JIT

gh-148608: Unbind classmethods in LOAD_ATTR_CLASS #6221

Job	Run time
x86_64-apple-darwin/clang (Release)	25m 53s
Interpreter (Debug)	11m 47s
JIT without optimizations (Debug)	3m 28s
x86_64-unknown-linux-gnu/gcc (Release)	8m 45s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 9s
Free-Threaded (Debug)	3m 11s
aarch64-unknown-linux-gnu/gcc (Release)	6m 55s
x86_64-apple-darwin/clang (Debug)	32m 29s
aarch64-apple-darwin/clang (Release)	13m 39s
aarch64-apple-darwin/clang (Debug)	17m 26s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 1s
aarch64-pc-windows-msvc/msvc (Debug)	26m 26s
i686-pc-windows-msvc/msvc (Debug)	28m 37s
i686-pc-windows-msvc/msvc (Release)	1h 0m 23s
JIT with tail calling interpreter	4m 42s
x86_64-pc-windows-msvc/msvc (Debug)	29m 58s
x86_64-pc-windows-msvc/msvc (Release)	1h 0m 24s
aarch64-pc-windows-msvc/msvc (Release)	1h 0m 31s
	6h 57m 44s

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