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js/src/jit-test/tests/arrays/length-set-after-has-sparse.js@97036ab72558

js/src/jit-test/tests/arrays/length-set-after-has-sparse.js

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 var arr = [];

 Object.defineProperty(arr, 4, {

   configurable: true,

   enumerable: false,

   writable: false,

   value: undefined

 });

 for (var y = 0; y < 2; y++)

   arr.length = 0;