tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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head-let-bound-names-in-stmt.js (570B)

      1 // |reftest| error:SyntaxError
      2 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 description: The body may not re-declare variables declared in the head
      6 negative:
      7  phase: parse
      8  type: SyntaxError
      9 info: |
     10    It is a Syntax Error if any element of the BoundNames of ForDeclaration
     11    also occurs in the VarDeclaredNames of Statement.
     12 esid: sec-for-in-and-for-of-statements-static-semantics-early-errors
     13 es6id: 13.7.5
     14 ---*/
     15 
     16 $DONOTEVALUATE();
     17 
     18 for (let x in {}) {
     19  var x;
     20 }