JIT

gh-144145: Track nullness of properties in the Tier 2 JIT optimizer #5156

Job	Run time
Interpreter (Debug)	10m 48s
Free-Threaded (Debug) (21)	17m 32s
JIT with tail calling interpreter (21)	4m 26s
JIT without optimizations (Debug) (21)	12m 36s
x86_64-unknown-linux-gnu/gcc (Release)	7m 55s
x86_64-apple-darwin/clang (Debug)	28m 19s
x86_64-apple-darwin/clang (Release)	27m 51s
i686-pc-windows-msvc/msvc (Debug)	22m 37s
aarch64-apple-darwin/clang (Debug)	15m 26s
aarch64-pc-windows-msvc/msvc (Debug)	22m 22s
i686-pc-windows-msvc/msvc (Release)	14m 57s
aarch64-apple-darwin/clang (Release)	11m 23s
x86_64-pc-windows-msvc/msvc (Debug)	25m 37s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 48s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 18s
aarch64-unknown-linux-gnu/gcc (Release)	6m 51s
aarch64-pc-windows-msvc/msvc (Release)	17m 40s
x86_64-pc-windows-msvc/msvc (Release)	14m 16s
	4h 41m 42s

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