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From: Paul Eggert <eggert@cs.ucla.edu>
Newsgroups: gmane.emacs.devel
Subject: Re: [PATCH] Fix compilation erorr when --enable-gcc-warnings passed
Date: Sat, 23 Jan 2016 16:49:03 -0800
Organization: UCLA Computer Science Department
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To: Alexander Kuleshov <kuleshovmail@gmail.com>
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Alexander Kuleshov wrote:
> I can't reproduce your crash. The png image displaying
> perfectly.

I suspect the bug is now masked because lookup_rgb_color now throws a signal 
under Cairo. I followed up at:

http://bugs.gnu.org/22442#20