1#include <stdio.h>
2
3extern int bar (void);
4
5int
6foo (void)
7{
8 return 42 + bar ();
9}
10
11static void
12__attribute__ ((destructor))
13fini (void)
14{
15 putchar (c: '3');
16}
17

source code of glibc/elf/order2mod4.c