include rt;
include run;
include icon;
// an o3 caller must see a published replacement of its callee: a future direct
// o3-to-o3 call has to keep a callee generation guard, not bind the old entry.
o3 int target() { return 7; }
o3 int caller() { int s = 0; for (int i = 0; i < 3; i++) s += target(); return s; }
fn main() {
	let seven = run.tokens("7"), eight = run.tokens("8");
	rt.put_n(caller()); rt.put_c(' ');
	rt.put_n(icon.find_replace(target, seven, eight)); rt.put_c(' ');
	rt.put_n(caller()); rt.put_c(10);
	return 0;
}