JIT

gh-134584: Eliminate redundant refcounting from `_LOAD_ATTR_SLOT` (GH… #4829

Job	Run time
Interpreter (Debug)	10m 42s
JIT with tail calling interpreter (21)	4m 11s
Free-Threaded (Debug) (21)	16m 41s
JIT without optimizations (Debug) (21)	12m 24s
x86_64-pc-windows-msvc/msvc (Debug)	21m 45s
i686-pc-windows-msvc/msvc (Debug)	25m 20s
aarch64-pc-windows-msvc/msvc (Release)	16m 37s
aarch64-pc-windows-msvc/msvc (Debug)	23m 28s
i686-pc-windows-msvc/msvc (Release)	13m 22s
x86_64-unknown-linux-gnu/gcc (Release)	8m 8s
x86_64-apple-darwin/clang (Debug)	25m 10s
aarch64-apple-darwin/clang (Debug)	14m 59s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 15s
aarch64-apple-darwin/clang (Release)	10m 25s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 0s
aarch64-unknown-linux-gnu/gcc (Release)	6m 40s
x86_64-pc-windows-msvc/msvc (Release)	13m 9s
x86_64-apple-darwin/clang (Release)	21m 5s
	4h 23m 21s

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