JIT

gh-152666: Avoid reference counting of code objects #6953

Job	Run time
Interpreter (Debug)	15m 4s
x86_64-apple-darwin/clang (Debug)	41m 4s
x86_64-apple-darwin/clang (Release)	48m 28s
aarch64-apple-darwin/clang (Debug)	17m 2s
JIT with tail calling interpreter	4m 11s
JIT with stress testing (Debug)	4m 23s
JIT without optimizations (Debug)	3m 45s
i686-pc-windows-msvc/msvc (Release)	16m 59s
aarch64-apple-darwin/clang (Release)	12m 48s
aarch64-unknown-linux-gnu/gcc (Release)	6m 35s
x86_64-unknown-linux-gnu/gcc (Debug)	16m 0s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 52s
x86_64-unknown-linux-gnu/gcc (Release)	9m 37s
Free-Threaded (Debug)	4m 19s
aarch64-pc-windows-msvc/msvc (Release)	19m 34s
x86_64-pc-windows-msvc/msvc (Release)	16m 34s
x86_64-pc-windows-msvc/msvc (Debug)	29m 10s
i686-pc-windows-msvc/msvc (Debug)	26m 10s
aarch64-pc-windows-msvc/msvc (Debug)	25m 1s
	5h 25m 36s

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