JIT

gh-134584: Remove redundant refcount from _BINARY_OP_ADD_UNICODE (gh-… #4713

Job	Run time
Interpreter (Debug)	10m 51s
JIT without optimizations (Debug) (21)	11m 46s
Free-Threaded (Debug) (21)	16m 13s
JIT with tail calling interpreter (21)	4m 9s
i686-pc-windows-msvc/msvc (Debug)	24m 54s
i686-pc-windows-msvc/msvc (Release)	13m 1s
aarch64-apple-darwin/clang (Release)	12m 59s
x86_64-unknown-linux-gnu/gcc (Release)	8m 1s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 33s
aarch64-pc-windows-msvc/msvc (Debug)	23m 41s
x86_64-pc-windows-msvc/msvc (Release)	14m 6s
x86_64-pc-windows-msvc/msvc (Debug)	24m 44s
aarch64-pc-windows-msvc/msvc (Release)	17m 54s
x86_64-apple-darwin/clang (Release)	1m 57s
x86_64-apple-darwin/clang (Debug)	23m 56s
aarch64-apple-darwin/clang (Debug)	16m 11s
aarch64-unknown-linux-gnu/gcc (Release)	6m 39s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 59s
	4h 11m 34s

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