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[Octave-bug-tracker] [bug #51645] zoom to singular region dumps core


From: Dan Sebald
Subject: [Octave-bug-tracker] [bug #51645] zoom to singular region dumps core
Date: Wed, 2 Aug 2017 23:01:04 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0

Follow-up Comment #1, bug #51645 (project octave):

Confirmed here on linux mint.  Both vertical and horizontal line regions fail
with the same error message.

The error message originates in graphics.cc inside array_property::validate()
and is called via the array_property::do_set() function in graphics.in.h. 
This doesn't need to be a critical error(...), so I wonder if array_property
could return a boolean of xok = false.  But it appears that do_set() also
issues an error(...) if the boolean returned from validate is false.

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