Backed out 2 changesets (bug 850600) for rc* failures on a CLOSED TREE.

Backed out changeset ce5ba3c8eb47 (bug 850600)
Backed out changeset 3224b22c0f29 (bug 850600)

--HG--
extra : amend_source : 380c01962d1129c629c31747d6255dedd52a84e3