JIT

gh-141594: A free-threaded JIT #4372

Job	Run time
Interpreter (Debug)	9m 54s
Free-Threaded (Debug) (21)	14m 53s
aarch64-apple-darwin/clang (Debug)	10m 54s
x86_64-apple-darwin/clang (Release)	22m 1s
x86_64-apple-darwin/clang (Debug)	35m 40s
aarch64-apple-darwin/clang (Release)	9m 53s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 9s
x86_64-unknown-linux-gnu/gcc (Release)	6m 53s
aarch64-unknown-linux-gnu/gcc (Release)	5m 34s
JIT without optimizations (Debug) (21)	10m 13s
JIT with tail calling interpreter (21)	3m 13s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 40s
	2h 27m 57s

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