michael@0: if (!getBuildConfiguration().parallelJS)
michael@0:   quit(0);
michael@0: 
michael@0: try {
michael@0:     y = z = [];
michael@0:     y[1] = x
michael@0:     for (var e, x = [];; d) {}
michael@0: } catch (e) {}
michael@0: try {
michael@0:     Object.defineProperty(this, "y", {
michael@0:         get: function() {
michael@0:             z.filterPar(function() {})
michael@0:         }
michael@0:     })(1 instanceof 2)
michael@0: } catch (e) {}
michael@0: y
michael@0: verifyprebarriers()
michael@0: y
michael@0: verifyprebarriers()
michael@0: y