https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71816
--- Comment #17 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon Jul 11 13:32:51 2016 New Revision: 238208 URL: https://gcc.gnu.org/viewcvs?rev=238208&root=gcc&view=rev Log: 2016-07-11 Richard Biener <rguent...@suse.de> PR tree-optimization/71816 * tree-ssa-pre.c (compute_avail): Adjust alignment of ref rather than replacing all of its operands. * gcc.dg/torture/pr71816.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr71816.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-pre.c