JIT

gh-144005: Eliminate redundant refcounting in the JIT for BINARY_OP_EXTEND #5039

Job	Run time
Interpreter (Debug)	11m 7s
JIT without optimizations (Debug) (21)	12m 50s
JIT with tail calling interpreter (21)	4m 29s
Free-Threaded (Debug) (21)	16m 36s
x86_64-pc-windows-msvc/msvc (Release)	13m 56s
i686-pc-windows-msvc/msvc (Release)	14m 8s
x86_64-apple-darwin/clang (Release)	24m 31s
aarch64-apple-darwin/clang (Debug)	14m 13s
i686-pc-windows-msvc/msvc (Debug)	25m 38s
x86_64-apple-darwin/clang (Debug)	24m 23s
aarch64-pc-windows-msvc/msvc (Debug)	24m 14s
x86_64-unknown-linux-gnu/gcc (Release)	7m 47s
aarch64-apple-darwin/clang (Release)	10m 51s
aarch64-pc-windows-msvc/msvc (Release)	17m 46s
x86_64-pc-windows-msvc/msvc (Debug)	25m 34s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 40s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 15s
aarch64-unknown-linux-gnu/gcc (Release)	6m 34s
	4h 35m 32s

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