src/third_party/mozjs-45/js/src/tests/test262/ch12/12.8/S12.8_A5_T3.js

// 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_T3.js
 * @description Checking if using internal loop label 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 LABEL_IN;
        LABEL_IN_2 : y++;

        function IN_DO_FUNC(){}
        
    } while(0);
    
    LABEL_ANOTHER_LOOP : do {
        ;
    } while(0);
    
    function OUT_FUNC(){}
    
})();