js/src/jit-test/tests/debug/gc-09.js@ac0c01689b40 (annotated)
js/src/jit-test/tests/debug/gc-09.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.
| michael@0 | 1 | // Bug 717104 - Unreachable debuggee globals should not keep their debuggers |
| michael@0 | 2 | // alive. The loop is to defeat conservative stack scanning; if the same stack |
| michael@0 | 3 | // locations are used each time through the loop, at least three of the |
| michael@0 | 4 | // debuggers should be collected. |
| michael@0 | 5 | |
| michael@0 | 6 | for (var i = 0; i < 4; i++) { |
| michael@0 | 7 | var g = newGlobal(); |
| michael@0 | 8 | var dbg = new Debugger(g); |
| michael@0 | 9 | dbg.onDebuggerStatement = function () { throw "FAIL"; }; |
| michael@0 | 10 | dbg.o = makeFinalizeObserver(); |
| michael@0 | 11 | dbg.loop = g; // make a cycle of strong references with dbg and g |
| michael@0 | 12 | } |
| michael@0 | 13 | |
| michael@0 | 14 | gc(); |
| michael@0 | 15 | assertEq(finalizeCount() > 0, true); |
