1  /* { dg-do compile } */
       2  /* { dg-options "-O3" } */
       3  /* { dg-additional-options "-mno-sse -mno-mmx" { target i?86-*-* x86_64-*-* } } */
       4  /* { dg-additional-options "-mno-altivec -mno-vsx" { target powerpc*-*-* } } */
       5  
       6  extern void fn2();
       7  struct {
       8      unsigned qp_num;
       9      unsigned starting_psn;
      10      void *private_data;
      11  } a;
      12  struct {
      13      unsigned id;
      14      unsigned qpn;
      15      unsigned psn;
      16  } b;
      17  void fn1() {
      18      a.qp_num = b.qpn;
      19      a.starting_psn = b.psn;
      20      fn2(b.id);
      21  }