[3.14] gh-132617: Fix dict.update() mutation check (gh-134815)
#135581
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Use `ma_used` instead of `ma_keys->dk_nentries` for modification check so that we only check if the dictionary is modified, not if new keys are added to a different dictionary that shared the same keys object. (cherry picked from commit d8994b0) Co-authored-by: Sam Gross <colesbury@gmail.com>
This was referenced Jun 16, 2025
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Use
ma_usedinstead ofma_keys->dk_nentriesfor modification checkso that we only check if the dictionary is modified, not if new keys are
added to a different dictionary that shared the same keys object.
(cherry picked from commit d8994b0)
Co-authored-by: Sam Gross colesbury@gmail.com
dict.update()mutation check too broad #132617