1  /* { dg-do compile } */
       2  /* { dg-options "-fno-strict-overflow -O2 -fdump-tree-optimized" } */
       3  
       4  /* Dual of strict-overflow-5.c.  */
       5  
       6  /* We can only unroll when using strict overflow semantics.  */
       7  
       8  int foo (int i)
       9  {
      10    int index;
      11    int r=0;
      12   
      13    for (index = i; index <= i+4; index+=2) 
      14      r++;
      15   
      16    return r;
      17  }
      18  
      19  /* { dg-final { scan-tree-dump-times "r = 3" 0 "optimized" } } */