Fix for legacy test asserts
Fix for legacy test asserts

Addresses that fit in 32-bit can get constant folded into opeq instruction
with TyVar type. Handle this in the DBCheckPostLower asserts.

mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore