JIT

gh-134584: Eliminate redundant refcounting from _BINARY_OP_ADD_UNICODE #3718

Job	Run time
Interpreter (Debug)	9m 28s
i686-pc-windows-msvc/msvc (Debug)	22m 21s
x86_64-pc-windows-msvc/msvc (Debug)	22m 7s
i686-pc-windows-msvc/msvc (Release)	13m 30s
x86_64-pc-windows-msvc/msvc (Release)	15m 26s
aarch64-pc-windows-msvc/msvc (Release)	24s
x86_64-apple-darwin/clang (Release)	13m 24s
aarch64-pc-windows-msvc/msvc (Debug)	23m 51s
aarch64-apple-darwin/clang (Release)	8m 56s
x86_64-apple-darwin/clang (Debug)	15m 35s
aarch64-apple-darwin/clang (Debug)	9m 57s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 49s
x86_64-unknown-linux-gnu/gcc (Release)	6m 26s
aarch64-unknown-linux-gnu/gcc (Release)	6m 30s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 30s
	3h 6m 14s

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