JIT

gh-130415: Narrow types to constants in branches involving specialize… #5119

Job	Run time
Interpreter (Debug)	10m 8s
JIT without optimizations (Debug) (21)	12m 55s
Free-Threaded (Debug) (21)	16m 48s
JIT with tail calling interpreter (21)	4m 26s
i686-pc-windows-msvc/msvc (Debug)	25m 31s
i686-pc-windows-msvc/msvc (Release)	14m 13s
aarch64-pc-windows-msvc/msvc (Debug)	23m 22s
aarch64-pc-windows-msvc/msvc (Release)	16m 53s
x86_64-pc-windows-msvc/msvc (Debug)	26m 14s
x86_64-apple-darwin/clang (Release)	23m 40s
x86_64-pc-windows-msvc/msvc (Release)	13m 49s
x86_64-unknown-linux-gnu/gcc (Release)	8m 19s
x86_64-apple-darwin/clang (Debug)	29m 39s
aarch64-apple-darwin/clang (Release)	11m 29s
aarch64-apple-darwin/clang (Debug)	12m 42s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 47s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 21s
aarch64-unknown-linux-gnu/gcc (Release)	6m 38s
	4h 37m 54s

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