JIT

gh-148925: Add safe PyUnstable_* APIs for call-stack iteration #6581

Job	Run time
aarch64-unknown-linux-gnu/gcc (Release)	8m 5s
i686-pc-windows-msvc/msvc (Debug)	25m 58s
x86_64-apple-darwin/clang (Debug)	35m 7s
aarch64-apple-darwin/clang (Release)	14m 27s
aarch64-pc-windows-msvc/msvc (Release)	18m 42s
Free-Threaded (Debug)	3m 34s
x86_64-unknown-linux-gnu/gcc (Release)	8m 48s
JIT with tail calling interpreter	4m 41s
Interpreter (Debug)	13m 54s
aarch64-unknown-linux-gnu/gcc (Debug)	10m 7s
JIT without optimizations (Debug)	3m 58s
i686-pc-windows-msvc/msvc (Release)	14m 40s
x86_64-apple-darwin/clang (Release)	1h 0m 39s
aarch64-pc-windows-msvc/msvc (Debug)	1h 0m 22s
aarch64-apple-darwin/clang (Debug)	15m 44s
x86_64-unknown-linux-gnu/gcc (Debug)	16m 3s
x86_64-pc-windows-msvc/msvc (Release)	15m 57s
x86_64-pc-windows-msvc/msvc (Debug)	29m 25s
	6h 0m 11s

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