1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-loop-distribution" } */
       3  
       4  extern int A[];
       5  extern int B[];
       6  
       7  void f(int i)
       8  {
       9     while (i-- > 0) {
      10       A[i] = 0;
      11       B[i] = 0;
      12     }
      13  }