JIT

gh-142476: fix memory leak when creating JIT executors #4580

Job	Run time
Interpreter (Debug)	10m 42s
JIT without optimizations (Debug) (21)	12m 26s
JIT with tail calling interpreter (21)	4m 1s
Free-Threaded (Debug) (21)	16m 0s
aarch64-apple-darwin/clang (Release)	12m 59s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 3s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 47s
aarch64-apple-darwin/clang (Debug)	12m 13s
x86_64-pc-windows-msvc/msvc (Debug)	26m 10s
x86_64-apple-darwin/clang (Debug)	22m 53s
aarch64-pc-windows-msvc/msvc (Release)	21m 4s
x86_64-unknown-linux-gnu/gcc (Release)	8m 29s
aarch64-pc-windows-msvc/msvc (Debug)	24m 40s
i686-pc-windows-msvc/msvc (Release)	14m 17s
x86_64-apple-darwin/clang (Release)	21m 48s
i686-pc-windows-msvc/msvc (Debug)	25m 33s
aarch64-unknown-linux-gnu/gcc (Release)	6m 49s
x86_64-pc-windows-msvc/msvc (Release)	14m 16s
	4h 34m 10s

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