JIT

gh-152063: Cache the offset of the inline values 'valid' byte in LOAD_ATTR #6934

Job	Run time
JIT without optimizations (Debug)	4m 25s
Interpreter (Debug)	10m 34s
JIT with tail calling interpreter	4m 57s
aarch64-apple-darwin/clang (Release)	12m 34s
aarch64-unknown-linux-gnu/gcc (Release)	7m 3s
Free-Threaded (Debug)	4m 18s
JIT with stress testing (Debug)	4m 8s
aarch64-apple-darwin/clang (Debug)	12m 54s
x86_64-unknown-linux-gnu/gcc (Debug)	16m 1s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 25s
x86_64-apple-darwin/clang (Debug)	1h 0m 16s
i686-pc-windows-msvc/msvc (Release)	16m 41s
x86_64-apple-darwin/clang (Release)	42m 0s
x86_64-pc-windows-msvc/msvc (Debug)	21m 47s
x86_64-pc-windows-msvc/msvc (Release)	16m 43s
x86_64-unknown-linux-gnu/gcc (Release)	8m 33s
i686-pc-windows-msvc/msvc (Debug)	28m 56s
aarch64-pc-windows-msvc/msvc (Release)	19m 4s
aarch64-pc-windows-msvc/msvc (Debug)	25m 15s
	5h 25m 34s

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