1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-guess-branch-probability" } */
       3  
       4  int n;
       5  
       6  void
       7  bar (void);
       8  
       9  __attribute__ ((noinline, returns_twice)) int
      10  zero (void)
      11  {
      12    return 0;
      13  }
      14  
      15  void
      16  foo (void)
      17  {
      18    int a = zero ();
      19  
      20    for (n = 0; n < 2; ++n)
      21      {
      22      }
      23  
      24    if (a)
      25      bar ();
      26  }