JIT

GH-127809: Fix the JIT's understanding of `**` #2338

Job	Run time
Interpreter (Debug)	7m 49s
Free-Threaded (Debug) (19)	11m 53s
i686-pc-windows-msvc/msvc (Debug)	19m 20s
i686-pc-windows-msvc/msvc (Release)	12m 11s
x86_64-pc-windows-msvc/msvc (Debug)	18m 37s
x86_64-pc-windows-msvc/msvc (Release)	10m 48s
aarch64-pc-windows-msvc/msvc (Debug)	4m 57s
aarch64-pc-windows-msvc/msvc (Release)	6m 45s
x86_64-apple-darwin/clang (Debug)	12m 44s
x86_64-apple-darwin/clang (Release)	9m 33s
aarch64-apple-darwin/clang (Debug)	9m 13s
aarch64-apple-darwin/clang (Release)	9m 0s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 34s
x86_64-unknown-linux-gnu/gcc (Release)	5m 41s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 57s
aarch64-unknown-linux-gnu/gcc (Release)	7m 19s
	2h 43m 21s

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