1  /* PR optimization/10171 */
       2  /* Bug: unroll_loop misoptimized the function so that we got
       3     0 iterations of the loop rather than the correct 1.  */
       4  /* { dg-do run } */
       5  
       6  extern void abort (void);
       7  extern void exit (int);
       8  
       9  __inline__ int tag() { return 0; }
      10  
      11  void f ();
      12  
      13  int main() {
      14    int i;
      15    for (i = 0; i < (tag() ? 2 : 1); i++)
      16      f();
      17    abort ();
      18  }
      19  
      20  void f ()
      21  {
      22    exit (0);
      23  }