https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78858
--- Comment #3 from Marc Mutz <marc.mutz at kdab dot com> --- $ g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/d/gcc/trunk/libexec/gcc/x86_64-pc-linux-gnu/7.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc/configure --prefix=/d/gcc/trunk --enable-checking=release --enable-languges=c,c++,fortran,lto,objc,obj-c++ --enable-languages=c,c++,fortran,lto,objc --no-create --no-recursion Thread model: posix gcc version 7.0.0 20161219 (experimental) (GCC)