> FWIW I just tried to compile Geany master with Clang as well as with [what 
> seem to be Fedora's hardening 
> flags](https://fedoraproject.org/wiki/Changes/Harden_All_Packages), yet I 
> still can't reproduce.

FTR the cflags in Fedora are:

    -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches 
-pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 
-Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 
-fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 
-mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection 
-fcf-protection

And ldflags:

    -Wl,-z,relro -Wl,--as-needed  -Wl,-z,now 
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld

And we don't use cgal but gcc.

> @hroncok what happens if there is no snowman in sight, but you have a space 
> character followed by the code point FE0F (which you can enter as 
> `<ctrl><shift>u` all at once and you get a funny `u` then `fe0f` and 
> `<enter>`).

A crash.

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