[Lldb-commits] [lldb] [lldb] Upgrade `GetIndexOfChildWithName` to use `llvm::Expected` (PR #136693)

[Michael Buch via lldb-commits]

https://github.com/Michael137 approved this pull request.

LGTM

I left some remaining comments. Should be good to go once those are addressed

https://github.com/llvm/llvm-project/pull/136693