JIT

Move root user checks to test.support (#146195) #7072

Job	Run time
Interpreter (Debug)	12m 10s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 21s
JIT without optimizations (Debug)	3m 35s
JIT with tail calling interpreter	3m 40s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 23s
Free-Threaded (Debug)	3m 46s
x86_64-unknown-linux-gnu/gcc (Release)	8m 50s
x86_64-apple-darwin/clang (Debug)	37m 56s
aarch64-unknown-linux-gnu/gcc (Release)	6m 52s
x86_64-apple-darwin/clang (Release)	33m 31s
i686-pc-windows-msvc/msvc (Debug)	26m 27s
x86_64-pc-windows-msvc/msvc (Release)	14m 53s
aarch64-apple-darwin/clang (Release)	11m 17s
x86_64-pc-windows-msvc/msvc (Debug)	28m 32s
aarch64-apple-darwin/clang (Debug)	15m 42s
aarch64-pc-windows-msvc/msvc (Release)	18m 2s
aarch64-pc-windows-msvc/msvc (Debug)	24m 5s
i686-pc-windows-msvc/msvc (Release)	14m 56s
	4h 47m 58s

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