text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  info: First expression is evaluated first, and then second expression
  es5id: 11.9.4_A2.4_T3
  description: Checking with undeclarated variables
  ---*/
  
  //CHECK#1
  try {
    x === (x = 1);
    $ERROR('#1.1: x === (x = 1) throw ReferenceError. Actual: ' + (x === (x = 1)));  
  }
  catch (e) {
    if ((e instanceof ReferenceError) !== true) {
      $ERROR('#1.2: x === (x = 1) throw ReferenceError. Actual: ' + (e));  
    }
  }
  
  //CHECK#2
  if (!((y = 1) === y)) {
    $ERROR('#2: (y = 1) === y');
  }
  