JIT

gh-143732: add specialization for `FOR_ITER` #6422

Job	Run time
Interpreter (Debug)	13m 45s
JIT without optimizations (Debug)	3m 53s
Free-Threaded (Debug)	3m 26s
JIT with tail calling interpreter	4m 20s
x86_64-apple-darwin/clang (Debug)	40m 16s
aarch64-unknown-linux-gnu/gcc (Release)	6m 33s
x86_64-apple-darwin/clang (Release)	24m 31s
aarch64-apple-darwin/clang (Release)	14m 2s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 31s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 24s
x86_64-unknown-linux-gnu/gcc (Release)	8m 45s
aarch64-apple-darwin/clang (Debug)	14m 34s
i686-pc-windows-msvc/msvc (Debug)	29m 47s
i686-pc-windows-msvc/msvc (Release)	13m 47s
x86_64-pc-windows-msvc/msvc (Release)	15m 17s
aarch64-pc-windows-msvc/msvc (Release)	20m 48s
x86_64-pc-windows-msvc/msvc (Debug)	30m 38s
aarch64-pc-windows-msvc/msvc (Debug)	25m 59s
i686-pc-windows-msvc/msvc (Debug)	22m 15s
x86_64-apple-darwin/clang (Debug)	40m 16s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 24s
aarch64-unknown-linux-gnu/gcc (Release)	6m 33s
x86_64-pc-windows-msvc/msvc (Debug)	30m 38s
aarch64-apple-darwin/clang (Release)	14m 2s
x86_64-pc-windows-msvc/msvc (Release)	15m 17s
i686-pc-windows-msvc/msvc (Release)	13m 47s
JIT without optimizations (Debug)	3m 53s
JIT with tail calling interpreter	4m 20s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 31s
aarch64-pc-windows-msvc/msvc (Release)	20m 48s
aarch64-pc-windows-msvc/msvc (Debug)	25m 59s
x86_64-unknown-linux-gnu/gcc (Release)	8m 45s
aarch64-apple-darwin/clang (Debug)	14m 34s
Free-Threaded (Debug)	3m 26s
Interpreter (Debug)	13m 45s
x86_64-apple-darwin/clang (Release)	24m 31s
	9h 39m 0s

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