JIT

gh-115999: Enable free-threaded specialization of LOAD_CONST #2648

Job	Run time
Interpreter (Debug)	7m 43s
Free-Threaded (Debug) (19)	12m 20s
i686-pc-windows-msvc/msvc (Debug)	18m 35s
i686-pc-windows-msvc/msvc (Release)	12m 38s
x86_64-pc-windows-msvc/msvc (Debug)	21m 2s
x86_64-pc-windows-msvc/msvc (Release)	11m 21s
aarch64-pc-windows-msvc/msvc (Debug)	4m 28s
aarch64-pc-windows-msvc/msvc (Release)	6m 24s
x86_64-apple-darwin/clang (Debug)	14m 2s
x86_64-apple-darwin/clang (Release)	8m 21s
aarch64-apple-darwin/clang (Debug)	9m 5s
aarch64-apple-darwin/clang (Release)	8m 47s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 19s
x86_64-unknown-linux-gnu/gcc (Release)	5m 41s
aarch64-unknown-linux-gnu/gcc (Debug)	5m 52s
aarch64-unknown-linux-gnu/gcc (Release)	4m 57s
	2h 40m 35s

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