Index: include/llvm/Transforms/IPO/Attributor.h
===================================================================
--- include/llvm/Transforms/IPO/Attributor.h
+++ include/llvm/Transforms/IPO/Attributor.h
@@ -1418,8 +1418,8 @@
   /// Return an IR position, see struct IRPosition.
   ///
   ///{
-  IRPosition &getIRPosition() { return *this; }
-  const IRPosition &getIRPosition() const { return *this; }
+  IRPosition &getIRPosition() override { return *this; }
+  const IRPosition &getIRPosition() const override { return *this; }
   ///}
 
   /// Create an abstract attribute view for the position \p IRP.