Save OBJECTREF_TO_UNCHECKED_OBJECTREF and use auto.
Save OBJECTREF_TO_UNCHECKED_OBJECTREF and use auto.

On x86 OBJECTREF_TO_UNCHECKED_OBJECTREF expands to `((UINT_PTR)((*((_UNCHECKED_OBJECTREF*)&(fromAddress)))))`
where `*((_UNCHECKED_OBJECTREF*)` call contructor of `OBJECTREF` that call `Object->Validate`
that fails for `fromAddress` because it is not longer a valid address.

cshung/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,cshung/coreclr,krk/coreclr,cshung/coreclr,cshung/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,cshung/coreclr,krk/coreclr,poizan42/coreclr,poizan42/coreclr,krk/coreclr,poizan42/coreclr,krk/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,poizan42/coreclr,poizan42/coreclr,krk/coreclr,poizan42/coreclr,cshung/coreclr,krk/coreclr