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[bug #49424] [NSMiniWindowView setImage] crashes with nil as image param

From: Benjamin Riefenstahl
Subject: [bug #49424] [NSMiniWindowView setImage] crashes with nil as image parameter
Date: Mon, 24 Oct 2016 20:18:31 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Fedora; Linux i686; rv:49.0) Gecko/20100101 Firefox/49.0

Follow-up Comment #2, bug #49424 (project gnustep):

I just applied your fix to 0.24, the current on the Debian jessie where I am
testing.  This fixes the problem, thank you.

I also tried building a current GNUstep and build/link against that, but on
start I get a message box, saying  "NSInternalInconsistencyException: NSApp's
run called recursively".  Is that a known symptom?  Where to I set breakpoint
to catch this in a gdb?

> On most architectures this gets handled correctly by the
> Objective-C runtime but it may cause a segmentation fault
> on Sparc and other special hardware

This is on i686, so not really exotic ;-).  When I replicate the code in
question in a simple test program, I can not reproduce the problem.  I'm
attaching some gdb output from the original crash, in case that helps.

> runtime-test

We link against a specific version of the libs anyway, so we can just use
compile-time checks bad on GNUSTEP_GUI_MAJOR_VERSION and
GNUSTEP_GUI_MINOR_VERSION.  I see that this is already done in another place.

(file #38803)

Additional Item Attachment:

File name: test-emacs-iconify.gdb         Size:1 KB


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