message: [fix] Add a case to handle shape propagation for tf.where.
diff: @@ -2341,6 +2341,11 @@ void ProcessUniqueOperator(Model* model, UniqueOperator* op) {
  case OperatorType::kUnique:
  ProcessUniqueOperator(model, static_cast<UniqueOperator*>(op));
  break;
  + case OperatorType::kWhere:
  + // The size of the output can only be known after evaluating the cond
  + // tensor. Ignore shape propagation here and defer that to the
  + // interpreter.
  + break;
  default:
  // Unimplemented, another graph transformation should drop it.
  LOG(FATAL) << "Unhandled operator type " << OperatorTypeName(op->type);
  