diff --git a/include/llvm/CodeGen/LiveVariables.h b/include/llvm/CodeGen/LiveVariables.h
index 28cfa2a0b2b..e19a6c69dd7 100644
--- a/include/llvm/CodeGen/LiveVariables.h
+++ b/include/llvm/CodeGen/LiveVariables.h
@@ -68,6 +68,8 @@ public:
         }
       return false;
     }
+    
+    void dump() const;
   };
 
 private: