[MERGE #2650 @meg-gupta] Disable float typespec of StElem, when it is off
[MERGE #2650 @meg-gupta] Disable float typespec of StElem, when it is off

Merge pull request #2650 from meg-gupta:disablestelemfloattypespec

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