function.name not used in stack trace

```
function Foo() {
return new Error();
}

Object.defineProperty(Foo, 'name', {
value: 'something_else'
});

var x = Foo();
console.log(x.stack);
```

Edge output:

```
Error
at Foo (eval code:2:5)
at eval code (eval code:9:1)
```

Expected:

```
Error
at something_else (eval code:2:5)
...
```