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js/src/jit-test/tests/asm.js/testBug893364.js@ac0c01689b40

js/src/jit-test/tests/asm.js/testBug893364.js

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 function m()

 {

     "use asm";

     function f()

     {

         var x = 0;

         var y = 0;

         x = (((0x77777777 - 0xcccccccc) | 0) % -1) | 0;

         y = (((0x7FFFFFFF + 0x7FFFFFFF) | 0) % -1) | 0;

         return (x+y)|0;

     }

     return f;

 }

 assertEq(m()(), 0)