[Bug rtl-optimization/78200] [7 Regression] 429.mcf of cpu2006 regresses in GCC trunk for avx2 target.

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78200

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
   Target Milestone|7.0                         |8.0

--- Comment #21 from Richard Biener <rguenth at gcc dot gnu.org> ---
"regression" is due to a "optimization" we've done by luck and we're no longer
lucky.  So we've need to do that optimization reliably which is not yet clear
whether we can even do that without FDO.  -> GCC 8.