tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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via-params-rest.js (726B)

      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-functiondeclarationinstantiation
      5 es6id: 9.2.12
      6 description: >
      7  Arguments are "unmapped" when paramater list is non-simple due to "rest"
      8  parameter
      9 info: |
     10  [...]
     11  9. Let simpleParameterList be IsSimpleParameterList of formals.
     12  [...]
     13  22. If argumentsObjectNeeded is true, then
     14      a. If strict is true or if simpleParameterList is false, then
     15         i. Let ao be CreateUnmappedArgumentsObject(argumentsList).
     16      [...]
     17 ---*/
     18 
     19 var value;
     20 
     21 function rest(a, ...b) {
     22  arguments[0] = 2;
     23  value = a;
     24 }
     25 
     26 rest(1);
     27 
     28 assert.sameValue(value, 1);
     29 
     30 reportCompare(0, 0);