1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-ivopts-details" } */
       3  
       4  int a[128];
       5  extern int b[];
       6  
       7  int bar (int *);
       8  
       9  int
      10  foo (int n)
      11  {
      12    int i;
      13  
      14    for (i = 0; i < n; i++)
      15      {
      16        unsigned char uc = (unsigned char)i;
      17        a[i] = i;
      18        b[uc] = 1;
      19      }
      20  
      21    bar (a);
      22    return 0;
      23  }
      24  
      25  /* Address of array reference to b is scev.  */
      26  /* { dg-final { scan-tree-dump-times "  Type:\\tREFERENCE ADDRESS\n" 2 "ivopts" } } */