#include #include extern void foo (void); extern void check_ptr_eq (void (*) (void), void (*) (void)); void new_foo (void) { } __asm__(".symver new_foo, foo@@VERS_2.0"); #if defined __powerpc64__ && defined _CALL_AIXDESC && !defined _CALL_LINUX __asm__(".symver .new_foo, .foo@@VERS_2.0"); #endif #if defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 4005 __attribute__ ((noinline, noclone)) #else __attribute__ ((noinline)) #endif int bar (void) { return (intptr_t) &foo == 0x12345678 ? 1 : 0; } int main(void) { bar (); check_ptr_eq (&foo, &new_foo); printf("PASS\n"); return 0; }