1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -msse2 -mno-avx -mfpmath=sse" } */
       3  
       4  #pragma pack(2)
       5  struct {
       6    int n;
       7  } a;
       8  extern void fn2 (float);
       9  void
      10  fn1 ()
      11  {
      12    fn2 (a.n);
      13  }