https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63244
--- Comment #1 from David Kredba <nheghathivhistha at gmail dot com> --- gcc -v Using built-in specs. COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.9.2-alpha20140911/gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.9.2-alpha20140911/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-4.9.2_alpha20140911/work/gcc-4.9-20140911/configure --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.9.2-alpha20140911 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2-alpha20140911/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.2-alpha20140911 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.2-alpha20140911/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.2-alpha20140911/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2-alpha20140911/include/g++-v4 --with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.9.2-alpha20140911/python --enable-languages=c,c++,go,objc,obj-c++,fortran,ada --enable-obsolete --disable-werror --with-system-zlib --enable-nls --without-included-gettext --enable-checking=release --with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.9.2_alpha20140911' --enable-libstdcxx-time --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-multilib --disable-altivec --disable-fixed-point --enable-targets=all --enable-libgomp --enable-lto --with-cloog --disable-isl-version-check Thread model: posix gcc version 4.9.2-alpha20140911 20140912 (prerelease) [gcc-4_9-branch revision 215199] (Gentoo 4.9.2_alpha20140911)