[PATCH] D57982: [SanitizierCoverage] Avoid splitting critical edges when destination is a basic block containing unreachable

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> But since this block itself shouldn't be reachable this is pointless.

Your testcase shows an empty unreachable block, but it's also possible to have a block that ends with an unreachable, but still has reachable code, like a call to exit().


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