JIT

gh-143732: add specialization for `FOR_ITER` #6263

Job	Run time
Interpreter (Debug)	12m 33s
JIT with tail calling interpreter	4m 48s
Free-Threaded (Debug)	3m 51s
JIT without optimizations (Debug)	3m 50s
aarch64-apple-darwin/clang (Release)	12m 24s
x86_64-apple-darwin/clang (Debug)	32m 37s
aarch64-apple-darwin/clang (Debug)	13m 15s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 56s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 9s
x86_64-apple-darwin/clang (Release)	36m 1s
x86_64-unknown-linux-gnu/gcc (Release)	8m 53s
i686-pc-windows-msvc/msvc (Debug)	24m 44s
aarch64-unknown-linux-gnu/gcc (Release)	6m 52s
aarch64-pc-windows-msvc/msvc (Debug)	25m 50s
x86_64-pc-windows-msvc/msvc (Release)	15m 15s
i686-pc-windows-msvc/msvc (Release)	16m 10s
aarch64-pc-windows-msvc/msvc (Release)	20m 42s
x86_64-pc-windows-msvc/msvc (Debug)	25m 8s
	4h 45m 58s

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