michael@0: y = new Float32Array(11);
michael@0: x = [];
michael@0: 
michael@0: Object.defineProperty(x, 18, {
michael@0:     get: (function() {
michael@0:         y.length;
michael@0:     }),
michael@0: });
michael@0: this.toSource();
michael@0: 
michael@0: y = undefined;
michael@0: 
michael@0: for (var i = 0; i < 3; i++) {
michael@0:     try {
michael@0: 	x.toString();
michael@0: 	assertEq(0, 1);
michael@0:     } catch (e) {
michael@0: 	assertEq(e.message, "y is undefined");
michael@0:     }
michael@0: }