Index: include/llvm/ADT/SetVector.h
===================================================================
--- include/llvm/ADT/SetVector.h
+++ include/llvm/ADT/SetVector.h
@@ -60,6 +60,8 @@
 
   ArrayRef<T> getArrayRef() const { return vector_; }
 
+  const set_type& getSetRef() const { return Set; }
+
   /// \brief Determine if the SetVector is empty or not.
   bool empty() const {
     return vector_.empty();