JIT

gh-153569: Add tokenizer source and cursor primitives #6990

Job	Run time
x86_64-apple-darwin/clang (Release)	39m 37s
x86_64-apple-darwin/clang (Debug)	45m 42s
Interpreter (Debug)	13m 30s
x86_64-unknown-linux-gnu/gcc (Release)	9m 58s
Free-Threaded (Debug)	4m 8s
i686-pc-windows-msvc/msvc (Debug)	29m 2s
aarch64-apple-darwin/clang (Release)	12m 18s
x86_64-unknown-linux-gnu/gcc (Debug)	15m 47s
JIT without optimizations (Debug)	3m 55s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 49s
JIT with tail calling interpreter	5m 13s
aarch64-apple-darwin/clang (Debug)	14m 22s
aarch64-unknown-linux-gnu/gcc (Release)	6m 27s
JIT with stress testing (Debug)	4m 1s
x86_64-pc-windows-msvc/msvc (Debug)	29m 9s
aarch64-pc-windows-msvc/msvc (Release)	18m 41s
x86_64-pc-windows-msvc/msvc (Release)	17m 8s
i686-pc-windows-msvc/msvc (Release)	16m 37s
aarch64-pc-windows-msvc/msvc (Debug)	26m 58s
	5h 21m 22s

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