//// [m7Bugs.ts] // scenario 1 interface ISomething { something: number; } var s: ISomething = ({ }); // scenario 2 interface A { x: string; } interface B extends A { } var x: B = { }; class C1 { public x: string; } class C2 extends C1 {} var y1: C1 = new C2(); var y2: C1 = new C2(); var y3: C1 = {}; //// [m7Bugs.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 s = ({}); var x = {}; var C1 = (function () { function C1() { } return C1; })(); var C2 = (function (_super) { __extends(C2, _super); function C2() { _super.apply(this, arguments); } return C2; })(C1); var y1 = new C2(); var y2 = new C2(); var y3 = {};