[issue45711] Simplify the interpreter's (type, val, tb) exception representation

[da-woods]

da-woods <dw-git at d-woods.co.uk> added the comment:

Just a quick comment on Cython and these changes:

Cython 0.29 can build itself on Python 3.11a4 with `CFLAGS="-DCYTHON_FAST_THREAD_STATE=0 -DCYTHON_USE_EXC_INFO_STACK=0" python3.11 setup.py build_ext`.

I think there's some coroutine code left that isn't fixed by those flags, but a large chunk of Cython libraries won't use coroutines and so will work fine with these flags. Hopefully that unblocks some stuff for you.

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nosy: +da-woods

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<https://bugs.python.org/issue45711>
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