https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102448
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:c0cc62b32d95caca25a8854e0d2b6f11f5674d30 commit r12-3839-gc0cc62b32d95caca25a8854e0d2b6f11f5674d30 Author: Richard Biener <rguent...@suse.de> Date: Thu Sep 23 10:27:01 2021 +0200 tree-optimization/102448 - clear copied alignment info from vect This fixes the previous change which removed setting alignment info from the vectorizers idea of how a pointer is being used but left in place the copied info from DR_PTR_INFO without realizing that this is in fact _not_ the alignment of the access but the alignment of a base pointer contained in it. The following makes sure to not use that info. 2021-09-23 Richard Biener <rguent...@suse.de> PR tree-optimization/102448 * tree-vect-data-refs.c (vect_duplicate_ssa_name_ptr_info): Clear alignment info copied from DR_PTR_INFO.