michael@0: function testLambdaCtor() {
michael@0:     var a = [];
michael@0:     for (var x = 0; x < 9; ++x) {
michael@0:         var f = function(){};
michael@0:         a[a.length] = new f;
michael@0:     }
michael@0: 
michael@0:     assertEq([8].__proto__ !== a[7].__proto__, true);
michael@0: 
michael@0:     // Assert that the last f was properly constructed.
michael@0:     return a[8].__proto__ === f.prototype;
michael@0: }
michael@0: assertEq(testLambdaCtor(), true);