JIT

gh-145866: Implement `POP_ITER` as macro op using `POP_TOP` #5587

Job	Run time
aarch64-unknown-linux-gnu/gcc (Debug)	8m 56s
JIT without optimizations (Debug)	3m 32s
JIT with tail calling interpreter	4m 40s
x86_64-unknown-linux-gnu/gcc (Release)	8m 40s
x86_64-apple-darwin/clang (Release)	36m 38s
aarch64-unknown-linux-gnu/gcc (Release)	6m 58s
Free-Threaded (Debug)	3m 46s
i686-pc-windows-msvc/msvc (Debug)	28m 38s
x86_64-apple-darwin/clang (Debug)	24m 25s
aarch64-apple-darwin/clang (Release)	12m 22s
x86_64-pc-windows-msvc/msvc (Debug)	29m 31s
x86_64-pc-windows-msvc/msvc (Release)	15m 26s
Interpreter (Debug)	12m 7s
aarch64-pc-windows-msvc/msvc (Debug)	25m 5s
aarch64-apple-darwin/clang (Debug)	16m 8s
aarch64-pc-windows-msvc/msvc (Release)	17m 16s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 6s
i686-pc-windows-msvc/msvc (Release)	15m 4s
	4h 43m 18s

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