https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79396
--- Comment #6 from janus at gcc dot gnu.org --- (In reply to janus from comment #5) > I'm configuring with: > > --program-suffix=-7 --build=x86_64-linux-gnu --host=x86_64-linux-gnu > --target=x86_64-linux-gnu --with-arch=haswell --prefix=/usr > --libdir=/usr/lib --libexecdir=/usr/lib --enable-languages=c,c++,fortran > --disable-bootstrap --disable-multilib The error goes away when using --enable-checking=release.