Turn off overflow protection for various math functions am: cbf5e6915c am: 72b1fdbf49 am: a25eb35608 am: 3d58f94eec am: 1edbc699b5 am: c0118375e5
am: ba78beef56

Change-Id: I9c609d9a4032aca4806f3bf660722e98c7b7bd1b