JIT

gh-138497: Support LLVM_VERSION configuration via env (#138498) #4111

Job	Run time
Interpreter (Debug)	9m 48s
Free-Threaded (Debug) (19)	16m 2s
i686-pc-windows-msvc/msvc (Debug)	22m 5s
i686-pc-windows-msvc/msvc (Release)	14m 2s
x86_64-pc-windows-msvc/msvc (Debug)	23m 39s
JIT without optimizations (Debug) (19)	11m 5s
x86_64-apple-darwin/clang (Release)	17m 20s
x86_64-pc-windows-msvc/msvc (Release)	12m 1s
x86_64-apple-darwin/clang (Debug)	19m 50s
aarch64-pc-windows-msvc/msvc (Release)	16m 59s
aarch64-apple-darwin/clang (Debug)	14m 29s
aarch64-pc-windows-msvc/msvc (Debug)	21m 35s
aarch64-unknown-linux-gnu/gcc (Release)	5m 50s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 0s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 16s
x86_64-unknown-linux-gnu/gcc (Release)	8m 35s
aarch64-apple-darwin/clang (Release)	11m 16s
	4h 3m 52s

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