JIT

gh-141594: A free-threaded JIT #4366

Job	Run time
Interpreter (Debug)	9m 44s
Free-Threaded (Debug) (21)	13m 41s
JIT without optimizations (Debug) (21)	11m 4s
x86_64-apple-darwin/clang (Release)	14m 10s
x86_64-apple-darwin/clang (Debug)	14m 11s
JIT with tail calling interpreter (21)	3m 7s
aarch64-apple-darwin/clang (Release)	10m 35s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 44s
x86_64-unknown-linux-gnu/gcc (Release)	6m 25s
aarch64-apple-darwin/clang (Debug)	11m 0s
aarch64-unknown-linux-gnu/gcc (Debug)	6m 36s
aarch64-unknown-linux-gnu/gcc (Release)	6m 39s
	1h 57m 56s

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