[clang] Thread Safety Analysis: Improved pointer handling (PR #127396)

[Marco Elver via cfe-commits]

melver wrote:

> > I need to commit this by end of day Wednesday - if I should wait a little longer, let me know so I can plan around it. Thanks.
> 
> Sorry, but I'm at C standards meetings this week, so I don't think I'll be able to review it by then. CC @aaronpuchert who maybe can help?

Thanks, and no worries. I'm also asking someone else here to help review, as we might also want to enable this in more codebases (not just kernel, which was my initial usecase).

https://github.com/llvm/llvm-project/pull/127396