JIT

gh-131798: Add `_IS_NONE` to the JIT optimizer #6047

Job	Run time
aarch64-unknown-linux-gnu/gcc (Release)	7m 15s
Free-Threaded (Debug)	3m 55s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 49s
Interpreter (Debug)	11m 35s
x86_64-unknown-linux-gnu/gcc (Release)	8m 30s
JIT with tail calling interpreter	3m 54s
JIT without optimizations (Debug)	3m 19s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 58s
i686-pc-windows-msvc/msvc (Debug)	30m 51s
aarch64-apple-darwin/clang (Debug)	13m 20s
x86_64-pc-windows-msvc/msvc (Debug)	27m 11s
x86_64-apple-darwin/clang (Debug)	37m 27s
x86_64-apple-darwin/clang (Release)	25m 43s
aarch64-apple-darwin/clang (Release)	11m 15s
aarch64-pc-windows-msvc/msvc (Debug)	24m 36s
aarch64-pc-windows-msvc/msvc (Release)	20m 3s
i686-pc-windows-msvc/msvc (Release)	13m 25s
x86_64-pc-windows-msvc/msvc (Release)	14m 56s
	4h 39m 2s

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