for (var i = (1 in []) in []);
for (var i = 1 in [] in []);
for (var i = (10 * 10 in []) in []);
for (var i = (10 + 10 in []) in []);
for (var i = 10 + (10 in []) in []);
for (var i = 10 + 10 in [] in []);
for (var i = (1 in []);;);
for ((1 in []);;);
for (1 * (1 in []);;);
for (1 * (1 + 1 in []);;);
for (1 * ((1 + 1) in []);;);
for (1 * (1 + (1 in []));;);