JIT

gh-125038: CHECK_ITER instruction removed, use GET_ITER instead #5

Job	Run time
Interpreter (Debug)	6m 47s
Free-Threaded (Debug)	10m 10s
i686-pc-windows-msvc/msvc (Debug)	19m 36s
i686-pc-windows-msvc/msvc (Release)	21m 32s
x86_64-pc-windows-msvc/msvc (Debug)	17m 52s
x86_64-pc-windows-msvc/msvc (Release)	16m 37s
aarch64-pc-windows-msvc/msvc (Debug)	5m 3s
aarch64-pc-windows-msvc/msvc (Release)	6m 22s
x86_64-apple-darwin/clang (Debug)	12m 28s
x86_64-apple-darwin/clang (Release)	13m 53s
aarch64-apple-darwin/clang (Debug)	9m 14s
aarch64-apple-darwin/clang (Release)	14m 14s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 38s
x86_64-unknown-linux-gnu/gcc (Release)	18m 1s
x86_64-unknown-linux-gnu/clang (Debug)	7m 49s
x86_64-unknown-linux-gnu/clang (Release)	13m 42s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 13m 31s
aarch64-unknown-linux-gnu/gcc (Release)	36m 20s
aarch64-unknown-linux-gnu/clang (Debug)	1h 6m 58s
aarch64-unknown-linux-gnu/clang (Release)	37m 21s
	6h 55m 8s

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