[Octave-bug-tracker] [bug #49171] Warnings after save from GUI editor are related to the previous version

[John Swensen]

Follow-up Comment #4, bug #49171 (project octave):

I have hunted down what is causing this, but don't enough about the
interaction between the gui and the core of Octave to know the right way to
fix it.

The error is occurring in class method 

file_editor_tab::exit_debug_and_clear

at the line

sym = symbol_table::find (base_name);


It appears that trying to find the symbol associated with the file causes the
file to be re-parsed. Since the parsing fails, then the file save fails.

This is called from

file_editor_tab::save_file

at the lines

      // Force reparse of this function next time it is used (bug #46632)
      if (!exit_debug_and_clear (file_to_save, file_info.baseName ()))
        return;


It appears this was introduced by
http://hg.savannah.gnu.org/hgweb/octave/rev/acdd8983d308 in response to Bug
#46632 (see
https://savannah.gnu.org/bugs/?func=detailitem&item_id=46632#options)

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