[clang] [clang]: support std::meta::info for primitive types (PR #190356)

[via cfe-commits]

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@@ -515,6 +515,10 @@ llvm::Type *CodeGenTypes::ConvertType(QualType T) {
       ResultType = llvm::PointerType::getUnqual(getLLVMContext());
       break;
 
+    case BuiltinType::MetaInfo:
+      ResultType = llvm::IntegerType::get(getLLVMContext(), 64);
+      break;
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Sirraide wrote:

I feel like this should just be `llvm_unreachable()`, which is how we handle e.g. dependent types here

https://github.com/llvm/llvm-project/pull/190356