1  /* { dg-do compile */
       2  /* { dg-options "-O2" } */
       3  /* { dg-final { scan-assembler "movl\[ \t\]%gs:\\((%eax|%rax)\\), %eax" } } */
       4  
       5  extern __seg_gs int *call_me (void);
       6  
       7  int
       8  read_seg_gs (void)
       9  {
      10    return *call_me();
      11  }