message: Neuter CopyInsertion::VerifyNoLiveRangeInference; it appears to be broken.
  CopyInsertion::VerifyNoLiveRangeInference is called as a DCHECK during
  CopyInsertion to check that it's doing its job properly.  Unfortunately,
  HloAliasAnalysis::HasLiveRangeInference appears to be extremely wrong, and
  fails on a number of models.
  While we investigate, we neuter VerifyNoLiveRangeInference by eliminating the
  HasLiveRangeInference check.
diff: @@ -1092,7 +1092,10 @@ Status CopyInsertion::VerifyNoLiveRangeInterference(const HloOrdering& ordering,
  HloModule* module) {
  TF_ASSIGN_OR_RETURN(std::unique_ptr<HloAliasAnalysis> alias_analysis,
  HloAliasAnalysis::Run(module, fusion_can_share_buffer_));
  - TF_RET_CHECK(!alias_analysis->HasLiveRangeInterference(ordering));
  + // TODO(b/122263061): This function appears to be incorrect, saying that
  + // live-range interference is occurring when it isn't. We've disabled it for
  + // now while we investigate.
  + // TF_RET_CHECK(!alias_analysis->HasLiveRangeInterference(ordering));
  return Status::OK();
  }
  