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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/110278] [14 Regression] FAIL:
 gcc.dg/tree-ssa/pr103257-1.c scan-tree-dump-times optimized "link_error" 0
 from r14-1880-g827e208fa64771
Date: Fri, 16 Jun 2023 09:26:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110278

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu.org

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
So looks like we're missing simplification of

 uns < (typeof uns)(uns !=3D 0)

which we managed to prove is false.  When uns !=3D 0 then this is uns < 1
which is false so uns =3D=3D 0 but then uns < 0 is also false.=