michael@0: try {
michael@0:     (function () {
michael@0:         gczeal(2)()
michael@0:     })()
michael@0: } catch (e) {}
michael@0: (function () {
michael@0:     for (y in [/x/, Boolean, Boolean, 0, Boolean]) {
michael@0:         [Math.floor(this)].some(function () {})
michael@0:     }
michael@0: })()
michael@0: 
michael@0: /* Don't crash. */
michael@0: