Coverity: ODIN_II: CID 202041 Null pointer dereferences

[jeanlego]

/workspace/vtr-verilog-to-routing/ODIN_II/SRC/parse_making_ast.cpp: 1921 in

newDefparam(ids, ast_node_t *, int)()

1915                            }
1916                    }
1917            }
1918            //if the instance never showed before, dealt with this parameter in function convert_ast_to_netlist_recursing_via_modules
1919            if(flag == 0)
1920            {
>>>     CID 202041:  Null pointer dereferences  (FORWARD_NULL)
>>>     Dereferencing null pointer "new_node".
1921                    new_node->shared_node = false;
1922                    return new_node;
1923            //      add_child_to_node(new_node, symbol_node);
1924            }
1925            return NULL;
1926     }