Backed out changeset 3762c3e540cd (bug 981894) for bustage.
Bug 1014402 - irregexp (ARM): Convert patched code offsets to their actual offset after assembly. r=bhackett
Bug 1007107 - IonMonkey: Fix bug in branchTestMagicValue on X64, ARM and MIPS. r=nbp
Bug 1007107 - IonMonkey: Update branchTestMagicValue on x86 to match other architectures. r=nbp