JIT

gh-144145: Track nullness of properties in the Tier 2 JIT optimizer #5157

Job	Run time
Interpreter (Debug)	11m 5s
Free-Threaded (Debug) (21)	17m 0s
JIT without optimizations (Debug) (21)	12m 43s
x86_64-pc-windows-msvc/msvc (Release)	15m 28s
x86_64-apple-darwin/clang (Debug)	23m 44s
x86_64-unknown-linux-gnu/gcc (Release)	8m 36s
i686-pc-windows-msvc/msvc (Release)	14m 13s
JIT with tail calling interpreter (21)	4m 25s
aarch64-apple-darwin/clang (Debug)	12m 32s
i686-pc-windows-msvc/msvc (Debug)	26m 59s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 8s
x86_64-pc-windows-msvc/msvc (Debug)	25m 20s
aarch64-pc-windows-msvc/msvc (Debug)	24m 28s
aarch64-unknown-linux-gnu/gcc (Release)	9m 26s
aarch64-pc-windows-msvc/msvc (Release)	18m 53s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 25s
x86_64-apple-darwin/clang (Release)	30m 49s
aarch64-apple-darwin/clang (Release)	14m 7s
	4h 51m 21s

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