[Mlir-commits] [mlir] [mlir] Add a utility method to move operation dependencies. (PR #129975)

[Oleksandr Alex Zinenko]

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@@ -1089,6 +1096,9 @@ class ErrorCheckingTrackingListener : public TrackingListener {
 
   /// The number of errors that have been encountered.
   int64_t errorCounter = 0;
+
+  /// Latest message from match failure notification.
+  std::string matchFailureMsg = "";
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ftynse wrote:

Can we keep a `Diagnostic`, potentially wrapped in `std::optional/unique_ptr` here? There's more to it than the string...

https://github.com/llvm/llvm-project/pull/129975