[clang] [llvm] [Coverage][MC/DC] Show uncoverable and unreachable conditions (PR #94137)

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Lambdaris wrote:

> > I have no authority to request reviewers or commit this patch. So let's @ someone, @chapuni @ornata @hanickadot
> 
> I had some comments in the pending state that I just now noticed :( sorry about that.

:fearful: Terribly sorry I was not aware that pending views are invisible to others.

https://github.com/llvm/llvm-project/pull/94137