[PATCH] D38960: [Local] Fix a bug in the domtree update logic for MergeBasicBlockIntoOnlyPred.

[Jakub Kuderski via Phabricator via llvm-commits]

kuhar added a comment.

Thanks for adding the comment.

The testcase seems really long and it's not obvious why what it tries to exercise -- have you tried reducing it with bugpoint to something shorter and easier to reason about?


https://reviews.llvm.org/D38960