https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89653
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 45932 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45932&action=edit untested DCE patch Patch cleaning up after PRE via TODO_update_address_taken from (each) DCE.