JIT

Reference implementation for PEP 828 #5471

Job	Run time
x86_64-apple-darwin/clang (Debug)	31m 13s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 51s
aarch64-apple-darwin/clang (Debug)	12m 17s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 32s
i686-pc-windows-msvc/msvc (Release)	18m 30s
Interpreter (Debug)	11m 52s
x86_64-unknown-linux-gnu/gcc (Release)	8m 53s
aarch64-unknown-linux-gnu/gcc (Release)	6m 45s
x86_64-apple-darwin/clang (Release)	34m 15s
JIT with tail calling interpreter	4m 38s
i686-pc-windows-msvc/msvc (Debug)	1h 0m 6s
aarch64-pc-windows-msvc/msvc (Debug)	1h 0m 7s
x86_64-pc-windows-msvc/msvc (Release)	9m 12s
Free-Threaded (Debug)	3m 40s
aarch64-pc-windows-msvc/msvc (Release)	12m 4s
x86_64-pc-windows-msvc/msvc (Debug)	1h 0m 7s
aarch64-apple-darwin/clang (Release)	12m 7s
JIT without optimizations (Debug)	3m 4s
	6h 12m 13s

Provide feedback