https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69345
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Wed Jan 20 08:36:32 2016 New Revision: 232603 URL: https://gcc.gnu.org/viewcvs?rev=232603&root=gcc&view=rev Log: 2016-01-20 Richard Biener <rguent...@suse.de> PR tree-optimization/69345 * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function. (VN_INFO_PTR_INFO): Likewise. * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to info when it is equal between non-dominating SSA names. * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): Make sure to look at original SSA infos. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-pre.c trunk/gcc/tree-ssa-sccvn.c trunk/gcc/tree-ssa-sccvn.h