[mlir][transform] Fix typo in TrackingListener

This was an oversight in D147206. The function should not have been made
`const` (just like the other `notify...` functions).

diff --git a/mlir/include/mlir/Dialect/Transform/IR/TransformOps.h b/mlir/include/mlir/Dialect/Transform/IR/TransformOps.h
index eb55f7f..0443e3a 100644 (file)
--- a/mlir/include/mlir/Dialect/Transform/IR/TransformOps.h
+++ b/mlir/include/mlir/Dialect/Transform/IR/TransformOps.h
@@ -54,7 +54,7 @@ protected:
   /// replacement op was found. Derived classes can implement this function for
   /// custom error handling.
   virtual void notifyPayloadReplacementNotFound(Operation *op,
-                                                ValueRange values) const {}
+                                                ValueRange values) {}
 
   /// Return "true" if the given op is a new op.
   bool isNewOp(Operation *op) const;