1  /* Test diagnostics for duplicate field names involving anonymous
       2     struct or union as first field.  PR 46889.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "" } */
       5  
       6  struct foo {
       7    union {
       8      struct {
       9        unsigned long time_stamp;
      10      };
      11      struct {
      12        int *page;
      13      };
      14    };
      15    int *page; /* { dg-error "duplicate member" } */
      16  };