BackwardsGraph needs to consider back edges as the backward's root successor
[WebKit-https.git] / JSTests / es6 / Array_is_subclassable_Array.prototype.map.js
1 function test() {
2
3 class C extends Array {}
4 var c = new C();
5 return c.map(Boolean) instanceof C;
6       
7 }
8
9 if (!test())
10     throw new Error("Test failed");
11