JIT

gh-134584: Eliminate redundant refcounting from `UNPACK_SEQUENCE` family #4719

Job	Run time
Interpreter (Debug)	10m 53s
JIT without optimizations (Debug) (21)	12m 8s
Free-Threaded (Debug) (21)	16m 0s
JIT with tail calling interpreter (21)	4m 10s
i686-pc-windows-msvc/msvc (Debug)	25m 26s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 35s
x86_64-unknown-linux-gnu/gcc (Release)	8m 15s
aarch64-apple-darwin/clang (Debug)	15m 18s
i686-pc-windows-msvc/msvc (Release)	13m 28s
aarch64-pc-windows-msvc/msvc (Release)	19m 1s
x86_64-apple-darwin/clang (Release)	19m 35s
x86_64-pc-windows-msvc/msvc (Release)	13m 17s
aarch64-pc-windows-msvc/msvc (Debug)	24m 21s
x86_64-apple-darwin/clang (Debug)	22m 12s
aarch64-unknown-linux-gnu/gcc (Release)	6m 28s
x86_64-pc-windows-msvc/msvc (Debug)	21m 28s
aarch64-apple-darwin/clang (Release)	11m 19s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 20s
	4h 24m 14s

Provide feedback