The Tor Browser / file revision

 // Copyright 2009 the Sputnik authors.  All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * Identifier must be label in the label set of an enclosing (but not crossing function boundaries) IterationStatement

  *

  * @path ch12/12.8/S12.8_A5_T2.js

  * @description Checking if using function name as an Identifier appears to be invalid

  * @negative

  */

 (function(){

     LABEL_OUT : var x=0, y=0;

     LABEL_DO_LOOP : do {

         LABEL_IN : x++;

         if(x===10)

             return;

         break IN_DO_FUNC;

         LABEL_IN_2 : y++;

         function IN_DO_FUNC(){}

     } while(0);

     LABEL_ANOTHER_LOOP : do {

         ;

     } while(0);

     function OUT_FUNC(){}

 })();