Verified Commit cdbf2a44 authored by James Teh's avatar James Teh Committed by ma1
Browse files

Bug 2047957: Ensure cached line start offsets are valid. a=RyanVM DONTBUILD 

Original Revision: https://phabricator.services.mozilla.com/D307467

Differential Revision: https://phabricator.services.mozilla.com/D308429
parent bfbe3d3a

accessible/base/TextLeafRange.cpp

+6 −1
Original line number Diff line number Diff line
@@ -868,7 +868,12 @@ TextLeafPoint TextLeafPoint::FindLineStartSameRemoteAcc( 
  if (aDirection == eDirPrevious) {

    --index;

  }

  return TextLeafPoint(mAcc, lines->ElementAt(index));

  int32_t offset = lines->ElementAt(index);

  if (MOZ_UNLIKELY(offset < 0 || static_cast<uint32_t>(offset) >

                                     nsAccUtils::TextLength(mAcc))) {

    return TextLeafPoint();

  }

  return TextLeafPoint(mAcc, offset);

}



TextLeafPoint TextLeafPoint::FindLineStartSameAcc(