Thu, 15 Jan 2015 15:59:08 +0100
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.
1 // -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 // Any copyright is dedicated to the Public Domain.
3 // http://creativecommons.org/licenses/publicdomain/
5 var x = 42;
6 function a() {
7 var x;
8 function b() {
9 x = 43;
10 // When jsparse.cpp's CompExprTransplanter transplants the
11 // comprehension expression 'x' into the scope of the 'for' loop,
12 // it must not bring the placeholder definition node for the
13 // assignment to x above along with it. If it does, x won't appear
14 // in b's lexdeps, we'll never find out that the assignment refers
15 // to a's x, and we'll generate an assignment to the global x.
16 (x for (x in []));
17 }
18 b();
19 }
20 a();
21 assertEq(x, 42);
23 reportCompare(true, true);