JIT

gh-134584: Eliminate redundant refcounting from `IS_OP` (GH-143171) #4799

Job	Run time
Interpreter (Debug)	10m 58s
JIT without optimizations (Debug) (21)	12m 36s
Free-Threaded (Debug) (21)	16m 40s
JIT with tail calling interpreter (21)	4m 8s
i686-pc-windows-msvc/msvc (Release)	13m 23s
aarch64-apple-darwin/clang (Release)	10m 0s
aarch64-pc-windows-msvc/msvc (Release)	18m 56s
aarch64-pc-windows-msvc/msvc (Debug)	24m 59s
x86_64-pc-windows-msvc/msvc (Release)	13m 45s
aarch64-apple-darwin/clang (Debug)	11m 42s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 13s
x86_64-apple-darwin/clang (Debug)	32m 28s
x86_64-pc-windows-msvc/msvc (Debug)	24m 22s
x86_64-apple-darwin/clang (Release)	23m 35s
i686-pc-windows-msvc/msvc (Debug)	25m 4s
x86_64-unknown-linux-gnu/gcc (Release)	8m 8s
aarch64-unknown-linux-gnu/gcc (Release)	6m 32s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 17s
	4h 37m 46s

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