1  /* PR tree-optimization/46233 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O -fno-tree-dce" } */
       4  
       5  int
       6  foo ()
       7  {
       8    int i = 0;
       9    while (1)
      10      i += foo ();
      11  }