glibc/elf/tst-unique2mod2.c

#include <config.h>

asm (".data;"
     ".globl var\n"
     ".type var, %gnu_unique_object\n"
     ".size var, 4\n"
     "var:.zero 4\n"
     ".previous");
extern int var;

int
f (int *p)
{
  return &var != p || *p != 1;
}