1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  // Division is expensive
       5  long f(long a, long b) {
       6    if (__builtin_expect(b == 1, 1)) return a;
       7    return a / b;
       8  }
       9  
      10  /* { dg-final { scan-tree-dump-times "goto " 2 "optimized" } } */