https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122992
--- Comment #23 from Drea Pinski <pinskia at gcc dot gnu.org> --- (In reply to Drea Pinski from comment #22) > Note I am debugging the aarch64 bootstrap failure linked to this fix. > I hope to get some information on what was missed soon. I think rtl-ssa/insns.cc change has a lifetime problem. if FIRST_PSEUDO_REGISTER > HOST_BITS_PER_WIDEST_FAST_INT then EXECUTE_IF_SET_IN_HARD_REG_SET can't take a temporary as the lifetime of that temporary will end in some cases. `abi.full_reg_clobbers ()` returns a temporary. Let me see if that fixes the problem with aarch64 bootstrap. It might also fixes the x86_64 issue too.
