text: //// [invalidReturnStatements.ts]
  // all the following should be error
  function fn1(): number {  }
  function fn2(): string { }
  function fn3(): boolean { }
  function fn4(): Date {  }
  function fn7(): any {  } // should be valid: any includes void
  
  interface I { id: number }
  class C implements I {
      id: number;
      dispose() {}
  }
  class D extends C {
      name: string;
  }
  function fn10(): D { return { id: 12 }; } 
  
  function fn11(): D { return new C(); }
  
  
  
  //// [invalidReturnStatements.js]
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = function (d, b) {
          extendStatics = Object.setPrototypeOf ||
              ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
              function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
          return extendStatics(d, b);
      };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  // all the following should be error
  function fn1() { }
  function fn2() { }
  function fn3() { }
  function fn4() { }
  function fn7() { } // should be valid: any includes void
  var C = /** @class */ (function () {
      function C() {
      }
      C.prototype.dispose = function () { };
      return C;
  }());
  var D = /** @class */ (function (_super) {
      __extends(D, _super);
      function D() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      return D;
  }(C));
  function fn10() { return { id: 12 }; }
  function fn11() { return new C(); }
  