JIT

GH-127809: Fix the JIT's understanding of `**` #2397

Job	Run time
Interpreter (Debug)	7m 30s
Free-Threaded (Debug) (19)	12m 27s
i686-pc-windows-msvc/msvc (Debug)	18m 34s
i686-pc-windows-msvc/msvc (Release)	10m 44s
x86_64-pc-windows-msvc/msvc (Debug)	17m 59s
x86_64-pc-windows-msvc/msvc (Release)	10m 27s
aarch64-pc-windows-msvc/msvc (Debug)	4m 53s
aarch64-pc-windows-msvc/msvc (Release)	5m 52s
x86_64-apple-darwin/clang (Debug)	10m 5s
x86_64-apple-darwin/clang (Release)	9m 21s
aarch64-apple-darwin/clang (Debug)	9m 0s
aarch64-apple-darwin/clang (Release)	9m 14s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 31s
x86_64-unknown-linux-gnu/gcc (Release)	5m 36s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 41s
aarch64-unknown-linux-gnu/gcc (Release)	5m 48s
	2h 33m 42s

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