JIT

GH-145668: Add FOR_ITER specialization for virtual iterators. Special… #6235

Job	Run time
Interpreter (Debug)	9m 25s
JIT with tail calling interpreter	5m 8s
Free-Threaded (Debug)	3m 42s
JIT without optimizations (Debug)	3m 43s
x86_64-apple-darwin/clang (Debug)	1h 0m 30s
aarch64-apple-darwin/clang (Debug)	14m 9s
x86_64-apple-darwin/clang (Release)	23m 18s
aarch64-unknown-linux-gnu/gcc (Release)	7m 9s
i686-pc-windows-msvc/msvc (Debug)	29m 33s
x86_64-pc-windows-msvc/msvc (Release)	15m 53s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 50s
x86_64-unknown-linux-gnu/gcc (Release)	8m 47s
aarch64-pc-windows-msvc/msvc (Debug)	27m 59s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 57s
aarch64-apple-darwin/clang (Release)	15m 2s
x86_64-pc-windows-msvc/msvc (Debug)	25m 36s
i686-pc-windows-msvc/msvc (Release)	15m 25s
aarch64-pc-windows-msvc/msvc (Release)	18m 5s
	5h 7m 11s

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