ref: 0cc8cbda0c7ac4ea844f0c2559e4c4fb90b7efaa
dir: /tests/execute/0151-vararg.c/
struct foo {
	int i, j, k;
	char *p;
	float v;
};
int
f1(struct foo f, struct foo *p, int n, ...)
{
	if (f.i != p->i)
		return 0;
	return p->j + n;
}
int
main(void)
{
	struct foo f;
	f.i = f.j = 1;
	f1(f, &f, 2);
	f1(f, &f, 2, 1, f, &f);
	return 0;
}