[Bug tree-optimization/105198] [9/10/11/12 Regression] Wrong code for C loop (GCC 12 -O2, GCC 11 -O3)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105198

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[11/12 Regression] Wrong    |[9/10/11/12 Regression]
                   |code for C loop (GCC 12     |Wrong code for C loop (GCC
                   |-O2, GCC 11 -O3)            |12 -O2, GCC 11 -O3)
           Priority|P3                          |P2
   Target Milestone|11.3                        |9.5

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
The identified problem is latent since forever.  I'm currently testing a patch.