Now that the dead ctor is gone, nothing uses the old node mapping exported by
cloneInto: make it an internally used mapping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20760 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/CompleteBottomUp.cpp b/lib/Analysis/DataStructure/CompleteBottomUp.cpp
index 7b7e62f..103c6bf 100644
--- a/lib/Analysis/DataStructure/CompleteBottomUp.cpp
+++ b/lib/Analysis/DataStructure/CompleteBottomUp.cpp
@@ -175,10 +175,7 @@
     DSGraph *NG = Stack.back();
     ValMap[NG] = ~0U;
 
-    {
-      DSGraph::NodeMapTy NodeMap;
-      FG.cloneInto(*NG, NodeMap);
-    }
+    FG.cloneInto(*NG);
 
     // Update the DSInfo map and delete the old graph...
     for (DSGraph::retnodes_iterator I = NG->retnodes_begin();