[Bug tree-optimization/53805] vrp/dce removes trapping comparison

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805

Drea Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |NEW
   Last reconfirmed|                            |2026-07-17
         Resolution|INVALID                     |---
     Ever confirmed|0                           |1
           Keywords|                            |wrong-code
            Summary|combine_comparisons changes |vrp/dce removes trapping
                   |trapping behavior           |comparison

--- Comment #12 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Reopening.
VRP/DCE/DOM is removing the trapping statement here.

This is unlike PR 126247 where ifcombine is at fault (I have a fix for that
one).