JIT

gh-131798: JIT: Split `CALL_ISINSTANCE` into several uops #3439

Job	Run time
Interpreter (Debug)	10m 9s
i686-pc-windows-msvc/msvc (Debug)	21m 41s
i686-pc-windows-msvc/msvc (Release)	11m 58s
x86_64-pc-windows-msvc/msvc (Debug)	20m 38s
x86_64-pc-windows-msvc/msvc (Release)	12m 18s
aarch64-pc-windows-msvc/msvc (Debug)	21m 36s
aarch64-pc-windows-msvc/msvc (Release)	19m 20s
x86_64-apple-darwin/clang (Debug)	18m 23s
x86_64-apple-darwin/clang (Release)	13m 38s
aarch64-apple-darwin/clang (Debug)	10m 57s
aarch64-apple-darwin/clang (Release)	9m 30s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 49s
x86_64-unknown-linux-gnu/gcc (Release)	6m 26s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 10s
aarch64-unknown-linux-gnu/gcc (Release)	6m 20s
	3h 21m 53s

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