[clang] [LifetimeSafety] Refactor function handlng invalidating calls (PR #195064)

[Gábor Horváth via cfe-commits]

Xazax-hun wrote:

The title says refactor but the PR is actually adding new functionality. I think you need to come up with a new title. 

https://github.com/llvm/llvm-project/pull/195064