[Bug tree-optimization/105558] [10 Regression] simple 8-bit integer calculation fails with -O3 / march=core-avx2 on some gfortran 8/9/10 versions

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105558

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|simple 8-bit integer        |[10 Regression] simple
                   |calculation fails with -O3  |8-bit integer calculation
                   |/ march=core-avx2 on some   |fails with -O3 /
                   |gfortran 8/9/10 versions    |march=core-avx2 on some
                   |                            |gfortran 8/9/10 versions
      Known to work|                            |7.3.0
      Known to fail|                            |8.1.0
   Target Milestone|---                         |10.5
           Keywords|                            |needs-bisection

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Would be interesting to find what patch broke this and what patch fixed the
-mtune=generic case.