1  /* { dg-do compile { target { ! { x86_64-*-mingw* } } } } */
       2  /* { dg-options "-O2" } */
       3  /* { dg-additional-options "-mpreferred-stack-boundary=12" { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
       4  
       5  extern void bar (int*);
       6  
       7  char *p;
       8  
       9  int
      10  main ()
      11  {
      12    int q;
      13    p = __builtin_stack_save ();
      14    bar (&q);
      15    __builtin_stack_restore (p);
      16    bar (&q);
      17    return 0;
      18  }