[Octave-bug-tracker] [bug #53838] variable editor displays out of bounds error too frequently

[Marshall]

Follow-up Comment #2, bug #53838 (project octave):

For a while, I couldn't get it to repeat the behavior on purpose on either of
the two machines I have, but I finally got it. (Or at least similar errors). 
This one is without debugging something:


clear a
a.b(1).c = 'string';
a.b(1).e = [1 2 3];
a.b(2).c = 'string';
a.b(2).e = [1 2 3];

openvar a
keyboard
%openvar a.b(2).e %Manually
%dbcont

a.b(2) = [];
%Now an error shows up on every line typed into the command prompt


This one gets it to happen in a debugging scenario (where I originally found
the problem):


%testConflict.m
function a = testConflict(a)
    a.b(1).e .*= 2;
    a.b(1).e .+= 1;
endfunction



clear a
a.b(1).c = 'string';
a.b(1).e = [1 2 3];
a.b(2).c = 'string';
a.b(2).e = [1 2 3];

openvar a
keyboard
%openvar a.b(2).e %Manually
%dbcont

dbstop testConflict

q = a;
q.b(2) = [];

testConflict(q)

%Manually: 
%dbstep  
%dbstep



I also found a way to reliably crash octave:

clear a
a.b.c = 'string';
a.b.e = [1 2 3];

openvar a
keyboard
%openvar a.b.e %Manually
%dbcont


a.b(1).c = 'string';
a.b(1).e = [1 2 3];
a.b(2).c = 'string';
a.b(2).e = [1 2 3];


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