michael@0: for each(let a in [new Boolean(false)]) {}
michael@0: for (var b = 0; b < 13; ++b) {
michael@0:     if (b % 3 == 1) {
michael@0:         (function f(c) {
michael@0:             if (c <= 1) {
michael@0:                 return 1;
michael@0:             }
michael@0:             return f(c - 1) + f(c - 2);
michael@0:         })(3)
michael@0:     } else {
michael@0:         (function g(d, e) {;
michael@0:             return d.length == e ? 0 : d[e] + g(d, e + 1);
michael@0:         })([false, new Boolean(true), false], 0)
michael@0:     }
michael@0: }
michael@0: 
michael@0: /* Should not have crashed. */
michael@0: