// expect: 0 6 20 10 11 5 2 2 /0 6 21 10 11 3 1 2 /9 8 7 1 /
// spec 4.14.1: defer takes any single statement: if/else chains, loops, switch, unchecked and blocks
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(32); }
int f(int c) {
	int i = 0;
	{
		defer if (c) pn(1); else pn(2);
		defer if (c > 1) { pn(3); } else if (c) { pn(4); } else { pn(5); }
		defer while (i < 2) i++;
		defer for (int k = 0; k < 2; k++) pn(10 + k);
		defer switch (c) { case 0: pn(20); break; default: pn(21); }
		defer { pn(6); };
		pn(0);
	}
	return i;
}
fn main() { int c = 1; pn(f(0)); rt.put_c(10); pn(f(2)); rt.put_c(10); { defer if (c) { pn(1); } pn(9); defer unchecked { pn(7); } pn(8); } rt.put_c(10); return 0; }
// zc0: skip