1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  typedef __seg_gs struct foo_s {
       5    int a[20];
       6  } foo_t;
       7  
       8  int sum(void)
       9  {
      10    const foo_t *p = (const foo_t *)0x1234;
      11    int i, total=0;
      12    for (i=0; i<20; i++)
      13      total += p->a[i];
      14    return total;
      15  }
      16  
      17  /* { dg-final { scan-assembler "add*.\[ \t\]%gs:" } } */