1  /* { dg-do compile } */
       2  
       3  enum { E0 = 0, E1 = 1, E2 = 2 } e;
       4  
       5  int
       6  foo (void)
       7  {
       8    return __builtin_popcount ((int) e);
       9  }
      10  
      11  /* { dg-final { scan-assembler-not "__builtin_popcount" } } */