Bug 883472 - Keep pre-barrier state from interfering with minor collection; r=billm
Bug 844882 - Part 5: jit-tests for self-hosted classes. (r=nmatsakis)
Bug 879743 - Fake audio should be sent at the same rate as fake video r=jesup
Bug 868919 - Confirm that the child process has received fd handles on OSX before releasing them. r=bent
Bug 756601 - Enable OMTC by default on OSX 10.7 and 10.8. r=roc
Backed out 7 changesets (bug 883646) for reftest-ipc failures.

Backed out changeset 2272804a8e71 (bug 883646)
Backed out changeset e39d3bdf847a (bug 883646)
Backed out changeset bf46fc332efe (bug 883646)
Backed out changeset 6bb558c3136f (bug 883646)
Backed out changeset d7d5d16e27e0 (bug 883646)
Backed out changeset 14c73096a132 (bug 883646)
Backed out changeset 89f6185a271b (bug 883646)