JIT

GH-145667: Merge `GET_ITER` and `GET_YIELD_FROM_ITER` (GH-146120) #5602

Job	Run time
Interpreter (Debug)	12m 27s
JIT without optimizations (Debug)	3m 40s
Free-Threaded (Debug)	3m 46s
JIT with tail calling interpreter	5m 23s
aarch64-apple-darwin/clang (Release)	10m 56s
x86_64-unknown-linux-gnu/gcc (Release)	9m 0s
aarch64-unknown-linux-gnu/gcc (Release)	7m 21s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 2s
x86_64-apple-darwin/clang (Release)	24m 56s
x86_64-pc-windows-msvc/msvc (Debug)	24m 3s
x86_64-pc-windows-msvc/msvc (Release)	14m 54s
aarch64-apple-darwin/clang (Debug)	12m 9s
x86_64-apple-darwin/clang (Debug)	51m 57s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 4s
aarch64-pc-windows-msvc/msvc (Debug)	24m 57s
i686-pc-windows-msvc/msvc (Debug)	28m 9s
i686-pc-windows-msvc/msvc (Release)	17m 48s
aarch64-pc-windows-msvc/msvc (Release)	18m 37s
	4h 53m 9s

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