JIT

gh-143732: add specialization for `FOR_ITER` #6262

Job	Run time
aarch64-apple-darwin/clang (Debug)	10m 39s
x86_64-apple-darwin/clang (Debug)	10m 31s
Interpreter (Debug)	10m 31s
x86_64-apple-darwin/clang (Release)	10m 32s
x86_64-unknown-linux-gnu/gcc (Release)	9m 3s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 15s
i686-pc-windows-msvc/msvc (Release)	10m 27s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 30s
aarch64-apple-darwin/clang (Release)	10m 32s
i686-pc-windows-msvc/msvc (Debug)	10m 22s
x86_64-pc-windows-msvc/msvc (Debug)	10m 22s
aarch64-unknown-linux-gnu/gcc (Release)	7m 1s
JIT without optimizations (Debug)	3m 53s
Free-Threaded (Debug)	3m 57s
JIT with tail calling interpreter	4m 0s
aarch64-pc-windows-msvc/msvc (Release)	10m 23s
aarch64-pc-windows-msvc/msvc (Debug)	10m 32s
x86_64-pc-windows-msvc/msvc (Release)	10m 21s
	2h 42m 51s

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