diff --git a/llvm/include/llvm/IR/Function.h b/llvm/include/llvm/IR/Function.h
--- a/llvm/include/llvm/IR/Function.h
+++ b/llvm/include/llvm/IR/Function.h
@@ -725,8 +725,11 @@
   /// of functions to modify the list, including Function::splice(),
   /// Function::erase(), Function::insert() etc.
   const BasicBlockListType &getBasicBlockList() const { return BasicBlocks; }
-        BasicBlockListType &getBasicBlockList()       { return BasicBlocks; }
 
+private:
+  BasicBlockListType &getBasicBlockList() { return BasicBlocks; }
+
+public:
   static BasicBlockListType Function::*getSublistAccess(BasicBlock*) {
     return &Function::BasicBlocks;
   }