JIT debugging not activated windows, using unmodified fib_debug example

- What are the steps to reproduce the issue?

1. Build fib_debug, windows or use version here : http://advance-software.com/misc/fib_debug.zip

2. Open using lldb from llvm 10.0 release, windows.

3. Step into the app until just prior to the fib run invocation.

4. Note no JIT info when "image list" command is run from lldb

https://pastebin.com/mTxufwp9

wasmtime from here : https://github.com/bytecodealliance/wasmtime/releases/tag/dev

on 9th June 2020. specific version unknown.

environment: windows 10, x64, visual studio 2019.