Fix a large chunk of exc_info changes on 0.29.x #4610
Merged
+8
−2
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By disabling CYTHON_FAST_THREAD_STATE and CYTHON_USE_EXC_INFO_STACK
I think this still leaves some breakage in Coroutines.c but it's
enough of a fix that Cython succeeds in building itself. Therefore
I think it's worth doing now even if it doesn't fix everything.
Related to #4500