diff --git a/include/llvm/Analysis/MemoryDependenceAnalysis.h b/include/llvm/Analysis/MemoryDependenceAnalysis.h
index 4428bb65f9f..8679cd9dd86 100644
--- a/include/llvm/Analysis/MemoryDependenceAnalysis.h
+++ b/include/llvm/Analysis/MemoryDependenceAnalysis.h
@@ -39,7 +39,8 @@ class MemoryDependenceAnalysis : public FunctionPass {
     Instruction* getCallSiteDependency(CallSite C, Instruction* start,
                                        bool local = true);
     bool nonLocalHelper(Instruction* query, BasicBlock* block,
-                        DenseMap<BasicBlock*, Value*>& resp);
+                        DenseMap<BasicBlock*, Value*>& resp,
+                        SmallPtrSet<BasicBlock*, 4>& visited);
   public:
     
     static Instruction* NonLocal;