[clang] [lldb] [clang][AST] fix ast-print of extern <lang> with >=2 declarators, fixed (PR #93913)

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temyurchenko wrote:

> Do you need someone to land these changes on your behalf?

Given that the PR is approved, perhaps, yo

> Do you need someone to land these changes on your behalf?

@erichkeane, perhaps you can land these, given that the PR is approved?

https://github.com/llvm/llvm-project/pull/93913