JIT

Use tagged integers on the evaluation stack for `lasti` #3158

Job	Run time
Interpreter (Debug)	9m 10s
i686-pc-windows-msvc/msvc (Debug)	20m 44s
i686-pc-windows-msvc/msvc (Release)	12m 13s
Free-Threaded (Debug) (19)	14m 37s
x86_64-pc-windows-msvc/msvc (Debug)	19m 21s
x86_64-pc-windows-msvc/msvc (Release)	11m 9s
aarch64-pc-windows-msvc/msvc (Debug)	15m 34s
aarch64-pc-windows-msvc/msvc (Release)	15m 51s
x86_64-apple-darwin/clang (Debug)	11m 55s
x86_64-apple-darwin/clang (Release)	9m 2s
aarch64-apple-darwin/clang (Debug)	4m 9s
aarch64-apple-darwin/clang (Release)	7m 53s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 10s
x86_64-unknown-linux-gnu/gcc (Release)	6m 14s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 2s
aarch64-unknown-linux-gnu/gcc (Release)	5m 47s
	3h 0m 51s

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