1  #include <config.h>
       2  
       3  asm (".data;"
       4       ".globl var\n"
       5       ".type var, %gnu_unique_object\n"
       6       ".size var, 4\n"
       7       "var:.zero 4\n"
       8       ".previous");
       9  extern int var;
      10  
      11  int
      12  f (int *p)
      13  {
      14    return &var != p || *p != 1;
      15  }