1  #include <stdio.h>
       2  
       3  int foo[1];
       4  int bar[2];
       5  
       6  extern int *foo_p (void);
       7  extern int *bar_p (void);
       8  
       9  int
      10  main ()
      11  {
      12    if (foo[0] == 0 && foo == foo_p () && bar[0] == -1 && bar == bar_p ())
      13      printf ("PASS\n");
      14    return 0;
      15  }