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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95755 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Checker/RegionStore.cpp

@@ -1066,7 +1066,8 @@ RegionStoreManager::GetLazyBinding(RegionBindings B, const MemRegion *R) {
       return std::make_pair(X.first,
                             MRMgr.getFieldRegionWithSuper(FR, X.second));
   }
-
+  // The NULL MemRegion indicates an non-existent lazy binding. A NULL Store is 
+  // possible for a valid lazy binding.
   return std::make_pair((Store) 0, (const MemRegion *) 0);
 }