[Mlir-commits] [mlir] [mlir] Add missing materialization function diag for dialect convertion (PR #207689)

[Matthias Springer]

https://github.com/matthias-springer commented:

Based on the changed test cases, this just renames the error message, but does not add any extra information. How does that help?

https://github.com/llvm/llvm-project/pull/207689