[1.4>master] [MERGE #2225 @pleath] Don't attempt to create a deferred stub for a non-deferred function.
[1.4>master] [MERGE #2225 @pleath] Don't attempt to create a deferred stub for a non-deferred function.

Merge pull request #2225 from pleath:9871933

Works around a parser anomaly that appeared with re-deferral. I'll keep investigating the cause of the anomaly.

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