Issue 6281 - Don't return deleted entries

compiled/ElemHide.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 165 matching lines @@
 
 ElemHide_SelectorList* ElemHide::GetUnconditionalSelectors() const
 {
   if (!mUnconditionalSelectorsCache)
   {
     mUnconditionalSelectorsCache =
       intrusive_ptr<ElemHide_SelectorList>(new ElemHide_SelectorList(), false);
     annotate_address(mUnconditionalSelectorsCache.get(), "ElemHide_SelectorList");
     for (const auto& unconditional : mUnconditionalSelectors)
     {
-      if (!(unconditional.is_deleted() || unconditional.is_invalid()))
-      {
-        auto entry = mFilters.find(unconditional.second->GetText());
-        if (entry)
-          mUnconditionalSelectorsCache->push_back(entry->second);
-      }
+      auto entry = mFilters.find(unconditional.second->GetText());
+      if (entry)
+        mUnconditionalSelectorsCache->push_back(entry->second);
     }
   }
   return intrusive_ptr<ElemHide_SelectorList>(mUnconditionalSelectorsCache).release();
 }
 
 ElemHide_SelectorList* ElemHide::GetSelectorsForDomain(const String& domain,
   Criteria criteria) const
 {
   intrusive_ptr<ElemHide_SelectorList> selectors(new ElemHide_SelectorList(), false);
   annotate_address(selectors.get(), "ElemHide_SelectorList");
@@ skipping 12 matching lines @@
   while (true)
   {
     if (specificOnly && currentDomain.empty())
       break;
 
     auto filters = mFiltersByDomain.find(currentDomain);
     if (filters)
     {
       for (const auto& entry : filters->second)
       {
-        if (entry.first.is_invalid() || entry.first.is_deleted())
-          continue;
-
         if (seenFilters.find(entry.first))
           continue;
         seenFilters.insert(entry.first);
 
         auto filter = entry.second;
         if (filter && !GetException(*filter, docDomain))
           selectors->push_back(filter);
       }
     }
 
     if (currentDomain.empty())
       break;
 
     auto nextDot = currentDomain.find(u'.');
     currentDomain = nextDot == String::npos ?
       u""_str : DependentString(currentDomain, nextDot + 1);
   }
 
   return selectors.release();
 }