https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79804
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Just for completeness: $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/home/marxin/bin/gcc3/lib/gcc/x86_64-pc-linux-gnu/7.0.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../configure --enable-languages=c,c++,fortran --prefix=/home/marxin/bin/gcc3 --disable-bootstrap Thread model: posix gcc version 7.0.1 20170302 (experimental) (GCC)