JIT

GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. #6153

Job	Run time
Free-Threaded (Debug)	4m 0s
Interpreter (Debug)	13m 0s
aarch64-apple-darwin/clang (Debug)	17m 1s
x86_64-apple-darwin/clang (Debug)	44m 43s
i686-pc-windows-msvc/msvc (Release)	14m 44s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 31s
x86_64-pc-windows-msvc/msvc (Release)	15m 5s
i686-pc-windows-msvc/msvc (Debug)	30m 43s
x86_64-apple-darwin/clang (Release)	30m 53s
aarch64-apple-darwin/clang (Release)	14m 55s
x86_64-unknown-linux-gnu/gcc (Release)	9m 20s
aarch64-pc-windows-msvc/msvc (Release)	19m 51s
aarch64-pc-windows-msvc/msvc (Debug)	25m 56s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 13s
JIT with tail calling interpreter	4m 44s
x86_64-pc-windows-msvc/msvc (Debug)	25m 54s
JIT without optimizations (Debug)	3m 51s
aarch64-unknown-linux-gnu/gcc (Release)	7m 9s
	5h 3m 33s

Provide feedback