JIT

gh-128262: Allow specialization of calls to classes with slots (G… #2418

Job	Run time
Interpreter (Debug)	7m 41s
Free-Threaded (Debug) (19)	12m 38s
i686-pc-windows-msvc/msvc (Debug)	18m 1s
i686-pc-windows-msvc/msvc (Release)	10m 35s
x86_64-pc-windows-msvc/msvc (Debug)	17m 7s
x86_64-pc-windows-msvc/msvc (Release)	9m 46s
aarch64-pc-windows-msvc/msvc (Debug)	4m 2s
aarch64-pc-windows-msvc/msvc (Release)	6m 45s
x86_64-apple-darwin/clang (Debug)	16m 2s
x86_64-apple-darwin/clang (Release)	11m 11s
aarch64-apple-darwin/clang (Debug)	8m 44s
aarch64-apple-darwin/clang (Release)	8m 42s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 35s
x86_64-unknown-linux-gnu/gcc (Release)	5m 35s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 0s
aarch64-unknown-linux-gnu/gcc (Release)	6m 54s
	2h 42m 18s

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