message: A root RNG instruction has no users, but is still fusable
diff: @@ -1759,7 +1759,7 @@ bool HloInstruction::IsFusable() const {
  // Only fuse Rng if it is used once, otherwise the random numbers generated
  // will be different in each fusion.
  case HloOpcode::kRng:
  - return users_.size() == 1;
  + return users_.size() <= 1;
  default:
  return true;
  }
  