JIT

gh-141594: A free-threaded JIT (Part 1) #4370

Job	Run time
Interpreter (Debug)	1m 51s
${{ matrix.target }} (${{ ((matrix.debug && 'Debug') \|\| 'Release') }})	1s
JIT without optimizations (Debug)	1s
JIT with tail calling interpreter	1s
Free-Threaded (Debug)	1s
	1m 55s

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