Fix caching bug revealed by analyzing ClamAV using RegionStore.

llvm-svn: 76262
diff --git a/clang/lib/Analysis/GRExprEngine.cpp b/clang/lib/Analysis/GRExprEngine.cpp
index f83e92a..8a1bd18 100644
--- a/clang/lib/Analysis/GRExprEngine.cpp
+++ b/clang/lib/Analysis/GRExprEngine.cpp
@@ -2205,8 +2205,7 @@
 
   if (InitEx)
     Visit(InitEx, Pred, Tmp);
-
-  if (Tmp.empty())
+  else
     Tmp.Add(Pred);
   
   for (NodeSet::iterator I=Tmp.begin(), E=Tmp.end(); I!=E; ++I) {