JIT

gh-144145: Track nullness of properties in the Tier 2 JIT optimizer #5089

Job	Run time
Interpreter (Debug)	11m 3s
JIT without optimizations (Debug) (21)	13m 46s
JIT with tail calling interpreter (21)	4m 29s
Free-Threaded (Debug) (21)	32m 7s
x86_64-pc-windows-msvc/msvc (Debug)	22m 43s
x86_64-pc-windows-msvc/msvc (Release)	14m 27s
i686-pc-windows-msvc/msvc (Release)	14m 19s
i686-pc-windows-msvc/msvc (Debug)	25m 34s
aarch64-pc-windows-msvc/msvc (Release)	17m 26s
aarch64-pc-windows-msvc/msvc (Debug)	23m 30s
aarch64-apple-darwin/clang (Release)	12m 31s
x86_64-unknown-linux-gnu/gcc (Release)	8m 30s
x86_64-apple-darwin/clang (Debug)	28m 39s
x86_64-apple-darwin/clang (Release)	29m 29s
aarch64-apple-darwin/clang (Debug)	12m 36s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 39s
aarch64-unknown-linux-gnu/gcc (Release)	6m 51s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 21s
	4h 58m 0s

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