JIT

gh-144145: Track nullness of properties in the Tier 2 JIT optimizer #5162

Job	Run time
Interpreter (Debug)	10m 58s
Free-Threaded (Debug) (21)	17m 2s
JIT without optimizations (Debug) (21)	13m 7s
i686-pc-windows-msvc/msvc (Release)	14m 39s
JIT with tail calling interpreter (21)	4m 31s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 2s
aarch64-pc-windows-msvc/msvc (Release)	20m 2s
x86_64-apple-darwin/clang (Debug)	25m 10s
aarch64-apple-darwin/clang (Debug)	15m 14s
i686-pc-windows-msvc/msvc (Debug)	27m 6s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 43s
x86_64-apple-darwin/clang (Release)	34m 3s
aarch64-apple-darwin/clang (Release)	11m 50s
x86_64-pc-windows-msvc/msvc (Release)	14m 44s
x86_64-pc-windows-msvc/msvc (Debug)	26m 35s
aarch64-unknown-linux-gnu/gcc (Release)	6m 56s
aarch64-pc-windows-msvc/msvc (Debug)	23m 6s
x86_64-unknown-linux-gnu/gcc (Release)	8m 38s
	4h 55m 26s

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