JIT

GH-132554: Fix tier2 `FOR_ITER` implementation and optimizations #3605

Job	Run time
Interpreter (Debug)	9m 52s
i686-pc-windows-msvc/msvc (Debug)	23m 57s
i686-pc-windows-msvc/msvc (Release)	14m 27s
x86_64-pc-windows-msvc/msvc (Debug)	6m 27s
x86_64-pc-windows-msvc/msvc (Release)	6m 27s
aarch64-pc-windows-msvc/msvc (Debug)	15m 6s
aarch64-pc-windows-msvc/msvc (Release)	12m 10s
x86_64-apple-darwin/clang (Debug)	16m 36s
x86_64-apple-darwin/clang (Release)	12m 4s
aarch64-apple-darwin/clang (Debug)	11m 50s
aarch64-apple-darwin/clang (Release)	10m 21s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 48s
x86_64-unknown-linux-gnu/gcc (Release)	6m 37s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 2s
aarch64-unknown-linux-gnu/gcc (Release)	6m 53s
	2h 51m 37s

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