1 void abort(void);
2 void exit(int);
3 struct baz
4 {
5   char a[17];
6   char b[3];
7   unsigned int c;
8   unsigned int d;
9 };
10 
foo(struct baz * p,unsigned int c,unsigned int d)11 void foo(struct baz *p, unsigned int c, unsigned int d)
12 {
13   __builtin_memcpy (p->b, "abc", 3);
14   p->c = c;
15   p->d = d;
16 }
17 
bar(struct baz * p,unsigned int c,unsigned int d)18 void bar(struct baz *p, unsigned int c, unsigned int d)
19 {
20   ({ void *s = (p);
21      __builtin_memset (s, '\0', sizeof (struct baz));
22      s; });
23   __builtin_memcpy (p->a, "01234567890123456", 17);
24   __builtin_memcpy (p->b, "abc", 3);
25   p->c = c;
26   p->d = d;
27 }
28 
main()29 int main()
30 {
31   struct baz p;
32   foo(&p, 71, 18);
33   if (p.c != 71 || p.d != 18)
34     abort();
35   bar(&p, 59, 26);
36   if (p.c != 59 || p.d != 26)
37     abort();
38   exit(0);
39 }
40