// expect: 2/1/
// spec 4.1.6: a local may shadow a local of an outer block
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(10); }
fn main() {
	int a = 1;
	{ int a = 2; pn(a); }
	pn(a);
	return 0;
}