Bugfix: support unknown control op subgraph

tests/ut/ge/hybrid/ge_hybrid_unittest.cc

@@ -266,11 +266,11 @@ TEST_F(UtestGeHybrid, unfold_subgraphs_success) {
 
   ComputeGraphPtr sub_graph = std::make_shared<ComputeGraph>("sub_graph");
   OpDescPtr sub_graph_while_op_desc = CreateOpDesc("while", WHILE);
-  NodePtr sub_graph_while_node = sub_graph->AddNode(op_desc);
+  NodePtr sub_graph_while_node = sub_graph->AddNode(sub_graph_while_op_desc);
 
   ComputeGraphPtr sub_sub_graph1 = std::make_shared<ComputeGraph>("while_cond");
-  OpDescPtr sub_sub_graph_while_cond_const_op_desc = CreateOpDesc("cond_const", CONST);
-  NodePtr sub_sub_graph_while_cond_const_node = sub_sub_graph1->AddNode(sub_sub_graph_while_cond_const_op_desc);
+  OpDescPtr sub_sub_graph_while_cond_data_op_desc = CreateOpDesc("cond_data", DATA);
+  NodePtr sub_sub_graph_while_cond_data_node = sub_sub_graph1->AddNode(sub_sub_graph_while_cond_data_op_desc);
 
   ComputeGraphPtr sub_sub_graph2 = std::make_shared<ComputeGraph>("while body");
   OpDescPtr sub_sub_graph_while_body_const_op_desc = CreateOpDesc("body_const", CONST);