[Octave-bug-tracker] [bug #42506] Exiting debug mode unexpectedly

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?42506>

                 Summary: Exiting debug mode unexpectedly
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Wed 04 Jun 2014 04:03:28 PM UTC
                Category: GUI
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Performance
                  Status: None
             Assigned to: None
         Originator Name: Jingjing Li
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.1
        Operating System: GNU/Linux

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Details:

When setting a breakpoint in a m file from the m file editor, and click the
button "Save File and Run", the running stop at the breakpoint.  If then check
the value of a variable in the Command Window, it immediately exit the debug
mode without any warning or error message.  However, after clicking the Run
button, if I further do one "Step In", then check the value of a variable,
everything would be fine and normal.  

A minimum test case:
-------
A = rand(3, 3);
B = A;
C = A;
--------
Set the breakpoint at line 2 (B=A) and run, it stops at line 2.  Then check
the value of A in the command window, it immediately exit the debug mode.

If run and stops at line 2, then click F10 to step forward to line 3, then
check the value of A or B in the command window, everything would be fine.





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