emerge --info '=x11-libs/wxGTK-3.0.2.0-r1':

Portage 2.3.6-r9 (funtoo/1.0/linux-gnu/arch/x86-64bit, gcc-4.9.2, glibc-2.20-r1, 4.1.3-hardened-r2 x86_64)
=================================================================
System Settings
=================================================================
System uname: Linux-4.1.3-hardened-r2-x86_64-AMD_FX-tm-8350_Eight-Core_Processor-with-gentoo-2.2.0
KiB Mem: 16337692 total, 1734220 free
KiB Swap: 0 total, 0 free
Timestamp of tree: Unknown
ld GNU ld (Funtoo 2.25) 2.25.0
app-shells/bash: 4.3_p39
dev-java/java-config: 2.2.0-r1000
dev-lang/perl: 5.22.0
dev-lang/python: 2.7.10-r1000, 3.3.6-r1000, 3.4.4_pre20150621
dev-util/cmake: 3.2.3
sys-apps/baselayout: 2.2.0-r6
sys-apps/openrc: 0.12.4-r4
sys-apps/sandbox: 2.6-r2
sys-devel/autoconf: 2.13, 2.69-r1
sys-devel/automake: 1.11.6-r1, 1.13.4, 1.14.1, 1.15
sys-devel/binutils: 2.25-r1
sys-devel/gcc: 4.9.2-r1
sys-devel/gcc-config: 1.8
sys-devel/libtool: 2.4.3-r2
sys-devel/make: 4.1-r1
sys-kernel/linux-headers: 4.0 (virtual/os-headers)
sys-libs/glibc: 2.20-r1
Repositories: gentoo qutebrowser palemoon pcsx2 tox-overlay v-fox
Installed sets: @kernel, @steam
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA Oracle-BCLA-JavaSE"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=bdver2 -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt /var/lib/i2pd/certificates"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=bdver2 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch xattr"
FFLAGS="-march=bdver2 -O2 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
INSTALL_MASK="/usr/lib/systemd/ /lib/systemd/"
LANG="en_US.UTF-8"
LDFLAGS="Wl,-O1 -Wl,sort-common -Wl,-as-needed"
MAKEOPTS="-j9"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/var/lib/layman/qutebrowser /var/lib/layman/palemoon /var/lib/layman/pcsx2 /var/lib/layman/tox-overlay /var/lib/layman/v-fox"
SYNC="git://github.com/funtoo/ports-2012.git"
SYNC_USER="root"
USE="X a52 aac acl alsa amd64 apng berkdb bluray bzip2 cairo cdda cddb cdio cdr cracklib crypt cryptsetup cups cxx dbus dri dts dvd dvdr dvdread encode exif faac faad ffmpeg flac gdbm gif gpm gtk hardened ico iconv icu ieee1394 infinality introspection ios ipod ipv6 jpeg jpeg2k lame libass libguess libmpeg2 lm_sensors lvm2 mad matroska mjpeg mmx modules mp3 mpeg mtp mudflap multilib ncurses nls nptl nsplugin offensive ogg opencl opengl openmp opus pam pax_kernel pcre pdf pic png postproc pppd python qt5 quicktime readline resolvconf savedconfig sndfile sse sse2 ssl svg taglib tcpd theora tiff truetype twolame udev unicode urandom usb v4l vdpau vorbis vpx wav wavpack webp win32codecs wmf x264 x265 xattr xinerama xml xtpax xvid zlib" ABI_X86="32 64" ALSA_CARDS="hda-intel" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias authn_core authz_core socache_shmcb unixd" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx fma3 fma4 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 xop" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64 pc" INPUT_DEVICES="evdev synaptics keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_ABIS="2.7 3.4" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="i386 x86_64" RUBY_TARGETS="ruby19 ruby20 ruby21 ruby22" USERLAND="GNU" VIDEO_CARDS="radeon radeonsi" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, LC_ALL, LINGUAS, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, SYNC_UMASK

emerge -pqv '=x11-libs/wxGTK-3.0.2.0-r1'

[ebuild NS ] x11-libs/wxGTK-3.0.2.0-r1 [2.8.12.1-r1] USE="X opengl tiff (-aqua) -debug -doc -gstreamer -libnotify -sdl -webkit"

The moment where emerge fails:

x86_64-pc-linux-gnu-g++: internal compiler error: Segmentation fault (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugs.funtoo.org> for instructions.
Makefile:28679: recipe for target 'basedll_any.o' failed
make: *** [basedll_any.o] Error 4
make: *** Waiting for unfinished jobs....

• ERROR: x11-libs/wxGTK-3.0.2.0-r1 failed (compile phase):
• emake failed
  *
• If you need support, post the output of `emerge --info '=x11-libs/wxGTK-3.0.2.0-r1'`,
• the complete build log and the output of `emerge -pqv '=x11-libs/wxGTK-3.0.2.0-r1'`.
• The complete build log is located at '/var/tmp/portage/x11-libs/wxGTK-3.0.2.0-r1/temp/build.log'.
• The ebuild environment file is located at '/var/tmp/portage/x11-libs/wxGTK-3.0.2.0-r1/temp/environment'.
• Working directory: '/var/tmp/portage/x11-libs/wxGTK-3.0.2.0-r1/work/wxPython-src-3.0.2.0/wxgtk_build'
• S: '/var/tmp/portage/x11-libs/wxGTK-3.0.2.0-r1/work/wxPython-src-3.0.2.0'