https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88534
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Yes. A regression in the sense that we didn't ICE before and now we do. In any case, we really should fix this for GCC9, having a new feature that one can safely use only with -g0 is not very nice.