this.ts

compiled_with_ts2_0.js

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var A = (function () {
    function A(cb) {
        this.cb = cb;
    }
    return A;
}());
var Greeter = (function (_super) {
    __extends(Greeter, _super);
    function Greeter() {
        var _this = this;
        // ^ there should be `var _this = this;`
        _super.call(this, function () { _this; });
    }
    return Greeter;
}(A));

compiled_with_ts2_1.js

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var A = (function () {
    function A(cb) {
        this.cb = cb;
    }
    return A;
}());
var Greeter = (function (_super) {
    __extends(Greeter, _super);
    function Greeter() {
        return
        // ^ there should be `var _this = this;`
        _super.call(this, function () { _this; }) || this;
    }
    return Greeter;
}(A));

this.ts

class A {
    constructor(protected cb: () => void) { }
}

class Greeter extends A {
    constructor() {
        // ^ there should be `var _this = this;`
        super(() => { this })
    }
}