Backed out 4 changesets (bug 940708) for ASAN bustage

Backed out changeset 8b081bf3d16c (bug 940708)
Backed out changeset 8d1da29cee34 (bug 940708)
Backed out changeset aedcac877ab0 (bug 940708)
Backed out changeset d4aec392a165 (bug 940708)

--HG--
extra : rebase_source : dec5c491a2233dfe7fe2153559e01313d3583a33