1  #include <stdio.h>
       2  #include <stdint.h>
       3  
       4  extern void foo (void);
       5  extern void check_ptr_eq (void (*) (void), void (*) (void));
       6  
       7  void
       8  new_foo (void)
       9  {
      10  }
      11  
      12  __asm__(".symver new_foo, foo@@VERS_2.0");
      13  #if defined __powerpc64__ && defined _CALL_AIXDESC && !defined _CALL_LINUX
      14  __asm__(".symver .new_foo, .foo@@VERS_2.0");
      15  #endif
      16  
      17  #if defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 4005
      18  __attribute__ ((noinline, noclone))
      19  #else
      20  __attribute__ ((noinline))
      21  #endif
      22  int
      23  bar (void)
      24  {
      25    return (intptr_t) &foo == 0x12345678 ? 1 : 0;
      26  }
      27  
      28  int
      29  main(void)
      30  {
      31    bar ();
      32    check_ptr_eq (&foo, &new_foo);
      33    printf("PASS\n");
      34    return 0;
      35  }