gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr25737.c


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extern void abort (void);

struct delay_block {
  struct delay_block *succ;
};

static struct delay_block Timer_Queue;

struct delay_block* time_enqueue (struct delay_block *d)
{
  struct delay_block *q = Timer_Queue.succ; 
  d->succ =  (void *)0;
  return Timer_Queue.succ;
}

int main(void)
{
  Timer_Queue.succ = &Timer_Queue;
  if (time_enqueue (&Timer_Queue) != (void*)0)
    abort ();
  return 0;
}