[Brlcad-tracker] [ brlcad-Bugs-1173554 ] circular reference causes draw to crash

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Bugs item #1173554, was opened at 2005-03-30 19:34
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
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Category: Geometry Editing
Group: crash or data loss
Status: Open
Resolution: None
Priority: 5
Submitted By: lieven (lieventheys)
Assigned to: Nobody/Anonymous (nobody)
Summary: circular reference causes draw to crash

Initial Comment:
Using red to edit the region description of several
elements, I created a circular reference in 2 regions.

Then I tried to draw one of these regions caused brlcad
to crash.

This is obviously a user error but a crash seemed a
drastic way to deal with this.  Can this be checked and
flagged when trying to draw the region?

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=640802&aid=1173554&group_id=105292