[bug #42717] Crash in -[NSBox(Private) calcSizesAllowingNegative:]

[Yavor Doganov]

Follow-up Comment #2, bug #42717 (project gnustep):

Yep, I noticed that dubious aFlag too.  It looks like it is exactly the same
problem that was reported in 2013.

If I put a break on -[NSBox setBorderType:], aType is garbage (10-digit
number) instead of the expected value of 3.  Going further back to
-[GSXibKeyedUnarchiver decodeObjectForXib:forClassName:withID:], "o" is
optimized on i386, while it is not on amd64.  So I tried with gnustep-gui
rebuilt with no optimization (-O0) and the problem doesn't happen -- Cenon
starts and works.  Hope that this gives you some clue.  

It seems that -allocObjectForClassName: doesn't return a valid object and then
it gets messy in -initWithCoder:.  But I may be wrong here.
I'd appreciate any directions how to proceed further.

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