[MERGE #4232 @sigatrev] ARM64: fix epilog label
[MERGE #4232 @sigatrev] ARM64: fix epilog label

Merge pull request #4232 from sigatrev:epilogLabel

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