For PR387:\
Add getModRefInfo method to avoid overloaded virtuals


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18601 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/DataStructureAA.cpp b/lib/Analysis/DataStructure/DataStructureAA.cpp
index 6444cc8..9b39c8f 100644
--- a/lib/Analysis/DataStructure/DataStructureAA.cpp
+++ b/lib/Analysis/DataStructure/DataStructureAA.cpp
@@ -56,6 +56,9 @@
     void getMustAliases(Value *P, std::vector<Value*> &RetVals);
 
     ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size);
+    ModRefResult getModRefInfo(CallSite CS1, CallSite CS2) {
+      return AliasAnalysis::getModRefInfo(CS1,CS2);
+    }
 
   private:
     DSGraph *getGraphForValue(const Value *V);