https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115634
--- Comment #4 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> --- I gave if (op && (!REG_P (op) || (reload_completed && HARD_REGISTER_P (op) && REGNO_REG_CLASS (REGNO (op)) != ADDR_REGS))) return false; a quick try and bootstrap was successful. I will do a further bootstrap with all languages enabled and run regtest, too.