[Bug tree-optimization/125804] [17 Regression] 403.gcc miscompares since r17-837-g8af2e8e49d6e5d

[pheeck at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125804

Filip Kastl <pheeck at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|needs-bisection             |
            Summary|[17 Regression] 403.gcc     |[17 Regression] 403.gcc
                   |miscompares                 |miscompares since
                   |                            |r17-837-g8af2e8e49d6e5d

--- Comment #6 from Filip Kastl <pheeck at gcc dot gnu.org> ---
Bisects to r17-837-g8af2e8e49d6e5d

commit 8af2e8e49d6e5d33c01c2beaead4933bc286974c
Author:     Tamar Christina <tamar.christina@arm.com>
AuthorDate: Wed May 27 10:53:07 2026 +0100
Commit:     Tamar Christina <tamar.christina@arm.com>
CommitDate: Wed May 27 10:54:13 2026 +0100

    vect: Don't generate scalar epilogue if not needed [PR120352]