text: //// [genericCallWithObjectTypeArgsAndConstraints3.ts]
  // Generic call with constraints infering type parameter from object member properties
  
  class Base {
      x: string;
  }
  class Derived extends Base {
      y: string;
  }
  class Derived2 extends Base {
      z: string;
  }
  
  function f<T extends Base>(a: { x: T; y: T }) {
      var r: T;
      return r;
  }
  
  var r1 = f({ x: new Derived(), y: new Derived2() }); // error because neither is supertype of the other
  
  function f2<T extends Base, U extends { x: T; y: T }>(a: U) {
      var r: T;
      return r;
  }
  
  var r2 = f2({ x: new Derived(), y: new Derived2() }); // ok
  var r3 = f2({ x: new Derived(), y: new Derived2() }); // ok
  
  
  function f3<T extends Base>(y: (a: T) => T, x: T) {
      return y(null);
  }
  
  // all ok - second argument is processed before x is fixed
  var r4 = f3(x => x, new Base());
  var r5 = f3(x => x, new Derived());
  var r6 = f3(x => x, null);
  
  
  //// [genericCallWithObjectTypeArgsAndConstraints3.js]
  // Generic call with constraints infering type parameter from object member properties
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  var Base = (function () {
      function Base() {
      }
      return Base;
  }());
  var Derived = (function (_super) {
      __extends(Derived, _super);
      function Derived() {
          return _super.apply(this, arguments) || this;
      }
      return Derived;
  }(Base));
  var Derived2 = (function (_super) {
      __extends(Derived2, _super);
      function Derived2() {
          return _super.apply(this, arguments) || this;
      }
      return Derived2;
  }(Base));
  function f(a) {
      var r;
      return r;
  }
  var r1 = f({ x: new Derived(), y: new Derived2() }); // error because neither is supertype of the other
  function f2(a) {
      var r;
      return r;
  }
  var r2 = f2({ x: new Derived(), y: new Derived2() }); // ok
  var r3 = f2({ x: new Derived(), y: new Derived2() }); // ok
  function f3(y, x) {
      return y(null);
  }
  // all ok - second argument is processed before x is fixed
  var r4 = f3(function (x) { return x; }, new Base());
  var r5 = f3(function (x) { return x; }, new Derived());
  var r6 = f3(function (x) { return x; }, null);
  