Hello fellows!. I have same segmentation fault error, after svn update and replacing -O2 with -O0.
tarting Code::Blocks Release 16.01 rev 10692 Jul 9 2016, 12:21:58 - wx2.8.12 (Linux, unicode) - 64 bit
Initialize EditColourSet .....
Initialize EditColourSet: done.
Segmentation fault (core dumped)
[alexb@turmeric codeblocks_svn]$
(gdb) run
Starting program: /usr/local/bin/codeblocks
Missing separate debuginfos, use: dnf debuginfo-install glibc-2.23.1-8.fc24.x86_64
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Starting Code::Blocks Release 16.01 rev 10692 Jul 9 2016, 12:21:58 - wx2.8.12 (Linux, unicode) - 64 bit
Detaching after fork from child process 28724.
Detaching after fork from child process 28725.
Detaching after fork from child process 28726.
Detaching after fork from child process 28727.
Detaching after fork from child process 28728.
[New Thread 0x7fffe0792700 (LWP 28730)]
[New Thread 0x7fffd7f91700 (LWP 28731)]
[New Thread 0x7fffdfd84700 (LWP 28732)]
[New Thread 0x7fffdf583700 (LWP 28733)]
Initialize EditColourSet .....
[New Thread 0x7fffdeb9c700 (LWP 28735)]
[New Thread 0x7fffde39b700 (LWP 28736)]
[New Thread 0x7fffddb9a700 (LWP 28737)]
[Thread 0x7fffdfd84700 (LWP 28732) exited]
Initialize EditColourSet: done.
Thread 1 "codeblocks" received signal SIGSEGV, Segmentation fault.
0x00007ffff58305d3 in wxStringBase::operator=(wxStringBase const&) ()
from /lib64/libwx_baseu-2.8.so.0
Missing separate debuginfos, use: dnf debuginfo-install GConf2-3.2.6-16.fc24.x86_64 PackageKit-gtk3-module-1.1.1-3.fc24.x86_64 SDL-1.2.15-21.fc24.x86_64 adwaita-gtk2-theme-3.20.2-1.fc24.x86_64 atk-2.20.0-1.fc24.x86_64 bzip2-libs-1.0.6-20.fc24.x86_64 cairo-1.14.6-1.fc24.x86_64 dbus-glib-0.106-1.fc24.x86_64 dbus-libs-1.11.2-1.fc24.x86_64 dconf-0.26.0-1.fc24.x86_64 expat-2.1.1-2.fc24.x86_64 fontconfig-2.11.94-6.fc24.x86_64 freetype-2.6.3-2.fc24.x86_64 gdk-pixbuf2-2.34.0-1.fc24.x86_64 glib-networking-2.48.2-1.fc24.x86_64 glib2-2.48.1-1.fc24.x86_64 gmp-6.1.0-2.fc24.x86_64 gnutls-3.4.13-1.fc24.x86_64 graphite2-1.3.6-1.fc24.x86_64 gtk2-2.24.30-1.fc24.x86_64 gvfs-client-1.28.2-1.fc24.x86_64 harfbuzz-1.2.7-1.fc24.x86_64 ibus-gtk2-1.5.13-3.fc24.x86_64 ibus-libs-1.5.13-3.fc24.x86_64 jbigkit-libs-2.1-5.fc24.x86_64 libICE-1.0.9-5.fc24.x86_64 libSM-1.2.2-4.fc24.x86_64 libX11-1.6.3-3.fc24.x86_64 libXau-1.0.8-6.fc24.x86_64 libXcomposite-0.4.4-8.fc24.x86_64 libXcursor-1.1.14-6.fc24.x86_64 libXdamage-1.1.4-8.fc24.x86_64 libXext-1.3.3-4.fc24.x86_64 libXfixes-5.0.2-2.fc24.x86_64 libXi-1.7.6-2.fc24.x86_64 libXinerama-1.1.3-6.fc24.x86_64 libXrandr-1.5.0-3.fc24.x86_64 libXrender-0.9.9-3.fc24.x86_64 libXxf86vm-1.1.4-3.fc24.x86_64 libattr-2.4.47-16.fc24.x86_64 libcanberra-0.30-11.fc24.x86_64 libcanberra-gtk2-0.30-11.fc24.x86_64 libcap-2.24-9.fc24.x86_64 libdatrie-0.2.9-3.fc24.x86_64 libdrm-2.4.68-1.fc24.x86_64 libffi-3.1-9.fc24.x86_64 libgcc-6.1.1-3.fc24.x86_64 libgcrypt-1.6.4-2.fc24.x86_64 libgpg-error-1.21-2.fc24.x86_64 libidn-1.32-2.fc24.x86_64 libjpeg-turbo-1.5.0-1.fc24.x86_64 libmodman-2.0.1-12.fc24.x86_64 libogg-1.3.2-5.fc24.x86_64 libpng-1.6.23-1.fc24.x86_64 libproxy-0.4.12-3.fc24.x86_64 libselinux-2.5-3.fc24.x86_64 libstdc++-6.1.1-3.fc24.x86_64 libtasn1-4.8-1.fc24.x86_64 libtdb-1.3.9-1.fc24.x86_64 libthai-0.1.24-1.fc24.x86_64 libtiff-4.0.6-2.fc24.x86_64 libtool-ltdl-2.4.6-11.fc24.x86_64 libuuid-2.28-3.fc24.x86_64 libvorbis-1.3.4-6.fc24.x86_64 libwayland-client-1.10.0-1.fc24.x86_64 libwayland-server-1.10.0-1.fc24.x86_64 libxcb-1.11.1-2.fc24.x86_64 libxshmfence-1.2-3.fc24.x86_64 lz4-r131-2.fc24.x86_64 mesa-libEGL-11.2.2-2.20160614.fc24.x86_64 mesa-libGL-11.2.2-2.20160614.fc24.x86_64 mesa-libgbm-11.2.2-2.20160614.fc24.x86_64 mesa-libglapi-11.2.2-2.20160614.fc24.x86_64 nettle-3.2-2.fc24.x86_64 nss-softokn-freebl-3.25.0-1.0.fc24.x86_64 p11-kit-0.23.2-2.fc24.x86_64 pango-1.40.1-1.fc24.x86_64 pcre-8.39-2.fc24.x86_64 pixman-0.34.0-2.fc24.x86_64 systemd-libs-229-8.fc24.x86_64 wxBase-2.8.12-23.fc24.x86_64 wxGTK-2.8.12-23.fc24.x86_64 xz-libs-5.2.2-2.fc24.x86_64 zlib-1.2.8-10.fc24.x86_64
(gdb)