[Bug tree-optimization/94589] Optimize (i<=>0)>0 to i>0

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94589

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 50707
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50707&action=edit
prototype

For reference this is the prototype patch I mentioned.  I wasn't entirely happy
and wanted to explore the ??? in the commit message.