Instead of using a bool that constant has to be explained, use a self
explanitory enum instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4600 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/TopDownClosure.cpp b/lib/Analysis/DataStructure/TopDownClosure.cpp
index 817e734..a37ccd9 100644
--- a/lib/Analysis/DataStructure/TopDownClosure.cpp
+++ b/lib/Analysis/DataStructure/TopDownClosure.cpp
@@ -177,7 +177,7 @@
     // Strip scalars but not allocas since they are alive in callee.
     // 
     DSNodeHandle RetVal = Graph->cloneInto(CG, OldValMap, OldNodeMap,
-                                           /*StripAllocas*/ false);
+                                           DSGraph::KeepAllocaBit);
     ResolveCallSite(*Graph, DSCallSite(CallSiteInCG, OldNodeMap));
   }