don't bother |'ing in 0's


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20815 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/EquivClassGraphs.cpp b/lib/Analysis/DataStructure/EquivClassGraphs.cpp
index 7632200..288f594 100644
--- a/lib/Analysis/DataStructure/EquivClassGraphs.cpp
+++ b/lib/Analysis/DataStructure/EquivClassGraphs.cpp
@@ -436,7 +436,7 @@
       if (CalleeGraph != &G) {
         ++NumFoldGraphInlines;
         G.mergeInGraph(CS, *CalleeFunc, *CalleeGraph,
-                       DSGraph::KeepModRefBits | DSGraph::StripAllocaBit |
+                       DSGraph::StripAllocaBit |
                        DSGraph::DontCloneCallNodes |
                        DSGraph::DontCloneAuxCallNodes);
         DEBUG(std::cerr << "    Inlining graph [" << i << "/"