JIT

gh-115999: Specialize `LOAD_ATTR` for instance and class receivers in free-threaded builds #2505

Job	Run time
Interpreter (Debug)	7m 54s
Free-Threaded (Debug) (19)	13m 30s
i686-pc-windows-msvc/msvc (Debug)	17m 53s
i686-pc-windows-msvc/msvc (Release)	11m 13s
x86_64-pc-windows-msvc/msvc (Debug)	18m 33s
x86_64-pc-windows-msvc/msvc (Release)	10m 42s
aarch64-pc-windows-msvc/msvc (Debug)	4m 40s
aarch64-pc-windows-msvc/msvc (Release)	6m 37s
x86_64-apple-darwin/clang (Debug)	16m 21s
x86_64-apple-darwin/clang (Release)	11m 25s
aarch64-apple-darwin/clang (Debug)	9m 46s
aarch64-apple-darwin/clang (Release)	8m 41s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 52s
x86_64-unknown-linux-gnu/gcc (Release)	5m 55s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 44s
aarch64-unknown-linux-gnu/gcc (Release)	6m 24s
	2h 46m 10s

Provide feedback