i = 3;
  q->a.j = -1;
  return p->i;
}
 
int test4 (struct A *p)
{
  g = 4;
  p->i = -1;
  return g;
}
 
int test5 (struct A *p)
{
  p->i = 5;
  g = -1;
  return p->i;
}
 
int test6 (struct A *p, int *q)
{
  p->i = 6;
  *q = -1;
  return p->i;
}
 
int test7 (struct A *p, int *q)
{
  p->j = 7;
  *q = -1;
  return p->j;
}
 
int test8 (struct A *p, int *q)
{
  *q = 8;
  p->x = -1;
  return *q;
}
 
/* { dg-final { scan-tree-dump "with 0" "fre" } } */
/* { dg-final { scan-tree-dump "with 1" "fre" } } */
/* { dg-final { scan-tree-dump "with 3" "fre" } } */
/* { dg-final { scan-tree-dump "with 4" "fre" } } */
/* { dg-final { scan-tree-dump "with 5" "fre" } } */
/* { dg-final { scan-tree-dump "with 8" "fre" } } */
/* { dg-final { scan-tree-dump-not "return 2;" "optimized" } } */
/* { dg-final { scan-tree-dump-not "return 6;" "optimized" } } */
/* { dg-final { scan-tree-dump-not "return 7;" "optimized" } } */
/* { dg-final { scan-tree-dump-not "return -1;" "optimized" } } */
/* { dg-final { cleanup-tree-dump "fre" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */