JIT

gh-148646: Add --enable-prebuilt-jit-stencils configure flag #6587

Job	Run time
JIT without optimizations (Debug)	9m 39s
JIT with tail calling interpreter	5m 58s
aarch64-apple-darwin/clang (Release)	12m 47s
x86_64-apple-darwin/clang (Release)	48m 50s
aarch64-apple-darwin/clang (Debug)	19m 41s
aarch64-pc-windows-msvc/msvc (Release)	18m 54s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 30s
x86_64-unknown-linux-gnu/gcc (Release)	9m 14s
Free-Threaded (Debug)	4m 23s
x86_64-pc-windows-msvc/msvc (Release)	17m 33s
i686-pc-windows-msvc/msvc (Debug)	30m 5s
x86_64-apple-darwin/clang (Debug)	38m 24s
x86_64-pc-windows-msvc/msvc (Debug)	29m 36s
Interpreter (Debug)	12m 22s
i686-pc-windows-msvc/msvc (Release)	14m 49s
aarch64-pc-windows-msvc/msvc (Debug)	25m 37s
aarch64-unknown-linux-gnu/gcc (Debug)	2m 16s
aarch64-unknown-linux-gnu/gcc (Release)	7m 29s
	5h 22m 7s

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