JIT

Get JIT working #641

Job	Run time
Interpreter (Debug)	9m 44s
i686-pc-windows-msvc/msvc (Release)	14m 43s
aarch64-pc-windows-msvc/msvc (Debug)	29m 29s
x86_64-unknown-linux-gnu/gcc (Release)	6m 46s
aarch64-apple-darwin/clang (Debug)	12m 1s
x86_64-apple-darwin/clang (Release)	11m 38s
i686-pc-windows-msvc/msvc (Debug)	25m 41s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 15s
aarch64-pc-windows-msvc/msvc (Release)	23m 22s
x86_64-pc-windows-msvc/msvc (Release)	14m 49s
x86_64-pc-windows-msvc/msvc (Debug)	24m 27s
aarch64-unknown-linux-gnu/gcc (Release)	5m 51s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 46s
aarch64-apple-darwin/clang (Release)	10m 21s
x86_64-apple-darwin/clang (Debug)	16m 25s
	3h 45m 18s

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