[Octave-bug-tracker] [bug #53925] segfault in debug mode when using TAB-complete from readline

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?53925>

                 Summary: segfault in debug mode when using TAB-complete from
readline
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Wed 16 May 2018 03:18:30 PM PDT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

The following code on the development branch of Octave, launched with
"run-octave -f", causes a segfault:


octave:1> dbstop residue 293
ans =  293
octave:2> test residue
stopped in /home/rik/wip/Projects_Mine/octave-dev/scripts/polynomial/residue.m
at line 293
293:   if (numel (e))
debug> varfatal: caught signal Segmentation fault -- stopping myself...
Segmentation fault


In the last line I typed "var<TAB>" to have readline complete the identifier
name.

If I start Octave with the "--no-line-editing" option there is no segfault,
but of course there is also no readline library active.





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