c++ - GDB crashes with NullReferenceException on map opening

Question

Can't view the contents. Im on Ubuntu 20.04. Whenever I try to open the map of vectors debugger crashes with

and keeps loading forever

this is my map. Node * has no overridden hash method and actually is pretty basic

struct Node{
const int id;
Node * sccRepresentant = nullptr;
int size = 1;//used in sccGraph
vector<Node *> outConnections;
vector<Node *> inConnections;

vector<Node *> sccOutConnections; //if node is scc - these are connections to other sccs
vector<Node *> sccInConnections; //if node is scc - these are connections to other sccs
Node(int id):id(id){}

};

The issue is gone when I change the key from Node * to int

Also I noticed - this happens when pretty printing is enabled

IDE - visual studio code Insiders using this extension

I tried reinstalling gdb

my launch.json

{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
    {
        "name": "g++ - Build and debug active file",
        "type": "cppdbg",
        "request": "launch",
        "program": "${fileDirname}/${fileBasenameNoExtension}",
        "args": [
            "<",
            "test"
        ],
        "stopAtEntry": false,
        "cwd": "${workspaceFolder}",
        "environment": [],
        "externalConsole": false,
        "MIMode": "gdb",
        "setupCommands": [
            {
                "description": "Enable pretty-printing for gdb",
                "text": "-enable-pretty-printing",
                "ignoreFailures": true
            }
        ],
        "preLaunchTask": "C/C++: g++ build active file",
        "miDebuggerPath": "/usr/bin/gdb"
    }
]

} tasks.json

{
"tasks": [
    {
        "type": "cppbuild",
        "label": "C/C++: g++ build active file",
        "command": "/usr/bin/g++",
        "args": [
            "-g",
            "${file}",
            "-o",
            "${fileDirname}/${fileBasenameNoExtension}"
        ],
        "options": {
            "cwd": "${workspaceFolder}"
        },
        "problemMatcher": [
            "$gcc"
        ],
        "group": {
            "kind": "build",
            "isDefault": true
        },
        "detail": "Task generated by Debugger."
    }
],
"version": "2.0.0"

}

this is the log i get

question from:https://stackoverflow.com/questions/65870377/gdb-crashes-with-nullreferenceexception-on-map-opening

Answer 1

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