tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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var-env-lower-lex-catch-non-strict.js (979B)

      1 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-variablestatements-in-catch-blocks
      5 description: Re-declaration of catch parameter
      6 info: |
      7    [...]
      8 
      9    This modified behaviour also applies to var and function declarations
     10    introduced by direct evals contained within the Block of a Catch clause.
     11    This change is accomplished by modifying the algorithm of 18.2.1.3 as follows:
     12 
     13    Step 5.d.ii.2.a.i is replaced by:
     14 
     15    i. If thisEnvRec is not the Environment Record for a Catch clause, throw a
     16       SyntaxError exception.
     17 flags: [noStrict]
     18 ---*/
     19 
     20 try {
     21  throw null;
     22 } catch (err) {
     23  eval('function err() {}');
     24  eval('function* err() {}');
     25  eval('async function err() {}');
     26  eval('async function* err() {}');
     27 
     28  eval('var err;');
     29  eval('for (var err; false; ) {}');
     30  eval('for (var err in []) {}');
     31  eval('for (var err of []) {}');
     32 }
     33 
     34 reportCompare(0, 0);