JIT

gh-138451: Support custom LLVM installation path (#138452) #6268

Job	Run time
x86_64-unknown-linux-gnu/gcc (Debug)	14m 23s
Free-Threaded (Debug)	3m 55s
JIT with tail calling interpreter	4m 56s
Interpreter (Debug)	12m 24s
x86_64-unknown-linux-gnu/gcc (Release)	10m 21s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 54s
aarch64-apple-darwin/clang (Release)	11m 15s
JIT without optimizations (Debug)	3m 32s
aarch64-unknown-linux-gnu/gcc (Release)	7m 37s
x86_64-apple-darwin/clang (Release)	42m 19s
aarch64-apple-darwin/clang (Debug)	16m 41s
x86_64-apple-darwin/clang (Debug)	25m 34s
aarch64-pc-windows-msvc/msvc (Debug)	26m 38s
aarch64-pc-windows-msvc/msvc (Release)	18m 16s
i686-pc-windows-msvc/msvc (Release)	14m 22s
x86_64-pc-windows-msvc/msvc (Release)	16m 17s
x86_64-pc-windows-msvc/msvc (Debug)	22m 46s
i686-pc-windows-msvc/msvc (Debug)	30m 33s
	4h 50m 43s

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