Merge "Disable the x86 & x86-64 UnsafeCASObject intrinsic with heap poisoning." am: b1f10f51bf
am: 96680544d6

* commit '96680544d6a110f339fd857cd0030ad96c905dfc':
  Disable the x86 & x86-64 UnsafeCASObject intrinsic with heap poisoning.