text: // Copyright (c) 2012 Ecma International.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  es5id: 15.10.7.1-1
  description: RegExp.prototype.source is a non-generic accessor property
  ---*/
  
  
  assert.throws(TypeError, function() {
      RegExp.prototype.source;
  });
  