[clang] [CIR] Add support for derived class declarations (PR #142823)

[Erich Keane via cfe-commits]

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@@ -96,6 +96,28 @@ class CIRGenBuilderTy : public cir::CIRBaseBuilderTy {
     llvm_unreachable("Unsupported record kind");
   }
 
+  /// Get a CIR named record type.
+  ///
+  /// If a record already exists and is complete, but the client tries to fetch
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erichkeane wrote:

Can we have some asserts here for this condition?

https://github.com/llvm/llvm-project/pull/142823