JIT

gh-134584: Eliminate redundant refcounting from `_LOAD_ATTR_INSTANCE_VALUE` #4642

Job	Run time
Interpreter (Debug)	10m 38s
Free-Threaded (Debug) (21)	15m 3s
JIT without optimizations (Debug) (21)	12m 15s
JIT with tail calling interpreter (21)	4m 3s
i686-pc-windows-msvc/msvc (Debug)	24m 39s
i686-pc-windows-msvc/msvc (Release)	13m 15s
aarch64-pc-windows-msvc/msvc (Debug)	24m 4s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 19s
aarch64-apple-darwin/clang (Debug)	13m 40s
aarch64-unknown-linux-gnu/gcc (Release)	6m 34s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 25s
x86_64-pc-windows-msvc/msvc (Debug)	24m 2s
x86_64-pc-windows-msvc/msvc (Release)	13m 27s
x86_64-unknown-linux-gnu/gcc (Release)	8m 1s
x86_64-apple-darwin/clang (Debug)	24m 50s
aarch64-apple-darwin/clang (Release)	11m 33s
x86_64-apple-darwin/clang (Release)	20m 41s
aarch64-pc-windows-msvc/msvc (Release)	20m 59s
	4h 28m 28s

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