1  /* { dg-do link } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  int t;
       5  extern void link_error(void);
       6  int main (void)
       7  {
       8        struct { unsigned int a : 7; } s;
       9        s.a = t;
      10        if (s.a >> 8)
      11            link_error ();
      12        if (s.a >> 9)
      13            link_error ();
      14  }
      15  
      16  
      17  /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"  } } */