1  /* { dg-do compile } */
       2  /* { dg-options "-O" } */
       3  /* { dg-final { scan-assembler "gs:" } } */
       4  
       5  #define uintptr_t __SIZE_TYPE__
       6  
       7  struct S { int a, b, c; };
       8  
       9  extern struct S s;
      10  
      11  int ct_state3 (void)
      12  {
      13    int r;
      14    r = *((int __seg_gs *) (uintptr_t) &s.c);
      15    return r;
      16  }