1  /* { dg-do link } */
       2  /* { dg-options "-O0 -ffast-math" } */
       3  
       4  int main (void)
       5  {
       6    float x = 0.123456f;
       7  
       8    float r1 = __builtin_exp2f (x);
       9    float r2 = __builtin_log2f (x);
      10  }