Fix typos.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57146 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemRegion.cpp b/lib/Analysis/MemRegion.cpp
index 7c2af42..49c58f6 100644
--- a/lib/Analysis/MemRegion.cpp
+++ b/lib/Analysis/MemRegion.cpp
@@ -138,8 +138,8 @@
   ObjCIvarRegion* R = cast_or_null<ObjCIvarRegion>(data);
   
   if (!R) {
-    R = (ObjCIvarRegion*) A.Allocate<FieldRegion>();
-    new (R) FieldRegion(d, superRegion);
+    R = (ObjCIvarRegion*) A.Allocate<ObjCIvarRegion>();
+    new (R) ObjCIvarRegion(d, superRegion);
     Regions.InsertNode(R, InsertPos);
   }