[1.2>master] [MERGE #874] Fix TVS for rgisterSaveSymsCount in GenerateBailout
[1.2>master] [MERGE #874] Fix TVS for rgisterSaveSymsCount in GenerateBailout

Merge pull request #874 from ThomsonTan:FixTVS
This is a dup change as legacy which Louis reviewed.

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