[Bug tree-optimization/128267] [15/16/17 Regression] wrong code at -O2 with -march=x86-64-v4: a signed char shift induction is 64 again instead of 0 after 256 iterations

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128267

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
      Known to work|14.4.0                      |12.5.0
   Last reconfirmed|                            |2026-10-28
             Status|UNCONFIRMED                 |NEW

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.  For my testcase, on aarch64 fails all the way back to GCC 13.1.0.