From: Zhongxing Xu <xuzhongxing@gmail.com>
Date: Wed, 10 Feb 2010 02:02:10 +0000 (+0000)
Subject: Add comment.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dcbcbdcff8b8d9c19e98c21477fce224c92ce8c4;p=clang

Add comment.

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

diff --git a/lib/Checker/RegionStore.cpp b/lib/Checker/RegionStore.cpp
index a6646436d5..d97fdbb7fd 100644
--- a/lib/Checker/RegionStore.cpp
+++ b/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);
 }