RegionInfo: Fix trivial error that slipped in last minute.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116400 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/RegionInfo.cpp b/lib/Analysis/RegionInfo.cpp
index 4a0a9a3..9d84f55 100644
--- a/lib/Analysis/RegionInfo.cpp
+++ b/lib/Analysis/RegionInfo.cpp
@@ -444,7 +444,7 @@
 void Region::clearNodeCache() {
   // Free the cached nodes.
   for (BBNodeMapT::iterator I = BBNodeMap.begin(),
-       IE = BBNodeMap.end(); I != IE; ++IE)
+       IE = BBNodeMap.end(); I != IE; ++I)
     delete I->second;
 
   BBNodeMap.clear();