https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81181
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon Oct 23 11:14:40 2017 New Revision: 254005 URL: https://gcc.gnu.org/viewcvs?rev=254005&root=gcc&view=rev Log: 2017-10-23 Richard Biener <rguent...@suse.de> PR tree-optimization/82129 Revert 2017-08-01 Richard Biener <rguent...@suse.de> PR tree-optimization/81181 * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ... (compute_antic): ... end of iteration here. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-pre.c