Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
michael@0 | 2 | /* |
michael@0 | 3 | * Any copyright is dedicated to the Public Domain. |
michael@0 | 4 | * http://creativecommons.org/licenses/publicdomain/ |
michael@0 | 5 | */ |
michael@0 | 6 | |
michael@0 | 7 | function f(s) { |
michael@0 | 8 | eval(s); |
michael@0 | 9 | return function(a) { |
michael@0 | 10 | with({}) {}; // repel JägerMonkey |
michael@0 | 11 | eval(a); |
michael@0 | 12 | return b; |
michael@0 | 13 | }; |
michael@0 | 14 | } |
michael@0 | 15 | |
michael@0 | 16 | var b = 1; |
michael@0 | 17 | var g1 = f(""); |
michael@0 | 18 | var g2 = f("var b = 2;"); |
michael@0 | 19 | |
michael@0 | 20 | /* Call the lambda once, caching a reference to the global b. */ |
michael@0 | 21 | g1(''); |
michael@0 | 22 | |
michael@0 | 23 | /* |
michael@0 | 24 | * If this call sees the above cache entry, then it will erroneously use |
michael@0 | 25 | * the global b. |
michael@0 | 26 | */ |
michael@0 | 27 | assertEq(g2(''), 2); |
michael@0 | 28 | |
michael@0 | 29 | reportCompare(true, true); |