JIT

Make ABI function needed for Py_TRASHCAN_BEGIN private #506

Job	Run time
Interpreter (Debug)	8m 11s
Free-Threaded (Debug) (19)	12m 41s
i686-pc-windows-msvc/msvc (Debug)	19m 17s
i686-pc-windows-msvc/msvc (Release)	11m 35s
x86_64-pc-windows-msvc/msvc (Debug)	18m 17s
x86_64-pc-windows-msvc/msvc (Release)	11m 25s
aarch64-pc-windows-msvc/msvc (Debug)	4m 48s
aarch64-pc-windows-msvc/msvc (Release)	7m 15s
x86_64-apple-darwin/clang (Debug)	15m 23s
x86_64-apple-darwin/clang (Release)	9m 46s
aarch64-apple-darwin/clang (Debug)	9m 58s
aarch64-apple-darwin/clang (Release)	8m 44s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 11s
x86_64-unknown-linux-gnu/gcc (Release)	5m 38s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 27s
aarch64-unknown-linux-gnu/gcc (Release)	6m 21s
	2h 46m 57s

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