1  /* PR tree-optimization/41643 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fno-tree-dce" } */
       4  
       5  struct S { int a; };
       6  
       7  int
       8  f (struct S *x)
       9  {
      10    int a = x->a;
      11    if (a)
      12      return f (x) + a;
      13    else
      14      return f (x);
      15  }