JIT

gh-128262: Allow specialization of calls to classes with slots #2416

Job	Run time
Interpreter (Debug)	7m 39s
Free-Threaded (Debug) (19)	12m 54s
i686-pc-windows-msvc/msvc (Debug)	18m 19s
i686-pc-windows-msvc/msvc (Release)	10m 44s
x86_64-pc-windows-msvc/msvc (Debug)	17m 24s
x86_64-pc-windows-msvc/msvc (Release)	11m 3s
aarch64-pc-windows-msvc/msvc (Debug)	4m 54s
aarch64-pc-windows-msvc/msvc (Release)	5m 37s
x86_64-apple-darwin/clang (Debug)	13m 20s
x86_64-apple-darwin/clang (Release)	10m 47s
aarch64-apple-darwin/clang (Debug)	8m 52s
aarch64-apple-darwin/clang (Release)	8m 41s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 29s
x86_64-unknown-linux-gnu/gcc (Release)	5m 41s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 30s
aarch64-unknown-linux-gnu/gcc (Release)	5m 46s
	2h 37m 40s

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