//// [superCallArgsMustMatch.ts] class T5{ public foo: T; constructor(public bar: T) { } } class T6 extends T5{ constructor() { super("hi"); // Should error, base constructor has type T for first arg, which is fixed as number in the extends clause var x: number = this.foo; } } //// [superCallArgsMustMatch.js] var __extends = this.__extends || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; function __() { this.constructor = d; } __.prototype = b.prototype; d.prototype = new __(); }; var T5 = (function () { function T5(bar) { this.bar = bar; } return T5; })(); var T6 = (function (_super) { __extends(T6, _super); function T6() { _super.call(this, "hi"); var x = this.foo; } return T6; })(T5);