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/* { dg-do compile } */
/* { dg-do run } */
 
#include <stdlib.h>
typedef struct
{
  int a;
  float b;
}str_t;
 
#ifdef STACK_SIZE
#if STACK_SIZE > 16000
#define N 1000
#else
#define N (STACK_SIZE/16)
#endif
#else
#define N 1000
#endif
 
typedef struct 
{
  str_t * sub_str;
  int c;
}str_with_substr_t;
 
int foo;
 
int
main (void)
{
  int i;
  str_with_substr_t A[N];
  str_t a[N];
 
  for (i=0; i < N; i++)
    A[i].sub_str = &(a[i]);
 
  for (i=0; i < N; i++)
    A[i].sub_str->a = 5;
 
  foo = A[56].sub_str->a;
 
  return 0;
}
 
/*--------------------------------------------------------------------------*/
/* { dg-final { scan-ipa-dump "is a field in the structure" "ipa_struct_reorg" } } */
/* { dg-final { cleanup-ipa-dump "*" } } */