8048079: Persistent code store is broken after optimistic types merge
Reviewed-by: sundar, jlaskey, attila
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64
1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8,1,1,8