https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81542
--- Comment #3 from Gordon Mc <gmc at synopsys dot com> --- GCC build being used, was configured with --enable-bootstrap --enable-threads=posix --disable-checking --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-languages=c,c++,fortran --disable-libgcj --with-cpu=generic --build=x86_64-redhat-linux Thread model: posix
