[Bug tree-optimization/124571] `ABS<(float)(us1 - us2)> < 1.0f` can be optimized to us1 == us2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124571

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2026-03-19
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Also turning (float)a - (float)b into (float)(a - b), right?  Which should
likely be done in a int<->float promotion pass that places conversions in a LCM
way.