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.

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