[PATCH] D101780: [CoverageMapping] Handle gaps in counter IDs for source-based coverage

[Vedant Kumar via Phabricator via llvm-commits]

vsk added a comment.

Thanks for digging into this. Could you explain why it's necessary to use more coverage counters than there are regions? If there's no longer a reserved counter (counter #0), then are counters N >= Regions.size() somehow redundant (and if so, are they worth deduplicating in the Rust FE)?


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https://reviews.llvm.org/D101780