[clang] [clang][bytecode] Support virtual bases in C++26 (PR #204289)

[Eli Friedman via cfe-commits]

================
@@ -2472,6 +2472,8 @@ static bool CheckEvaluationResult(CheckEvaluationResultKind CERK,
     if (const CXXRecordDecl *CD = dyn_cast<CXXRecordDecl>(RD)) {
       unsigned BaseIndex = 0;
       for (const CXXBaseSpecifier &BS : CD->bases()) {
+        if (BS.isVirtual())
+          continue;
----------------
efriedma-quic wrote:

Do we need to handle virtual bases?

https://github.com/llvm/llvm-project/pull/204289