1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  struct color { int i; }; /* { dg-message "note: originally defined here" } */
       5  static const struct color col;
       6  struct color * f(void)
       7  {
       8      return (struct color *) &col;
       9  }
      10  
      11  struct color { int j; }; /* { dg-error "redefinition of" } */