https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81084
--- Comment #16 from Andrew Jenner <andrewjenner at gcc dot gnu.org> --- I have committed a patch to the .opt files: https://gcc.gnu.org/ml/gcc-patches/2018-02/msg00114.html I have also submitted a patch to the documentation: https://gcc.gnu.org/ml/gcc-patches/2018-02/msg00115.html