[MERGE #4620 @sigatrev] ARM64: fix in-proc jit memory leak
[MERGE #4620 @sigatrev] ARM64: fix in-proc jit memory leak

Merge pull request #4620 from sigatrev:arm64_inproc

arm32 has special handling for xdata, but arm64 handles it the same way as amd64.

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