[Bug tree-optimization/118852] [15 regression] Train run of 502.gcc_r compiled with -Ofast -fprofile-generate -march=x86_64-v3 fails

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118852

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2025-02-13

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
I can confirm that GCC 14.2.1 works, r15-7037 is broken and r15-5918 works.
--param vect-max-peeling-for-alignment=0 does not fix it, -fno-tree-vectorize
does.

Bisecting with -fdbg-cnt might be possible.