[Octave-bug-tracker] [bug #57245] "clear all" generates segfault if run before or after a plot

[John W. Eaton]

Follow-up Comment #21, bug #57245 (project octave):

>From looking at the stack trace in comment #11, it seems like the
graphics_toolkit::rep pointer is invalid.  Does the following changeset help?

  http://hg.savannah.gnu.org/hgweb/octave/rev/da163456abb3

If this change doesn't solve the problem, maybe it will point more clearly at
where the invalid pointer is coming from?  In any case, it's a change that
should probably be made since using std::shared_ptr is a better solution than
using our own reference counting.


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