text: //// [superPropertyInConstructorBeforeSuperCall.ts]
  class B {
      constructor(x?: string) {}
      x(): string { return ""; }
  }
  class C1 extends B {
      constructor() {
          super.x();
          super();
      }
  }
  class C2 extends B {
      constructor() {
          super(super.x());
      }
  }
  
  //// [superPropertyInConstructorBeforeSuperCall.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 (b.hasOwnProperty(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 __());
      };
  })();
  var B = /** @class */ (function () {
      function B(x) {
      }
      B.prototype.x = function () { return ""; };
      return B;
  }());
  var C1 = /** @class */ (function (_super) {
      __extends(C1, _super);
      function C1() {
          var _this = this;
          _super.prototype.x.call(_this);
          _this = _super.call(this) || this;
          return _this;
      }
      return C1;
  }(B));
  var C2 = /** @class */ (function (_super) {
      __extends(C2, _super);
      function C2() {
          var _this = _super.call(this, _super.prototype.x.call(_this)) || this;
          return _this;
      }
      return C2;
  }(B));
  