JIT

gh-115999: Specialize `LOAD_ATTR` for instance and class receivers in free-threaded builds #2425

Job	Run time
Interpreter (Debug)	7m 50s
Free-Threaded (Debug) (19)	12m 17s
i686-pc-windows-msvc/msvc (Debug)	18m 20s
i686-pc-windows-msvc/msvc (Release)	11m 11s
x86_64-pc-windows-msvc/msvc (Debug)	17m 56s
x86_64-pc-windows-msvc/msvc (Release)	10m 39s
aarch64-pc-windows-msvc/msvc (Debug)	5m 12s
aarch64-pc-windows-msvc/msvc (Release)	6m 3s
x86_64-apple-darwin/clang (Debug)	13m 3s
x86_64-apple-darwin/clang (Release)	11m 6s
aarch64-apple-darwin/clang (Debug)	8m 47s
aarch64-apple-darwin/clang (Release)	8m 19s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 2s
x86_64-unknown-linux-gnu/gcc (Release)	5m 32s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 43s
aarch64-unknown-linux-gnu/gcc (Release)	5m 49s
	2h 38m 49s

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