JIT

GH-132554: Fix tier2 `FOR_ITER` implementation and optimizations #3610

Job	Run time
Interpreter (Debug)	10m 53s
i686-pc-windows-msvc/msvc (Debug)	21m 55s
i686-pc-windows-msvc/msvc (Release)	14m 40s
x86_64-pc-windows-msvc/msvc (Debug)	24m 6s
x86_64-pc-windows-msvc/msvc (Release)	12m 4s
aarch64-pc-windows-msvc/msvc (Debug)	22m 34s
aarch64-pc-windows-msvc/msvc (Release)	19m 42s
x86_64-apple-darwin/clang (Debug)	15m 22s
x86_64-apple-darwin/clang (Release)	13m 33s
aarch64-apple-darwin/clang (Debug)	11m 26s
aarch64-apple-darwin/clang (Release)	10m 38s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 47s
x86_64-unknown-linux-gnu/gcc (Release)	8m 38s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 51s
aarch64-unknown-linux-gnu/gcc (Release)	7m 2s
	3h 32m 11s

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