Steer clear of g++ scoping bug in range-based for loop.

Source/core/css/resolver/MatchedPropertiesCache.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 27 matching lines @@
 #if ENABLE(OILPAN)
 bool CachedMatchedPropertiesHashTraits::traceInCollection(Visitor* visitor, Member<CachedMatchedProperties>& cachedProperties, WTF::ShouldWeakPointersBeMarkedStrongly strongify)
 {
     // Only honor the cache's weakness semantics if the collection is traced
     // with WeakPointersActWeak. Otherwise just trace the cachedProperties
     // strongly, ie. call trace on it.
     if (cachedProperties && strongify == WTF::WeakPointersActWeak) {
         // A given cache entry is only kept alive if none of the MatchedProperties
         // in the CachedMatchedProperties value contain a dead "properties" field.
         // If there is a dead field the entire cache entry is removed.
-        for (const auto& cachedProperties : cachedProperties->matchedProperties) {
-            if (!visitor->isAlive(cachedProperties.properties)) {
+        for (const auto& matchedProperties : cachedProperties->matchedProperties) {
+            if (!visitor->isAlive(matchedProperties.properties)) {
                 // For now report the cache entry as dead. This might not
                 // be the final result if in a subsequent call for this entry,
                 // the "properties" field has been marked via another path.
                 return true;
             }
         }
     }
     // At this point none of the entries in the matchedProperties vector
     // had a dead "properties" field so trace CachedMatchedProperties strongly.
     visitor->trace(cachedProperties);
@@ skipping 132 matching lines @@
 }
 
 void MatchedPropertiesCache::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_cache);
 #endif
 }
 
 }