[clang] [lldb] [clang][AST] fix ast-print of extern <lang> with >=2 declarators, fixed, fixed (PR #98795)

[via cfe-commits]

temyurchenko wrote:

> Ping @JDevlieghere for lldb test suite assistance.
> 
> As for ORC JIT, [the compiler-rt project](https://compiler-rt.llvm.org/) does not claim to support Windows to begin with, so it's unclear whether the bot should not be testing on Windows or whether compiler-rt needs to update their support claims. CC @vitalybuka for more opinions/help on this one (my preference is for Windows to be a first-class citizen with compiler-rt, but if nobody is willing to do the maintenance work, we should not let bots failing when testing compiler-rt on Windows be a blocking concern).

Pinging @vitalybuka.

https://github.com/llvm/llvm-project/pull/98795