"Save Changes" doesn't show the name of editor with unsaved changes

1. Debug a crashing program in Creator.
2. Crash that program.
   In Stack view, Creator will show a backtrace.
3. Right-click into the backtrace and select "Generate Full Backtrace" from the context menu.
   An editor showing the backtrace will open.
4. Type something into the editor.
5. Try closing Creator.
   The "Save Changes" dialog will show up. It contains an entry for the backtrace but this has neither a name nor a path:
   

The "Save Changes" dialog should always show information which allows indentifying the respective editors.