[NFC] Optimize overflow for Collection.partitionPoint

[pookjw]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 13.86%. Comparing base (aa95e4d) to head (08d0582).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #688      +/-   ##
==========================================
+ Coverage   13.83%   13.86%   +0.03%     
==========================================
  Files         560      560              
  Lines       32867    32867              
==========================================
+ Hits         4547     4557      +10     
+ Misses      28320    28310      -10     

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