[PATCH] D121580: [SCCP] Fix crash when function arg is a unused basic block's address

[Nikita Popov via Phabricator via llvm-commits]

nikic added a reviewer: nickdesaulniers.
nikic added a comment.

Per the discussion on https://github.com/llvm/llvm-project/issues/54238, my understanding is that considering the block dead is okay semantically, so I'm not sure preventing that is the right fix here. Why does the "usual" replacement of the blockaddress with 1 not work here and crash instead?


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https://reviews.llvm.org/D121580