[clang] [Clang][Sema] Fix crash in __builtin_dump_struct with immediate callables (PR #192880)

[Vladislav Semykin via cfe-commits]

ViNN280801 wrote:

This PR teaches me to be concise, efficient and more professional, so, thanks to all the reviewers and participants. I'll work on this

https://github.com/llvm/llvm-project/pull/192880