tor-browser

The Tor Browser
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lgcl-nullish-eval-strict-strict.js (512B)

      1 // |reftest| error:SyntaxError
      2 'use strict';
      3 // Copyright (C) 2020 Rick Waldron. All rights reserved.
      4 // This code is governed by the BSD license found in the LICENSE file.
      5 
      6 /*---
      7 esid: sec-assignment-operators
      8 description: >
      9    Strict Mode - SyntaxError is thrown if the identifier eval appear
     10    as the LeftHandSideExpression of a Logical Assignment operator(??=)
     11 flags: [onlyStrict]
     12 negative:
     13  phase: parse
     14  type: SyntaxError
     15 features: [logical-assignment-operators]
     16 ---*/
     17 $DONOTEVALUATE();
     18 
     19 eval ??= 20;