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[3.14] gh-140431: Fix GC crash due to partially initialized coroutines (gh-140470) - #140504
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…pythongh-140470) The `make_gen()` function creates and tracks generator/coro objects, but doesn't fully initialize all the fields. At a minimum, we need to initialize all the fields that may be accessed by gen_traverse because the call to `compute_cr_origin()` can trigger a GC. (cherry picked from commit 574405c) Co-authored-by: Sam Gross <colesbury@gmail.com>
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The make_gen() function creates and tracks generator/coro objects, but
doesn't fully initialize all the fields. At a minimum, we need to
initialize all the fields that may be accessed by gen_traverse because
the call to compute_cr_origin() can trigger a GC.
(cherry picked from commit 574405c)
Co-authored-by: Sam Gross colesbury@gmail.com