tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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S11.13.1_A7_T4.js (659B)

      1 // Copyright (C) 2015 André Bargull. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 info: Assignment Operator evaluates its operands from left to right.
      6 description: >
      7    The left-hand side expression is evaluated before the right-hand side.
      8    Left-hand side expression is MemberExpression: base[prop]. ToPropertyKey(prop)
      9    is only called once.
     10 ---*/
     11 
     12 var propKeyEvaluated = false;
     13 var base = {};
     14 var prop = {
     15  toString: function() {
     16    assert(!propKeyEvaluated);
     17    propKeyEvaluated = true;
     18    return "";
     19  }
     20 };
     21 var expr = function() {
     22  return 0;
     23 };
     24 
     25 base[prop] = expr();
     26 
     27 reportCompare(0, 0);