[clang] [llvm] Trying to fix undefined symbol error caused by iterator variable (PR #141507)

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ShashwathiNavada wrote:

> That's maybe better?
> 
> I spent a little time looking at the testcase, and I saw something weird in the AST: there's a VarDecl at the top level, but it never gets sent down the normal path for top-level decls. I suspect there's a missing call to HandleTopLevelDecl somewhere. That would be the best way to handle this, if possible.

@efriedma-quic  Thank you for the suggestion,.I have added the call. Could you please take a look and let me know if it looks good?

https://github.com/llvm/llvm-project/pull/141507