)]}'
{
  "commit": "5f8c5835005adcfd36b0cc007dcf89209ea7890a",
  "tree": "79ab6aeaeec9bad35da3f0b31f5758000cc31ce0",
  "parents": [
    "ff028f2fb402f0dbdcc2b4e80192c032f827065e"
  ],
  "author": {
    "name": "Protobuf Team Bot",
    "email": "protobuf-github-bot@google.com",
    "time": "Wed Aug 26 10:57:30 2026 -0700"
  },
  "committer": {
    "name": "Copybara-Service",
    "email": "copybara-worker@google.com",
    "time": "Wed Aug 26 11:00:37 2026 -0700"
  },
  "message": "Optimize upb_Arena pool pop by removing best-fit search loop\n\n- Enforce strict O(1) exact-match block popping in _upb_Arena_FindAndPopPoolBlock without linear scanning through larger bins.\n- Check a-\u003epool upfront in upb_Arena_AllocPool before calculating validity.\n- Preserve host-sized blocks for exact requests without stealing or fragmentation.\n- Update tests in arena_test.cc to verify O(1) exact-match allocation behavior.\n\nPiperOrigin-RevId: 971380213\n",
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