JIT

gh-129231: group executable JIT code in memory #2672

Job	Run time
Interpreter (Debug)	7m 36s
Free-Threaded (Debug) (19)	12m 2s
i686-pc-windows-msvc/msvc (Debug)	18m 18s
i686-pc-windows-msvc/msvc (Release)	11m 16s
x86_64-pc-windows-msvc/msvc (Debug)	18m 48s
x86_64-pc-windows-msvc/msvc (Release)	11m 54s
aarch64-pc-windows-msvc/msvc (Debug)	5m 57s
aarch64-pc-windows-msvc/msvc (Release)	6m 18s
x86_64-apple-darwin/clang (Debug)	13m 56s
x86_64-apple-darwin/clang (Release)	7m 30s
aarch64-apple-darwin/clang (Debug)	9m 21s
aarch64-apple-darwin/clang (Release)	8m 44s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 28s
x86_64-unknown-linux-gnu/gcc (Release)	6m 4s
aarch64-unknown-linux-gnu/gcc (Debug)	5m 43s
aarch64-unknown-linux-gnu/gcc (Release)	4m 55s
	2h 36m 50s

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