[1.2>master] [MERGE #877] Apply loop nest fix to maintenance of jsArrayKills.
[1.2>master] [MERGE #877] Apply loop nest fix to maintenance of jsArrayKills.

Merge pull request #877 from pleath:killallfields

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