1  /* PR tree-optimization/108819 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O1 -fno-tree-ccp -fno-tree-forwprop" } */
       4  
       5  int a, b;
       6  
       7  int
       8  main ()
       9  {
      10    int d = 1;
      11    for (; b; b++)
      12      if (a < 1)
      13        while (d <= a && a <= 0UL)
      14  	{
      15  	  int *e = &d;
      16  	  *e = 0;
      17  	}
      18    return 0;
      19  }