Crash when undoing the drop of a layer after being deleted #4858
Description
Sentry Issue: ASEPRITE-2QT
EXCEPTION_ACCESS_VIOLATION_READ / 0xb6: Fatal Error: EXCEPTION_ACCESS_VIOLATION_READ / 0xb6
File "xutility", line 5987, in std::_Find_unchecked
const auto _Result = _STD _Find_vectorized(_First_ptr, _STD _To_address(_Last), _Val);
File "xutility", line 6024, in std::find
_STD _Seek_wrapped(_First, _STD _Find_unchecked(_STD _Get_unwrapped(_First), _STD _Get_unwrapped(_Last), _Val));
File "layer.cpp", line 57, in doc::Layer::getPrevious
std::find(m_parent->layers().begin(),
File "drop_on_timeline.cpp", line 237, in app::cmd::DropOnTimeline::onUndo
layerBefore = layer->getPrevious();
File "cmd.cpp", line 52, in app::Cmd::undo
onUndo();
...
(20 additional frame(s) were not displayed)
Been able to reproduce this as follows:
- ✨ Create a new file
- ✨ Drop a png or jpg file at the bottom of the "Layer 1".
- ✨ Delete the layer that was just created because of the drop.
- ✨ Undo the deletion.
- 💥 Try to undo the drop. You can't, it crashes.
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