Backed out changeset d63424e06b3e (bug 916446) for failing on b2g
Bug 916683 - SpiderMonkey: Tidy up misc preprocessor stuff. r=n.nethercote
Bug 916683 - SpiderMonkey: Delete a function which has been obsolete for over 3 years. r=n.nethercote
Bug 916683 - SpiderMonkey: Delete unused code. r=n.nethercote
Bug 916681 - Cleanup obsolete references to mjitalways and friends in the testsuite. r=luke
Bug 916681 - SpiderMonkey: Remove obsolete mjit counters. r=luke