JIT

gh-131798: do not watch immutable types in JIT #6063

Job	Run time
Interpreter (Debug)	12m 10s
Free-Threaded (Debug)	3m 28s
aarch64-apple-darwin/clang (Debug)	12m 59s
x86_64-apple-darwin/clang (Debug)	31m 6s
JIT with tail calling interpreter	4m 12s
JIT without optimizations (Debug)	3m 14s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 45s
x86_64-apple-darwin/clang (Release)	21m 22s
aarch64-apple-darwin/clang (Release)	11m 8s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 12s
aarch64-unknown-linux-gnu/gcc (Release)	7m 4s
aarch64-pc-windows-msvc/msvc (Debug)	25m 49s
i686-pc-windows-msvc/msvc (Debug)	20m 54s
i686-pc-windows-msvc/msvc (Release)	14m 53s
x86_64-pc-windows-msvc/msvc (Release)	15m 13s
x86_64-unknown-linux-gnu/gcc (Release)	8m 58s
aarch64-pc-windows-msvc/msvc (Release)	18m 15s
x86_64-pc-windows-msvc/msvc (Debug)	30m 19s
	4h 23m 1s

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