JIT

GH-128914: Remove all but one conditional stack effects #2612

Job	Run time
Interpreter (Debug)	7m 57s
Free-Threaded (Debug) (19)	12m 22s
i686-pc-windows-msvc/msvc (Debug)	17m 53s
i686-pc-windows-msvc/msvc (Release)	11m 42s
x86_64-pc-windows-msvc/msvc (Debug)	19m 46s
x86_64-pc-windows-msvc/msvc (Release)	11m 55s
aarch64-pc-windows-msvc/msvc (Debug)	5m 35s
aarch64-pc-windows-msvc/msvc (Release)	6m 0s
x86_64-apple-darwin/clang (Debug)	10m 31s
x86_64-apple-darwin/clang (Release)	11m 10s
aarch64-apple-darwin/clang (Debug)	8m 42s
aarch64-apple-darwin/clang (Release)	9m 14s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 54s
x86_64-unknown-linux-gnu/gcc (Release)	5m 47s
aarch64-unknown-linux-gnu/gcc (Debug)	5m 57s
aarch64-unknown-linux-gnu/gcc (Release)	4m 56s
	2h 38m 21s

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