JIT

gh-115999: Specialize `LOAD_ATTR` for instance and class receivers in free-threaded builds #2398

Job	Run time
Interpreter (Debug)	7m 34s
Free-Threaded (Debug) (19)	12m 33s
i686-pc-windows-msvc/msvc (Debug)	18m 17s
i686-pc-windows-msvc/msvc (Release)	11m 33s
x86_64-pc-windows-msvc/msvc (Debug)	17m 6s
x86_64-pc-windows-msvc/msvc (Release)	11m 36s
aarch64-pc-windows-msvc/msvc (Debug)	5m 21s
aarch64-pc-windows-msvc/msvc (Release)	6m 37s
x86_64-apple-darwin/clang (Debug)	13m 51s
x86_64-apple-darwin/clang (Release)	9m 17s
aarch64-apple-darwin/clang (Debug)	8m 55s
aarch64-apple-darwin/clang (Release)	9m 5s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 28s
x86_64-unknown-linux-gnu/gcc (Release)	5m 39s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 19s
aarch64-unknown-linux-gnu/gcc (Release)	6m 59s
	2h 41m 10s

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