https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90041
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Unlike the specs, the *.opt stuff is always only compiled into the compiler and already processed using gcc-internal-format, so I've submitted https://gcc.gnu.org/ml/gcc-patches/2019-04/msg00437.html to deal properly with those.
