[3.13] gh-121652: Handle allocate_weakref
returning NULL (GH-121653)
#121721
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The
allocate_weakref
may return NULL when out of memory. We need tohandle that case and propagate the error.
(cherry picked from commit a640a60)
Co-authored-by: Sam Gross colesbury@gmail.com
weakrefobject.c
doesn't handleallocate_weakref
failures #121652