[clang] [clang]Fix name lookup crash (PR #190484)

[Hrólf Kraki via cfe-commits]

Serosh-commits wrote:

> @Serosh-commits are you still workin on this or should we close based on @erichkeane's feedback?

yeah i think I have lost my track on this pr I will look forward to solve it in a future pr maybe 
due to some personal problems I am unable to work properly on my prs  I will hence close this and will be looking forward to contribute more soon 
sorry about the noise.. and thanks for ur patience and time

https://github.com/llvm/llvm-project/pull/190484