Commit d0590419 authored by Catalin Badea's avatar Catalin Badea
Browse files

Bug 1402251 - Assert ranges our not added to multiple common ancestor lists. r=smaug

parent 74f1c6ec

dom/base/nsRange.cpp

+2 −0
Original line number Diff line number Diff line
@@ -439,6 +439,8 @@ nsRange::RegisterCommonAncestor(nsINode* aNode) 
  if (!ranges) {

    ranges = MakeUnique<LinkedList<nsRange>>();

  }



  MOZ_DIAGNOSTIC_ASSERT(!isInList());

  ranges->insertBack(this);

  aNode->SetCommonAncestorForRangeInSelection();

}