[Bug tree-optimization/127984] [15/16/17 Regression] wrong code at -O2 and -O3 for a bit-reflected CRC loop of 24 iterations

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127984

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |15.4
            Summary|wrong code at -O2 and -O3   |[15/16/17 Regression] wrong
                   |for a bit-reflected CRC     |code at -O2 and -O3 for a
                   |loop of 24 iterations       |bit-reflected CRC loop of
                   |                            |24 iterations