[PATCH] D130999: Fix LDV InstrRefBasedImpl to not crash when encountering unreachable MBBs.

[Adrian Prantl via Phabricator via llvm-commits]

aprantl added a comment.

Sorry, I just accidentally pushed this together with a different patch!
I *think* this should be a fairly uncontroversial patch,so I'm going to leave it in for now, but please let me know if you prefer me to revert.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130999/new/

https://reviews.llvm.org/D130999