JIT

gh-152666: Avoid reference counting of code objects #6928

Job	Run time
JIT with stress testing (Debug)	4m 15s
x86_64-apple-darwin/clang (Debug)	34m 56s
x86_64-apple-darwin/clang (Release)	29m 47s
Free-Threaded (Debug)	4m 20s
x86_64-unknown-linux-gnu/gcc (Release)	9m 27s
x86_64-pc-windows-msvc/msvc (Release)	15m 49s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 50s
aarch64-apple-darwin/clang (Debug)	12m 47s
JIT with tail calling interpreter	5m 13s
x86_64-unknown-linux-gnu/gcc (Debug)	16m 0s
aarch64-unknown-linux-gnu/gcc (Release)	7m 17s
JIT without optimizations (Debug)	3m 46s
i686-pc-windows-msvc/msvc (Release)	16m 17s
i686-pc-windows-msvc/msvc (Debug)	28m 26s
Interpreter (Debug)	13m 52s
aarch64-pc-windows-msvc/msvc (Release)	18m 12s
aarch64-pc-windows-msvc/msvc (Debug)	24m 41s
aarch64-apple-darwin/clang (Release)	13m 19s
x86_64-pc-windows-msvc/msvc (Debug)	24m 56s
	4h 53m 10s

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