Bug#929567: libgtk-3-0:amd64: Emacs constantly crashes on startup with "X protocol error: BadLength..."

[Vincent Lefevre]

Testcase:

$ printf '\u26D4\n' > test
$ emacs -Q test

It is U+26D4 NO ENTRY that triggers the crash.

-- 
Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)