[llvm] Change type of DiagnosticHandlerTy (PR #86504)

[Abhin P Jose via llvm-commits]

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@@ -28,7 +28,7 @@ struct DiagnosticHandler {
       : DiagnosticContext(DiagContext) {}
   virtual ~DiagnosticHandler() = default;
 
-  using DiagnosticHandlerTy = void (*)(const DiagnosticInfo &DI, void *Context);
+  using DiagnosticHandlerTy = void (*)(const DiagnosticInfo *DI, void *Context);
 
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Abhinkop wrote:

I am not sure if this change will break some other projects.

https://github.com/llvm/llvm-project/pull/86504