[Octave-bug-tracker] [bug #60813] GUI crashes when quitting debug mode from "run selection"

[Markus Mützel]

URL:
  <https://savannah.gnu.org/bugs/?60813>

                 Summary: GUI crashes when quitting debug mode from "run
selection"
                 Project: GNU Octave
            Submitted by: mmuetzel
            Submitted on: Wed 23 Jun 2021 07:26:51 PM CEST
                Category: GUI
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: 6.2.90
         Discussion Lock: Any
        Operating System: Any

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Details:

When using dbquit while running a command with "run selection" (F9 in the
editor), the Octave GUI crashes hard to the command line.

Steps to reproduce:
- Open some file in the editor, e.g. `edit delanayn`
- Add a stop point somewhere in that file, e.g. in line 99.
- Use "run selection" to call that function, e.g. scroll down to the first
test and execute `x = [-1, 0; 0, 1; 1, 0; 0, -1; 0, 0];`. Then, mark
`delaunayn (x)` and hit the F9 key.
- While Octave is waiting on the debug prompt, click on the stop icon (the
read square in the editor) or execute `dbquit` from the prompt.

That reliably crashes the GUI for me to the prompt.
"gdb" doesn't catch the crash.
Same on Windows and Linux with the release candidate 6.2.90.




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