http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55279
--- Comment #6 from Steven Bosscher <steven at gcc dot gnu.org> 2012-12-09 16:09:04 UTC --- (In reply to comment #5) There shouldn't be any such tables. Before the DF merge, there was no_new_pseudos, but it had its problems. Why can't cse_reg_info_table() be modified to intercept this?