[Bug tree-optimization/123300] [14/15/16 Regression] Adding [[assume((1< 0)]] generates an infinite loop

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123300

Alexander Monakov <amonakov at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
                 CC|                            |amonakov at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |wrong-code
   Last reconfirmed|                            |2025-12-25
            Summary|Adding [[assume((1<<i) >    |[14/15/16 Regression]
                   |0)]] generates an infinite  |Adding [[assume((1<<i) >
                   |loop                        |0)]] generates an infinite
                   |                            |loop
          Component|c++                         |tree-optimization

--- Comment #1 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Trunk is also affected. GIMPLE loop_done pass somehow eliminates loop exit
edge. Thank you for reporting!