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

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Lambdaris wrote:

> What's the current status?

I think it's done and ready for review.

>  I think marking extended semantics (to Regions) will still be the issue. Could we enhance "Gap"?

Could you clarify the issue and how we enhance "gap" a bit more? Now the major work of this patch is in `MCDCRecordProcessor::processMCDCRecord`, marking some mcdc branch regions as we expected.

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