[Mlir-commits] [mlir] [mlir] implement `-verify-diagnostics=only-expected` (PR #135131)

[Maksim Levental]

================
@@ -644,6 +647,8 @@ class SourceMgrDiagnosticVerifierHandler : public SourceMgrDiagnosticHandler {
   void process(FileLineColLoc loc, StringRef msg, DiagnosticSeverity kind);
 
   std::unique_ptr<detail::SourceMgrDiagnosticVerifierHandlerImpl> impl;
+
+  Level level = Level::All;
----------------
makslevental wrote:

you can't? it's an impl struct and so the defn isn't visible outside of Diagnostics.cpp?

https://github.com/llvm/llvm-project/pull/135131