[Bug tree-optimization/119542] At -O1 and higher, GCC incorrectly optimizes isTmax function to always return 0

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119542

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2025-03-30
             Status|UNCONFIRMED                 |WAITING

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Can you try with -fsanitize=undefined and does that have a runtime failure?
Does -fwrapv makes a difference here then?

If so this is NOT a bug.