[Bug tree-optimization/120583] [12/13/14/15/16 Regression] wrong code at -O{s,2} on x86_64-linux-gnu

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120583

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |12.5
            Summary|wrong code at -O{s,2} on    |[12/13/14/15/16 Regression]
                   |x86_64-linux-gnu            |wrong code at -O{s,2} on
                   |                            |x86_64-linux-gnu
      Known to work|                            |9.5.0
     Ever confirmed|0                           |1
            Version|unknown                     |16.0
      Known to fail|                            |16.0
   Last reconfirmed|                            |2025-06-08
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I'm quite sure this is another manifestation of the SCEV issue(s).  "fixed" by
-fwrapv.