[Bug]: Disabling coin object path causing crash

[MrGaming-18113]

SuperTux Version

v0.7.0-rev.1 - c516a77 (master)

System Information

Windows 11

Expected Behavior

Once removing the path, the coin should get back into a normal object coin.

Actual Behavior

the coin dissapears and once testing the level the game crashes.
(no actual console prints out)

Steps To Reproduce Actual Behavior

1. place a normal coin (object)
2. enable path
3. disable path
4. test the level

Additional Information

No response

Guidelines For Reporting Issues

• I have read https://github.com/SuperTux/supertux/blob/master/CONTRIBUTING.md#bug-reports.
• I have verified this isn't an issue that's already been reported.
• I have verified this isn't a discussion, or an issue about a crash or a feature request, but rather an actual bug ─ that is, the game did something not intended.
• I have verified this issue is not about wrong translations (use Transifex for those), or anything unsupported (e.g. third-party add-ons).
• In this report, I have only included details about one (1) bug.
• If I make a mistake while submitting this report, I agree to use the "Edit" feature to correct it, instead of closing this issue and opening a new one.

[tobbi]

Could you get a stack trace, please?

[MrGaming-18113]

Could you get a stack trace, please?

there are no actual log errors, which concerns me

[tobbi]

Reproduced.

(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xffffffffffffffd8)
  * frame #0: 0x000000010005a218 supertux2`glm::vec<2, float, (glm::qualifier)0> glm::operator-<float, (v1=0xffffffffffffffd8, v2=0x00007ff7bfefdc00)0>(glm::vec<2, float, (glm::qualifier)0> const&, glm::vec<2, float, (glm::qualifier)0> const&) at type_vec2.inl:554:7
    frame #1: 0x00000001006b9bcc supertux2`PathWalker::Handle::get_pos(this=0x00000001075e53f0, size=0x00007ff7bfefdc68, pos=0xffffffffffffffd8)0> const&) const at path_walker.cpp:35:14
    frame #2: 0x0000000100521c8f supertux2`Coin::finish_construction(this=0x00000001075e5240) at coin.cpp:94:27
    frame #3: 0x0000000100ceffa4 supertux2`Base::Sector::finish_construction(this=0x00000001075dbad0, (null)=false) at sector_base.cpp:43:13
    frame #4: 0x0000000100ccfbcf supertux2`Sector::finish_construction(this=0x00000001075dbad0, editable=false) at sector.cpp:169:17
    frame #5: 0x0000000100cf31cf supertux2`SectorParser::parse(this=0x00007ff7bfefe128, reader=0x00007ff7bfefe320) at sector_parser.cpp:188:12
    frame #6: 0x0000000100cf26e0 supertux2`SectorParser::from_reader(level=0x00000001071ced50, reader=0x00007ff7bfefe320, editable=false) at sector_parser.cpp:60:10
    frame #7: 0x0000000100acdc72 supertux2`LevelParser::load(this=0x00007ff7bfefe748, doc=0x00007ff7bfefe6d8) at level_parser.cpp:194:23
    frame #8: 0x0000000100acc7de supertux2`LevelParser::load(this=0x00007ff7bfefe748, filepath="levels/Tobbis_Test_World_1/level1.stl~") at level_parser.cpp:139:5
    frame #9: 0x0000000100acc726 supertux2`LevelParser::from_file(filename="levels/Tobbis_Test_World_1/level1.stl~", worldmap=false, editable=false) at level_parser.cpp:71:10
    frame #10: 0x0000000100a9597d supertux2`GameSession::restart_level(this=0x00000001071d79b0, after_death=false, preserve_music=false) at game_session.cpp:249:25
    frame #11: 0x0000000100ae374e supertux2`LevelsetScreen::setup(this=0x0000600002d9e080) at levelset_screen.cpp:110:17
    frame #12: 0x0000000100cc688e supertux2`ScreenManager::handle_screen_switch(this=0x00000001072300a0) at screen_manager.cpp:603:36
    frame #13: 0x0000000100cc7159 supertux2`ScreenManager::loop_iter(this=0x00000001072300a0) at screen_manager.cpp:695:3
    frame #14: 0x0000000100cc761a supertux2`ScreenManager::run(this=0x00000001072300a0) at screen_manager.cpp:721:5
    frame #15: 0x0000000100aed720 supertux2`Main::launch_game(this=0x0000600003504000, args=0x00007ff7bfeff4e8) at main.cpp:732:21
    frame #16: 0x0000000100aef1a7 supertux2`Main::run(this=0x0000600003504000, argc=1, argv=0x00007ff7bfeff7a0) at main.cpp:826:9
    frame #17: 0x0000000100eac6e3 supertux2`main(argc=1, argv=0x00007ff7bfeff7a0) at main.cpp:30:21
    frame #18: 0x0000000104d9d52e dyld`start + 462