1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-loop-distribution -fno-tree-scev-cprop" } */
       3  
       4  extern void bar(int);
       5  
       6  void
       7  foo (int i, int n)
       8  {
       9    int a[30];
      10    int b[30];
      11    for (; i < n; i++)
      12      a[i] = b[i] = 0;
      13  
      14    while (1)
      15      if (b[0])
      16        bar (a[i - 1]);
      17  }