JIT

gh-141504: Refactor policy object into a single opt_config #4998

Job	Run time
Interpreter (Debug)	54s
JIT with tail calling interpreter	0s
JIT without optimizations (Debug)	0s
${{ matrix.target }} (${{ ((matrix.debug && 'Debug') \|\| 'Release') }})	0s
Free-Threaded (Debug)	0s
	54s

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