[Bug tree-optimization/117935] [[likely]] attribute is lost by phiopt1 in some cases

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117935

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 59817
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59817&action=edit
Something like this

I have not tested this nor compiled it so there might be some typos in it.
But I wanted to get the patch attached so I can come back to it later today
(once I finish up the other 2 things I am working on).